Fix ChangeLog record for 171649:
[official-gcc.git] / gcc / ChangeLog-2008
blob7c4d66d97bf165950230a85c91744b64b2457d02
1 2008-12-31  Uros Bizjak  <ubizjak@gmail.com>
3         * sched-deps.c (sched_analyze_2) [UNSPEC_VOLATILE]: Flush pending
4         memory loads and stores.
6 2008-12-31  Jakub Jelinek  <jakub@redhat.com>
8         PR middle-end/38505
9         * tree-ssa-ccp.c (may_propagate_address_into_dereference): Return
10         false if ADDR's operand has incomplete type.
12         Revert:
13         2008-12-15  Jakub Jelinek  <jakub@redhat.com>
14         PR middle-end/38505
15         * tree-ssa.c (useless_type_conversion_p_1): Return
16         false if inner_type is incomplete and outer_type is complete.
18 2008-12-31  Jakub Jelinek  <jakub@redhat.com>
20         PR middle-end/38676
21         * gimplify.c (gimple_regimplify_operands): For GIMPLE_SWITCH
22         only regimplify switch index.
24 2008-12-30  Richard Guenther  <rguenther@suse.de>
26         PR tree-optimization/38645
27         * tree-ssa-ccp.c (fold_gimple_assign): Use the correct pointer
28         type.
29         * tree-ssa-dom.c (cprop_operand): Simplify.  Do not propagate
30         volatileness changing operands.
32 2008-12-30  Steven Bosscher  <steven@gcc.gnu.org>
34         * tree-cfg.c (verify_eh_throw_stmt_node): Return nonzero,
35         to visit all EH statement and fix EH checking.
37 2008-12-31  Seongbae Park  <seongbae.park@gmail.com>
39         Revert:
40         2008-12-29  Seongbae Park  <seongbae.park@gmail.com>
41         * tree-profile.c (tree_init_ic_make_global_vars): Make static
42         variables TLS.
44 2008-12-30  Andrew Pinski  <pinskia@gmail.com>
46         PR middle-end/38661
47         * tree-switch-conversion.c (build_constructors): Test for wrapping of
48         pos case.
50 2008-12-30  Steven Bosscher  <steven@gcc.gnu.org>
52         PR middle-end/38584
53         * ipa-inline.c (compute_inline_parameters): When not optimizing,
54         don't compute the inline parameters, just set them to 0 instead.
56 2008-12-30  Paolo Bonzini  <bonzini@gnu.org>
58         PR tree-optimization/38572
59         * tree-vrp.c (vrp_visit_phi_node): Look out for invalid ranges
60         and change them to VARYING.
62 2008-12-30  Richard Guenther  <rguenther@suse.de>
64         PR middle-end/38564
65         * fold-const.c (fold_comparison): Use the correct result type.
67 2008-12-30  Dorit Nuzman  <dorit@il.ibm.com>
68             Ira Rosen  <irar@il.ibm.com>
70         PR tree-optimization/38529
71         * tree-vect-transform (vect_transform_stmt): Handle inner-loop stmts
72         whose DEF is used in the loop-nest that is being vectorized, but
73         outside the immediately enclosing loop.
75 2008-12-29  Seongbae Park  <seongbae.park@gmail.com>
77         * tree-profile.c (tree_init_ic_make_global_vars): Make static
78         variables TLS.
80 2008-12-29  Jakub Jelinek  <jakub@redhat.com>
82         PR c++/36191
83         * tree-complex.c (expand_complex_libcall): Call
84         maybe_clean_or_replace_eh_stmt and gimple_purge_dead_eh_edges
85         instead of passing true as 3rd argument to gsi_replace.
87 2008-12-28  Uros Bizjak  <ubizjak@gmail.com>
89         PR middle-end/38652
90         * dse.c: Include target.h.
91         * Makefile.in (dse.o): Depend on $(TARGET_H).
93 2008-12-29  Jakub Jelinek  <jakub@redhat.com>
95         PR driver/38381
96         * gcc.c (process_command): Accept also -b with configuration name
97         in the next argument.
98         * doc/invoke.texi (-b): Document that no hyphen is required if
99         configuration name is in the next argument after -b.
101 2008-12-27  Jakub Jelinek  <jakub@redhat.com>
103         PR middle-end/38641
104         * gimple-pretty-print.c (dump_binary_rhs): Print
105         VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR,
106         VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR, VEC_PACK_FIX_TRUNC_EXPR,
107         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR
108         VEC_INTERLEAVE_HIGH_EXPR and VEC_INTERLEAVE_LOW_EXPR similarly
109         to COMPLEX_EXPR, MIN_EXPR and MAX_EXPR.
111         PR middle-end/38633
112         * tree-cfg.c (replace_block_vars_by_duplicates): Only call
113         replace_by_duplicate_decl for VAR_DECLs or CONST_DECLs.
115 2008-12-24  Kazu Hirata  <kazu@codesourcery.com>
117         * Makefile.in (GTFILES): Add $(srcdir)/expr.h.
118         * expr.h: Fix the declaration of block_clear_fn.
120 2008-12-23  Andrew Pinski  <pinski@gmail.com>
122         PR middle-end/38590
123         * fold-const.c (fold_binary): Call fold_convert on arguments to
124         fold_build2 for negative divide optimization.
126 2008-12-23  Jakub Jelinek  <jakub@redhat.com>
128         PR middle-end/31150
129         * dse.c (struct store_info): Add const_rhs field.
130         (clear_rhs_from_active_local_stores): Clear also const_rhs.
131         (record_store): Try also cselib_expand_value_rtx to get a constant.
132         (find_shift_sequence, get_stored_val): Use const_rhs instead of
133         rhs if worthwhile.
134         * cselib.c (cselib_record_sets): If !cselib_record_memory and
135         there is just one set from read-only MEM, look at REG_EQUAL or
136         REG_EQUIV note.
138         * dse.c (struct store_info): Add redundant_reason field.
139         (record_store): When storing the same constant as has been stored by
140         an earlier store, set redundant_reason field to the earlier store's
141         insn_info_t.  Don't delete cannot_delete insns.
142         (find_shift_sequence): Remove read_info argument, add read_mode
143         and require_cst arguments.  Return early if require_cst and
144         constant wouldn't be returned.
145         (get_stored_val): New function.
146         (replace_read): Use it.
147         (scan_insn): Put even cannot_delete insns with exactly 1 store
148         into active_local_stores.
149         (dse_step1): Don't delete cannot_delete insns.  Remove redundant
150         constant stores if contains_cselib_groups and earlier store storing
151         the same value hasn't been eliminated.
152         (dse_step6): Renamed to dse_step7.  New function.
153         (dse_step7): Renamed from dse_step6.
154         (rest_of_handle_dse): Call dse_step6 and dse_step7 at the end.
155         * cselib.c (cselib_expand_value_rtx): Don't wrap CONST_INTs
156         into CONST unless really necessary.  Handle SUBREG, unary,
157         ternary, bitfield and compares specially, to be able to simplify
158         operations on constants.
159         (expand_loc): Try to optimize LO_SUM.
161         * dse.c (get_call_args): New function.
162         (scan_insn): Don't handle BUILT_IN_BZERO.  For memset, attempt
163         to get call arguments and if successful and both len and val are
164         constants, handle the call as (mem:BLK) (const_int) store.
166         * dse.c (struct store_info): Add is_large bool field, change
167         positions_needed into a union of a bitmask and bitmap + count.
168         (free_store_info): Free bitmap if is_large.
169         (set_usage_bits): Don't look at stores where
170         offset + width >= MAX_OFFSET.
171         (set_position_unneeded, set_all_positions_unneeded,
172         any_positions_needed_p, all_positions_needed_p): New static inline
173         functions.
174         (record_store): Handle BLKmode stores of CONST_INT, if
175         MEM_SIZE is set on the MEM.  Use the new positions_needed
176         accessor inlines.
177         (replace_read): Handle reads from BLKmode CONST_INT stores.
178         (check_mem_read_rtx): Use all_positions_needed_p function.
179         (dse_step1): Free large positions_needed bitmaps and clear is_large.
181         * dse.c (struct store_info): Change begin and end types to
182         HOST_WIDE_INT.
184         * dse.c (record_store): Fix check for unused store.
186         * expr.c (block_clear_fn): No longer static.
187         * expr.h (block_clear_fn): Declare.
188         * dse.c (scan_insn): Memset and bzero can just read their arguments.
190         * config/i386/i386.c (expand_setmem_via_rep_stos): Add ORIG_VALUE
191         argument.  If ORIG_VALUE is const0_rtx and COUNT is constant,
192         set MEM_SIZE on DESTMEM.
193         (ix86_expand_setmem): Adjust callers.
195         PR target/38488
196         * expr.h (get_mem_align_offset): New prototype.
197         * emit-rtl.c (get_mem_align_offset): New function.
198         * config/i386/i386.c (expand_movmem_via_rep_mov): Set MEM_SIZE
199         correctly.
200         (expand_constant_movmem_prologue, expand_constant_setmem_prologue):
201         New functions.
202         (ix86_expand_movmem): Optimize if COUNT_EXP
203         is constant, desired_align > align and dst & (desired_align - 1)
204         is computable at compile time.
205         (ix86_expand_setmem): Likewise.
207         * builtins.c (get_memory_rtx): Try to derive MEM_ATTRS from not yet
208         resolved SAVE_EXPR or POINTER_PLUS_EXPR.
210 2008-12-22  Uros Bizjak  <ubizjak@gmail.com>
212         * config/alpha/elf.h (ASM_OUTPUT_EXTERNAL): New macro.
214         PR target/34571
215         * config/alpha/predicates.md (symbolic_operand): Return 1 for a
216         label_ref with an offset.
218 2008-12-21  Andrew Pinski  <pinskia@gmail.com>
220         PR target/38300
221         * configure: Regenerate.
223 2008-12-21  Richard Sandiford  <rdsandiford@googlemail.com>
225         * config/mips/mips-dsp.md (mips_lbux): Turn into a define_expand,
226         changing operand 1 to a pmode_register_operand.
227         (mips_lhx, mips_lwx): Likewise.
228         (mips_lbux_<mode>, mips_lhx_<mode>, mips_lwx_<mode>): New patterns.
229         * config/mips/mips.c (mips_prepare_builtin_arg): Get the mode of
230         the value from the argument expression.
232 2008-12-21  Jan Hubicka  <jh@suse.cz>
233             Kai Tietz  <kai.tietz@onevision.com>
235         * i386.md (UNSPEC_MS_TO_SYSV_CALL): New constant.
236         (call_1_rex64_ms_sysv, call_value_0_rex64_ms_sysv,
237         call_value_1_rex64_ms_sysv): New patterns.
238         * i386.c (function_arg_ms_64): Pass magical value of -2 as callarg.
239         (ix86_expand_call): Emit extra clobbers for ms->sysv ABI calls.
241 2008-12-21  Uros Bizjak  <ubizjak@gmail.com>
243         * config/alpha/alpha.c (alpha_pad_noreturn): New static function.
244         (alpha_reorg): Call alpha_pad_noreturn.
246 2008-12-21  Denis Chertykov  <denisc@overta.ru>
248         * config/avr/avr.md ("andsi3"): Fix wrong cc attribute.
250 2008-12-20  Eric Botcazou  <ebotcazou@adacore.com>
252         PR target/37610
253         * configure.ac (gcc_cv_as_cfi_advance_working): Fall back to 'no'
254         if readelf is nowhere to be found.
255         * configure: Regenerate.
257 2008-12-19  Andrew Haley  <aph@redhat.com>
259         * builtins.c, tree-ssa-loop-ivopts.c, fixed-value.c:
260         Fix comments.
262 2008-12-19  Richard Earnshaw  <rearnsha@arm.com>
264         PR target/38548
265         * arm/t-linux (LIB1ASMFUNCS): Add _arm_addsubdf3 and _arm_addsubsf3.
266         * arm/lib1funcs.asm (clzsi2): Use RET macro for return instruction.
268 2008-12-19  Richard Earnshaw  <rearnsha@arm.com>
270         PR bootstrap/38578
271         * arm.c (load_multiple_sequence): Initialize ORDER array.
272         (store_multiple_sequence): Likewise.
273         (output_move_double): Make reg0 unsigned.
274         (arm_output_epilogue): Make amount unsigned.
275         (arm_expand_prologue): Move declaration of dwarf before block
276         statements.
278 2008-12-19  Steve Ellcey  <sje@cup.hp.com>
280         * df-scan.c (df_hard_reg_init): Move declaration of i.
282 2008-12-19  Jakub Jelinek  <jakub@redhat.com>
284         PR bootstrap/37739
285         * config.host: For powerpc*-*-linux* host with 32-bit GCC,
286         use rs6000/x-linux-relax snippet if ld is new enough,
287         otherwise use rs6000/x-linux-O1.
288         * config/rs6000/x-linux-relax: New file.
289         * config/x-cflags-O1: New file.
291 2008-12-18  Joseph Myers  <joseph@codesourcery.com>
293         * config/rs6000/rs6000.c (rs6000_generate_compare): Condition
294         choice of e500 comparison instructions on flag_finite_math_only &&
295         !flag_trapping_math, not flag_unsafe_math_optimizations.
296         * config/rs6000/rs6000.md (abstf2): Condition choice of e500
297         instructions on flag_finite_math_only && !flag_trapping_math, not
298         flag_unsafe_math_optimizations.
299         (bltgt, sltgt): Disable for TARGET_HARD_FLOAT && !TARGET_FPRS.
300         * config/rs6000/spe.md (cmpsfeq_gpr, tstsfeq_gpr, cmpsfgt_gpr,
301         tstsfgt_gpr, cmpsflt_gpr, tstsflt_gpr, cmpdfeq_gpr, tstdfeq_gpr,
302         cmpdfgt_gpr, tstdfgt_gpr, cmpdflt_gpr, tstdflt_gpr, cmptfeq_gpr,
303         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
304         Condition choice of comparison instructions on
305         flag_finite_math_only && !flag_trapping_math, not
306         flag_unsafe_math_optimizations.
308 2008-12-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
310         * configure: Regenerate.
312 2008-12-18  Jan Hubicka  <jh@suse.cz>
313             Kai Tietz  <kai.tietz@onevision.com>
315         * df-scan.c (persistent_obstack, df_invalidated_by_call): Remove.
316         (df_scan_start_dump, df_get_call_refs, df_hard_reg_init): Rename
317         df_invalidated_by_call to invalidated_by_call_regset.
318         * df.h (df_invalidated_by_call): Remove.
319         * regclass.c (regs_invalidated_by_call_regset, persistent_obstack):
320         New variables.
321         (init_reg_sets_1): Initialize regs_invalidated_by_call_regset.
322         (globalize_reg): Likewise.
323         * df-problems.c (df_rd_local_compute, df_lr_confluence_n,
324         df_byte_lr_alloc): Rename df_invalidated_by_call to
325         invalidated_by_call_regset.
326         * basic-block.h (regs_invalidated_by_call_regset): Declare.
328 2008-12-18  Jan Hubicka  <jh@suse.cz>
329             Kai Tietz  <kai.tietz@onevision.com>
331         * ira-cost.c (copy_cost): Lazilly initialize move_cost if needed.
333 2008-12-18  Jan Hubicka  <jh@suse.cz>
334             Kai Tietz  <kai.tietz@onevision.com>
336         * i386.h (CONDITIONAL_REGISTER_USAGE): Initialize for current
337         function ABI.
338         * i386.c (ix86_call_abi_override): Do not trigger target re-init and
339         do not try to modify call used regs.
340         (ix86_maybe_switch_abi): New function.
341         (TARGET_EXPAND_TO_RTL_HOOK): New macro.
343 2008-12-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
345         PR rtl-optimization/37922
346         * dse.c (bb_info): Added regs_live field.
347         (look_for_hardregs): New function.
348         (replace_read): Added regs_live parameter and code to check that
349         shift sequence does not clobber live hardregs.
350         (check_mem_read_rtx): Added parameter to replace_read.
351         (dse_step1): Added regs_live bitmap and initialize it.
352         (rest_of_handle_dse): Added DF_NOTES problem and earlier call to
353         df_analyze.
354         * df-problems.c Renamed to df_simulate_initialize_backwards.
355         (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards.
356         (df_simulate_artificial_refs_at_top): Renamed to
357         df_simulate_finalize_backwards.
358         (df_simulate_initialized_forwards, df_simulate_one_insn_forwards,
359         df_simulate_finalize_backwards): New functions.
360         * df.h (df_simulate_artificial_refs_at_end): Renamed to
361         df_simulate_initialize_backwards.
362         (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards.
363         (df_simulate_artificial_refs_at_top): Renamed to
364         df_simulate_finalize_backwards.
365         (df_simulate_initialized_forwards, df_simulate_one_insn_forwards,
366         df_simulate_finalize_backwards): New functions.
367         * ra-conflict.c (global_conflicts): Renamed
368         df_simulate_artificial_refs_at_end to
369         df_simulate_initialize_backwards.
370         * sel-sched.c (propagate_lv_set): Renamed df_simulate_one_insn to
371         df_simulate_one_insn_backwards.
372         * ifcvt.c (dead_or_predicable): Renamed
373         df_simulate_artificial_refs_at_end to
374         df_simulate_initialize_backwards. Renamed df_simulate_one_insn to
375         df_simulate_one_insn_backwards.
376         * recog.c (peephole2_optimize): Ditto.
377         * rtl-factoring (collect_pattern_seqs, clear_regs_live_in_seq): Ditto.
379 2008-12-18  Jakub Jelinek  <jakub@redhat.com>
381         PR middle-end/38533
382         * tree-ssa-reassoc.c (remove_visited_stmt_chain): New function.
383         (rewrite_expr_tree): Add moved argument, move stmts together if
384         needed.  Call remove_visited_stmt_chain.
385         (linearize_expr_tree): Don't move stmts here.
386         (reassociate_bb): Call remove_visited_stmt_chain if num ops is 1.
387         Adjust rewrite_expr_tree caller.
389         PR middle-end/38505
390         * tree-ssa.c (useless_type_conversion_p_1): Return
391         false if inner_type is incomplete and outer_type is complete.
393 2008-12-17  Sebastian Pop  <sebastian.pop@amd.com>
395         * doc/install.texi (Prerequisites): Document PPL and CLooG-PPL
396         dependences and the configure options.
397         (Configuration): Document --with-cloog, --with-ppl, --with-cloog-lib,
398         --with-ppl-lib, --with-cloog-incude, --with-ppl-include.
400 2008-12-17  H.J. Lu  <hongjiu.lu@intel.com>
402         PR middle-end/38556
403         * calls.c (expand_call): Check outgoing_reg_parm_stack_space
404         only if REG_PARM_STACK_SPACE is defined.
406 2008-12-17  Jan Hubicka  <jh@suse.cz>
407             Kai Tietz  <kai.tietz@onevision.com>
409         * calls.c (expand_call): Do not sibcall if
410         outgoing_reg_parm_stack_space does not match.
412 2008-12-16  Anatoly Sokolov  <aesok@post.ru>
414         * config/avr/avr.c (avr_mcu_t): Add attiny87, attiny327, at90pwm81,
415         atmega16m1, at90scr100, atmega128rfa1, m3000f, m3000s and m3001b
416         devices.
417         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
418         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
420 2008-12-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
422         PR target/38842
423         * config/picochip/picochip.opt (mae): Squeezed the comments onto one
424         line.
426 2008-12-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
428         * configure.ac (gcc_cv_ld_hidden): Sun ld on Solaris 9 and up
429         supports hidden.
430         * configure: Regenerate.
432 2008-12-16  Richard Earnshaw  <rearnsha@arm.com>
434         PR target/37436
435         * arm.c (arm_legitimate_index): Only accept addresses that are in
436         canonical form.
437         * predicates.md (arm_reg_or_extendqisi_mem_op): New predicate.
438         * arm.md (extendqihi2): Use arm_reg_or_extendqisi_mem_op predicate
439         for operand1.
440         (extendqisi2): Likewise.
441         (arm_extendqisi, arm_extendqisi_v6): Use arm_extendqisi_mem_op
442         predicate for operand1.
443         
444 2008-12-15  Adam Nemet  <anemet@caviumnetworks.com>
446         * config/mips/mips.c (mips_output_conditional_branch): Assert that
447         openrands[1] is a CODE_LABEL.
449 2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>
451         * config/mips/mips.c (mips_expand_builtin_direct): Set TARGET to
452         the result of mips_prepare_builtin_target.
454 2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>
456         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_abicalls
457         if TARGET_ABICALLS is true.
459 2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>
461         * config/mips/mips.md (move_doubleword_fpr<mode>): Use
462         TARGET_FLOAT64 && !TARGET_64BIT to detect the mxhc1 case.
464 2008-12-15  Hariharan Sandanagobalane  <hariharan@picochip.com>
466         * config/picochip/picochip.c (picochip_override_options): Disable CFI
467         asm and change the signature of brev and byteSwap functions to use
468         unsigned values.
469         * config/picochip/picochip.md (commsTestPort): This is a complex
470         instruction and should not be vliwed. Don't set insn type.
472 2008-12-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
473         * config/s390/s390.c (s390_swap_cmp): New function.
474         (s390_non_addr_reg_read_p): New function.
475         (s390_z10_optimize_cmp): New function.
476         (s390_reorg): Added call to s390_optimize_cmp.
477         * config/s390/s390.md (nop1): New insn.
479 2008-12-12  Rainer Emrich  <r.emrich@de.tecosim.com>
481         PR bootstrap/38383
482         * pa64-hpux.h (LINK_GCC_C_SEQUENCE_SPEC): Don't hardcode search path
483         for the milli.a library.
485 2008-12-12  Andrew Pinski  <andrew_pinskia@playstation.sony.com>
486             Peter Bergner  <bergner@vnet.ibm.com>
488         PR target/24779
489         * config/rs6000/rs6000.md (call_indirect_aix32): Move the load of the
490         TOC into the call pattern.
491         (call_indirect_aix64): Likewise.
492         (call_value_indirect_aix32): Likewise.
493         (call_value_indirect_aix64): Likewise.
494         (call_indirect_nonlocal_aix32_internal): New insn and split patterns
495         to split off the load of the TOC.
496         (call_indirect_nonlocal_aix32): Enable only after reload.
497         (call_indirect_nonlocal_aix64_internal): New insn and split patterns
498         to split off the load of the TOC.
499         (call_indirect_nonlocal_aix64): Enable only after reload.
500         (call_value_indirect_nonlocal_aix32_internal): New insn and split
501         patterns to split off the load of the TOC.
502         (call_value_indirect_nonlocal_aix32): Enable only after reload.
503         (call_value_indirect_nonlocal_aix64_internal): New insn and split
504         patterns to split off the load of the TOC.
505         (call_value_indirect_nonlocal_aix64): Enable only after reload.
507 2008-12-12  Andreas Schwab  <schwab@suse.de>
509         Revert:
510         2008-12-12  Andreas Schwab  <schwab@suse.de>
511         * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on
512         a BARRIER insn.
514 2008-12-12  Zdenek Dvorak  <ook@ucw.cz>
516         PR tree-optimization/32044
517         * tree-scalar-evolution.h (expression_expensive_p): Declare.
518         * tree-scalar-evolution.c (expression_expensive_p): New function.
519         (scev_const_prop): Avoid introducing expensive expressions.
520         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Ditto.
522 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
524         PR middle-end/38409
525         * graphite.c (nb_reductions_in_loop): Use simple_iv.
527 2008-12-12  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
529         * config/i386/x86intrin.h: New header file to support all x86
530         intrinsics
531         * config.gcc (extra_headers): For x86 and x86-64, add x86intrin.h
533 2008-12-12  H.J. Lu  <hongjiu.lu@intel.com>
535         PR target/38402
536         * gcc/doc/md.texi: Remove Y and document Yz, Y2, Yi and Ym
537         constraints for x86.
539 2008-12-12  Andreas Schwab  <schwab@suse.de>
541         * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on
542         a BARRIER insn.
544 2008-12-12  Uros Bizjak  <ubizjak@gmail.com>
546         * config/alpha/sync.md (memory_barrier): Remove mem:BLK from operands.
547         Use Pmode for scratch reg.
548         (*mb_internal): Use (match_dup 0) for unspec operand.
550 2008-12-12  Alexandre Oliva  <aoliva@redhat.com>
552         * tree-vrp.c (extract_range_from_binary_expr): Don't shift by
553         floor_log2 of zero.  Negate widened zero.
555 2008-12-12  Ben Elliston  <bje@au.ibm.com>
557         * config/fp-bit.c (nan): Rename from this ...
558         (makenan): ... to this.
560 2008-12-11  Adam Nemet  <anemet@caviumnetworks.com>
562         * config/mips/mips.md (*branch_bit<bbv><mode>,
563         *branch_bit<bbv><mode>_inverted): Renumber operands so that the
564         label becomes operands[1].
566 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
568         PR tree-optimization/38446
569         * graphite.c (register_bb_in_sese): New.
570         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
571         looking at the bbs in the region.
572         * graphite.h (sese): Add region_basic_blocks pointer set to
573         structure and initialize at the time of defining new scop.
575 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
577         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
578         (find_params_in_bb): Do not free data refs.
579         (free_graphite_bb): Add FIXME on disabled free_data_refs.
581 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
583         * graphite.c (struct ivtype_map_elt): New.
584         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
585         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
586         gcc_type_for_cloog_iv): New.
587         (loop_iv_stack_patch_for_consts): Use the type of the induction
588         variable from the original loop, except for the automatically
589         generated loops, i.e., in the case of a strip-mined loop, in
590         which case there is no original loop: in that case just use
591         integer_type_node.
592         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
593         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
594         (clast_name_to_gcc): Accept params to be NULL.
595         (clast_to_gcc_expression): Take an extra parameter for the type.
596         Convert to that type all the expressions built by this function.
597         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
598         (graphite_translate_clast_equation): Compute the type of the
599         clast_equation before translating its LHS and RHS.
600         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
601         (graphite_create_new_loop): Compute the type of the induction
602         variable before translating the lower and upper bounds and before
603         creating the induction variable.
604         (rename_variables_from_edge, rename_phis_end_scop): New.
605         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
606         (sese_add_exit_phis_edge): Do not use integer_zero_node.
607         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
608         compute_cloog_iv_types): New.
609         (gloog): Call compute_cloog_iv_types before starting the
610         translation of the clast.
612         * graphite.h (struct graphite_bb): New field cloog_iv_types.
613         (GBB_CLOOG_IV_TYPES): New.
614         (debug_ivtype_map): Declared.
615         (oldiv_for_loop): New.
617 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
619         PR middle-end/38459
620         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
621         (param_index): Assert if parameter is not know after parameter
622         detection.
623         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
624         (find_scop_parameters): Mark, that we have finished parameter
625         detection.
626         (graphite_transform_loops): Move condition detection before parameter
627         detection.
628         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
630 2008-12-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
632         PR testsuite/35677
633         * emutls.c (__emutls_get_address): Make sure offset is really zero
634         before initializing the object's offset.
636 2008-12-11  Jakub Jelinek  <jakub@redhat.com>
638         PR c++/38253
639         * gimplify.c (gimplify_init_constructor): Don't force constructor
640         into memory if there is just one nonzero element.
642 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
644         Fix testsuite/gfortran.dg/graphite/id-4.f90.
645         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
646         when not needed.
648 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
650         * graphite.c (build_scops_1): Initialize open_scop.exit
651         and sinfo.last.
653 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
654             Jan Sjodin  <jan.sjodin@amd.com>
655             Harsha Jagasia  <harsha.jagasia@amd.com>
657         PR middle-end/37852
658         PR middle-end/37883
659         PR middle-end/37928
660         PR middle-end/37980
661         PR middle-end/38038
662         PR middle-end/38039
663         PR middle-end/38073
664         PR middle-end/38083
665         PR middle-end/38125
667         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
668         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
669         ... here.
670         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
671         * Makefile.in (graphite.o): Depend on value-prof.h.
672         (graphite.o-warn): Removed -Wno-error.
673         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
674         to be a NULL pointer.  Call update_stmt.  Return the newly created
675         cannonical induction variable.
677         * graphite.h (debug_rename_map): Declared.  Fix some comments.
679         * graphite.c: Reimplement the code generation from graphite to gimple.
680         Include value-prof.h.
681         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
682         (get_old_iv_from_ssa_name): Removed.
683         (graphite_stmt_p): New.
684         (new_graphite_bb): Test for useful statements before building a
685         graphite statement for the basic block.
686         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
687         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without reason.
688         (recompute_all_dominators, graphite_verify,
689         nb_reductions_in_loop, graphite_loop_normal_form): New.
690         (scop_record_loop): Call graphite_loop_normal_form.
691         (build_scop_loop_nests): Iterate over all the blocks of the
692         function instead of relying on the incomplete information from
693         SCOP_BBS.  Return the success of the operation.
694         (find_params_in_bb): Use the data from GBB_DATA_REFS.
695         (add_bb_domains): Removed.
696         (build_loop_iteration_domains): Don't call add_bb_domains.
697         Add the iteration domain only to the basic blocks that have been
698         translated to graphite.
699         (build_scop_conditions_1): Add constraints only if the basic
700         block have been translated to graphite.
701         (build_scop_data_accesses): Completely disabled until data
702         dependence is correctly implemented.
703         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
704         (remove_all_edges_1, remove_all_edges): Removed.
705         (get_new_name_from_old_name): New.
706         (graphite_rename_variables_in_stmt): Renamed.
707         rename_variables_in_stmt.  Call get_new_name_from_old_name.
708         Use replace_exp and update_stmt.
709         (is_old_iv): Renamed is_iv.
710         (expand_scalar_variables_stmt): Extra parameter for renaming map.
711         Use replace_exp and update_stmt.
712         (expand_scalar_variables_expr): Same.  Use the map to get the
713         new names for the renaming of induction variables and for the
714         renaming of variables after a basic block has been copied.
715         (expand_scalar_variables): Same.
716         (graphite_rename_variables): Renamed rename_variables.
717         (move_phi_nodes): Removed.
718         (get_false_edge_from_guard_bb): New.
719         (build_iv_mapping): Do not insert the induction variable of a
720         loop in the renaming iv map if the basic block does not belong
721         to that loop.
722         (register_old_new_names, graphite_copy_stmts_from_block,
723         copy_bb_and_scalar_dependences): New.
724         (translate_clast): Heavily reimplemented: copy basic blocks,
725         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
726         At each translation step call graphite_verify ensuring the
727         consistency of the SSA, loops and dominators information.
728         (collect_virtual_phis, find_vdef_for_var_in_bb,
729         find_vdef_for_var_1, find_vdef_for_var,
730         patch_phis_for_virtual_defs): Removed huge hack.
731         (mark_old_loops, remove_dead_loops, skip_phi_defs,
732         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
733         gbb_can_be_ignored, scop_remove_ignoreable_gbbs): Removed.
734         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
735         if_region_get_condition_block, if_region_set_false_region,
736         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
737         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
738         sese_add_exit_phis_edge, sese_add_exit_phis_var,
739         rewrite_into_sese_closed_ssa): New.
740         (gloog): Remove dead code.  Early return if code cannot be
741         generated.  Call cleanup_tree_cfg once the scop has been code
742         generated.
743         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
744         block loops with less than two loops.
745         (graphite_apply_transformations): Remove the call to
746         scop_remove_ignoreable_gbbs.
747         (limit_scops): When build_scop_loop_nests fails, continue on next
748         scop.  Fix open_scop.entry.
749         (graphite_transform_loops): Call recompute_all_dominators: force the
750         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
751         Call initialize_original_copy_tables and free_original_copy_tables
752         to be able to copy basic blocks during code generation.
753         When build_scop_loop_nests fails, continue on next scop.
754         (value_clast): New union.
755         (clast_to_gcc_expression): Fix type cast warning.
757 2008-12-10  Richard Guenther  <rguenther@suse.de>
759         PR tree-optimization/36792
760         * tree-ssa-pre.c (compute_avail): Handle tcc_comparison like
761         tcc_binary.
763 2008-12-10  Daniel Berlin  <dberlin@dberlin.org>
765         PR tree-optimization/36792
766         * tree-ssa-pre.c (compute_avail): Don't insert defs into maximal set.
768 2008-12-10  Alexandre Oliva  <aoliva@redhat.com>
770         PR target/37033
771         * dwarf2out.c (saved_do_cfi_asm): New.
772         (dwarf2out_do_frame): Take it into account.
773         (dwarf2out_d_cfi_asm): Likewise.  Set it when appropriate.
775 2008-12-10  Alexandre Oliva  <aoliva@redhat.com>
777         PR middle-end/38271
778         * tree-sra.c (sra_build_bf_assignment): Avoid warnings for
779         variables initialized from SRAed bit fields.
781 2008-12-10  Martin Guy  <martinwguy@yahoo.it>
783         PR target/37668
784         * arm.c (arm_size_rtx_costs, case NEG): Don't fall through if the
785         result will be in an FPU register.
787 2008-12-10  Eric Botcazou  <ebotcazou@adacore.com>
789         PR target/37170
790         PR target/38448
791         * final.c (output_addr_const) <SYMBOL_REF>: Call assemble_external
792         on the associated SYMBOL_REF_DECL node, if any.
794 2008-12-09  David Daney  <ddaney@caviumnetworks.com>
796         * config/mips/sync.md (sync_<optab>_12): Replace
797         MIPS_SYNC_OP_12_NOT_NOP with MIPS_SYNC_OP_12_AND.
798         (sync_old_<optab>_12): Remove third paramater to
799         MIPS_SYNC_OLD_OP_12 macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOP
800         with MIPS_SYNC_OLD_OP_12_AND.
801         (sync_new_<optab>_12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOP
802         with MIPS_SYNC_NEW_OP_12_AND.
803         (sync_nand_12): Replace MIPS_SYNC_OP_12_NOT_NOT with
804         MIPS_SYNC_OP_12_XOR, reduce length attribute to 40.
805         (sync_old_nand_12): Remove third paramater to MIPS_SYNC_OLD_OP_12
806         macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOT with
807         MIPS_SYNC_OLD_OP_12_XOR and reduce length attribute to 40.
808         (sync_new_nand_12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOT with
809         MIPS_SYNC_NEW_OP_12_XOR.
810         * config/mips/mips.h (MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
811         MIPS_SYNC_OP_12_NOT_NOT,MIPS_SYNC_OLD_OP_12_NOT_NOP,
812         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_NEW_OP_12,
813         MIPS_SYNC_NEW_OP_12_NOT_NOP, MIPS_SYNC_NEW_OP_12_NOT_NOT,
814         MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Rewritten
815         to implement new __sync_nand semantics.
816         (MIPS_SYNC_OLD_OP_12): Implement new __sync_nand semantics, and
817         remove third parameter.
818         (MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
819         MIPS_SYNC_OLD_OP_12_NOT_NOT_REG): Removed.
820         (MIPS_SYNC_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OP_12_AND.
821         (MIPS_SYNC_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OP_12_XOR.
822         (MIPS_SYNC_OLD_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OLD_OP_12_AND.
823         (MIPS_SYNC_OLD_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OLD_OP_12_XOR.
824         (MIPS_SYNC_NEW_OP_12_NOT_NOP): Renamed to MIPS_SYNC_NEW_OP_12_AND.
825         (MIPS_SYNC_NEW_OP_12_NOT_NOT): Renamed to MIPS_SYNC_NEW_OP_12_XOR
827 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
829         * graphite.c (graphite_transform_loops): Always call find_transform ()
830         in ENABLE_CHECKING.  So we test these code paths, even if we do not
831         generate code.
833 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
835         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
837 2008-12-09  Jakub Jelinek  <jakub@redhat.com>
839         PR middle-end/38454
840         * function.h (struct function): Add always_inline_functions_inlined.
841         * ipa-inline.c (cgraph_early_inlining): Set it to true.
842         * tree-optimize.c (execute_fixup_cfg): Likewise.
843         * builtins.c (avoid_folding_inline_builtin): New function.
844         (fold_call_expr): Don't optimize always_inline builtins before
845         inlining.
846         (fold_call_stmt): Likewise.
847         (fold_builtin_call_array): Likewise.  Don't call
848         fold_builtin_varargs for BUILT_IN_MD builtins.
850         PR tree-optimization/37416
851         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle NOP_EXPR.
853 2008-12-09  Janis Johnson  <janis187@us.ibm.com>
855         * doc/sourcebuild.texi (Test Directives): Fix formatting.
857 2008-12-09  Vladimir Makarov  <vmakarov@redhat.com>
859         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
861         * doc/invoke.texi (-fira-region): Describe new option.
862         (-fira-algorithm): Change the values.
864         * ira-conflicts.c (build_conflict_bit_table,
865         build_allocno_conflicts): Use ira_reg_classes_intersect_p.
866         (ira_build_conflicts): Use flag flag_ira_region instead of
867         flag_ira_algorithm.  Prohibit usage of callee-saved likely spilled
868         base registers for allocnos crossing calls.
870         * flags.h (enum ira_algorithm): Redefine.
871         (enum ira_region): New.
872         (flag_ira_region): New.
874         * cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
875         instead of flag_ira_algorithm.
877         * toplev.c (flag_ira_algorithm): Change the initial value.
878         (flag_ira_region): New.
880         * ira-int.h (ira_reg_classes_intersect_p,
881         ira_reg_class_super_classes): New.
883         * ira-color.c (update_copy_costs): Use
884         ira_reg_classes_intersect_p.  Use right class to find hard reg index.
885         (update_conflict_hard_regno_costs): Ditto.  Add a new parameter.
886         (assign_hard_reg): Ditto.  Pass additional argument to
887         update_conflict_hard_regno_costs.  Do not uncoalesce for priority
888         coloring.
889         (allocno_priorities, setup_allocno_priorities,
890         allocno_priority_compare_func): Move before color_allocnos.
891         (color_allocnos): Add priority coloring.  Use flag flag_ira_region
892         instead of flag_ira_algorithm.
893         (move_spill_restore): Check classes of the same reg allocno from
894         different regions.
895         (update_curr_costs): Use ira_reg_classes_intersect_p.
896         (ira_reassign_conflict_allocnos): Ditto.
898         * opts.c (decode_options): Always set up flag_ira.  Set up
899         flag_ira_algorithm.  Warn CB can not be used for architecture.
900         (common_handle_option): Modify code for -fira-algorithm.  Add code
901         to process -fira-region.
903         * ira-lives.c (update_allocno_pressure_excess_length): Process
904         superclasses too.
905         (set_allocno_live, clear_allocno_live, mark_reg_live,
906         mark_reg_dead, process_bb_node_lives): Ditto.
908         * ira-emit.c (ira_emit): Fix insn codes.
910         * ira-build.c (propagate_allocno_info): Use flag flag_ira_region
911         instead of flag_ira_algorithm.
912         (allocno_range_compare_func): Ignore classes for priority coloring.
913         (setup_min_max_conflict_allocno_ids): Ditto.
914         (ira_flattening): Use ira_reg_classes_intersect_p.
916         * genpreds.c (write_enum_constraint_num): Output CONSTRAINT__LIMIT.
918         * common.opt (fira-algorithm): Modify.
919         (fira-region): New.
921         * ira.c (setup_class_hard_regs): Initialize.
922         (setup_cover_and_important_classes): Modify code setting class
923         related info for priority coloring.
924         (setup_class_translate): Ditto.
925         (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
926         (setup_reg_class_intersect_union): Rename to
927         setup_reg_class_relations.  Add code for setting up new variables.
928         (find_reg_class_closure): Do not check targetm.ira_cover_classes.
929         (ira): Use flag flag_ira_region instead of flag_ira_algorithm.
931         * ira-costs.c (common_classes): New.
932         (print_costs): Use flag flag_ira_region instead of flag_ira_algorithm.
933         (find_allocno_class_costs): Ditto.  Use common_classes.  Translate
934         alt_class.
935         (ira_costs): Allocate/deallocate common_classes.
937         * config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
938         (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
939         R02A_REGS.
941         * reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
942         smallest_mode_for_size.
944 2008-12-10  Ben Elliston  <bje@au.ibm.com>
946         * config/rs6000/linux-unwind.h (get_regs): Constify casts.
948 2008-12-09  Jan Hubicka  <jh@suse.cz>
950         * predict.c (estimate_bb_frequencies): Fix test if profile is present.
952 2008-12-09  Jakub Jelinek  <jakub@redhat.com>
954         PR tree-optimization/35468
955         * tree-ssa-ccp.c (fold_stmt_r): Don't fold reads from constant
956         string on LHS.
958 2008-12-09  Richard Guenther  <rguenther@suse.de>
960         PR tree-optimization/38445
961         * tree-ssa-structalias.c (emit_pointer_definition): Only visit
962         names once.
963         (emit_alias_warning): Adjust.
965 2008-12-09  Andrew Haley  <aph@redhat.com>
967         * fixed-value.c (do_fixed_add): Add comment.
968         * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise.
969         * builtins.c (fold_builtin_sqrt): Likewise.
971 2008-12-09  Kai Tietz  <kai.tietz@onevision.com>
973         PR/38366
974         * function.c (aggregate_value_p): Get fntype from CALL_EXPR in any
975         case.
976         * calls.c (nitialize_argument_information): Add fntype argument
977         and use it for calls.promote_function_args.
978         (expand_call): Pass fntype to aggregate_value_p if no fndecl
979         available and pass additional fntype to
980         initialize_argument_information.
981         * config/i386/i386.c (ix86_reg_parm_stack_space): Remove cfun part
982         to get function abi type.
983         (init_cumulative_args): Use for abi kind detection fntype, when no
984         fndecl is available.
986 2008-12-09  Andreas Krebbel  <krebbel1@de.ibm.com>
988         * config/s390/s390.md (movti, movdi_64, movdi_31,
989         *movsi_zarch, *movhi, *movqi, *mov<mode>_64, *mov<mode>_31,
990         *mov<mode>_64dfp, *mov<mode>_64, *mov<mode>_31, mov<mode>): Remove
991         Q->Q alternative.
992         (Integer->BLKmode splitter): Removed.
994 2008-12-08  Uros Bizjak  <ubizjak@gmail.com>
996         * config/alpha/alpha.c (alpha_set_memflags): Process memory
997         references in full insn sequence.
999 2008-12-09  Jason Merrill  <jason@redhat.com>
1001         * gimplify.c (gimplify_init_constructor): Revert to using < rather
1002         than <= for sparseness test.
1004         PR c++/38410
1005         * gimplify.c (gimplify_init_constructor): Don't write out a static
1006         copy of the CONSTRUCTOR for TREE_ADDRESSABLE types or small sparse
1007         initializers.
1009 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1011         PR middle-end/38084
1012         Fix testsuite/gfortran.dg/graphite/id-3.f90.
1013         * graphite.c (scopdet_basic_block_info): Fix bug that found some
1014         regions more than once.
1016 2008-12-09  Ben Elliston  <bje@au.ibm.com>
1018         * emutls.c (__emutls_get_address): Prototype.
1019         (__emutls_register_common): Likewise.
1021         * config/dfp-bit.c (DFP_TO_INT): Remove unnecessary cast.
1023 2008-12-09  Ben Elliston  <bje@au.ibm.com>
1025         * config/rs6000/darwin-ldouble.c (fmsub): Remove unused variable, v.
1027 2008-12-08  Steve Ellcey  <sje@cup.hp.com>
1029         * config/ia64/ia64.md (UNSPECV_GOTO_RECEIVER): New constant.
1030         (nonlocal_goto_receiver): New instruction.
1032 2008-12-08  Jakub Jelinek  <jakub@redhat.com>
1034         PR c/35443
1035         * c-pretty-print.c (pp_c_expression): Handle BIND_EXPR.
1037         PR c/35442
1038         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1039         VIEW_CONVERT_EXPR the same as CASE_CONVERT.
1041 2008-12-08  Richard Henderson  <rth@redhat.com>
1043         PR 38240
1044         * tree.h (TYPE_MODE): Invoke vector_type_mode when needed.
1045         (SET_TYPE_MODE): New.
1046         * c-decl.c (parser_xref_tag): Use it.
1047         (finish_enum): Likewise.
1048         * tree.c (build_pointer_type_for_mode): Likewise.
1049         (build_reference_type_for_mode, build_index_type): Likewise.
1050         (build_range_type, make_vector_type): Likewise.
1051         (build_common_tree_nodes_2): Likewise.
1052         * stor-layout.c (compute_record_mode): Likewise.
1053         (finalize_type_size, layout_type, make_fract_type): Likewise.
1054         (make_accum_type, initialize_sizetypes): Likewise.
1055         (vector_type_mode): New.
1056         * function.c (allocate_struct_function): Call
1057         invoke_set_current_function_hook before querying anything else.
1059         * config/i386/i386.c (ix86_valid_target_attribute_inner_p): Add avx.
1061 2008-12-08  Luis Machado  <luisgpm@br.ibm.com>
1063         * alias.c (find_base_term): Synch LO_SUM handling with what
1064         find_base_value does.
1066 2008-12-08  Andrew Haley  <aph@redhat.com>
1067             Kamaraju Kusumanchi  <raju.mailinglists@gmail.com>
1069         * gimple.h (gimple_build_try): Fix declaration.
1071         * builtins.c (fold_builtin_sqrt): Don't use a conditional operator.
1072         * fixed-value.c (do_fixed_add): Likewise.
1073         * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise.
1075 2008-12-08  Jakub Jelinek  <jakub@redhat.com>
1077         PR middle-end/36802
1078         * omp-low.c (use_pointer_for_field): Only call maybe_lookup_decl
1079         on parallel and task contexts.
1081 2008-12-07  Eric Botcazou  <ebotcazou@adacore.com>
1083         * gimple.c (recalculate_side_effects) <tcc_constant>: New case.
1085 2008-12-07  Richard Guenther  <rguenther@suse.de>
1087         PR tree-optimization/38405
1088         * tree-vrp.c (simplify_truth_ops_using_ranges): Make sure to
1089         not sign-extend truth values.
1091 2008-12-07  Eric Botcazou  <ebotcazou@adacore.com>
1093         * tree-sra.c (scalarize_use): Create another temporary with the proper
1094         type for signed types in the use_all && !is_output bitfield case.
1096 2008-12-06  Steven Bosscher  <steven@gcc.gnu.org>
1098         PR rtl-optimization/36365
1099         * df-core.c (df_worklist_dataflow_overeager): Remove.
1100         (df_worklist_dataflow): Don't call it, use double-queue only.
1101         * params.def (PARAM_DF_DOUBLE_QUQUQ_THRESHOLD_FACTOR): Remove.
1103 2008-12-06  Jakub Jelinek  <jakub@redhat.com>
1105         PR middle-end/38428
1106         * tree-ssa-operands.c (get_expr_operands) <case BIT_FIELD_REF>: Set
1107         gimple_set_has_volatile_ops if the BIT_FIELD_REF is volatile.
1109 2008-12-07  Ben Elliston  <bje@au.ibm.com>
1111         * gthr-single.h (__gthread_once): Adjust prototype to match all
1112         other gthreads models.
1114 2008-12-06  Jakub Jelinek  <jakub@redhat.com>
1116         * config/i386/i386.c (override_options): Use CPU_AMDFAM10
1117         instead of PROCESSOR_AMDFAM10 for barcelona's schedule.
1119         PR middle-end/38422
1120         * fold-const.c (fold_unary) <CASE_CONVERT>: Don't convert MULT_EXPR
1121         operands to mult_type if it isn't narrower than op0's type.
1123 2008-12-06  Jan Hubicka  <jh@suse.cz>
1124             Jakub Jelinek  <jakub@redhat.com>
1126         PR tree-optimization/38074
1127         * cgraphbuild.c (compute_call_stmt_bb_frequency): Fix handling of 0
1128         entry frequency.
1129         * predict.c (combine_predictions_for_bb): Ignore predictor predicting
1130         in both dirrection for first match heuristics.
1131         (tree_bb_level_predictions): Disable noreturn heuristic when there
1132         is no returning path.
1134 2008-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1136         PR rtl-optimization/38272
1137         * reload1.c (choose_reload_regs): Keep reload_spill_index correct
1138         in all cases.
1140 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
1142         PR c++/35336
1143         * c-pretty-print.c (pp_c_postfix_expression): Handle BIT_FIELD_REF.
1144         (pp_c_expression): Likewise.
1146 2008-12-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1148         PR c/38416
1149         * c-parser.c (struct c_token): Make pragma_kind 8 bits.
1151 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
1153         PR middle-end/37248
1154         * fold-const.c (make_bit_field_ref): Change bitpos and bitsize
1155         arguments to HOST_WIDE_INT.  If type has different signedness
1156         than unsignedp or different precision from bitsize, create
1157         the right type for BIT_FIELD_REF and cast to type.
1158         (fold_truthop): Change first_bit and end_bit to HOST_WIDE_INT.
1160         Revert:
1161         2008-03-05  Richard Guenther  <rguenther@suse.de>
1162         PR c++/35336
1163         * fold-const.c (fold_truthop): Remove code generating
1164         BIT_FIELD_REFs of structure bases.
1165         (fold_binary): Likewise.
1166         (make_bit_field_ref): Remove.
1167         (optimize_bit_field_compare): Remove.
1168         (all_ones_mask_p): Remove.
1170 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
1172         * tree-sra.c (sra_explode_bitfield_assignment): Always
1173         call unsigned_type_for, if the precision is higher than
1174         needed, call build_nonstandard_integer_type.
1176         PR debug/38367
1177         * function.c (assign_parm_find_stack_rtl): If promoted_mode
1178         is wider than DECL_MODE, adjust MEM_OFFSET (stack_parm) for
1179         big endian.
1181         PR middle-end/38338
1182         * builtins.c (expand_builtin_apply_args): Put before parm_birth_insn
1183         only if internal_arg_pointer is a non-virtual pseudo.
1185 2008-12-05  Joseph Myers  <joseph@codesourcery.com>
1187         * config/rs6000/rs6000.md (move_from_CR_gt_bit): Enable for
1188         TARGET_HARD_FLOAT && !TARGET_FPRS, not TARGET_E500.
1189         * config/rs6000/spe.md (e500_cr_ior_compare): Likewise.
1191 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
1193         PR tree-optimization/37716
1194         * gimplify.c (gimplify_expr): Allow COND_EXPR if
1195         gimplify_ctxp->allow_rhs_cond_expr.
1197 2008-12-05  Uros Bizjak  <ubizjak@gmail.com>
1199         * config/alpha/alpha.c (alpha_fold_vector_minmax): Create
1200         VIEW_CONVERT_EXPR to convert output to long_integer_type_node.
1202         (alpha_emit_conditional_branch): Do not generate direct branch
1203         for UNORDERED comparisons.
1205 2008-12-05  Andreas Schwab  <schwab@suse.de>
1207         * config/rs6000/linux-unwind.h (frob_update_context): Check for
1208         NULL lr.
1210 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
1212         PR c/38408
1213         * fold-const.c (fold_checksum_tree): Change buf type to union
1214         tree_node.
1216 2008-12-05  Sebastian Pop  <sebastian.pop@amd.com>
1218         PR bootstrap/38262
1219         * Makefile.in (LIBS): Remove GMPLIBS, CLOOGLIBS and PPLLIBS.
1220         (BACKENDLIBS): New.
1221         (cc1-dummy, cc1): Add BACKENDLIBS, remove GMPLIBS.
1223 2008-12-05  Ben Elliston  <bje@au.ibm.com>
1225         * c-parser.c (c_parser_enum_specifier): Initialise ident_loc and
1226         comma_loc.
1227         (c_parser_initelt): Initialise des_loc and ellipsis_loc.
1229 2008-12-04  Eric Botcazou  <ebotcazou@adacore.com>
1230             Gary Funck  <gary@intrepid.com>
1232         * cse.c (lookup_as_function): Delete mode frobbing code.
1233         (equiv_constant): Re-implement it there for SUBREGs.
1235 2008-12-04  Richard Guenther  <rguenther@suse.de>
1237         PR middle-end/36509
1238         * Makefile.in (tree-ssa-alias-warnings.o): Remove.
1239         (tree-ssa-structalias.o): Remove errors.h dependency.
1240         (tree-ssa-reassoc.o): Likewise.
1241         * tree-ssa-reassoc.c: Do not include errors.h.
1242         * tree-ssa-alias-warnings.c: Remove.
1243         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1244         strict_aliasing_warning_backend.
1245         * tree-ssa-structalias.c (emit_pointer_definition): New function.
1246         (emit_alias_warning): Likewise.
1247         (set_uids_in_ptset): Warn for clear cases of type-punning.
1248         * tree-inline.c (remap_gimple_op_r): Preserve TREE_NO_WARNING
1249         on INDIRECT_REFs.
1251 2008-12-04  Eric Botcazou  <ebotcazou@adacore.com>
1253         * cse.c (equiv_constant): Fix pasto.
1255 2008-12-04  Nick Clifton  <nickc@redhat.com>
1257         * config/stormy16/stormy16.md: Remove extraneous spaces and quotes.
1258         * config/stormy16/stormy16.c: Remove extraneous spaces and fix up
1259         formatting of quotes.
1261 2008-12-04  Jakub Jelinek  <jakub@redhat.com>
1263         PR middle-end/38371
1264         * fold-const.c (fold_checksum_tree): Allow modification of
1265         TYPE_NEXT_VARIANT.
1267 2008-12-03  Jakub Jelinek  <jakub@redhat.com>
1269         PR middle-end/38360
1270         * tree-ssa-ccp.c (ccp_fold_builtin): Bail out if the builtin doesn't
1271         have the right number of arguments.
1273 2008-12-03  Richard Guenther  <rguenther@suse.de>
1275         PR middle-end/36326
1276         * gimplify.c (is_gimple_mem_or_call_rhs): Remove work-around for
1277         non-BLKmode types.
1279 2008-12-03  Tomas Bily  <tbily@suse.cz>
1281         PR middle-end/38250
1282         * tree-loop-distribution.c (build_size_arg): New function.
1283         (generate_memset_zero): Checks if dr_analyze_innermost succeed.
1284         Reorganized generating of stmts.
1285         * testsuite/gcc.dg/tree-ssa/pr38250.c: New file.
1286         * tree-data-ref.c (dr_analyze_innermost): Returns bool.
1287         Indicate if analysis succeed.
1288         * tree-data-ref.h (dr_analyze_innermost): Returns bool.
1289         * tree-predcom.c (valid_initializer_p, find_looparound_phi):
1290         Uses new definition of dr_analyze_innermost.
1292 2008-12-03  Ben Elliston  <bje@au.ibm.com>
1294         * tree-ssa-pre.c (do_regular_insertion): Initialise edoubleprime.
1296 2008-12-03  Jakub Jelinek  <jakub@redhat.com>
1298         PR tree-optimization/37716
1299         * tree-sra.c (sra_build_assignment): For scalar bitfield SRC construct
1300         all the needed operations as trees and gimplify_assign it to dst.
1302         PR target/37610
1303         * configure.ac (gcc_cv_readelf): Look for readelf.
1304         (gcc_cv_as_cfi_advance_working): Check for working
1305         cfi advances with code alignment factor > 1.
1306         (HAVE_GAS_CFI_DIRECTIVE): Don't define if cfi advances
1307         don't work properly.
1308         * configure: Regenerated.
1310 2008-12-03  Eric Botcazou  <ebotcazou@adacore.com>
1311             Jakub Jelinek  <jakub@redhat.com>
1312             Andrew Pinski  <andrew_pinski@playstation.sony.com>
1314         PR rtl-optimization/38281
1315         * combine.c (distribute_notes): When invoking SET_INSN_DELETED on i2,
1316         set it to NULL_RTX afterwards.
1318         * emit-rtl.c (set_insn_deleted): Fix formatting.
1320 2008-12-02  Richard Sandiford  <rdsandiford@googlemail.com>
1322         * config/mips/mips.c (mips_expand_builtin): Fix the mode of the
1323         error return value.
1324         * config/mips/mips.md (IMOVE32): New mode iterator.
1325         (movsi): Generalize with IMOVE32.
1326         (*movsi_internal): Likewise.
1327         (*mov<mode>_mips16): Likewise.
1328         (*lwxs): Likewise.
1330 2008-12-02  Nathan Sidwell  <nathan@codesourcery.com>
1331             Maxim Kuvyrkov  <maxim@codesourcery.com>
1333         * config/m68k/lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of
1334         PC-relative addressing when compiling for uclinux PIC.
1335         (__cmpdf_internal, __cmpsf_internal): Hide.
1336         (__cmpdf, __cmpsf): Use PIC call sequence.
1338 2008-12-02  Andreas Tobler  <a.tobler@schweiz.org>
1339             Jack Howarth  <howarth@bromo.med.uc.edu>
1341         * config/i386/t-darwin64: Add m32 multilib support.
1343 2008-12-02  Jack Howarth  <howarth@bromo.med.uc.edu>
1345         * testsuite/gcc.dg/darwin-comm.c: Expand to darwin10 and later.
1347 2008-12-02  Jakub Jelinek  <jakub@redhat.com>
1349         PR middle-end/38343
1350         * builtins.c (fold_builtin_memory_op): Convert len to sizetype
1351         before using it in POINTER_PLUS_EXPR.
1353 2008-12-02  Richard Guenther  <rguenther@suse.de>
1355         PR tree-optimization/38359
1356         * fold-const.c (fold_binary): Fold -1 >> x to -1 only for
1357         non-negative x.
1359 2008-12-02  Martin Jambor  <mjambor@suse.cz>
1361         PR middle-end/37861
1362         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not check
1363         for INDIRECT_REFs.
1364         (forward_propagate_addr_into_variable_array_index): Check that the
1365         offset is not computed from a MULT_EXPR, use is_gimple_assign rather
1366         than the gimple code directly.
1368 2008-12-02  Ben Elliston  <bje@au.ibm.com>
1370         * config/spu/float_disf.c (__floatdisf): Prototype.
1371         * config/spu/float_unsdisf.c (__float_undisf): Likewise.
1372         * config/spu/float_unssidf.c (__float_unssidf): Constify cast.
1373         * config/spu/float_unsdidf.c (__float_unsdidf): Likewise.
1375 2008-12-02  DJ Delorie  <dj@redhat.com>
1377         * config/stormy16/stormy16.h (INCOMING_FRAME_SP_OFFSET): Negate.
1378         (DWARF_CIE_DATA_ALIGNMENT): Define.
1380         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout):
1381         Invert add/sub for INCOMING_FRAME_SP_OFFSET.
1382         (xstormy16_expand_prologue): Likewise.
1383         (xstormy16_expand_builtin_va_start): Likewise.
1384         (xstormy16_gimplify_va_arg_expr): Likewise.
1386 2008-12-02  Jakub Jelinek  <jakub@redhat.com>
1388         PR middle-end/38343
1389         * builtins.c (expand_builtin_mempcpy_args): Handle COMPOUND_EXPRs
1390         potentially returned from folding memcpy.
1391         (expand_builtin_stpcpy_args): Similarly for folding strcpy.
1392         (fold_builtin_2): Handle BUILT_IN_STPCPY if result is ignored.
1394 2008-12-02  Danny Smith  <dannysmith@users.sourceforge.net>
1396         PR target/38054
1397         * config/i386/winnt.c (i386_pe_encode_section_info): Condition stdcall
1398         decoration of function RTL names here on Ada language.
1400 2008-12-01  Vladimir Makarov  <vmakarov@redhat.com>
1402         PR rtl-optimization/38280
1403         * ira-build.c (loop_is_inside_p, regno_allocno_order_compare_func,
1404         ira_rebuild_regno_allocno_list): New functions.
1405         (regno_allocnos): New static variable.
1406         (remove_unnecessary_allocnos): Allocate/deallocate regno_allocnos.
1407         Call ira_rebuild_regno_allocno_list.
1409 2008-12-01  David Daney  <ddaney@caviumnetworks.com>
1410             Adam Nemet  <anemet@caviumnetworks.com>
1412         * config/mips/linux64.h (DRIVER_SELF_SPECS): Add
1413         LINUX_DRIVER_SELF_SPECS.
1415 2008-12-01  Vladimir Makarov  <vmakarov@redhat.com>
1417         PR rtl-optimization/37514
1418         * reload1.c (reload_as_needed): Invalidate reg_last_reload
1419         from previous insns.
1421 2008-12-01  Jakub Jelinek  <jakub@redhat.com>
1423         PR c++/38348
1424         * c-omp.c (c_finish_omp_for): Only transform pointer
1425         ++ or -- into MODIFY_EXPR if second argument is non-NULL.
1427         PR rtl-optimization/38245
1428         * tree-vrp.c (abs_extent_range): New function.
1429         (extract_range_from_binary_expr): Compute range
1430         for *_DIV_EXPR even if vr1 is VR_VARYING, VR_ANTI_RANGE
1431         or includes zero or if vr1 is VR_RANGE and op0 has some
1432         other range.
1434 2008-12-01  Uros Bizjak  <ubizjak@gmail.com>
1436         PR middle-end/37908
1437         * config/alpha/alpha.c (alpha_split_atomic_op): Properly handle NAND
1438         case by calculating ~(new_reg & val) instead of (~new_reg & val).
1439         * config/alpha/sync.md (sync_nand<mode>): Change insn RTX
1440         to (not:I48MODE (and:I48MODE (...))).
1441         (sync_old_nand<mode>): Ditto.
1442         (sync_new_nand<mode>): Ditto.
1444 2008-12-01  Nick Clifton  <nickc@redhat.com>
1446         * config/stormy16/stormy16.md (CARRY_REG): New constant.
1447         Replace uses of the "y" register class with direct references to
1448         the CARRY_REG register.
1449         * config/stormy16/stormy16.c: Replace clobbers of a BImode scratch
1450         register with clobbers of the carry register.
1451         (xstormy16_secondary_reload_class): Do not return CARRY_REGS.
1452         (xstormy16_split_cbranch): Remove redundant carry parameter.
1453         (xstormy16_expand_arith): Likewise.
1454         * config/stormy16/stormy16.h (enum reg_class): Remove CARRY_REGS.
1455         (IRA_COVER_CLASSES, REG_CLASS_NAMES, REG_CLASS_CONTENTS,
1456         REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1457         (CARRY_REGNUM): Define.
1458         * config/stormy16/stormy16-protos.h (xstormy16_split_cbranch):
1459         Update prototype.
1460         (xstormy16_expand_arith): Likewise.
1462 2008-12-01  Chen Liqin  <liqin.chen@sunplusct.com>
1464         * config/score/score.h (IRA_COVER_CLASSES): Define.
1466 2008-11-30  Eric Botcazou  <ebotcazou@adacore.com>
1468         PR target/38287
1469         * config/sparc/sparc.md (divsi3 expander): Remove constraints.
1470         (divsi3_sp32): Add new alternative with 'K' for operand #2.
1471         (cmp_sdiv_cc_set): Factor common string.
1472         (udivsi3_sp32): Add new alternative with 'K' for operand #2.
1473         Add TARGET_V9 case.
1474         (cmp_udiv_cc_set): Factor common string.
1476 2008-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1478         PR middle-end/38283
1479         * varasm.c (emutls_finish): Fix common registration.
1481 2008-11-29  Jakub Jelinek  <jakub@redhat.com>
1483         PR target/29987
1484         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1486 2008-11-29  David Edelsohn  <edelsohn@gnu.org>
1488         * config/rs6000/rs6000.c (rs6000_emit_sync): Remove support for
1489         operand wrapped in NOT.  Emit NAND as (ior (not X) (not Y)).
1490         (rs6000_split_atomic_op): Emit NAND as (ior (not X) (not Y)).
1491         * config/rs6000/sync.md (sync_nand<mode>): Represent NAND in RTL.
1492         Call rs6000_emit_sync with CODE=NOT and unmodified operands.
1493         Ignore sub-word case for now.
1494         (sync_nand<mode>_internal): Represent NAND in RTL.
1495         (sync_old_nand<mode): Same.
1496         (sync_old_name<mode>_internal): Same.
1497         (sync_new_nand<mode>): Same.
1498         (sync_new_nand<mode>_internal): Same.
1499         (sync_boolcshort_internal): Expect NAND.
1501 2008-11-28  Richard Guenther  <rguenther@suse.de>
1503         PR tree-optimization/37955
1504         PR tree-optimization/37742
1505         * tree-vect-transform.c (vectorizable_store): Remove assert for
1506         compatible aliases.
1507         (vectorizable_load): Likewise.
1509 2008-11-27  Richard Guenther  <rguenther@suse.de>
1511         * tree-ssa-structalias.c (intra_create_variable_infos): Make
1512         a constraint for the static chain parameter.
1514 2008-11-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1516         * config/bfin/bfin.opt (micplb): New option.
1517         * config/bfin/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Set it.
1518         * config/bfin/bfin-protos.h (WA_INDIRECT_CALLS,
1519         ENABLE_WA_INDIRECT_CALLS): New macros.
1520         * config/bfin/bfin.c (bfin_cpus): Add WA_INDIRECT_CALLS to
1521         all 54x CPUs.
1522         (indirect_call_p): New function.
1523         (workaround_speculation): Handle anomaly 05-00-0426 when
1524         ENABLE_WA_INDIRECT_CALLS is true.
1525         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1526         __WORKAROUND_INDIRECT_CALLS if ENABLE_WA_INDIRECT_CALLS.
1527         * doc/invoke.texi (Blackfin Options): Document -micplb.
1529 2008-11-26  DJ Delorie  <dj@redhat.com>
1531         * config/m32c/mov.md ("extendhipsi2"): New.
1533         * config/m32c/bitops.md (bset_qi): Add memsym_operand predicate.
1535         * config/m32c/bitops.md (andhi3_24, iorhi3_24): Don't prefer HL class.
1536         * config/m32c/mov.md (zero_extendqihi2): Likewise.
1538 2008-11-26  Adam Nemet  <anemet@caviumnetworks.com>
1540         * config/mips/mips.md (clear_hazard): Rename to
1541         clear_hazard_<mode>.  Use mode-specific addition.
1542         (clear_cache): Rename gen_clear_hazard to gen_clear_hazard_si
1543         or gen_clear_hazard_di depending on the size of Pmode.
1545 2008-11-26  DJ Delorie  <dj@redhat.com>
1547         * configure.ac: Test m32c-elf-gas for .loc.
1548         * configure: Likewise.
1550 2008-11-26  Janis Johnson  <janis187@us.ibm.com>
1552         PR testsuite/28870
1553         * doc/sourcebuild.texi (Test Directives): Add dg-timeout and
1554         dg-timeout-factor.
1556 2008-11-26  Uros Bizjak  <ubizjak@gmail.com>
1558         * config/i386/sync.md (memory_barrier_nosse): Disable also for
1559         TARGET_64BIT.  Remove special asm template for TARGET_64BIT case.
1560         (memory_barrier): Do not generate memory_barrier_nosse instruction
1561         for TARGET_64BIT.
1562         * config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT.
1564 2008-11-26  Fredrik Unger  <fred@tree.se>
1566         * config/soft-fp/floatuntisf.c (__floatuntisf): Correct
1567         function name from __floatundisf.
1568         * config/soft-fp/fixdfti.c (__fixdfti): Correct argument type to
1569         DFtype.
1571 2008-11-25  Daniel Berlin  <dberlin@dberlin.org>
1572             Richard Guenther  <rguenther@suse.de>
1574         PR tree-optimization/37869
1575         * tree-ssa-structalias.c (struct constraint_graph): Remove
1576         pt_used and number_incoming members.
1577         (build_pred_graph): Do not allocate them.
1578         (condense_visit): Do not use them.
1579         (label_visit): Likewise.
1580         (free_var_substitution_info): Do not free them.
1582 2008-11-25  Vladimir Makarov  <vmakarov@redhat.com>
1584         * doc/invoke.texi (ira-max-loops-num): Change semantics.
1586         * ira-int.h (struct ira_loop_tree_node): New member to_remove_p.
1588         * ira-color.c (allocno_spill_priority): New function.
1589         (remove_allocno_from_bucket_and_push, push_allocno_to_spill):
1590         Print more info about the spilled allocno.
1591         (push_allocnos_to_stack): Use allocno_spill_priority.  Add more
1592         checks on bad spill.
1594         * ira-build.c (loop_node_to_be_removed_p): Remove.
1595         (loop_compare_func, mark_loops_for_removal): New functions.
1596         (remove_uneccesary_loop_nodes_from_loop_t): Use member
1597         to_remove_p.
1598         (remove_unnecessary_allocnos): Call mark_loops_for_removal.
1600         * ira.c (ira): Don't change flag_ira_algorithm.
1602         * params.def (ira-max-loops-num): Change the value.
1604 2008-11-25  Maxim Kuvyrkov  <maxim@codesourcery.com>
1606         * config/m68k/m68k.md (extendsidi2, extendsidi2_mem): Merge, clean up.
1607         Disable unsupported alternative for ColdFire,
1608         add new alternative that ColdFire can handle.
1610 2008-11-25  Eric Botcazou  <ebotcazou@adacore.com>
1612         * regrename.c (merge_overlapping_regs): Add registers artificially
1613         defined at the top of the basic block to the set of live ones just
1614         before the first insn.
1616 2008-11-25  H.J. Lu  <hongjiu.lu@intel.com>
1617             Joey Ye  <joey.ye@intel.com>
1619         PR middle-end/37843
1620         * config/i386/i386.c (ix86_function_ok_for_sibcall): Return
1621         false if we need to align the outgoing stack.
1622         (ix86_update_stack_boundary): Check parm_stack_boundary.
1624 2008-11-25  Richard Guenther  <rguenther@suse.de>
1626         PR middle-end/38151
1627         PR middle-end/38236
1628         * tree-ssa-alias.c (struct alias_info): Remove written_vars.
1629         Remove dereferenced_ptrs_store and dereferenced_ptrs_load
1630         in favor of dereferenced_ptrs.
1631         (init_alias_info): Adjust.
1632         (delete_alias_info): Likewise.
1633         (compute_flow_insensitive_aliasing): Properly
1634         include all aliased variables.
1635         (update_alias_info_1): Use dereferenced_ptrs.
1636         (setup_pointers_and_addressables): Likewise.
1637         (get_smt_for): Honor ref-all pointers and pointers with known alias
1638         set properly.
1639         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers.
1641 2008-11-25  Uros Bizjak  <ubizjak@gmail.com>
1643         PR target/38254
1644         * config/i386/sync.md (memory_barrier_nosse): New insn pattern.
1645         (memory_barrier): Generate memory_barrier_nosse insn for !TARGET_SSE2.
1647 2008-11-24  Maxim Kuvyrkov  <maxim@codesourcery.com>
1649         * config/m68k/m68k.md (cmpdi): Use (scratch) instead of pseudo.
1651 2008-11-24  Richard Sandiford  <rdsandiford@googlemail.com>
1653         * config/mips/mips.h (ASM_OUTPUT_DEBUG_LABEL): Define.
1655 2008-11-24  Maxim Kuvyrkov  <maxim@codesourcery.com>
1657         PR target/35018
1658         * config/m68k/m68k.md (ok_for_coldfire, enabled): New attributes.
1659         (addsi_lshrsi_31): Add ColdFire-friendly alternatives.
1661 2008-11-24  Uros Bizjak  <ubizjak@gmail.com>
1663         * config/i386/i386.md (UNSPECV_CMPXCHG): Rename from
1664         UNSPECV_CMPXCHG_[12].
1665         * config/i386/sync.md: Use UNSPECV_CMPXCHG instead of
1666         UNSPECV_CMPXCHG_[12].
1668         PR target/36793
1669         * config/i386/sync.md (memory_barrier): New expander.
1671 2008-11-24  Jakub Jelinek  <jakub@redhat.com>
1673         PR middle-end/37135
1674         * dse.c (find_shift_sequence): Optimize extraction from a constant.
1676 2008-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1678         * pa.c (function_arg): Revert 2008-10-26 change.
1680 2008-11-23  Helge Deller  <deller@gmx.de>
1682         * pa/linux-atomic.c (EBUSY): Define if not _LP64.
1683         (__kernel_cmpxchg): Return -EBUSY if the kernel LWS call
1684         succeeded and lws_ret is not equal to oldval.
1686 2008-11-23  Kaz Kojima  <kkojima@gcc.gnu.org>
1688         * config/sh/sh.md (consttable_4): Call mark_symbol_refs_as_used.
1690 2008-11-22  Andreas Schwab  <schwab@suse.de>
1692         * varasm.c (default_file_start): Suppress ASM_APP_OFF also with
1693         -dA and -dP.
1695 2008-11-22  Adam Nemet  <anemet@caviumnetworks.com>
1697         * config/mips/mips.md (rdhwr): Rename to rdhwr_synci_step_<mode>.
1698         Use constant 1 as the operand.
1699         * config/mips/mips.c (mips_expand_synci_loop): Make INC Pmode.
1700         Rename gen_rdhwr to gen_rdhwr_synci_step_si or
1701         gen_rdhwr_synci_step_di depending on the size of Pmode.
1703 2008-11-22  Uros Bizjak  <ubizjak@gmail.com>
1705         PR target/38222
1706         * config/i386/i386.md (SWI248): New mode iterator.
1707         (SWI32): Remove mode iterator.
1708         (popcount<mode>2): Rename from popcounthi2, popcountsi2 and
1709         popcounthi2 insn patterns. Macroize pattern using SWI248 mode
1710         iterator.  Generate popcnt mnemonic without mode extensions
1711         for Darwin x86 targets.
1712         (*popcount<mode>2_cmp): Ditto.
1713         (*popcountsi2_cmp_zext): Generate popcnt mnemonic without mode
1714         extensions for Darwin x86 targets.
1716 2008-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1718         * config/sparc/sparc.c (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define
1719         only if HAVE_AS_SPARC_UA_PCREL is defined.
1721 2008-11-22  Richard Sandiford  <rdsandiford@googlemail.com>
1723         * ira-costs.c (find_allocno_class_costs): Work out the maximum
1724         allocno_costs value of the classees with the lowest total_costs
1725         value.  Use this to set ALLOCNO_COVER_CLASS_COST here...
1726         (setup_allocno_cover_class_and_costs): ...rather than here.
1727         Use the ALLOCNO_COVER_CLASS_COST for all registers in the
1728         preferred class.
1730 2008-11-22  Jakub Jelinek  <jakub@redhat.com>
1732         PR middle-end/37323
1733         * builtins.c (expand_builtin_apply_args): Emit sequence before
1734         parm_birth_insn instead of after entry_of_function's first insn.
1736         PR middle-end/37316
1737         * function.c (assign_parm_remove_parallels): Pass
1738         data->passed_type as third argument to emit_group_store.
1740         PR target/37170
1741         * final.c (mark_symbol_refs_as_used): New function.
1742         * output.h (mark_symbol_refs_as_used): New prototype.
1743         * config/s390/s390.c (s390_mark_symbol_ref_as_used): Removed.
1744         (s390_output_pool_entry): Use mark_symbol_refs_as_used.
1745         * config/arm/arm.md (consttable_4): Likewise.
1747         PR target/37880
1748         * doc/invoke.texi: Adjust wording of -mcmodel=medium description.
1750 2008-11-21  Jakub Jelinek  <jakub@redhat.com>
1752         PR middle-end/38200
1753         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1754         propagate x = &a into *x = b if conversion from b to a's type is
1755         useless.
1757 2008-11-21  Eric Botcazou  <ebotcazou@adacore.com>
1759         * caller-save.c (insert_one_insn): Take into account REG_INC notes
1760         for the liveness computation of the new insn.
1762 2008-11-21  DJ Delorie  <dj@redhat.com>
1764         * config/stormy16/stormy16.md (movqi_internal, movhi_internal):
1765         Moves to/from below100 space (W) can only use r0-r7.
1767 2008-11-21  Paolo Carlini  <paolo.carlini@oracle.com>
1769         PR other/38214
1770         * doc/invoke.texi (Optimization Options): Fix typo.
1772 2008-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1773             Xuepeng Guo  <xuepeng.guo@intel.com>
1775         * config.gcc (extra_headers): For x86 and x86-64, remove
1776         gmmintrin.h, add immintrin.h and avxintrin.h.
1778         * config/i386/gmmintrin.h: Renamed to ...
1779         * config/i386/avxintrin.h: This.  Issue an error if
1780         _IMMINTRIN_H_INCLUDED is undedined.
1782         * config/i386/immintrin.h: New.
1784 2008-11-21  Jakub Jelinek  <jakub@redhat.com>
1786         PR target/38208
1787         * reload1.c (eliminate_regs_in_insn): For trunc_int_for_mode use
1788         mode of PLUS, not mode of the eliminated register.
1790 2008-11-21  Uros Bizjak  <ubizjak@gmail.com>
1792         * config/i386/mmx.md (mmx_nand<mode>3): Rename to mmx_andnot<mode>3.
1793         * config/i386/sse.md (avx_nand<mode>3): Rename to avx_andnot<mode>3.
1794         (<sse>_nand<mode>3): Rename to <sse>_andnot<mode>3.
1795         (sse2_nand<mode>3): Rename to sse2_andnot<mode>3.
1796         (*sse_nand<mode>3): Rename to *sse_andnot<mode>3.
1797         (*avx_nand<mode>3): Rename to *avx_andnot<mode>3.
1798         (*nand<mode>3): Rename to *andnot<mode>3.
1799         (*nandtf3): rename to *andnottf3.
1800         * config/i386/i386.c (bdesc_args) [IX86_BUILTIN_PANDN]:
1801         Use CODE_FOR_mmx_andnotv2si3.
1802         [IX86_BUILTIN_ANDNPS]: Use CODE_FOR_sse_andnotv4sf3.
1803         [IX86_BUILTIN_ANDNPD]: Use CODE_FOR_sse2_andnotv2df3.
1804         [IX86_BUILTIN_PANDN128]: Use CODE_FOR_sse2_andnotv2di3.
1805         [IX86_BUILTIN_ANDNPS256]: Use CODE_FOR_avx_andnotv8sf3.
1806         [IX86_BUILTIN_ANDNPD256]: Use CODE_FOR_avx_andnotv4df3.
1808 2008-11-21  Uros Bizjak  <ubizjak@gmail.com>
1810         PR middle-end/37908
1811         * config/ia64/ia64.c (ia64_expand_atomic_op): Properly handle NAND
1812         case by calculating ~(new_reg & val) instead of (~new_reg & val).
1813         * config/ia64/sync.md (sync_nand<mode>): Change insn RTX
1814         to (not:IMODE (and:IMODE (...))).
1815         (sync_old_nand<mode>): Ditto.
1816         (sync_new_nand<mode>): Ditto.
1818 2008-11-20  Joseph Myers  <joseph@codesourcery.com>
1820         * config/arm/thumb2.md (thumb2_casesi_internal,
1821         thumb2_casesi_internal_pic): Use earlyclobber for scratch operand 4.
1823 2008-11-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1825         * gcc/config/s390/s390.c (s390_expand_atomic): Adjust QI/HI atomic
1826         nand to the changed 4.4 semantic.
1828 2008-11-20  Jakub Jelinek  <jakub@redhat.com>
1830         PR middle-end/29215
1831         * builtins.c (SLOW_UNALIGNED_ACCESS): Define if not defined.
1832         (fold_builtin_memory_op): Handle even the case where just one
1833         of src and dest is an address of a var decl component, using
1834         TYPE_REF_CAN_ALIAS_ALL pointers.  Remove is_gimple_min_invariant
1835         and readonly_data_expr src check.
1836         * tree-ssa-sccvn.c (DFS): Use clear_and_done_ssa_iter to shut
1837         up warnings.
1839         PR rtl-optimization/36998
1840         * dwarf2out.c (stack_adjust_offset): Add cur_args_size and cur_offset
1841         arguments.  Handle sp = reg and (set (foo) (mem (pre_inc (reg sp)))).
1842         (compute_barrier_args_size_1, dwarf2out_frame_debug_expr): Adjust
1843         stack_adjust_offset callers.
1844         (dwarf2out_stack_adjust): Likewise.  Handle insns in annulled
1845         branches properly.
1846         (compute_barrier_args_size): Handle insns in annulled branches
1847         properly.
1849 2008-11-20  Uros Bizjak  <ubizjak@gmail.com>
1851         PR target/38151
1852         * config/i386/i386.c (classify_argument) [integer mode size <= 64bit]:
1853         Handle cases when integer argument crosses argument register boundary.
1855 2008-11-20  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1857         PR bootstrap/33100
1858         * config.gcc (i[34567]86-*-solaris2*): Don't include
1859         i386/t-crtstuff here.
1860         Move extra_parts, i386/t-sol2 in tmake_file to libgcc/config.host.
1861         * config/i386/t-sol2: Move to libgcc/config/i386.
1863 2008-11-20  Samuel Thibault  <samuel.thibault@ens-lyon.org>
1865         PR driver/21706
1866         * tlink.c: Include "libiberty.h".
1867         (initial_cwd): Change type into char *.
1868         (tlink_init): Call getpwd instead of getcwd.
1870 2008-11-19  Zdenek Dvorak  <ook@ucw.cz>
1872         PR rtl-optimization/32283
1873         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Use type of the base
1874         of the induction variable to decide whether it may wrap.
1875         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Emit the
1876         initialization of the bound before the loop.
1877         * simplify-rtx.c (simplify_binary_operation_1): Add two
1878         simplifications regarding AND.
1879         (simplify_plus_minus): Only fail if no simplification is possible.
1880         * loop-iv.c (simple_rhs_p): Consider reg + reg and reg << cst simple.
1882 2008-11-20  Jakub Jelinek  <jakub@redhat.com>
1884         PR c++/36631
1885         * gimplify.c (gimplify_call_expr): Defer most of the cannot inline
1886         checking until GIMPLE lowering.
1887         * gimple-low.c (check_call_args): New function.
1888         (lower_stmt) <case GIMPLE_CALL>: Call it.
1890 2008-11-19  Adam Nemet  <anemet@caviumnetworks.com>
1892         * config/mips/mips.c (mips_gimplify_va_arg_expr): Use -rsize
1893         with the same type as the first operand of the AND expression.
1895 2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>
1897         PR bootstrap/37859
1898         * ira-int.h (struct ira_loop_tree_node): New member
1899         entered_from_non_parent_p.
1901         * ira-color.c (print_loop_title): Print loop bbs.
1903         * ira-emit.c (entered_from_non_parent_p,
1904         setup_entered_from_non_parent_p): New functions.
1905         (not_modified_p): Rename to store_can_be_removed_p.  Check there
1906         is no side entries.
1907         (generate_edge_moves): Use store_can_be_removed_p instead of
1908         not_modified_p.
1909         (ira_emit): Call setup_entered_from_non_parent_p.
1911         * ira-build.c (copy_info_to_removed_store_destinations):
1912         Accumulate CALL_FREQ, CALL_CROSSED_NUM, and
1913         ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
1914         (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always
1915         update all accumulated attributes.
1917 2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>
1919         PR bootstrap/37790
1920         * ira-int.h (ira_copy_allocno_live_range_list,
1921         ira_merge_allocno_live_ranges, ira_allocno_live_ranges_intersect_p,
1922         ira_finish_allocno_live_range_list): New prototypes.
1923         (ira_allocno_live_ranges_intersect_p,
1924         ira_pseudo_live_ranges_intersect_p): Remove.
1926         * ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
1927         ira_pseudo_live_ranges_intersect_p): Rename to
1928         allocnos_have_intersected_live_ranges_p and
1929         pseudos_have_intersected_live_ranges_p.  Move them from here to ...
1931         * ira-color.c: ... here
1932         (coalesced_allocno_conflict_p): Use
1933         allocnos_have_intersected_live_ranges_p.
1934         (coalesced_allocnos_living_at_program_points,
1935         coalesced_allocnos_live_at_points_p,
1936         set_coalesced_allocnos_live_points): Remove.
1937         (slot_coalesced_allocnos_live_ranges,
1938         slot_coalesced_allocno_live_ranges_intersect_p,
1939         setup_slot_coalesced_allocno_live_ranges): New.
1940         (coalesce_spill_slots): Use ranges of coalesced allocnos.
1941         (ira_sort_regnos_for_alter_reg): Use
1942         allocnos_have_intersected_live_ranges_p.
1943         (ira_reuse_stack_slot): Use
1944         pseudos_have_intersected_live_ranges_p.
1946         * global.c (pseudo_for_reload_consideration_p): Check
1947         flag_ira_share_spill_slots too.
1949         * ira-build.c (copy_allocno_live_range_list): Rename to
1950         ira_copy_allocno_live_range_list.  Make it external.
1951         (merge_ranges): Rename to ira_merge_allocno_live_ranges.  Make it
1952         external.
1953         (ira_allocno_live_ranges_intersect_p): New.
1954         (ira_finish_allocno_live_range_list): New.
1955         (finish_allocno): Use it.
1956         (remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
1957         (copy_info_to_removed_store_destinations): Ditto.  Use
1958         ira_copy_allocno_live_range_list.
1959         (ira_flattening): Use ira_merge_allocno_live_ranges.
1961         * ira.c (too_high_register_pressure_p): New function.
1962         (ira): Switch off sharing spill slots if the pressure is too high.
1964 2008-11-19  Richard Guenther  <rguenther@suse.de>
1966         * tree.c (build2_stat): Allow non-POINTER_PLUS_EXPRs with
1967         non-sizetype offsets if their precision matches that of the pointer.
1968         * expr.c (expand_expr_real_1): Always sign-extend the offset
1969         operand of a POINTER_PLUS_EXPR.
1971 2008-11-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1973         * config.gcc: Unobsolete mips-sgi-irix[56]*.
1974         (mips-sgi-irix[56]*): No need to use fixproto.
1976 2008-11-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1977             Paul Brook  <paul@codesourcery.com>
1979         * config/m68k/lb1sf68.asm: Add GNU-stack annotation to avoid
1980         executable stack.
1982 2008-11-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
1984         * config/m68k/m68k.c (sched_attr_op_type): Handle all CONSTs.
1986 2008-11-19  Razya Ladelsky  <razya@il.ibm.com>
1988         PR target/38156
1989         * tree-parloops.c (loop_parallel_p): NULL vect_dump.
1990         (separate_decls_in_region): Create shared struct even when there
1991         are only reductions.
1993 2008-11-19  Hariharan Sandanagobalane  <hariharan@picochip.com>
1995         * config/picochip/picochip.c (headers): Remove an unnecessary
1996         header file.
1998 2008-11-19  Andrew Stubbs  <ams@codesourcery.com>
2000         PR target/36133
2001         * config/m68k/m68k.h (CC_OVERFLOW_UNUSABLE, CC_NO_CARRY): New defines.
2002         * config/m68k/m68k.c (notice_update_cc): Set cc_status properly for
2003         shift instructions.
2004         * config/m68k/m68k.md: Adjust all conditional branches that use the
2005         carry and overflow flags so they understand CC_OVERFLOW_UNUSABLE.
2007 2008-11-18  Uros Bizjak  <ubizjak@gmail.com>
2009         PR target/37362
2010         * config/mips/mips.md (move_doubleword_fpr<mode>): Check that "high"
2011         is a register or zero operand in the correct mode before generating
2012         mtch1 insn or a register operand in the correct mode before generating
2013         mfch1 insn.
2014         (mtch1<mode>): Correct operand 1 predicate to reg_or_0_operand.
2016 2008-11-18  Adam Nemet  <anemet@caviumnetworks.com>
2018         * config.gcc (mips*-sde-elf*): Handle mipsisa64r2*.
2019         (mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add new cases to
2020         mipsisa*-*-elf*.  Handle mipsisa64r2*.
2021         * config/mips/sde.h (LINK_SPEC): Handle -mips64r2.
2022         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
2023         mips64r2.
2024         (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64.
2025         * config/mips/t-sde (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
2026         mips64r2.
2027         (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64.  Add mips64r2/mips16.
2028         Fix mips16 if mips64 or mips64r2 are multilib defaults.
2029         * config/mips/t-sdemtk (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
2030         mips64r2.
2032 2008-11-18  Jakub Jelinek  <jakub@redhat.com>
2034         PR target/38130
2035         * config/i386/i386.md (allocate_stack_worker_32,
2036         allocate_stack_worker_64): Don't use match_dup between input and
2037         output operand.
2038         (allocate_stack): Adjust gen_stack_worker_{32,64} caller.
2039         * config/i386/i386.c (ix86_expand_prologue): Likewise.
2041 2008-11-18  Kai Tietz  <kai.tietz@onevision.com>
2043         * config/i386/t-cygming (SHLIB_LINK): Make sure that $(SHLIB_MAP).def
2044         is forced when trying to do a symbol link for it.
2046 2008-11-17  Adam Nemet  <anemet@caviumnetworks.com>
2048         * expmed.c (extract_bit_field_1): Also use a temporary and
2049         convert_extracted_bit_field when the conversion from ext_mode to
2050         the target mode requires explicit truncation.
2052 2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>
2054         * config/mips/mips.h (REG_ALLOC_ORDER): Put accumulators first.
2055         Tweak formatting.
2056         * config/mips/mips.c (mips_ira_cover_classes): Don't use accumulator
2057         registers when not optimizing.
2059 2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>
2061         * config/mips/mips.md (*mul_acc_si): Remove middle alternative
2062         and its associated define_split.  Expose the all-d alternative
2063         to the register allocator, but mark it with "?".  Mark the first
2064         alternative with "*?*?".
2065         (*mul_sub_si): Likewise.
2066         (*mul_acc_si_r3900): New pattern.
2068 2008-11-17  Jakub Jelinek  <jakub@redhat.com>
2070         PR middle-end/38140
2071         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If
2072         propagating x = &a into *x = b, add a cast if not useless
2073         type conversion or don't optimize if another stmt would be
2074         needed.
2076 2008-11-17  Uros Bizjak  <ubizjak@gmail.com>
2078         PR middle-end/37908
2079         * optabs.c (expand_sync_operation): Properly handle NAND case
2080         by calculating ~(t1 & val) instead of (~t1 & val).
2081         * builtins.c (expand_builtin_sync_operation): Warn for changed
2082         semantics in NAND builtins.
2083         * c.opt (Wsync-nand): New warning option.  Describe -Wsync-nand.
2085         * doc/invoke.texi (Warning options): Add Wsync-nand.
2086         * doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct
2087         __sync_fetch_and_nand builtin operation in the example.  Add a note
2088         about changed semantics in GCC 4.4.
2089         [__sync_nand_and_fetch]: Correct __sync_nand_and_fetch builtin
2090         operation in the example.  Add a note about changed semantics in
2091         GCC 4.4.
2093 2008-11-16  Jan Hubicka  <jh@suse.cz>
2095         * cgraph.c (cgraph_function_body_availability): Fix test of externally
2096         visible.
2098 2008-11-16  Joshua Kinard  <kumba@gentoo.org>
2100         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Map -march=r1[0246]000
2101         to -mips4.
2103 2008-11-16  Richard Sandiford  <rdsandiford@googlemail.com>
2105         PR target/38052
2106         * config/mips/mips.c (mips_cfun_call_saved_reg_p)
2107         (mips_cfun_might_clobber_call_saved_reg_p): New functions,
2108         split out from...
2109         (mips_save_reg_p): ...here.  Always consult TARGET_CALL_SAVED_GP
2110         rather than call_really_used_regs when handling $gp.
2112 2008-11-16  Richard Sandiford  <rdsandiford@googlemail.com>
2114         PR target/38052
2115         * config/mips/mips.c (machine_function): Update the comment
2116         above global_pointer.
2117         (mips_global_pointer): Use INVALID_REGNUM rather than 0 to indicate
2118         that a function doesn't need a global pointer.
2119         (mips_current_loadgp_style): Update accordingly.
2120         (mips_restore_gp): Likewise.
2121         (mips_output_cplocal): Likewise.
2122         (mips_expand_prologue): Likewise.
2124 2008-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2126         * config/sparc/sparc.c (function_arg_vector_value): Remove 'base_mode'
2127         parameter.  Use DImode for computing the number of registers.
2128         (function_arg): Adjust for above change.
2129         (function_value): Likewise.
2131 2008-11-15  Zdenek Dvorak  <ook@ucw.cz>
2133         PR tree-optimization/37950
2134         * tree-flow-inline.h (memory_partition): Return NULL when aliases were
2135         not computed for the current function.
2137 2008-11-15  Jakub Jelinek  <jakub@redhat.com>
2139         PR target/38123
2140         * config/i386/i386.c (ix86_gimplify_va_arg): Don't share valist between
2141         gpr and other COMPONENT_REFs.
2143 2008-11-15  Richard Guenther  <rguenther@suse.de>
2145         PR tree-optimization/38051
2146         * tree-ssa-alias.c (update_alias_info_1): Manually find
2147         written variables.
2149 2008-11-15  Joshua Kinard  <kumba@gentoo.org>
2151         * doc/invoke.texi (-mfix-r10000): Document.
2152         * config/mips/mips.opt (mfix-r10000): New option.
2153         * config/mips/mips-protos.h (mips_output_sync_loop): Declare.
2154         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Use %?.
2155         (MIPS_COMPARE_AND_SWAP_12): Likewise.
2156         (MIPS_SYNC_OP): Likewise.
2157         (MIPS_SYNC_OP_12): Likewise.
2158         (MIPS_SYNC_OLD_OP_12): Likewise.
2159         (MIPS_SYNC_NEW_OP_12): Likewise.
2160         (MIPS_SYNC_OLD_OP): Likewise.
2161         (MIPS_SYNC_NAND): Likewise.
2162         (MIPS_SYNC_OLD_NAND): Likewise.
2163         (MIPS_SYNC_EXCHANGE): Likewise.
2164         (MIPS_SYNC_EXCHANGE_12): Likewise.
2165         (MIPS_SYNC_NEW_OP): Likewise, using %~ to fill branch-likely
2166         delay slots.
2167         (MIPS_SYNC_NEW_NAND): Likewise.
2168         * config/mips/mips.c (mips_print_operand_punctuation): Handle '~'.
2169         (mips_init_print_operand_punct): Treat '~' as a punctuation character.
2170         (mips_output_sync_loop): New function.
2171         (mips_override_options): Make -march=r10000 imply -mfix-r10000.
2172         Make -mfix-r10000 require branch-likely instructions.
2173         * config/mips/sync.md (sync_compare_and_swap<mode>): Use
2174         mips_output_sync_loop.
2175         (compare_and_swap_12): Likewise.
2176         (sync_add<mode>): Likewise.
2177         (sync_<optab>_12): Likewise.
2178         (sync_old_<optab>_12): Likewise.
2179         (sync_new_<optab>_12): Likewise.
2180         (sync_nand_12): Likewise.
2181         (sync_old_nand_12): Likewise.
2182         (sync_new_nand_12): Likewise.
2183         (sync_sub<mode>): Likewise.
2184         (sync_old_add<mode>): Likewise.
2185         (sync_old_sub<mode>): Likewise.
2186         (sync_new_add<mode>): Likewise.
2187         (sync_new_sub<mode>): Likewise.
2188         (sync_<optab><mode>): Likewise.
2189         (sync_old_<optab><mode>): Likewise.
2190         (sync_new_<optab><mode>): Likewise.
2191         (sync_nand<mode>): Likewise.
2192         (sync_old_nand<mode>): Likewise.
2193         (sync_new_nand<mode>): Likewise.
2194         (sync_lock_test_and_set<mode>): Likewise.
2195         (test_and_set_12): Likewise.
2197 2008-11-15  Eric Botcazou  <ebotcazou@adacore.com>
2199         * gcc.c (cc1_options): Fix comment.
2201 2008-11-15  Jakub Jelinek  <jakub@redhat.com>
2203         PR c++/37561
2204         * c-typeck.c (build_unary_op): Don't call get_unwidened.  Use
2205         argtype instead of result_type.
2207 2008-11-14  Adam Nemet  <anemet@caviumnetworks.com>
2209         * ira-int.h (struct ira_loop_tree_node): Improve comments for
2210         subloop_next/next and subloops/childen fields.
2212 2008-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2214         * config/spu/spu-elf.h (STANDARD_STARTFILE_PREFIX_2): Disable default.
2215         (STANDARD_INCLUDE_DIR): Redefine to "/include".
2216         (LOCAL_INCLUDE_DIR): Undefine.
2217         * config/spu/t-spu-elf (NATIVE_SYSTEM_HEADER_DIR): Define.
2219 2008-11-14  Vladimir Makarov  <vmakarov@redhat.com>
2221         PR rtl-optimization/37397
2222         * ira-int.h (struct ira_allocno): New member bad_spill_p.
2223         (ALLOCNO_BAD_SPILL_P): New macro.
2225         * ira-color.c (push_allocnos_to_stack): Check ALLOCNO_BAD_SPILL_P.
2227         * ira-build.c (ira_create_allocno): Initialize ALLOCNO_BAD_SPILL_P.
2228         (create_cap_allocno, propagate_allocno_info,
2229         remove_unnecessary_allocnos): Set up or update ALLOCNO_BAD_SPILL_P.
2230         (update_bad_spill_attribute): New function.
2231         (ira_build): Call it.
2233         * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P.
2235 2008-11-14  Jakub Jelinek  <jakub@redhat.com>
2237         PR tree-optimization/38104
2238         * gimplify.c (gimple_regimplify_operands): Add referenced vars
2239         before calling mark_symbols_for_renaming, not after it.
2241 2008-11-14  Kaz Kojima  <kkojima@gcc.gnu.org>
2243         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Revert last change.
2244         (OVERRIDE_OPTIONS): Likewise.
2246 2008-11-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
2247             Andrew Stubbs  <ams@codesourcery.com>
2248             Gunnar Von Boehn  <gunnar@genesi-usa.com>
2250         PR target/36134
2251         * config/m68k/m68k.md (addsi3_5200): Add a new alternative preferring
2252         the shorter LEA insn over ADD.L where possible.
2254 2008-11-14  Thomas Schwinge  <tschwinge@gnu.org>
2256         * configure.ac (gcc_cv_libc_provides_ssp): Also consider GNU/Hurd
2257         systems, which are assumend to always provide SSP-support in glibc.
2258         Also consider GNU/kFreeBSD, GNU/kNetBSD systems in the `*-*-linux*'
2259         case.
2260         * configure: Regenerate.
2262 2008-11-14  Jakub Jelinek  <jakub@redhat.com>
2264         PR middle-end/36125
2265         * function.c (gimplify_parameters): For callee copies parameters,
2266         move TREE_ADDRESSABLE flag from the PARM_DECL to the local copy.
2268 2008-11-13  Thomas Schwinge  <tschwinge@gnu.org>
2270         PR target/28102
2271         * config.gcc (*-*-gnu*): Move Alpha parts into the `alpha*-*-gnu*',
2272         x86 parts into the `i[34567]86-*-linux*' and parts that are
2273         independent of the processor architecture into the `*-*-linux*' cases.
2274         (*-*-linux*): Consider `linux.opt' only for Linux-based configurations.
2275         * config/i386/gnu.h (GLIBC_DYNAMIC_LINKER): Redefine.
2276         (TARGET_OS_CPP_BUILTINS, LINK_SPEC): Don't redefine.
2277         [TARGET_LIBC_PROVIDES_SSP] (TARGET_THREAD_SSP_OFFSET): Undefine.
2278         * config/gnu.h (NO_IMPLICIT_EXTERN_C): Don't redefine.
2279         (HURD_TARGET_OS_CPP_BUILTINS): Don't define, but instead...
2280         (LINUX_TARGET_OS_CPP_BUILTINS): Redefine.
2282 2008-11-13  Ruan Beihong  <ruanbeihong@gmail.com>
2284         * config/mips/loongson.md (<u>div<mode>3, <u>mod<mode>3): New patterns.
2285         * config/mips/loongson2ef.md (ls2_imult): Handle imul3nc.
2286         (ls2_idiv): Likewise idiv3.
2287         (ls2_prefetch): New reservation.
2288         * config/mips/mips.h (ISA_HAS_PREFETCH): Add TARGET_LOONGSON_2EF.
2289         * config/mips/mips.md (type): Add imul3nc and idiv3.
2290         (length): Handle idiv3.
2291         (any_mod): New code_iterator.
2292         (u): Handle MOD and UMOD.
2293         (mul<mode>3): Generate mul<mode>3_mul3_ls2ef on Loongson targets.
2294         (prefetch): Handle TARGET_LOONGSON_2EF.
2296 2008-11-13  Jakub Jelinek  <jakub@redhat.com>
2298         PR c++/27017
2299         * dwarf2out.c (prune_unused_types_walk_local_classes): New function.
2300         (prune_unused_types_walk): Call it for non-perennial local classes.
2301         Set die_mark to 2 if recursing on children.  If die_mark is 1 on
2302         entry, just set it to 2 and recurse on children, don't walk attributes
2303         again.
2305 2008-11-13  Martin Michlmayr  <tbm@cyrius.com>
2307         * c-common.c (warn_about_parentheses): Add missing whitespace
2308         in warning.
2310 2008-11-13  Paul Brook  <paul@codesourcery.com>
2312         * doc/invoke.texi: Document --fix-cortex-m3.
2313         * config/arm/arm.c (arm_override_options): Set fix_cm3_ldrd if
2314         Cortex-M3 cpu is selected.
2315         (output_move_double): Avoid overlapping base register and first
2316         destination register when fix_cm3_ldrd.
2317         * config/arm/arm.opt: Add mfix-cortex-m3-ldrd.
2319 2008-11-13  Jakub Jelinek  <jakub@redhat.com>
2321         PR bootstrap/38100
2322         * gimple.h (gimple_range_check_failed): Remove prototype.
2323         * gimple.c (gimple_check_failed): Don't check GCC_VERSION
2324         in guarding #if.
2325         (gimple_range_check_failed): Removed.
2327 2008-11-13  Andrew Haley  <aph@redhat.com>
2329         PR bootstrap/38088
2330         * mcf.c (CAP_INFINITY): Use HOST_WIDEST_INT maximum, not GCC specific
2331         __LONG_LONG_MAX__.
2333 2008-11-12  Jakub Jelinek  <jakub@redhat.com>
2335         PR c++/36478
2336         Revert:
2337         2007-05-07  Mike Stump  <mrs@apple.com>
2338         * doc/invoke.texi (Warning Options): Document that -Wempty-body
2339         also checks for and while statements in C++.
2341 2008-11-12  Dodji Seketeli  <dodji@redhat.com>
2343         PR debug/27574
2344         * cgraph.h: New abstract_and_needed member to struct cgraph_node.
2345         * cgraphunit.c (cgraph_analyze_functions): Flag abstract functions
2346         - which clones are reachable - as "abstract and needed".
2347         * cgraph.c (cgraph_release_function_body):  If a node is
2348         "abstract and needed", do not release its DECL_INITIAL() content
2349         that will be needed to emit debug info.
2351 2008-11-12  Steve Ellcey  <sje@cup.hp.com>
2353         PR target/27880
2354         * configure.ac (GCC_CHECK_UNWIND_GETIPINFO): Use this macro
2355         to set HAVE_GETIPINFO.
2356         * aclocal.m4: Include ../config/unwind_ipinfo.m4.
2357         * configure: Regenerate.
2358         * config.in: Regenerate.
2360 2008-11-12  Jack Howarth  <howarth@bromo.med.uc.edu>
2362         PR bootstrap/38010
2363         * gcc/config.gcc: Use darwin9.h on darwin10 as well.
2365 2008-11-12  Jakub Jelinek  <jakub@redhat.com>
2367         Revert:
2368         2008-10-21  Jakub Jelinek  <jakub@redhat.com>
2369         * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs.
2371 2008-11-12  Jason Merrill  <jason@redhat.com>
2373         PR c++/38007
2374         * c-common.c (c_common_signed_or_unsigned_type): Remove C++
2375         special casing.
2377 2008-11-12  Anatoly Sokolov  <aesok@post.ru>
2379         * config/avr/avr.c (avr_mcu_t): Add atmega16hvb, atmega32hvb,
2380         atmega4hvd, atmega8hvd, atmega64c1, atmega64m1, atmega16u4 and
2381         atmega32u6 devices.
2382         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2383         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2385 2008-11-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2387         * gcc/config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Remove
2388         packed-stack special handling.
2389         (FRAME_ADDR_RTX): Add definition.
2391 2008-11-12  Jakub Jelinek  <jakub@redhat.com>
2393         PR target/35366
2394         * fold-const.c (native_encode_string): New function.
2395         (native_encode_expr): Use it for STRING_CST.
2397 2008-11-12  DJ Delorie  <dj@redhat.com>
2399         * config/m32c/cond.md (cond_to_int peephole2): Don't eliminate the
2400         insns if the intermediate value will be used later.
2402 2008-11-12  Andreas Schwab  <schwab@suse.de>
2404         * config/m68k/m68k.c (print_operand): Mask off extra extension
2405         bits when writing out the representation of real values.
2407 2008-11-12  Ira Rosen  <irar@il.ibm.com>
2409         PR tree-optimization/38079
2410         * tree-vect-analyze.c (vect_analyze_data_refs): Replace dump_file
2411         with vect_dump.
2413 2008-11-12  Jakub Jelinek  <jakub@redhat.com>
2415         PR c++/35334
2416         * c-pretty-print.c (pp_c_complex_expr): New function.
2417         (pp_c_postfix_expression) <case COMPLEX_EXPR>: Call it.
2419         PR target/35366
2420         * expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment
2421         than INNER and INNER is a constant, forcibly align INNER as much
2422         as needed.
2424 2008-11-11  Richard Sandiford  <rdsandiford@googlemail.com>
2426         * cse.c (fold_rtx): Remove redundant gen_rtx_CONST.
2428 2008-11-11  Richard Sandiford  <rdsandiford@googlemail.com>
2430         PR rtl-optimization/37363
2431         * simplify-rtx.c (simplify_plus_minus): Don't create
2432         (const (minus ...)) expresisons.
2434 2008-11-11  Eric Botcazou  <ebotcazou@adacore.com>
2436         * ira-lives.c (process_bb_node_lives): Restore EH_RETURN_DATA_REGNO
2437         handling.
2439 2008-11-10  Catherine Moore  <clm@codesourcery.com>
2441         * config.gcc (mips64vrel-*-elf*): Include the tm_file
2442         prior to vr.h.
2443         * config/mips/linux.h (LINUX_DRIVER_SELF_SPECS): New.
2444         (BASE_DRIVER_SELF_SPECS): Remove.
2445         (DRIVER_SELF_SPECS): New definition.
2446         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Include
2447         BASE_DRIVER_SELF_SPECS.
2448         * config/mips/sde.h: Likewise.
2449         * config/mips/iris6.h: Likewise.
2450         * config/mips/vr.h: Likewise.
2451         * config/mips/mips.h (BASE_DRIVER_SELF_SPECS): New.
2453 2008-11-10  Vladimir Makarov  <vmakarov@redhat.com>
2455         PR rtl-optimizations/37948
2456         * ira-int.h (struct ira_allocno_copy): New member constraint_p.
2457         (ira_create_copy, ira_add_allocno_copy): New parameter.
2459         * ira-conflicts.c (process_regs_for_copy): New parameter.  Pass it
2460         to ira_add_allocno_copy.
2461         (process_reg_shuffles, add_insn_allocno_copies): Pass a new
2462         parameter to process_regs_for_copy.
2463         (propagate_copies): Pass a new parameter to ira_add_allocno_copy.
2464         Fix typo in passing second allocno to ira_add_allocno_copy.
2466         * ira-color.c (update_conflict_hard_regno_costs): Use head of
2467         coalesced allocnos list.
2468         (assign_hard_reg): Ditto.  Check that assigned allocnos are not in
2469         the graph.
2470         (add_ira_allocno_to_bucket): Rename to add_allocno_to_bucket.
2471         (add_ira_allocno_to_ordered_bucket): Rename to
2472         add_allocno_to_ordered_bucket.
2473         (push_ira_allocno_to_stack): Rename to push_allocno_to_stack.  Use
2474         head of coalesced allocnos list.
2475         (push_allocnos_to_stack): Remove calculation of ALLOCNO_TEMP.
2476         Check that it is aready calculated.
2477         (push_ira_allocno_to_spill): Rename to push_ira_allocno_to_spill.
2478         (setup_allocno_left_conflicts_num): Use head of coalesced allocnos
2479         list.
2480         (coalesce_allocnos): Do extended coalescing too.
2482         * ira-emit.c (add_range_and_copies_from_move_list): Pass a new
2483         parameter to ira_add_allocno_copy.
2485         * ira-build.c (ira_create_copy, ira_add_allocno_copy): Add a new
2486         parameter.
2487         (print_copy): Print copy origination too.
2489         * ira-costs.c (scan_one_insn): Use alloc_pref for load from
2490         equivalent memory.
2492 2008-11-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2494         PR rtl-optimization/37514
2495         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set
2496         flag_ira_share_spill_slots to 2 if it's already non-zero.
2497         (OVERRIDE_OPTIONS): Clear flag_ira_share_spill_slots if
2498         flag_ira_share_spill_slots is 2.
2500 2008-11-10  Kevin Buettner  <kevinb@redhat.com>
2502         * config/m32c/prologue.md (prologue_enter_16): Set FB to SP - 2.
2503         (prologue_enter_32): Set FB to SP - 4.
2505 2008-11-10  DJ Delorie  <dj@redhat.com>
2507         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add ImB
2508         constraint for single-bit-clear in lower byte of HI constant, vs
2509         Imb which just ignores the upper byte.
2510         * config/m32c/predicates.md (m32c_1mask8_operand): Use it.
2511         * config/m32c/bitops.md (andhi3_16, andhi3_24): Use it.
2512         (iorhi3_16): Check for single bit set, not single bit clear.
2514 2008-11-10  Janis Johnson  <janis187@us.ibm.com>
2516         * doc/sourcebuild.texi (Torture Tests): Fix formatting for bullets.
2518         * doc/sourcebuild.texi (Torture Tests): Fix formatting in example.
2520 2008-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2522         * calls.c (store_unaligned_arguments_into_pseudos): Deal only with
2523         values living in memory and use more precise alignment information.
2525 2008-11-10  Jakub Jelinek  <jakub@redhat.com>
2527         PR middle-end/35314
2528         * tree-mudflap.c (mf_build_check_statement_for): Split then_block
2529         after __mf_check call if the call must end a bb.
2531 2008-11-10  Ralph Loader  <suckfish@ihug.co.nz>
2533         PR middle-end/37807
2534         PR middle-end/37809
2535         * combine.c (force_to_mode): Do not process vector types.
2537         * rtlanal.c (nonzero_bits1): Do not process vector types.
2538         (num_sign_bit_copies1): Likewise.
2540 2008-11-09  Thomas Schwinge  <tschwinge@gnu.org>
2542         * config/i386/gnu.h: Add copyright and licensing header.
2543         * config/gnu.h: Likewise.
2545 2008-11-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2547         * fwprop.c (fwprop_done): Call df_remove_problem.
2549 2008-11-07  Sebastian Pop  <sebastian.pop@amd.com>
2551         PR middle-end/37379
2552         * tree-scalar-evolution.c (instantiate_scev_1): Return
2553         chrec_dont_know for VL_EXP_CLASS_P.
2555 2008-11-06  Uros Bizjak  <ubizjak@gmail.com>
2557         * reg-stack.c (reg_to_stack): Add missing braces in memset
2558         size calculation.
2560 2008-11-06  Andrew Stubbs  <ams@codesourcery.com>
2562         * config/arm/bpabi.h (PROFILE_HOOK): New undef.
2563         (NO_PROFILE_COUNTERS): New define.
2565 2008-11-06  David Edelsohn  <edelsohn@gnu.org>
2567         PR target/26397
2568         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Define.
2570 2008-11-06  Kazu Hirata  <kazu@codesourcery.com>
2572         PR target/35574
2573         * config/sparc/constraints.md (D): New.
2574         * config/sparc/predicates.md (const_double_or_vector_operand): New.
2575         * config/sparc/sparc.c (sparc_extra_constraint_check): Handle the
2576         'D' constraint.
2577         * config/sparc/sparc.md (*movdf_insn_sp32_v9, *movdf_insn_sp64):
2578         Use the 'D' constraint in addition to 'F' in some alternatives.
2579         (DF splitter): Generalize for V64mode.
2580         * doc/md.texi (SPARC): Document the 'D' constraint.
2582 2008-11-06  Uros Bizjak  <ubizjak@gmail.com>
2584         * reg-stack.c (reg_to_stack): Generate +QNaN using real_nan.
2586 2008-11-06  Ben Elliston  <bje@au.ibm.com>
2588         * gcc.c: Remove ancient comment about a bug in Sun cc.
2590 2008-11-05  Janis Johnson  <janis187@us.ibm.com>
2592         * doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.
2594 2008-11-06  Ben Elliston  <bje@au.ibm.com>
2596         * config/rs6000/rs6000.c (rs6000_override_options): Comment fix.
2598 2008-11-06  Ben Elliston  <bje@au.ibm.com>
2600         * config/rs6000/rs6000.opt (mwarn-cell-microcode): Improve option
2601         description.
2603 2008-11-05  Hans-Peter Nilsson  <hp@axis.com>
2605         PR target/38016
2606         * config/cris/cris.c (cris_order_for_addsi3): Test for !REG_P, not
2607         just MEM_P.
2609 2008-11-05  Martin Jambor  <mjambor@suse.cz>
2611         PR middle-end/37861
2612         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't turn
2613         pointer arithmetics into array_ref if the array is accessed
2614         through an indirect_ref.
2616 2008-11-05  Richard Guenther  <rguenther@suse.de>
2618         PR middle-end/37742
2619         * tree-ssa.c (useless_type_conversion_p_1): Check different restrict
2620         qualified pointer conversion before stripping qualifiers.
2621         * gimplify.c (create_tmp_from_val): Use correctly qualified type.
2622         * tree-flow.h (may_propagate_address_into_dereference): Declare.
2623         * tree-ssa-ccp.c (may_propagate_address_into_dereference): New
2624         function.
2625         (ccp_fold): Use it.
2626         * tree-ssa-forwprop.c (rhs_to_tree): Remove useless conversions,
2627         properly canonicalize binary ops.
2628         (forward_propagate_addr_expr_1): Use
2629         may_propagate_address_into_dereference.
2631 2008-11-05  Uros Bizjak  <ubizjak@gmail.com>
2633         PR middle-end/37286
2634         * reg-stack.c (subst_stack_regs_pat) [MINUS, DIV, MULT, PLUS]:
2635         Initialize uninitialized input registers with a NaN.
2637 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2639         PR middle-end/37833
2641         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
2643 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2645         PR middle-end/37943
2647         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
2648         exits and conditions.
2649         * testsuite/gcc.dg/graphite/pr37943.c: New.
2651 2008-11-04  Jakub Jelinek  <jakub@redhat.com>
2652             Andrew Pinski  <andrew_pinski@playstation.sony.com>
2654         PR c/35430
2655         * c-common.c (warn_for_sign_compare): For complex result_type
2656         use component's type.
2658 2008-11-04  Jakub Jelinek  <jakuB@redhat.com>
2660         * print-tree.c (print_node): Use code instead of TREE_CODE (node).
2662         * print-tree.c (print_node): Don't print DECL_INITIAL
2663         for PARM_DECL.
2665         PR c/37106
2666         * c-common.c (parse_optimize_options): Save and restore
2667         flag_strict_aliasing around decode_options call.
2669 2008-11-04  Uros Bizjak  <ubizjak@gmail.com>
2671         * config/i386/driver-i386.c (enum vendor_signatures): New enum.
2672         (host_detect_local_cpu): Use it instead of casted strings to
2673         compare vendor signatures.
2675 2008-11-03  Mikael Pettersson  <mikpe@it.uu.se>
2677         PR target/37989
2678         * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Only add libgcc_s.a
2679         or libgcc_eh.a to spec if ENABLE_SHARED_LIBGCC.
2681 2008-11-03  Catherine Moore  <clm@codesourcery.com>
2683         * config/mips.c (mips_conditional_register_usage):  Handle the
2684         DSP control register.
2685         * doc/extend.texi: Document the DSP control register.
2687 2008-11-03  Steve Ellcey  <sje@cup.hp.com>
2688             Jakub Jelinek  <jakub@redhat.com>
2690         * omp-low.c (expand_omp_for_generic): If iter_type has different
2691         precision than type and type is a pointer type, cast n1 and n2
2692         first to an integer type with the same precision as pointers
2693         and only afterwards to iter_type.
2695 2008-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
2697         * config/arm/arm.md (UNSPEC_PIC_BASE): Update documentation.
2698         (UNSPEC_GOTSYM_OFF): New unspec.
2699         (pic_add_dot_plus_four): Simplify the UNSPEC_PIC_BASE operands.
2700         (pic_add_dot_plus_eight): Likewise.
2701         (tls_load_dot_plus_eight): Likewise.  Update peephole2.
2702         * config/arm/thumb2.md (pic_load_dot_plus_four): Simplify the
2703         UNSPEC_PIC_BASE operands.
2704         * config/arm/arm.c (arm_load_pic_register): Use UNSPEC_GOTSYM_OFF.
2705         (arm_output_addr_const_extra): Handle it.
2707 2008-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2709         * config/i386/i386.c (classify_argument) <ARRAY_TYPE>: Promote partial
2710         integer class to full integer class if the offset is not word-aligned.
2712 2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2714         PR rtl-opt/37782
2715         * loop-doloop.c (doloop_modify): Add from_mode argument that says what
2716         mode count is in.
2717         (doloop_optimize): Update call to doloop_modify.
2719 2008-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2721         * tree-sra.c (bitfield_overlaps_p): Fix oversight.
2723 2008-11-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2725         PR other/37463
2726         * configure.ac (gcc_cv_ld_ro_rw_mix): Move before
2727         gcc_cv_as_cfi_directive.
2728         (gcc_cv_as_cfi_directive) [*-*-solaris*]: Check if linker supports
2729         merging read-only and read-write sections or assembler emits
2730         read-write .eh_frame sections.
2731         * configure: Regenerate.
2733 2008-11-03  Nathan Froyd  <froydnj@codesourcery.com>
2735         Revert:
2736         2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>
2738         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
2739         problem.
2740         (rs6000_emit_prologue): Invert logic.
2741         * config/rs6000/rs6000.md (*save_gpregs_<mode>): Use explicit
2742         (reg:P 11) instead of match_operand.
2743         (*save_fpregs_<mode>): Likewise.
2744         (*restore_gpregs_<mode>): Likewise.
2745         (*return_and_restore_gpregs_<mode>): Likewise.
2746         (*return_and_restore_fpregs_<mode>): Likewise.
2747         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit
2748         (reg:P 11) insted of match_operand.
2749         (*restore_gpregs_spe): Likewise.
2750         (*return_and_restore_gpregs_spe): Likewise.
2752 2008-11-03  Harsha Jagasia  <harsha.jagasia@amd.com>
2754         PR tree-optimization/37684
2755         * gcc.dg/graphite/pr37684.c: New.
2756         * graphite.c (exclude_component_ref): New.
2757         (is_simple_operand): Call exclude_component_ref.
2759 2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2761         PR tree-optimization/36908
2762         * testsuite/gcc.dg/tree-ssa/pr36908.c: New.
2763         * tree-loop-distribution.c (number_of_rw_in_rdg): New.
2764         (number_of_rw_in_partition): New.
2765         (partition_contains_all_rw): New.
2766         (ldist_gen): Do not distribute when one of the partitions
2767         contains all the memory operations.
2769 2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2771         * cfghooks.c (split_block): Set BB_IRREDUCIBLE_LOOP and
2772         EDGE_IRREDUCIBLE_LOOP.
2774 2008-11-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2776         * config/bfin/bfin.c (bfin_optimize_loop): Properly handle case
2777         where we have one entry point in the loop which isn't the head.
2779 2008-11-03  Richard Guenther  <rguenther@suse.de>
2781         PR middle-end/37573
2782         * tree-data-ref.c (split_constant_offset_1): Fix tuplification.
2784 2008-11-03  Jakub Jelinek  <jakub@redhat.com>
2786         PR middle-end/37858
2787         * passes.c (execute_one_pass): Don't look at cfun->curr_properties
2788         for ipa and simple ipa passes.
2790 2008-11-02  Richard Guenther  <rguenther@suse.de>
2792         PR tree-optimization/37542
2793         * tree-ssa-pre.c (fully_constant_expression): Handle more cases.
2794         * tree-ssa-sccvn.c (vn_get_expr_for): Fix typo.
2795         (vn_nary_op_lookup_stmt): Adjust for unary reference trees.
2796         (vn_nary_op_insert_stmt): Likewise.
2797         (visit_use): Likewise.
2799 2008-11-02  Anatoly Sokolov  <aesok@post.ru>
2801         * config/avr/avr.md (UNSPEC_SWAP): Remove constants.
2802         (*swap): Remove.
2803         (rotlqi3, *rotlqi3_4, rotlhi3, *rotlhi3_8,
2804         rotlsi3, *rotlsi3_8, *rotlsi3_16, *rotlsi3_24): New patterns.
2805         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, ashlqi3_l_const4,
2806         ashlqi3_l_const5, ashlqi3_l_const6, lshrqi3_const4, lshrqi3_const5,
2807         lshrqi3_const6, lshrqi3_l_const4, lshrqi3_l_const4, lshrqi3_l_const6
2808         peephole2's): Replace unspec with rotate.
2809         * config/avr/avr.c (avr_rtx_costs): Add ROTATE.
2811 2008-11-02  Richard Guenther  <rguenther@suse.de>
2813         PR tree-optimization/37991
2814         * tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove.
2815         * tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static.
2816         (set_ssa_val_to): Print if the value changed.
2817         (simplify_binary_expression): Strip useless conversions.
2819 2008-11-01  Hans-Peter Nilsson  <hp@axis.com>
2821         PR target/37939
2822         * config/cris/cris.c (cris_rtx_costs) <MULT>: Return 0 for an ADDI
2823         operand.
2825 2008-11-01  Richard Guenther  <rguenther@suse.de>
2827         PR middle-end/37976
2828         * builtins.c (fold_builtin_strspn): Return a size_t.
2829         (fold_builtin_strcspn): Likewise.
2831 2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>
2833         * config/rs6000/rs6000.c (rs6000_file_start): Output gnu
2834         attribute for struct return convention.
2836 2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>
2838         * config/rs6000/crtsavres.asm: Really, really delete.
2840 2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>
2842         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
2843         problem.
2844         (rs6000_emit_prologue): Invert logic.
2845         * config/rs6000/rs6000.md (*save_gpregs_<mode>): Use explicit
2846         (reg:P 11) instead of match_operand.
2847         (*save_fpregs_<mode>): Likewise.
2848         (*restore_gpregs_<mode>): Likewise.
2849         (*return_and_restore_gpregs_<mode>): Likewise.
2850         (*return_and_restore_fpregs_<mode>): Likewise.
2851         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit
2852         (reg:P 11) insted of match_operand.
2853         (*restore_gpregs_spe): Likewise.
2854         (*return_and_restore_gpregs_spe): Likewise.
2856 2008-10-28  Luis Machado  <luisgpm@br.ibm.com>
2858         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add "dumpbase" to the
2859         list of word switches that take args.
2861 2008-10-30  Jakub Jelinek  <jakub@redhat.com>
2863         * config/s390/s390.c (s390_mark_symbol_ref_as_used): New function.
2864         (s390_output_pool_entry): Call it through for_each_rtx.
2866         PR middle-end/37730
2867         * expr.c (store_constructor): For vectors, if target is a MEM, use
2868         target's MEM_ALIAS_SET instead of elttype alias set.
2870 2008-10-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2872         PR target/37909
2873         * config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
2874         no address.
2876 2008-10-29  David Edelsohn  <edelsohn@gnu.org>
2878         PR target/37878
2879         * config/rs6000/predicates.md (word_offset_memref_operand):
2880         Restructure code and look inside auto-inc/dec addresses.
2882 2008-10-29  Steve Ellcey  <sje@cup.hp.com>
2884         PR target/32277
2885         * libgcov.c (__gcov_indirect_call_profiler): Check
2886         TARGET_VTABLE_USES_DESCRIPTORS.
2888 2008-10-29  Stefan Schulze Frielinghaus  <xxschulz@de.ibm.com>
2890         * config/spu/spu.h (FRAME_GROWS_DOWNWARD): Define.
2891         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2892         * config/spu/spu.c (spu_initial_elimination_offset): Calculate new
2893         offset if eliminating soft frame pointer.
2894         * config/spu/spu.md (stack_protect_set, stack_protect_test)
2895         (stack_protect_test_si): Add initial machine description
2896         for Stack Smashing Protector
2898 2008-10-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2900         PR 11492
2901         * c-common.c (min_precision): Move to...
2902         * tree.c (tree_int_cst_min_precision): ... to here. Renamed.
2903         * tree.h (tree_int_cst_min_precision): Declare.
2904         * c-common.h (min_precision): Delete declaration.
2905         * fold-const.c (tree_binary_nonnegative_warnv_p): Handle
2906         multiplication of non-negative integer constants.
2907         * c-decl.c (check_bitfield_type_and_width): Rename min_precision to
2908         tree_int_cst_min_precision.
2909         (finish_enum): Likewise.
2911 2008-10-29  Joseph Myers  <joseph@codesourcery.com>
2913         PR middle-end/36578
2914         * convert.c (convert_to_real): Do not optimize conversions of
2915         binary arithmetic operations between binary and decimal
2916         floating-point types.  Consider mode of target type in determining
2917         decimal type for arithmetic.  Unless
2918         flag_unsafe_math_optimizations, do not optimize binary conversions
2919         where this may change rounding behavior.
2920         * real.c (real_can_shorten_arithmetic): New.
2921         * real.h (real_can_shorten_arithmetic): Declare.
2923 2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2925         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315,
2926         ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New.
2927         * config/bfin/bfin.c (bfin_cpus): Add these workaround bits as
2928         appropriate.
2929         (must_save_p): For some workarounds, interrupts need to clobber a
2930         P register.
2931         (expand_prologue_reg_save, expand_epilogue_reg_restore): Save LC0
2932         and LC1 for WA_05000257.
2933         (expand_interrupt_handler_prologue): Add dummy read of CHIPID for
2934         WA_05000283 and WA_05000315.
2935         * config/bfin/bfin.md (UNSPEC_VOLATILE_DUMMY): New constant.
2936         (movbi): Add alternative to set CC to 1; improve code for setting
2937         CC to 0.
2938         (dummy_load): New pattern.
2940 2008-10-29  Jakub Jelinek  <jakub@redhat.com>
2942         PR middle-end/37870
2943         * expmed.c (extract_bit_field_1): If int_mode_for_mode returns
2944         BLKmode for non-memory, convert using a wider MODE_INT mode
2945         or through memory.
2947         PR middle-end/37913
2948         * tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Only split bbs
2949         that haven't been removed yet.
2951 2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2953         * config/bfin/bfin.c (struct machine_function): New member
2954         has_loopreg_clobber.
2955         (bfin_expand_movmem): Set it when generating memcpy insns.
2956         (n_regs_saved_by_prologue, expand_prologue_reg_save,
2957         expand_epilogue_reg_restore): If we have hardware loops,
2958         memcpy insns (indicated by has_loopreg_clobber) or function
2959         calls, we need to save the loop registers.
2961 2008-10-28  H.J. Lu  <hongjiu.lu@intel.com>
2963         * config/i386/i386.c (core2_cost): Fix typos in comments.
2965 2008-10-28  Jakub Jelinek  <jakub@redhat.com>
2967         PR c/37924
2968         * combine.c (make_compound_operation): Don't call make_extraction with
2969         non-positive length.
2970         (simplify_shift_const_1): Canonicalize count even if complement_p.
2972 2008-10-28  Joseph Myers  <joseph@codesourcery.com>
2974         * convert.c (strip_float_extensions): Do not remove or introduce
2975         conversions between binary and decimal floating-point types.
2977 2008-10-28  Jakub Jelinek  <jakub@redhat.com>
2979         PR middle-end/37931
2980         * fold-const.c (distribute_bit_expr): Convert common, left and
2981         right arguments to type.
2983 2008-10-28  Nick Clifton  <nickc@redhat.com>
2985         * config/mn10300/mn10300.h (CALL_REALLY_USED_REGISTERS): Define.
2986         * config/mn10300/mn10300.c (fp_regs_to_save): Test the
2987         call_really_used_regs array rather than the call_used_regs array.
2988         (mn10300_get_live_callee_saved_regs, expand_prologue,
2989         expand_epilogue, output_tst): Likewise.
2991 2008-10-27  Jakub Jelinek  <jakub@redhat.com>
2993         PR target/37378
2994         * df-scan.c (df_bb_refs_collect): Don't handle EH_USES here.
2995         (df_get_entry_block_def_set): Neither here.
2996         (df_get_regular_block_artificial_uses): Add EH_USES registers.
2998         PR tree-optimization/37879
2999         * predict.c (tree_estimate_probability): Check if last_stmt is
3000         non-NULL before dereferencing it.
3002 2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>
3004         * ira-int.h (ira_allocno): Add member updated_cover_class_cost.
3005         (ALLOCNO_UPDATED_COVER_CLASS_COST): New.
3006         (ira_fast_allocation): Remove the prototype.
3008         * ira-color.c (update_copy_costs, allocno_cost_compare_func,
3009         assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
3010         (color_pass): Modify the updated costs.
3011         (ira_color): Rename to color.  Make it static.
3012         (ira_fast_allocation): Rename to fast_allocation.  Make it static.
3013         (ira_color): New function.
3015         * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
3016         change.
3018         * ira-lives.c (last_call_num, allocno_saved_at_call): New
3019         variables.
3020         (set_allocno_live, clear_allocno_live, mark_ref_live,
3021         mark_ref_dead): Invalidate corresponding element of
3022         allocno_saved_at_call.
3023         (process_bb_node_lives): Increment last_call_num.  Setup
3024         allocno_saved_at_call.  Don't increase ALLOCNO_CALL_FREQ if the
3025         allocno was already saved.
3026         (ira_create_allocno_live_ranges): Initiate last_call_num and
3027         allocno_saved_at_call.
3029         * ira-build.c (ira_create_allocno): Initiate
3030         ALLOCNO_UPDATED_COVER_CLASS_COST.
3031         (create_cap_allocno, propagate_allocno_info,
3032         remove_unnecessary_allocnos): Remove setting updated costs.
3033         (ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.
3035         * ira.c (ira):  Don't call ira_fast_allocation.
3037         * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
3038         updated costs.
3040 2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>
3042         PR middle-end/37813
3043         * ira-conflicts.c (process_regs_for_copy): Remove class subset check.
3045         * ira-int.h (ira_hard_regno_cover_class): New.
3047         * ira-lives.c (mark_reg_live, mark_reg_dead,
3048         process_bb_node_lives): Use ira_hard_regno_cover_class.
3050         * ira.c (reg_class ira_hard_regno_cover_class): New global variable.
3051         (setup_hard_regno_cover_class): New function.
3052         (ira_init): Call setup_hard_regno_cover_class.
3054         * ira-costs.c (cost_class_nums): Add comment.
3055         (find_allocno_class_costs): Initiate cost_class_nums.
3056         (setup_allocno_cover_class_and_costs): Check cost_class_nums.
3058 2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>
3060         PR middle-end/37884
3061         * ira-build.c (copy_live_ranges_to_removed_store_destinations):
3062         Rename to copy_info_to_removed_store_destinations.  Propagate
3063         conflict hard regs and register stack attribute.
3065 2008-10-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3067         PR middle-end/37316
3068         * pa.c (function_arg_padding):  Pad complex and vector types
3069         upward in 64-bit runtime.
3070         (function_arg): Use BLKmode for PARALLEL in 64-bit runtime.
3072 2008-10-26  Matthias Klose  <doko@ubuntu.com>
3074         * doc/install.texi: Document requirements on antlr.
3076 2008-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
3078         * config/mips/mips.h (REG_ALLOC_ORDER): Put call-clobbered registers
3079         first.
3081 2008-10-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3083         PR target/37841
3084         * function.c (locate_and_pad_parm): If FUNCTION_ARG_ADJUST_OFFSET
3085         is defined, use it to modify the constant offset.
3087         * doc/tm.texi (FUNCTION_ARG_OFFSET): Document new macro.
3089         * config/spu/spu.h (FUNCTION_ARG_OFFSET): New macro to move char
3090         and short arguments to the correct location as mandated by the ABI.
3092 2008-10-24  Kaz Kojima  <kkojima@gcc.gnu.org>
3094         PR rtl-optimization/37769
3095         * regmove.c (optimize_reg_copy_2): Update REG_INC note if needed.
3097 2008-10-24  Kaz Kojima  <kkojima@gcc.gnu.org>
3099         * config/sh/t-sh: Use $(MULTILIB_CFLAGS) when compiling to
3100         unwind-dw2-Os-4-200.o.
3102 2008-10-24  Joseph Myers  <joseph@codesourcery.com>
3104         * c-typeck.c (enum impl_conv): Remove ic_argpass_nonproto.
3105         (convert_for_assignment): Remove ic_argpass_nonproto cases.
3107 2008-10-24  Jakub Jelinek  <jakub@redhat.com>
3109         PR tree-optimization/36038
3110         * tree-ssa-loop-ivopts.c (add_old_iv_candidates): For pointer bases
3111         add sizetype IV with initial value zero instead of pointer type.
3113 2008-10-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3115         PR c/7543
3116         * value-prof.c (gimple_stringop_fixed_value): Use parentheses
3117         around bit operation.
3118         * profile.c (is_edge_inconsistent): Likewise.
3119         * fold-const.c (truth_value_p): Move from here...
3120         * tree.h (truth_value_p): ... to here.
3121         * c-tree.h (c_expr): Update description of original_code.
3122         * c-typeck.c (parser_build_unary_op): Set original_code.
3123         (parser_build_binary_op): Update call to warn_about_parentheses.
3124         * c-common.c (warn_about_parentheses): Take two additional
3125         arguments of the operands. Use a switch. Quote operators
3126         appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P.
3127         Add warning about !x | y and !x & y.
3128         * c-common.h (warn_about_parentheses): Update declaration.
3130 2008-10-24  Jakub Jelinek  <jakub@redhat.com>
3132         * Makefile.in (lang_checks_parallelized, check_gcc_parallelize,
3133         check_p_tool, check_p_vars, check_p_subno, check_p_comma,
3134         check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs):
3135         New variables.
3136         (check-subtargets, check-%-subtargets, check-parallel-%): New targets.
3137         (check-%): For test targets listed in lang_checks_parallelized
3138         if -j is used and RUNTESTFLAGS doesn't specify tests to execute,
3139         run the testing in multiple make goals, possibly parallel, and
3140         afterwards run dg-extract-results.sh to merge the sum and log files.
3142 2008-10-24  Richard Sandiford  <rdsandiford@googlemail.com>
3144         * config/mips/mips.c (mips_canonicalize_move_class): New function.
3145         (mips_move_to_gpr_cost): Likewise.
3146         (mips_move_from_gpr_cost): Likewise.
3147         (mips_register_move_cost): Make more fine-grained.
3149 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3151         * graphite.c (graphite_apply_transformations): Check for
3152         -fgraphite-identity.
3153         * toplev.c (process_options): Add graphite_identity.
3154         * tree-ssa-loop.c (gate_graphite_transforms): Add graphite_identity.
3156 2008-10-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3158         * config/bfin/bfin.c (bdesc_2arg): Add mulhisill, mulhisilh,
3159         mulhisihl and mulhisihh builtins.
3161         From Jie Zhang  <jie.zhang@analog.com>
3162         * config/bfin/bfin.md (composev2hi): Put operands into vector
3163         with correct order.
3165 2008-10-22  Chao-ying Fu  <fu@mips.com>
3167         * config/mips/mips.opt (msmartmips): Accept -mno-smartmips.
3169 2008-10-22  Bernd Schmidt  <bernd.schmidt@analog.com>
3171         From Mike Frysinger  <michael.frysinger@analog.com>
3172         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF512,
3173         BFIN_CPU_BF514, BFIN_CPU_BF516, and BFIN_CPU_BF518.
3174         * config/bfin/bfin.c (bfin_cpus[]): Add 0.0 for bf512, bf514, bf516,
3175         and bf518.  Add 0.2 for bf522, bf523, bf524, bf526, and bf527.
3176         Add 0.6 for bf533, bf532, and bf531.  Add 0.5 for bf538 and bf539.
3177         Add 0.2 for bf542, bf544, bf547, bf548, and bf549.
3178         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF512__
3179         for BFIN_CPU_BF512, __ADSPBF514__ for BFIN_CPU_BF514, __ADSPBF516__
3180         for BFIN_CPU_BF516, and __ADSPBF518__ for BFIN_CPU_BF518.  Define
3181         __ADSPBF51x__ for all of them.
3182         * config/bfin/elf.h (LIB_SPEC): Select proper linker scripts for
3183         -mcpu bf512, bf514, bf516, and bf518.
3184         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
3185         bf512-none, bf514-none, bf516-none, and bf518-none.
3186         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
3187         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
3188         * doc/invoke.texi (Blackfin Options): Document that
3189         -mcpu now accepts bf512, bf514, bf516, and bf518.
3191 2008-10-22  Jakub Jelinek  <jakub@redhat.com>
3193         PR middle-end/37882
3194         * fold-const.c (build_range_type): For 1 .. signed_max
3195         range call build_nonstandard_inter_type if signed_type_for
3196         returned a type with bigger precision.
3198 2008-10-22  Richard Guenther  <rguenther@suse.de>
3200         * tree.def (COMPLEX_TYPE): Constrain element type.
3201         * tree.c (build_complex_type): Assert that.
3202         * tree-ssa-structalias.c (could_have_pointers): Complex types
3203         cannot have pointers.
3205 2008-10-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3207         PR c/30949
3208         * c-typeck.c (convert_for_assignment): Do not give declaration's
3209         location for builtins. Spell out which type was expected and which
3210         was given.
3212 2008-10-22  Nick Clifton  <nickc@redhat.com>
3214         * config/frv/frv.h (HARD_REGNO_RENAME_OK): Define.  Do not allow
3215         the fdpic register to be a target when running in fdpic mode.
3217 2008-10-22  Rafael Espindola  <espindola@google.com>
3219         * ipa-struct-reorg.c (create_new_alloc_sites): Properly insert the
3220         newly created statements.
3222 2008-10-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3224         PR target/37633
3225         * config/sh/sh.c (sh_hard_regno_mode_ok): New function.
3226         * config/sh/sh.h (HARD_REGNO_MODE_OK): Use it.
3227         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Declare.
3229 2008-10-22  Jakub Jelinek  <jakub@redhat.com>
3231         PR target/37880
3232         * doc/invoke.texi: Fix spelling of -mlarge-data-threshold option.
3233         Adjust -mcmodel=medium description for 2005-07-31 changes.
3235 2008-10-22  Jan Hubicka  <jh@suse.cz>
3236             Jakub Jelinek  <jakub@redhat.com>
3238         PR middle-end/35853
3239         * doc/invoke.texi: Remove references to obsoleted -d dumps.
3241 2008-10-21  Richard Henderson  <rth@redhat.com>
3243         PR 37815
3244         * emit-rtl.c (get_spill_slot_decl): Export.
3245         * emit-rtl.h (get_spill_slot_decl): Declare.
3246         * var-tracking.c (vt_add_function_parameters): Relax assertion
3247         on the contents of MEM_EXPR in a PARM_DECL to include a spill slot.
3249 2008-10-21  Bob Wilson  <bob.wilson@acm.org>
3251         * var-tracking.c (insn_stack_adjust_offset_pre_post): If insn has a
3252         REG_FRAME_RELATED_EXPR note, examine the pattern from the note instead
3253         of from insn.
3255 2008-10-21  Adam Nemet  <anemet@caviumnetworks.com>
3257         PR middle-end/37669
3258         * tree-ssa-ccp.c (ccp_fold_builtin): Only allow one argument to be
3259         processed by get_maxval_strlen.
3261 2008-10-21  David Edelsohn  <edelsohn@gnu.org>
3263         PR target/35485
3264         * tree.c (get_file_function_name): Copy first_global_object_name.
3265         Centralize call to clean_symbol_name.
3267 2008-10-21  Sandra Loosemore  <sandra@codesourcery.com>
3269         * config.gcc (powerpc-*): Make t-ppcgas imply usegas.h.
3270         * config/svr4.h (SVR4_ASM_SPEC): New.
3271         (ASM_SPEC): Inherit from SVR4_ASM_SPEC.
3272         * config/rs6000/sysv4.h (ASM_SPEC): Inherit from SVR4_ASM_SPEC.
3274         * doc/invoke.texi (Option Summary): Add -T to linker options.
3275         (Link Options): Document -T.
3277 2008-10-21  Jakub Jelinek  <jakub@redhat.com>
3279         * tree-inline.c (tree_inlinable_function_p): Remove tuples
3280         debugging hack.
3282         * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs.
3284         PR debug/37020
3285         * c-decl.c (merge_decls): Don't call outlining_inline_function hook.
3287 2008-10-20  Daniel Berlin  <dberlin@dberlin.org>
3289         * tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant
3290         part of expression.
3292 2008-10-20  Tobias Schlüter  <tobi@gcc.gnu.org>
3294         * doc/install.texi: Fix typos in previous patch.
3296 2008-10-19  Tobias Schlüter  <tobi@gcc.gnu.org>
3298         * doc/install.texi: Document in-tree building of gcc and mpfr.
3300 2008-10-19  Richard Guenther  <rguenther@suse.de>
3302         * tree-ssa-alias.c (may_alias_p): Remove bogus shortcut.
3304 2008-10-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3306         PR c/30260
3307         * c-decl.c (finish_enum): Convert non-integer enumerators to enum type.
3308         (build_enumerator): Convert enumerators that fit in integer to
3309         integer type.
3311 2008-10-18  Uros Bizjak  <ubizjak@gmail.com>
3313         * config/i386/i386.md (unnamed peephole2): Do not force memory
3314         operands of arith or logical instructions into registers for
3315         non-TARGET_READ_MODIFY targets.
3317         (ffs_cmove): Change operand 0 predicate to register_operand.
3318         Change operand 1 predicate to nonimmediate_operand.
3319         (ffsdi2): Ditto.
3320         (*ffs_no_cmove): Change operand 0 predicate to register_operand.
3322 2008-10-18  Richard Guenther  <rguenther@suse.de>
3324         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Guard
3325         VIEW_CONVERT_EXPR case against invalid gimple.
3327 2008-10-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3329         * c-parser.c (c_parser_binary_expression): Silence the
3330         uninitialized variable warning emitted for binary_loc.
3332 2008-10-16  Daniel Berlin  <dberlin@dberlin.org>
3334         * tree-ssa-pre.c (phi_translate_set): Add constants to phi
3335         translation cache.
3337 2008-10-16  Joseph Myers  <joseph@codesourcery.com>
3339         PR c/33192
3340         * c-typeck.c (build_unary_op): Use omit_one_operand for
3341         IMAGPART_EXPR of real argument.
3343 2008-10-16  Jakub Jelinek  <jakub@redhat.com>
3345         PR tree-optimization/37664
3346         * fold-const.c (fold_binary): When optimizing comparison with
3347         highest or lowest type's value, don't consider TREE_OVERFLOW.
3349 2008-10-16  David Edelsohn  <edelsohn@gnu.org>
3351         PR target/35483
3352         * Makefile.in (coverage.o): Depend on $(TM_P_H).
3353         * coverage.c: Include tm_p.h.
3354         * config/rs6000/x-aix (jc1): Override LDFLAGS.
3355         * config/rs6000/xcoff.h (ASM_GENERATE_INTERNAL_LABEL): Strip
3356         dollar signs from PREFIX.
3357         * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3358         instead of manual strip_name_encoding.
3360 2008-10-16  Richard Guenther  <rguenther@suse.de>
3362         PR middle-end/37418
3363         * tree-ssa.c (useless_type_conversion_p_1): Do not treat
3364         volatile qualified functions or methods as relevant.
3366 2008-10-16  Jakub Jelinek  <jakub@redhat.com>
3368         PR tree-optimization/37525
3369         * tree.c (int_fits_type_p): Rewrite using double_int.  Zero extend
3370         sizetype unsigned constants, both in the case of C and bounds.
3372 2008-10-15  Jan Hubicka  <jh@suse.cz>
3374         * ira-emit.c (change_regs): Return false when replacing reg by itself.
3376 2008-10-14  Vladimir Makarov  <vmakarov@redhat.com>
3378         PR target/37633
3379         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Check
3380         HARD_REGNO_CALL_PART_CLOBBERED.
3382 2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>
3384         PR middle-end/37535
3385         * ira-lives.c (mark_early_clobbers): Remove.
3386         (make_pseudo_conflict, check_and_make_def_use_conflicts,
3387         check_and_make_def_conflicts,
3388         make_early_clobber_and_input_conflicts,
3389         mark_hard_reg_early_clobbers): New functions.
3390         (process_bb_node_lives): Call
3391         make_early_clobber_and_input_conflicts and
3392         mark_hard_reg_early_clobbers.  Make hard register inputs live again.
3394         * doc/rtl.texi (clobber): Change descriotion of RA behaviour for
3395         early clobbers of pseudo-registers.
3397 2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>
3399         PR middle-end/37674
3400         * ira-build.c (ira_flattening): Recalculate
3401         ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS
3402         from the scratch instead of the propagation.
3404 2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>
3406         * doc/rtl.texi (const_double): Remove the "addr" operand.
3407         Describe CONST_DOUBLE_* macros under const_double rather
3408         than const_vector.
3409         (const_fixed): Fix the operand description.
3410         (const): Add an @findex directive.
3411         (CONST0_RTX, CONST1_RTX, CONST2_RTX): Move description
3412         after the constant rtl table.
3413         (fix): Combine floating-point and fixed-point descriptions.
3414         Fix hyphenation.
3415         * sched-deps.c (sched_analyze_2): Remove reference to
3416         CONST_DOUBLE_CHAIN.
3418 2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>
3420         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle
3421         UNSPEC_GOTSYM_OFFs.
3422         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Return true
3423         for UNSPEC_GOTSYM_OFFs.
3424         * config/mn10300/mn10300.md (UNSPEC_GOTSYM_OFF): New unspec.
3425         (add_GOT_to_pic_reg): Use it.
3426         * config/mn10300/constraints.md (S): Allow UNSPEC_GOTSYM_OFF.
3428 2008-10-15  Jan Sjodin  <jan.sjodin@amd.com>
3429             Harsha Jagasia  <harsha.jagasia@amd.com>
3431         PR tree-optimization/37485
3432         * graphite.c (gmp_cst_to_tree): Moved.
3433         (iv_stack_entry_is_constant): New.
3434         (iv_stack_entry_is_iv): New.
3435         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3436         (loop_iv_stack_insert_constant): New.
3437         (loop_iv_stack_pop): Use new datatpype.
3438         (loop_iv_stack_get_iv): Same.
3439         (loop_iv_stack_get_iv_from_name): Same.
3440         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3441         (loop_iv_stack_patch_for_consts): New.
3442         (loop_iv_stack_remove_constants): New.
3443         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3444         (translate_clast): Call loop_iv_stack_patch_for_consts and
3445         loop_iv_stack_remove_constants.
3446         (gloog): Use new datatype.  Redirect construction edge to end
3447         block to avoid accidental deletion.
3448         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3449         iv stack entry.
3450         (union iv_stack_entry_data): New.  Data in iv stack entry.
3451         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3453 2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3455         * tree-data-ref.c (stmt_simple_memref_p): Fix memleak.
3456         * graphite.c (free_scop): Same.
3457         (build_scops): Same.
3458         (free_scattering): New.
3459         (build_cloog_prog): Call free_scattering.
3460         (patch_phis_for_virtual_defs): Fix memleak.
3461         (graphite_trans_bb_strip_mine): Same.
3462         (limit_scops): Same.
3464 2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3465             Harsha Jagasia  <harsha.jagasia@amd.com>
3467         PR tree-optimization/37828
3468         * graphite.c (graphite_trans_loop_block): Do not loop block
3469         single nested loops.
3471 2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3473         PR tree-optimization/37686
3474         * tree-loop-linear.c (linear_transform_loops): Build a
3475         loop nest vector.  Pass it to lambda_compute_access_matrices.
3476         * tree-data-ref.h (struct access_matrix): Store the loop nest
3477         relative to which it encodes the information.
3478         (AM_LOOP_NEST_NUM): Renamed AM_LOOP_NEST.
3479         (am_vector_index_for_loop): Reimplemented: iterate over the
3480         loop nest for finding the loop index in the access matrix.
3481         (lambda_compute_access_matrices): Update declaration.
3482         * lambda-code.c (build_access_matrix): Pass the loop nest and
3483         record it.
3484         (lambda_compute_access_matrices): Same.
3486 2008-10-15  Andreas Krebbel  <krebbel1@de.ibm.com>
3488         * config/s390/s390.h (TARGET_DFP): This requires TARGET_HARD_FLOAT.
3489         * config/s390/s390.md: Replace "TARGET_HARD_FLOAT &&
3490         TARGET_(HARD_)DFP" with only TARGET_(HARD_)DFP since this
3491         already implies hard float.  Also fix several insn condition
3492         with TARGET_DFP which shall require TARGET_HARD_DFP instead.
3494 2008-10-15  David Edelsohn  <edelsohn@gnu.org>
3496         PR target/35483
3497         Based on patches by Laurent Vivier.
3498         * xcoffout.h (DBX_FINISH_STABS): Translate dollar sign to underscore.
3499         * config/rs6000/rs6000-protos.h (rs6000_xcoff_strip_dollar): Declare.
3500         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Translate
3501         dollar sign to underscore.
3502         (ASM_OUTPUT_EXTERNAL): Same.
3503         (ASM_OUTPUT_LABELREF): New.
3504         * config/rs6000/rs6000.c (rs6000_xcoff_strip_dollar): New.
3506         * config/rs6000/aix51.h (TARGET_USE_JCR_SECTION): Define.
3507         * config/rs6000/aix52.h (TARGET_USE_JCR_SECTION): Define.
3508         * config/rs6000/aix53.h (TARGET_USE_JCR_SECTION): Define.
3509         * config/rs6000/aix61.h (TARGET_USE_JCR_SECTION): Define.
3511 2008-10-15  Jakub Jelinek  <jakub@redhat.com>
3513         PR tree-optimization/36881
3514         * tree-switch-conversion.c (check_final_bb): For flag_pic, check
3515         that each value doesn't need runtime relocations, for !flag_pic
3516         check that each value is just a valid initializer constant.
3518 2008-10-14  Richard Sandiford  <rdsandiford@googlemail.com>
3520         * config/mips/mips.h (reg_class): Remove HI_AND_GR_REGS,
3521         LO_AND_GR_REGS, HI_AND_FP_REGS, COP0_AND_GR_REGS, COP2_AND_GR_REGS,
3522         COP3_AND_GR_REGS, ALL_COP_REGS and ALL_COP_AND_GR_REGS.
3523         Add GR_AND_MD0_REGS, GR_AND_MD1_REGS, GR_AND_MD_REGS and
3524         GR_AND_ACC_REGS.
3525         (REG_CLASS_NAMES): Update accordingly.
3526         (REG_CLASS_CONTENTS): Likewise.  Use the class name in the comments,
3527         rather than an unpredictable descriptive string.
3528         * config/mips/mips.c (mips_register_move_cost): Remove comment.
3529         (mips_register_move_cost): Check for specific COP*_REGS classes,
3530         instead of ALL_COP_AND_GR_REGS.
3531         (mips_ira_cover_classes): New function.
3532         (mips_secondary_reload_class): Remove MTLO and MTHI workarounds.
3533         (TARGET_IRA_COVER_CLASSES): Define.
3535 2008-10-14  Douglas Gregor  <doug.gregor@gmail.com>
3537         PR c++/37553
3538         * tree.c (build_type_attribute_qual_variant): Hash on the
3539         unqualified type, and don't overwrite an existing
3540         (type_hash_eq): Make the TYPE_NAME of the types significant, to
3541         allow distinguishing between wchar_t and its underlying type. This
3542         also means that we'll retain a little more typedef information.
3544 2008-10-14  Andrey Belevantsev  <abel@ispras.ru>
3545             Dmitry Melnik  <dm@ispras.ru>
3546             Dmitry Zhurikhin  <zhur@ispras.ru>
3547             Alexander Monakov  <amonakov@ispras.ru>
3548             Maxim Kuvyrkov  <maxim@codesourcery.com>
3550         * target.h (struct gcc_target): Update prototypes of needs_block_p
3551         and gen_spec_check.
3552         * haifa-sched.c (create_check_block_twin): Update calls to the above.
3553         * sel-sched.c (create_speculation_check): Likewise.
3554         * doc/tm.texi: Provide documentation for new target hooks.
3556         * config/ia64/ia64.c: Include sel-sched.h.  Rewrite speculation hooks.
3557         (ia64_gen_spec_insn): Removed.
3558         (get_spec_check_gen_function, insn_can_be_in_speculative_p,
3559         ia64_gen_spec_check): New static functions.
3560         (ia64_alloc_sched_context, ia64_init_sched_context,
3561         ia64_set_sched_context, ia64_clear_sched_context,
3562         ia64_free_sched_context, ia64_get_insn_spec_ds,
3563         ia64_get_insn_checked_ds, ia64_skip_rtx_p): Declare functions.
3564         (ia64_needs_block_p): Change prototype.
3565         (ia64_gen_check): Rename to ia64_gen_spec_check.
3566         (ia64_adjust_cost): Rename to ia64_adjust_cost_2.  Add new parameter
3567         into declaration, add special memory dependencies handling.
3568         (TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
3569         TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
3570         TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_SPEC_DS,
3571         TARGET_SCHED_GET_INSN_CHECKED_DS, TARGET_SCHED_SKIP_RTX_P):
3572         Define new target hooks.
3573         (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
3574         (ia64_optimization_options): Turn on selective scheduling with -O3,
3575         disable -fauto-inc-dec. Set mflag_sched_control_spec to true by
3576         default with selective scheduling.
3577         (ia64_override_options): Initialize align_loops and align_functions
3578         to 32 and 64, respectively.  Set global selective scheduling flags
3579         according to target-dependent flags.
3580         (rtx_needs_barrier): Support UNSPEC_LDS_A.
3581         (group_barrier_needed): Use new mstop-bit-before-check flag.
3582         Add heuristic.
3583         (dfa_state_size): Make global.
3584         (spec_check_no, max_uid): Remove.
3585         (mem_ops_in_group, current_cycle): New variables.
3586         (ia64_sched_init): Disable checks for !SCHED_GROUP_P after reload.
3587         Initialize new variables.
3588         (is_load_p, record_memory_reference): New functions.
3589         (ia64_dfa_sched_reorder): Lower priority of loads when limit is
3590         reached.
3591         (ia64_variable_issue): Change use of current_sched_info to
3592         sched_deps_info.  Update comment.  Note if a load or a store is issued.
3593         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec): Require a cycle
3594         advance if maximal number of loads or stores was issued on current
3595         cycle.
3596         (scheduled_good_insn): New static helper function.
3597         (ia64_dfa_new_cycle): Assert that last_scheduled_insn is set when
3598         a group barrier is needed.  Fix vertical spacing.  Guard the code
3599         doing state transition with last_scheduled_insn check.
3600         Mark that a stop bit should be before current insn if there was a
3601         cycle advance.  Update current_cycle and mem_ops_in_group.
3602         (ia64_h_i_d_extended): Change use of current_sched_info to
3603         sched_deps_info. Reallocate stops_p by larger chunks.
3604         (struct _ia64_sched_context): New structure.
3605         (ia64_sched_context_t): New typedef.
3606         (ia64_alloc_sched_context, ia64_init_sched_context,
3607         ia64_set_sched_context, ia64_clear_sched_context,
3608         ia64_free_sched_context): New static functions.
3609         (gen_func_t): New typedef.
3610         (get_spec_load_gen_function): New function.
3611         (SPEC_GEN_EXTEND_OFFSET): Declare.
3612         (ia64_set_sched_flags): Check common_sched_info instead of *flags.
3613         (get_mode_no_for_insn): Change the condition that prevents use of
3614         special hardware registers so it can now handle pseudos.
3615         (get_spec_unspec_code): New function.
3616         (ia64_skip_rtx_p, get_insn_spec_code, ia64_get_insn_spec_ds,
3617         ia64_get_insn_checked_ds, ia64_gen_spec_load): New static functions.
3618         (ia64_speculate_insn, ia64_needs_block_p): Support branchy checks
3619         during selective scheduling.
3620         (ia64_speculate_insn): Use ds_get_speculation_types when
3621         determining whether we need to change the pattern.
3622         (SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): Declare.
3623         (ia64_spec_check_src_p): Support new speculation/check codes.
3624         (struct bundle_state): New field.
3625         (issue_nops_and_insn): Initialize it.
3626         (insert_bundle_state): Minimize mid-bundle stop bits.
3627         (important_for_bundling_p): New function.
3628         (get_next_important_insn): Use important_for_bundling_p.
3629         (bundling): When shifting TImode from unimportant insns, ignore
3630         also group barriers.  Assert that best state is found before
3631         the backward bundling pass.  Print number of mid-bundle stop bits.
3632         Minimize mid-bundle stop bits.  Check correct calculation of
3633         mid-bundle stop bits.
3634         (ia64_sched_finish, final_emit_insn_group_barriers): Fix formatting.
3635         (final_emit_insn_group_barriers): Emit stop bits before insns starting
3636         a new cycle.
3637         (sel2_run): New variable.
3638         (ia64_reorg): When flag_selective_scheduling2 is set, run the
3639         selective scheduling pass instead of schedule_ebbs.
3641         * config/ia64/ia64.md (speculable1, speculable2): New attributes.
3642         (UNSPEC_LDS_A): New UNSPEC.
3643         (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3644         movti_internal, movsf_internal, movdf_internal,
3645         movxf_internal): Make visible.  Add speculable* attributes.
3646         (output_c_nc): New mode attribute.
3647         (mov<mode>_speculative_a, zero_extend<mode>di2_speculative_a,
3648         mov<mode>_nc, zero_extend<mode>di2_nc,
3649         advanced_load_check_nc_<mode>): New insns.
3650         (zero_extend*): Add speculable* attributes.
3652         * config/ia64/ia64.opt (msched_fp_mem_deps_zero_cost): New option.
3653         (msched-stop-bits-after-every-cycle): Likewise.
3654         (msched-max-memory-insns, msched-max-memory-insns-hard-limit):
3655         Likewise.
3656         (msched-spec-verbose): Remove.
3657         (msched-prefer-non-data-spec-insns,
3658         msched-prefer-non-control-spec-insns,
3659         msched-count-spec-in-critical-path,
3660         msel-sched-dont-check-control-spec): Use Target  Report Var
3661         instead of Common Report Var.
3663         * config/ia64/itanium2.md: Remove incorrect bypass.
3665         * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h.
3667 2008-10-14  Jakub Jelinek  <jakub@redhat.com>
3669         PR middle-end/37805
3670         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3671         and -fhelp=separate.
3673 2008-10-14  Ben Elliston  <bje@au.ibm.com>
3675         * config/rs6000/rs6000.md (cell_micro): Fix formatting.
3677 2008-10-13  Joseph Myers  <joseph@codesourcery.com>
3679         * combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on
3680         non-integer modes.
3682 2008-10-13  Matthias Klose  <doko@ubuntu.com>
3684         * config/pa/linux-atomic.c: Work around missing header file
3685         for hppa64-linux-gnu targets.
3687 2008-10-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3688             Kaushal Kantawala  <Kaushal_Kantawala@playstation.sony.com>
3689             Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
3690             Grace Cao  <grace_cao@playstation.sony.com>
3692         * doc/invoke.texi (-mgen-cell-microcode): Document.
3693         (-mwarn-cell-microcode): Document.
3694         * cfglayout.c (locator_location): Export.
3695         * rtl.h (locator_location): Define prototype.
3696         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand):
3697         New predicate.
3698         * rs6000/rs6000-protos.h (rs6000_final_prescan_insn): Define prototype.
3699         * config/rs6000/rs6000.opt (mgen-cell-microcode): New option.
3700         (mwarn-cell-microcode): New option.
3701         * rs6000/rs6000.c (rs6000_cell_dont_microcode): Delete unused variable.
3702         (rs6000_override_options): Set rs6000_gen_cell_microcode if tuning for
3703         cell and not already set.
3704         Turn off string instructions if not generating cell microcode.
3705         (rs6000_final_prescan_insn): New function that warns about microcoded
3706         instructions.
3707         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define.
3708         * config/rs6000/rs6000.md
3709         Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if
3710         the instruction would have been microcoded on the Cell.  Set
3711         cell_micro to always on unnamed patterns for the string instructions.
3712         (cell_micro): Update definition, remove load/store conditional
3713         microcoded.
3714         (sign_extend:DI): Define new pattern for non microcoded version.
3715         (sign_extend:SI): Likewise.
3716         (compare (div:P)): Set cell_micro to not.
3717         (andsi3): Define as an expand.
3718         (andsi3_mc): New pattern.
3719         (andsi3_nomc): New pattern.
3720         (andsi3_internal0_nomc): New pattern.
3721         (andsi3_internal2): Rename to ...
3722         (andsi3_internal2_mc): this and enable iff generating microcode.
3723         (andsi3_internal3): Rename to ...
3724         (andsi3_internal3_mc): this and enable iff generating microcode.
3725         (andsi3_internal4): Enable iif generating microcode.
3726         (andsi3_internal5): Rename to ..
3727         (andsi3_internal5_mc): this and enable iff generating microcode.
3728         (andsi3_internal5_nomc): New pattern.
3729         (extzvdi_internal1): Enable iff generating microcode.
3730         (extzvdi_internal2): Likewise.
3731         (rotlsi3_internal7): Set cell_micro to always if non immediate form.
3732         (anddi3): Change to expand.
3733         (anddi3_mc): Rename from anddi3.
3734         (anddi3_no_mc): New pattern.
3735         (anddi3_internal2): Rename to ..
3736         (anddi3_internal2_mc): this and enable iff generating microcode.
3737         (anddi3_internal2_nomc): New pattern.
3738         (anddi3_internal3): Rename to ..
3739         (anddi3_internal3_mc): this and enable iff generating microcode.
3740         (anddi3_internal3_nomc): New pattern.
3741         (movti_string): Set cell_micro to always if TARGET_STRING.
3742         (stmsi8): Set cell_micro to always.
3743         (stmsi7): Likewise.
3744         (stmsi6): Likewise.
3745         (stmsi5): Likewise.
3746         (stmsi4): Likewise.
3747         (stmsi3): Likewise.
3748         (stmsi8_power): Likewise.
3749         (stmsi7_power): Likewise.
3750         (stmsi6_power): Likewise.
3751         (stmsi5_power): Likewise.
3752         (stmsi4_power): Likewise.
3753         (stmsi3_power): Likewise.
3754         (movsi_update2): Enable iff generating microcode.
3755         (movhi_update3): Likewise.
3756         (lmw): Set cell_micro to always.
3758 2008-10-13  Richard Sandiford  <rdsandiford@googlemail.com>
3760         * config/s390/s390.md (UNSPEC_POOL_OFFSET): New constant.
3761         * config/s390/s390.c (machine_function): Remove
3762         decomposed_literal_pool_addresses_ok_p.
3763         (s390_decompose_address): Check for UNSPEC_POOL_OFFSET instead of
3764         the difference of two labels.
3765         (s390_output_addr_const_extra): Handle UNSPEC_POOL_OFFSET.
3766         (s390_pool_offset): New function.
3767         (s390_find_constant, s390_find_execute, s390_dump_pool): Use it.
3768         (s390_reorg): Don't set decomposed_literal_pool_addresses_ok_p.
3770 2008-10-13  Nathan Froyd  <froydnj@codesourcery.com>
3772         * doc/install.texi (powerpc-*-*): Require binutils 2.15.
3773         (powerpc*-*-linux-gnu*): Describe.
3774         * config/rs6000/ppc-asm.h (HIDDEN_FUNC): New macro.
3775         * config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
3776         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
3777         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
3778         config/rs6000/e500crtres32gpr.asm,
3779         config/rs6000/e500crtres64gpr.asm,
3780         config/rs6000/e500crtres64gprctr.asm,
3781         config/rs6000/e500crtrest32gpr.asm,
3782         config/rs6000/e500crtrest64gpr.asm,
3783         config/rs6000/e500crtresx32gpr.asm,
3784         config/rs6000/e500crtresx64gpr.asm,
3785         config/rs6000/e500crtsav32gpr.asm,
3786         config/rs6000/e500crtsav64gpr.asm,
3787         config/rs6000/e500crtsav64gprctr.asm,
3788         config/rs6000/e500crtsavg32gpr.asm,
3789         config/rs6000/e500crtsavg64gpr.asm,
3790         config/rs6000/e500crtsavg64gprctr.asm: Use it.
3791         * config/rs6000/crtsavres.asm: Really remove.
3793 2008-10-13  Kai Tietz  <kai.tietz@onevision.com>
3795         Fix PR/25502
3796         * c-format.c (convert_format_name_to_system_name): Use
3797         TARGET_OVERRIDES_FORMAT_INIT.
3798         * config.gcc (extra_options): Add for mingw targets mingw.opt.
3799         * config/i386/mingw.opt: New.
3800         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_INIT): New.
3801         * config/i386/msformat-c.c (TARGET_OVERRIDES_FORMAT_INIT): New.
3802         (ms_printf_length_specs): Removed const specifier.
3803         * doc/tm.texi (TARGET_OVERRIDES_FORMAT_INIT): New.
3804         * doc/invoke.texi (Wno-pedantic-ms-format): New.
3806 2008-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3808         * builtins.c: Remove MPFR_VERSION_NUM(2,3,0) conditionals.
3809         * doc/install.texi: Bump recommended MPFR to 2.3.2.
3811 2008-10-12  Kenneth Zadeck  <zadeck@naturalbridge.com>
3813         PR middle-end/37808
3814         * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make
3815         sure that ref has valid bb.
3817 2008-10-12  Richard Henderson  <rth@redhat.com>
3819         PR middle-end/37447
3820         * Makefile.in (reload1.o): Depend on EMIT_RTL_H.
3821         * alias.c (value_addr_p, stack_addr_p): Remove.
3822         (nonoverlapping_memrefs_p): Remove IRA special case.
3823         * emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New.
3824         * emit-rtl.h (set_mem_attrs_for_spill): Declare.
3825         * reload1.c (alter_reg): Use it.
3827 2008-10-12  Uros Bizjak  <ubizjak@gmail.com>
3829         * config/i386/driver-i386.c (detect_caches_cpuid2): Use array
3830         of registers instead of eax, ebx, ecx and edx.  Use for loop
3831         and check register for non-zero value before the call
3832         to decode_caches_intel.
3834 2008-10-11  Kenneth Zadeck  <zadeck@naturalbridge.com>
3836         PR rtl-optimization/37448
3837         * df.h (df_ref_class): New enum.
3838         (DF_REF_TYPE_NAMES, df_ref_extract): Removed.
3839         (struct df_ref): Replaced with union df_ref_d.
3840         (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
3841         New members of df_ref_d union.
3842         (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
3843         DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
3844         DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
3845         DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
3846         DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
3847         DF_REF_EXTRACT_MODE): Replaced definition to access union df_ref_d.
3848         (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
3849         (df_scan_bb_info, df_bb_regno_first_def_find,
3850         df_bb_regno_last_def_find, df_find_def, df_find_use,
3851         df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
3852         debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
3853         df_ref_create, df_ref_remove, df_compute_accessed_bytes,
3854         df_get_artificial_defs, df_get_artificial_uses, union_defs)
3855         Replaced struct df_ref * with df_ref.
3856         * df-scan.c (df_collection_rec, df_null_ref_rec,
3857         df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
3858         df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
3859         df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
3860         df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
3861         df_reorganize_refs_by_reg_by_reg,
3862         df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
3863         df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
3864         df_sort_and_compress_refs, df_install_ref, df_install_refs,
3865         df_ref_record, df_get_conditional_uses, df_get_call_refs,
3866         df_bb_refs_record, df_exit_block_uses_collect,
3867         df_record_exit_block_uses, df_reg_chain_mark,
3868         df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
3869         df_ref * with df_ref.
3870         (df_ref_record, df_uses_record, df_ref_create_structure): Added
3871         df_ref_class parameter.
3872         (df_scan_problem_data): Added new pools for different types of refs.
3873         (df_scan_free_internal, df_scan_alloc, df_free_ref,
3874         df_ref_create_structure): Processed new ref pools.
3875         (df_scan_start_dump): Added counts of refs and insns.
3876         (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
3877         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3878         df_entry_block_defs_collect, df_exit_block_uses_collect): Added
3879         code to pass df_ref_class down to ref creation functions.
3880         (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
3881         df_reg_chain_mark): Use macros to hide references to df_refs.
3882         (df_ref_chain_change_bb): Removed.
3883         (df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
3884         (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
3885         Enhanced to understand df_ref union structure.
3886         * fwprop.c (local_ref_killed_between_p, use_killed_between,
3887         all_uses_available_at, update_df, try_fwprop_subst,
3888         forward_propagate_subreg, forward_propagate_and_simplify,
3889         forward_propagate_into, fwprop, fwprop_addr): Replaced struct
3890         df_ref * with df_ref.
3891         (use_killed_between, all_uses_available_at): Use macros to hide
3892         references to df_refs.
3893         * regstat.c (regstat_bb_compute_ri,
3894         regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
3895         df_ref.
3896         * see.c (see_handle_relevant_defs, see_handle_relevant_uses,
3897         see_handle_relevant_refs, see_analyze_one_def,
3898         see_update_relevancy, see_propagate_extensions_to_uses): Replaced
3899         struct df_ref * with df_ref.
3900         * ra-conflict.c (record_one_conflict, clear_reg_in_live,
3901         global_conflicts): Replaced struct df_ref * with df_ref.
3902         * ddg.c (create_ddg_dep_from_intra_loop_link,
3903         add_cross_iteration_register_deps, build_inter_loop_deps):
3904         Replaced struct df_ref * with df_ref.
3905         (create_ddg_dep_from_intra_loop_link,
3906         add_cross_iteration_register_deps): Use macros to hide references
3907         to df_refs.
3908         * auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
3909         df_ref * with df_ref.
3910         * df-core.c (df_bb_regno_first_def_find,
3911         df_bb_regno_last_def_find, df_find_def, df_find_use,
3912         df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
3913         debug_df_ref): Replaced struct df_ref * with df_ref.
3914         (df_mws_dump, df_ref_debug): Use macros to hide references to df_refs.
3915         * cse.c (cse_extended_basic_block): Replaced struct df_ref * with
3916         df_ref.
3917         * web.c (union_defs, entry_register, replace_ref, web_main):
3918         Replaced struct df_ref * with df_ref.
3919         (union_defs, replace_ref): Use macros to hide references to df_refs.
3920         * global.c (compute_regs_asm_clobbered, build_insn_chain):
3921         Replaced struct df_ref * with df_ref.
3922         * ifcvt.c (dead_or_predicable): Replaced struct df_ref * with df_ref.
3923         * sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets):
3924         Replaced struct df_ref * with df_ref.
3925         * ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
3926         mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
3927         with df_ref.
3928         * local-alloc.c (block_alloc): Replaced struct df_ref * with df_ref.
3929         * df-byte-scan.c (df_compute_accessed_bytes_extract,
3930         df_compute_accessed_bytes_strict_low_part,
3931         df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
3932         Replaced struct df_ref * with df_ref.
3933         (df_compute_accessed_bytes): Use macros to hide references to df_refs.
3934         * init-regs.c (initialize_uninitialized_regs): Replaced struct
3935         df_ref * with df_ref.
3936         * loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
3937         check_dependency, check_dependencies, record_uses): Replaced
3938         struct df_ref * with df_ref.
3939         (invariant_for_use, check_dependency): Use macros to hide
3940         references to df_refs.
3941         * loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
3942         get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
3943         iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
3944         (iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
3945         references to df_refs.
3946         * ira.c (compute_regs_asm_clobbered): Replaced struct df_ref *
3947         with df_ref.
3948         * combine.c (create_log_links): Replaced struct df_ref * with df_ref.
3949         * df-problems.c (df_rd_bb_local_compute_process_def,
3950         df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
3951         df_chain_unlink_1, df_chain_unlink, df_chain_copy,
3952         df_chain_remove_problem, df_chain_create_bb_process_use,
3953         df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
3954         df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
3955         df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
3956         df_byte_lr_simulate_artificial_refs_at_top,
3957         df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
3958         df_note_bb_compute, df_note_add_problem, df_simulate_defs,
3959         df_simulate_uses, df_simulate_artificial_refs_at_end,
3960         df_simulate_artificial_refs_at_top): Replaced struct df_ref * with
3961         df_ref.
3962         (df_chain_dump): Use macros to hide references to df_refs.
3963         * config/mips/mips.c (r10k_simplify_address): Replaced struct
3964         df_ref * with df_ref.
3965         * dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
3966         mark_artificial_uses, mark_reg_dependencies,
3967         byte_dce_process_block): Replaced struct df_ref * with df_ref.
3969 2008-10-11  Eric Botcazou  <ebotcazou@adacore.com>
3971         * tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in
3972         head comment.
3973         (array_ref_element_size): Likewise.
3974         (array_ref_low_bound): Likewise.
3975         (array_ref_up_bound): Likewise.
3976         * expr.c (contains_packed_reference): Likewise.
3977         (array_ref_element_size): Likewise.
3978         (array_ref_low_bound): Likewise.
3979         (array_ref_up_bound): Likewise.
3980         * tree-ssa-loop-ivopts.c (idx_contains_abnormal_ssa_name_p): Deal
3981         with ARRAY_RANGE_REF.
3982         (idx_find_step): Likewise.
3983         (idx_record_use): Likewise.
3984         (strip_offset_1): Likewise.
3985         (idx_remove_ssa_names): Likewise.
3987 2008-10-11  Uros Bizjak  <ubizjak@gmail.com>
3988             Andi Kleen  <ak@linux.intel.com>
3990         * config/i386/cpuid.h (__cpuid_count): New defines.
3991         * config/i386/driver-i386.c (struct cache_desc): New structure.
3992         (describe_cache): Use struct cache_desc to pass cache descriptions.
3993         (detect_l2_cache): Ditto. Rename from decode_l2_cache.
3994         (detect_caches_amd): Use struct cache_desc to describe caches.
3995         (decode_caches_intel): Use struct cache_desc to pass cache
3996         descriptions.  Update descriptions to match latest (rev -032,
3997         December 2007) CPUID documentation.  Do not check valid bit here.
3998         Check for Xeon MP value 0x49 problems.
3999         (detect_caches_cpuid2): New function, split from detect_caches_intel.
4000         Check valid bit before calling decode_caches_intel.  Detect number
4001         of times to repeat CPUID instruction.
4002         (detect_caches_cpuid4): New function.
4003         (detect_caches_intel): Depending on max_level, call
4004         detect_caches_cpuid2 or detect_caches_cpuid4.  Call detect_l2_cache
4005         only when other methods fail to provide valid L2 cache description.
4007 2008-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4009         PR middle-end/37608
4010         * pa.md (call, call_value): Generate an rtx for register r4 and pass
4011         it to PIC call patterns.
4012         (call_symref_pic): Revise pattern to expose PIC register save.  Remove
4013         code generation and attributes from pattern.  Change peephole2 to
4014         split for noreturn case.  Revise split pattern for non noreturn case.
4015         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
4016         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
4017         * pa.c (attr_length_call): Simplify extraction of call rtx.  Add some
4018         asserts.
4020 2008-10-11  David Edelsohn  <edelsohn@gnu.org>
4022         * config/rs6000/rs6000.md (aux_truncdfsf2): Remove TARGET_SINGLE_FLOAT.
4023         (addsf3, subsf3, mulsf3 ! TARGET_POWERPC): Remove TARGET_SINGLE_FLOAT
4024         and fp_type.
4025         (divdf3): Reformat long line.
4027 2008-10-11  Michael J. Eager  <eager@eagercon.com>
4029         * config/rs6000/rs6000.c (rs6000_parse_fpu_option): Interpret
4030         -mfpu options.
4031         (rs6000_handle_option): Process -mfpu options.
4032         * config/rs6000/rs6000.h (TARGET_XILINX_FPU): New.
4033         (enum fpu_type_t): New.
4034         * config/rs6000/rs6000.md (attr fp_type): New.  Include xfpu.md.
4035         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3, trunctfdf2): Set
4036         fp_type.
4037         (floatsisf2): Remove TARGET_SINGLE_FPU condition.
4038         (floatdidf2): Add TARGET_SINGLE_FPU condition.
4039         * config/rs6000/rs6000.opt (-mfpu): New.
4040         (-mxilinx-fpu): New.
4041         * config/rs6000/sysv4.h (DRIVER_SELF_SPECS): New.
4042         * config/rs6000/xfpu.h: New. Define TARGET_XILINX_FPU.
4043         * config/rs6000/xfpu.md: New. Define Xilinx pipeline.
4044         * gcc/config.gcc: powerpc-xilinx-eabi target: New.
4045         * gcc/doc/invoke.texi (RS/6000 and PowerPC Options): Add -mfpu option.
4047 2008-10-11  Jakub Jelinek  <jakub@redhat.com>
4049         PR target/35760
4050         * config/rs6000/rs6000.c (rs6000_legitimize_address): Only create
4051         LO_SUM on Darwin if mode has just one unit.
4053 2008-10-10  H.J. Lu  <hongjiu.lu@intel.com>
4055         PR debug/37002
4056         * dwarf2out.c (mem_loc_descriptor): Use DRAP for vDRAP which
4057         has been optimized out.
4059 2008-10-10  Richard Sandiford  <rdsandiford@googlemail.com>
4061         * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Test PIC_ADDR_P
4062         instead of PIC_DIRECT_ADDR_P.
4063         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
4064         (IS_LITERAL_OR_SYMBOLIC_S16_P, IS_LITERAL_OR_SYMBOLIC_U16_P): Delete.
4065         (IS_NON_EXPLICIT_CONSTANT_P): Don't test PIC_OFFSET_P.
4066         (PIC_OFFSET_P): Rename to...
4067         (PCREL_SYMOFF_P): ...this.
4068         (PIC_DIRECT_ADDR_P): Delete.
4069         (MOVI_SHORI_BASE_OPERAND_P): Check PCREL_SYMOFF_P instead of
4070         PIC_OFFSET_P.
4071         (OUTPUT_ADDR_CONST_EXTRA): Don't require unspecs to have a
4072         single argument.  Handle UNSPEC_EXTRACT_S16, UNSPEC_EXTRACT_U16,
4073         UNSPEC_SYMOFF and UNSPEC_PCREL_SYMOFF.
4074         * config/sh/sh.c (print_operand): Remove CONST handling.
4075         (unspec_caller_rtx_p): Rewrite to use split_const and check
4076         the operands of UNSPEC bases.
4077         (fixup_mova): Replace (unspec [(minus A B)] UNSPEC_PIC)
4078         with (unspec [A B] UNSPEC_SYMOFF).
4079         (nonpic_symbol_mentioned_p): Check for UNSPEC_SYMOFF and
4080         UNSPEC_PCREL_SYMOFF.
4081         (sh_secondary_reload): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P.
4082         * config/sh/sh.md (UNSPEC_EXTRACT_S16): New unspec.
4083         (UNSPEC_EXTRACT_U16): Likewise.
4084         (UNSPEC_SYMOFF): Likewise.
4085         (UNSPEC_PCREL_SYMOFF): Likewise.
4086         (movsi_const): Use UNSPEC_EXTRACT_*16s to extract 16-bit portions
4087         of constants.
4088         (movsi_const_16bit): Likewise.
4089         (movdi_const, movdi_const_32bit, movdi_const_16bit): Likewise.
4090         (GOTaddr2picreg): Replace (unspec [(minus A (minus B pc))] UNSPEC_PIC)
4091         with (unspec [A B] UNSPEC_PCREL_SYMOFF).
4092         (sym_label2reg): Replace (minus (const (unspec [A] UNSPEC_PIC)) B)
4093         with (unspec [A B] UNSPEC_SYMOFF).
4094         (symPLT_label2reg): Replace (minus A (minus B pc)) with
4095          (unspec [A B] PCREL_UNSPEC_SYMOFF).
4096         * config/sh/constraints.md (Css): Check for an UNSPEC_EXTRACT_S16.
4097         (Csu): Likewise UNSPEC_EXTRACT_U16.
4098         (Csy): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P.
4099         (Cpg): Update after changes to IS_NON_EXPLICIT_CONSTANT_P.
4101 2008-10-10  Stepan Kasal  <skasal@redhat.com>
4103         * gcc/doc/invoke.texi (Optimize Options): Fix typo in examples
4104         for loop strip mining and loop blocking.
4106 2008-10-10  Alexandre Oliva  <aoliva@redhat.com>
4108         * fortran/trans-types.c (gfc_get_nodesc_array_type): Don't
4109         vary types depending on debug info.
4111 2008-10-10  Alexandre Oliva  <aoliva@redhat.com>
4113         * c-gimplify.c (c_genericize): Don't refer to DECL_ASSEMBLER_NAME
4114         before ensuring it's already computed.
4116 2008-10-09  Jakub Jelinek  <jakub@redhat.com>
4118         * rtl.h (locator_eq): New decl.
4119         * cfglayout.c (locator_scope): New function.
4120         (insn_scope): Use it.
4121         (locator_eq): New function.
4122         (fixup_reorder_chain): Search for last insn in src bb
4123         that has locator set or first insn in dest bb.  Use
4124         locator_eq instead of == to compare locators.
4125         * cfgrtl.c (cfg_layout_merge_blocks): Likewise.
4126         * cfgcleanup.c (try_forward_edges): Use locator_eq instead of
4127         == to compare locators.
4129         * tree-ssa-live.c (remove_unused_locals): Mark all edge's goto_block
4130         as used.
4131         * gimple-low.c (lower_function_body, lower_gimple_return,
4132         lower_builtin_setjmp): Set gimple_block on the newly created stmts.
4133         * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Only set
4134         goto_block on edges if goto_locus is known.
4136         PR middle-end/37774
4137         * tree.h (get_object_alignment): Declare.
4138         * emit-rtl.c (set_mem_attributes_minus_bitpos): Call
4139         get_object_alignment if needed.
4140         * builtins.c (get_pointer_alignment): Move ADDR_EXPR operand
4141         handling to ...
4142         (get_object_alignment): ... here.  New function.  Try harder to
4143         determine alignment from get_inner_reference returned offset.
4145 2008-10-08  Jakub Jelinek  <jakub@redhat.com>
4147         * graphite.c (gloog): Don't call find_unreachable_blocks
4148         before delte_unreachable_blocks.
4150         * cfgexpand.c (expand_gimple_cond): Convert also goto_block and
4151         goto_locus of true_edge into RTL locator.
4153 2008-10-08  Uros Bizjak  <ubizjak@gmail.com>
4155         * config/i386/i386.md (*jcc_btdi_rex64): Clobber FLAGS_REG.
4156         (*jcc_btdi_mask_rex64): Ditto.
4157         (*jcc_btsi): Ditto.
4158         (*jcc_btsi_mask): Ditto.
4159         (*jcc_btsi_1): Ditto.
4160         (*jcc_btsi_mask_1): Ditto.
4162 2008-10-08  Paul Brook  <paul@codesourcery.com>
4164         * config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI
4165         compatible profiler (__gnu_mcount_nc).
4166         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4168 2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>
4170         * config/i386/i386.c (initial_ix86_tune_features): Add
4171         X86_TUNE_USE_VECTOR_FP_CONVERTS.
4172         * config/i386/i386.h (ix86_tune_indices): Likewise.
4173         (TARGET_USE_VECTOR_FP_CONVERTS): New.
4175         * config/i386/i386.md: Check TARGET_USE_VECTOR_FP_CONVERTS
4176         instead of (TARGET_USE_VECTOR_CONVERTS || TARGET_GENERIC)
4177         for FP to FP splitters.
4179 2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>
4181         * config/i386/i386.md: Add missing gen_sse2_cvtdq2p to convert
4182         splitter.
4184 2008-10-08  Jakub Jelinek  <jakub@redhat.com>
4186         PR target/36635
4187         PR target/37290
4188         PR rtl-optimization/37341
4189         * cse.c (cse_cc_succs): Add ORIG_BB argument, don't follow edges
4190         to ORIG_BB, pass through ORIG_BB recursively.
4191         (cse_condition_code_reg): Adjust caller.
4193 2008-10-08  Kai Tietz  <kai.tietz@onevision.com>
4195         * sdbout.c (sdbout_one_type): Treat the value type
4196         CONST_DECL for enumerals.
4198 2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>
4200         * config/i386/i386.md: Remove trailing white spaces.
4202 2008-10-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4204         PR rtl-optimization/37448
4205         * alloc-pool.c (struct alloc_pool_descriptor) [elt_size]: New field.
4206         (stuct alloc_pool_descriptor) [created, allocated, current, peak]:
4207         Make unsigned long.
4208         (struct output_info) [count]: Renamed total_created and made
4209         unsigned long.
4210         (struct output_info) [size]: Renamed total_allocated and made
4211         unsigned long.
4212         (create_alloc_pool, empty_alloc_pool, pool_alloc, pool_free):
4213         Properly keep track of desc->size.
4214         (print_statistics, dump_alloc_pool_statistics): Enhance the
4215         printing of statistics to print the number of elements and to use
4216         unsigned longs.
4218 2008-10-07  Jakub Jelinek  <jakub@redhat.com>
4220         PR middle-end/37576
4221         * opts.h (CL_SAVE): Move up to flags range.
4222         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET,
4223         CL_COMMON): Renumber.
4224         (CL_MIN_OPTION_CLASS): Set to CL_PARAMS.
4225         * opts.c (common_handle_option): Revert last change.
4227 2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>
4229         * config/i386/i386-protos.h (ix86_schedule): New.
4231         * config/i386/i386.c (ix86_schedule): New.
4232         (override_options): Add schedule to processor_alias_table.  Set
4233         ix86_schedule from the schedule field in processor_alias_table.
4234         (ix86_function_specific_save): Save ix86_schedule.
4235         (ix86_function_specific_restore): Restore ix86_schedule.
4237         * config/i386/i386.md (cpu): Map to ix86_schedule instead of
4238         ix86_tune.  Add none and remove i386, i486, pentium4, nocona
4239         and generic32.
4241         * config/i386/i386.opt: Add schedule.
4243         * config/i386/ppro.md: Remove generic32.
4245 2008-10-07  Simon Martin  <simartin@users.sourceforge.net>
4247         PR c/35437
4248         * expr.c (count_type_elements): Handle ERROR_MARK.
4250 2008-10-07  Jakub Jelinek  <jakub@redhat.com>
4252         PR debug/29609
4253         PR debug/36690
4254         PR debug/37616
4255         * basic-block.h (struct edge_def): Add goto_block field.
4256         * cfglayout.c (fixup_reorder_chain): Ensure that there is at least
4257         one insn with locus corresponding to edge's goto_locus if !optimize.
4258         * profile.c (branch_prob): Copy edge's goto_block.
4259         * cfgrtl.c (force_nonfallthru_and_redirect): Use goto_locus for
4260         emitted jumps.
4261         (cfg_layout_merge_blocks): Emit a nop with edge's goto_locus
4262         locator in between the merged basic blocks if !optimize and needed.
4263         * cfgexpand.c (expand_gimple_cond): Convert goto_block and
4264         goto_locus into RTL locator.  For unconditional jump use that
4265         locator for the jump insn.
4266         (expand_gimple_cond): Convert goto_block and goto_locus into
4267         RTL locator for all remaining edges.  For unconditional jump
4268         use that locator for the jump insn.
4269         * cfgcleanup.c (try_forward_edges): Avoid the optimization if
4270         there is more than one edge or insn locator along the forwarding
4271         edges and !optimize.  If there is just one, set e->goto_locus.
4272         * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Set also
4273         edge's goto_block.
4274         (move_block_to_fn): Adjust edge's goto_block.
4276 2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>
4278         PR middle-end/37731
4279         * expmed.c (expand_mult): Properly check DImode constant in
4280         CONST_DOUBLE.
4282 2008-10-07  Jakub Jelinek  <jakub@redhat.com>
4284         PR debug/37738
4285         * dwarf2out.c (common_block_die_table): New variable.
4286         (common_block_die_table_hash, common_block_die_table_eq): New
4287         functions.
4288         (gen_variable_die): Look up a DW_TAG_common_block die for a particular
4289         COMMON block in the current scope rather than globally.  Optimize
4290         DW_OP_addr SYMBOL_REF DW_OP_plus_uconst off into
4291         DW_OP_addr SYMBOL_REF+off.
4293 2008-10-07  Eric Botcazou  <ebotcazou@adacore.com>
4295         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <VIEW_CONVERT_EXPR>:
4296         Return true for non-addressable GIMPLE operands.
4298 2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>
4300         PR target/24765
4301         * config/i386/i386.c (initial_ix86_tune_features): Remove
4302         X86_TUNE_USE_BIT_TEST.
4303         * config/i386/i386.h (ix86_tune_indices): Likewise.
4304         (TARGET_USE_BIT_TEST): Removed.
4306 2008-10-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4308         * config.gcc (arm*-*-*): Add aapcs-linux to supported ABIs.
4310 2008-10-06  Adam Nemet  <anemet@caviumnetworks.com>
4312         * config/mips/mips.md (mulsi3_mul3, muldi3_mul3): Merge these ...
4313         (mul<mode>3_mul3): ... into this new template.
4315 2008-10-06  Aldy Hernandez  <aldyh@redhat.com>
4317         * gimplify.c (gimplify_arg): Add location argument.  Use it.
4318         (gimplify_call_expr): Pass location to gimplify_arg.
4319         (gimplify_modify_expr_to_memcpy): Same.
4320         (gimplify_modify_expr_to_memset): Same.
4322 2008-10-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4324         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4325         Update calls to build_unary_op and build_indirect_ref for location
4326         changes.
4328 2008-10-06  Aldy Hernandez  <aldyh@redhat.com>
4330         build_modify_expr.
4331         * c-decl.c (finish_decl): Pass input_location to build_unary_op.
4332         * c-typeck.c (array_to_pointer_conversion): Pass location to
4333         build_unary_op.
4334         (function_to_pointer_conversion): Use error_at and warning_at.
4335         (build_indirect_ref): Same.
4336         (build_array_ref): Pass location to build_binary_op.
4337         (parser_build_unary_op): Do not set location after calling
4338         build_unary_op.
4339         (build_unary_op): Add location argument.  Use it throughout.  Set
4340         EXPR_LOCATION before returning new tree.
4341         (build_modify_expr): Same.
4342         (build_binary_op): Use location throughout.  Set EXPR_LOCATION before
4343         returning node.
4344         * c-omp.c (c_finish_omp_atomic): Pass location to build_unary_op,
4345         build_indirect_ref, build_modify_expr.
4346         (c_finish_omp_for): Same.  Use error_at instead of error.
4347         * c-common.c (c_common_truthvalue_conversion): Pass location to
4348         build_unary_op.
4349         (warn_for_div_by_zero): Add location argument.
4350         * c-common.h: Add argument to build_modify_expr, build_indirect_ref,
4351         build_unary_op, warn_for_div_by_zero.
4352         * c-parser.c (c_parser_typeof_specifier): Use
4353         protected_set_expr_location.
4354         (c_parser_statement_after_labels): Same.
4355         (c_parser_condition): Same.
4356         (c_parser_expr_no_commas): Pass correct location to build_modify_expr.
4357         (c_parser_conditional_expression): Use protected_set_expr_location.
4358         (c_parser_unary_expression): Pass location to build_indirect_ref.
4359         (c_parser_postfix_expression_after_primary): Pass location to
4360         build_indirect_ref, build_unary_op.
4361         (c_parser_omp_for_loop): Set the increment expression's EXPR_LOCATION.
4363 2008-10-06  Joshua Kinard  <kumba@gentoo.org>
4365         * doc/invoke.texi: List r1x000 family under the -march MIPS option.
4366         * config/mips/mips.h (PROCESSOR_R10000): New processor_type.
4367         * config/mips/mips.c (mips_cpu_info_table): Add r10000, r12000,
4368         r14000 and r16000.
4369         (mips_rtx_cost_data): Add a PROCESSOR_R10000 entry.
4370         (mips_issue_rate): Handle PROCESSOR_R10000.
4371         * config/mips/mips.md (cpu): Add r10000.
4372         Include r10000.md.
4373         * config/mips/10000.md: New file.
4375 2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>
4377         * config/rs6000/rs6000-protos.h (rs6000_find_base_term): Declare.
4378         * config/rs6000/rs6000.h (FIND_BASE_TERM): New macro.
4379         * config/rs6000/rs6000.c (rs6000_find_base_term): New function.
4381 2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>
4383         * config/darwin-protos.h (machopic_function_base_name): Delete.
4384         (machopic_function_base_sym): Likewise.
4385         (machopic_gen_offset): Declare.
4386         * config/darwin.h (MACHOPIC_FUNCTION_BASE_NAME): New macro.
4387         (ASM_OUTPUT_LABELREF): Use it instead of a hard-coded string constant.
4388         * config/darwin.c (machopic_function_base_name): Delete.
4389         (machopic_function_base_sym): Likewise.
4390         (gen_pic_offset): Rename to...
4391         (machopic_gen_offset): ...this and remove the pic_base argument.
4392         Instead use MACHO_DYNAMIC_NO_PIC_P to decide whether a PIC offset
4393         is needed.  Create an UNSPEC_MACHOPIC_OFFSET if so, and set
4394         crtl->uses_pic_offset_table.
4395         (machopic_indirect_data_reference): Use new machopic_gen_offset
4396         interface.
4397         (machopic_legitimize_pic_address): Likewise.
4398         (machopic_operand_p): Check for UNSPEC_MACHOPIC_OFFSET.
4400         * config/i386/darwin.h (GOT_SYMBOL_NAME): Use
4401         MACHOPIC_FUNCTION_BASE_NAME instead of machopic_function_base_name.
4402         * config/i386/i386.c (output_set_got): Likewise.
4403         (darwin_local_data_pic): Check for an UNSPEC_MACHOPIC_OFFSET
4404         instead of a MINUS.
4405         (legitimate_pic_operand_p): Handle UNSPEC_MACHOPIC_OFFSET.
4406         (legitimate_address_p): Likewise.
4407         (output_pic_addr_const): Likewise.
4408         (output_addr_const_extra): Likewise.
4409         (ix86_delegitimize_address): Expect darwin_local_data_pic to
4410         match an UNSPEC rather than a MINUS.
4411         * config/i386/i386.md (UNSPEC_MACHOPIC_OFFSET): Define.
4412         (builtin_setjmp_receiver): Use machopic_gen_offset.
4413         * config/i386/predicates.md (pic_symbolic_operand): Handle
4414         UNSPEC_MACHOPIC_OFFSET.
4416         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4417         Use machopic_gen_offset and machopic_operand_p.
4418         (rs6000_output_addr_const_extra): Handle UNSPEC_MACHOPIC_OFFSET.
4419         (rs6000_emit_prologue): Use MACHOPIC_FUNCTION_BASE_NAME.
4420         * config/rs6000/rs6000.md (UNSPEC_MACHOPIC_OFFSET): Define.
4421         (builtin_setjmp_receiver): Use MACHOPIC_FUNCTION_BASE_NAME.
4422         Set crtl->uses_pic_offset_table.
4424 2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>
4426         * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
4427         Declare.
4428         * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): New macro.
4429         * config/rs6000/rs6000.md (UNSPEC_TOCREL): New constant.
4430         * config/rs6000/rs6000.c (constant_pool_expr_1): Delete.
4431         (constant_pool_expr_p): Use split_const and check the base.
4432         (toc_relative_expr_p): Likewise, checking for an UNSPEC_TOCREL
4433         instead of a MINUS.
4434         (legitimate_constant_pool_address_p): Check toc_relative_p
4435         instead of constant_pool_expr_p.
4436         (print_operand_address): Always use output_addr_const for
4437         constant pool addresses.
4438         (rs6000_output_addr_const_extra): New function.
4439         (create_TOC_reference): Create an UNSPEC_TOCREL instead of a MINUS.
4441 2008-10-06  Vladimir Makarov  <vmakarov@redhat.com>
4443         PR middle-end/37535
4445         * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
4446         (mark_ref_live, mark_ref_dead): Use them.
4447         (def_conflicts_with_inputs_p): Remove.
4448         (mark_early_clobbers): New function.
4449         (process_bb_node_lives): Call preprocess_constraints and
4450         mark_early_clobbers.
4452         * doc/rtx.texi (clobber): Change how RA deals with clobbers.
4454 2008-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
4456         * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Add thread cleanup
4457         lib with -mthread switch.
4459 2008-10-05  Dodji Seketeli  <dodji@redhat.com>
4461         PR c++/37410
4462         * dwarf2out.c (dwarf2out_imported_module_or_decl): Split this
4463         function in two, making it call a new and reusable
4464         dwarf2out_imported_module_or_decl() that takes the containing
4465         BLOCK of the declaration in argument.
4466         (dwarf2out_imported_module_or_decl_real): New function.
4467         (decls_for_scope, gen_decl_die, dwarf2out_decl): Take
4468         IMPORTED_DECL in account.
4469         * tree.def: Added IMPORTED_DECL node type.
4470         * tree.h: Added accessors for IMPORTED_DECL nodes.
4471         * tree.c (init_ttree): Initialise IMPORTED_DECL node type.
4473 2008-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4475         * doc/gimple.texi: Fix some typos, wrap some long lines,
4476         fix some broken wraps with continuations.
4477         * tree-ssa-reassoc.c: Fix comment typos.
4479 2008-10-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4481         PR target/37603
4482         * pa.c (legitimize_pic_address): Force function labels to memory in
4483         word mode.
4485 2008-10-04  Anton Blanchard  <anton@samba.org>
4487         * config/rs6000/rs6000.c (rs6000_emit_sync): Use gen_lwsync().
4488         (rs6000_split_atomic_op): Same.
4489         (rs6000_split_compare_and_swap): Same.
4490         (rs6000_split_compare_and_swapqhi): Same.
4492 2008-10-04  Richard Guenther  <rguenther@suse.de>
4494         * tree-ssa-sccvn.c (vn_reference_op_eq): Use types_compatible_p
4495         instead of pointer equality.
4496         (vn_nary_op_eq): Likewise.
4498 2008-10-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4500         * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT
4501         condition.
4502         (fselsfdf4): Make condition on "TARGET_HARD_FLOAT && TARGET_FPRS &&
4503         TARGET_DOUBLE_FLOAT && TARGET_SINGLE_FLOAT".
4505 2008-10-03  Danny Smith  <dannysmith@users.sourceforge.net>
4507         * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
4508         Revert previous change.
4510 2008-10-03  Tom Tromey  <tromey@redhat.com>
4512         * stringpool.c (ggc_alloc_string): Terminate string.
4514 2008-10-03  Jakub Jelinek  <jakub@redhat.com>
4516         * gimplify.c (gimplify_function_tree): For -finstrument-functions
4517         use gimple_bind_{,set_}block instead of gimple_{,set_}block.
4518         * gimple.h (gimple_bind_set_block): Allow second argument to be NULL.
4520         PR debug/37726
4521         * gimplify.c (declare_vars): Use gimple_bind_block instead of
4522         gimple_block.
4524 2008-10-03  Pascal Obry  <obry@adacore.com>
4526         * gcov.c (create_file_names): Properly handle UNIX and DOS
4527         directory separators.
4528         (make_gcov_file_name): Likewise + convert the ':' DOS drive
4529         separator to '~' to ensure clean filenames on Windows.
4531 2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>
4533         * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
4534         Add a null terminator to the stripped name.
4536 2008-10-02  David Edelsohn  <edelsohn@gnu.org>
4538         * config/rs6000/rs6000.c (USE_FP_FOR_ARG_P): Revert
4539         TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
4540         (function_arg_advance): Condition on TARGET_DOUBLE_FLOAT,
4541         TARGET_SINGLE_FLOAT.  Revert SCALAR_FLOAT_MODE_P condition.
4542         (function_arg): Condition on TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
4543         (rs6000_function_value): Revert TARGET_DOUBLE_FLOAT,
4544         TARGET_SINGLE_FLOAT.
4546 2008-10-02  Daniel Jacobowitz  <dan@codesourcery.com>
4548         * builtins.c (fold_builtin_pow): Check for 0 ** NEGATIVE.
4550 2008-10-02  Richard Guenther  <rguenther@suse.de>
4552         PR middle-end/37713
4553         * tree-ssa.c (useless_type_conversion_p_1): For COMPLEX_TYPE
4554         and VECTOR_TYPE recurse with useless_type_conversion_p which
4555         properly handles void pointer conversion.
4557 2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>
4559         PR target/37528
4560         * config/i386/mingw32.h (LIBGCC_SPEC): Replace with ..
4561         (REAL_LIBGCC_SPEC): New.  Always include -lgcc.
4563 2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4565         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4566         Handle ALTIVEC_BUILTIN_VEC_SPLATS, ALTIVEC_BUILTIN_VEC_PROMOTE,
4567         ALTIVEC_BUILTIN_VEC_EXTRACT, and ALTIVEC_BUILTIN_VEC_INSERT specially,
4568         they translate to non builtins.
4569         * config/rs6000/rs6000.c (altivec_init_builtins): Add new variable
4570         opaque_ftype_opaque.  Define builtins __builtin_vec_splats,
4571         __builtin_vec_promote, __builtin_vec_extract, and
4572         __builtin_vec_insert.
4573         * config/rs6000/rs6000.h (enum rs6000_builtins): Add
4574         ALTIVEC_BUILTIN_VEC_EXTRACT, ALTIVEC_BUILTIN_VEC_PROMOTE,
4575         ALTIVEC_BUILTIN_VEC_INSERT, and ALTIVEC_BUILTIN_VEC_SPLATS.
4576         * config/rs6000/altivec.h (vec_extract): Define
4577         (vec_insert): Define.
4578         (vec_splats): Define.
4579         (vec_promote): Define.
4581 2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4582             Yukishige Shibata  <shibata@rd.scei.sony.co.jp>
4583             Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
4585         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add Cell
4586         Altivec intrinsics.
4587         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Delete
4588         prototype.  Add new parameter, blk.
4589         Use BLKmode for the MEM if blk is true.
4590         (altivec_expand_builtin): Handle ALTIVEC_BUILTIN_STVLX,
4591         ALTIVEC_BUILTIN_STVLXL, ALTIVEC_BUILTIN_STVRX, and
4592         ALTIVEC_BUILTIN_STVRXL.
4593         Update usage of altivec_expand_lv_builtin.
4594         Handle ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL,
4595         ALTIVEC_BUILTIN_LVRX, and ALTIVEC_BUILTIN_LVRXL.
4596         (altivec_init_builtins): If compiling for the Cell, also define the
4597         cell VMX builtins.
4598         * config/rs6000/rs6000.h (rs6000_builtins): Define
4599         ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL, ALTIVEC_BUILTIN_LVRX,
4600         ALTIVEC_BUILTIN_LVRXL, ALTIVEC_BUILTIN_STVLX, ALTIVEC_BUILTIN_STVLXL,
4601         ALTIVEC_BUILTIN_STVRX, ALTIVEC_BUILTIN_STVRXL,
4602         ALTIVEC_BUILTIN_VEC_LVLX, ALTIVEC_BUILTIN_VEC_LVLXL,
4603         ALTIVEC_BUILTIN_VEC_LVRX, ALTIVEC_BUILTIN_VEC_LVRXL,
4604         ALTIVEC_BUILTIN_VEC_STVLX, ALTIVEC_BUILTIN_VEC_STVLXL,
4605         ALTIVEC_BUILTIN_VEC_STVRX, and ALTIVEC_BUILTIN_VEC_STVRXL.
4606         * config/rs6000/altivec.md (define_constants): Define UNSPEC_LVLX,
4607         UNSPEC_LVLXL, UNSPEC_LVRX, UNSPEC_LVRXL, UNSPEC_STVLX, UNSPEC_STVLXL,
4608         UNSPEC_STVRX, and UNSPEC_STVRXL.
4609         (altivec_lvlx): New pattern.
4610         (altivec_lvlxl): New pattern.
4611         (altivec_lvrx): New pattern.
4612         (altivec_lvrxl): New pattern.
4613         (altivec_stvlx): New pattern.
4614         (altivec_stvlxl): New pattern.
4615         (altivec_stvrx): New pattern.
4616         (altivec_stvrxl): New pattern.
4617         * config/rs6000/altivec.h (vec_lvlx): Define if PPU is defined.
4618         (vec_lvlxl): Likewise.
4619         (vec_lvrx): Define if PPU is defined.
4620         (vec_lvrxl): Likewise.
4621         (vec_stvlx): Define if PPU is defined.
4622         (vec_stvlxl): Likewise.
4623         (vec_stvrx): Define if PPU is defined.
4624         (vec_stvrxl): Likewise.
4626 2008-10-01  Geert Bosch  <bosch@adacore.com>
4628         * tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR.
4630 2008-10-01  Richard Guenther  <rguenther@suse.de>
4632         PR tree-optimization/37617
4633         * tree-ssa-pre.c (create_expression_by_pieces): During FRE
4634         do not add to the NEW_SETS.
4636 2008-10-01  Richard Guenther  <rguenther@suse.de>
4638         PR middle-end/37285
4639         * tree-vrp.c (execute_vrp): If we optimized away the default
4640         case make sure to promote the label that got in place of it
4641         to a default case label.
4643 2008-10-01  Richard Henderson  <rth@redhat.com>
4645         PR tree-opt/35737
4646         * tree-complex.c (set_component_ssa_name): Don't optimize
4647         is_gimple_min_invariant values with ssa_names in abnormal phis.
4649 2008-09-30  Paolo Bonzini  <bonzini@gnu.org>
4651         PR tree-optimization/37662
4652         * tree-ssa-ccp.c (fold_gimple_assign): Invert the operands of a
4653         commutative binary operation if they are in the wrong order and
4654         fold_build2 produces non-GIMPLE.
4656 2008-09-30  Jakub Jelinek  <jakub@redhat.com>
4658         PR tree-optimization/37662
4659         PR tree-optimization/37663
4660         * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call
4661         get_value_range with non-SSA_NAME.  Don't assert operands have been
4662         folded, instead just bail out.
4664 2008-09-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4666         * config/rs6000/rs6000.md (fnmadds combiner): Revert typo.
4668 2008-09-30  Richard Guenther  <rguenther@suse.de>
4670         PR middle-end/37491
4671         * tree-vect-transform.c (vect_create_data_ref_ptr): Properly
4672         build restrict-qualified pointers.
4673         (vectorizable_store): Move alias check later.
4674         (vectorizable_load): Likewise.
4676 2008-09-30  Paolo Bonzini  <bonzini@gnu.org>
4678         * c-common.c (empty_if_body_warning): Remove.
4679         * c-common.h (empty_if_body_warning): Remove.
4680         * c-parser.c (c_parser_if_body, c_parser_else_body): Implement
4681         here the -Wempty-body warning for `if' and `else' statements.
4682         * c-typeck.c (c_finish_if_stmt): Do not call empty_body_warning.
4684 2008-09-29  H.J. Lu  <hongjiu.lu@intel.com>
4686         * config/i386/i386.opt: Add msse2avx.
4688         * config/i386/linux.h (ASM_SPEC): New.  Support -msse2avx.
4689         * config/i386/linux64.h (ASM_SPEC): Likewise.
4691         * doc/invoke.texi: Document -msse2avx.
4693 2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>
4695         * dwarf2out.c (constant_size): Use HOST_WIDE_INT in parameter type.
4697 2008-09-29  Joseph Myers  <joseph@codesourcery.com>
4699         * ifcvt.c (noce_emit_store_flag): If using condition from original
4700         jump, reverse it if if_info->cond was reversed.
4702 2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>
4704         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
4705         non-constant memory if it cannot be forced to constant memory.
4706         Overhaul surrounding code and factor out common condition.
4708 2008-09-29  Jeff Law  <law@redhat.com>
4710         * reload1.c (alter_reg): Add missing curly braces.
4712 2008-09-29  Michael J. Eager  <eager@eagercon.com>
4714         * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
4715         are easy.
4716         * config/rs6000/rs6000.c (rs6000_override_options): Move
4717         rs6000_init_hard_regno_mode_ok after all options changed.
4718         Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
4719         (rs6000_handle_option): Process -msingle-float, -mdouble-float,
4720         -msimple-fpu flags.  Add warning messages if single FP not configured.
4721         (rs6000_file_start): Output gnu_attribute for single-float.
4722         (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
4723         (rs6000_legitimize_address): Likewise.
4724         (rs6000_legitimize_reload_address): Likewise.
4725         (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
4726         TARGET_SINGLE_FLOAT.
4727         (function_arg_advance): Likewise (partial conversion).
4728         (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
4729         (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
4730         TARGET_SINGLE_FLOAT.
4731         (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
4732         (rs6000_emit_prologue): Likewise.
4733         (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
4734         TARGET_SINGLE_FLOAT.
4735         (rs6000_libcall_value): Likewise.
4736         * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
4737         (TARGET_DOUBLE_FLOAT): New default to 1
4738         (TARGET_SIMPLE_FPU): New default to 0
4739         (TARGET_SINGLE_FPU): New default to 0
4740         (TARGET_SINGLE_FLOAT_MODE): New.
4741         (TARGET_DOUBLE_FLOAT_MODE): New.
4742         * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
4743         TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
4744         UNITS_PER_FP_WORD
4745         * config/rs6000/rs6000.md (define_mode_iterator): Condition on
4746         TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
4747         (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
4748         copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
4749         nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
4750         muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
4751         movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
4752         floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
4753         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
4754         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
4755         rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
4756         floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
4757         movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
4758         extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
4759         abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
4760         cmptf_internal1, *cmptf_internal2): Condition on
4761         TARGET_DOUBLE_FLOAT.
4762         (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
4763         mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
4764         *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
4765         btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
4766         floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
4767         *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
4768         TARGET_SINGLE_FLOAT.
4769         (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
4770         * config/rs6000/rs6000.opt (-msingle-float): New.
4771         (-mdouble-float): New.
4772         (-msimple-fpu): New.
4773         * doc/invoke.texi (RS/6000 and PowerPC Options): Add
4774         -msingle-float, -mdouble-float, -msimple-fpu options.
4775         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
4776         _SOFT_DOUBLE for -msingle-float.
4777         * config.gcc: New config for target=powerpc-xilinx-eabi.
4779 2008-09-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4781         * graphite.c (dot_all_scops_1): Remove unused checks. SCoPs always
4782         have exit and entry.
4783         (new_scop): Take entry and exit edge to define new SCoP.
4784         (sd_region_p): New structure used during SCoP detection.
4785         (move_scops): Delete.
4786         (move_sd_regions): New.
4787         (scopdet_info): Change the definition from edges back to basic_blocks.
4788         (scopdet_edge_info):  Work on basic_blocks and rename to
4789         scopdet_basic_block_info.
4790         (split_difficult_bb): At the moment removed. We should later
4791         add it at another place.
4792         (build_scops_1): Work on basic_blocks.
4793         (bb_in_sd_region): New.
4794         (find_single_entry_edge): New.
4795         (find_single_exit_edge): New.
4796         (create_single_entry_edge): New.
4797         (sd_region_without_exit): New.
4798         (create_single_exit_edge): New.
4799         (unmark_exit_edges): New.
4800         (mark_exit_edges): New.
4801         (create_sese_edges): New.
4802         (build_graphite_scops): New.
4803         (build_scops): Make SCoPs SESE.
4804         (limit_scops): Use the new functions.
4806 2008-09-29  Hans-Peter Nilsson  <hp@axis.com>
4808         * config/cris/cris.h (IRA_COVER_CLASSES): Define.
4810 2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4812         PR target/37640
4813         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Force
4814         address to a register before taking the lower part.
4816 2008-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4818         * config/sh/sh.h (OVERRIDE_OPTIONS): Unset flag_dwarf2_cfi_asm
4819         for SHmedia.
4821 2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4822             Kaushal Kantawala  <kaushal_kantawala@playstation.sony.com>
4824         PR tree-opt/36891
4825         * tree-ssa-loop-im.c (rewrite_reciprocal): Set DECL_GIMPLE_REG_P on
4826         the newly created variable.
4827         Create a VECTOR_CST of all 1s for vector types.
4829 2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>
4831         PR middle-end/36575
4832         * fold-const.c (div_and_round_double) <ROUND_DIV_EXPR>: Fix typo.
4834 2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>
4836         * expmed.c (store_fixed_bit_field): Always use convert_to_mode in
4837         order to convert between modes.
4838         (extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode.
4840 2008-09-27  Kaz Kojima  <kkojima@gcc.gnu.org>
4842         * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR
4843         if needed.
4845 2008-09-26  Vladimir Makarov  <vmakarov@redhat.com>
4847         Revert:
4848         2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>
4849         * ira-lives.c:...
4850         * doc/rtl.texi:...
4852 2008-09-26  Adam Nemet  <anemet@caviumnetworks.com>
4854         * config/mips/mips.h (ISA_HAS_DMUL3, ISA_HAS_BADDU, ISA_HAS_BBIT,
4855         ISA_HAS_CINS, ISA_HAS_EXTS, ISA_HAS_SEQ_SNE, ISA_HAS_POP): Change
4856         them to yield false with MIPS16.
4858 2008-09-26  Jakub Jelinek  <jakub@redhat.com>
4860         PR middle-end/37275
4861         * dwarf2out.c (tls_mem_loc_descriptor): New function.
4862         (mem_loc_descriptor): Use it for MEM.  For PLUS fail if second
4863         mem_loc_descriptor failed.  Accept UNSPEC.
4864         (loc_descriptor): Use tls_mem_loc_descriptor for MEM.  For PARALLEL
4865         fail if one of the loc_descriptor calls for pieces failed.
4866         (loc_descriptor_from_tree_1): Handle even DECL_EXTERNAL __thread vars,
4867         as long as they bind locally.  For COMPONENT_REF, ARRAY_REF etc. fail
4868         if loc_descriptor_from_tree_1 on offset failed.
4870         PR middle-end/37576
4871         * opts.c (common_handle_option): Don't call print_specific_help with
4872         CL_SAVE as first argument.
4874 2008-09-26  Peter O'Gorman  <pogma@thewrittenword.com>
4875             Steve Ellcey  <sje@cup.hp.com>
4877         * configure: Regenerate for new libtool.
4878         * aclocal.m4: Ditto.
4880 2008-09-26  Pat Haugen  <pthaugen@us.ibm.com>
4882         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Use correct
4883         alias set on MEM when saving stack pointer.
4884         * config/rs6000/rs6000.md (allocate_stack): Likewise
4886 2008-09-26  Dorit Nuzman  <dorit@il.ibm.com>
4888         PR tree-optimization/37574
4889         * tree-vectorizer.c (vect_is_simple_use): Fix indentation.
4890         * tree-vect-transform.c (vect_get_constant_vectors): Use vectype
4891         instead of vector_type for constants. Take computation out of loop.
4892         (vect_get_vec_def_for_operand): Use only vectype for constant case,
4893         and use only vector_type for invariant case.
4894         (get_initial_def_for_reduction): Use vectype instead of vector_type.
4896 2008-09-25  Jakub Jelinek  <jakub@redhat.com>
4898         PR c/37645
4899         * c-common.c (handle_weakref_attribute): Ignore the attribute unless
4900         the decl is a VAR_DECL or FUNCTION_DECL.
4902 2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>
4904         PR middle-end/37535
4905         * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
4906         (mark_ref_live, mark_ref_dead): Use them.
4907         (def_conflicts_with_inputs_p): Remove.
4908         (mark_early_clobbers): New function.
4909         (process_bb_node_lives): Call preprocess_constraints and
4910         mark_early_clobbers.
4912         * doc/rtl.texi (clobber): Change how RA deals with clobbers.
4914 2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>
4916         PR middle-end/37448
4917         * ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP.
4918         (ira_compress_allocno_live_ranges): New prototype.
4920         * ira-color.c: Rename IRA_ALLOCNO_TEMP to ALLOCNO_TEMP.
4921         (coalesced_allocnos_living_at_program_points): New.
4922         (coalesced_allocnos_live_at_points_p,
4923         set_coalesced_allocnos_live_points): New functions.
4924         (coalesce_spill_slots): Rewrite.
4926         * ira-lives.c (remove_some_program_points_and_update_live_ranges,
4927         ira_compress_allocno_live_ranges): New functions.
4929         * ira-build.c (ira_flattening): Call
4930         ira_compress_allocno_live_ranges.
4931         (ira_build): Ditto.
4933 2008-09-25  H.J. Lu  <hongjiu.lu@intel.com>
4935         * config/i386/i386.md: Check cmp/branch fuse for cmp peephole
4936         optimization.
4938 2008-09-25  Richard Sandiford  <rdsandiford@googlemail.com>
4940         * combine.c (make_compound_operation): Handle the 'E' format.
4941         (count_rtxs): Likewise.
4942         (update_table_tick): Likewise.
4943         (get_last_value_validate): Likewise.
4945 2008-09-25  Eric Botcazou  <ebotcazou@adacore.com>
4947         * dbxout.c (dbxout_parms): Fetch the inner REG inside a PARALLEL.
4949 2008-09-25  Sergei Dyshel  <sergeid@il.ibm.com>
4951         * matrix-reorg.c (transform_allocation_sites): Initializers
4952         added to avoid the warning.
4954 2008-09-25  Martin Jambor  <mjambor@suse.cz>
4956         * cgraph.c (free_nodes): New variable.
4957         (NEXT_FREE_NODE): New macro.
4958         (cgraph_create_node): Reuse nodes from the free list.  Do not
4959         update uid if doing so.
4960         (cgraph_remove_node): Add the node to the free list.
4962 2008-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
4964         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4966 2008-09-24  Richard Henderson  <rth@redhat.com>
4968         * dwarf2.h (DW_OP_GNU_encoded_addr): New.
4969         * unwind-dw2.c (execute_stack_op): Handle it.
4971 2008-09-24  David Edelsohn  <edelsohn@gnu.org>
4973         Revert:
4974         2008-09-24  Michael J. Eager  <eager@eagercon.com>
4976 2008-09-24  Aldy Hernandez  <aldyh@redhat.com>
4978         * c-common.c (fname_decl): New location argument.
4979         * c-common.h (fname_decl): Same.
4980         * c-parser.c (c_lex_one_token): Use {warning,error}_at instead of
4981         {warning,error}.
4982         (c_parser_typeof_specifier): Same.
4983         (c_parser_parms_list_declarator): Same.
4984         (c_parser_asm_string_literal): Same.
4985         (c_parser_compound_statement_nostart): Same.
4986         (c_parser_label): Same.
4987         (c_parser_do_statement): Same.
4988         (c_parser_asm_statement): Same.
4989         (c_parser_unary_expression): Same.
4990         (c_parser_sizeof_expression): Same.
4991         (c_parser_postfix_expression): Same.
4992         (c_parser_pragma): Same.
4993         (c_parser_omp_clause_collapse): Same.
4994         (c_parser_omp_clause_num_threads): Same.
4995         (c_parser_omp_clause_schedule): Same.
4996         (c_parser_omp_all_clauses): Same.
4997         (c_parser_omp_sections_scope): Same.
4998         (c_parser_omp_for_loop): Same.  Pass condition's location to
4999         c_objc_common_truthvalue_conversion.
5000         (c_parser_enum_specifier): Remove comment.
5002 2008-09-24  Michael J. Eager  <eager@eagercon.com>
5004         * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
5005         are easy.
5006         * config/rs6000/rs6000.c (rs6000_override_options): Move
5007         rs6000_init_hard_regno_mode_ok after all options changed.
5008         Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
5009         (rs6000_handle_option): Process -msingle-float, -mdouble-float,
5010         -msimple-fpu flags.  Add warning messages if single FP not configured.
5011         (rs6000_file_start): Output gnu_attribute for single-float.
5012         (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
5013         (rs6000_legitimize_address): Likewise.
5014         (rs6000_legitimize_reload_address): Likewise.
5015         (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
5016         TARGET_SINGLE_FLOAT.
5017         (function_arg_advance): Likewise.
5018         (function_arg): Likewise.
5019         (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
5020         (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
5021         TARGET_SINGLE_FLOAT.
5022         (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
5023         (rs6000_emit_prologue): Likewise.
5024         (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
5025         TARGET_SINGLE_FLOAT.
5026         (rs6000_libcall_value): Likewise.
5027         * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
5028         (TARGET_DOUBLE_FLOAT): New default to 1
5029         (TARGET_SIMPLE_FPU): New default to 0
5030         (TARGET_SINGLE_FPU): New default to 0
5031         (TARGET_SINGLE_FLOAT_MODE): New.
5032         (TARGET_DOUBLE_FLOAT_MODE): New.
5033         * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
5034         TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
5035         UNITS_PER_FP_WORD
5036         * config/rs6000/rs6000.md (define_mode_iterator): Condition on
5037         TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
5038         (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
5039         copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
5040         nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
5041         muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
5042         movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
5043         floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
5044         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
5045         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
5046         rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
5047         floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
5048         movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
5049         extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
5050         abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
5051         cmptf_internal1, *cmptf_internal2): Condition on
5052         TARGET_DOUBLE_FLOAT.
5053         (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
5054         mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
5055         *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
5056         btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
5057         floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
5058         *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
5059         TARGET_SINGLE_FLOAT.
5060         (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
5061         * config/rs6000/rs6000.opt (-msingle-float): New.
5062         (-mdouble-float): New.
5063         (-msimple-fpu): New.
5064         * doc/invoke.texi (RS/6000 and PowerPC Options): Add
5065         -msingle-float, -mdouble-float, -msimple-fpu options.
5066         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
5067         _SOFT_DOUBLE for -msingle-float.
5068         * config.gcc: New config for target=powerpc-xilinx-eabi.
5070 2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>
5072         * config/sparc/constraints.md: New file.
5073         * config/sparc/sparc.md: Include it.
5074         * config/sparc/sparc-protos.h (memory_ok_for_ldd): Declare.
5075         (sparc_extra_constraint_check): Delete.
5076         * config/sparc/sparc.c (register_ok_for_ldd): Minor tweaks.
5077         (memory_ok_for_ldd): New predicate.
5078         (sparc_extra_constraint_check): Delete.
5079         * config/sparc/sparc.h (REG_CLASS_FROM_LETTER): Likewise.
5080         (CONST_OK_FOR_LETTER_P): Likewise.
5081         (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
5082         (EXTRA_CONSTRAINT): Likewise.
5084 2008-08-23  Steve Ellcey  <sje@cup.hp.com>
5086         * regrename.c (do_replace): Copy REG_POINTER value to new reg.
5088 2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>
5090         * alias.c (find_base_value): Use FIND_BASE_TERM.
5091         * doc/tm.texi (FIND_BASE_TERM): Update documentation.
5093 2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>
5095         * config/i386/i386.c: Include cselib.h.
5096         (ix86_pic_register_p): New function.
5097         (ix86_delegitimize_address): Use it to check for the PIC register.
5099 2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>
5101         * doc/tm.texi (FIND_BASE_TERM): Expand documentation.
5102         * config/i386/i386.c (ix86_find_base_term): Don't check for
5103         SYMBOL_REF and LABEL_REF.
5105 2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>
5107         * config/i386/i386.c (ix86_delegitimize_address): Wrap the
5108         constant PLUS in a CONST.
5110 2008-09-23  Kai Tietz  <kai.tietz@onevision.com>
5112         * config/i386/i386.c (ix86_function_ok_for_sibcall): Correct
5113         check for sibcall support for w64.
5115 2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>
5117         * c-ppoutput.c (cb_used_define): Do nothing for a builtin node.
5119 2008-09-23  Aldy Hernandez  <aldyh@redhat.com>
5121         * c-tree.h: Add argument to c_objc_common_truthvalue_conversion,
5122         parser_build_binary_op.
5123         * c-decl.c (build_enumerator): Pass location to build_binary_op.
5124         * c-typeck.c (build_array_ref): Same.
5125         (parser_build_unary_op): New location argument.
5126         (pointer_diff): Pass location to build_binary_op,
5127         c_objc_common_truthvalue_conversion.
5128         (build_modify_expr): Same.
5129         (build_unary_op): New location argument.
5130         (build_binary_op): New location argument.
5131         (c_objc_common_truthvalue_conversion): Pass location to
5132         c_*common_truthvalue_conversion.
5133         * c-convert.c (convert): Same.
5134         * c-common.c (binary_op_error): New location argument.
5135         (pointer_int_sum): Pass location to build_binary_op.
5136         (c_common_truthvalue_conversion): New location argument.
5137         (warn_for_sign_compare): Same.
5138         * c-common.h: Add location argument to c_common_truthvalue_conversion,
5139         binary_op_error, build_binary_op, warn_for_sign_compare.
5140         * c-parser.c (c_parser_condition): Pass location to
5141         c_*common_truthvalue_conversion.
5142         (c_parser_conditional_expression): Save condition's location and pass
5143         it on down.
5144         (c_parser_binary_expression): Same, but for the binary operator's
5145         location.
5146         (c_parser_omp_for_loop): Pass location to
5147         c_objc_common_truthvalue_conversion.
5149 2008-09-23  Martin Jambor  <mjambor@suse.cz>
5151         * cgraph.c (cgraph_free_edge): Use sizeof(*e).
5152         (cgraph_node_remove_callees): New temporary f.  Hold the next item
5153         in f when looping.
5154         (cgraph_node_remove_callers): Likewise.
5156         * ipa-prop.c (ipa_edge_removal_hook): Use ATTRIBUTE_UNUSED.
5157         (ipa_node_removal_hook): Likewise.
5159         * doc/gimple.texi (gimple_copy_call_skip_args): Changed to
5160         gimple_call_copy_skip_args and moved to the gimple_call section.
5161         * gimple.c (gimple_copy_call_skip_args): Renamed to
5162         gimple_call_copy_skip_args.  Changed al users.
5164 2008-09-22  Vladimir Makarov  <vmakarov@redhat.com>
5166         * ira-color.c (start_allocno_priorities): Rename to
5167         setup_allocno_priorities.  Use costs and
5168         ALLOCNO_EXCESS_PRESSURE_POINTS_NUM instead of frequencies and
5169         range lengths.  Get rid off doubles.
5170         (ira_fast_allocations): Call start_allocno_priorities.
5172 2008-09-22  David Daney  <ddaney@avtrex.com>
5174         PR target/37593
5175         * config/mips/mips.h (FUNCTION_PROFILER): Call _mcount via a
5176         register if TARGET_LONG_CALLS.
5178 2008-09-22  Richard Guenther  <rguenther@suse.de>
5180         PR tree-optimization/37145
5181         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Re-enable
5182         value-numbering union accesses with their offset and size only.
5183         (visit_reference_op_load): Fix simplification of inserted conversions.
5184         * tree-ssa-pre.c (find_or_generate_expression): Do not
5185         recursively generate expressions if running FRE.
5187 2008-09-22  Adam Nemet  <anemet@caviumnetworks.com>
5189         * config/mips/mips.h (ISA_HAS_BADDU): New macro.
5190         * config/mips/mips.md (*baddu_si_eb, *baddu_si_el, *baddu_di<mode>):
5191         New patterns.
5193 2008-09-22  Richard Guenther  <rguenther@suse.de>
5195         PR tree-optimization/37145
5196         * tree-ssa-pre.c (fully_constant_expression): Simplify builtin calls.
5197         (phi_translate_1): Constant fold references.
5199 2008-09-22  Ira Rosen  <irar@il.ibm.com>
5201         PR tree-optimization/37482
5202         * tree-vectorizer.h (struct _slp_instance): Add new field.
5203         (SLP_INSTANCE_FIRST_LOAD_STMT): New.
5204         (get_earlier_stmt): New function.
5205         * tree-vect-analyze.c (vect_find_first_load_in_slp_instance): New
5206         function.
5207         (vect_analyze_slp_instance): Set SLP_INSTANCE_FIRST_LOAD_STMT.
5208         * tree-vect-transform.c (vect_finish_stmt_generation): Remove the
5209         asserts that GSI points to the scalar statement being vectorized.
5210         Set new statement location according to GSI.
5211         (vect_schedule_slp_instance): Use GSI of
5212         SLP_INSTANCE_FIRST_LOAD_STMT when vectorizing loads.
5214 2008-09-21  Jan Hubicka  <jh@suse.cz>
5216         * ipa-cp.c (ipcp_estimate_growth): Check recursive calls.
5217         (ipcp_insert_stage): Update dead_nodes bitmap.
5219 2008-09-22  Danny Smith  <dannysmith@users.sourceforge.net>
5221         PR target/37528
5222         * config/i386/t-cygming (SHLIB_LC): Remove.
5223         (SHLIB_LINK): Don't add static objects to SHLIB_IMPLIB
5224         * config/i386/t-cygwin (SHLIB_LC): Specify all required libraries.
5226 2008-09-22  Hans-Peter Nilsson  <hp@axis.com>
5228         PR middle-end/37170
5229         PR middle-end/37280
5230         * final.c (mark_symbol_ref_as_used): New helper function.
5231         (output_operand): Instead of just looking inside MEMs for
5232         SYMBOL_REFs, use new helper function and for_each_rtx.
5233         * varasm.c (assemble_external): Move #ifndef ASM_OUTPUT_EXTERNAL
5234         to after weak-handling.  Don't mark decls with TREE_STATIC as weak.
5235         Make head comment more general.
5236         * config/darwin.c (machopic_output_indirection): Handle weak
5237         references here, like in assemble_external.
5239 2008-09-21  Eric Botcazou  <ebotcazou@adacore.com>
5241         * config/sparc/sparc-protos.h (gen_compare_operator): Declare.
5242         (sparc_emit_float_lib_cmp): Change return type.
5243         * config/sparc/sparc.c (gen_compare_reg): Add comment about TFmode.
5244         (gen_compare_operator): New function.
5245         (sparc_emit_float_lib_cmp): Return the new operator to be used in
5246         the comparison sequence.  Minor tweaks.
5247         * config/sparc/sparc.md (seq, sne, sgt, slt, sge, sle): Assert
5248         that the final operator and the result of sparc_emit_float_lib_cmp
5249         match for software TFmode; use emit_insn in lieu of emit_jump_insn.
5250         (beq, bne, bgt, blt, bge, ble, bunordered, bordered, bungt, bunlt,
5251         buneq, bunge, bunle, bltgt): Assert that the final operator and the
5252         result of sparc_emit_float_lib_cmp match for software TFmode.
5253         (movqicc, movhicc, movsicc, movdicc): Merge into...
5254         (mov<I:mode>cc): ...this.
5255         (movsfcc, movdfcc, movtfcc): Merge into...
5256         (mov<F:mode>cc): ...this.
5257         (movqi_cc_sp64, movhi_cc_sp64, movsi_cc_sp64, movdi_cc_sp64): Merge
5258         into...
5259         (mov<I:mode>_cc_v9): ...this.
5260         (movdi_cc_sp64_trunc): Delete.
5261         (movqi_cc_reg_sp64, movhi_cc_reg_sp64, movsi_cc_reg_sp64,
5262         movdi_cc_reg_sp64): Merge into...
5263         (mov<I:mode>_cc_reg_sp64): ...this.
5264         (movsf_cc_sp64): Rename into...
5265         (movsf_cc_v9): ...this.
5266         (movdf_cc_sp64): Rename into...
5267         (movdf_cc_v9): ...this.
5268         (movtf_cc_hq_sp64): Rename into...
5269         (movtf_cc_hq_v9): ...this.
5270         (movtf_cc_sp64): Rename into...
5271         (movtf_cc_v9): ...this.  Adjust for renaming of movdf_cc_sp64.
5273 2008-09-21  Diego Novillo  <dnovillo@google.com>
5275         * doc/gccint.texi: Include generic.texi and gimple.texi.
5276         Re-order index.
5277         * doc/tree-ssa.texi (GENERIC): Move to generic.texi.
5278         (GIMPLE): Move to gimple.texi.
5279         (Annotations): Remove references to to stmt_ann_t and
5280         ssa_name_ann_t.
5281         (SSA Operands): Rename from 'Statement Operands'.
5282         * doc/generic.texi: New.
5283         * doc/gimple.texi: New.
5284         * Makefile.in (TEXI_GCCINT_FILES): Add generic.texi and gimple.texi.
5285         * Makefile.in (TEXI_GCCINT_FILES):
5286         * gimple.c (gimple_copy_call_skip_args): Rename from
5287         giple_copy_call_skip_args.  Update all users.
5288         * doc/gimple.texi (gimple_copy_call_skip_args): Document.
5290 2008-09-21  Ira Rosen  <irar@il.ibm.com>
5292         PR tree-optimization/37539
5293         * tree-vect-transform.c (vect_transform_strided_load): Save vector
5294         statement in related statement field only for the first load of the
5295         group of loads with the same data reference.
5297 2008-09-20  Adam Nemet  <anemet@caviumnetworks.com>
5299         * config/mips/mips.h (TUNE_OCTEON): New macro.
5300         * config/mips/mips.c (mips_issue_rate): Return 2 for Octeon.
5301         (mips_multipass_dfa_lookahead): Return 2 for Octeon.
5302         * config/mips/octeon.md: New file.
5303         * config/mips/mips.md: Include octeon.md.  Restore
5304         semi-alphabetical order of include files.
5306 2008-09-20  H.J. Lu  <hongjiu.lu@intel.com>
5308         PR target/37571
5309         * config/i386/i386.md (*jcc_fused_1): Removed.
5310         (*jcc_fused_2): Likewise.
5311         (*jcc_fused_3): Likewise.
5312         (*jcc_fused_4): Likewise.
5314 2008-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
5316         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Define.
5317         (IRA_COVER_CLASSES): Refer to TARGET_IRA_COVER_CLASSES.
5318         * target.h (gcc_target): Add ira_cover_classes.
5319         * ira.c: Remove IRA_COVER_CLASSES guards.
5320         (setup_cover_and_important_classes): Use targetm.ira_cover_classes
5321         instead of IRA_COVER_CLASSES.
5322         (setup_cover_and_important_classes): Remove IRA_COVER_CLASSES guard.
5323         (setup_class_translate): Likewise.
5324         (setup_reg_class_intersect_union): Likewise.
5325         (find_reg_class_closure): Replace IRA_COVER_CLASSES guard with a
5326         test of targetm.ira_cover_classes.
5327         * opts.c (decode_options): Use targetm.ira_cover_classes instead
5328         of IRA_COVER_CLASSES.
5329         * target-def.h (TARGET_IRA_COVER_CLASSES): Define.
5330         (TARGET_INITIALIZER): Include it.
5331         * targhooks.h (default_ira_cover_classes): Declare.
5332         * targhooks.c (default_ira_cover_classes): New function.
5334 2008-09-19  Bob Wilson  <bob.wilson@acm.org>
5336         * config/xtensa/xtensa.md (reload<mode>_literal): Handle MEM operands.
5338 2008-09-19  Ian Lance Taylor  <iant@google.com>
5340         * varasm.c (narrowing_initializer_constant_valid_p): Return
5341         NULL_TREE if ENDTYPE is not an integer.
5343 2008-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5345         PR tree-opt/30930
5346         * tree-ssa.c (execute_update_addresses_taken): Also update
5347         DECL_GIMPLE_REG_P for vector and complex types.
5349 2008-09-19  Andrew MacLeod  <amacleod@redhat.com>
5350             Jan Hubicka  <jh@suse.cz>
5352         PR middle-end/37567
5353         * tree-ssa-ter.c (free_temp_expr_table): Make sure fields are actually
5354         empty before freeing them.
5355         (find_replaceable_exprs): Move asserts to free_temp_expr_table.
5357 2008-09-18  Bob Wilson  <bob.wilson@acm.org>
5359         * configure.ac: Add HAVE_AS_TLS check for Xtensa.
5360         * config/xtensa/predicates.md (tls_symbol_operand): New.
5361         * config/xtensa/xtensa.c (TARGET_HAVE_TLS): Define.
5362         (TARGET_CANNOT_FORCE_MEM): Define.
5363         (xtensa_tls_symbol_p): New.
5364         (xtensa_emit_move_sequence): Check for and legitimize TLS addresses.
5365         (xtensa_legitimate_address_p): Disallow constant pool TLS references.
5366         (xtensa_tls_module_base): New.
5367         (xtensa_call_tls_desc): New.
5368         (xtensa_legitimize_tls_address): New.
5369         (xtensa_legitimize_address): Handle TLS symbols.
5370         (xtensa_tls_referenced_p_1): New.
5371         (xtensa_tls_referenced_p): New.
5372         (xtensa_output_addr_const_extra): Handle UNSPEC_TPOFF and
5373         UNSPEC_DTPOFF.
5374         (XTENSA_BUILTIN_THREAD_POINTER): New.
5375         (XTENSA_BUILTIN_SET_THREAD_POINTER): New.
5376         (xtensa_init_builtins): Set NOTHROW and READONLY for umulsidi3
5377         builtin.  Add declarations for __builtin_thread_pointer and
5378         __builtin_set_thread_pointer.
5379         (xtensa_fold_builtin): Recognize new builtins.
5380         (xtensa_expand_builtin): Expand new builtins.
5381         * config/xtensa/xtensa.h (XCHAL_HAVE_THREADPTR): Define default value.
5382         (TARGET_THREADPTR): Define.
5383         (HAVE_AS_TLS): Define default value.
5384         (LEGITIMATE_CONSTANT_P): Disallow TLS references.
5385         * config/xtensa/xtensa.md (UNSPEC_TPOFF, UNSPEC_DTPOFF): New.
5386         (UNSPEC_TLS_FUNC, UNSPEC_TLS_ARG, UNSPEC_TLS_CALL, UNSPEC_TP): New.
5387         (UNSPECV_SET_TP): New.
5388         (sym_TPOFF, sym_DTPOFF): New.
5389         (load_tp, set_tp, tls_func, tls_arg, tls_call): New.
5390         * config/xtensa/xtensa-protos.h (xtensa_tls_referenced_p): Declare.
5391         * configure: Regenerated.
5393 2008-09-18  H.J. Lu  <hongjiu.lu@intel.com>
5395         PR target/37394
5396         * config/ia64/ia64.c (ia64_optimization_options): Move
5397         checking and setting flag_schedule_insns_after_reload and
5398         ia64_flag_schedule_insns2 back to ...
5399         (ia64_override_options): Here.
5401 2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5403         PR rtl-opt/37451
5404         * loop-doloop.c (doloop_modify): New argument zero_extend_p and
5405         zero extend count after the correction to it is done.
5406         (doloop_optimize): Update call to doloop_modify, don't zero extend
5407         count before call.
5409 2008-09-18  Martin Jambor  <mjambor@suse.cz>
5411         * ipa-cp.c (ipcp_estimate_growth): Return 0 instead of false.
5413         * ipa-prop.c: Correct comments.
5414         * ipa-prop.h: Likewise.
5416 2008-09-18  Jan Hubicka  <jh@suse.cz>
5418         PR middle-end/37448
5419         * ipa-reference.c (ipa_reference_local_vars_info_d,
5420         ipa_reference_global_vars_info_d,
5421         ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
5422         ipa_reference_vars_info_t): Move here from ipa-reference.h
5423         (node_duplication_hook_holder, node_removal_hook_holder): New.
5424         (get_reference_vars_info_from_cgraph): Rename to ...
5425         (get_reference_vars_info): ... this one, use cgraph uids.
5426         (get_local_reference_vars_info, get_global_reference_vars_info):
5427         Use cgraph instead of decl.
5428         (ipa_reference_get_read_local, ipa_reference_get_written_local):
5429         Remove.
5430         (ipa_reference_get_read_global, ipa_reference_get_not_read_global
5431         ipa_reference_get_written_global,
5432         ipa_reference_get_not_written_global): Use cgraph argument.
5433         (check_call): Simplify avail check.
5434         (scan_stmt_for_static_refs): Update.
5435         (propagate_bits): Update.
5436         (merge_callee_local_info): Remove.
5437         (init_function_info): Use cgraph nodes.
5438         (clean_function_local_data): Break out from ...
5439         (clean_function): ... here.
5440         (copy_local_bitmap, copy_global_bitmap): New functions.
5441         (duplicate_node_data, remove_node_data): New functions.
5442         (generate_summary): Register hooks; use visibility instead of
5443         master clones.
5444         (propafate): Use cgraph nodes; copy bitmap to each node in cycle.
5445         * ipa-reference.h (ipa_reference_local_vars_info_d,
5446         ipa_reference_global_vars_info_d,
5447         ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
5448         ipa_reference_vars_info_t): Move to ipa-reference.c
5449         (ipa_reference_get_read_local, ipa_reference_get_written_local):
5450         Remove.
5451         (ipa_reference_get_read_global, ipa_reference_get_written_global,
5452         ipa_reference_get_not_read_global,
5453         ipa_reference_get_not_written_global): Update prototype.
5454         * ipa-pure-const.c (funct_state_vec): Turn into VECtor.
5455         (init_state): Remove.
5456         (node_duplication_hook_holder, node_removal_hook_holder): New.
5457         (get_function_state, set_function_state): Use VECtor.
5458         (analyze_function): Check body availability.
5459         (add_new_function): Likewise.
5460         (duplicate_node_data, remove_node_data): New.
5461         (generate_summary): Register hooks; do not care about clones.
5462         (propafate): Do not care about clones; recursive functions are
5463         not looping.
5464         * ipa-utils.c (searchc, ipa_utils_reduced_inorder): Do not skip clones.
5465         * ipa-prop.c (edge_removal_hook_holder, node_removal_hook_holder,
5466         * edge_duplication_hook_holder, node_duplication_hook_holder): Make
5467         static.
5468         * tree-flow.h (function_ann_d): Remove reference_vars_info.
5469         * tree-ssa-opreands.c (add_call_clobber_ops, add_call_read_ops):
5470         Update call of ipa-reference accesors.
5472 2008-09-18  Simon Baldwin  <simonb@google.com>
5474         * c-opts.c (c_common_handle_option): Add handling for
5475         -Wbuiltin-macro-redefined command line option.
5476         * c.opt: Added builtin-macro-redefined option.
5477         * doc/invoke.texi (Warning Options): Add -Wbuiltin-macro-redefined
5478         documentation.
5480 2008-09-18  Richard Guenther  <rguenther@suse.de>
5482         PR tree-optimization/37258
5483         * tree-ssa-sccvn.c (vn_phi_compute_hash): Include the precision
5484         and signedness for integral types.
5485         (vn_phi_eq): Require compatible types.
5487 2008-09-18  Jakub Jelinek  <jakub@redhat.com>
5489         PR debug/34037
5490         * gimplify.c (gimplify_type_sizes): When not optimizing, ensure
5491         TYPE_MIN_VALUE and TYPE_MAX_VALUE is not is not DECL_IGNORED_P
5492         VAR_DECL.
5493         * cfgexpand.c (expand_used_vars): Keep DECL_ARTIFICIAL
5494         !DECL_IGNORED_P vars in local_decls list for instantiate_decls,
5495         ggc_free other TREE_LIST nodes from that chain.
5496         * function.c (instantiate_decls): Instantiate also DECL_RTL
5497         of vars in cfun->local_decls, free that list afterwards.
5499 2008-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5501         * config/sparc/sol2.h (WIDEST_HARDWARE_FP_SIZE): Move to...
5502         * config/sparc/sparc.h (WIDEST_HARDWARE_FP_SIZE): ...here.
5504 2008-09-18  Andrew MacLeod  <amacleod@redhat.com>
5506         * tree-outof-ssa.c (eliminate_useless_phis): Fix formatting.
5507         * tree-flow-.h (struct immediate_use_iterator_d): Fix comment.
5509 2008-09-18  Andrew MacLeod  <amacleod@redhat.com>
5511         PR tree-optimization/37102
5512         * tree-outof-ssa.c (remove_gimple_phi_args): Remove all the PHI args
5513         from a node. Check to see if another PHI is dead.
5514         (eliminate_useless_phis): Rename from eliminate_virtual_phis and
5515         remove real PHIs which have no uses.
5516         (rewrite_out_of_ssa): Call eliminate_useless_phis.
5518 2008-09-18  Richard Guenther  <rguenther@suse.de>
5520         PR middle-end/37284
5521         * tree-cfg.c (remove_useless_stmts_1): Remove
5522         GIMPLE_CHANGE_DYNAMIC_TYPE if not optimizing.
5524 2008-09-18  Nick Clifton  <nickc@redhat.com>
5526         * config/frv/frv.h (IRA_COVER_CLASSES): Define.
5527         (SECONDARY_INPUT_RELOAD_CLASS): Omit unused argument in call
5528         to frv_secondary_reload_class.
5529         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
5530         * config/frv/frv.c (TARGET_SECONDARY_RELOAD): Define.
5531         (frv_secondary_reload_class): Omit unused parameter.
5532         (frv_secondary_reload): New function.  Handle the case when
5533         secondary_reload_class() is called before the reload_(in|out)
5534         _optabs have been initialised.
5535         * config/frv/frv-protos.h (frv_secondary_reload_class): Omit
5536         unused parameter.
5537         * config/frv/frv.md: Define an exclusion set between fr550_m0
5538         and fr550_f0.
5540 2008-09-18  Richard Guenther  <rguenther@suse.de>
5542         PR tree-optimization/37456
5543         * tree-ssa-reassoc.c (build_and_add_sum): If the stmt we
5544         want to insert after ends a BB insert on the single fallthru
5545         outgoing edge.
5547 2008-09-18  Andreas Krebbel  <krebbel1@de.ibm.com>
5549         * doc/invoke.texi: Document -mhard-dfp, -mno-hard-dfp.
5550         Mention -march=z9-109, z9-ec and z10.
5552 2008-09-18  Uros Bizjak  <ubizjak@gmail.com>
5554         PR rtl-optimization/37544
5555         * regrename.c (maybe_mode_change): Exit early when copy_mode
5556         is narrower than orig_mode and narrower than new_mode.
5558 2008-09-18  Alexander Monakov  <amonakov@ispras.ru>
5560         PR middle-end/37499
5561         * sched-int.h (struct _haifa_insn_data): Remove unused field ref_count.
5563         * sched-rgn.c (ref_counts): Remove.
5564         (insn_referenced): New static variable.
5565         (INSN_REF_COUNT): Remove.
5566         (sched_run_compute_dependencies): Use insn_referenced instead of
5567         INSN_REF_COUNT.
5568         (add_branch_dependences): Likewise.  Delete dead assignment.
5570 2008-09-17  Adam Nemet  <anemet@caviumnetworks.com>
5572         * haifa-sched.c (dep_cost_1): Recognize the producer even if the
5573         consumer is an asm.  Add comment why this is important.
5574         (choose_ready): Add comment to the "INSN_CODE (insn) >= 0 ||
5575         recog_memoized (insn) < 0" assert.  Put ENABLE_CHECKING around it.
5577 2008-09-17  Joseph Myers  <joseph@codesourcery.com>
5579         * expr.c (emit_group_store): Do not shift before moving via a
5580         stack slot.
5582 2008-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5584         * varasm.c (initializer_constant_valid_p): Forbid view-conversions
5585         from aggregate to non-aggregate type if the bit pattern is not fully
5586         preserved afterwards.
5588 2008-09-17  Richard Guenther  <rguenther@suse.de>
5590         * tree-cfg.c (verify_types_in_gimple_assign): Rename to ...
5591         (verify_gimple_assign): ... this.  Split into ...
5592         (verify_gimple_assign_unary): ... this,
5593         (verify_gimple_assign_binary): ... that,
5594         (verify_gimple_assign_single): ... and this.
5595         (verify_types_in_gimple_stmt): Call verify_gimple_assign.
5596         Fix GIMPLE_CHANGE_DYNAMIC_TYPE handling.
5597         (verify_types_in_gimple_min_lval): Handle TARGET_MEM_REF.
5598         (verify_types_in_gimple_reference): Be forgiving with
5599         VIEW_CONVERT_EXPRs.
5600         (verify_gimple_phi): Deal with virtual operands.
5602         * tree.def (PREDICT_EXPR): Change to tcc_expression.
5604 2008-09-17  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5606         * tree.c (get_callee_fndecl): Don't call the language hook.
5607         * langhooks.h (lang_hooks): Remove lang_get_callee_fndecl.
5608         * langhooks-def.h (LANG_HOOKS_GET_CALLEE_FNDECL): Kill.
5609         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_GET_CALLEE_FNDECL.
5611 2008-09-17  Jakub Jelinek  <jakub@redhat.com>
5613         * tree.c (protected_set_expr_location): Don't unnecessarily
5614         check for error_mark_node.
5616 2008-09-17  Art Haas  <ahaas@impactweather.com>
5618         * ipa-reference.c (analyze_function): Declare step only if
5619         ENABLE_CHECKING is defined.
5621 2008-09-17  Jan Hubicka  <jh@suse.cz>
5623         PR c++/18071
5624         * tree.h (DECL_INLINE): remove.
5625         (DECL_DECLARED_INLINE_P): Update docs.
5626         (DECL_NO_INLINE_WARNING_P): new.
5627         (tree_function_decl): Replace inline_flag by no_inline_warning_flag.
5628         * tree-inline.c (inlinable_function_p): Set DECL_NO_INLINE_WARNING_P.
5630 2008-09-17  Jakub Jelinek  <jakub@redhat.com>
5631             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5633         PR bootstrap/37441
5634         * dwarf2out.c (dwarf2out_do_cfi_asm) [MIPS_DEBUGGING_INFO]: Return
5635         false.
5637 2008-09-17  Jan Hubicka  <jh@suse.cz>
5639         * ipa-reference.c (ipa_obstack): Remove.
5640         (local_info_obstack, global_info_obstack): New.
5641         (add_static_var): We now handle variables only.
5642         (mark_address_taken, mark_load, mark_store): New functions based on ...
5643         (check_operand): ... remove.
5644         (get_asm_stmt_operands): Rename to ...
5645         (check_asm_memory_clobber): ... this. Look only for memory clobber.
5646         (scan_stmt_for_static_refs): Rewrite.
5647         (scan_op_for_static_refs): Rename to ...
5648         (scan_initializer_for_static_refs): do not look for VAR_DECL
5649         initializers; stop recursion on types and decls.
5650         (ipa_init): Use proper obstacks.
5651         (analyze_variable): Use scan_initializer_for_static_refs.
5652         (init_function_info): Use local obstack.
5653         (analyze_function): Simplify.
5654         (add_new_function): We don't need visited_nodes obstack.
5655         (generate_summary): Use proper obstacks; cleanup after propagation.
5657 2008-09-17  Richard Guenther  <rguenther@suse.de>
5659         PR middle-end/37385
5660         PR tree-optimization/37491
5661         * alias.c (get_alias_set): Use the canonical type.
5662         * tree-vect-transform.c (vectorizable_store): Use the type of
5663         the lhs for the vector type.  Adjust checking.
5664         (vectorizable_load): Adjust checking.
5666 2008-09-16  Jakub Jelinek  <jakub@redhat.com>
5667             Adam Nemet  <anemet@caviumnetworks.com>
5669         PR rtl-optimization/37483
5670         * ifcvt.c (noce_try_sign_mask): Use if_info->test_bb instead of
5671         if_info->insn_b's bb as argument to optimize_bb_for_speed_p.
5672         Rearrange code to better match the original comment.  Check
5673         t_unconditional first.  Improve comment.
5675 2008-09-16  Jakub Jelinek  <jakub@redhat.com>
5677         PR c/37529
5678         * gimplify.c (gimplify_expr) <case GOTO_EXPR>: If gimplification of
5679         GOTO_DESTINATION failed, don't create GIMPLE_GOTO.
5681         PR c++/37530
5682         * gimplify.c (gimplify_expr) <case TRY_CATCH_EXPR>: Don't create
5683         GIMPLE_TRY if cleanup sequence is empty.
5685 2008-09-16  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5687         PR middle-end/37263
5688         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Prefer the
5689         eliminate IV if the cost are the same.
5691 2008-09-16  Richard Guenther  <rguenther@suse.de>
5693         PR middle-end/37380
5694         * tree-sra.c (sra_build_assignment): Do not call the gimplifier
5695         if not necessary.
5697 2008-09-16  Richard Guenther  <rguenther@suse.de>
5699         PR tree-optimization/37508
5700         * tree-vrp.c (simplify_truth_ops_using_ranges): Also allow -1.
5702 2008-09-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5704         * config/sh/sh.md (movsf_ie): Fix length for TARGET_SH2A.
5706 2008-09-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5708         * config/rs6000/rs6000.md (floatsidf2): Rewrite PowerPC64 case to
5709         use gen_floatdidf2 directly.
5710         (floatunssidf2): Likewise.
5711         (floatsidf_ppc64_mfpgpr): Remove.
5712         (floatsidf_ppc64): Remove.
5713         (floatunssidf_ppc64): Remove.
5715 2008-09-15  Jakub Jelinek  <jakub@redhat.com>
5717         * ira-color.c (finish_cost_update): Free update_cost_queue_elems
5718         rather than update_cost_queue.
5720         * tree-ssa-alias.c (init_alias_info): Call bitmap_obstack_release
5721         in every call starting with the second one, instead of only when
5722         alias_bitmap_obstack.elements != NULL.
5724         * tree-predcom.c (filter_suitable_components): Free all refs in
5725         act->refs vector before calling release_component.
5726         (add_ref_to_chain): Free ref if not adding it to chain->refs.
5728         * tree-data-ref.c (free_subscripts): Free all subscript objects.
5730         * tree-loop-linear.c (linear_transform_loops): Initialize
5731         lambda_obstack only after calling perfect_loop_nest_depth.
5732         Goto free_and_continue instead of just continue for later failures.
5734         PR middle-end/37479
5735         * doc/invoke.texi: Document -fno-dwarf2-cfi-asm.
5737         PR libmudflap/36397
5738         * tree-mudflap.c (mf_xform_derefs_1): Handle VIEW_CONVERT_EXPR.
5740 2008-09-14  Andreas Schwab  <schwab@suse.de>
5742         * tree-call-cdce.c (check_target_format): Accept Motorola formats.
5744 2008-09-14  Jan Hubicka  <jh@suse.cz>
5746         * invoke.texi (-fconserve-stack): Document.
5747         * opts.c (decode_options): Handle conserve_stack.
5748         * common.opt (fconvserve_stack): New.
5750 2008-09-14  David Edelsohn  <edelsohn@gnu.org>
5752         * config.host: Add x-aix to host_xmake_file.
5753         * config/rs6000/t-aix52: Do not override LDFLAGS.
5754         * config/rs6000/x-aix: New file.
5756 2008-09-14  Andy Hutchinson  <hutchinsonandy@aim.com>
5758         PR target/19636
5759         PR target/24894
5760         PR target/31644
5761         PR target/31786
5762         * config/avr/avr.c (legitimate_address_p): Fix problem where subreg
5763         is not recognized as a valid register usage. Allow REG_X to be used
5764         as a base pointer.
5765         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Remove code that
5766         forces a reload when using a base register.
5768 2008-09-14  Danny Smith  <dannysmith@users.sourceforge.net>
5770         * config/i386/cygming-crtend.c (register_frame_ctor): If
5771         DEFAULT_USE_CXA_ATEXIT, register __gcc_deregister_frame
5772         directly with atexit.
5773         (deregister_frame_ctor): Rename to ...
5774         (deregister_frame_dtor): Use to call __gcc_deregister_frame
5775         if !DEFAULT_USE_CXA_ATEXIT.
5777 2008-09-13  Jan Hubicka  <jh@suse.cz>
5779         * cgraph.c: Include value-prof.h
5780         * Makefile.in (cgraph.o): Add value-prof.h dependency.
5782 2008-09-13  Jan Hubicka  <jh@suse.cz>
5784         PR middle-end/32581
5785         * tree-profile.c (add_abnormal_goto_call_edges): New function.
5786         (tree_gen_interval_profiler, tree_gen_pow2_profiler,
5787         tree_gen_one_value_profiler, tree_gen_average_profiler,
5788         tree_gen_ic_func_profiler, tree_gen_ior_profiler): Use it.
5790 2008-09-13  Jan Hubicka  <jh@suse.cz>
5792         * i386.c (ix86_expand_movmem, ix86_expand_movstr): Avoid processing
5793         too many bytes on misalligned blocks.
5795 2008-09-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5797         * doc/cfg.texi: Fix some typos.
5798         * doc/extend.texi: Likewise.
5799         * doc/install.texi: Likewise.
5800         * doc/invoke.texi: Likewise.
5801         * doc/rtl.texi: Likewise.
5802         * doc/tree-ssa.texi: Likewise.
5804 2008-09-13  Richard Guenther  <rguenther@suse.de>
5806         PR middle-end/30141
5807         * tree-nested.c (finalize_nesting_tree_1): Generate valid
5808         gimple stores for memory rhs.
5810 2008-09-13  H.J. Lu  <hongjiu.lu@intel.com>
5812         PR rtl-optimization/37489
5813         * cse.c (fold_rtx): Don't return const_true_rtx for float
5814         compare if FLOAT_STORE_FLAG_VALUE is undefined.
5816 2008-09-13  Jan Hubicka  <jh@suse.cz>
5818         PR tree-optimization/37392
5819         * tree-inline.c (remap_gimple_stmt): Do not remap return value.
5821 2008-09-13  Martin Jambor  <mjambor@suse.cz>
5822             Jan Hubicka  <jh@suse.cz>
5824         * cgraph.c (free_edges): New variable.
5825         (NEXT_FREE_EDGE): New macro.
5826         (cgraph_free_edge): New function.
5827         (cgraph_remove_edge): Call cgraph_remove_edge_1.
5828         (cgraph_node_remove_callees): Likewise.
5829         (cgraph_node_remove_callers): Likewise.
5830         (cgraph_create_edge): Reuse edges from the free list.  Do not
5831         update uid if doing so.
5832         (cgraph_remove_*_hook): Add free call.
5834 2008-09-13  Richard Sandiford  <rdsandiford@googlemail.com>
5836         * ira-color.c (conflict_allocno_vec): Delete.
5837         (update_cost_queue_elem): New structure.
5838         (update_cost_queue): New variable.
5839         (update_cost_queue_tail): Likewise.
5840         (update_cost_queue_elems): Likewise.
5841         (allocno_update_cost_check): Delete.
5842         (initiate_cost_update): Allocate update_cost_queue_elems
5843         instead of allocno_update_cost_check.
5844         (finish_cost_update): Update the free()s accordingly.
5845         (start_update_cost): New function.
5846         (queue_update_cost): Likewise.
5847         (get_next_update_cost): Likewise.
5848         (update_copy_costs_1): Inline into...
5849         (update_copy_costs): ...here.  Use a queue instead of recursive calls.
5850         Use cover_class instead of ALLOCNO_COVER_CLASS (another_allocno),
5851         once we've established they are equal.  Don't allocate update
5852         costs if there is nothing to add to them.
5853         (update_conflict_hard_regno_costs): Remove ALLOCNO and
5854         DIVISOR arguments.  Use a queue instead of recursive calls;
5855         process all the allocnos in the initial queue, rather than
5856         a single allocno.
5857         (assign_hard_reg): Use queue_update_cost instead of
5858         conflict_allocno_vec.  Queue coalesced allocnos instead
5859         of calling update_conflict_hard_regno_costs for each one.
5860         Just call update_conflict_hard_regno_costs once for the
5861         entire queue.
5862         (ira_color): Remove conflict_allocno_vec handling.
5864 2008-09-12  Sebastian Pop  <sebastian.pop@amd.com>
5866         PR tree-optimization/37484
5867         * graphite.c (scop_record_loop): Use snprintf instead of sprintf.
5868         (save_var_name): Same.
5869         (initialize_cloog_names): Same.
5870         (initialize_cloog_names): Same.
5872 2008-09-12  Sebastian Pop  <sebastian.pop@amd.com>
5874         * tree-scalar-evolution.c (set_instantiated_value): Set
5875         instantiated_below.
5877 2008-09-12  Vladimir Makarov  <vmakarov@redhat.com>
5879         PR rtl-opt/37377
5881         * ira-build.c (common_loop_tree_node_dominator): Remove.
5882         (copy_live_ranges_to_removed_store_destinations): New function.
5883         (regno_top_level_allocno_map): Move to top level from ...
5884         (ira_flattening): ... here.  Use
5885         copy_live_ranges_to_removed_store_destinations.
5887         * ira-emit.c (generate_edge_moves): Fix a comment.
5889 2008-09-12  Anatoly Sokolov  <aesok@post.ru>
5891         PR target/37466
5892         * config/avr/avr.md (movsi_lreg_const peephole2): Add match_dup for
5893         scratch register after 'set' pattern.
5895 2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5897         * emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
5898         information passed to mark_reg_pointer.
5899         * explow.c (force_reg): Likewise.
5901 2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5903         * config/spu/spu.c (spu_override_options): Default to -mno-safe-hints
5904         when building for the celledp architecture.
5906 2008-09-12  Richard Guenther  <rguenther@suse.de>
5908         * tree-vrp.c (simplify_truth_ops_using_ranges): Fix types.
5910 2008-09-12  Eric Botcazou  <ebotcazou@adacore.com>
5912         PR rtl-optimization/37424
5913         * ira-color.c (coalesced_pseudo_reg_slot_compare): Untie by comparing
5914         the regnos instead of the addresses.
5916 2008-09-11  Janis Johnson  <janis187@us.ibm.com>
5918         * ginclude/float.h (DEC_EVAL_METHOD): Correct the macro name.
5920 2008-09-11  Richard Guenther  <rguenther@suse.de>
5922         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Avoid
5923         entering the weaker equivalence recording.
5925         * tree-ssa-phiprop.c (propagate_with_phi): Fix tuplification.
5927 2008-09-11  Jeff Law  <law@redhat.com>
5929         * reload1.c (alter_reg): Undo the BYTE_BIG_ENDIAN correction performed
5930         by assign_stack_local on the IRA path for stack slot sharing
5931         as well as the non-IRA path.
5933 2008-09-11  Uros Bizjak  <ubizjak@gmail.com>
5935         * config/i386/i386.h: Fix whitespace issues.
5937 2008-09-11  Martin Jambor  <mjambor@suse.cz>
5939         * ipa-prop.h (struct ipa_param_flags): Removed.
5940         (struct ipa_param_descriptor): New structure.
5941         (struct ipa_node_params): ipcp_lattices, param_decls and
5942         param_flags moved to ipa_param_description.
5943         (ipa_get_ith_param): Renamed to ipa_get_param, changed to access
5944         descriptors.  Renamed all users.
5945         (ipa_is_ith_param_modified): Renamed to ipa_is_param_modified,
5946         changed to access descriptors.  Renamed all users.
5947         (ipa_is_ith_param_called): Renamed to ipa_is_param_called, changed
5948         to access descriptors. Renamed all users.
5949         * ipa-cp.c (ipcp_init_cloned_node): Call
5950         ipa_initialize_node_params instead of ipa_count_formal_params and
5951         ipa_create_param_decls_array.
5952         (ipcp_analyze_node): Likewise.
5953         (ipcp_get_ith_lattice): Renamed to ipcp_get_lattice, changed to access
5954         descriptors.  Renamed all users.
5955         (ipcp_initialize_node_lattices): Remove allocation.
5956         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
5957         ipa_initialize_node_params instead of ipa_count_formal_params and
5958         ipa_create_param_decls_array.
5959         * ipa-prop.c (ipa_create_param_decls_array): Renamed to
5960         ipa_populate_param_decls, made static, added parameter info,
5961         renamed mt to node, removed allocation, changed to use
5962         descriptors.
5963         (ipa_count_formal_params): Made static, added parameter info,
5964         renamed mt to node.
5965         (ipa_initialize_node_params): New function.
5966         (ipa_check_stmt_modifications): Changed to use descriptors.
5967         (ipa_detect_param_modifications): Removed allocation, changed to
5968         use descriptors.
5969         (ipa_note_param_call): Changed to use descriptors.
5970         (ipa_analyze_params_uses): Removed allocation.
5971         (ipa_free_node_params_substructures): Changed to use descriptors.
5972         (ipa_edge_duplication_hook): Use the unused attribute.
5973         (ipa_node_duplication_hook): Use the unused attribute, changed to
5974         use descriptors, changed to duplicate descriptors.
5976         * ipa-inline.c (cgraph_mark_inline_edge): New parameter new_edges,
5977         changed all callers.  Call ipa_propagate_indirect_call_infos if doing
5978         indirect inlining.  Made static.
5979         (cgraph_decide_inlining): Freeing ipa-prop structures after inlining
5980         functions called only once.
5981         (cgraph_decide_recursive_inlining): Don't call
5982         ipa_propagate_indirect_call_infos, pass new_edges to
5983         cgraph_mark_inline_edge instead.
5984         (cgraph_decide_inlining_of_small_functions): Don't call
5985         ipa_propagate_indirect_call_infos, pass new_edges to
5986         cgraph_mark_inline_edge instead.
5987         (cgraph_decide_inlining): Don't call
5988         ipa_propagate_indirect_call_infos.
5989         * ipa-prop.c: Check that vectors are allocated.
5991         * ipa-inline.c (cgraph_mark_inline_edge): Returns boolean, true
5992         iff a new cgraph edges have been created.
5993         (cgraph_decide_inlining): New variable redo_always_inline.
5994         Flattening and always_inlining loop until callgraph stabilizes.
5995         * ipa-prop.c (update_call_notes_after_inlining): Returns boolean,
5996         true iff new cgraph edges have been created.
5997         (propagate_info_to_inlined_callees): Likewise.
5998         (ipa_propagate_indirect_call_infos): Likewise.
6000 2008-09-11  Richard Guenther  <rguenther@suse.de>
6002         * tree-vectorizer.c (slpeel_add_loop_guard): Fix types.
6003         (set_prologue_iterations): Likewise.
6004         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
6005         Likewise.
6006         (vect_update_init_of_dr): Likewise.
6007         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Fix
6008         type verification.
6009         * fold-const.c (fold_unary): Do not generate calculations
6010         in sub-types.
6012 2008-09-11  Paolo Bonzini  <bonzini@gnu.org>
6014         * dojump.c (do_jump) [BIT_AND_EXPR]: Move below.  Fall through to
6015         TRUTH_AND_EXPR for boolean (1-bit precision) expressions.
6016         (do_jump) [BIT_IOR_EXPR]: Compile as TRUTH_OR_EXPR.
6018         * tree-flow.h (simplify_stmt_using_ranges): Accept a GSI, return
6019         a bool.
6020         * tree-ssa-propagate.c (substitute_and_fold): Pass a GSI to
6021         VRP's simplify_stmt_using_ranges.  Do simplify_stmt_using_ranges
6022         before finalizing the changes.
6023         * tree-vrp.c (extract_range_from_binary_expr): Add limited support
6024         for BIT_IOR_EXPR.
6025         (simplify_truth_ops_using_ranges): New.
6026         (simplify_div_or_mod_using_ranges, simplify_abs_using_ranges,
6027         simplify_cond_using_ranges, simplify_switch_using_ranges): Return
6028         whether a simplification was made.
6029         (simplify_stmt_using_ranges): Ditto, and accept a GSI.  For GS_ASSIGN,
6030         use a switch statement and also call simplify_truth_ops_using_ranges.
6032 2008-09-11  Jan Hubicka  <jh@suse.cz>
6034         * ggc-common.c (loc_array): Make static.
6035         * dce.c (rest_of_handle_ud_dce): Free worklist.
6037 2008-09-11  Jan Hubicka  <jh@suse.cz>
6039         * cgraph.c (cgraph_release_function_body): Plug memory leak on
6040         ipa_transforms_to_apply and CFG; ggc_free gimple df and struct
6041         function so we are sure we do not dangle it forever.
6042         * function.c (outer_function_chain, find_function_data): Remove.
6043         (function_context_stack): New.
6044         (push_function_context, pop_function_context): Update.
6045         * function.h (struct function): Remove pointer outer.
6046         (outer_function_chain, find_function_data): Remove.
6047         * stmt.c (force_label_rtx): Remove dead call of find_function_data.
6049 2008-09-11  Jan Hubicka  <jh@suse.cz>
6051         PR middle-end/37448
6052         * cgraph.c (cgraph_create_edge): Use !cgraph_edge for sanity check.
6054 2008-09-11  Jan Hubicka  <jh@suse.cz>
6056         * tree-ssa-pre.c (phi_translate_1): Fix memory leak
6058 2008-09-11  Jan Hubicka  <jh@suse.cz>
6060         * tree-ssa.c (redirect_edge_var_map_clear): Fix formatting.
6061         (free_var_map_entry): New function.
6062         (redirect_edge_var_map_destroy): Use it.
6064 2008-09-11  Jan Hubicka  <jh@suse.cz>
6066         PR middle-end/37448
6067         * tree-inline.c (add_lexical_block): Replace with ...
6068         (prepend_lexical_block): ... prepend at begginig.
6069         (remap_blocks): Use it and reverse later.
6070         (expand_call_inline): Use prepend_lexical_block.
6072 2008-09-11  Jan Hubicka  <jh@suse.cz>
6074         * gimplify.c (pop_gimplify_context): Free bind_expr_stack.
6076 2008-09-11  Jan Hubicka  <jh@suse.cz>
6078         * function.c (free_after_compilation): Call insn_locators_free.
6079         * cfglayout.c (insn_locators_free): New function.
6080         * rtl.h (insn_locators_free): Declare.
6082 2008-09-11  Jan Hubicka  <jh@suse.cz>
6084         * ifcvt.c (check_cond_move_block): Make regs argument pointer to
6085         vector pointer.
6086         (cond_move_process_if_block): Update call.
6088 2008-09-11  Jan Hubicka  <jh@suse.cz>
6090         * toplev.c (dump_memory_report): Call dump_vec_loc_statistics.
6091         * vec.c: Include hashtab.h
6092         (vec_descriptor, ptr_hash_entry): New structures.
6093         (vec_desc_hash, vec_ptr_map): New static variables.
6094         (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr, vec_descriptor,
6095         register_overhead, free_overhead, vec_heap_free): New functions.
6096         (vec_gc_o_reserve_1): ggc_free when resizing to 0.
6097         (vec_heap_o_reserve_1): free when resizing to 0; add statistics.
6098         (cmp_statistic, add_statistics, dump_vec_loc_statistics):
6099         New functions.
6101 2008-09-11  Ira Rosen  <irar@il.ibm.com>
6103         PR tree-optimization/37474
6104         * tree-vect-analyze.c (vect_supported_load_permutation_p): Check the
6105         length of load permutation.
6107 2008-09-11  Andreas Schwab  <schwab@suse.de>
6109         * config/m68k/m68k.h (IRA_COVER_CLASSES): Define.
6111 2008-09-11  Jakub Jelinek  <jakub@redhat.com>
6113         PR target/37382
6114         * expmed.c (extract_low_bits): Avoid creating invalid subregs.
6115         * dse.c (find_shift_sequence): Use extract_low_bits instead of
6116         simplify_gen_subreg.
6118 2008-09-11  Ira Rosen  <irar@il.ibm.com>
6120         * tree-vect-transform.c (vectorizable_store): Use the rhs vector type
6121         for alias check.
6123 2008-09-10  Jakub Jelinek  <jakub@redhat.com>
6125         PR middle-end/37338
6126         * gimplify.c (gimplify_body): Call default_rtl_profile.
6128         PR target/36904
6129         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Return NULL
6130         instead of tok->val.node if not expanding to something else.  Handle
6131         intervening CPP_PADDING tokens.
6132         (altivec_categorize_keyword): Remove unneeded comparisons.
6134 2008-09-10  Richard Guenther  <rguenther@suse.de>
6136         * tree-ssa-pre.c (phi_translate_1): Fix memory leak.
6138 2008-09-10  Richard Guenther  <rguenther@suse.de>
6140         PR middle-end/37432
6141         * tree-inline.c (insert_init_stmt): Make sure to not
6142         insert invalid gimple stores.
6144 2008-09-10  Sebastian Pop  <sebastian.pop@amd.com>
6146         PR tree-optimization/37388
6147         * toplev.c (process_options): Fail and warn when graphite
6148         flags are used, but the compiler has not been configured
6149         with graphite libraries.
6150         * graphite.c (graphite_transform_loops): Remove printfs
6151         to dump_file for the case when graphite is not available.
6153 2008-09-10  H.J. Lu  <hongjiu.lu@intel.com>
6155         PR target/37434:
6156         * config/i386/i386.c (ix86_expand_vector_init_interleave): Force
6157         the even element into register.
6158         (ix86_expand_vector_init_general): Don't use
6159         ix86_expand_vector_init_interleave on V16QImode and V8HImode
6160         if we can't move from GPR to SSE register directly.
6162 2008-09-10  Bernd Schmidt  <bernd.schmidt@analog.com>
6164         * config/bfin/bfin.c (workaround_speculation): Correct algorithm to
6165         not lose track of the number of NOPs needed.  Number of NOPs needed
6166         for sync vs. loads workaround was switched; corrected.  Run second
6167         pass for all workarounds.  No NOPs needed after call insns.  Change
6168         second pass to use find_next_insn_start and find_load helpers in order
6169         to properly detect parallel insns.
6170         * config/bfin/bfin.md (cbranch_with_nops): Increase length.
6172 2008-09-10  Jan Hubicka  <jh@suse.cz>
6174         * value-prof.c (gimple_ic): Fix tuplification bug.
6175         * sched-deps.c (sched_insns_conditions_mutex_p): Silence unitialized
6176         var warning.
6178 2008-09-10  Jakub Jelinek  <jakub@redhat.com>
6180         PR tree-optimization/37353
6181         * tree-call-cdce.c (cond_dead_built_in_calls): Remove.
6182         (shrink_wrap_conditional_dead_built_in_calls): Add calls argument, use
6183         calls instead of cond_dead_built_in_calls.
6184         (tree_call_cdce): Add cond_dead_built_in_calls automatic variable,
6185         initalize the vector only before adding first entry.  Use VEC_safe_push
6186         instead of VEC_quick_push.  Pass cond_dead_built_in_calls to
6187         shrink_wrap_conditional_dead_built_in_calls call.
6189 2008-09-10  Ira Rosen  <irar@il.ibm.com>
6191         PR tree-optimization/37385
6192         * tree-vect-transform.c (vect_create_data_ref_ptr): Add a new
6193         argument, and use it as a vector type if not NULL.
6194         (vectorizable_store): Call vect_create_data_ref_ptr with the type of
6195         vectorized rhs.
6196         (vect_setup_realignment): Call vect_create_data_ref_ptr with
6197         additional argument.
6198         (vectorizable_load): Likewise.
6200 2008-09-10  Jakub Jelinek  <jakub@redhat.com>
6202         * config/i386/i386.md (SWI32): New mode iterator.
6203         (jcc_fused_1, jcc_fused_2, jcc_fused_3, jcc_fused_4): Use it instead
6204         of SWI.
6206 2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>
6208         PR rtl-optimization/37435
6209         * caller-save.c (insert_restore, insert_save): Check the mode by
6210         reg_save_code.
6212 2008-09-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6214         PR other/37265
6215         * dwarf2asm.c (dw2_force_const_mem): Use unstripped symbol name for
6216         splay tree lookup.
6217         (dw2_output_indirect_constant_1): Use unstripped name in symbol
6218         reference.
6220 2008-09-09  Sandra Loosemore  <sandra@codesourcery.com>
6222         * doc/invoke.texi (ARM Options): Correct errors in discussion
6223         of -mfloat-abi, -mhard-float, and -msoft-float.
6225 2008-09-09  Jakub Jelinek  <jakub@redhat.com>
6226             Jan Hubicka  <jh@suse.cz>
6228         PR middle-end/37356
6229         * tree-inline.c (copy_bb): Insert stmt into copy_basic_block before
6230         calling gimple_regimplify_operands on it.  Iterate over all newly
6231         added statements, not just the last one.
6232         (insert_init_stmt): Insert stmt into seq first, then call
6233         gimple_regimplify_operands on it.  Don't create new gimplification
6234         context, nor find referenced vars.
6236 2008-09-09  Jakub Jelinek  <jakub@redhat.com>
6238         PR other/37419
6239         * ipa-prop.h (ipa_propagate_indirect_call_infos): Change last argument
6240         to pointer to vector pointer.
6241         * ipa-prop.c (ipa_propagate_indirect_call_infos,
6242         propagate_info_to_inlined_callees): Likewise.
6243         (update_call_notes_after_inlining): Likewise.  Push new indirect edge
6244         to *new_edges instead of new_edges.  Reread IPA_EDGE_REF after
6245         ipa_check_create_edge_args.
6246         * ipa-inline.c (cgraph_decide_recursive_inlining): Change last
6247         argument to pointer to vector pointer.
6248         (cgraph_decide_inlining_of_small_function): Adjust
6249         cgraph_decide_recursive_inlining and ipa_propagate_indirect_call_infos
6250         calls.
6252         PR target/37438
6253         * config/i386/i386.md (zero_extendqihi2_movzbl): Enable when
6254         optimizing for size, not speed.
6256         PR rtl-optimization/37408
6257         * function.c (assign_parm_find_stack_rtl): Set correct MEM_SIZE
6258         if parm is promoted.
6260 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6262         PR tree-optimization/37375
6263         * tree-scalar-evolution.c (scev_info_str): Add field
6264         instantiated_below.
6265         (new_scev_info_str, eq_scev_info, find_var_scev_info,
6266         set_scalar_evolution, get_scalar_evolution, get_instantiated_value,
6267         set_instantiated_value): Pass instantiated_below.
6268         (analyze_scalar_evolution_1, analyze_scalar_evolution): Update calls
6269         to above functions.
6270         (instantiate_scev_1, instantiate_scev): Pass a basic block above which
6271         the definitions are not instantiated.
6273         * tree-scalar-evolution.h (instantiate_scev): Update declaration.
6274         (block_before_loop): New.
6275         * tree-data-ref.c (dr_analyze_indices): Update uses of
6276         instantiate_scev.
6277         * graphite.c (block_before_scop): New.
6278         (loop_affine_expr, stmt_simple_for_scop_p, harmful_stmt_in_bb): Pass a
6279         basic block, not a loop for determining the parameters.
6280         (scopdet_edge_info, build_scops_1): Do not pass outermost loop in the
6281         scop.
6282         (idx_record_params, find_params_in_bb, find_scop_parameters,
6283         build_loop_iteration_domains, add_conditions_to_domain): Update calls
6284         to instantiate_scev.
6286         * Makefile.in (cfgloopmanip.o): Add missing dependency on TREE_FLOW_H.
6288 2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>
6290         PR rtl-opt/37333
6292         * ira-build.c (ira_create_allocno): Setup frequency to 0.
6294         * ira-color.c (update_conflict_hard_regno_costs): Remove assert.
6295         Check zero freq and increase if necessary.
6297 2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>
6299         * ira-conflicts.c (process_regs_for_copy): Check that the hard
6300         regno is in the right range.  Add comments.
6302 2008-09-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6304         * Makefile.in (mips-tfile.o-warn): Don't error out on mips-tfile.c
6305         warnings.
6306         * mips-tfile.c (copy_object): Cast alloca result to int *.
6307         * mips-tdump.c (print_symbol): Cast xmalloc return values to
6308         proper types.
6309         Rename class to sclass.
6310         (read_tfile): Cast read_seek return values to proper types.
6311         Cast xcalloc return value to proper type.
6313 2008-09-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6315         * config/sol2.h (REGISTER_TARGET_PRAGMAS): Move ...
6316         * config/i386/sol2.h (REGISTER_SUBTARGET_PRAGMAS): ... here.
6317         * config/sparc/sol2.h (REGISTER_TARGET_PRAGMAS): ... and here.
6319 2008-09-09  Jan Hubicka  <jh@suse.cz>
6321         * profile.c (is_edge_inconsistent): Add debug output; ignore
6322         negative count on fake edges.
6323         (is_inconsistent): Add debug output.
6325 2008-09-09  Andrey Belevantsev  <abel@ispras.ru>
6327         * haifa-sched.c (advance_one_cycle): Do not print '\n' before printing
6328         dump message.
6329         (choose_ready): When first insn is chosen from the ready list, also
6330         dump it.
6332 2008-09-09  Andrey Belevantsev  <abel@ispras.ru>
6334         PR rtl-optimization/37360
6335         * haifa-sched.c (max_issue): Do not assert that we never issue more
6336         insns than issue_rate.  Add comment.
6338 2008-09-09  Richard Guenther  <rguenther@suse.de>
6340         * tree-cfg.c (verify_types_in_gimple_op): Remove.
6341         (verify_types_in_gimple_call): Rename to ...
6342         (verify_gimple_call): ... this.  Enhance.
6343         (verify_types_in_gimple_cond): Remove.
6344         (verify_gimple_comparison): New function ...
6345         (verify_types_in_gimple_assign): ... split out from here.
6346         (verify_types_in_gimple_return): Rename to ...
6347         (verify_gimple_return): ... this.  Enhance.
6348         (verify_types_in_gimple_switch): Rename to ...
6349         (verify_gimple_switch): ... this.  Enhance.
6350         (verify_gimple_goto): New function.
6351         (verify_types_in_gimple_phi): Rename to ...
6352         (verify_gimple_phi): ... this.  Enhance.
6353         (verify_types_in_gimple_stmt): Adjust calls to helper functions.
6354         Fold in single-statement cases from verify_types_in_gimple_seq_2.
6355         (verify_types_in_gimple_seq_2): Remove cases handled in
6356         verify_types_in_gimple_stmt.
6358 2008-09-09  Bernd Schmidt  <bernd.schmidt@analog.com>
6360         * config/bfin/bfin.c (n_regs_to_save): New static variable.
6361         (push_multiple_operation, pop_multiple_operation): Set it.
6362         (workaround_rts_anomaly): New function.
6363         (workaround_speculation): New function, broken out of bfin_reorg.
6364         (bfin_reorg): Call the new functions.
6366 2008-09-09  Richard Guenther  <rguenther@suse.de>
6368         PR middle-end/37354
6369         PR middle-end/30165
6370         * gimplify.c (gimplify_conversion): Change conversions of
6371         non-register type to VIEW_CONVERT_EXPRs.
6372         (gimplify_addr_expr): If we need to make the operand
6373         addressable make sure to use a properly initialized
6374         temporary for that so it gets a valid gimple store.
6376 2008-09-09  Aldy Hernandez  <aldyh@redhat.com>
6378         * function.h (struct function): Add function_start_locus.
6379         * cfgexpand.c (gimple_expand_cfg): Use it.
6380         * c-parser.c (c_parser_declaration_or_fndef): Set it.
6382 2008-09-09  Richard Guenther  <rguenther@suse.de>
6384         PR tree-optimization/37433
6385         * tree-ssa-ccp.c (ccp_fold): Properly guard folding of
6386         function calls.
6388 2008-09-09  Richard Guenther  <rguenther@suse.de>
6390         PR tree-optimization/37387
6391         * tree-ssa-ifcombine.c (ifcombine_iforif): Convert the name
6392         and bits to a common type.
6394 2008-09-09  Nick Clifton  <nickc@redhat.com>
6396         * config/v850/v850.md (return): Restore frame size restriction.
6398 2008-09-09  Paolo Bonzini  <bonzini@gnu.org>
6400         * c-common.c (c_expand_decl): Remove.
6401         * c-common.h (anon_aggr_type_p): Remove prototype.
6402         (DECL_ANON_UNION_ELEMS): Remove.
6403         * c-objc-common.h (LANG_HOOKS_EXPAND_DECL): Remove.
6404         * c-decl.c (anon_aggr_type_p): Remove.
6405         * langhooks-def.h (LANG_HOOKS_EXPAND_DECL): Remove.
6406         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_EXPAND_DECL.
6407         * langhooks.h (struct lang_hooks): Remove expand_decl.
6408         * langhooks.c (lhd_expand_decl): Remove.
6409         * stmt.c (expand_anon_union_decl): Remove.
6410         * tree.h (expand_anon_union_decl): Remove prototype.
6412 2008-08-09  Andy Hutchinson  <hutchinsonandy@aim.com>
6414         PR target/36609
6415         * config/avr/avr.c (avr_reorg): Create RTL for reversed compare with
6416         zero.
6417         * config/avr/avr.md  (QISI): Define mode iterator.
6418         (negated_tst<mode>): Redefine as split using mode macro.
6419         (reversed_tstqi): Define insn as reversed compare with zero.
6420         (reversed_tsthi): Ditto.
6421         (reversed_tstsi): Ditto.
6423 2008-09-08  Jakub Jelinek  <jakub@redhat.com>
6425         PR middle-end/37393
6426         * tree-inline.c (copy_bb): When replacing a gimple_call_va_arg_pack_p
6427         call stmt by new_call, clear gimple_bb on stmt after gsi_replace.
6429         PR middle-end/37414
6430         * predict.c (optimize_function_for_size_p): Don't segfault if
6431         FUN is NULL.
6432         * fold-const.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop,
6433         tree_swap_operands_p): Don't test cfun != NULL before calling
6434         optimize_function_for_s*_p.
6436 2008-09-08  Eric Botcazou  <ebotcazou@adacore.com>
6438         * ira-color.c (ira_reuse_stack_slot): Set slot_num on success at the
6439         end of the search.
6441 2008-09-08  M R Swami Reddy  <MR.Swami.Reddy@nsc.com>
6443         * crx/crx.h (IRA_COVER_CLASSES): Define.
6445 2008-09-08  Jakub Jelinek  <jakub@redhat.com>
6447         PR middle-end/37337
6448         * tree-ssa-dom.c (optimize_stmt): Call maybe_clean_or_replace_eh_stmt
6449         even when a stmt has been gimple_modified_p, but after fold_stmt is
6450         not any longer.  Remove unneeded may_have_exposed_new_symbols
6451         initializations.
6453 2008-09-08  Richard Guenther  <rguenther@suse.de>
6455         PR tree-optimization/37421
6456         * tree-ssa-sccvn.c (visit_copy): Make sure to fully
6457         valueize the RHS.
6459 2008-09-08  Jakub Jelinek  <jakub@redhat.com>
6461         PR middle-end/37415
6462         * opts.c (common_handle_option): Handle OPT_ftree_store_ccp.
6464 2008-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6466         PR driver/37409
6467         * pa-hpux.h (LINK_SPEC): Strip -fwhole-program.
6468         * pa-hpux10.h (LINK_SPEC): Likewise.
6469         * pa-hpux11.h (LINK_SPEC): Likewise.
6471 2008-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6473         * pa32-regs.h (IRA_COVER_CLASSES): Define.
6474         * pa64-regs.h (IRA_COVER_CLASSES): Define.
6476 2008-09-07  Helge Deller  <deller@gmx.de>
6478         * pa/linux-atomic.c: New file.
6479         * pa/t-linux (LIB2FUNCS_STATIC_EXTRA): Define.
6480         * pa/t-linux64 (LIB2FUNCS_STATIC_EXTRA): Define.
6482 2008-09-07  Richard Guenther  <rguenther@suse.de>
6483             Ira Rosen  <irar@il.ibm.com>
6485         PR tree-optimization/36630
6486         * tree-vect-transform.c (vect_update_ivs_after_vectorizer):
6487         Call STRIP_NOPS before calling evolution_part_in_loop_num.
6489 2008-09-07  Dorit Nuzman  <dorit@il.ibm.com>
6490             Ira Rosen  <irar@il.ibm.com>
6492         PR tree-optimization/35642
6493         * config/rs6000/altivec.md (mulv8hi3): Implement.
6495 2008-09-06  Jeff Law  <law@redhat.com>
6497         * h8300/h8300.h (IRA_COVER_CLASSES): Define.
6499 2008-09-06  Jan Hubicka  <jh@suse.cz>
6501         PR tree-optimization/14703
6502         * tree-ssa-live.c (remove_unused_scope_block_p): Remove ignored
6503         declarations.
6504         * passes.c (init_optimization_passes): Recompute inline parameters.
6506 2008-09-06  Richard Sandiford  <rdsandiford@googlemail.com>
6508         * config/mips/mips.c (mips_function_ok_for_sibcall): Check for
6509         DECL being null.
6511 2008-09-06  Richard Sandiford  <rdsandiford@goolemail.com>
6512             Peter Fuerst  <post@pfrst.de>
6514         * doc/invoke.texi: Document -mr10k-cache-barrier=.
6515         * doc/extend.texi: Document __builtin_mips_cache.
6516         * config/mips/mips-ftypes.def: Add a (VOID, SI, CVPOINTER) entry.
6517         * config/mips/mips.opt (mr10k-cache-barrier=): New option.
6518         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
6519         __GCC_HAVE_BUILTIN_MIPS_CACHE.
6520         (TARGET_CACHE_BUILTIN, ISA_HAS_CACHE): New macros.
6521         * config/mips/mips.c (mips_r10k_cache_barrier_setting): New enum.
6522         (set_push_mips_isas): New variable.
6523         (mips_r10k_cache_barrier): New variable.
6524         (cache): New availability predicate.
6525         (mips_builtins): Add an entry for __builtin_mips_cache.
6526         (mips_build_cvpointer_type): New function.
6527         (MIPS_ATYPE_CVPOINTER): New macro.
6528         (mips_prepare_builtin_arg): Only use the insn's mode if the rtx's
6529         mode is VOIDmode.
6530         (r10k_simplified_address_p, r10k_simplify_address)
6531         (r10k_uncached_address_p, r10k_safe_address_p)
6532         (r10k_needs_protection_p_1, r10k_needs_protection_p_store)
6533         (r10k_needs_protection_p_call, r10k_needs_protection_p)
6534         (r10k_insert_cache_barriers): New functions.
6535         (mips_reorg_process_insns): Delete cache barriers after a
6536         branch-likely instruction.
6537         (mips_reorg): Call r10k_insert_cache_barriers.
6538         (mips_handle_option): Handle OPT_mr10k_cache_barrier_.
6539         * config/mips/mips.md (UNSPEC_MIPS_CACHE): New constant.
6540         (UNSPEC_R10K_CACHE_BARRIER): Likewise.
6541         (mips_cache, r10k_cache_barrier): New define_insns.
6543 2008-09-06  Richard Sandiford  <rdsandiford@googlemail.com>
6545         * ira-int.h (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
6546         * ira-color.c (setup_allocno_left_conflicts_num): Use
6547         hard_reg_set_equal_p instead of a comparison with
6548         ira_zero_hard_reg_set.
6549         * ira.c (setup_reg_subclasses): Likewise.
6550         (setup_cover_and_important_classes): Likewise.
6551         (setup_class_translate): Likewise.
6552         (setup_reg_class_intersect_union): Likewise.
6553         (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
6554         (ira_init_once): Don't initialize them.
6556 2008-09-05  Vladimir Makarov  <vmakarov@redhat.com>
6558         * doc/tm.texi (IRA_COVER_CLASSES): Fix a typo.
6560 2008-09-05  Vladimir Makarov  <vmakarov@redhat.com>
6562         * ira-color.c (ira_fast_allocation): Permit global allocno allocation.
6564 2008-09-05  Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
6566         Improved branch hints, safe hints, and scheduling.
6568         * haifa-sched.c (sched_emit_insn): Define.
6569         * sched-int.h (sched_emit_insn): Add prototype.
6570         * doc/invoke.texi (-mdual-nops, -mhint-max-nops,
6571         -mhint-max-distance -msafe-hints): Document.
6572         * config/spu/spu.c (spu_flag_var_tracking): New.
6573         (TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_INIT,
6574         TARGET_SCHED_REORDER, TARGET_SCHED_REORDER2,
6575         TARGET_ASM_FILE_START): Define.
6576         (TARGET_SCHED_ADJUST_PRIORITY): Remove.
6577         (STOP_HINT_P, HINTED_P, SCHED_ON_EVEN_P): Define.
6578         (spu_emit_branch_hint): Add blocks argument.
6579         (insert_branch_hints, insert_nops): Remove.
6580         (pad_bb, insert_hbrp_for_ilb_runout, insert_hbrp, in_spu_reorg,
6581         uses_ls_unit, spu_sched_init_global, spu_sched_init,
6582         spu_sched_reorder, asm_file_start): New functions.
6583         (clock_var, spu_sched_length, pipe0_clock,
6584         pipe1_clock, prev_clock_var, prev_priority,
6585         spu_ls_first, prev_ls_clock): New static variables.
6586         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_SAFE_HINTS.
6587         * config/spu.md (iprefetch): Add operand, make it clobber MEM.
6588         (nopn_nv): Add a non-volatile version of nop.
6589         * config/spu/spu.opt (-mdual-nops, -mhint-max-nops,
6590         -mhint-max-distance, -msafe-hints): New options.
6592 2008-09-05  Janis Johnson  <janis187@us.ibm.com>
6593             Samuel Tardieu  <sam@rfc1149.net>
6595         * opts.c (decode_options): Combine nested if statements.
6597         PR target/37283
6598         * opts.c (decode_options): Handle more relationships among
6599         unit-at-a-time, toplevel-reorder, and section-anchors.
6601 2008-09-05  David Daney  <ddaney@avtrex.com>
6603         * doc/install.texi (--enable-reduced-reflection): Document new option.
6605 2008-09-05  Bob Wilson  <bob.wilson@acm.org>
6607         * config/xtensa/predicates.md (nonimmed_operand, mem_operand): Use
6608         constantpool_mem_p.
6609         (constantpool_operand): New.
6610         (move_operand): Disallow sub-word modes for the constant pool.
6611         * config/xtensa/xtensa.c (TARGET_SECONDARY_RELOAD): Define.
6612         (xtensa_secondary_reload_class): Replace with....
6613         (xtensa_secondary_reload): this function.  Remove SIGN_EXTEND check.
6614         Set icode for sub-word reloads from the constant pool.
6615         * config/xtensa/xtensa.h (SECONDARY_INPUT_RELOAD_CLASS): Delete.
6616         (SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
6617         * config/xtensa/xtensa.md (reload<mode>_literal): New.
6618         * config/xtensa/xtensa-protos.h: Update prototypes.
6620 2008-09-05  Joseph Myers  <joseph@codesourcery.com>
6622         * config/mips/mips.h (enum reg_class): Add FRAME_REGS.
6623         (REG_CLASS_NAMES): Update.
6624         (REG_CLASS_CONTENTS): Update.
6625         * config/mips/mips.c (mips_regno_to_class): Use FRAME_REGS instead
6626         of ALL_REGS for regs 77 and 78.
6627         * function.c (instantiate_virtual_regs_in_insn): Assert that
6628         return value of simplify_gen_subreg is not NULL.
6630 2008-09-05  Paolo Bonzini  <bonzini@gnu.org>
6632         * emit-rtl.c (gen_rtvec): Rewrite not using gen_rtvec_v.
6633         (gen_rtvec_v): Fix coding standards.
6635 2008-09-04  Jan Hubicka  <jh@suse.cz>
6637         * i386.c (decide_alg): Be more conservative about optimizing for size.
6639 2008-09-04  Ian Lance Taylor  <iant@google.com>
6641         * varasm.c (narrowing_initializer_constant_valid_p): New
6642         static function.
6643         (initializer_constant_valid_p): Call it.
6645 2008-09-04  Jeff Law  <law@redhat.com>
6647         * fold-const.c (native_encode_real): Fix computation of WORDS.
6648         (native_interpret_real): Likewise.
6650 2008-09-04  Janis Johnson  <janis187@us.ibm.com>
6652         * config/rs6000/t-rs6000: Remove target gt-rs6000.h.
6654 2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>
6656         * ira-conflicts.c (process_regs_for_copy): Check insn to check
6657         that the cost is already taken into account in ira-costs.c
6659         * ira-int.h (ira_debug_copy, ira_debug_copies): New.
6661         * ira-build.c (print_copy, print_copies, ira_debug_copy,
6662         ira_debug_copies): New.
6663         (ira_bulid): Call print_copies.
6665         * doc/tm.texi (IRA_COVER_CLASSES): Fix the description.
6667 2008-09-04  Samuel Tardieu  <sam@rfc1149.net>
6669         PR target/32783
6670         * config/rs6000/rs6000.c (optimization_options): Remove check of
6671         flag_toplevel_order.
6673 2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>
6675         * config/mips/mips.h (ISA_HAS_SEQ_SNE): New macro.
6676         * config/mips/mips.c (mips_expand_scc): Also expand seq and sne if
6677         second operand is a reg_imm10_operand.
6678         * config/mips/mips.md (*seq_<GPR:mode><GPR2:mode>_seq,
6679         *sne_<GPR:mode><GPR2:mode>_sne): New patterns.
6680         (*seq_<GPR:mode><GPR2:mode>): Rename to
6681         *seq_zero_<GPR:mode><GPR2:mode>.  Don't match if
6682         ISA_HAS_SEQ_SNE.
6683         (*seq_<GPR:mode><GPR2:mode>_mips16): Rename to
6684         *seq_zero_<GPR:mode><GPR2:mode>_mip16.  Don't match if
6685         ISA_HAS_SEQ_SNE.
6686         (*sne_<GPR:mode><GPR2:mode>): Rename to
6687         *sne_zero_<GPR:mode><GPR2:mode>.  Don't match if
6688         ISA_HAS_SEQ_SNE.
6690 2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>
6692         * config/mips/mips.h (ISA_HAS_EXTS): New macro.
6693         * config/mips/mips.md (*ashr_trunc<mode>): Name the pattern
6694         combining an arithmetic right shift by more than 31 and a
6695         trunction.  Don't match for out-of-range shift amounts.  Set
6696         attribute mode to <MODE>.
6697         (*lshr32_trunc<mode>): Name the pattern combining a logical right
6698         shift by 32 and and a truncation.  Set attribute mode to <MODE>.
6699         (*<optab>_trunc<mode>_exts): New pattern for truncated right
6700         shifts by less than 32.
6701         (extv): Change predicate on first operand to accept registers.
6702         Change predicate of the other operands from immediate_operand to
6703         const_int_operand.  Expand exts when source is a register.
6704         (extzv): Change predicate of the constant operands from
6705         immediate_operand to const_int_operand.
6706         (extzv<mode>): Change predicate of the constant operands from
6707         immediate_operand to const_int_operand and no constraint. Also
6708         remove mode.
6709         (*extzv_trunc<mode>_exts): New pattern.
6711 2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>
6713         * config/mips/mips.h (ISA_HAS_CINS): New macro.
6714         * config/mips/mips-protos.h (mask_low_and_shift_p,
6715         mask_low_and_shift_len): Declare.
6716         * config/mips/mips.c (mask_low_and_shift_p,
6717         mask_low_and_shift_len): New functions.
6718         (mips_print_operand): Handle new operand prefix "m".
6719         * config/mips/mips.md (*cins<mode>): New pattern.
6721 2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>
6723         * config/bfin/bfin.c (gen_one_bundle): Don't create new nops when
6724         optimizing for size.
6726 2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>
6728         * df-scan.c (df_get_entry_block_def_set): Add STACK_POINTER_REGNUM
6729         regardless of epilogue_completed.
6731 2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>
6733         PR middle-end/37359
6734         * ira-lives.c (process_bb_node_lives): Check setjmp.
6736 2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>
6738         PR middle-end/37243
6739         * ira-build.c (form_loop_tree): Reverse BB walk.
6740         (create_bb_allocnos): Likewise.
6741         * ira-lives.c (make_regno_born_and_dead, regs_set): Delete.
6742         (mark_reg_store): Rename to...
6743         (mark_ref_live): ...this and take a df_ref argument instead of
6744         note_stores arguments.  Assert that we have a register.
6745         (mark_reg_clobber): Delete.
6746         (def_conflicts_with_inputs_p): New function.
6747         (mark_reg_conflicts): Delete.
6748         (mark_reg_death): Rename to...
6749         (mark_ref_dead): ...this and take a df_ref argument instead of
6750         a register.  Assert that we have a register.
6751         (process_bb_node_lives): Hoist frequency calculation out of
6752         instruction walk.  Convert from a forwards scan to a backwards scan.
6753         Use DF_REF_USES and DF_REF_DEFS instead of register notes and
6754         note_stores.  Remove EH_RETURN_DATA_REGNO and regs_set handling.
6755         (create_allocno_live_ranges): Don't create regs_set.
6757 2008-09-04  Ian Lance Taylor  <iant@google.com>
6759         * rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND
6760         or REG_LABEL_TARGET.
6761         * calls.c (emit_library_call_value_1): Use MEM_P rather than
6762         comparing MODE with MEM.
6763         * gimple.c (gimple_build_predict): Cast END_PREDICTORS before
6764         comparing with GF_PREDICT_TAKEN.
6765         (gimple_get_lhs): Change code to enum gimple_code.
6766         (gimple_set_lhs): Likewise.
6767         * ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE.
6768         * omp-low.c (find_omp_clause): Change kind parameter to enum
6769         omp_clause_code.
6770         * tree-flow.h (find_omp_clause): Update declaration.
6771         * regrename.c (clear_dead_regs): Change kind parameter to enum
6772         reg_note.
6773         * reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than
6774         GET_MODE.
6775         * see.c (see_get_extension_data): Change return type to enum
6776         entry_type.  Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to
6777         SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF.
6778         (see_gen_normalized_extension): Change extension_code parameter to
6779         enum entry_type.
6780         (see_seek_pre_extension_expr): Change extension_code to enum
6781         entry_type.
6782         (see_merge_one_def_extension): Likewise.
6783         (see_handle_relevant_defs): Likewise.
6784         (see_handle_relevant_uses): Likewise.
6785         (see_analyze_one_def): Likewise.
6786         * tree-cfg.c (need_fake_edge_p): Compare gimple code with
6787         GIMPLE_ASM rather than ASM_EXPR.
6788         * tree-ssa-alias.c (is_escape_site): Compare gimple code with
6789         GIMPLE_RETURN rather than RETURN_EXPR.
6790         * tree-ssa-ccp.c (likely_value): Change code to enum gimple_code.
6791         (evaluate_stmt): Likewise.
6792         * tree-vect-analyze.c (vect_analyze_operations): Change relevance
6793         to enum vect_relevant.
6794         (vect_mark_stmts_to_be_vectorized): Change assertion to not
6795         compare gimple codes with tree codes.
6797 2008-09-04  Paul Brook  <paul@codesourcery.com>
6799         * config/arm/arm.c (arm_size_rtx_costs): Call cost function.
6801 2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>
6803         * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null
6804         pointer check lost in the recent no-unit-at-a-time patch.
6806 2008-09-04  Jan Hubicka  <jh@suse.cz>
6808         PR middle-end/37343
6809         * tree-switch-conversion.c (check_final_bb): Accept only IP
6810         invariants.
6812 2008-09-04  Jan Hubicka  <jh@suse.cz>
6814         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops_using_ranges):
6815         Break out from ...
6816         (vrp_evaluate_conditional_warnv_with_ops): ... this one.  Add
6817         using_ranges argument.
6818         (vrp_evaluate_conditional): Avoid bogus warning for type range.
6819         (vrp_visit_cond_stmt): Update call of
6820         vrp_evaluate_conditional_warnv_with_ops
6822 2008-09-04  Jan Hubicka  <jh@suse.cz>
6824         PR tree-optimization/37345
6825         PR tree-optimization/37358
6826         PR tree-optimization/37357
6827         * tree.c (build_function_type_skip_args): Build distinct type copy;
6828         set TYPE_CONTEXT.
6829         (build_function_decl_skip_args): Set type of new decl not orig decl;
6830         clear DECL_VINDEX for methods turned into functions.
6832 2008-09-04  Nick Clifton  <nickc@redhat.com>
6834         * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler check.
6835         * configure: Regenerate.
6836         * config.in: Regenerate.
6837         * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
6838         alignment field, if it is supported.
6840 2008-09-04  Kai Tietz  <kai.tietz@onevision.com>
6842         * config/i386/t-mingw32 (SHLIB_LC): Change order of import
6843         libraries.
6845 2008-09-03  David Edelsohn  <edelsohn@gnu.org>
6847         * config/rs6000/rs6000.c (processor_target_table): Do not
6848         enable VMX for POWER6.
6850 2008-09-03  Anton Blanchard  <anton@samba.org>
6852         * config/rs6000/rs6000.c (rs6000_split_lock_test_and_set): Do not
6853         emit memory barrier before operation.
6855 2008-09-03  John David Anglin  <dave.anglin@nrc.cnrc.gc.ca>
6857         PR testsuite/37325
6858         * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL_REAL): Call
6859         default_elf_asm_output_external.
6861 2008-09-03  Jeff Law  <law@redhat.com>
6863         * h8300.c (expand_a_shift): Avoid invalid RTL sharing.
6865 2008-09-03  Richard Henderson  <rth@redhat.com>
6867         * config/alpha/alpha.c (alpha_split_lock_test_and_set): Move
6868         memory barrier to below the test-and-set.
6869         (alpha_split_lock_test_and_set_12): Likewise.
6871 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
6873         PR rtl-opt/37243
6875         * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to
6876         all_allocnos.
6878         * ira-color.c (print_loop_title): Use all_allocnos.
6879         (color_pass): Ditto.  Don't add border_allocnos.  Check that
6880         subloop allocno in the correspdoning bitmap all_allocnos.
6882         * ira-emit.c (change_loop): Use all_allocnos.
6884         * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node): Ditto.
6885         (ira_create_allocno): Set up all_allocnos bit for the created allocno.
6886         (create_cap_allocno): Remove setting mentioned_allocnos.
6887         (create_insn_allocnos): Ditto.
6888         (remove_unnecessary_allocnos): Use all_allocnos.
6889         (check_allocno_creation): Check that allocnos are in the
6890         corresponding bitmap all_allocnos.
6892 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
6894         PR rtl-opt/37243
6896         * ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New.
6897         (process_regs_for_copy): Process subregs.  Refine check when cost
6898         is taken into account in ira-costs.c.
6899         (process_reg_shuffles): Use REG_SUBREG_P.
6900         (add_insn_allocno_copies): Ditto.  Ignore modes.
6902         * ira-color.c (conflict_allocno_vec): New.
6903         (COST_HOP_DIVISOR): New macro.
6904         (update_copy_costs_1): Use it.
6905         (update_conflict_hard_regno_costs): New function.
6906         (assign_hard_reg): Use it.
6907         (ira_color): Allocate and free conflict_allocno_vec.
6909 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
6911         PR rtl-opt/37296
6913         * ira-int.h (ira_sort_insn_chain): Remove.
6915         * ira.c (basic_block_order_nums, chain_insn_order,
6916         chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove.
6917         (ira): Don't call ira_sort_insn_chain.
6919         * reload1.c (reload): Don't call ira_sort_insn_chain.
6921 2008-09-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6923         PR middle-end/37293
6924         * cgraphunit.c (update_call_expr): Remove eh regions from statements
6925         which become non throw.
6926         (cgraph_function_versioning): Also clear DECL_WEAK.  Call
6927         update_call_expr after updating the flags on the decl.
6929 2008-09-03  Jan Hubicka  <jh@suse.cz>
6931         PR tree-optimization/37315
6932         * cgraph.c (cgraph_create_edge): Use gimple_has_body_p.
6933         * cgraphunit.c (verify_cgraph_node): drop gimple_body check.
6934         (cgraph_analyze_functions): Use node->analyzed
6935         (cgraph_mark_functions_to_output): Likewise.
6936         (cgraph_expand_function): All functions can be released after
6937         expanding.
6938         (cgraph_optimize): Use gimple_has_body_p.
6939         * ipa-inline.c (cgraph_clone_inlined_nodes): Use analyzed flag.
6940         (cgraph_decide_inlining_incrementally): Likewise.
6941         (inline_transform): Inline transform.
6942         * tree-inline.c (initialize_cfun): Do now shallow copy structure;
6943         copy fields needed.
6944         (inlinable_function_p): Drop gimple_body check.
6945         (expand_call_inline): Use gimple_has_body_p.
6946         * gimple.c (gimple_has_body_p): New.
6947         * gimple.h (gimple_has_body_p): Add prototype.
6948         * tree-cfg.c (execute_build_cfg): Remove gimple_body.
6949         (dump_function_to_file): Use gimple_has_body_p check.
6951 2008-09-03  Jakub Jelinek  <jakub@redhat.com>
6953         PR c++/37346
6954         * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has
6955         substatements.
6956         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL.
6958 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
6960         From Michael Frysinger  <michael.frysinger@analog.com>
6961         * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524,
6962         bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549.  Add 0.2
6963         for bf538.
6965 2008-09-03  Hari Sandanagobalane  <hariharan@picochip.com>
6967         Add picoChip port.
6968         * doc/extend.texi: Document picoChip builtin functions.
6969         * doc/invoke.texi: Document picoChip options.
6970         * doc/contrib.texi: Add picoChip contribution.
6971         * doc/md.texi: Document picoChip constraints.
6972         * config.gcc: Add picochip-*-*.
6973         * config/picochip/: Add new port.
6975 2008-09-03  Richard Guenther  <rguenther@suse.de>
6977         PR tree-optimization/37328
6978         * tree-sra.c (sra_build_assignment): Gimplify properly.
6979         (generate_copy_inout): Take the correct stmt as definition,
6980         remove bogus assert.
6982 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
6984         * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit
6985         attributes.
6987         From Michael Frysinger  <michael.frysinger@analog.com>
6988         * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning.
6990 2008-09-03  Danny Smith  <dannysmith@usrs.sourceforge.net>
6992         * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is defined.
6993         (__gthread_setspecific): Revert 2008-08-31 change to
6994         __GTHREAD_HIDE_W32API case.  Apply it to !__GTHREAD_HIDE_W32API case.
6996 2008-09-02  Aldy Hernandez  <aldyh@redhat.com>
6998         * diagnostic.c (error_at): New.
6999         * toplev.h (error_at): New prototype.
7000         * c-typeck.c (build_array_ref): Call error_at instead of error.
7001         Pass location to pedwarn.
7003 2008-09-02  Adam Nemet  <anemet@caviumnetworks.com>
7005         * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused.
7007 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
7009         * dwarf2out.c (tree_add_const_value_attribute): Only handle
7010         VAR_DECL and CONST_DECL.
7012 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
7013             Jakub Jelinek  <jakub@redhat.com>
7015         * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed.
7016         (setup_incoming_varargs_64): Assume cum != NULL. Set/check
7017         ix86_varargs_gpr_size and ix86_varargs_fpr_size.  Use
7018         ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX.
7019         Don't set ix86_save_varrargs_registers.
7020         (ix86_setup_incoming_varargs): Assume cum != NULL.
7021         (ix86_va_start): Check ix86_varargs_gpr_size and
7022         ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and
7023         cfun->va_list_fpr_size, respectively.  Subtract 8*X86_64_REGPARM_MAX
7024         from frame pointer if ix86_varargs_gpr_size == 0.
7025         (ix86_compute_frame_layout): Updated.
7026         * config/i386/i386.h (ix86_save_varrargs_registers): Removed.
7027         (ix86_varargs_gpr_size): Define.
7028         (ix86_varargs_fpr_size): Likewise.
7029         (machine_function): Remove save_varrargs_registers.
7030         Add varargs_gpr_size and varargs_fpr_size.
7032 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
7034         * config/alpha/alpha.c (va_list_skip_additions,
7035         alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify.
7036         (alpha_gimplify_va_arg): Call unshare_expr on second use of
7037         offset_field.
7039         PR tree-optimization/36766
7040         * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing
7041         for already removed basic blocks.
7043         PR target/36332
7044         * real.c (real_maxval): Clear a lower bit to make real_maxval
7045         match get_max_float for IBM long double format.
7047 2008-09-02  Andreas Schwab  <schwab@suse.de>
7049         * configure.ac: Use m4_quote to quote the expansion of m4_do.
7050         * configure: Regenerate.
7052 2008-09-02  Richard Sandiford  <rdsandiford@googlemail.com>
7054         * simplify-rtx.c (simplify_binary_operation_1): Check for CONST,
7055         SYMBOL_REF and LABEL_REF when applying plus_constant, instead of
7056         checking for a non-VOID CONSTANT_P.
7058 2008-09-02  Jan Hubicka  <jh@suse.cz>
7060         * predict.c (pass_strip_predict_hints): Avoid bugs dump file.
7061         * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and
7062         sdiv_pow2_cheap
7064 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
7066         * expr.c (emit_group_store): Don't assert stack temp mode size.
7068 2008-09-02  Sebastian Pop  <sebastian.pop@amd.com>
7069             Tobias Grosser  <grosser@fim.uni-passau.de>
7070             Jan Sjodin  <jan.sjodin@amd.com>
7071             Harsha Jagasia  <harsha.jagasia@amd.com>
7072             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7073             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7074             Adrien Eliche  <aeliche@isty.uvsq.fr>
7076         Merge from graphite branch.
7077         * graphite.c: New.
7078         * graphite.h: New.
7079         * tree-loop-linear.c (perfect_loop_nest_depth): Export.
7080         * doc/invoke.texi (-floop-block, -floop-interchange,
7081         -floop-strip-mine): Document new flags.
7082         * tree-into-ssa.c (gimple_vec): Moved...
7083         * tree-loop-distribution.c (rdg_component): Moved...
7084         * cfgloopmanip.c: Include tree-flow.h.
7085         (update_dominators_in_loop): New.
7086         (create_empty_if_region_on_edge): New.
7087         (create_empty_loop_on_edge): New.
7088         (loopify): Use update_dominators_in_loop.
7089         * tree-pass.h (pass_graphite_transforms): Declared.
7090         * configure: Regenerate.
7091         * tree-phinodes.c (make_phi_node): Export.
7092         (add_phi_node_to_bb): New, split from create_phi_node.
7093         * tree-chrec.c (for_each_scev_op): New.
7094         * tree-chrec.h (for_each_scev_op): Declared.
7095         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
7096         (remove_statement): Call get_phi_with_result.
7097         * config.in (HAVE_cloog): Undef.
7098         * gdbinit.in (pgg): New.
7099         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7100         * tree-ssa-loop.c (graphite_transforms): New.
7101         (gate_graphite_transforms): New.
7102         (pass_graphite_transforms): New.
7103         * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
7104         HAVE_cloog): Defined.
7105         * tree-vectorizer.c (rename_variables_in_bb): Export.
7106         * tree-data-ref.c (dr_may_alias_p): Export.
7107         (stmt_simple_memref_p): New.
7108         (find_data_references_in_stmt): Export.
7109         (find_data_references_in_loop): Export.
7110         (create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
7111         (create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
7112         (create_rdg_vertices): Export.
7113         (build_empty_rdg): New.
7114         (build_rdg): Call build_empty_rdg.  Free dependence_relations.
7115         * tree-data-ref.h (rdg_component): ... here.
7116         (scop_p): New.
7117         (struct data_reference): Add a field scop.
7118         (DR_SCOP): New.
7119         (find_data_references_in_loop): Declared.
7120         (find_data_references_in_stmt): Declared.
7121         (create_rdg_vertices): Declared.
7122         (dr_may_alias_p): Declared.
7123         (stmt_simple_memref_p): Declared.
7124         (struct rdg_edge): Add a field ddr_p relation.
7125         (build_empty_rdg): Declared.
7126         * lambda.h (lambda_matrix): Declare a VEC of.
7127         (find_induction_var_from_exit_cond): Declared.
7128         (lambda_vector_compare): New.
7129         * common.opt (fgraphite, floop-strip-mine,
7130         floop-interchange, floop-block): New flags.
7131         * lambda-code.c (find_induction_var_from_exit_cond): Export.
7132         * cfgloop.c (is_loop_exit): New.
7133         * cfgloop.h (is_loop_exit): Declared.
7134         (create_empty_if_region_on_edge): Declared.
7135         (create_empty_loop_on_edge): Declared.
7136         * tree-flow.h (add_phi_node_to_bb): Declared.
7137         (make_phi_node): Declared.
7138         (rename_variables_in_bb): Declared.
7139         (perfect_loop_nest_depth): Declared.
7140         (graphite_transform_loops): Declared.
7141         * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
7142         (graphite.o-warn): Add -Wno-error.
7143         (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
7144         (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
7145         (INCLUDES): Add PPLINC, CLOOGINC.
7146         (OBJS-common): Add graphite.o.
7147         (graphite.o): Add rule.
7148         * gimple.h (gimple_vec): ... here.
7149         * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
7150         * passes.c (init_optimization_passes): Schedule
7151         pass_graphite_transforms.
7153 2008-09-02  Samuel Tardieu  <sam@rfc1149.net>
7155         PR target/37283
7156         * opts.c (decode_options): Move processing of -fno-unit-at-a-time
7157         and -fno-toplevel-reorder after handle_options.
7159 2008-09-02  Paul Brook  <paul@codesourcery.com>
7161         * config/arm/arm.c (arm_tune_cortex_a9): Define.
7162         (arm_override_options): Set arm_tune_cortex_a9.
7163         (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9.
7164         (arm_issue_rate): Handle cortexa9.
7165         * config/arm/arm.h (arm_tune_cortex_a9): Declare.
7166         * config/arm/arm-cores.def: Add cortex-a9.
7167         * config/arm/arm-tune.md: Regenerate.
7168         * config/arm/arm.md: Include cortex-a9.md.
7169         (generic_sched, generic_vfp): Add cortexa9.
7170         * config/arm/cortex-a9.md: New file.
7172 2008-09-02  Richard Guenther  <rguenther@suse.de>
7174         PR tree-optimization/37327
7175         * tree-vrp.c (register_new_assert_for): Make sure to not have
7176         TREE_OVERFLOW set on the bound.
7178 2008-09-02  Alexander Monakov  <amonakov@ispras.ru>
7180         Fixed typo in date of the 2008-09-01 MOVE_RATIO commit.
7182         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1.
7183         * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize
7184         spec_info->mask.
7186 2008-09-02  Victor Kaplansky  <victork@il.ibm.com>
7188         * gcc/config/spu/spu.md (divdf3): Removed.
7190 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
7192         PR tree-optimization/37095
7193         * cgraph.c (cgraph_node): When creating new cgraph node after
7194         assembler_name_hash has been populated, record it in the hash
7195         table.
7197 2008-09-01  Paul Brook  <paul@codesourcery.com>
7199         * doc/invoke.texi: Document -mword-relocations.
7200         * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
7201         * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
7202         * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
7203         * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair.
7204         (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM.
7205         (arm_emit_movpair): New function.
7206         (arm_print_operand <c>): Handle sybolic addresses.
7207         * config/arm/arm.h (TARGET_USE_MOVT): Define.
7208         (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
7209         * config/arm/arm-protos.h (arm_emit_movpair): Add prototype.
7210         * config/arm/arm.opt: Add -mword-relocations.
7211         * config/arm/arm.md (movsi): Use arm_emit_movpair.
7212         (arm_movt, arm_movw): New.
7214 2008-09-01  Paul Brook  <paul@codesourcery.com>
7216         * config/arm/arm.c (arm_override_options): Set arm_abi earlier.
7217         Allow Interworking on ARMv4 EABI based targets.
7218         * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
7219         (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.
7221 2008-09-01  Paul Brook  <paul@codesourcery.com>
7223         * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
7224         optimized LT0 test.  Remove optimization for GT.
7226 2008-09-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7228         * pa64-hpux.h (LIB_SPEC): Link against librt when building static
7229         openmp applications.
7230         * pa-hpux11.h (LIB_SPEC): Likewise.
7232         * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS
7233         is defined.
7235 2008-09-01  Jan Hubicka  <jh@suse.cz>
7237         * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is
7238         present, use only counts; when guessed use only frequencies.
7239         (estimate_bb_frequencies): Use function_frequency.
7240         * profile.c (compute_branch_probabilities): Exit early when
7241         profile reading failed. Set profile_status.
7242         (branch_prob): Do not set profile_status.
7244 2008-09-01  Aldy Hernandez  <aldyh@redhat.com>
7246         * tree.c (protected_set_expr_location): New.
7247         * tree.h (protected_set_expr_location): New prototype.
7248         * c-tree.h (build_array_ref): Add argument.
7249         (parser_build_unary_op): Same.
7250         * c-typeck.c (build_indirect_ref): Handle new location argument.
7251         (build_array_ref): Same.
7252         (parser_build_unary_op): Same.
7253         * gimplify.c (gimplify_asm_expr): Set input_location before calling
7254         error.
7255         * c-omp.c (c_finish_omp_atomic): Pass location when calling
7256         build_indirect_ref.
7257         * c-common.c (finish_label_address_expr): Handle new location argument.
7258         * c-common.h (build_indirect_ref): Add argument.
7259         (finish_label_address_expr): Same.
7260         * c-parser.c (c_parser_unary_expression): Pass location to build
7261         functions.
7262         (c_parser_postfix_expression): Same.
7264 2008-09-01  Paul Brook  <paul@codesourcery.com>
7266         * config/arm/arm.md: Include cortex-r4f.md.
7267         (attr fpu): Update type list.
7268         (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts,
7269         fconstd, fcmps and fcmpd.
7270         (attr tune_cortexr4): Define.
7271         (attr generic_sched, attr generic_vfp): Use tune_cortexr4.
7272         * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd,
7273         fconsts, fconstd, fcmps and fcmpd.  Use them in insn patterns.
7274         * config/arm/arm.c (arm_issue_rate): Add cortexr4f.
7275         * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn types.
7276         * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub,
7277         cortex_a8_vfp_farith: Ditto.
7278         * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto.
7279         * config/arm/cortex-r4.md: Use tune_cortexr4.
7280         * config/arm/cortex-r4f.md: New file.
7282 2008-09-01  Richard Guenther  <rguenther@suse.de>
7284         PR tree-optimization/37305
7285         * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on
7286         the result of constant conversions.
7287         (fold_gimple_assign): Likewise.
7289 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
7291         * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with
7292         #ifdef ENABLE_CHECKING.
7294 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
7296         * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING.
7297         * sched-int.h (print_insn, print_pattern, print_value): Declare also
7298         when !INSN_SCHEDULING.
7300 2008-09-01  Andreas Schwab  <schwab@suse.de>
7302         * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update.
7304 2008-09-01  Paul Brook  <paul@codesourcery.com>
7306         * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract.
7308 2008-09-01  Jan Hubicka  <jh@suse.cz>
7310         * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO.
7312         * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P):
7313         Pass speed operand.
7314         * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update.
7315         * gimplify.c (gimplify_init_constructor): Add speed operand.
7316         * tree-sra.c (decide_block_copy): Likewise.
7317         * tree-inline.c (estimate_move_cost): Likewise.
7318         * config/alpha/alpha.h (MOVE_RATIO): Update.
7319         * config/frv/frv.c (MOVE_RATIO): Update.
7320         * config/spu/spu.h (MOVE_RATIO): Update.
7321         * config/sparc/sparc.h (MOVE_RATIO): Update.
7322         * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update.
7323         * config/m68hc11/m68hc11.h (MOVE_RATIO): Update.
7324         * config/cris/cris.h (MOVE_RATIO): Update.
7325         * config/mn10300/mn10300.h (MOVE_RATIO): Update.
7326         * config/arm/arm.h (MOVE_RATIO): Update.
7327         * config/pa/pa.md: Update uses of MOVE_RATIO
7328         * config/pa/pa.h (MOVE_RATIO): Update.
7329         * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES,
7330         CLEAR_RATIO, SET_RATIO): Update.
7331         * config/h8300/h8300.h (MOVE_RATIO): Update.
7332         * config/v850/v850.h (MOVE_RATIO): Update.
7333         * config/bfin/bfin.h (MOVE_RATIO): Update.
7335 2008-08-31  Andrey Belevantsev  <abel@ispras.ru>
7336             Dmitry Melnik  <dm@ispras.ru>
7337             Dmitry Zhurikhin  <zhur@ispras.ru>
7338             Alexander Monakov  <amonakov@ispras.ru>
7339             Maxim Kuvyrkov  <maxim@codesourcery.com>
7341         * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
7342         sel-sched-dump.c, sel-sched-ir.c: New files.
7343         * Makefile.in (OBJS-common): Add selective scheduling object files.
7344         (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
7345         (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
7346         (sched-vis.o): Add dependency on $(INSN_ATTR_H).
7347         * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
7348         * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
7349         (make_forwarder_block): Update loop latch if we have redirected
7350         the loop latch edge.
7351         * cfgloop.c (get_loop_body_in_custom_order): New function.
7352         * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
7353         (CP_FALLTHRU_PREHEADERS): Likewise.
7354         (get_loop_body_in_custom_order): Declare.
7355         * cfgloopmanip.c (has_preds_from_loop): New.
7356         (create_preheader): Honor CP_FALLTHRU_PREHEADERS.
7357         Assert that the preheader edge will be fall thru when it is set.
7358         * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
7359         fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
7360         fsel-sched-substitution, fselective-scheduling): New flags.
7361         * cse.c (hash_rtx_cb): New.
7362         (hash_rtx): Use it.
7363         * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
7364         sel_sched_insn_cnt): New counters.
7365         * final.c (compute_alignments): Export.  Free dominance
7366         info after loop_optimizer_finalize.
7367         * genattr.c (main): Output maximal_insn_latency prototype.
7368         * genautomata.c (output_default_latencies): New.
7369         Factor its code from ...
7370         (output_internal_insn_latency_func): ... here.
7371         (output_internal_maximal_insn_latency_func): New.
7372         (output_maximal_insn_latency_func): New.
7373         * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
7374         (struct hard_reg_set_iterator): New.
7375         (hard_reg_set_iter_init, hard_reg_set_iter_set,
7376         hard_reg_set_iter_next): New functions.
7377         (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
7378         * lists.c (remove_free_INSN_LIST_node,
7379         remove_free_EXPR_LIST_node): New functions.
7380         * loop-init.c (loop_optimizer_init): When
7381         LOOPS_HAVE_FALLTHRU_PREHEADERS, set CP_FALLTHRU_PREHEADERS when
7382         calling create_preheaders.
7383         (loop_optimizer_finalize): Do not verify flow info after reload.
7384         * recog.c (validate_replace_rtx_1): New parameter simplify.
7385         Default it to true.  Update all uses.  Factor out simplifying
7386         code to ...
7387         (simplify_while_replacing): ... this new function.
7388         (validate_replace_rtx_part,
7389         validate_replace_rtx_part_nosimplify): New.
7390         * recog.h (validate_replace_rtx_part,
7391         validate_replace_rtx_part_nosimplify): Declare.
7392         * rtl.c (rtx_equal_p_cb): New.
7393         (rtx_equal_p): Use it.
7394         * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
7395         (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
7396         debug_bb_n_slim, debug_bb_slim,    print_rtl_slim): Likewise.
7397         * vecprim.h: Add a vector type for unsigned int.
7398         * haifa-sched.c: Include vecprim.h and cfgloop.h.
7399         (issue_rate, sched_verbose_param, note_list, dfa_state_size,
7400         ready_try, cycle_issued_insns, spec_info): Make global.
7401         (readyp): Initialize.
7402         (dfa_lookahead): New global variable.
7403         (old_max_uid, old_last_basic_block): Remove.
7404         (h_i_d): Make it a vector.
7405         (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
7406         through HID macro.
7407         (after_recovery, adding_bb_to_current_region_p):
7408         New variables to handle correct insertion of the recovery code.
7409         (struct ready_list): Move declaration to sched-int.h.
7410         (rgn_n_insns): Removed.
7411         (rtx_vec_t): Move to sched-int.h.
7412         (find_insn_reg_weight): Remove.
7413         (find_insn_reg_weight1): Rename to find_insn_reg_weight.
7414         (haifa_init_h_i_d, haifa_finish_h_i_d):
7415         New functions to initialize / finalize haifa instruction data.
7416         (extend_h_i_d, init_h_i_d): Rewrite.
7417         (unlink_other_notes): Move logic to add_to_note_list.  Handle
7418         selective scheduler.
7419         (ready_lastpos, ready_element, ready_sort, reemit_notes,
7420         find_fallthru_edge): Make global, remove static prototypes.
7421         (max_issue): Make global.  Add privileged_n and state parameters.  Use
7422         them.
7423         (extend_global, extend_all): Removed.
7424         (init_before_recovery): Add new param.  Fix the handling of the case
7425         when we insert a recovery code before the EXIT which has a predecessor
7426         with a fallthrough edge to it.
7427         (create_recovery_block): Make global.  Rename to
7428         sched_create_recovery_block.  Update.
7429         (change_pattern): Rename to sched_change_pattern.  Make global.
7430         (speculate_insn): Rename to sched_speculate_insn.  Make global.
7431         Split haifa-specific functionality into ...
7432         (haifa_change_pattern): New static function.
7433         (sched_extend_bb): New static function.
7434         (sched_init_bbs): New function.
7435         (current_sched_info): Change type to struct haifa_sched_info.
7436         (insn_cost): Adjust for selective scheduling.
7437         (dep_cost_1): New function.  Move logic from ...
7438         (dep_cost): ... here.
7439         (dep_cost): Use dep_cost_1.
7440         (contributes_to_priority_p): Use sched_deps_info instead of
7441         current_sched_info.
7442         (priority): Adjust to work with selective scheduling.  Process the
7443         corner case when all dependencies don't contribute to priority.
7444         (rank_for_schedule): Use ds_weak instead of dep_weak.
7445         (advance_state): New function.  Move logic from ...
7446         (advance_one_cycle): ... here.
7447         (add_to_note_list, concat_note_lists): New functions.
7448         (rm_other_notes): Make static.  Adjust for selective scheduling.
7449         (remove_notes, restore_other_notes): New functions.
7450         (move_insn): Add two arguments.  Update assert.  Don't call
7451         reemit_notes.
7452         (choose_ready): Remove lookahead variable, use dfa_lookahead.
7453         Remove more_issue, max_points.  Move the code to initialize
7454         max_lookahead_tries to max_issue.
7455         (schedule_block): Remove rgn_n_insns1 parameter.  Don't allocate
7456         ready.  Adjust use of move_insn.  Call restore_other_notes.
7457         (luid): Remove.
7458         (sched_init, sched_finish): Move Haifa-specific initialization/
7459         finalization to ...
7460         (haifa_sched_init, haifa_sched_finish): ... respectively.
7461         New functions.
7462         (setup_sched_dump): New function.
7463         (haifa_init_only_bb): New static function.
7464         (haifa_speculate_insn): New static function.
7465         (try_ready): Use haifa_* instead of speculate_insn and change_pattern.
7466         (extend_ready, extend_all): Remove.
7467         (sched_extend_ready_list, sched_finish_ready_list): New functions.
7468         (create_check_block_twin, add_to_speculative_block): Use
7469         haifa_insns_init instead of extend_global.  Update to use new
7470         initialization functions.  Change parameter.  Factor out code from
7471         create_check_block_twin to ...
7472         (sched_create_recovery_edges) ... this new function.
7473         (add_block): Remove.
7474         (sched_scan_info): New.
7475         (extend_bb): Use sched_scan_info.
7476         (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
7477         static functions for walking through scheduling region.
7478         (sched_luids): New vector variable to replace uid_to_luid.
7479         (luids_extend_insn): New function.
7480         (sched_max_luid): New variable.
7481         (luids_init_insn): New function.
7482         (sched_init_luids, sched_finish_luids): New functions.
7483         (insn_luid): New debug function.
7484         (sched_extend_target): New function.
7485         (haifa_init_insn): New static function.
7486         (sched_init_only_bb): New hook.
7487         (sched_split_block): New hook.
7488         (sched_split_block_1): New function.
7489         (sched_create_empty_bb): New hook.
7490         (sched_create_empty_bb_1): New function.
7491         (common_sched_info, ready): New global variables.
7492         (current_sched_info_var): Remove.
7493         (move_block_after_check): Use common_sched_info.
7494         (haifa_luid_for_non_insn): New static function.
7495         (init_before_recovery): Use haifa_init_only_bb instead of add_block.
7496         (increase_insn_priority): New.
7497         * modulo-sched.c (issue_rate): Remove static declaration.
7498         (sms_sched_info): Change type to haifa_sched_info.
7499         (sms_sched_deps_info, sms_common_sched_info): New variables.
7500         (setup_sched_infos): New.
7501         (sms_schedule): Initialize them.  Call haifa_sched_init/finish.
7502         Do not call regstat_free_calls_crossed.
7503         (sms_print_insn): Use const_rtx.
7504         * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
7505         PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
7506         PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
7507         PARAM_SCHED_MEM_TRUE_DEP_COST): New.
7508         * sched-deps.c (sched_deps_info): New.  Update all relevant uses of
7509         current_sched_info to use it.
7510         (enum reg_pending_barrier_mode): Move to sched-int.h.
7511         (h_d_i_d): New variable. Initialize to NULL.
7512         ({true, output, anti, spec, forward}_dependency_cache): Initialize
7513         to NULL.
7514         (estimate_dep_weak): Remove static declaration.
7515         (sched_has_condition_p): New function.  Adjust users of
7516         sched_get_condition to use it instead.
7517         (conditions_mutex_p): Add arguments indicating which conditions are
7518         reversed.  Use them.
7519         (sched_get_condition_with_rev): Rename from sched_get_condition.  Add
7520         argument to indicate whether returned condition is reversed.  Do not
7521         generate new rtx when condition should be reversed; indicate it by
7522         setting new argument instead.
7523         (add_dependence_list_and_free): Add deps parameter.
7524         Update all users.  Do not free dependence list when
7525         deps context is readonly.
7526         (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
7527         contexts.
7528         (remove_from_dependence_list, remove_from_both_dependence_lists): New.
7529         (remove_from_deps): New. Use the above functions.
7530         (cur_insn, can_start_lhs_rhs_p): New static variables.
7531         (add_or_update_back_dep_1): Initialize present_dep_type.
7532         (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
7533         haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
7534         haifa_note_dep): New functions implementing dependence hooks for
7535         the Haifa scheduler.
7536         (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
7537         note_dep): New functions.
7538         (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
7539         functions.
7540         (init_deps): Initialize last_reg_pending_barrier and deps->readonly.
7541         (free_deps): Initialize deps->reg_last.
7542         (sched_analyze_reg, sched_analyze_1, sched_analyze_2,
7543         sched_analyze_insn): Update to use dependency hooks infrastructure
7544         and readonly contexts.
7545         (deps_analyze_insn): New function.  Move part of logic from ...
7546         (sched_analyze): ... here.  Also move some logic to ...
7547         (deps_start_bb): ... here.  New function.
7548         (add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
7549         sel_sched_p.
7550         (sched_deps_init): New function.  Move code from ...
7551         (init_dependency_caches): ... here.  Remove.
7552         (init_deps_data_vector): New.
7553         (sched_deps_finish): New function.  Move code from ...
7554         (free_dependency_caches): ... here.  Remove.
7555         (init_deps_global, finish_deps_global): Adjust for use with
7556         selective scheduling.
7557         (get_dep_weak): Move logic to ...
7558         (get_dep_weak_1): New function.
7559         (ds_merge): Move logic to ...
7560         (ds_merge_1): New static function.
7561         (ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
7562         (ds_get_max_dep_weak): New function.
7563         * sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
7564         (n_insns): Rename to rgn_n_insns.
7565         (debug_ebb_dependencies): New function.
7566         (init_ready_list): Use it.
7567         (begin_schedule_ready): Use sched_init_only_bb.
7568         (ebb_print_insn): Indicate when an insn starts a new cycle.
7569         (contributes_to_priority, compute_jump_reg_dependencies,
7570         add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
7571         (add_block1): Remove to ebb_add_block.
7572         (ebb_sched_deps_info, ebb_common_sched_info): New variables.
7573         (schedule_ebb): Initialize them.  Use remove_notes instead of
7574         rm_other_notes.  Use haifa_local_init/finish.
7575         (schedule_ebbs): Use haifa_sched_init/finish.
7576         * sched-int.h: Include vecprim.h, remove rtl.h.
7577         (struct ready_list): Delete declaration.
7578         (sched_verbose_param, enum sched_pass_id_t,
7579         bb_vec_t, insn_vec_t, rtx_vec_t): New.
7580         (struct sched_scan_info_def): New structure.
7581         (sched_scan_info, sched_scan, sched_init_bbs,
7582         sched_init_luids, sched_finish_luids, sched_extend_target,
7583         haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
7584         (struct common_sched_info_def): New.
7585         (common_sched_info, haifa_common_sched_info,
7586         sched_emulate_haifa_p): Declare.
7587         (sel_sched_p): New.
7588         (sched_luids): Declare.
7589         (INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
7590         (sched_max_luid, insn_luid): Declare.
7591         (note_list, remove_notes, restore_other_notes, bb_note): Declare.
7592         (sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
7593         print_insn, print_pattern, print_value, haifa_classify_insn,
7594         sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
7595         setup_sched_dump, sched_init, sched_finish,
7596         sel_insn_is_speculation_check): Export.
7597         (struct ready_list): Move from haifa-sched.c.
7598         (ready_try, ready, max_issue): Export.
7599         (ebb_compute_jump_reg_dependencies, find_fallthru_edge,
7600         sched_init_only_bb, sched_split_block, sched_split_block_1,
7601         sched_create_empty_bb, sched_create_empty_bb_1,
7602         sched_create_recovery_block, sched_create_recovery_edges): Export.
7603         (enum reg_pending_barrier_mode): Export.
7604         (struct deps): New fields `last_reg_pending_barrier' and `readonly'.
7605         (deps_t): New.
7606         (struct sched_info): Rename to haifa_sched_info.  Use const_rtx for
7607         print_insn field.  Move add_block and fix_recovery_cfg to
7608         common_sched_info_def.  Move compute_jump_reg_dependencies,
7609         use_cselib  ...
7610         (struct sched_deps_info_def): ... this new structure.
7611         (sched_deps_info): Declare.
7612         (struct spec_info_def): Remove weakness_cutoff, add
7613         data_weakness_cutoff and control_weakness_cutoff.
7614         (spec_info): Declare.
7615         (struct _haifa_deps_insn_data): Split from haifa_insn_data.  Add
7616         dep_count field.
7617         (struct haifa_insn_data): Rename to struct _haifa_insn_data.
7618         (haifa_insn_data_def, haifa_insn_data_t): New typedefs.
7619         (current_sched_info): Change type to struct haifa_sched_info.
7620         (haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
7621         (h_d_i_d): New variable.
7622         (HDID): New accessor macro.
7623         (h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
7624         (HID): New accessor macro.  Rewrite h_i_d accessor macros through HID
7625         and HDID.
7626         (IS_SPECULATION_CHECK_P): Update for selective scheduler.
7627         (enum SCHED_FLAGS): Update for selective scheduler.
7628         (enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
7629         (init_dependency_caches, free_dependency_caches): Delete declarations.
7630         (deps_analyze_insn, remove_from_deps, get_dep_weak_1,
7631         estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
7632         ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
7633         sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
7634         haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
7635         ds_to_dt): Export.
7636         (rm_other_notes): Delete declaration.
7637         (schedule_block): Remove one argument.
7638         (cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
7639         ready_element, ready_lastpos, sched_extend_ready_list,
7640         sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
7641         concat_note_lists): Export.
7642         (struct region): Move from sched-rgn.h.
7643         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
7644         RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
7645         BLOCK_TO_BB, CONTAINING_RGN): Export.
7646         (ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
7647         (current_nr_blocks, current_blocks, target_bb): Likewise.
7648         (dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
7649         sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
7650         sched_rgn_local_init, extend_regions,
7651         rgn_make_new_region_out_of_new_block, compute_priorities,
7652         debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
7653         extend_rgns, deps_join rgn_setup_common_sched_info,
7654         rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
7655         dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
7656         (get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
7657         increase_insn_priority): Likewise.
7658         * sched-rgn.c: Include sel-sched.h.
7659         (ref_counts): New static variable.  Use it ...
7660         (INSN_REF_COUNT): ... here.  Rewrite and move closer to uses.
7661         (FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
7662         (sched_is_disabled_for_current_region_p): Delete static declaration.
7663         (struct region): Move to sched-int.h.
7664         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
7665         ebb_head): Define and initialize.
7666         (RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
7667         BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
7668         BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
7669         sched-int.h.
7670         (find_single_block_region): Add new argument to indicate that EBB
7671         regions should be constructed.
7672         (debug_live): Delete declaration.
7673         (current_nr_blocks, current_blocks, target_bb):
7674         Remove static qualifiers.
7675         (compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
7676         declaration.
7677         (init_regions): Delete declaration.
7678         (debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
7679         rgn_estimate_number_of_insns): New.
7680         (too_large): Use estimate_number_of_insns.
7681         (haifa_find_rgns): New. Move the code from ...
7682         (find_rgns): ... here.  Call either sel_find_rgns or haifa_find_rgns.
7683         (free_trg_info): New.
7684         (compute_trg_info): Allocate candidate tables here instead of ...
7685         (init_ready_list): ... here.
7686         (rgn_print_insn): Use const_rtx.
7687         (contributes_to_priority, extend_regions): Delete static declaration.
7688         (add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
7689         (add_block1): Rename to rgn_add_block.
7690         (debug_rgn_dependencies): Delete static qualifier.
7691         (new_ready): Use sched_deps_info.  Simplify.
7692         (rgn_common_sched_info, rgn_const_sched_deps_info,
7693         rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info):
7694         New.
7695         (region_sched_info): Rename to rgn_const_sched_info.
7696         (deps_join): New, extracted from ...
7697         (propagate_deps): ... here.
7698         (compute_block_dependences, debug_dependencies): Update for selective
7699         scheduling.
7700         (free_rgn_deps, compute_priorities): New functions.
7701         (sched_rgn_init, sched_rgn_finish, rgn_setup_region,
7702         sched_rgn_compute_dependencies): New functions.
7703         (schedule_region): Use them.
7704         (sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
7705         rgn_setup_common_sched_info, rgn_setup_sched_infos):
7706         New functions.
7707         (schedule_insns): Call new functions that were split out.
7708         (rgn_make_new_region_out_of_new_block): New.
7709         (get_rgn_sched_max_insns_priority): New.
7710         (rest_of_handle_sched, rest_of_handle_sched2): Call selective
7711         scheduling when appropriate.
7712         * sched-vis.c: Include insn-attr.h.
7713         (print_value, print_pattern): Make global.
7714         (print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
7715         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7716         TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
7717         TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
7718         TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
7719         TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
7720         hooks.  Initialize them to 0.
7721         (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
7722         * target.h (struct gcc_target): Add them.  Rename gen_check field to
7723         gen_spec_check.
7724         * flags.h (sel_sched_switch_set): Declare.
7725         * opts.c (sel_sched_switch_set): New variable.
7726         (decode_options): Unset flag_sel_sched_pipelining_outer_loops if
7727         pipelining is disabled from command line.
7728         (common_handle_option): Record whether selective scheduling is
7729         requested from command line.
7730         * doc/invoke.texi: Document new flags and parameters.
7731         * doc/tm.texi: Document new target hooks.
7732         * config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to
7733         ia64_gen_check.
7734         (dfa_state_size): Do not declare locally.
7735         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
7736         * config/rs6000/rs6000.c (rs6000_init_sched_context,
7737         rs6000_alloc_sched_context, rs6000_set_sched_context,
7738         rs6000_free_sched_context): New functions.
7739         (struct _rs6000_sched_context): New.
7740         (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
7741         scheduling.
7742         (rs6000_sched_finish): Do not run for selective scheduling.
7744 2008-08-31  Jan Hubicka  <jh@suse.cz>
7746         * frv.c (frv_rtx_costs): Update forward declaration.
7747         * spu.c (spu_rtx_costs): Likewise.
7748         * pdp11.c: Include df.h
7749         (pdp11_output_function_epilogue): Use df_set_regs_ever_live.
7750         * m68hc11.c (m68hc11_gen_highpart): Fix call of gen_rtx_SUBREG.
7751         (m68hc11_rtx_costs_1): Fix call of rtx_cost.
7752         * iq2000.c (iq2000_address_cost): Add speed argument.
7753         (iq2000_rtx_costs): Likewise.
7754         * mn10300.c (mn10300_address_cost_1): Remove speed argument;
7755         update call of mn10300_address_cost.
7756         * mcore.c: Include df.h
7757         (mcore_rtx_costs): Update prototype.
7758         * score3.c: Include df.h
7759         (score3_rtx_costs): Remove speed argument.
7760         * score7.c: Include df.h
7761         (score7_address_cost): Remove speed argument.
7762         * score-protos.h (score_address_cost): Update prototype.
7763         * score.c: Include df.h
7764         (score_rtx_costs): Update call of costs functions.
7765         * v850.c (v850_rtx_costs): Add bool argument.
7767 2008-08-31  Hans-Peter Nilsson  <hp@axis.com>
7769         * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs.
7771 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7773         * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2.
7774         * config/i386/gthr-win32.c (__gthread_setspecific): Same.
7776 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7778         * mkmap-flat.awk: Add option pe_dll.
7779         * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s.
7780         * config/i386/t-cygwin (SHLIB_LC): Add.
7781         * config/i386/t-mingw32 (SHLIB_LC): Add.
7782         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New.
7783         (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC.
7784         (LINK_SPEC): Support libgcc_s.
7785         (LIBGCC_SPEC): Support libgcc_s.
7786         (LIBGCC_SONAME): New.
7788 2008-08-31  Jan Hubicka  <jh@suse.cz>
7790         * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit
7791         mistakely had old version of patch.
7793         * ipa-cp.c (ipcp_need_original_clone_p): Remove.
7794         (ipcp_estimate_growth): New.
7795         (ipcp_insert_stage): Use ipcp_estimate_growth.
7796         * profile.c (branch_prob): When reading failed, do not consider
7797         profile as read.
7799 2008-08-31  Jan Hubicka  <jh@suse.cz>
7801         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that
7802         loop is optimized for speed.
7804 2008-08-31  Richard Guenther  <rguenther@suse.de>
7806         PR middle-end/37289
7807         * fold-const.c (fold_binary): Retain conversions in folding
7808         ~A + 1 to -A.
7810 2008-08-31  Jan Hubicka  <jh@suse.cz>
7812         * postreload-gcse.c (eliminate_partially_redundant_loads):
7813         Use optimize_bb_for_size_p.
7814         * predict.c (maybe_hot_frequency_p): Make inline.
7815         (maybe_hot_count_p): Break out from ...
7816         (maybe_hot_bb_p): ... this one.
7817         (maybe_hot_edge_p): Simplify.
7818         * basic-block.h (probably_cold_bb_p): Remove.
7820 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
7822         PR target/37168
7823         * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
7824         prototype.
7825         * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
7826         * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
7827         Also split V4SFmode.
7828         * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
7829         vector float modes.
7831 2008-08-31  Jan Hubicka  <jh@suse.cz>
7833         * predict.c (PROB_VERY_LIKELY): Make small enough so things
7834         become cold.
7835         * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
7837 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
7839         PR debug/37287
7840         * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
7841         add source coords.
7843         * dwarf2out.c (native_encode_initializer): Subtract min_index for
7844         non-range array index.  Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
7846 2008-08-31  Jan Hubicka  <jh@suse.cz>
7848         * sparc.h (BRANCH_COST): Fix macro definition.
7849         * avr.c (avr_operand_rtx_cost): Add speed argument.
7850         (avr_rtx_costs): Update calls of avr_operand_rtx_cost.
7852 2008-08-31  Richard Guenther  <rguenther@suse.de>
7854         * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched
7855         types instead of operands.  Re-instantiate verifying of
7856         binary expression operands.
7858 2008-08-30  Jan Hubicka  <jh@suse.cz>
7860         * fwprop.c (should_replace_address): Add speed attribute.
7861         (PR_OPTIMIZE_FOR_SPEED): New flag.
7862         (propagate_rtx_1): Use it.
7863         (propagate_rtx): Set it.
7864         (try_fwprop_subst): Update call of rtx_costs.
7865         (forward_propagate_and_simplify): LIkewise.
7866         * hooks.c (hook_int_rtx_bool_0): New
7867         (hook_bool_rtx_int_int_intp_false): Replace by ...
7868         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
7869         * hooks.h (hook_int_rtx_bool_0): New
7870         (hook_bool_rtx_int_int_intp_false): Replace by ...
7871         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
7872         * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
7873         (prepare_cmp_insn): UPdate call of rtx_cost.
7874         * postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
7875         (reload_cse_simplify_operands): Update call of rtx_cost.
7876         (reload_cse_move2add): call of rtx_cost.
7877         * target.h (struct gcc_target): Update rtx_costs and address_costs.
7878         * rtlanal.c (rtx_cost): Add speed argument.
7879         (address_cost): Add speed argument
7880         (default_address_cost): Likewise.
7881         (insn_rtx_cost): Likewise.
7882         * cfgloopanal.c (seq_cost): Add speed argument.
7883         (target_reg_cost, target_spill_cost): Turn to array.
7884         (init_set_costs): Update for speed.
7885         (estimate_reg_pressure_cost): Add speed argument.
7886         * auto-inc-dec.c (attempt_change): Update call of rtx_cost.
7887         * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
7888         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
7889         (seq_cost): Add speed argument.
7890         (computation_cost): Add speed arugment.
7891         (add_cost, multiply_by_const, get_address_cost): add speed argument.
7892         (force_expr_to_var_cost): Update for profile info.
7893         (force_var_cost): Likewise.
7894         (split_address_cost): Likewise.
7895         (ptr_difference_cost): Likewise.
7896         (difference_cost): Likewise.
7897         (get_computation_cost_at): Likewise.
7898         (determine_iv_cost): Likewise.
7899         (ivopts_global_cost_for_size): Likewise.
7900         (rewrite_use_address): Likewise.
7901         (tree_ssa_iv_optimize_loop): Initialize speed field.
7902         * cse.c (optimize_this_for_speed_p): New static var.
7903         (notreg_cost): Update call of rtx_cost.
7904         (cse_extended_basic_block): set optimize_this_for_speed_p.
7905         * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
7906         (noce_try_cmove_arith): Likewise.
7907         (noce_try_sign_mask): LIkewise.
7908         * expr.c (compress_float_constant): Update rtx_cost calls.
7909         * tree-ssa-address.c (most_expensive_mult_to_index): Add speed
7910         argument.
7911         (addr_to_parts): Likewise.
7912         (create_mem_ref): Likewise.
7913         * dse.c (find_shift_sequence): Add speed argument.
7914         (replace_read): Update call.
7915         * calls.c (precompute_register_parameters): Update call of rtx_cost.
7916         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
7917         * neg_cost, shift_cost, shiftadd_cost,
7918         shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
7919         mul_highpart_cost): Increase dimension.
7920         (init_expmed): Initialize for both size and speed.
7921         (expand_shift): Use profile.
7922         (synth_mult): Use profile.
7923         (choose_mult_variant): Use profile.
7924         (expand_mult): Use profile.
7925         (expand_mult_highpart_optab): Use profile.
7926         (expand_mult_highpart): Use profile.
7927         (expand_smod_pow2): Use profile.
7928         (expand_divmod): Use profile.
7929         * simplify-rtx.c (simplify_binary_operation_1): Update call of
7930         rtx_cost.
7931         * loop-invariant.c (create_new_invariant): Use profile.
7932         (gain_for_invariant): Add speed parameter.
7933         (best_gain_for_invariant): Likewise.
7934         (find_invariants_to_move): Likewise.
7935         (move_single_loop_invariants): Set it.
7936         * target-def.h (TARGET_RTX_COSTS): Use hook.
7937         * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
7938         (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
7939         * output.h (default_address_cost): Update prototype.
7940         * combine.c (optimize_this_for_speed_p): New static var.
7941         (combine_validate_cost): Update call of rtx_cost.
7942         (combine_instructions): Set optimize_this_for_speed_p.
7943         (expand_compound_operation): Update call of rtx_cost.
7944         (make_extraction):Update call of rtx_cost.
7945         (force_to_mode):Update call of rtx_cost.
7946         (distribute_and_simplify_rtx):Update call of rtx_cost.
7947         * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
7948         (estimate_reg_pressure_cost): Update prototype.
7949         * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
7950         * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
7951         Remove.
7952         * config/alpha/alpha.c (alpha_rtx_costs): Update.
7953         (alpha_rtx_costs): Update.
7954         * config/frv/frv.c (frv_rtx_costs): Update.
7955         * config/s390/s390.c (s390_rtx_costs): Update.
7956         * config/m32c/m32c.c (m32c_memory_move_cost): Update.
7957         (m32c_rtx_costs): Update.
7958         * config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
7959         (spu_rtx_costs): Update.
7960         * config/sparc/sparc.c (sparc_rtx_costs): Update.
7961         * config/m32r/m32r.c (m32r_rtx_costs): Update.
7962         * config/i386/i386.c (:ix86_address_cost): Update.
7963         (ix86_rtx_costs): Update.
7964         * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
7965         * config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
7966         * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
7967         * config/crx/crx.c (crx_address_cost): Update.
7968         * config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
7969         * config/stormy16/stormy16.c
7970         (xstormy16_address_cost, xstormy16_rtx_costs): Update.
7971         * config/m68hc11/m68hc11.c
7972         (m68hc11_address_cost, m68hc11_rtx_costs): Update.
7973         * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
7974         * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost):
7975         Update.
7976         * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs):
7977         Update
7978         * config/ia64/ia64.c (ia64_rtx_costs): Update.
7979         * config/m68k/m68k.c (m68k_rtx_costs): Update.
7980         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
7981         * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
7982         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
7983         (mcore_rtx_costs): update.
7984         * config/score/score3.c (score3_rtx_costs): Update.
7985         * config/score/score7.c (score7_rtx_costs): Update.
7986         * config/score/score3.h (score3_rtx_costs):Update.
7987         * config/score/score7.h (score7_rtx_costs): Update.
7988         * config/score/score.c (score_rtx_costs): Update.
7989         * config/arm/arm.c (arm_address_cost): Update.
7990         (arm_rtx_costs_1): Update.
7991         (arm_rtx_costs_1): Update.
7992         (arm_size_rtx_costs): Update.
7993         (arm_size_rtx_costs): Update.
7994         (arm_size_rtx_costs): Update.
7995         (arm_xscale_rtx_costs): Update.
7996         (arm_thumb_address_cost): Update.
7997         * config/pa/pa.c (hppa_address_cost): Update.
7998         * config/mips/mips.c (mips_rtx_costs): Update.
7999         * config/vax/vax.c (vax_address_cost): Update.
8000         * config/h8300/h8300.c (h8300_shift_costs): Update.
8001         (h8300_rtx_costs): Update.
8002         * config/v850/v850.c (TARGET_ADDRESS_COST): Update.
8003         (v850_rtx_costs): Update.
8004         * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
8005         * config/bfin/bfin.c
8006         (bfin_address_cost): Update.
8007         (bfin_rtx_costs): Update.
8008         * stmt.c (lshift_cheap_p): Update.
8010 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8012         PR middle-end/36444
8013         * expmed.c (extract_bit_field_1): Check the mode size to make
8014         sure the vector modes have the same size.
8016 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
8018         * dojump.c (top level): Include basic-block.h to declare
8019         optimize_insn_for_speed_p
8021         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
8023         * opts.h (CL_SAVE): New option class for marking options that are
8024         target specific options usable in the target attribute.
8025         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
8027         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
8028         can easily find the target specific options that are safe to use
8029         in the attribute or pragma.
8031         * attribs.c (decl_attributes): Change #pragma GCC option to
8032         #pragma GCC target, and attribute((option(...))) to
8033         attribute((target(...))).
8035         * doc/extend.texi (target attribute): Change from option
8036         attribute.  Delete push/pop/reset.
8037         (#pragma GCC target): Change from #pragma GCC option.  Delete
8038         push/pop/reset.
8039         (#pragma GCC push_options): Document new pragma.
8040         (#pragma GCC pop_options): Document new pragma.
8041         (#pragma GCC reset_options): Document new pragma.
8043         * targhooks.c (default_target_option_valid_attribute_p): Add
8044         warning about port not supporting target attributes.
8045         (default_target_option_pragma_parse): New function, warn about
8046         #pragma GCC target not being supported.
8048         * targhooks.h (default_target_option_pragma_parse): Add
8049         declaration.
8051         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
8052         TI_CURRENT_OPTION_PRAGMA.
8053         (current_target_pragma): Rename from current_option_pragma.
8055         * target.h (struct target_option): Delete booleans for changing
8056         the optimization level on hot/cold functions.  Change signature of
8057         pragma_parse hook to take a second tree.
8059         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
8061         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
8062         that the declaration is done at global scope.
8064         * langhooks.c (add_builtin_function_common): Move most of the code
8065         from add_builtin_function here, calling the hook passed in.
8066         (add_builtin_function): Call add_builtin_function_common with
8067         standard builtin hook.
8068         (add_builtin_function_ext_scope): New function to add builtins to
8069         global scope.
8071         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
8072         hook.
8073         (add_builtin_function_ext_scope): Add declaration.
8075         * c-pragma.c (handle_pragma_target): Rename from
8076         handle_pragma_option, #pragma GCC option is now #pragma GCC
8077         target.  Move warning about port not supporting target options to
8078         default pragma parse hook.  Remove push/pop/reset from this
8079         pragma.
8080         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
8081         (option_stack): Delete static variable.
8082         (optimize_stack): Ditto.
8083         (optons_stack): New stack of saved target and optimization
8084         options.
8085         (handle_pragma_push_options): New function to handle pushing both
8086         target and optimization options.
8087         (handle_pragma_pop_options): New function to handle popping both
8088         target and optimization options.
8089         (handle_pragma_reset_options): New function to handle resetting
8090         both target and optimization options to their initial state.
8091         (init_pragma): Rename handle_pragma_option to
8092         handle_pragma_target.  Add support for push_options, pop_options,
8093         and reset_options pragmas.
8095         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
8096         default_target_option_pragma_parse.
8097         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
8098         default_target_option_valid_attribute_p.
8099         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
8100         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
8101         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
8102         optimization level on hot/cold functions.
8104         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
8105         if the caller and callee have different optimization levels.
8107         * c-common.c (handle_target_attribute): Rename from
8108         handle_option_attribute, attribute((option(...))) is now
8109         attribute((target(...))).  Move warning if the port does not
8110         support target attributes to the default hook.
8111         (handle_hot_attribute): Delete code to change the optimization
8112         level of hot functions.
8113         (handle_cold_attribute): Ditto.
8115         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
8116         argument that is the binary tree options to use if there are no
8117         arguments.  Call ix86_valid_target_attribute_tree instead of
8118         ix86_valid_option_attribute_tree.
8119         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
8120         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
8121         ix86_pragma_option_parse.
8123         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
8124         Rename from ix86_valid_option_attribute_tree.
8126         * config/i386/i386.c (ix86_add_new_builtins): New function to add
8127         new builtins when the ISA changes.
8128         (ix86_valid_target_attribute_tree): Rename from
8129         ix86_valid_option_attribute_tree.  Change callers.  If the
8130         function specified optimization options, use those as the starting
8131         point before setting up the target attributes.  If the
8132         optimization options were changed in the course of setting the
8133         target attributes, record the new optimization options.
8134         (ix86_valid_target_attribute_tree_inner_p): Rename from
8135         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
8136         ix86_add_new_builtins if the ISA changed.
8137         (ix86_valid_target_attribute_p): Rename from
8138         ix86_valid_option_attribute_p.  Change callers.
8139         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
8140         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
8141         as delayed builtin functions.
8142         (struct builtin_isa): New structure to record builtin functions
8143         that should be delayed until the ISA for that function is used.
8144         (ix86_builtins_isa): Change from int to struct to track builtin
8145         functions we want to declare at some point.
8146         (def_builtin): If the front end can delay defining the builtin
8147         functions, don't create builtins for ISAs not part of the default
8148         options.
8149         (def_builtin_const): Ditto.
8150         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
8151         __builtin_ia32_pcmov_v2di to be different builtin functions.
8152         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
8153         a structure instead of an int.
8154         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
8155         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
8156         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
8157         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
8159         * config/ia64/ia64.h
8160         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
8161         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
8163         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
8164         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
8165         (LANG_HOOKS_INITIALIZER): Add
8166         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
8168 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
8170         PR target/37270
8171         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
8172         the reload address with the index register for SFmode
8173         access with a displacement.
8175 2008-08-30  Jan Hubicka  <jh@suse.cz>
8177         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
8178         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
8179         * dojump.c (do_jump): Likewise.
8180         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
8181         (note-if_info): Add BRANCH_COST.
8182         (noce_try_store_flag_constants, noce_try_addcc,
8183         noce_try_store_flag_mask, noce_try_cmove_arith, noce_try_cmove_arith,
8184         noce_try_cmove_arith, noce_find_if_block, find_if_case_1,
8185         find_if_case_2): Use computed branch cost.
8186         * expr.h (BRANCH_COST): Update default.
8187         * predict.c (predictable_edge_p): New function.
8188         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
8189         Update BRANCH_COST call.
8190         * basic-block.h (predictable_edge_p): Declare.
8191         * config/alpha/alpha.h (BRANCH_COST): Update.
8192         * config/frv/frv.h (BRANCH_COST): Update.
8193         * config/s390/s390.h (BRANCH_COST): Update.
8194         * config/spu/spu.h (BRANCH_COST): Update.
8195         * config/sparc/sparc.h (BRANCH_COST): Update.
8196         * config/m32r/m32r.h (BRANCH_COST): Update.
8197         * config/i386/i386.h (BRANCH_COST): Update.
8198         * config/i386/i386.c (ix86_expand_int_movcc): Update use of
8199         BRANCH_COST.
8200         * config/sh/sh.h (BRANCH_COST): Update.
8201         * config/pdp11/pdp11.h (BRANCH_COST): Update.
8202         * config/avr/avr.h (BRANCH_COST): Update.
8203         * config/crx/crx.h (BRANCH_COST): Update.
8204         * config/xtensa/xtensa.h (BRANCH_COST): Update.
8205         * config/stormy16/stormy16.h (BRANCH_COST): Update.
8206         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
8207         * config/iq2000/iq2000.h (BRANCH_COST): Update.
8208         * config/ia64/ia64.h (BRANCH_COST): Update.
8209         * config/rs6000/rs6000.h (BRANCH_COST): Update.
8210         * config/arc/arc.h (BRANCH_COST): Update.
8211         * config/score/score.h (BRANCH_COST): Update.
8212         * config/arm/arm.h (BRANCH_COST): Update.
8213         * config/pa/pa.h (BRANCH_COST): Update.
8214         * config/mips/mips.h (BRANCH_COST): Update.
8215         * config/vax/vax.h (BRANCH_COST): Update.
8216         * config/h8300/h8300.h (BRANCH_COST): Update.
8217         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
8218         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
8219         * doc/tm.texi (BRANCH_COST): Update.
8221 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
8223         PR target/37283
8224         * config/arm/arm.c (arm_optimization_options): Set
8225         flag_section_anchors to 2 instead of 1 to distinguish it from
8226         -fsection-anchors given explicitely on the command line.
8228 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
8230         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
8231         final insn of a split.
8233 2008-08-30  Jan Hubicka  <jh@suse.cz>
8235         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
8236         optimized for speed.
8237         * final.c (compute_alignments): Use optimize_bb_for_size_p.
8238         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
8239         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
8240         flag_gcse_after_reload_set): New static vars.
8241         (common_handle_option): Enable those flags for profile-use.
8242         (decode_options): Remove optimize_size flags that are handled
8243         on higher granuality.
8244         * tree-vectorizer.c (vectorize_loops): Use
8245         optimize_loop_nest_for_speed_p.
8246         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
8247         * tree-predcom.c (tree_predictive_commoning): Use
8248         optimize_loop_for_speed_p.
8249         * varasm.c (assemble_start_function): Use
8250         optimize_function_for_speed_p.
8251         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
8252         * predict.c (optimize_loop_for_speed_p): Fix walk.
8254 2008-08-30  Jan Hubicka  <jh@suse.cz>
8256         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
8257         functions.
8258         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
8259         profile presence locally.
8261 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
8263         PR bootstrap/37086
8264         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
8265         versions before 4.0.
8267 2008-08-29  Jan Hubicka  <jh@suse.cz>
8269         * tree-inline.c (insert_init_stmt): Insert sequence even when
8270         not in SSA form.
8272 2008-08-29  Jeff Law  <law@redhat.com>
8274         * mn10300.c (mn10300_secondary_reload_class): We need secondary
8275         reloads for AM33-2 if IN is a pseudo with an equivalent memory
8276         location and class is an FP register.
8278 2008-08-29  Jan Hubicka  <jh@suse.cz>
8280         * see.c (see_merge_one_def_extension): Silence used uninitialized
8281         warning.
8282         * matrix-reorg.c (check_allocation_function): Likewise.
8283         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
8285 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
8287         PR c/37261
8288         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
8289         compute new & and | in type rather than TREE_TYPE (arg0).
8291         * dwarf2out.c (fortran_common): Update comment.
8292         (gen_variable_die): Swap com_die and var_die variables in Fortran
8293         COMMON block handling code.
8295         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
8297         * dwarf2out.c (gen_const_die): New function.
8298         (size_of_die, value_format, output_die): Output larger
8299         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
8300         (native_encode_initializer): New function.
8301         (tree_add_const_value_attribute): Call it.
8302         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
8304         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
8305         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
8306         TREE_THIS_VOLATILE to add_type_attribute.
8308         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
8309         types.
8310         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
8311         types.
8313         * dwarf2out.c (loc_by_reference): New function.
8314         (add_location_or_const_value_attribute): Use it.
8316         PR fortran/23057
8317         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
8318         as DW_TAG_variable children of DW_TAG_common_block rather than
8319         DW_TAG_member children.  Put DW_AT_external to individual
8320         DW_TAG_variable DIEs, not to DW_TAG_common_block.
8322         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
8323         loc_descriptor_from_tree_1.
8325         PR fortran/29635
8326         PR fortran/23057
8327         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
8328         arguments to imported_module_or_decl.
8329         (debug_nothing_tree_tree): Removed.
8330         (debug_nothing_tree_tree_tree_bool): New prototype.
8331         * debug.c (do_nothing_debug_hooks): Adjust.
8332         (debug_nothing_tree_tree): Removed.
8333         (debug_nothing_tree_tree_tree_bool): New function.
8334         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
8335         (gen_variable_die): Put all common vars for the
8336         same COMMON block under one DW_TAG_common_block.
8337         (declare_in_namespace): Return new context_die, for Fortran
8338         return the module DIE instead of adding extra declarations into
8339         the namespace.
8340         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
8341         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
8342         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
8343         DW_AT_declaration.
8344         (dwarf2out_global_decl): Don't skip Fortran global vars.
8345         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
8346         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
8347         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
8348         DW_TAG_imported_declaration as child of previous
8349         DW_TAG_imported_module.
8350         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
8351         * sdbout.c (sdb_debug_hooks): Likewise.
8352         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
8354 2008-08-29  Jan Hubicka  <jh@suse.cz>
8356         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
8358         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
8359         * ipa-cp.c (n_cloning_candidates): New static variable.
8360         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
8361         (ipcp_print_all_lattices): Improve debug output.
8362         (ipcp_cloning_candidate_p): New function.
8363         (ipcp_initialize_node_lattices): Use it.
8364         (ipcp_init_stage): Do only analyzis here; prettier debug output.
8365         (ipcp_propagate_stage): Prettier debug output.
8366         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
8367         (ipcp_print_all_structures): Remove.
8368         (ipcp_need_redirect_p): Test !n_cloning_candidates.
8369         (ipcp_insert_stage): Prettier debug output; call
8370         cgraph_remove_unreachable_nodes before propagating.
8371         (pass_ipa_cp): Schedule function removal pass.
8372         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
8373         debug output.
8374         (cgraph_maybe_hot_edge_p): Move to ...
8375         * predict.c (cgraph_maybe_hot_edge_p) ... here.
8376         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
8377         (common_handle_option): Set them; enable ipa-cp when profiling.
8378         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
8379         (ipa_print_all_jump_functions): Likewise.
8380         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
8381         (ipa_print_node_params, ipa_print_all_params): New.
8382         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
8383         ipa_print_all_param_flags): Remove.
8384         (ipa_print_node_params, ipa_print_all_params): New.
8386 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
8388         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
8389         change from 2008-04-03.
8390         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
8392 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
8394         PR rtl-opt/37251
8395         * ira-color.c (push_allocnos_to_stack): Truncate
8396         removed_splay_allocno_vec.
8398 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
8400         PR rtl-opt/37243
8401         * ira-color (ira_fast_allocation): Don't assign hard registers to
8402         global allocnos.
8404 2008-08-29  Jan Hubicka  <jh@suse.cz>
8406         PR middle-end/37278
8407         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
8408         for cold internal loops.
8410 2008-08-29  Richard Guenther  <rguenther@suse.de>
8412         * tree-ssa-structalias.c (create_variable_info_for): Do not
8413         create fields for heap vars or vars with a noalias state.
8414         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
8415         from ESCAPED.
8417 2008-08-29  Richard Guenther  <rguenther@suse.de>
8419         * common.opt (ftree-store-ccp): Mark as preserved for
8420         backward compatibility.
8421         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
8422         * tree-pass.h (pass_store_ccp): Remove.
8423         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
8424         (first_vdef): Remove declaration.
8425         (get_value_loaded_by): Likewise.
8426         * tree-ssa-ccp.c (do_store_ccp): Remove.
8427         (get_default_value): Simplify as do_store_ccp is always false
8428         now.  Do not initialize mem_ref.
8429         (set_value_varying): Likewise.
8430         (canonicalize_float_value): Likewise.
8431         (set_lattice_value): Likewise.
8432         (likely_value): Likewise.
8433         (surely_varying_stmt_p): Likewise.
8434         (ccp_initialize): Likewise.
8435         (ccp_lattice_meet): Likewise.
8436         (ccp_visit_phi_node): Likewise.
8437         (ccp_fold): Likewise.
8438         (evaluate_stmt): Likewise.
8439         (visit_assignment): Likewise.
8440         (ccp_visit_stmt): Likewise.
8441         (execute_ssa_ccp): Fold into ...
8442         (do_ssa_ccp): ... this.
8443         (do_ssa_store_ccp): Remove.
8444         (gate_store_ccp): Likewise.
8445         (pass_store_ccp): Likewise.
8446         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
8447         initialize mem_ref.
8448         * tree-ssa-propagate.c (first_vdef): Remove.
8449         (get_value_loaded_by): Likewise.
8450         (replace_vuses_in): Likewise.
8451         (substitute_and_fold): Do not call replace_vuses_in.
8452         * opts.c (decode_options): Do not set flag_tree_store_ccp.
8454 2008-08-29  Richard Guenther  <rguenther@suse.de>
8456         PR middle-end/37236
8457         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
8458         PARAM_NOALIAS tags with is_heapvar.
8459         * tree-ssa-operands.c (access_can_touch_variable): Offset
8460         based tests do not apply for heapvars.  Fix offset test.
8462 2008-08-29  Jan Hubicka  <jh@suse.cz>
8464         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
8465         (-fipa-cp-clone): Enabled by default at -O3.
8466         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
8467         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
8469 2008-08-29  Jan Hubicka  <jh@suse.cz>
8471         * tree.c (build_function_type_skip_args,
8472         build_function_decl_skip_args): New functions.
8473         * tree.h (build_function_type_skip_args,
8474         build_function_decl_skip_args): Declare.
8475         * gimple.c (giple_copy_call_skip_args): New function.
8476         (giple_copy_call_skip_args): Declare.
8478         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
8479         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
8480         (ipcp_node_modifiable_p): ... this one; use
8481         tree_versionable_function_p.
8482         (ipcp_create_replace_map): Improve debug output.
8483         (ipcp_need_redirect_p): Return false when not clonning.
8484         (ipcp_update_callgraph): Skip args.
8485         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
8486         skip args.
8487         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
8488         (save_inline_function_body): Update call of tree_function_versioning.
8489         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
8490         * tree-inline.c (copy_arguments_for_versioning): Add skip_args
8491         argument.
8492         (tree_function_versioning): Likewise.
8493         * tree-inline.h (tree_function_versioning): Update prototype.
8495 2008-08-29  Jan Hubicka  <jh@suse.cz>
8497         * loop-unswitch.c (unswitch_single_loop): Use
8498         optimize_loop_for_speed_p.
8499         * tree-ssa-threadupdate.c (mark_threaded_blocks):
8500         Use optimize_function_for_size_p.
8501         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
8502         * postreload-gcse.c (eliminate_partially_redundant_load):
8503         Use optimize_bb_for_size_p.
8504         * value-prof.c (gimple_divmod_fixed_value_transform,
8505         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
8506         gimple_stringops_transform): Use optimize_bb_for_size_p.
8507         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
8508         * final.c (compute_alignments): Use optimize_function_for_size_p.
8509         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
8510         (fold_builtin_strcpy, fold_builtin_fputs): Use
8511         optimize_function_for_size_p.
8512         * fold-const.c (tree_swap_operands_p): Use
8513         optimize_function_for_size_p.
8514         * recog.c (relax_delay_slots): Likewise.
8515         * tree-ssa-math-opts.c (replace_reciprocal):
8516         Use optimize_bb_for_speed_p.
8517         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
8518         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
8519         optimize_function_for_size_p.
8520         (cgraph_decide_inlining_of_small_function): Use
8521         optimize_function_for_size_p.
8522         * global.c (find_reg): Use optimize_function_for_size_p.
8523         * opts.c (decode_options): Do not clear flag_tree_ch,
8524         flag_inline_functions, flag_unswitch_loops, flag_unroll_loops,
8525         flag_unroll_all_loops and flag_prefetch_loop_arrays. Those can
8526         work it out from profile.
8527         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
8528         optimize_loop_for_speed_p.
8529         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
8530         Constify argument.
8531         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
8532         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
8533         * tree-eh.c (decide_copy_try_finally): Use
8534         optimize_function_for_size_p.
8535         * local-alloc.c (block_alloc): Pass BB pointer.
8536         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
8537         * gcse.c (gcse_main): Use optimize_function_for_size_p.
8538         * loop-unroll.c (decide_unrolling_and_peeling):
8539         Use optimize_loop_for_size_p.
8540         (decide_peel_completely): Likewise.
8541         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
8542         optimize_loop_for_size_p.
8543         (vect_enhance_data_refs_alignment): Likewise.
8544         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
8545         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map):
8546         Update call.
8547         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
8548         (try_crossjump_bb): Use optimize_bb_for_size_p.
8549         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
8550         optimize_loop_for_speed_p.
8551         * bb-reorder.c (find_traces_1_round): Likewise.
8552         (copy_bb): Use optimize_bb_for_speed_p.
8553         (duplicate_computed_gotos): Likewise.
8554         * basic-block.h (optimize_loop_nest_for_size_p,
8555         optimize_loop_nest_for_speed_p): New.
8556         * stmt.c (expand_case): Use optimize_insn_for_size_p.
8558 2008-08-29  Tristan Gingold  <gingold@adacore.com>
8560         * gcov.c (main): Call expandargv.
8562 2008-08-29  Jan Hubicka  <jh@suse.cz>
8564         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
8565         is not cold.
8566         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
8567         Constify arguments.
8568         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
8569         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
8570         Constify.
8571         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
8573 2008-08-29  Jan Hubicka  <jh@suse.cz>
8575         * tree-pass.h (pass_strip_predict_hints): Declare.
8576         * predict.c (strip_builtin_expect): Rename to ...
8577         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
8578         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
8579         (tree_estimate_probability): Do not strip builtin_expect.
8580         (pass_strip_predict_hints): New pass.
8581         * tree-inline.c (expand_call_inline): When inlining cold function,
8582         predict it as unlikely.
8583         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
8585 2008-08-29  Richard Guenther  <rguenther@suse.de>
8587         PR tree-optimization/37207
8588         * tree-vrp.c (extract_range_from_binary_expr): Also try
8589         to constant fold if only one of the operands is a constant.
8591 2008-08-29  Nick Clifton  <nickc@redhat.com>
8593         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
8594         the same way as SYMBOL_REFs.
8596 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
8598         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
8600 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
8602         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
8603         * config/mips/mips.md (branch_likely): Remove const.  Fix
8604         comment formatting.
8605         (define_delay for type "branch"): Change to only apply for branch
8606         with likely variant.
8607         (define_delay for type "branch" and "branch_likely" no).  New delay
8608         definition.
8609         (equality_op): New code iterator.
8610         (bbv, bbinv): New code attributes.
8611         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
8612         patterns.
8614 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8615             Andrew Pinski  <pinskia@gcc.gnu.org>
8617         PR 18050
8618         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
8620 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
8622         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
8623         rule that a symbolic constant must be defined and >= 0 for the
8624         corresponding facility to be present at compile-time.
8625         * gthr-posix.c: Likewise.
8627 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
8629         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
8630         * config/mips/mips.md (D): New mode attribute.
8631         (mulsi3, muldi3): Merge it into ...
8632         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op patterns.
8633         (muldi3_mul3): New pattern.
8634         (mulsi3_mult3): Rename to mulsi3_mul3.
8636 2008-08-28  Jan Hubicka  <jh@suse.cz>
8638         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
8639         to fail.
8640         * predict.c (always_optimize_for_size_p): Rename to ...
8641         (optimize_function_for_size): ... this one; make extern.
8642         (optimize_function_for_speed_p): New.
8643         (optimize_bb_for_size_p, optimize_bb_for_size_p,
8644         optimize_edge_for_size_p,optimize_edge_for_size_p,
8645         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
8646         * basic-block.h (optimize_function_for_size_p,
8647         optimize_function_for_speed_p): Declare.
8648         * i386.md (optimize_size checks): Replace them by appropriate
8649         predicate.
8650         (standard_80387_constant_p, ix86_compute_frame_layout,
8651         ix86_expand_epilogue, ix86_decompose_address,
8652         print_operand, emit_i387_cw_initialization,
8653         inline_memory_move_cost, ix86_pad_returns,
8654         ix86_reorg): Replace optimize_size checks.
8656 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
8658         * rtl.h (simplify_subreg_regno): Declare.
8659         * rtlanal.c (simplify_subreg_regno): New function, split out from...
8660         * simplify-rtx.c (simplify_subreg): ...here.
8661         * reload.c (find_reloads): Use simplify_subreg_regno instead of
8662         subreg_offset_representable_p.
8664 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8666         PR c/30949
8667         * c-typeck.c (convert_for_assignment): Give a note describing what
8668         was passed and what was expected.
8670 2008-08-28  Joey Ye  <joey.ye@intel.com>
8672         * doc/extend.texi: Document AVX built-in functions.
8673         * doc/invoke.texi: Document -mavx.
8675 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
8676             Joey Ye  <joey.ye@intel.com>
8677             Xuepeng Guo  <xuepeng.guo@intel.com>
8679         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
8681         * config/i386/cpuid.h (bit_FMA): New.
8682         (bit_XSAVE): Likewise.
8683         (bit_OSXSAVE): Likewise.
8684         (bit_AVX): Likewise.
8686         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
8687         define.  Use ASM_OUTPUT_AVX_PREFIX.
8689         * config/i386/gmmintrin.h: New.
8691         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
8692         (OPTION_MASK_ISA_AVX_SET): New.
8693         (OPTION_MASK_ISA_FMA_SET): Likewise.
8694         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
8695         (OPTION_MASK_ISA_FMA_SET): Likewise.
8696         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
8697         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
8698         (pta_flags): Add PTA_AVX and PTA_FMA.
8699         (override_options): Handle PTA_AVX and PTA_FMA.
8700         (init_cumulative_args): Handle warn_avx.
8701         (classify_argument): Return 0 for COImode and OImode.  Return
8702         1 and X86_64_AVX_CLASS for 256bit vector types.
8703         (examine_argument): Handle X86_64_AVX_CLASS.
8704         (construct_container): Likewise.
8705         (function_arg_advance_32): Pass OImode and 256bit vector types
8706         in AVX register.
8707         (function_arg_advance_64): Take a new argument to indicate if a
8708         parameter is named.  Handle 256bit vector types.  Return
8709         immediately for unnamed 256bit vector mode parameters.
8710         (function_arg_advance): Updated.
8711         (function_arg_32): Add comments for TImode.  Handle OImode
8712         and 256bit vector types.
8713         (function_arg_64): Take a new argument to indicate if a
8714         parameter is named.  Handle 256bit vector types.  Return NULL
8715         for unnamed 256bit vector mode parameters.
8716         (function_arg): Updated.
8717         (setup_incoming_varargs_64): Support
8718         AVX encoding for *sse_prologue_save_insn.
8719         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
8720         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
8721         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
8722         enabled, otherwise return -3.
8723         (standard_sse_constant_opcode): Handle AVX and 256bit vector
8724         modes.
8725         (print_reg): Support AVX registers.  Handle 'x' and 't'.
8726         Handle 'd' to duplicate the operand.
8727         (print_operand): Likewise.  Also support AVX vector compare
8728         instructions.
8729         (output_387_binary_op): Support AVX.
8730         (output_fp_compare): Likewise.
8731         (ix86_expand_vector_move_misalign): Likewise.
8732         (ix86_attr_length_vex_default): New.
8733         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
8734         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
8735         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
8736         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
8737         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
8738         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
8739         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
8740         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
8741         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
8742         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
8743         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
8744         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
8745         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
8746         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
8747         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
8748         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
8749         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
8750         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
8751         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
8752         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
8753         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
8754         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
8755         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
8756         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
8757         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
8758         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
8759         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
8760         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
8761         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
8762         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
8763         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
8764         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
8765         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
8766         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
8767         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
8768         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
8769         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
8770         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
8771         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
8772         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
8773         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
8774         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
8775         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
8776         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
8777         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
8778         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
8779         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
8780         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
8781         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
8782         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
8783         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
8784         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
8785         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
8786         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
8787         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
8788         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
8789         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
8790         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
8791         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
8792         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
8793         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
8794         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
8795         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
8796         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
8797         and IX86_BUILTIN_MOVMSKPS256,
8798         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
8799         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
8800         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
8801         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
8802         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
8803         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
8804         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
8805         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
8806         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
8807         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
8808         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
8809         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
8810         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
8811         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
8812         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
8813         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
8814         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
8815         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
8816         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
8817         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
8818         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
8819         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
8820         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
8821         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
8822         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
8823         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
8824         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
8825         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
8826         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
8827         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
8828         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
8829         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
8830         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
8831         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
8832         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
8833         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
8834         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
8835         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
8836         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
8837         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
8838         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
8839         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
8840         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
8841         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
8842         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
8843         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
8844         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
8845         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
8846         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
8847         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
8848         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
8849         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
8850         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
8851         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
8852         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
8853         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
8854         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
8855         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
8856         IX86_BUILTIN_CMPPS,
8857         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
8858         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
8859         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
8860         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
8861         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
8862         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
8863         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
8864         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
8865         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
8866         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
8867         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
8868         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
8869         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
8870         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
8871         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
8872         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
8873         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
8874         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
8875         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
8876         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
8877         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
8878         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
8879         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
8880         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
8881         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
8882         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
8883         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
8884         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
8885         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
8886         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
8887         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
8888         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
8889         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
8890         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
8891         IX86_BUILTIN_MOVMSKPS256.
8892         (ix86_init_mmx_sse_builtins): Support AVX builtins.
8893         (ix86_expand_args_builtin): Likewise.
8894         (ix86_expand_special_args_builtin): Likewise.
8895         (ix86_hard_regno_mode_ok): Handle AVX modes.
8896         (ix86_expand_vector_init_duplicate): Likewise.
8897         (ix86_expand_vector_init_one_nonzero): Likewise.
8898         (ix86_expand_vector_init_one_var): Likewise.
8899         (ix86_expand_vector_init_concat): Likewise.
8900         (ix86_expand_vector_init_general): Likewise.
8901         (ix86_expand_vector_set): Likewise.
8902         (ix86_vector_mode_supported_p): Likewise.
8903         (x86_extended_reg_mentioned_p): Check INSN_P before using
8904         PATTERN.
8906         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
8907         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
8909         * config/i386/i386.h (TARGET_AVX): New.
8910         (TARGET_FMA): Likewise.
8911         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
8912         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
8913         (VALID_AVX256_REG_MODE): New.
8914         (AVX256_VEC_FLOAT_MODE_P): Likewise.
8915         (AVX_FLOAT_MODE_P): Likewise.
8916         (AVX128_VEC_FLOAT_MODE_P): Likewise.
8917         (AVX256_VEC_FLOAT_MODE_P): Likewise.
8918         (AVX_VEC_FLOAT_MODE_P): Likewise.
8919         (ASM_OUTPUT_AVX_PREFIX): Likewise.
8920         (ASM_OUTPUT_OPCODE): Likewise.
8921         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
8922         support.
8923         (SSE_REG_MODE_P): Allow 256bit vector modes.
8924         (ix86_args): Add a warn_avx field.
8926         * config/i386/i386.md (UNSPEC_PCMP): New.
8927         (UNSPEC_VPERMIL): Likewise.
8928         (UNSPEC_VPERMIL2): Likewise.
8929         (UNSPEC_VPERMIL2F128): Likewise.
8930         (UNSPEC_MASKLOAD): Likewise.
8931         (UNSPEC_MASKSTORE): Likewise.
8932         (UNSPEC_CAST): Likewise.
8933         (UNSPEC_VTESTP): Likewise.
8934         (UNSPECV_VZEROALL): Likewise.
8935         (UNSPECV_VZEROUPPER): Likewise.
8936         (XMM0_REG): Likewise.
8937         (XMM1_REG): Likewise.
8938         (XMM2_REG): Likewise.
8939         (XMM3_REG): Likewise.
8940         (XMM4_REG): Likewise.
8941         (XMM5_REG): Likewise.
8942         (XMM6_REG): Likewise.
8943         (XMM8_REG): Likewise.
8944         (XMM9_REG): Likewise.
8945         (XMM10_REG): Likewise.
8946         (XMM11_REG): Likewise.
8947         (XMM12_REG): Likewise.
8948         (XMM13_REG): Likewise.
8949         (XMM14_REG): Likewise.
8950         (XMM15_REG): Likewise.
8951         (prefix): Likewise.
8952         (prefix_vex_imm8): Likewise.
8953         (prefix_vex_w): Likewise.
8954         (length_vex): Likewise.
8955         (maxmin): Likewise.
8956         (movoi): Likewise.
8957         (*avx_ashlti3): Likewise.
8958         (*avx_lshrti3): Likewise.
8959         (*avx_setcc<mode>): Likewise.
8960         (*fop_<mode>_comm_mixed_avx): Likewise.
8961         (*fop_<mode>_comm_avx): Likewise.
8962         (*fop_<mode>_1_mixed_avx): Likewise.
8963         (*fop_<mode>_1_avx): Likewise.
8964         (*avx_<code><mode>3): Likewise.
8965         (*avx_ieee_smin<mode>3): Likewise.
8966         (*avx_ieee_smax<mode>3): Likewise.
8967         (mode): Add OI, V8SF and V4DF.
8968         (length): Support VEX prefix.
8969         (*cmpfp_i_mixed): Set prefix attribute.
8970         (*cmpfp_i_sse): Likewise.
8971         (*cmpfp_iu_mixed): Likewise.
8972         (*cmpfp_iu_sse): Likewise.
8973         (*movsi_1): Support AVX.
8974         (*movdi_2): Likewise.
8975         (*movdi_1_rex64): Likewise.
8976         (*movti_internal): Likewise.
8977         (*movti_rex64): Likewise.
8978         (*movsf_1): Likewise.
8979         (*movdf_nointeger): Likewise.
8980         (*movdf_integer_rex64): Likewise.
8981         (*movtf_internal): Likewise.
8982         (zero_extendsidi2_32): Likewise.
8983         (zero_extendsidi2_rex64): Likewise.
8984         (*extendsfdf2_mixed): Likewise.
8985         (*extendsfdf2_sse): Likewise.
8986         (*truncdfsf_fast_mixed): Likewise.
8987         (*truncdfsf_fast_sse): Likewise.
8988         (*truncdfsf_mixed): Likewise.
8989         (fix_trunc<mode>di_sse): Likewise.
8990         (fix_trunc<mode>si_sse): Likewise.
8991         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
8992         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
8993         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
8994         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
8995         (*rcpsf2_sse): Likewise.
8996         (*rsqrtsf2_sse): Likewise.
8997         (*sqrt<mode>2_sse): Likewise.
8998         (sse4_1_round<mode>2): Likewise.
8999         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
9000         Support AVX.  Set length attribute properly for AVX.
9002         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
9003         (VECTOR_MODES (FLOAT, 32)): Likewise.
9004         (VECTOR_MODE (INT, DI, 8)): Likewise.
9005         (VECTOR_MODE (INT, HI, 32)): Likewise.
9006         (VECTOR_MODE (INT, QI, 64)): Likewise.
9007         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
9008         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
9009         (VECTOR_MODE (INT, DI, 4)): Removed.
9010         (VECTOR_MODE (INT, SI, 8)): Likewise.
9011         (VECTOR_MODE (INT, HI, 16)): Likewise.
9012         (VECTOR_MODE (INT, QI, 32)): Likewise.
9013         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
9014         (INT_MODE (OI, 32)): Likewise.
9016         * config/i386/i386.opt (mavx): New.
9017         (mfma): Likewise.
9019         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
9021         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
9022         (*mov<mode>_internal_avx): New.
9023         (*movv2sf_internal_rex64_avx): Likewise.
9024         (*movv2sf_internal_avx): Likewise.
9026         * config/i386/predicates.md (const_4_to_5_operand): New.
9027         (const_6_to_7_operand): Likewise.
9028         (const_8_to_11_operand): Likewise.
9029         (const_12_to_15_operand): Likewise.
9030         (avx_comparison_float_operator): Likewise.
9032         * config/i386/sse.md (AVX256MODEI): New.
9033         (AVX256MODE): Likewise.
9034         (AVXMODEQI): Likewise.
9035         (AVXMODE): Likewise.
9036         (AVX256MODEF2P): Likewise.
9037         (AVX256MODE2P): Likewise.
9038         (AVX256MODE4P): Likewise.
9039         (AVX256MODE8P): Likewise.
9040         (AVXMODEF2P): Likewise.
9041         (AVXMODEF4P): Likewise.
9042         (AVXMODEDCVTDQ2PS): Likewise.
9043         (AVXMODEDCVTPS2DQ): Likewise.
9044         (avxvecmode): Likewise.
9045         (avxvecpsmode): Likewise.
9046         (avxhalfvecmode): Likewise.
9047         (avxscalarmode): Likewise.
9048         (avxcvtvecmode): Likewise.
9049         (avxpermvecmode): Likewise.
9050         (avxmodesuffixf2c): Likewise.
9051         (avxmodesuffixp): Likewise.
9052         (avxmodesuffixs): Likewise.
9053         (avxmodesuffix): Likewise.
9054         (vpermilbits): Likewise.
9055         (pinsrbits): Likewise.
9056         (mov<mode>): Likewise.
9057         (*mov<mode>_internal): Likewise.
9058         (push<mode>1): Likewise.
9059         (movmisalign<mode>): Likewise.
9060         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9061         (avx_movdqu<avxmodesuffix>): Likewise.
9062         (avx_lddqu<avxmodesuffix>): Likewise.
9063         (<plusminus_insn><mode>3): Likewise.
9064         (*avx_<plusminus_insn><mode>3): Likewise.
9065         (*avx_vm<plusminus_insn><mode>3): Likewise.
9066         (mul<mode>3): Likewise.
9067         (*avx_mul<mode>3): Likewise.
9068         (*avx_vmmul<mode>3): Likewise.
9069         (divv8sf3): Likewise.
9070         (divv4df3): Likewise.
9071         (avx_div<mode>3): Likewise.
9072         (*avx_div<mode>3): Likewise.
9073         (*avx_vmdiv<mode>3): Likewise.
9074         (avx_rcpv8sf2): Likewise.
9075         (*avx_vmrcpv4sf2): Likewise.
9076         (sqrtv8sf2): Likewise.
9077         (avx_sqrtv8sf2): Likewise.
9078         (*avx_vmsqrt<mode>2): Likewise.
9079         (rsqrtv8sf2): Likewise.
9080         (avx_rsqrtv8sf2): Likewise.
9081         (*avx_vmrsqrtv4sf2): Likewise.
9082         (<code><mode>3): Likewise.
9083         (*avx_<code><mode>3_finite): Likewise.
9084         (*avx_<code><mode>3): Likewise.
9085         (*avx_vm<code><mode>3): Likewise.
9086         (*avx_ieee_smin<mode>3): Likewise.
9087         (*avx_ieee_smax<mode>3): Likewise.
9088         (avx_addsubv8sf3): Likewise.
9089         (avx_addsubv4df3): Likewise.
9090         (*avx_addsubv4sf3): Likewise.
9091         (*avx_addsubv2df3): Likewise.
9092         (avx_h<plusminus_insn>v4df3): Likewise.
9093         (avx_h<plusminus_insn>v8sf3): Likewise.
9094         (*avx_h<plusminus_insn>v4sf3): Likewise.
9095         (*avx_h<plusminus_insn>v2df3): Likewise.
9096         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
9097         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
9098         (*avx_maskcmp<mode>3): Likewise.
9099         (avx_nand<mode>3): Likewise.
9100         (*avx_<code><mode>3): Likewise.
9101         (*avx_nand<mode>3): Likewise.
9102         (*avx_<code><mode>3): Likewise.
9103         (*avx_cvtsi2ss): Likewise.
9104         (*avx_cvtsi2ssq): Likewise.
9105         (*avx_cvtsi2sd): Likewise.
9106         (*avx_cvtsi2sdq): Likewise.
9107         (*avx_cvtsd2ss): Likewise.
9108         (avx_cvtss2sd): Likewise.
9109         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
9110         (avx_cvtps2dq<avxmodesuffix>): Likewise.
9111         (avx_cvttps2dq<avxmodesuffix>): Likewise.
9112         (*avx_cvtsi2sd): Likewise.
9113         (*avx_cvtsi2sdq): Likewise.
9114         (avx_cvtdq2pd256): Likewise.
9115         (avx_cvtpd2dq256): Likewise.
9116         (avx_cvttpd2dq256): Likewise.
9117         (*avx_cvtsd2ss): Likewise.
9118         (*avx_cvtss2sd): Likewise.
9119         (avx_cvtpd2ps256): Likewise.
9120         (avx_cvtps2pd256): Likewise.
9121         (*avx_movhlps): Likewise.
9122         (*avx_movlhps): Likewise.
9123         (avx_unpckhps256): Likewise.
9124         (*avx_unpckhps): Likewise.
9125         (avx_unpcklps256): Likewise.
9126         (*avx_unpcklps): Likewise.
9127         (avx_movshdup256): Likewise.
9128         (avx_movsldup256): Likewise.
9129         (avx_shufps256): Likewise.
9130         (avx_shufps256_1): Likewise.
9131         (*avx_shufps_<mode>): Likewise.
9132         (*avx_loadhps): Likewise.
9133         (*avx_storelps): Likewise.
9134         (*avx_loadlps): Likewise.
9135         (*avx_movss): Likewise.
9136         (*vec_dupv4sf_avx): Likewise.
9137         (*vec_concatv2sf_avx): Likewise.
9138         (*vec_concatv4sf_avx): Likewise.
9139         (*vec_setv4sf_0_avx): Likewise.
9140         (*vec_setv4sf_avx): Likewise.
9141         (*avx_insertps): Likewise.
9142         (avx_vextractf128<mode>): Likewise.
9143         (vec_extract_lo_<mode>): Likewise.
9144         (vec_extract_hi_<mode>): Likewise.
9145         (vec_extract_lo_<mode>): Likewise.
9146         (vec_extract_hi_<mode>): Likewise.
9147         (vec_extract_lo_v16hi): Likewise.
9148         (vec_extract_hi_v16hi): Likewise.
9149         (vec_extract_lo_v32qi): Likewise.
9150         (vec_extract_hi_v32qi): Likewise.
9151         (avx_unpckhpd256): Likewise.
9152         (*avx_unpckhpd): Likewise.
9153         (avx_movddup256): Likewise.
9154         (*avx_movddup): Likewise.
9155         (avx_unpcklpd256): Likewise.
9156         (*avx_unpcklpd): Likewise.
9157         (avx_shufpd256): Likewise.
9158         (avx_shufpd256_1): Likewise.
9159         (*avx_punpckhqdq): Likewise.
9160         (*avx_punpcklqdq): Likewise.
9161         (*avx_shufpd_<mode>): Likewise.
9162         (*avx_storehpd): Likewise.
9163         (*avx_loadhpd): Likewise.
9164         (*avx_loadlpd): Likewise.
9165         (*avx_movsd): Likewise.
9166         (*vec_concatv2df_avx): Likewise.
9167         (*avx_<plusminus_insn><mode>3): Likewise.
9168         (*avx_<plusminus_insn><mode>3): Likewise.
9169         (*avx_mulv8hi3): Likewise.
9170         (*avxv8hi3_highpart): Likewise.
9171         (*avx_umulv8hi3_highpart): Likewise.
9172         (*avx_umulv2siv2di3): Likewise.
9173         (*avx_mulv2siv2di3): Likewise.
9174         (*avx_pmaddwd): Likewise.
9175         (*avx_mulv4si3): Likewise.
9176         (*avx_ashr<mode>3): Likewise.
9177         (*avx_lshr<mode>3): Likewise.
9178         (*avx_ashl<mode>3): Likewise.
9179         (*avx_<code><mode>3): Likewise.
9180         (*avx_eq<mode>3): Likewise.
9181         (*avx_gt<mode>3): Likewise.
9182         (*avx_nand<mode>3): Likewise.
9183         (*avx_nand<mode>3): Likewise.
9184         (*avx_<code><mode>3): Likewise.
9185         (*avx_<code><mode>3): Likewise.
9186         (*avx_packsswb): Likewise.
9187         (*avx_packssdw): Likewise.
9188         (*avx_packuswb): Likewise.
9189         (*avx_punpckhbw): Likewise.
9190         (*avx_punpcklbw): Likewise.
9191         (*avx_punpckhwd): Likewise.
9192         (*avx_punpcklwd): Likewise.
9193         (*avx_punpckhdq): Likewise.
9194         (*avx_punpckldq): Likewise.
9195         (*avx_pinsr<avxmodesuffixs>): Likewise.
9196         (*avx_pinsrq): Likewise.
9197         (*avx_loadld): Likewise.
9198         (*vec_extractv2di_1_rex64_avx): Likewise.
9199         (*vec_extractv2di_1_avx): Likewise.
9200         (*vec_dupv2di_avx): Likewise.
9201         (*vec_concatv2si_avx): Likewise.
9202         (*vec_concatv4si_1_avx): Likewise.
9203         (*vec_concatv2di_avx): Likewise.
9204         (*vec_concatv2di_rex64_avx): Likewise.
9205         (*avx_uavgv16qi3): Likewise.
9206         (*avx_uavgv8hi3): Likewise.
9207         (*avx_psadbw): Likewise.
9208         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
9209         (*avx_phaddwv8hi3): Likewise.
9210         (*avx_phadddv4si3): Likewise.
9211         (*avx_phaddswv8hi3): Likewise.
9212         (*avx_phsubwv8hi3): Likewise.
9213         (*avx_phsubdv4si3): Likewise.
9214         (*avx_phsubswv8hi3): Likewise.
9215         (*avx_pmaddubsw128): Likewise.
9216         (*avx_pmulhrswv8hi3): Likewise.
9217         (*avx_pshufbv16qi3): Likewise.
9218         (*avx_psign<mode>3): Likewise.
9219         (*avx_palignrti): Likewise.
9220         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9221         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9222         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9223         (*avx_mpsadbw): Likewise.
9224         (*avx_packusdw): Likewise.
9225         (*avx_pblendvb): Likewise.
9226         (*avx_pblendw): Likewise.
9227         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9228         (avx_ptest256): Likewise.
9229         (avx_roundp<avxmodesuffixf2c>256): Likewise.
9230         (*avx_rounds<ssemodesuffixf2c>): Likewise.
9231         (*avx_aesenc): Likewise.
9232         (*avx_aesenclast): Likewise.
9233         (*avx_aesdec): Likewise.
9234         (*avx_aesdeclast): Likewise.
9235         (avx_vzeroupper): Likewise.
9236         (avx_vzeroupper_rex64): Likewise.
9237         (avx_vpermil<mode>): Likewise.
9238         (avx_vpermilvar<mode>3): Likewise.
9239         (avx_vpermil2<mode>3): Likewise.
9240         (avx_vperm2f128<mode>3): Likewise.
9241         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9242         (avx_vbroadcastss256): Likewise.
9243         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
9244         (avx_vinsertf128<mode>): Likewise.
9245         (vec_set_lo_<mode>): Likewise.
9246         (vec_set_hi_<mode>): Likewise.
9247         (vec_set_lo_<mode>): Likewise.
9248         (vec_set_hi_<mode>): Likewise.
9249         (vec_set_lo_v16hi): Likewise.
9250         (vec_set_hi_v16hi): Likewise.
9251         (vec_set_lo_v32qi): Likewise.
9252         (vec_set_hi_v32qi): Likewise.
9253         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9254         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
9255         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
9256         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
9257         (vec_init<mode>): Likewise.
9258         (*vec_concat<mode>_avx): Likewise.
9259         (blendbits): Support V8SF and V4DF.
9260         (sse2_movq128): Support AVX.
9261         (<sse>_movnt<mode>): Likewise.
9262         (sse2_movntv2di): Likewise.
9263         (sse_rcpv4sf2): Likewise.
9264         (sse_sqrtv4sf2): Likewise.
9265         (sse_rsqrtv4sf2): Likewise.
9266         (<sse>_comi): Likewise.
9267         (<sse>_ucomi): Likewise.
9268         (sse_cvtss2si): Likewise.
9269         (sse_cvtss2si_2): Likewise.
9270         (sse_cvtss2siq): Likewise.
9271         (sse_cvtss2siq_2): Likewise.
9272         (sse_cvttss2si): Likewise.
9273         (sse_cvttss2siq): Likewise.
9274         (sse2_cvtsd2si): Likewise.
9275         (sse2_cvtsd2si_2): Likewise.
9276         (sse2_cvtsd2siq): Likewise.
9277         (sse2_cvtsd2siq_2): Likewise.
9278         (sse2_cvttsd2si): Likewise.
9279         (sse2_cvttsd2siq): Likewise.
9280         (sse2_cvtdq2pd): Likewise.
9281         (*sse2_cvtpd2dq): Likewise.
9282         (*sse2_cvttpd2dq): Likewise.
9283         (*sse2_cvtpd2ps): Likewise.
9284         (sse2_cvtps2pd): Likewise.
9285         (sse3_movshdup): Likewise.
9286         (sse3_movsldup): Likewise.
9287         (sse_storehps): Likewise.
9288         (*sse4_1_extractps): Likewise.
9289         (sse2_storelpd): Likewise.
9290         (vec_dupv2df_sse3): Likewise.
9291         (*vec_concatv2df_sse3): Likewise.
9292         (*sse4_1_pextrb): Likewise.
9293         (*sse4_1_pextrb_memory): Likewise.
9294         (*sse2_pextrw): Likewise.
9295         (*sse4_1_pextrw_memory): Likewise.
9296         (*sse4_1_pextrd): Likewise.
9297         (*sse4_1_pextrq): Likewise.
9298         (sse2_pshufd_1): Likewise.
9299         (sse2_pshuflw_1): Likewise.
9300         (sse2_pshufhw_1): Likewise.
9301         (*sse2_storeq_rex64): Likewise.
9302         (*vec_dupv4si): Likewise.
9303         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
9304         (sse2_pmovmskb): Likewise.
9305         (*sse2_maskmovdqu): Likewise.
9306         (*sse2_maskmovdqu_rex64): Likewise.
9307         (sse_ldmxcsr): Likewise.
9308         (sse_stmxcsr): Likewise.
9309         (abs<mode>2): Likewise.
9310         (sse4_1_movntdqa): Likewise.
9311         (sse4_1_phminposuw): Likewise.
9312         (sse4_1_extendv8qiv8hi2): Likewise.
9313         (*sse4_1_extendv8qiv8hi2): Likewise.
9314         (sse4_1_extendv4qiv4si2): Likewise.
9315         (*sse4_1_extendv4qiv4si2): Likewise.
9316         (sse4_1_extendv2qiv2di2): Likewise.
9317         (*sse4_1_extendv2qiv2di2): Likewise.
9318         (sse4_1_extendv4hiv4si2): Likewise.
9319         (*sse4_1_extendv4hiv4si2): Likewise.
9320         (sse4_1_extendv2hiv2di2): Likewise.
9321         (*sse4_1_extendv2hiv2di2): Likewise.
9322         (sse4_1_extendv2siv2di2): Likewise.
9323         (*sse4_1_extendv2siv2di2): Likewise.
9324         (sse4_1_zero_extendv8qiv8hi2): Likewise.
9325         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
9326         (sse4_1_zero_extendv4qiv4si2): Likewise.
9327         (*sse4_1_zero_extendv4qiv4si2): Likewise.
9328         (sse4_1_zero_extendv2qiv2di2): Likewise.
9329         (*sse4_1_zero_extendv2qiv2di2): Likewise.
9330         (sse4_1_zero_extendv4hiv4si2): Likewise.
9331         (*sse4_1_zero_extendv4hiv4si2): Likewise.
9332         (sse4_1_zero_extendv2hiv2di2): Likewise.
9333         (*sse4_1_zero_extendv2hiv2di2): Likewise.
9334         (sse4_1_zero_extendv2siv2di2): Likewise.
9335         (*sse4_1_zero_extendv2siv2di2): Likewise.
9336         (sse4_1_ptest): Likewise.
9337         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
9338         (sse4_2_pcmpestri): Likewise.
9339         (sse4_2_pcmpestrm): Likewise.
9340         (sse4_2_pcmpistri): Likewise.
9341         (sse4_2_pcmpistrm): Likewise.
9342         (aesimc): Likewise.
9343         (aeskeygenassist): Likewise.
9345 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
9347         * config/i386/predicates.md (vzeroall_operation): New.
9349         * config/i386/sse.md (avx_vzeroall): New.
9350         (*avx_vzeroall): Likewise.
9352 2008-08-28  Paul Brook  <paul@codesourcery.com>
9353             Mark Shinwell  <shinwell@codesourcery.com>
9354             Richard Earnshaw  <richard.earnshaw@arm.com>
9356         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
9357         (TARGET_MIN_ANCHOR_OFFSET): New.
9358         (arm_override_options): Set correct anchor ranges for Thumb-1
9359         and Thumb-2 if required.
9360         (legitimize_pic_address): Handle case involving a TLS symbol
9361         reference with an addend.
9362         (arm_optimization_options): Enable section anchors at -O1 and
9363         above.
9364         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
9365         * config/arm/arm-protos.h (arm_optimization_options): New.
9367 2008-08-28  Nick Clifton  <nickc@redhat.com>
9369         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
9370         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
9371         attribute.
9373         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
9374         * config/v850/v850.md (return): Remove frame size restriction.
9376         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
9378         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
9380         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
9382         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
9384 2008-08-28  Paul Brook  <paul@codesourcery.com>
9386         * config/arm/vfp11.md: Update license notice.
9387         * config/arm/cortex-r4.md: Ditto.
9389 2008-08-28  Richard Guenther  <rguenther@suse.de>
9391         PR tree-optimization/37207
9392         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
9393         tuplification bug.
9395 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
9397         PR c++/36741
9398         * tree.c (int_fits_type_p): Don't forget unsigned integers
9399           of type sizetype which higher end word equals -1.
9401 2008-08-28  Ira Rosen  <irar@il.ibm.com>
9403         * target.h (struct vectorize): Add new target builtin.
9404         * tree-vectorizer.c (destroy_loop_vec_info): Call
9405         vect_free_slp_instance instead of vect_free_slp_node.
9406         * tree-vectorizer.h (enum slp_load_perm_type): New.
9407         (struct _slp_instance): Add new fields.
9408         (SLP_INSTANCE_LOAD_PERMUTATION): New.
9409         (SLP_INSTANCE_LOADS): New.
9410         (vect_free_slp_tree): Remove.
9411         (vect_free_slp_instance): Declare.
9412         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
9413         (vectorizable_load): Add argument.
9414         (vect_transform_slp_perm_load): New.
9415         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
9416         vectorizable_load.
9417         (vect_get_place_in_interleaving_chain): New function.
9418         (vect_free_slp_tree): Make static.
9419         (vect_free_slp_instance): New function.
9420         (vect_build_slp_tree): Add new arguments. Allow load permutations and
9421         collect the load location in the interleaving chain.
9422         (vect_supported_slp_permutation_p): New function.
9423         (vect_supported_load_permutation_p): Likewise.
9424         (vect_analyze_slp_instance): In case of loads permutation, call
9425         vect_supported_load_permutation_p to check that the permutation is
9426         supported.
9427         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
9428         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
9429         (vect_create_mask_and_perm): New function.
9430         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
9431         (vectorizable_load): Add an argument. Don't keep the created vectors
9432         statements in the node if permutation is required. Call
9433         vect_transform_slp_perm_load to generate the permutation.
9434         (vect_transform_stmt): Add new argument. Call vectorizable_load with
9435         additional argument.
9436         (vect_schedule_slp_instance): In case of loads permutation, allocate
9437         vectorized statements structure for all the related SLP nodes. Call
9438         vect_transform_stmt with addditional argument.
9439         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
9440         * config/spu/spu.c (spu_builtin_vec_perm): New.
9441         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
9442         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
9443         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
9444         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
9446 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
9448         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
9449         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
9450         __gthread_cond_signal, __gthread_cond_timedwait,
9451         __gthread_cond_timedwait_recursive): New functions.
9452         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
9453         Likewise.
9454         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
9455         thread interfaces.
9457 2008-08-28  Richard Guenther  <rguenther@suse.de>
9459         PR middle-end/37005
9460         * fold-const.c (maybe_canonicalize_comparison_1): Require
9461         undefined overflow only for canonicalizing A +- CST cmp CST.
9462         Make sure to not generate new constants that are not inside
9463         their TYPE_MIN/MAX_VALUE range.
9464         (maybe_canonicalize_comparison): Remove undefined overflow
9465         checking from here.
9466         (fold_binary): Remove now duplicate folding.
9468 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
9470         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
9471         use not updated in the last change.
9473 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
9475         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
9476         (IRA_COVER_CLASSES): Add FPUL_REGS.
9478 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9480         PR 37217
9481         * c-common.c (conversion_warning): Check for null operands.
9483 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9485         PR c/31673
9486         * c-decl.c (check_for_loop_decls): Improve error message. Give
9487         hint.
9489 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9491         PR c/37186
9492         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
9493         (convert_for_assignment): Pass corrent OPT_W* parameter to
9494         WARN_FOR_ASSIGNMENT.
9496 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
9498         PR c++/35321
9499         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
9501 2008-08-27  Paul Brook  <paul@codesourcery.com>
9503         * config.gcc: Loosen checks for arm uclinux eabi targets.
9505 2008-08-27  Paul Brook  <paul@codesourcery.com>
9507         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
9508         _clzsi2.
9509         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
9511 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
9513         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
9514         the enumerators of an ENUMERAL_TYPE.
9515         * dbxout.c (dbxout_type): Ditto.
9517 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9519         PR rtl-opt/37219
9520         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
9521         (fwprop_addr): Check that the loop_father is not the outer loop.
9523 2008-08-26  Paul Brook  <paul@codesourcery.com>
9525         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
9526         Remove documentation entry for fmul type.
9527         Use fmuls to annotate single-precision multiplication patterns,
9528         fmuld to annotate double-precision multiplication patterns,
9529         fmacs to annotate single-precision multiply-accumulate patterns
9530         and fmacd to annotate double-precision multiply-accumulate patterns.
9531         * config/arm/vfp11.md: Update reservations accordingly.
9532         * config/arm/arm.md: Note that certain values of the "type"
9533         attribute are documented in vfp.md.
9534         * config/arm/arm1020e.md: Remove out of date duplicate comment.
9535         (v10_cvt): Use new fmul types.
9537 2008-08-26  Paul Brook  <paul@codesourcery.com>
9539         * config/arm/vfp.md: Move pipeline description for VFP11 to...
9540         * config/arm/vfp11.md: ...here.  New.
9541         * config/arm/arm.md: Include vfp11.md.
9543 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
9545         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
9546         parameter to inform call.
9548 2008-08-26  Jeff Law  <law@redhat.com>
9550         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
9551         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
9552         preferred class when copying a constant into a partial word register.
9554 2008-08-26  Ben Elliston  <bje@au.ibm.com>
9556         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
9557         * cp/typeck.c: Likewise.
9558         * cp/tree.c: Likewise.
9559         * gimple-low.c: Likewise.
9560         * jump.c: Likewise.
9562 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
9564         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
9565         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
9567         * doc/passes.texi: Describe IRA.
9569         * doc/tm.texi (IRA_COVER_CLASSES,
9570         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
9572         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
9573         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
9574         -fira-propagate-cost, -fno-ira-share-save-slots,
9575         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
9577         * flags.h (ira_algorithm): New enumeration.
9578         (flag_ira_algorithm, flag_ira_verbose): New external variable
9579         declarations.
9581         * postreload.c (gate_handle_postreload): Don't do post reload
9582         optimizations unless the reload is completed.
9584         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
9585         IRA.
9587         * tree-pass.h (pass_ira): New external variable declaration.
9589         * reload.h: Add 2008 to the Copyright.
9591         * cfgloopanal.c: Include params.h.
9592         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
9593         mode.
9595         * params.h (IRA_MAX_LOOPS_NUM): New macro.
9597         * toplev.c (ira.h): New include.
9598         (flag_ira_algorithm, flag_ira_verbose): New external variables.
9599         (backend_init_target): Call ira_init.
9600         (backend_init): Call ira_init_once.
9601         (finalize): Call finish_ira_once.
9603         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
9604         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
9605         external variables.
9607         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
9608         may_move_out_cost): New external variable declarations.
9609         (move_table): New typedef.
9611         * caller-save.c: Include headers output.h and ira.h.
9612         (no_caller_save_reg_set): New global variable.
9613         (save_slots_num, save_slots): New variables.
9614         (reg_save_code, reg_restore_code, add_stored_regs): Add
9615         prototypes.
9616         (init_caller_save): Set up no_caller_save_reg_set.
9617         (init_save_areas): Reset save_slots_num.
9618         (saved_hard_reg): New structure.
9619         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
9620         (initiate_saved_hard_regs, new_saved_hard_reg,
9621         finish_saved_hard_regs, saved_hard_reg_compare_func): New
9622         functions.
9623         (setup_save_areas): Add code for sharing stack slots.
9624         (all_blocks): New variable.
9625         (save_call_clobbered_regs): Process pseudo-register too.
9626         (mark_set_regs): Process pseudo-register too.
9627         (insert_one_insn): Put the insn after bb note in a empty basic
9628         block.  Add insn check.
9630         * global.c (eliminable_regset): Make it external.
9631         (mark_elimination): Use DF_LR_IN for IRA.
9632         (pseudo_for_reload_consideration_p): New.
9633         (build_insn_chain): Make it external.  Don't ignore spilled
9634         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
9635         (gate_handle_global_alloc): New function.
9636         (pass_global_alloc): Add the gate function.
9638         * opts.c (decode_options): Set up flag_ira.  Print the warning for
9639         -fira.
9640         (common_handle_option): Process -fira-algorithm and -fira-verbose.
9642         * timevar.def (TV_IRA, TV_RELOAD): New passes.
9644         * regmove.c (regmove_optimize): Don't do replacement of output for
9645         IRA.
9647         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
9648         New external variable declarations.
9650         * local-alloc.c (update_equiv_regs): Make it external.  Return
9651         true if jump label rebuilding should be done.  Rescan new_insn for
9652         notes.
9653         (gate_handle_local_alloc): New function.
9654         (pass_local_alloc): Add the gate function.
9656         * alias.c (value_addr_p, stack_addr_p): New functions.
9657         (nonoverlapping_memrefs_p): Use them for IRA.
9659         * common.opt (fira, fira-algorithm, fira-coalesce,
9660         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
9661         fira-verbose): New options.
9663         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
9664         move_cost, may_move_in_cost, may_move_out_cost): Make the
9665         variables external.
9666         (move_table): Remove typedef.
9667         (init_move_cost): Make it external.
9668         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
9669         functions.
9671         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
9672         setup_reg_classes): New function prototypes.
9673         (eliminable_regset): New external variable declaration.
9674         (build_insn_chain, update_equiv_regs): New function prototypes.
9676         * Makefile.in (IRA_INT_H): New definition.
9677         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
9678         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
9679         (reload1.o, toplev.o): Add dependence on ira.h.
9680         (cfgloopanal.o): Add PARAMS_H.
9681         (caller-save.o): Add dependence on output.h and ira.h.
9682         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
9683         ira-emit.o, ira-lives.o): New entries.
9685         * passes.c (pass_ira): New pass.
9687         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
9689         * reload1.c (ira.h): Include the header.
9690         (changed_allocation_pseudos): New bitmap.
9691         (init_reload): Initiate the bitmap.
9692         (compute_use_by_pseudos): Permits spilled registers in FROM.
9693         (temp_pseudo_reg_arr): New variable.
9694         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
9695         IRA.  Call alter_reg with the additional parameter.  Don't clear
9696         spilled_pseudos for IRA.  Restore original insn chain for IRA.
9697         Clear changed_allocation_pseudos at the end of reload.
9698         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
9699         (hard_regno_to_pseudo_regno): New variable.
9700         (count_pseudo): Check spilled pseudos.  Set up
9701         hard_regno_to_pseudo_regno.
9702         (count_spilled_pseudo): Check spilled pseudos. Update
9703         hard_regno_to_pseudo_regno.
9704         (find_reg): Use better_spill_reload_regno_p.  Check
9705         hard_regno_to_pseudo_regno.
9706         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
9707         code for IRA.
9708         (eliminate_regs_1): Use additional parameter for alter_reg.
9709         (finish_spills): Set up pseudo_previous_regs only for spilled
9710         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
9711         more arguments.  Don't clear live_throughout and dead_or_set for
9712         spilled pseudos.  Use additional parameter for alter_reg.  Call
9713         mark_allocation_change.  Set up changed_allocation_pseudos.
9714         Remove sanity check.
9715         (emit_input_reload_insns, delete_output_reload): Use additional
9716         parameter for alter_reg.  Call mark_allocation_change.
9717         (substitute, gen_reload_chain_without_interm_reg_p): New
9718         functions.
9719         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
9721         * testsuite/gcc.dg/20080410-1.c: New file.
9723         * config/s390/s390.h (IRA_COVER_CLASSES,
9724         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
9726         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
9728         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
9730         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
9732         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
9734         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
9736         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
9738         2008-08-24  Jeff Law  <law@redhat.com>
9739         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
9740         when ignoring unavailable registers.
9742         2008-08-24  Jeff Law  <law@redhat.com>
9743         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
9744         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
9745         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
9746         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
9748         2008-06-03  Steve Chamberlain  <steve.chamberlain@gmail.com>
9749         * ira-build.c (allocno_range_compare_func): Stabilize sort.
9751         2008-05-29  Andy Hutchinson  <hutchinsonandy@aim.com>
9752         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
9753         * reload1.c (find_reg): Process registers in register allocation order.
9755         2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>
9756         * toplev.c (backend_init_target): Move ira_init call from
9757         here...
9758         (lang_dependent_init_target): ...to here.
9760         2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>
9761         * ira.c (setup_class_subset_and_memory_move_costs): Don't
9762         calculate memory move costs for NO_REGS.
9764         2008-05-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9765         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
9766         STACK_REGS is defined.
9768         2008-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9769         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
9771         2008-04-04  Bernd Schmidt  <bernd.schmidt@analog.com>
9772         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
9774         2008-04-04  Kaz Kojima  <kkojima@gcc.gnu.org>
9775         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
9776         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
9777         barrier.
9779 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
9780             Dorit Nuzman  <dorit@il.ibm.com>
9782         * gcc/config/spu/spu.md (vec_extract_evenv4si,
9783         vec_extract_evenv4sf, vec_extract_evenv8hi,
9784         vec_extract_evenv16qi, vec_extract_oddv4si,
9785         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
9786         vec_interleave_highv4sf, vec_interleave_lowv4sf,
9787         vec_interleave_highv4si, vec_interleave_lowv4si,
9788         vec_interleave_highv8hi, vec_interleave_lowv8hi,
9789         vec_interleave_highv16qi, vec_interleave_lowv16qi,
9790         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
9792 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
9794         PR target/36756
9795         * config/rs6000/rs6000.c (optimization_options): Don't default to
9796         section anchors without toplevel reorder.
9798 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9800         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
9801         (mfc_end_critical_section): Likewise.
9803 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9805         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
9806         all type qualifiers from element type to vector type.
9808 2008-08-25  David Daney  <ddaney@avtrex.com>
9810         * config/mips/mips.md (immediate_insn): Move up in file, fix
9811         comment typo, reformat.
9812         (fetchop_bit, atomic_hiqi_op memory_barrier,
9813         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
9814         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
9815         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
9816         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
9817         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
9818         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
9819         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
9820         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
9821         sync_old_nand<mode>, sync_new_nand<mode>,
9822         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
9823         test_and_set_12): Moved to sync.md.
9824         (sync.md): Include.
9825         * config/mips/sync.md: New file.
9827 2008-08-25  Richard Henderson  <rth@redhat.com>
9829         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
9830         (regsave): Likewise.
9831         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
9832         (output_cfi_directive): Likewise.
9833         (div_data_align): New.
9834         (output_cfi): Use it.
9836 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
9838         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
9839         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
9840         (TARGET_OCTEON): New macro.
9841         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
9842         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
9843         (ISA_HAS_POP): New macro.
9844         * config/mips/driver-native.c (host_detect_local_cpu): Handle
9845         Octeon.
9846         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
9847         Handle Octeon.
9848         * config/mips/mips.md (cpu): Add octeon.
9849         (type): Add pop attribute value.
9850         (popcount<mode>2): New pattern.
9851         * doc/invoke.texi (-march=@var{arch}): Add octeon.
9853 2008-08-24  Jan Hubicka  <jh@suse.cz>
9855         * doc/invoke.texi (-fipa-cp-clone): New option.
9856         (-fipa-cp): Update docs.
9857         (--param ipcp-unit-growth):New.
9858         * ipa-cp.c: Include fibheap.h, params.h
9859         (ipcp_initialize_node_lattices): When not cloning, all externally
9860         visible functions are bottom.
9861         (ipcp_need_redirect_p): Accept clones.
9862         (ipcp_insert_stage): Use cost driven heuristics.
9863         (max_count, dead_nodes): New static vars.
9864         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
9865         ipcp_const_param_count): New functions.
9866         * common.opt (ipa-cp-clone): New command line option.
9867         * params.def (ipcp-unit-growth): New.
9869 2008-08-24  Jan Hubicka  <jh@suse.cz>
9871         * tree-inline.c (tree_function_versioning): Look harder
9872         for referenced vars.
9874 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
9876         PR tree-optimization/37185
9877         * matrix-reorg.c (transform_access_sites): Update changed stmt.
9879 2008-08-23  Jan Hubicka  <jh@suse.cz>
9881         * ipa-cp.c (ipcp_analyze_node): New function.
9882         (ipcp_update_cloned_node): Use it.
9883         (ipcp_init_stage): Likewise.
9884         * ipa-inline.c (function_insertion_hook_holder): New static var.
9885         (analyze_function): Break out from ....
9886         (inline_generate_summary): Here; register insertion hook.
9887         (cgraph_decide_inlining): Remove hook.
9888         (add_new_function): New function.
9890 2008-08-23  Jan Hubicka  <jh@suse.cz>
9892         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
9894 2008-08-23  Jan Hubicka  <jh@suse.cz>
9896         * ipa-cp.c (constant_val_insert): Remove.
9897         (ipcp_propagate_one_const): Remove.
9898         (ipcp_create_replace_map): Always insert replacements to the map.
9899         (ipcp_insert_stage): Do not try to insert statements by hand.
9900         * tree-inline.c (insert_init_stmt): Break out from ...
9901         (setup_one_parameter): ... here; allow NULL BB pointer.
9902         (tree_function_versioning): Use setup_one_parameter to process
9903         replacement map.
9905 2008-08-23  Jan Hubicka  <jh@suse.cz>
9907         * tree.c (decl_address_ip_invariant_p): New function.
9908         * tree.h (decl_address_ip_invariant_p): Declare.
9909         * gimple.c (strip_invariant_refs): Break out from ...
9910         (is_gimple_invariant_address): ... here
9911         (is_gimple_ip_invariant_address): New function.
9912         (is_gimple_ip_invariant): New function.
9913         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
9914         Declare.
9916         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
9917         (ipcp_lat_is_insertable): All constants are insertable.
9918         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
9919         IPA_CONST_VALUE_REF.
9920         (ipcp_initialize_node_lattices): Propagate all types of operands.
9921         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
9922         (ipcp_create_replace_map): Reformat.
9923         (ipcp_need_redirect_p): Simplify.
9924         (ipcp_insert_stage): Check that argument is used before clonning.
9925         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle
9926         IPA_CONST_REF.
9927         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
9928         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
9929         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
9930         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
9931         (jump_func_type): Remove IPA_CONST_VALUE_REF.
9932         * tree-inline.c (tree_function_versioning): Add variables referenced
9933         by replacing trees.
9935 2008-08-23  Jan Hubicka  <jh@suse.cz>
9937         PR target/37094
9938         * i386.c (standard_80387_constant_p): Use optimize_size.
9940 2008-08-23  Ira Rosen  <irar@il.ibm.com>
9942         PR tree-optimization/37161
9943         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
9944         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
9945         (vect_determine_vectorization_factor): Move the scalar type
9946         retrieval to vect_get_smallest_scalar_type.
9947         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
9948         scalar type. Remove redundant computation.
9949         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
9950         (vect_get_slp_defs): Take the type of RHS into account if
9951         necessary by calling vect_get_smallest_scalar_type. Call
9952         vect_get_constant_vectors with additional argument.
9954 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9956         PR 35648
9957         * doc/invoke.texi (Wwrite-strings): Clarify description.
9959 2008-08-23  Ira Rosen  <irar@il.ibm.com>
9961         PR tree-optimization/37174
9962         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
9963         def stmt is a part of the loop before accessing its stmt_vec_info.
9965 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
9967         PR target/11259
9968         * config/avr/avr.md (UNSPEC_SWAP): New constants.
9969         (*swap): New insn pattern.
9970         (*ashlqi3): Rename from ashlqi3 insn pattern.
9971         (ashlqi3): New expanders.
9972         (*lshrqi3): Rename from lshrqi3 insn pattern.
9973         (lshrqi3): New expanders.
9974         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
9975         lshrqi3_const5, lshrqi3_const6): New splitters.
9976         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
9977         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
9978         peephole2 patterns.
9980 2008-08-22  Richard Guenther  <rguenther@suse.de>
9982         PR tree-optimization/37078
9983         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
9984         [+INF, +INF] ranges.
9986 2008-08-22  Richard Guenther  <rguenther@suse.de>
9988         PR tree-optimization/37143
9989         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
9990         a conversion statement instead of a copy.
9992 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
9994         PR target/37184
9995         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
9996         CCCmode, CCOmode and CCSmode destination modes.
9998         PR target/37191
9999         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
10000         from different units in a single alternative.
10001         (*vec_extractv2sf_1): Ditto.
10002         (*vec_extractv2si_0): Ditto.
10003         (*vec_extractv2si_1): Ditto.
10004         * config/i386/sse.md (sse2_storehpd): Ditto.
10005         (sse2_storelpd): Ditto.
10006         (sse2_loadhpd): Ditto.
10007         (sse2_loadlpd): Ditto.
10009         PR target/37197
10010         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
10011         (popcountsi2): Ditto.
10012         (clzdi2_abm): Ditto.
10013         (popcountdi2): Ditto.
10014         (clzhi2_abm): Ditto.
10015         (popcounthi2): Ditto.
10017 2008-08-22  Richard Guenther  <rguenther@suse.de>
10019         PR middle-end/36548
10020         PR middle-end/37125
10021         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
10022         if the multiplication does not overflow.
10024 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
10026         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
10028 2008-08-21  Richard Henderson  <rth@redhat.com>
10030         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
10031         spurrious comma from test.
10032         * configure: Rebuild.
10034 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10036         PR 30457
10037         * builtins.c (fold_builtin_next_arg): Add warning about undefined
10038         behaviour.
10040 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
10042         * c-tree.h (grokfield): New argument.
10043         * c-decl.c (grokfield): Handle new location argument.
10044         * c-parser.c (c_parser_struct_declaration): Pass location to grokfield.
10046 2008-08-21  Richard Guenther  <rguenther@suse.de>
10048         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
10050 2008-08-21  Jan Hubicka  <jh@suse.cz>
10052         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
10053         (cgraph_add_function_insertion_hook,
10054         cgraph_remove_function_insertion_hook,
10055         cgraph_call_function_insertion_hooks): New functions.
10056         * cgraph.h (cgraph_add_function_insertion_hook,
10057         cgraph_remove_function_insertion_hook,
10058         cgraph_call_function_insertion_hooks): Declare.
10059         * ipa-reference.c (function_insertion_hook_holder): New variable.
10060         (check_operand, look_for_address_of): When checking late, do not care
10061         about module bitmaps.
10062         (add_new_function): New function.
10063         (generate_summary): Register hooks; zero module bitmaps.
10064         (propagate): Unregister hooks.
10065         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
10066         (add_new_function): New function.
10067         (generate_summary): Register hook.
10068         (propagate): Remove hook.
10070         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
10072         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
10073         * ipa-cp.c (ipcp_update_cloned_node): New function.
10074         (build_const_val): Handle functions correctly; bring type logic
10075         into sync with tree-inline.c
10076         (ipcp_init_stage):  Take care of computing stuff needed by
10077         indirect inlining; update clones.
10078         (ipcp_generate_summary): Break out of ipcp_driver.
10079         (ipcp_driver): Do only execution and transformation.
10080         (pass_ipa_cp): Make IPA_PASS.
10081         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
10082         offset to address.
10083         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
10084         ipcp, some info is already available.
10085         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
10086         * tree-inline.c (remap_ssa_name): Unshare expression.
10088 2008-08-21  Richard Guenther  <rguenther@suse.de>
10090         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10091         a PHI ask VN if it is already available.
10092         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10093         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10095 2008-08-21  Richard Guenther  <rguenther@suse.de>
10097         PR middle-end/36817
10098         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
10099         makes sure to produce a result of the correct type.
10101 2008-08-21  Jan Hubicka  <jh@suse.cz>
10102         Backport from LTO branch:
10104         2008-05-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
10105                     Jan Hubicka  <jh@suse.cz>
10107         * ipa-pure-const.c
10108         (init_state, finish_state, set_function_state, generate_summary):
10109         New functions.
10110         (scan_stmt): Renamed from scan_function.  Changed to keep state in
10111         local static vars rather than cgraph aux field.
10112         (propagate): Renamed from static_execute. Changed to keep state in
10113         local static vars rather than cgraph aux field.
10114         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
10115         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
10117         2008-07-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10119         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
10120         * ipa-reference.c (init_function_info, generate_summary,
10121         propagate): New functions.
10122         (analyze_function):  Call init_function_info.
10123         (static_execute): Stripped into generate_summary and propagate.
10124         (pass_ipa_reference): Made into ipa_opt_pass.
10126 2008-08-21  Richard Guenther  <rguenther@suse.de>
10128         PR tree-optimization/37181
10129         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
10130         folding result.
10131         (extract_range_from_unary_expr): Likewise.
10133 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10135         * diagnostic.c (pedwarn_at): Rename as pedwarn.
10136         (pedwarn): Delete.
10137         * toplev.h (pedwarn_at): Likewise.
10138         * builtins.c: Update all calls to pedwarn.
10139         * c-lex.c: Likewise.
10140         * toplev.c: Likewise.
10141         * c-tree.h: Likewise.
10142         * c-decl.c: Likewise.
10143         * c-errors.c: Likewise.
10144         * c-typeck.c: Likewise.
10145         * c-common.c: Likewise.
10146         * c-parser.c: Likewise.
10148 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
10150         PR target/31070
10151         * config/sparc/sparc.c (function_arg_slotno): Handle structure
10152         with MODE_VECTOR_INT mode.
10154 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10156         PR middle-end/179
10157         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
10158         initialized outside the current module.
10159         (warn_uninitialized_var): Ignore left-hand side when walking the
10160         trees. Ignore address expressions. Examine VUSE operands in gimple
10161         statements with a variable declaration on the right-hand side.
10163 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
10165         PR bootstrap/37155
10166         * rtlanal.c (subreg_offset_representable_p): Revert last change.
10168 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10170         PR 35701
10171         * c-common.c (conversion_warning): Do not warn if applying bit-and
10172         operator to unsigned constant that fits in the target type.
10174 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10176         PR c++/35602
10177         * c-common.c (conversion_warning): Do not warn for artificial
10178         expressions.
10180 2008-08-20  Richard Guenther  <rguenther@suse.de>
10182         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
10183         (extract_range_from_binary_expr): Fall back to constant propagation.
10184         (extract_range_from_unary_expr): Likewise.
10186 2008-08-20  Richard Guenther  <rguenther@suse.de>
10188         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
10189         with TREE_THIS_VOLATILE on shared nodes.
10190         (fold_stmt_r): Likewise.
10192 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
10194         PR c/37171
10195         * c-parser.c (c_parser_attributes): For keywords use canonical
10196         spelling for attr_name.
10198 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10200         * value-prof.c (check_counter): Revert wrong call to error.
10202 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10204         * profile.c: Update calls to inform.
10205         * value-prof.c: Update calls to inform.
10207 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10209         * diagnostic.c (inform): Add an explicit location_t parameter.
10210         * toplev.h (inform): Update declaration.
10211         * builtins.c: Update all calls to inform.
10212         * c-common.c: Likewise.
10213         * c-decl.c: Likewise.
10214         * c-opts.c: Likewise.
10215         * c-pch.c: Likewise.
10216         * c-pragma.c: Likewise.
10217         * c-typeck.c: Likewise.
10218         * coverage.c: Likewise.
10219         * opts.c: Likewise.
10220         * toplev.c: Likewise.
10221         * tree-cfg.c: Likewise.
10222         * tree-ssa.c: Likewise.
10224 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
10226         PR target/37169
10227         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
10228         V2DI mode, for SSE4.1, use movq instead of vector set if the
10229         second element is zero and inter-unit moves are OK.
10231 2008-08-20  Richard Guenther  <rguenther@suse.de>
10233         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
10234         properly handle conversion/copy chains after tuplification.
10236 2008-08-20  Richard Guenther  <rguenther@suse.de>
10238         * passes.c (init_optimization_passes): Move the second
10239         forwprop pass before alias computation.  Remove the second
10240         DCE pass.  Remove the first dominator and phi copy/const
10241         prop passes.
10243 2008-08-20  Nick Clifton  <nickc@redhat.com>
10245         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
10246         support of this feature.  Do not assume that a sufficiently new
10247         assembler will support the feature regardless of the target type.
10248         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
10249         * configure: Regenerate.
10251 2008-08-20  Richard Guenther  <rguenther@suse.de>
10253         * tree-vrp.c (found_in_subgraph): Remove.
10254         (live): New global static.
10255         (live_on_edge): New function.
10256         (blocks_visited): Remove.
10257         (register_edge_assert_for_2): Use live_on_edge.
10258         (find_conditional_asserts): Remove code dealing with
10259         found_in_subgraph.  Do not walk the CFG.
10260         (find_switch_asserts): Likewise.
10261         (find_assert_locations_1): Renamed from find_assert_locations.
10262         Move finding assert locations for conditional and switch
10263         statements first.  Update live bitmap.  Do not walk the CFG.
10264         (find_assert_locations): New function.
10265         (insert_range_assertions): Remove entry of CFG walk.
10266         Adjust call to find_assert_locations.
10267         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
10268         that only can appear because of fake exit edges but assert we
10269         never try to insert on those.
10270         (fini_pre): Do not remove fake exit edges here...
10271         (execute_pre): ...but here, before committing edge inserts.
10273 2008-08-19  Richard Guenther  <rguenther@suse.de>
10275         * passes.c (init_optimization_passes): Exchange store-ccp
10276         with a ccp pass.
10278 2008-08-19  Rafael Espíndola  <espindola@google.com>
10280         * varasm.c (weak_decls): Move earlier in the file.
10281         (assemble_external): Add weak decls to the weak_decls list.
10282         (declare_weak): Don't add decls to the weak_decls list.
10284 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
10286         PR target/37157
10287         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
10288         before (sse2_shufpd_<mode>).
10290 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
10292         PR debug/37156
10293         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
10294         * tree.c (block_nonartificial_location): Likewise.
10296 2008-08-19  Richard Guenther  <rguenther@suse.de>
10298         PR tree-optimization/35972
10299         PR tree-optimization/23094
10300         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
10301         parameter.
10302         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
10303         handle MISALIGNED_INDIRECT_REF.
10304         (get_ref_from_reference_ops): New helper.
10305         (vn_reference_lookup_pieces): Walk the use-def chain using the
10306         alias-oracle if requested.
10307         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
10308         walking the use-def chain.
10309         (compute_avail): But not here.
10310         (create_component_ref_by_pieces_1): Properly handle
10311         MISALIGNED_INDIRECT_REF.
10312         (do_regular_insertion): Handle fully redundant
10313         expressions after PHI-translation also for SSA_NAME values, not
10314         only constants.  Correctly use edoubleprime for that.
10316 2008-08-19  Ira Rosen  <irar@il.ibm.com>
10318         * tree-vectorizer.c (supportable_widening_operation): Support
10319         multi-step conversion, return the number of steps in such conversion
10320         and the required intermediate types.
10321         (supportable_narrowing_operation): Likewise.
10322         * tree-vectorizer.h (vect_pow2): New function.
10323         (supportable_widening_operation): Change argument types.
10324         (supportable_narrowing_operation): Likewise.
10325         (vectorizable_type_promotion): Add an argument.
10326         (vectorizable_type_demotion): Likewise.
10327         * tree-vect-analyze.c (vect_analyze_operations): Call
10328         vectorizable_type_promotion and vectorizable_type_demotion with
10329         additional argument.
10330         (vect_get_and_check_slp_defs): Detect patterns.
10331         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
10332         types.
10333         (vect_analyze_slp_instance): Don't fail in case of multiple types.
10334         Call vect_build_slp_tree with correct arguments. Calculate unrolling
10335         factor according to the smallest type in the loop.
10336         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
10337         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
10338         supportable_widening_operation with correct arguments.
10339         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
10340         operands lists according to the number of vector statements in left
10341         or right node, if exists.
10342         (vect_gen_widened_results_half): Remove unused argument.
10343         (vectorizable_conversion): Call supportable_widening_operation,
10344         supportable_narrowing_operation, and vect_gen_widened_results_half
10345         with correct arguments.
10346         (vectorizable_assignment): Change documentation, support multiple
10347         types in SLP.
10348         (vectorizable_operation): Likewise.
10349         (vect_get_loop_based_defs): New function.
10350         (vect_create_vectorized_demotion_stmts): Likewise.
10351         (vectorizable_type_demotion): Support loop-aware SLP and general
10352         multi-step conversion. Call vect_get_loop_based_defs and
10353         vect_create_vectorized_demotion_stmts for transformation.
10354         (vect_create_vectorized_promotion_stmts): New function.
10355         (vectorizable_type_promotion): Support loop-aware SLP and general
10356         multi-step conversion. Call vect_create_vectorized_promotion_stmts
10357         for transformation.
10358         (vectorizable_store): Change documentation, support multiple
10359         types in SLP.
10360         (vectorizable_load): Likewise.
10361         (vect_transform_stmt): Pass SLP_NODE to
10362         vectorizable_type_promotion and vectorizable_type_demotion.
10363         (vect_schedule_slp_instance): Move here the calculation of number
10364         of vectorized statements for each node from...
10365         (vect_schedule_slp): ... here.
10366         (vect_transform_loop): Call vect_schedule_slp without the last
10367         argument.
10369 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
10371         PR bootstrap/37152
10372         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
10373         to == in assert statement.
10374         (vectorizable_reduction): Fix typo.
10376 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
10378         PR bootstrap/37153
10379         * value-prof.c (check_counter): Dereference pointer to overall
10380         count when printing it.
10382 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
10384         * profile.h: Really add it.
10386 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
10388         * mcf.c: Really add it.
10390 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
10391             Vinodha Ramasamy  <vinodha@google.com>
10393         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
10394         count_scale.
10395         * value-prof.c (check_counter): Fix the counter if
10396         flag_profile_correction is true.
10397         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
10398         tree_mod_subtract_transform):
10399         Follow check_counter parameter change.
10400         * common.opt (fprofile-correction): New option.
10401         * mcf.c: New file.
10402         * profile.h: Likewise.
10403         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
10404         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
10405         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
10406         functions.
10407         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
10408         flag_profile_correction is set.
10410 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
10412         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
10414 2008-08-18  Tomas Bily  <tbily@suse.cz>
10416         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
10417         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
10418         CONVERT_EXPR_P.
10419         * tree-data-ref.c (split_constant_offset_1): Likewise.
10420         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
10421         * tree-sra.c (sra_walk_expr): Likewise.
10422         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
10423         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
10424         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
10425         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
10426         Likewise.
10427         * gimple.c (gimple_assign_unary_nop_p): Likewise.
10428         * tree-vect-transform.c (vectorizable_type_demotion)
10429         (vectorizable_type_promotion): Likewise.
10430         * tree-inline.c (expand_call_inline):
10431         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
10432         (forward_propagate_addr_expr_1, forward_propagate_comparison)
10433         (tree_ssa_forward_propagate_single_use_vars): Likewise.
10434         * expr.c (expand_expr_real_1): Likewise.
10435         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
10436         (gimple_assign_unary_useless_conversion_p): Likewise.
10437         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
10438         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
10439         * fold-const.c (fold_unary): Likewise.
10440         * tree.h (CONVERT_EXPR_P): Likewise.
10441         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
10442         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
10443         * tree-vrp.c:
10444         (register_edge_assert_for_2, extract_range_from_unary_expr)
10445         (register_edge_assert_for_1): Likewise.
10447 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10449         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
10450         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
10451         (enum real_value_const): Delete.
10452         (get_real_const): Delete.
10453         * real.c (get_real_const): Delete.
10454         (dconst_e_ptr): Define.
10455         (dconst_third_ptr): Define.
10456         (dconst_sqrt2_ptr): Define.
10457         * builtins.c: Update all callers.
10459 2008-08-18  Richard Guenther  <rguenther@suse.de>
10461         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
10462         statement iterator after statement removal.
10464 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
10466         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
10467         (detect_processor_freebsd): Likewise.
10468         (host_detect_local_cpu): Call newly added functions for FreeBSD.
10470 2008-08-18  Richard Guenther  <rguenther@suse.de>
10472         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
10473         and loads have the correct types.
10475 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10477         PR cpp/7263
10478         * c-opts.c (cpp_opts): Remove static.
10479         * c-parser.c (cpp_opts): Declare it extern.
10480         (disable_extension_diagnostics): Handle cpp options.
10481         (enable_extension_diagnostics): Likewise.
10483 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10485         * diagnostics.c (permerror_at): Rename as permerror.
10486         (permerror): Delete.
10487         * toplev.h: Likewise.
10489 2008-08-18  Richard Guenther  <rguenther@suse.de>
10491         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
10492         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
10493         Move call_cdce before build_alias.  Move copyrename2,
10494         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
10495         right after final inlining.
10496         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
10497         (pass_build_cfg): But instead via TODO_dump_func.
10499 2008-08-18  Richard Guenther  <rguenther@suse.de>
10501         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
10502         element index.
10503         (scalarize_init): If we failed to generate some initializers
10504         do not generate zeros for not instantiated members.  Instead
10505         rely on the copy out.
10506         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
10507         about missing flow-sensitive alias info only if we have
10508         aliases computed.
10510 2008-08-17  Nick Clifton  <nickc@redhat.com>
10512         * doc/extend.texi (Function Attributes): Fix typo in description
10513         if hot function attribute.
10515 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
10516             Richard Sandiford  <rdsandiford@googlemail.com>
10518         * doc/install.texi (--with-mips-plt): Document.
10519         * doc/invoke.texi (-mplt, -mno-plt): Document.
10520         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
10521         and handle ${with_mips_plt}.
10522         * config/mips/mips.opt (mplt): New option.
10523         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
10524         (TARGET_ABICALLS_PIC2): Likewise.
10525         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
10526         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
10527         (ASM_SPEC): Use !mabi=* instead of !mabi*.
10528         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
10529         to decide whether to output ".option picX" directives.
10530         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
10531         Pass -call_nonpic rather than -KPIC for -mplt.
10532         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
10533         on the command line.  Also remove it when -mabi=64 is used without
10534         -msym32.
10535         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
10536         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
10537         TARGET_ABICALLS_PIC0.
10538         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
10539         TARGET_ABICALLS.
10540         (mips16_build_function_stub): Only output ".option pic" directives
10541         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
10542         (mips16_build_call_stub): Fix comment and remove redundant
10543         ".set at"/"set .noat" directives.
10544         (mips_function_rodata_section): Use the default behaviour for
10545         TARGET_ABSOLUTE_ABICALLS.
10546         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
10547         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
10548         (mips_restore_gp): Do nothing if the current function doesn't use
10549         a global pointer.
10550         (mips_expand_prologue): Only save $gp if the current function uses it.
10551         Use a normal move for TARGET_ABICALLS_PIC0.
10552         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
10554 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
10556         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
10557         of function when handling GLOBAL_POINTER_REGNUM.
10559 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
10561         PR ada/20548
10562         * common.opt (-fstack-check): Do not declare the variable here.
10563         (-fstack-check=): New option variant.
10564         * doc/invoke.texi (Code Gen Options): Document it.
10565         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
10566         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
10567         (STACK_CHECK_STATIC_BUILTIN): New macro.
10568         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
10569         * opts.c: Include expr.h.
10570         (common_handle_option) <OPT_fold_stack_check_>: New case.
10571         <OPT_fstack_check>: Likewise.
10572         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
10573         consistently in the test for variable-sized types.  Adjust for
10574         new behaviour of flag_stack_check.
10575         * explow.c: Include except.h.
10576         (allocate_dynamic_stack_space): Do not take into account
10577         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
10578         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
10579         for variable-sized parameters.  Treat all parameters whose size is
10580         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
10581         stack checking is enabled.
10582         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
10583         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
10584         if generic stack checking is enabled.
10585         (expand_function_end): Adjust for new behaviour of flag_stack_check.
10586         * reload1.c (reload): Likewise.
10587         * stmt.c (expand_decl): Assert that all automatic variables have
10588         fixed size at this point and remove dead code.
10589         * flags.h (stack_check_type): New enumeration type.
10590         (flag_stack_check): Declare.
10591         * toplev.c (flag_stack_check): New global variable.
10592         * Makefile.in (opts.o): Add dependency on EXPR_H.
10593         (explow.o): Add dependency on except.h.
10595 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
10597         * config/avr/avr.c (avr_override_options): Reduce value of
10598         PARAM_INLINE_CALL_COST.
10600 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
10602         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
10603         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
10604         lieu of TYPE_MODE (type) throughout.
10606 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
10608         * config/arm/arm.c (add_minipool_backward_ref): Check for
10609         8-byte-aligned entries in second case of forcing insertion after a
10610         particular entry.  Change third case to avoid inserting
10611         non-8-byte-aligned entries before 8-byte-aligned ones.
10613 2008-08-15  Richard Guenther  <rguenther@suse.de>
10615         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
10616         strip components for unknown size accesses.
10618 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
10620         * config/s390/2097.md New file.
10621         * config/s390/s390.md ("z10prop" attribute): Define none,
10622         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
10623         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
10624         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
10625         possible values and apply them to insns as appropriate.
10626         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
10627         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
10628         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
10629         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible values.
10630         ("bfp" mode attribute): Removed.  Every occurence replaced
10631         with <mode>.
10632         * config/s390/s390.c (struct "z10_cost"): Updated entries.
10633         * config/s390/2084.md (insn_reservation "x_itof"): Updated
10634         type attribute.
10636 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10638         PR c/28152
10639         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
10640         for keywords.
10642 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
10644         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
10645         additional argument. Support reduction when duplication is needed due
10646         to data-types of different sizes in the loop.
10647         (get_initial_def_for_induction): Fix printout.
10648         (vect_get_vec_def_for_stmt_copy): Support case where the
10649         vec_stmt_for_operand is a phi node.
10650         (vectorizable_reduction): Support reduction when duplication is needed
10651         due to data-types of different sizes in the loop.
10652         (vectorizable_call): Remove restriction to not vectorize in case we
10653         have data-types of different sizes in the loop.
10654         (vectorizable_conversion): Likewise.
10655         (vectorizable_operation): Likewise.
10656         (vectorizable_type_demotion): Likewise.
10657         (vectorizable_type_promotion): Likewise.
10658         (vectorizable_induction): Add restriction to not vectorize in case
10659         we have data-types of different sizes in the loop.
10661 2008-08-14  Christophe Saout  <christophe@saout.de>
10662             Uros Bizjak  <ubizjak@gmail.com>
10664         PR target/37101
10665         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
10666         (*vec_concatv2di_rex64_sse4_1): Ditto.
10667         (*vec_concatv2di_rex64_sse): Ditto.
10669 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
10671         PR middle-end/37103
10672         * fold-const.c (fold_widened_comparison): Do not allow
10673         sign changes that change the result even if shorter type
10674         is wider than arg1_unw's type.
10676 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
10678         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
10679         Skip if the multilib testing specifies -march that does not
10680         agree with the one specified in the testcase.
10682 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
10684         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
10685         zero extend SImode values being converted to TFmode before passing
10686         to libcalls.
10688 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10690         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
10691         __PPU__ when targeting the Cell/B.E. PPU processor.
10693 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
10695         * gimple.h (gimple_call_set_chain): Accept SSA variables.
10696         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
10697         Rematerialize the static chain, if any.
10698         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
10699         static chain.
10701 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
10703         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
10704         (new_loc_descr): Likewise.
10705         (add_loc_descr): Likewise.
10706         (size_of_loc_descr): Likewise.
10707         (size_of_locs): Likewise.
10708         (output_loc_operands): Likewise.
10709         (output_loc_sequence): Likewise.
10710         (new_reg_loc_descr): New.
10711         (build_cfa_loc): Use it.
10712         (build_cfa_aligned_loc): Likewise.
10713         (one_reg_loc_descriptor): Likewise.
10714         (based_loc_descr): Likewise.
10716 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10718         PR 30551
10719         * doc/invoke.texi (Wmain): Update.
10720         * c-decl.c (start_decl): warn_main is only 0 or 1.
10721         (start_function): Likewise. Fix formatting.
10722         (finish_function): Delete redundant warning.
10723         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
10724         * c-opts (c_common_handle_option): -Wall only has effect if
10725         warn_main is uninitialized. OPT_Wmain is automatically
10726         handled. -pedantic also enables Wmain.
10727         (c_common_post_options): Handle all logic for Wmain here.
10728         * c-common.c (warn_main): Delete.
10729         (check_main_parameter_types): Make pedwarns conditional on OPT_Wmain.
10730         * c-common.h (warn_main): Delete.
10732 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
10734         PR middle-end/36701
10735         * expr.c (emit_group_store): Allocate stack temp with the
10736         largest alignment when copying from register to stack.
10738 2008-08-13  Richard Guenther  <rguenther@suse.de>
10740         * tree.h (maybe_fold_offset_to_address): Declare.
10741         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
10742         (ccp_fold): Handle pointer conversions the same as fold_stmt.
10743         Likewise for POINTER_PLUS_EXPR.
10744         (maybe_fold_offset_to_reference): Enable disabled code.
10745         (maybe_fold_offset_to_address): New function.
10746         (fold_stmt_r): Use it.
10747         (fold_gimple_assign): Likewise.
10748         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
10749         (gimplify_expr): Likewise.
10751 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10753         * toplev.h (pedwarn_at): Fix declaration.
10755 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
10757         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
10758         LINK_SPEC): Use %R in -Y P argument.
10760 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10762         PR c/15236
10763         * diagnostic.c (pedwarn_at): New.
10764         * toplev.h (pedwarn_at): Declare.
10765         * c-tree.h (build_enumerator): Update declaration.
10766         * c-decl.c (finish_enum): Update comment.
10767         (build_enumerator): Take a location parameter. Give a pedwarn but do
10768         not perform any conversion.
10769         * c-parser.c (c_parser_enum_specifier): Set correct location for
10770         enumerator.
10772 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10774         PR 35635
10775         * c-common.c (conversion_warning): Use a switch. Ignore boolean
10776         expressions except for conversions to signed:1 bitfields. Handle
10777         COND_EXPR with constant operands.
10779 2008-08-13  Richard Guenther  <rguenther@suse.de>
10781         PR tree-optimization/15255
10782         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
10783         (struct oecount_s): New struct and VEC types.
10784         (cvec): New global.
10785         (oecount_hash): New function.
10786         (oecount_eq): Likewise.
10787         (oecount_cmp): Likewise.
10788         (zero_one_operation): New function.
10789         (build_and_add_sum): Likewise.
10790         (undistribute_ops_list): Perform un-distribution of multiplication
10791         and division on the chain of summands.
10792         (should_break_up_subtract): Also break up subtracts for factors.
10793         (reassociate_bb): Delete dead visited statements.
10794         Call undistribute_ops_list.  Re-sort and optimize if it did something.
10795         * passes.c (init_optimization_passes): Move DSE before
10796         reassociation.
10797         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
10798         PHI nodes.
10800 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
10802         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
10804         * doc/invoke.texi: Revert unintended checkin.
10806 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
10808         PR libgomp/26165
10809         * gcc.c (include_spec_function): Tweak call to find_a_file.
10811 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
10813         PR middle-end/37014
10814         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
10815         and TRUTH_ORIF_EXPR.
10816         * dojump.c (do_jump): Likewise.
10818         PR tree-optimization/37084
10819         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
10820         if id->regimplify, don't assume stmt is a cast assignment.
10822 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
10824         * final.c (final_scan_insn): Use app_enable/app_disable functions.
10826 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10828         PR bootstrap/37097
10829         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
10830         by last change.
10832 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10834         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
10835         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
10837         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
10838         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
10839         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
10840         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
10841         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
10843         * doc/tm.texi (Storage Layout): Remove documentation for
10844         TARGET_FLOAT_FORMAT.
10846         * simplify-rtx.c (simplify_binary_operation_1): Replace
10847         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
10849 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10851         * real.h (struct real_format): New member has_sign_dependent_rounding.
10852         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
10853         spu_single_format, ieee_double_format, mips_double_format,
10854         motorola_double_format, ieee_extended_motorola_format,
10855         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
10856         ieee_extended_intel_96_round_53_format, ibm_extended_format,
10857         mips_extended_format, ieee_quad_format, mips_quad_format,
10858         vax_f_format, vax_d_format, vax_g_format): Initialize it.
10859         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
10861         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
10862         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
10863         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
10864         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
10865         (ROUND_TOWARDS_ZERO): Likewise.
10867         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
10868         (FLOAT_MODE_FORMAT): New macro.
10869         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
10870         (MODE_COMPOSITE_P): ... this new macro.
10871         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
10872         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
10873         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
10875         * flags.h: Include "real.h".
10877         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
10878         REAL_MODE_FORMAT_COMPOSITE_P.
10879         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
10881         * doc/tm.texi (Storage Layout): Remove documentation of
10882         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
10883         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
10884         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
10885         they only apply to libgcc2.a.
10887 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10889         * config/spu/float_disf.c: New file.
10890         * config/spu/float_unsdisf.c: New file.
10891         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
10892         (LIB2FUNCS_EXCLUDE): Define.
10894 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10895             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10897         * real.h (struct real_format): New member round_towards_zero.
10898         * real.c (round_for_format): Respect fmt->round_towards_zero.
10899         (ieee_single_format, mips_single_format, motorola_single_format,
10900         spu_single_format, ieee_double_format, mips_double_format,
10901         motorola_double_format, ieee_extended_motorola_format,
10902         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
10903         ieee_extended_intel_96_round_53_format, ibm_extended_format,
10904         mips_extended_format, ieee_quad_format, mips_quad_format,
10905         vax_f_format, vax_d_format, vax_g_format): Initialize it.
10906         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
10908         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
10909         real_format to choose rounding mode when calling MPFR functions.
10910         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
10911         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
10913         * real.h (real_to_decimal_for_mode): Add prototype.
10914         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
10915         Respect target rounding mode when generating decimal representation.
10916         (real_to_decimal): New stub for backwards compatibility.
10917         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
10918         real_to_decimal_for_mode instead of real_to_decimal.
10920         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
10922 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10923             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10925         * real.c (spu_single_format): New variable.
10926         * real.h (spu_single_format): Declare.
10928         * config/spu/spu.c (spu_override_options): Install SFmode format.
10929         (spu_split_immediate): Use integer mode to operate on pieces of
10930         floating-point values in all cases.
10932         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
10933         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
10934         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
10936 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10938         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
10940 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10942         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
10944 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
10946         PR c++/36688
10947         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
10948         on the VAR_DECL instead of TYPE_READONLY on its type.
10950 2008-08-12  Ira Rosen  <irar@il.ibm.com>
10952         * tree-vectorizer.c: Depend on langhooks.h.
10953         (supportable_widening_operation): Add two arguments. Support double
10954         type conversions.
10955         (supportable_narrowing_operation): Likewise.
10956         * tree-vectorizer.h (supportable_widening_operation): Add two
10957         arguments.
10958         (supportable_narrowing_operation): Likewise.
10959         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
10960         supportable_widening_operation with correct arguments.
10961         * tree-vect-transform.c (vectorizable_conversion): Likewise.
10962         (vectorizable_type_demotion): Support double type conversions.
10963         (vectorizable_type_promotion): Likewise.
10964         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
10966 2008-08-11  Michael Matz  <matz@suse.de>
10968         * i386/i386.c (override_options): Move initialisation from
10969         flag_schedule_insns_after_reload to here from ...
10970         (optimization_options): ... here.
10972 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
10974         PR rtl-optimization/36998
10975         * dwarf2out.c (compute_barrier_args_size_1,
10976         compute_barrier_args_size): Temporarily remove assertions.
10978 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10980         PR middle-end/20644
10981         * tree-ssa.c (struct walk_data): Add new flag
10982         warn_possibly_uninitialized.
10983         (warn_uninitialized_var): Use it.
10984         (warn_uninitialized_vars): New.
10985         (execute_early_warn_uninitialized): Call it.
10986         (execute_late_warn_uninitialized): Likewise.
10988 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10990         PR middle-end/36238
10991         * reload1.c (gen_reload): Guard calls to get_secondary_mem
10992         for memory subregs.
10994 2008-08-09  Jan Hubicka  <jh@suse.cz>
10996         PR target/37055
10997         * optabs.c (maybe_emit_unop_insn): Remove produced code if
10998         expansion failed.
10999         (expand_fix): Be prepared for expansion to fail.
11000         (expand_sfix_optab): Remove instructions if expansion failed.
11002 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
11004         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
11005         avr31 architecture.
11006         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
11007         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11009 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11011         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
11012         mips/t-libgcc-mips16 to tmake_file.
11013         * config/mips/mips-protos.h (mips_call_type): New enum.
11014         (mips_pic_base_register, mips_got_load): Declare.
11015         (mips_restore_gp): Take an rtx argument.
11016         (mips_use_pic_fn_addr_reg_p): Declare.
11017         (mips_expand_call): Replace the sibcall_p argument with
11018         a mips_call_type argument.  Add a lazy_p parameter.
11019         (mips_split_call): Declare.
11020         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
11021         (MIPS16_PIC_TEMP): Likewise.
11022         (reg_class): Delete M16_NA_REGS.
11023         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
11024         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
11025         (mips_split_hi_p): Declare.
11026         * config/mips/mips.c (mips_split_hi_p): New array.
11027         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
11028         (mips_got_symbol_type_p): New function.
11029         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
11030         (mips16_stub_function_p): New function.
11031         (mips16_local_function_p): Likewise.
11032         (mips_use_pic_fn_addr_reg_p): Likewise.
11033         (mips_cannot_force_const_mem): Return false for HIGHs.
11034         Extend CONST_INT and symbolic handling to MIPS16, using
11035         mips_symbol_insns to check that the base symbol type is a
11036         legitimate constant.  Reject GOT-based constants if
11037         TARGET_MIPS16_PCREL_LOADS.
11038         (mips_const_insns): Check targetm.cannot_force_const_mem when
11039         decomposing a symbolic base and a large offset.
11040         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
11041         When calling a function that needs $25 from MIPS16 code,
11042         move the target address into $25 separately and add a USE
11043         to the call insn.
11044         (mips16_gp_pseudo_reg): Insert the initializer immediately
11045         before the first real insn.
11046         (mips_pic_base_register, mips_got_load): New functions.
11047         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
11048         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
11049         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
11050         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
11051         (mips_call_tls_get_addr): Update the call to mips_expand_call,
11052         also passing NULL_RTX rather than const0_rtx as the aux argument.
11053         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
11054         instead of TARGET_EXPLICIT_RELOCS.
11055         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
11056         (mips_load_call_address): Replace the sibcall_p argument with
11057         a mips_call_type argument.  Use mips_got_load.
11058         (mips16_local_alias): New structure.
11059         (mips16_local_aliases): New variable.
11060         (mips16_local_aliases_hash): New function.
11061         (mips16_local_aliases_eq): Likewise.
11062         (mips16_local_alias): Likewise.
11063         (mips16_stub_function): Likewise.
11064         (mips16_build_function_stub): Create a local alias for the target
11065         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
11066         .cpload directive and an R_MIPS_NONE relocation for the target
11067         function, then load the alias rather than the function itself.
11068         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
11069         (mips16_copy_fpr_return_value): Use mips16_stub_function and
11070         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
11071         (mips16_build_call_stub): Replace the FN parameter with an
11072         FN_PTR parameter.  Force the address into a register if it
11073         isn't a call_insn_operand; don't rely on the caller to do this.
11074         If a call to a locally-defined and locally-binding MIPS16
11075         function must be made indirectly, redirect the call to the
11076         function's local alias.  Use mips16_stub_function_p,
11077         mips16_stub_function, mips_expand_call and use_reg.
11078         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
11079         Use explicit %hi and %lo accesses where possible.
11080         Use MIPS_CALL to generate the correct code form of a
11081         jal instruction.  Add clobbers of $18 instead of uses.
11082         Update the call to mips_emit_call_insn.
11083         (mips_expand_call): Replace the SIBCALL_P argument with a
11084         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
11085         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
11086         allowing it to modify the call address.  Update the calls to
11087         mips_load_call_address and mips_emit_call_insn.
11088         (mips_split_call): New function.
11089         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
11090         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
11091         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
11092         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
11093         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
11094         if TARGET_MIPS16.
11095         (mips_cprestore_slot): New function.
11096         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
11097         and use mips_cprestore_slot.
11098         (mips_output_function_prologue): Handle TARGET_MIPS16 for
11099         LOADGP_OLDABI.
11100         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
11101         then use a copygp_mips16 instruction to set up $28.
11102         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
11103         (mips16_lay_out_constants): Call split_all_insns_noflow.
11104         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
11105         false if TARGET_MIPS16.
11106         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
11107         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
11108         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
11109         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
11110         MIPS16 code.  Allow MIPS16 o32 PIC.
11111         (mips_override_options): Allow MIPS16 o32 PIC.
11112         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
11113         after reload if TARGET_USE_GOT.
11114         (UNSPEC_COPYGP): New constant.
11115         (length): Use a default length of 8 for MIPS16 GOT loads.
11116         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
11117         (*got_page<mode>): Check mips_split_hi_p.
11118         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
11119         (unspec_got<mode>, unspec_call<mode>): New expanders.
11120         (load_got<mode>, load_call<mode>): Remove the length attributes.
11121         Use a got attribute instead of a type attribute.
11122         (copygp_mips16): New insn.
11123         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
11124         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
11125         (sibcall, sibcall_value, call, call_value): Update the calls
11126         to mips_expand_call.
11127         (call_internal, call_value_internal): Use mips_split_call.
11128         (call_value_multiple_internal): Likewise.
11129         (call_split): Move after call_internal (the insn it is split from).
11130         (call_internal_direct, call_value_internal_direct): Turn into
11131         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
11132         (call_direct_split, call_value_direct_split): New patterns.
11133         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
11134         and use M16_REGS instead of M16_NA_REGS.
11135         * config/mips/predicates.md (const_call_insn_operand): Replace
11136         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
11137         mips_use_pic_fn_addr_reg_p check.
11138         (move_operand): Reject HIGHs if mips_split_hi_p.
11139         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
11140         (__mips16_floatunsisf): Inline __mips16_floatsisf.
11141         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
11142         * config/mips/libgcc-mips16.ver: New file.
11143         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
11144         $(srcdir)/config/mips/libgcc-mips16.ver.
11146 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11148         * config/mips/mips.c (mips_unspec_address_offset): Move earlier
11149         in file.
11150         (mips_unspec_address, mips_unspec_offset_high): Likewise.
11151         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
11152         (mips16_cfun_returns_in_fpr_p): Likewise.
11154 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11156         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
11157         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
11158         rather than 4 to PC.
11160 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11162         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
11163         (FUNCTION_PROFILER): Save the static chain pointer into $2
11164         beforehand and restore it aftewards.
11165         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
11166         address directly into $25 and call the function through $25;
11167         do not clobber $3.  Pad the DImode version to cover the space
11168         left by the deleted $25 <- $3 move.
11169         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
11170         the removal of the $25 <- $3 move.
11171         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
11172         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
11174 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11175             Daniel Jacobowitz  <dan@codesourcery.com>
11177         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
11178         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
11179         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
11180         * config/mips/mips.c (mips_start_function_definition): New function.
11181         (mips_end_function_definition): Likewise.
11182         (mips_output_function_prologue): Use mips_start_function_definition.
11183         (mips_output_function_epilogue): Use mips_end_function_definition.
11184         (build_mips16_function_stub): Use mips_start_function_definition
11185         and mips_end_function_definition.
11186         (build_mips16_call_stub): Likewise.
11188 2008-08-09  Richard Guenther  <rguenther@suse.de>
11190         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
11191         * gimple.h (gimple_call_fn): Adjust comment.
11192         (gimple_call_set_fndecl): New function.
11193         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
11194         longer having bare FUNCTION_DECL operand.
11195         (gimple_call_return_type): Likewise.
11196         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
11198         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
11199         (gimple_mod_pow2): Likewise.
11200         (gimple_mod_subtract): Likewise.
11201         (gimple_ic): Likewise.
11202         (gimple_stringop_fixed_value): Likewise.
11203         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
11204         longer having bare FUNCTION_DECL operand.
11205         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
11206         * omp-low.c (optimize_omp_library_calls): Likewise.
11207         * cgraphunit.c (update_call_expr): Likewise.
11208         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
11209         (execute_convert_to_rsqrt): Likewise.
11210         * cfgexpand.c (gimple_to_tree): Simplify.
11211         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
11212         bare FUNCTION_DECL operand.
11213         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
11214         (convert_gimple_call): Use gimple_call_fndecl.
11215         * c-common.c (c_warn_unused_result): Likewise.
11217 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11219         PR c/17880
11220         * c-typeck.c (digest_init): Call verify_sequence_points from here.
11221         (c_finish_return): Likewise.
11222         (c_start_case): Likewise.
11223         * c-common.c (warn_for_collisions_1): Use explicit location in warning.
11224         * c-parser.c (c_parser_condition): New. Call
11225         verify_sequence_points.
11226         (c_parser_paren_condition): Call c_parser_condition.
11227         (c_parser_for_statement): Call c_parser_condition.
11229 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11231         PR 36901
11232         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
11233         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
11234         Moved from diagnostic.h
11235         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
11236         DK_PERMERROR.
11237         (emit_diagnostic): New.
11238         (warning0, pedwarn0): Delete.
11239         (warning, warning_at, pedwarn, permerror): Return bool.
11240         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
11241         Moved to diagnostic.c.
11242         (struct diagnostic_context): Use correct type for
11243         classify_diagnostic.
11244         (diagnostic_report_diagnostic): Update declaration.
11245         (emit_diagnostic): Declare.
11246         * errors.c (warning): Return bool.
11247         * errors.h (warning): Update declaration.
11248         * toplev.h (warning0, pedwarn0): Delete.
11249         (warning, warning_at, pedwarn, permerror): Return bool.
11250         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
11251         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
11252         inform. Update all calls.
11253         (diagnose_mismatched_decls): Check return value of warning/pedwarn
11254         before giving informative note.
11255         (implicit_decl_warning): Likewise.
11256         * c-typeck.c (build_function_call): Likewise.
11257         * tree-sssa.c (warn_uninit): Likewise.
11258         * builtins.c (gimplify_va_arg_expr): Likewise.
11260 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11262         PR 7651
11263         * doc/invoke.texi (-Wextra): Move warning from here...
11264         (-Wuninitialized): ... to here.
11266 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11268         PR 28875
11269         * flags.h (set_Wunused): Delete
11270         * toplev.c (process_options): Handle Wunused flags here.
11271         * opts.c (maybe_warn_unused_parameter): Delete.
11272         (common_handle_option): Replace set_Wunused by warn_unused.
11273         (set_Wextra): Do not handle Wunused-parameter here.
11274         (set_Wunused): Delete.
11275         * c-opts.c (c_common_handle_option): Replace set_Wunused by
11276         warn_unused.
11277         * common.opt (Wunused): Add Var and Init.
11278         (Wunused-function): Likewise.
11279         (Wunused-label): Likewise.
11280         (Wunused-parameter): Likewise.
11281         (Wunused-value): Likewise.
11282         (Wunused-variable): Likewise.
11284 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
11286         * doc/invoke.texi: Add cpu_type power7.
11287         * config.in (HAVE_AS_VSX): New.
11288         * config.gcc: Add cpu_type power7.
11289         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
11290         VSX instructions.
11291         * configure: Regenerate.
11292         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
11293         power5.
11294         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
11295         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
11296         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
11298 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
11300         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
11301         type to vectorize.builtin_conversion.
11302         (vectorizable_conversion): Likewise.
11303         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
11304         integral type as input.
11305         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
11306         FIX_TRUNC_EXPR.
11307         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
11308         and ALTIVEC_BUILTIN_VCTSXS.
11309         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
11310         formatting.
11312 2008-08-08  Richard Guenther  <rguenther@suse.de>
11314         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
11315         (surely_varying_stmt_p): Calls are varying only if they are
11316         non-builtin and not indirect or have no result.
11317         (ccp_fold): Re-instantiate code before the tuples merge.
11319 2008-08-08  Richard Guenther  <rguenther@suse.de>
11321         PR tree-optimization/37056
11322         * gimple.h (gimple_assign_rhs_class): New helper function.
11323         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
11324         unary operations properly.
11326 2008-08-07  Jan Hubicka  <jh@suse.cz>
11328         * i386.h (ix86_size_cost): Declare.
11329         (ix86_cur_cost): New function macro.
11330         * i386.md (peepholes expanding size and splitters): Predicate by
11331         optimize_insn_for_speed_p.
11332         (peepholes reduce size and splitters): Predicate by
11333         optimize_insn_for_size_p.
11334         * i386.c (ix86_size_cost): Rename from ...
11335         (size_cost): This one.
11336         (override_options): Update.
11337         (decide_alg): Likewise.
11338         (ix86_expand_clear): Use RTL profile.
11339         (ix86_pad_returns): Use RTL profile.
11341 2008-08-07  Jan Hubicka  <jh@suse.cz>
11343         * recog.c (split_all_insns): Set RTL profile
11344         (peephole2_optimize): Likewise.
11345         * function.c (thread_prologue_and_epilogue_insns): Likewise.
11346         * combine.c (combine_instructions): Likewise.
11348 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11350         * c-common.c (c_common_reswords): Also warn about keyword "bool".
11352 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
11354         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
11355         value in a6 after the set_frame_ptr insn.
11357 2008-08-07  Richard Henderson  <rth@redhat.com>
11359         PR debug/37033
11360         * gcc.c (cpp_options): Pass along -g*.
11362 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
11364         * config/arm/arm.c (output_move_neon): Update comment describing
11365         big-endian vector layout.
11366         (arm_assemble_integer): Do not handle big-endian NEON vectors
11367         specially.
11368         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
11369         neon_vget_lane<mode>_sext_internal,
11370         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
11371         element indices for big-endian.
11373 2008-08-07  Richard Henderson  <rth@redhat.com>
11375         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
11376         * configure, config.in: Rebuild.
11377         * debug.h (dwarf2out_do_cfi_asm): Declare.
11378         * c-cppbuiltin.c (c_cpp_builtins): Use it.
11379         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
11380         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
11381         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
11383 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
11385         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
11386         movv2si_internal): Combine into mov<mode>_internal.
11387         (movv2si_internal_2): Remove.
11389 2008-08-07  Jan Hubicka  <jh@suse.cz>
11391         PR target/37048
11392         * i386.md (single stringop patterns): Enable unconditionally.
11394 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
11396         PR target/36992
11397         * config/i386/emmintrin.h (_mm_move_epi64): Use __builtin_ia32_movq128.
11399         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
11400         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
11402         * config/i386/sse.md (sse2_movq128): New.
11404         * doc/extend.texi: Document __builtin_ia32_movq128.
11406 2008-08-07  Richard Guenther  <rguenther@suse.de>
11408         PR middle-end/37042
11409         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
11410         pointers can access anything.
11412 2008-08-06  Jan Hubicka  <jh@suse.cz>
11414         * optabs.c (emit_unop_insn): Break out to ...
11415         (maybe_emit_unop_insn): ... this one.
11416         (expand_sfix_optab): Use maybe variant.
11417         * optabs.h (maybe_emit_unop_insn): Declare.
11419         * i386.md (mov0 patterns): Enable by default.
11420         (FP conversion expanders): Disable expansion of code expanding
11421         sequences when instruction should be optimized for size.
11422         (single strinop patterns): Enable when optimizing for size.
11423         (string expanders): Disable expanding of code expanding sequences
11424         when optimizning instruction for size.
11425         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
11426         per BB basis.
11427         (ix86_fp_comparison_sahf_cost): Likewise.
11428         (ix86_expand_branch): Likewise.
11429         (ix86_expand_ashl_const): Likewise.
11430         (ix86_split_ashl): Likewise.
11431         (ix86_expand_strlen): Likewise.
11432         (ix86_emit_fp_unordered_jump): Likewie.
11434 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11436         * c-common.c: Fix typo.
11437         (c_common_reswords): Activate more C++ keyword warnings.
11439         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
11441 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11443         PR 26785
11444         * diagnostic.c (permerror_at): New.
11445         * toplev.h (permerror_at): Declare.
11447 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
11448             Ira Rosen  <irar@il.ibm.com>
11450         * tree-vect-transform.c (vect_model_simple_cost): Return
11451         immediately if stmt is pure SLP.
11452         (vect_model_store_cost): Ditto.
11453         (vect_model_load_cost): Ditto.
11454         (vectorizable_store): Remove PURE_SLP check before call
11455         to vect_model_store_cost.
11456         (vect_model_store_cost): When checking whether stmt describe
11457         strided access, add a check that it is not slp_node.
11459 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11461         PR 8715
11462         * c-common.c (warn_for_sign_compare): New. Handle separately the
11463         case that 'constant' is zero.
11464         * c-typeck.c (build_binary_op): Move code to c-common.c
11466 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11468         * config/alpha/alpha.c (alpha_preferred_reload_class,
11469         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
11470         alpha_output_mi_thunk_osf): Avoid C++ keywords.
11471         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
11472         * config/arm/arm.md: Likewise.
11473         * config/avr/avr-protos.h (preferred_reload_class,
11474         test_hard_reg_class, avr_simplify_comparison_p,
11475         out_shift_with_cnt, class_max_nregs): Likewise.
11476         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
11477         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
11478         preferred_reload_class, test_hard_reg_class): Likewise.
11479         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
11480         bfin_memory_move_cost, bfin_secondary_reload,
11481         bfin_output_mi_thunk): Likewise.
11482         * config/crx/crx.c (crx_secondary_reload_class,
11483         crx_memory_move_cost): Likewise.
11484         * config/frv/frv-protos.h (frv_secondary_reload_class,
11485         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
11486         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
11487         frv_secondary_reload_class, frv_class_likely_spilled_p,
11488         frv_class_max_nregs): Likewise.
11489         * config/h8300/h8300.c (h8300_classify_operand,
11490         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
11491         Likewise.
11492         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
11493         * config/ia64/ia64.c (ia64_preferred_reload_class,
11494         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
11495         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
11496         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
11497         Likewise.
11498         * config/m68hc11/m68hc11.c (preferred_reload_class,
11499         m68hc11_memory_move_cost): Likewise.
11500         * config/mcore/mcore.c (mcore_secondary_reload_class,
11501         mcore_reload_class): Likewise.
11502         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
11503         mips_class_max_nregs, mips_cannot_change_mode_class,
11504         mips_preferred_reload_class, mips_secondary_reload_class,
11505         mips_output_mi_thunk): Likewise.
11506         * config/mmix/mmix.c (mmix_preferred_reload_class,
11507         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
11508         Likewise.
11509         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
11510         Likewise.
11511         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
11512         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
11513         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11514         * config/rs6000/rs6000.c (paired_expand_vector_init,
11515         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
11516         compare_section_name, rs6000_memory_move_cost): Likewise.
11517         * config/s390/s390.c (s390_emit_compare_and_swap,
11518         s390_preferred_reload_class, s390_secondary_reload,
11519         legitimize_pic_address, legitimize_tls_address,
11520         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
11521         s390_class_max_nregs): Likewise.
11522         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11523         * config/s390/s390.md: Likewise.
11524         * config/score/score-protos.h (score_secondary_reload_class,
11525         score_preferred_reload_class): Likewise.
11526         * config/score/score.c (score_preferred_reload_class,
11527         score_secondary_reload_class): Likewise.
11528         * config/score/score3.c (score3_output_mi_thunk,
11529         score3_preferred_reload_class, score3_secondary_reload_class,
11530         score3_hard_regno_mode_ok): Likewise.
11531         * config/score/score3.h (score3_preferred_reload_class,
11532         score3_secondary_reload_class): Likewise.
11533         * config/score/score7.c (score7_output_mi_thunk,
11534         score7_preferred_reload_class, score7_secondary_reload_class,
11535         score7_hard_regno_mode_ok): Likewise.
11536         * config/score/score7.h (score7_preferred_reload_class,
11537         score7_secondary_reload_class): Likewise.
11538         * config/sh/sh.c (prepare_move_operands, output_far_jump,
11539         output_branchy_insn, add_constant, gen_block_redirect,
11540         sh_insn_length_adjustment, sh_cannot_change_mode_class,
11541         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload): Likewise.
11542         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
11543         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
11544         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
11545         xstormy16_preferred_reload_class): Likewise.
11546         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
11547         xtensa_expand_atomic, override_options,
11548         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
11549         Likewise.
11550         * reorg.c (try_merge_delay_insns): Likewise.
11551         * tree.c (merge_dllimport_decl_attributes): Likewise.
11553         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
11555 2008-08-06  Michael Matz  <matz@suse.de>
11557         * Makefile.in (write_entries_to_file): Quote words.
11558         * gengtype.c (read_input_line): Skip over leading white-space.
11560 2008-08-06  Marc Gauthier  <marc@tensilica.com>
11562         * config.gcc: Match more processor names for Xtensa.
11563         * configure.ac: Likewise.
11564         * doc/install.texi (Specific): Likewise.
11565         * configure: Regenerate.
11567 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11569         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
11570         * calls.c (avoid_likely_spilled_reg): Likewise.
11571         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
11572         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
11573         * config/i386/i386.c (ix86_expand_special_args_builtin,
11574         ix86_secondary_reload): Likewise.
11575         * except.c (struct eh_region, gen_eh_region_catch,
11576         remove_unreachable_regions, duplicate_eh_regions,
11577         assign_filter_values, build_post_landing_pads,
11578         sjlj_find_directly_reachable_regions, remove_eh_handler,
11579         reachable_next_level, foreach_reachable_handler,
11580         can_throw_internal_1, can_throw_external_1,
11581         collect_one_action_chain): Likewise.
11582         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
11583         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
11584         * function.c (update_temp_slot_address, instantiate_new_reg,
11585         instantiate_virtual_regs_in_rtx,
11586         instantiate_virtual_regs_in_insn): Likewise.
11587         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
11588         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
11589         gimplify_cleanup_point_expr): Likewise.
11590         * ipa-cp.c (ipcp_lattice_changed): Likewise.
11591         * passes.c (next_pass_1): Likewise.
11592         * print-tree.c (print_node_brief, print_node): Likewise.
11593         * profile.c (branch_prob): Likewise.
11594         * tree-dump.c (dump_register): Likewise.
11595         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
11596         Likewise.
11597         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
11598         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
11599         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
11600         copy_arguments_for_versioning, copy_static_chain): Likewise.
11601         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
11602         add_new_name_mapping, register_new_name_mapping): Likewise.
11603         * tree-mudflap.c (mf_xform_derefs): Likewise.
11604         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
11605         get_init_expr, combine_chains): Likewise.
11606         * tree-pretty-print.c (dump_generic_node): Likewise.
11607         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
11608         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
11609         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
11610         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
11612 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
11614         PR middle-end/37010
11615         * calls.c (expand_call): Use the biggest preferred stack
11616         boundary.
11618 2008-08-06  Michael Matz  <matz@suse.de>
11620         PR target/36613
11621         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
11622         for reused reload, instead of overwriting them.
11624 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
11626         PR middle-end/37009
11627         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
11628         for incoming stack boundary.
11630         * function.c (assign_parm_find_entry_rtl): Update
11631         parm_stack_boundary.
11633         * function.h (rtl_data): Add parm_stack_boundary.
11635         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
11636         parm_stack_boundary for incoming stack boundary.
11638 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
11640         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
11641         for unrepresentable subregs or treat them as equal to other regs
11642         or subregs with the same register number.
11644 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
11646         PR middle-end/35432
11647         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
11648         if want_value.
11650 2008-08-06  Jan Hubicka  <jh@suse.cz>
11652         * predict.c (maybe_hot_frequency_p): When profile is absent, all
11653         frequencies might be hot.
11655 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
11657         * reload.c (find_reloads): Force constants into literal pool
11658         also if they are wrapped in a SUBREG.
11660 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
11662         PR target/35659
11663         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
11664         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
11665         Don't allow predicated instructions for data speculation.
11666         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
11667         declaration.
11669 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
11671         * haifa-sched.c (extend_global): Split to extend_global_data and
11672         extend_region_data.  Update all uses.
11673         (extend_all): Rename to extend_block_data.
11675 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
11677         * sched-rgn.c (new_ready): Check if instruction can be
11678         speculatively scheduled before attempting speculation.
11679         (debug_rgn_dependencies): Remove wrongful assert.
11681 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
11683         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
11685 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
11687         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
11688         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
11689         va_size, and type_size.
11691 2008-08-04  Jason Merrill  <jason@redhat.com>
11693         PR c++/37016
11694         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
11695         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
11697 2008-08-05  Richard Henderson  <rth@redhat.com>
11699         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
11700         * configure: Rebuild.
11702 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11704         PR tree-opt/37024
11705         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
11706         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
11707         is a conversion.
11709 2008-08-05  Richard Henderson  <rth@redhat.com>
11711         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
11712         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
11713         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
11714         * common.opt (fdwarf2-cfi-asm): New.
11715         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
11716         * config.in, configure: Rebuild.
11717         * dwarf2asm.c (dw2_asm_output_data_raw): New.
11718         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw):
11719         New.
11720         (dw2_force_const_mem): Externalize.
11721         * dwarf2asm.h: Update.
11722         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
11723         generate a real label.
11724         (output_cfi_directive): New.
11725         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
11726         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
11727         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
11728         and .cfi_lsda.
11729         (dwarf2out_end_epilogue): Emit .cfi_endproc.
11730         (output_loc_operands_raw, output_loc_sequence_raw): New.
11731         (output_cfa_loc_raw): New.
11733 2008-08-05  Paul Brook  <paul@codesourcery.com>
11735         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
11736         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
11737         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
11738         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
11739         * config/arm/arm.h (TARGET_VFPD32): Define.
11740         (TARGET_VFP3): Use TARGET_VFPD32.
11741         (fputype): Add FPUTYPE_VFP3D16.
11742         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
11743         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
11744         * config/arm/arm-cores.def: Add cortex-r4f.
11745         * config/arm/arm-tune.md: Regenerate.
11747 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11749         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
11750         Reword some comments throughout the file.
11752         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
11753         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
11754         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of
11755         MFC_MIN_DMA_LIST_ELEMENTS.
11756         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of
11757         MFC_MAX_DMA_LIST_ELEMENTS.
11759         (MFC_START_ENABLE): Remove PPU-only define.
11760         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
11761         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
11763         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
11764         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
11765         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
11766         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
11767         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
11768         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
11769         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
11771         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
11772         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
11773         (mfc_sdcrt, mfc_sdcrtst): Likewise.
11774         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
11776         (spu_read_machine_status): Fix typo.
11778 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11780         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
11781         SUBREG of multi-word hard register.
11782         * config/spu/spu.c (valid_subreg): Likewise.
11783         (adjust_operand): Handle SUBREGs of multi-word hard registers.
11785 2008-08-04  Richard Guenther  <rguenther@suse.de>
11787         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
11788         the candidate with the stripped base if that base is different
11789         from the original base even for offset zero.
11791 2008-08-04  Richard Guenther  <rguenther@suse.de>
11793         PR middle-end/36691
11794         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
11795         check for no_overflow.
11797 2008-08-04  Richard Guenther  <rguenther@suse.de>
11799         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
11801 2008-08-04  Paul Brook  <paul@codesourcery.com>
11803         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
11804         (arm_order_regs_for_local_alloc): New function.
11805         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
11806         prototype.
11807         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
11809 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
11811         PR target/37012
11812         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
11813         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
11814         (ix86_expand_epilogue): Likewise.
11816 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
11818         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
11819         in comments.
11821 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
11823         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
11824         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
11825         (*movv2sf_internal_rex64): Ditto.
11827 2008-08-03  Jan Hubicka  <jh@suse.cz>
11829         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
11830         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
11831         * expmed.c (expand_smod_pow2): Likewise.
11833 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
11835         PR target/36992
11836         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
11837         alternative 0 of operand 1.
11838         (*vec_concatv2di_rex64_sse): Ditto.
11839         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
11840         of operand 1.
11841         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
11842         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
11843         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
11844         (*movv2sf_internal_rex64): Ditto.
11846 2008-08-02  Richard Guenther  <rguenther@suse.de>
11848         PR target/35252
11849         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
11850         (ssedoublesizemode): New mode attribute.
11851         (sse_shufps): Call gen_sse_shufps_v4sf.
11852         (sse_shufps_1): Macroize.
11853         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
11854         (sse2_shufpd_1): Macroize.
11855         (vec_extract_odd, vec_extract_even): New expanders.
11856         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
11857         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
11858         * i386.c (ix86_expand_vector_init_one_nonzero): Call
11859         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
11860         (ix86_expand_vector_set): Likewise.
11861         (ix86_expand_reduc_v4sf): Likewise.
11863 2008-08-01  Doug Kwan  <dougkwan@google.com>
11865         * matrix-reorg.c: Re-enable all code.
11866         (struct malloc_call_data): Change CALL_STMT to gimple type.
11867         (collect_data_for_malloc_call): Tuplify.
11868         (struct access_site_info): Change STMT to gimple type.
11869         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
11870         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
11871         (struct free_info): Change STMT to gimple type.
11872         (struct matrix_access_phi_node):  Change PHI to gimple type.
11873         (get_inner_of_cast_expr): Remove.
11874         (may_flatten_matrices_1): Tuplify.
11875         (may_flatten_matrices): Ditto.
11876         (mark_min_matrix_escape_level): Ditto.
11877         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
11878         (ssa_accessed_in_call_rhs): New
11879         (ssa_accessed_in_assign_rhs): New
11880         (record_access_alloc_site_info): Tuplify.
11881         (add_allocation_site): Ditto.
11882         (analyze_matrix_allocation_site): Ditto.
11883         (analyze_transpose): Ditto.
11884         (get_index_from_offset): Ditto.
11885         (update_type_size): Ditto.
11886         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
11887         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
11888         (analyze_accesses_for_phi_node): Tuplify.
11889         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
11890         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
11891         (analyze_matrix_accesses): Tuplify.
11892         (check_var_data): New call-back type for check_var_notmodified_p.
11893         (check_var_notmodified_p): Tuplify and use call-back struct to
11894         return statement found.
11895         (can_calculate_expr_before_stmt): Factor out statement related code
11896         into ...
11897         (can_calculate_stmt_before_stmt): New.
11898         (check_allocation_function): Tuplify.
11899         (find_sites_in_func): Ditto.
11900         (record_all_accesses_in_func): Ditto.
11901         (transform_access_sites): Ditto.
11902         (transform_allocation_sites): Ditto.
11903         (matrix_reorg): Re-enable.
11904         (gate_matrix_reorg): Re-enable.
11906 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
11908         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
11909         for labels for which it hasn't been set yet.  If it has been set,
11910         stop walking insns and continue with next worklist item.
11911         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
11912         if the only BARRIER is at the very end of a function.
11914 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
11916         * cfgexpand.c (expand_stack_alignment): Assert that
11917         stack_realign_drap and drap_rtx must match.
11919         * function.c (instantiate_new_reg): If DRAP is used to realign
11920         stack, replace virtual_incoming_args_rtx with internal arg
11921         pointer.
11923 2008-08-01  Richard Guenther  <rguenther@suse.de>
11925         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
11926         loop information only if we initialized it.
11927         (execute_pre): Call fini_pre with in_fre.
11928         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
11929         if we do not unroll because we hit max-completely-peeled-insns.
11930         Use our estimation for consistency, do allow shrinking.
11932 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
11934         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
11935         with MIN_STACK_BOUNDARY.
11936         (ix86_update_stack_boundary): Likewise.
11937         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
11938         STACK_BOUNDARY.
11940         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
11941         (MIN_STACK_BOUNDARY): This.
11943 2008-08-01  Richard Guenther  <rguenther@suse.de>
11945         PR middle-end/36997
11946         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
11948 2008-08-01  Richard Guenther  <rguenther@suse.de>
11950         PR tree-optimization/36988
11951         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
11952         do not matter if that doesn't change volatile qualification.
11954 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
11956         * configure.ac: Do not generate libada-mk.  Do not subst
11957         host_cc_for_libada.
11958         * libada-mk.in: Remove.
11959         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
11960         * configure: Regenerate.
11962 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
11964         * tree-pass.h: Added comment about not dumping passes with name
11965         starting with star in struct opt_pass.
11966         * passes.c (register_dump_files_1): Don't do dump for a pass with
11967         name starting with star.
11968         * doc/passes.texi (Pass manager): Mention pass names and special
11969         meaning of star prefix to avoid dump.
11971 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
11973         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
11974         to MIPS64r2.
11975         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
11976         (ISA_MIPS64R2): New macro.
11977         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
11978         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
11979         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
11980         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
11981         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
11982         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
11983         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
11984         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
11985         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
11986         Move up to keep list alphabetically sorted.
11987         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
11988         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
11989         processor.
11990         * doc/invoke.texi (MIPS Options): Add -mips64r2.
11991         (-march=@var{arch}): Add mips64r2.
11993 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
11995         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
11997 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
11999         * expr.c (expand_assignment): Check for complete type.
12001 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
12003         PR debug/36977
12004         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
12006         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
12007         for stack alignment.
12009         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
12011 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
12013         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
12014         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
12016 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
12018         PR rtl-optimization/36419
12019         * dwarf2out.c (barrier_args_size): New variable.
12020         (compute_barrier_args_size, compute_barrier_args_size_1): New
12021         functions.
12022         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
12023         if not called yet in the current function, use barrier_args_size
12024         array to find the new args_size value.
12025         (dwarf2out_frame_debug): Free and clear barrier_args_size.
12027 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
12029         PR debug/36980
12030         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
12031         rule 19.
12033 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
12035         PR debug/36976
12036         * dwarf2out.c (dwarf2out_args_size_adjust): New.
12037         (dwarf2out_stack_adjust): Use it.
12038         (dwarf2out_frame_debug_expr): Likewise.
12040 2008-07-31  Richard Guenther  <rguenther@suse.de>
12042         PR tree-optimization/36978
12043         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
12044         the generated condition.
12046 2008-07-31  Richard Guenther  <rguenther@suse.de>
12048         * passes.c (init_optimization_passes): Always call
12049         pass_early_warn_uninitialized.
12050         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
12051         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
12052         * doc/passes.texi (Warn for uninitialized variables): Adjust.
12054 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
12056         PR c/36970
12057         * builtins.c (maybe_emit_free_warning): New function.
12058         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
12059         maybe_emit_free_warning for BUILT_IN_FREE.
12061         PR debug/36278
12062         * dwarf2out.c (get_context_die): New function.
12063         (force_decl_die, force_type_die): Use it.
12064         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
12065         returns NULL, force generation of DW_TAG_typedef and put that into
12066         DW_AT_import.
12068         PR preprocessor/36649
12069         * c-pch.c (c_common_read_pch): Save and restore
12070         line_table->trace_includes across PCH restore.
12072 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
12074         PR ada/36554
12075         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
12077 2008-07-30  Rafael Ávila de Espíndola  <espindola@google.com>
12079         PR 36974
12080         * final.c (call_from_call_insn): Handle COND_EXEC.
12082 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
12084         * builtins.c (std_gimplify_va_arg_expr): Replace
12085         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
12086         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
12088 2008-07-30  Joey Ye  <joey.ye@intel.com>
12089             H.J. Lu  <hongjiu.lu@intel.com>
12091         * builtins.c (expand_builtin_setjmp_receiver): Replace
12092         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
12093         (expand_builtin_apply_args_1): Likewise.
12094         (expand_builtin_longjmp): Need DRAP for stack alignment.
12095         (expand_builtin_apply): Likewise.
12097         * caller-save.c (setup_save_areas): Call assign_stack_local_1
12098         instead of assign_stack_local to allow alignment reduction.
12100         * calls.c (emit_call_1): Need DRAP for stack alignment if
12101         return pops.
12102         (expand_call): Replace virtual_incoming_args_rtx with
12103         crtl->args.internal_arg_pointer.
12104         * stmt.c (expand_nl_goto_receiver): Likewise.
12106         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
12107         alignment and store to stack_alignment_estimated and
12108         max_used_stack_slot_alignment.
12109         (expand_one_var): Likewise.
12110         (expand_stack_alignment): New function.
12111         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
12112         and stack_alignment_estimated fields in rtl_data.  Call
12113         expand_stack_alignment at end.
12115         * defaults.h (INCOMING_STACK_BOUNDARY): New.
12116         (MAX_STACK_ALIGNMENT): Likewise.
12117         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
12118         (SUPPORTS_STACK_ALIGNMENT): Likewise.
12120         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
12121         stack alignment when generating virtual registers.
12123         * function.c (assign_stack_local): Renamed to ...
12124         (assign_stack_local_1): This.  Add a parameter to indicate
12125         if it is OK to reduce alignment.
12126         (assign_stack_local): Use it.
12127         (instantiate_new_reg): Instantiate virtual incoming args rtx
12128         to vDRAP if stack realignment and DRAP is needed.
12129         (assign_parms): Collect parameter/return type alignment and
12130         contribute to stack_alignment_estimated.
12131         (locate_and_pad_parm): Likewise.
12132         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
12133         with crtl->args.internal_arg_pointer.
12135         * function.h (rtl_data): Add new field drap_reg,
12136         max_used_stack_slot_alignment, stack_alignment_estimated,
12137         stack_realign_needed, need_drap, stack_realign_processed and
12138         stack_realign_finalized.
12139         (stack_realign_fp): New macro.
12140         (stack_realign_drap): Likewise.
12142         * global.c (compute_regsets): Frame pointer is needed when
12143         stack is realigned.  Can eliminate frame pointer when stack is
12144         realigned and dynamic realigned argument pointer isn't used.
12146         * reload1.c (update_eliminables):  Frame pointer is needed
12147         when stack is realigned.
12148         (init_elim_table): Can eliminate frame pointer when stack is
12149         realigned and dynamic realigned argument pointer isn't used.
12151         * rtl.h (assign_stack_local_1): Declare new funtion.
12153         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
12154         (TARGET_GET_DRAP_RTX): Likewise.
12155         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
12156         TARGET_GET_DRAP_RTX.
12158         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
12160         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
12161         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
12163 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
12164             H.J. Lu  <hongjiu.lu@intel.com>
12166         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
12167         vdrap_reg, stack_realign and drap_reg_saved.
12168         (add_cfi): Don't allow redefining CFA when DRAP is used.
12169         (reg_save): Handle stack alignment.
12170         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
12171         alignment.  Don't generate DWARF information for (set fp sp)
12172         when DRAP is used.
12173         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
12174         to INVALID_REGNUM.
12175         (int_loc_descriptor): Move prototype forward.  Also define if
12176         DWARF2_UNWIND_INFO is true.
12177         (output_cfa_loc): Handle DW_CFA_expression.
12178         (build_cfa_aligned_loc): New.
12179         (based_loc_descr): Update assert for stack realign.  For local
12180         variables, use sp+offset when stack is aligned without drap and
12181         fp+offset when stack is aligned with drap.  For arguments, use
12182         cfa+offset when drap is used to align stack.
12184 2008-07-30  Joey Ye  <joey.ye@intel.com>
12185             H.J. Lu  <hongjiu.lu@intel.com>
12187         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
12188         Break long line.
12189         (ix86_gen_andsp): New.
12190         (ix86_user_incoming_stack_boundary): Likewise.
12191         (ix86_default_incoming_stack_boundary): Likewise.
12192         (ix86_incoming_stack_boundary): Likewise.
12193         (ix86_can_eliminate): Likewise.
12194         (find_drap_reg): Likewise.
12195         (ix86_update_stack_boundary): Likewise.
12196         (ix86_get_drap_rtx): Likewise.
12197         (ix86_finalize_stack_realign_flags): Likewise.
12198         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
12199         (TARGET_GET_DRAP_RTX): Likewise.
12200         (override_options): Overide option value for new options.
12201         (ix86_function_ok_for_sibcall): Remove check for
12202         force_align_arg_pointer.
12203         (ix86_handle_cconv_attribute): Likewise.
12204         (ix86_function_regparm): Likewise.
12205         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
12206         (ix86_va_start): Replace virtual_incoming_args_rtx with
12207         crtl->args.internal_arg_pointer.
12208         (ix86_select_alt_pic_regnum): Check DRAP register.
12209         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
12210         (ix86_compute_frame_layout): Compute frame layout wrt stack
12211         realignment.
12212         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
12213         (ix86_expand_prologue): Decide if stack realignment is needed
12214         and generate prologue code accordingly.
12215         (ix86_expand_epilogue): Generate epilogue code wrt stack
12216         realignment is really needed or not.
12218         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
12219         (ABI_STACK_BOUNDARY): Likewise.
12220         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
12221         (STACK_REALIGN_DEFAULT): Likewise.
12222         (INCOMING_STACK_BOUNDARY): Likewise.
12223         (MAX_STACK_ALIGNMENT): Likewise.
12224         (ix86_incoming_stack_boundary): Likewise.
12225         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
12226         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
12227         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
12228         (machine_function): Remove force_align_arg_pointer.
12230         * config/i386/i386.md (BX_REG): New.
12231         (R13_REG): Likewise.
12233         * config/i386/i386.opt (mforce_drap): New.
12234         (mincoming-stack-boundary): Likewise.
12235         (mstackrealign): Add Init(-1).
12237         * config/i386/i386-protos.h (ix86_can_eliminate): New
12239 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
12241         * doc/extend.texi: Update force_align_arg_pointer.
12243         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
12244         -mstackrealign.
12246         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
12247         (INCOMING_STACK_BOUNDARY): Likewise.
12248         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
12249         (TARGET_GET_DRAP_RTX): Likewise.
12251 2008-07-30  Andreas Schwab  <schwab@suse.de>
12253         PR rtl-optimization/36929
12254         * dse.c (replace_inc_dec): Use emit_insn_before instead of
12255         add_insn_before and fix argument order.
12256         (replace_inc_dec_mem): Handle NULL rtx.
12258 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
12260         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
12261         function.
12262         (arm_compute_initial_elimination_offset): Use it.
12263         (arm_compute_save_reg_mask): Include static chain save slot when
12264         calculating alignment.
12265         (arm_get_frame_offsets): Ditto.
12266         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
12267         that we can use to decrement the stack when the stack decrement
12268         could be too big for an immediate value in a single insn.
12269         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
12271 2008-07-30  Richard Guenther  <rguenther@suse.de>
12273         PR tree-optimization/36967
12274         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
12275         Release defs of statements we remove.
12277 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
12279         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
12280         instead of NULL_RTVEC.
12282 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
12284         PR target/35866
12286         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
12287         vector modes.
12289 2008-07-30  Rafael Ávila de Espíndola  <espindola@google.com>
12291         * final.c (call_from_call_insn): New.
12292         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
12294 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
12296         * configure.ac: Substitute ADA_CFLAGS.
12297         * configure: Regenerate.
12298         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
12299         * Makefile.in: Remove mention of X_* variables.
12300         * config/pa/x-ada-hpux10: Remove.
12301         * config/pa/x-ada: Remove.
12303         * doc/fragments.texi: Update.
12305 2008-07-30  Olivier Hainque  <hainque@adacore.com>
12307         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
12308         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
12309         __dso_handle explicitly here.
12311 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12313         PR 34389
12314         * c-typeck.c (build_binary_op): Encapsulate code into...
12315         * c-common.c (shorten_binary_op): ...this new function.
12316         (conversion_warning): Use the new function. Handle non-negative
12317         constant in bitwise-and.
12318         * c-common.h (shorten_binary_op): Declare.
12320 2008-07-30  Olivier Hainque  <hainque@adacore.com>
12322         * scan.c (make_sstring_space): Add explicit conversions of
12323         allocator's return value.
12324         * fix-header.c (recognized_function): Likewise.
12326 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12328         * doc/cpp.texi: Update to GFDL 1.2.
12329         * doc/gcc.texi: Do not list GPL as Invariant Section.
12330         * doc/gccint.texi: Likewise.  Update copyright years.
12331         * doc/install.texi: Update copyright years.
12333 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
12335         PR target/36955
12336         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
12337         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
12339 2008-07-29  Jan Hubicka  <jh@suse.cz>
12341         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
12342         (grokdeclarator): Likewise.
12343         * langhooks.c (lhd_warn_unused_global_decl): Use
12344         DECL_DECLARED_INLINE_P.
12345         * print-tree.c (print_node): Remove DECL_INLINE check.
12347 2008-07-29  Richard Guenther  <rguenther@suse.de>
12349         PR tree-optimization/36945
12350         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
12351         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
12352         Record invariant addresses un-decomposed.
12353         (copy_reference_ops_from_call): Record reference call
12354         arguments properly.  Simplify.
12355         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
12356         helper split out from ...
12357         (create_component_ref_by_pieces): ... here.  Simplify.
12358         Prepare for recursive invocation for call arguments.
12359         (create_expression_by_pieces): Adjust call to
12360         create_component_ref_by_pieces.
12361         (compute_avail): Process operand 2 of reference ops.
12363 2008-07-29  Richard Guenther  <rguenther@suse.de>
12365         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
12367 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
12369         * c-format.c (check_format_types): Revert unwanted checkin.
12371 2008-07-29  Jan Hubicka  <jh@suse.cz>
12373         * flags.h (flag_really_no_inline): Remove.
12374         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
12375         * toplev.c (flag_really_no_inline): Remove.
12376         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
12377         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
12378         (cgraph_decide_inlining_incrementally): Likewise.
12379         (compute_inline_parameters): Likewise.
12380         * opts.c (decode_options): Simplify.
12381         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
12382         * common.opt (finline): Initialize to 1.
12383         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
12385 2008-07-29  Jan Hubicka  <jh@suse.cz>
12387         * predict.c (always_optimize_for_size_p): New function.
12388         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
12389         optimize_edge_for_size_p, optimize_edge_for_speed_p,
12390         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
12391         functions.
12392         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
12393         * function.c (prepare_function_start): Set default profile.
12394         * function.h (rtl_data): Add maybe_hot_insn_p.
12395         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
12396         (construct_exit_block): Likewise.
12397         (tree_expand_cfg): Likewise.
12398         * basic-block.h
12399         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
12400         optimize_edge_for_size_p, optimize_edge_for_speed_p,
12401         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
12402         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
12403         Declare.
12405 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12407         PR 34985
12408         * c-decl.c (merge_decls): Merge USED flags.
12410 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
12412         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
12413         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
12414         next_stack, lab_false and lab_over trees.
12416 2008-07-28  Richard Guenther  <rguenther@suse.de>
12418         PR tree-optimization/36957
12419         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
12420         (useless_type_conversion_p): Remove.
12421         (types_compatible_p): Remove.
12422         * gimple.h (tree_ssa_useless_type_conversion): Declare.
12423         (useless_type_conversion_p): Declare.
12424         (types_compatible_p): Declare.
12425         (gimple_expr_type): Return the base type only if it is
12426         trivially convertible to the subtype.
12428 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
12430         * configure.ac: Use the m4_do macro to concatenate the warnings into
12431         one string in ACX_PROG_CC_WARNING_OPTS,
12432         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and
12433         ACX_PROG_CC_WARNINGS_ARE_ERRORS.
12434         * configure: Regenerate.
12436 2008-07-28  Richard Guenther  <rguenther@suse.de>
12438         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
12439         (insert_fake_stores): Remove.
12440         (realify_fake_stores): Likewise.
12441         (execute_pre): Remove dead code.
12442         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
12443         (find_func_aliases): Deal with it here instead.
12444         Re-enable gcc_unreachable call.
12446 2008-07-28  Richard Guenther  <rguenther@suse.de>
12448         Merge from gimple-tuples-branch.
12450         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
12451         * gimple.def: New file.
12452         * gsstruct.def: Likewise.
12453         * gimple-iterator.c: Likewise.
12454         * gimple-pretty-print.c: Likewise.
12455         * tree-gimple.c: Removed.  Merged into ...
12456         * gimple.c: ... here.  New file.
12457         * tree-gimple.h: Removed.  Merged into ...
12458         * gimple.h: ... here.  New file.
12460         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
12461         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
12462         --enable-checking=gimple flag.
12463         * config.in: Likewise.
12464         * configure: Regenerated.
12466         * tree-ssa-operands.h: Tuplified.
12467         * tree-vrp.c: Likewise.
12468         * tree-loop-linear.c: Likewise.
12469         * tree-into-ssa.c: Likewise.
12470         * tree-ssa-loop-im.c: Likewise.
12471         * tree-dump.c: Likewise.
12472         * tree-complex.c: Likewise.
12473         * cgraphbuild.c: Likewise.
12474         * tree-ssa-threadupdate.c: Likewise.
12475         * tree-ssa-loop-niter.c: Likewise.
12476         * tree-pretty-print.c: Likewise.
12477         * tracer.c: Likewise.
12478         * gengtype.c: Likewise.
12479         * tree-loop-distribution.c: Likewise.
12480         * tree-ssa-loop-unswitch.c: Likewise.
12481         * cgraph.c: Likewise.
12482         * cgraph.h: Likewise.
12483         * tree-ssa-loop-manip.c: Likewise.
12484         * value-prof.c: Likewise.
12485         * tree-ssa-loop-ch.c: Likewise.
12486         * tree-tailcall.c: Likewise.
12487         * value-prof.h: Likewise.
12488         * tree.c: Likewise.
12489         * tree.h: Likewise.
12490         * tree-pass.h: Likewise.
12491         * ipa-cp.c: Likewise.
12492         * tree-scalar-evolution.c: Likewise.
12493         * tree-scalar-evolution.h: Likewise.
12494         * target.h: Likewise.
12495         * lambda-mat.c: Likewise.
12496         * tree-phinodes.c: Likewise.
12497         * diagnostic.h: Likewise.
12498         * builtins.c: Likewise.
12499         * tree-ssa-alias-warnings.c: Likewise.
12500         * cfghooks.c: Likewise.
12501         * fold-const.c: Likewise.
12502         * cfghooks.h: Likewise.
12503         * omp-low.c: Likewise.
12504         * tree-ssa-dse.c: Likewise.
12505         * ipa-reference.c: Likewise.
12506         * tree-ssa-uncprop.c: Likewise.
12507         * toplev.c: Likewise.
12508         * tree-gimple.c: Likewise.
12509         * tree-gimple.h: Likewise.
12510         * tree-chrec.c: Likewise.
12511         * tree-chrec.h: Likewise.
12512         * tree-ssa-sccvn.c: Likewise.
12513         * tree-ssa-sccvn.h: Likewise.
12514         * cgraphunit.c: Likewise.
12515         * tree-ssa-copyrename.c: Likewise.
12516         * tree-ssa-ccp.c: Likewise.
12517         * tree-ssa-loop-ivopts.c: Likewise.
12518         * tree-nomudflap.c: Likewise.
12519         * tree-call-cdce.c: Likewise.
12520         * ipa-pure-const.c: Likewise.
12521         * c-format.c: Likewise.
12522         * tree-stdarg.c: Likewise.
12523         * tree-ssa-math-opts.c: Likewise.
12524         * tree-ssa-dom.c: Likewise.
12525         * tree-nrv.c: Likewise.
12526         * tree-ssa-propagate.c: Likewise.
12527         * ipa-utils.c: Likewise.
12528         * tree-ssa-propagate.h: Likewise.
12529         * tree-ssa-alias.c: Likewise.
12530         * gimple-low.c: Likewise.
12531         * tree-ssa-sink.c: Likewise.
12532         * ipa-inline.c: Likewise.
12533         * c-semantics.c: Likewise.
12534         * dwarf2out.c: Likewise.
12535         * expr.c: Likewise.
12536         * tree-ssa-loop-ivcanon.c: Likewise.
12537         * predict.c: Likewise.
12538         * tree-ssa-loop.c: Likewise.
12539         * tree-parloops.c: Likewise.
12540         * tree-ssa-address.c: Likewise.
12541         * tree-ssa-ifcombine.c: Likewise.
12542         * matrix-reorg.c: Likewise.
12543         * c-decl.c: Likewise.
12544         * tree-eh.c: Likewise.
12545         * c-pretty-print.c: Likewise.
12546         * lambda-trans.c: Likewise.
12547         * function.c: Likewise.
12548         * langhooks.c: Likewise.
12549         * ebitmap.h: Likewise.
12550         * tree-vectorizer.c: Likewise.
12551         * function.h: Likewise.
12552         * langhooks.h: Likewise.
12553         * tree-vectorizer.h: Likewise.
12554         * ipa-type-escape.c: Likewise.
12555         * ipa-type-escape.h: Likewise.
12556         * domwalk.c: Likewise.
12557         * tree-if-conv.c: Likewise.
12558         * profile.c: Likewise.
12559         * domwalk.h: Likewise.
12560         * tree-data-ref.c: Likewise.
12561         * tree-data-ref.h: Likewise.
12562         * tree-flow-inline.h: Likewise.
12563         * tree-affine.c: Likewise.
12564         * tree-vect-analyze.c: Likewise.
12565         * c-typeck.c: Likewise.
12566         * gimplify.c: Likewise.
12567         * coretypes.h: Likewise.
12568         * tree-ssa-phiopt.c: Likewise.
12569         * calls.c: Likewise.
12570         * tree-ssa-coalesce.c: Likewise.
12571         * tree.def: Likewise.
12572         * tree-dfa.c: Likewise.
12573         * except.c: Likewise.
12574         * except.h: Likewise.
12575         * cfgexpand.c: Likewise.
12576         * tree-cfgcleanup.c: Likewise.
12577         * tree-ssa-pre.c: Likewise.
12578         * tree-ssa-live.c: Likewise.
12579         * tree-sra.c: Likewise.
12580         * tree-ssa-live.h: Likewise.
12581         * tree-predcom.c: Likewise.
12582         * lambda.h: Likewise.
12583         * tree-mudflap.c: Likewise.
12584         * ipa-prop.c: Likewise.
12585         * print-tree.c: Likewise.
12586         * tree-ssa-copy.c: Likewise.
12587         * ipa-prop.h: Likewise.
12588         * tree-ssa-forwprop.c: Likewise.
12589         * ggc-page.c: Likewise.
12590         * c-omp.c: Likewise.
12591         * tree-ssa-dce.c: Likewise.
12592         * tree-vect-patterns.c: Likewise.
12593         * tree-ssa-ter.c: Likewise.
12594         * tree-nested.c: Likewise.
12595         * tree-ssa.c: Likewise.
12596         * lambda-code.c: Likewise.
12597         * tree-ssa-loop-prefetch.c: Likewise.
12598         * tree-inline.c: Likewise.
12599         * tree-inline.h: Likewise.
12600         * tree-iterator.c: Likewise.
12601         * tree-optimize.c: Likewise.
12602         * tree-ssa-phiprop.c: Likewise.
12603         * tree-vect-transform.c: Likewise.
12604         * tree-object-size.c: Likewise.
12605         * tree-outof-ssa.c: Likewise.
12606         * cfgloop.c: Likewise.
12607         * system.h: Likewise.
12608         * tree-profile.c: Likewise.
12609         * cfgloop.h: Likewise.
12610         * c-gimplify.c: Likewise.
12611         * c-common.c: Likewise.
12612         * tree-vect-generic.c: Likewise.
12613         * tree-flow.h: Likewise.
12614         * c-common.h: Likewise.
12615         * basic-block.h: Likewise.
12616         * tree-ssa-structalias.c: Likewise.
12617         * tree-switch-conversion.c: Likewise.
12618         * tree-ssa-structalias.h: Likewise.
12619         * tree-cfg.c: Likewise.
12620         * passes.c: Likewise.
12621         * ipa-struct-reorg.c: Likewise.
12622         * ipa-struct-reorg.h: Likewise.
12623         * tree-ssa-reassoc.c: Likewise.
12624         * cfgrtl.c: Likewise.
12625         * varpool.c: Likewise.
12626         * stmt.c: Likewise.
12627         * tree-ssanames.c: Likewise.
12628         * tree-ssa-threadedge.c: Likewise.
12629         * langhooks-def.h: Likewise.
12630         * tree-ssa-operands.c: Likewise.
12631         * config/alpha/alpha.c: Likewise.
12632         * config/frv/frv.c: Likewise.
12633         * config/s390/s390.c: Likewise.
12634         * config/m32c/m32c.c: Likewise.
12635         * config/m32c/m32c-protos.h: Likewise.
12636         * config/spu/spu.c: Likewise.
12637         * config/sparc/sparc.c: Likewise.
12638         * config/i386/i386.c: Likewise.
12639         * config/sh/sh.c: Likewise.
12640         * config/xtensa/xtensa.c: Likewise.
12641         * config/stormy16/stormy16.c: Likewise.
12642         * config/ia64/ia64.c: Likewise.
12643         * config/rs6000/rs6000.c: Likewise.
12644         * config/pa/pa.c: Likewise.
12645         * config/mips/mips.c: Likewise.
12647 2008-07-28  Simon Baldwin  <simonb@google.com>
12649         * c-pragma.c (handle_pragma_message): New function.
12650         (init_pragma): Register handle_pragma_message.
12651         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
12652         documentation.
12654 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
12656         PR tree-optimization/35252
12657         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
12658         REALPART_EXPR to be considered as same load operation.
12660 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
12662         PR tree-optimization/36830
12663         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
12664         (expressions_equal_p): Return false if only one operand is null.
12666 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
12668         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
12669         version requirements.
12671 2008-07-26  Olivier Hainque  <hainque@adacore.com>
12673         * collect2.c (symkind): New enum.  Symbol kinds we care about.
12674         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
12675         code and head comment accordingly.
12676         (scan_prog_file): Use symkind names instead of bare integers.
12678 2008-07-25  Jan Hubicka  <jh@suse.cz>
12680         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
12681         DECL_INLINE.
12682         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
12683         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
12684         * dojump.c (clear_pending_stack_adjust): Likewise.
12685         * print-tree.c (print_node): Ignore DECL_INLINE.
12686         * tree-inline.c (inlinable_function_p): Likewise.
12688 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
12690         * doc/extend.texi (hot attribute): Document that the hot attribute
12691         turns on -O3 for some ports.
12692         (cold attribute): Document that the cold attribute turns on -Os
12693         for some ports
12695         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
12696         reflect function specific option support.
12698         * target.h (struct target_option_hooks): Add fields to say whether
12699         the cold attribute implies -Os and the hot attribute implies -O3.
12701         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
12702         By default, do not turn on -Os for cold functions.
12703         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
12704         not turn on -O3 for hot functions.
12706         * c-common.c (handle_hot_attribute): Use target hook to determine
12707         if hot functions should enable -O3.
12708         (handle_cold_attribute): Use target hook to determine if cold
12709         functions should enable -Os.
12711         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
12712         (override_options): Move disable scheduling to
12713         optimization_options.
12714         (optimization_options): Disable scheduling here, not
12715         override_options.
12716         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
12717         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
12719         * config/ia64/ia64.c (ia64_override_options): Move setting
12720         scheduling flags to ia64_optimization_options.
12721         (ia64_optimization_options): Disable scheduling options here, and
12722         not in ia64_override_options.
12723         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
12724         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
12726 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
12728         PR target/36936
12729         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
12731 2008-07-25  Martin Jambor  <mjambor@suse.cz>
12733         PR tree-optimization/36926
12734         * ipa-prop.c (ipa_analyze_call_uses): Call
12735         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
12737 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
12739         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
12740         movv2si_internal): Add mem = reg alternative.
12742 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
12744         PR bootstrap/36918
12745         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
12746         DEFAULT_PCC_STRUCT_RETURN to 127.
12748 2008-07-24  Jan Hubicka  <jh@suse.cz>
12750         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
12751         (build_cgraph_edges): Likewise.
12752         * cgraph.c (cgraph_node): Do not update assembler hash.
12753         (cgraph_remove_node): Drop non-unit-at-a-time code.
12754         * tree-pass.h (pass_O0_always_inline): Remove.
12755         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
12756         * toplev.c (process_options): Flag unit-at-a-time does not imply
12757         no section anchors.
12758         * cgraphunit.c: Update comments.
12759         (decide_is_function_needed): Drop non-unit-at-a-time mode.
12760         (cgraph_assemble_pending_functions): Remove.
12761         (cgraph_reset_node): Drop non-unit-at-a-time code.
12762         (cgraph_finalize_function): Likewise.
12763         (cgraph_analyze_function): Likewise.
12764         (cgraph_finalize_compilation_unit): Likewise.
12765         (cgraph_expand_function): Likewise.
12766         (cgraph_optimize): Likesise.
12767         (save_inline_function_body): Likewise.
12768         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
12769         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
12770         * ipa-inline.c: Update comments.
12771         (enum inlining_mode): remove INLINE_SPEED.
12772         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
12773         (cgraph_mark_inline_edge): Likewise.
12774         (try_inline): Likewise.
12775         (cgraph_decide_inlining_incrementally): Likewise.
12776         (cgraph_gate_inlining): Remove.
12777         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
12778         (cgraph_gate_early_inlining): Likewise.
12779         (gate_inline_passes): Remove.
12780         (pass_inline_parameters, pass_ipa_inline): Remove gates.
12781         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12782         pass_O0_always_inline): Remove.
12783         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
12784         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
12785         * opts.c (no_unit_at_a_time_default): Remove.
12786         (decode_options): Remove flag_unit_at_a_time reset and warning.
12787         * opts.h (no_unit_at_a_time_default): Remove.
12788         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
12789         early in GNU dialect.
12790         (merge_decls): Update comment; drop unit-at-a-time check.
12791         (finish_decl): Likewise.
12792         (grok_declaration): Remove flag_inline_trees code.
12793         (finish_functions): Return on function returning non-void on all
12794         statics.
12795         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
12796         * cfgexpand.c (expand_one_static_var): Remove.
12797         (expand_one_var): Remove expand_one_static_var call.
12798         (expand_used_vars_for_block): Remove flag_unit_a_time check.
12799         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
12800         and flag_unit_at_a-time compatibility checks.
12801         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
12802         * tree-inline.c (flag_inline_trees): Remove.
12803         (inlinable_function_p): Don't check it.
12804         (expand_call_inline): Remove non-unit-at-a-time code.
12805         * tree-inline.h (flag_inline_trees): Remove.
12806         * tree-optimize.c (execute_early_local_optimizations): Remove
12807         unit-at-a-time checks.
12808         (tree_rest_of_compilation): Likewise.
12809         * combine.c (setup_incoming_promotions): Likewise.
12810         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
12811         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
12812         * passes.c (pass_inline_parameters): Update comments; remove
12813         O0_alwaysinline pass.
12814         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
12815         (execute_one_pass): Likewise.
12816         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
12817         (ix86_function_sseregparm): Likewise.
12818         * arm.c (arm_function_in_section_p): Likewise.
12819         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
12820         * varpool.c: Update comments.
12821         (decide_is_variable_needed): Remove unit-at-a-time checks.
12822         (varpool_finalize_decl): Likewise.
12824 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
12826         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
12827         to 2 instead of -1.
12828         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
12830 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
12832         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
12833         imp symbol extension.
12835         2008-07-23  Ian Lance Taylor  <iant@google.com>
12837         * tree-vrp.c (infer_value_range): Ignore asm statements when
12838         looking for memory accesses for -fdelete-null-pointer-checks.
12840 2008-07-24  Ben Elliston  <bje@au.ibm.com>
12842         * config/spu/spu-c.c (__vector_keyword): New variable.
12843         (vector_keyword): Likewise.
12844         (spu_categorize_keyword): New function.
12845         (spu_macro_to_expand): Likewise.
12846         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
12847         compiling an ISO C dialect.
12849 2008-07-24  Ben Elliston  <bje@au.ibm.com>
12851         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
12852         conventional usage.
12854 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
12856         * configure: Regenerate.
12857         * configure.ac: Require texinfo 4.7.
12858         * doc/install.texi: Document texinfo 4.7 requirement.
12860 2008-07-23  Martin Jambor  <mjambor@suse.cz>
12862         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
12863         rather than for DECL_SAVED_TREE.
12864         * ipa-prop.c: Include diagnostic.h.
12865         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
12866         thoroughly.
12867         (ipa_detect_param_modifications): Function rewritten from scratch.
12868         (ipa_compute_jump_functions): Changed accesses to modification flags.
12869         (ipa_free_node_params_substructures): Update flags destruction.
12870         (ipa_node_duplication_hook): Update flags duplication.
12871         (ipa_print_all_params_modified): Updated flag access.
12872         * ipa-prop.h (struct ipa_param_flags): New structure.
12873         (struct ipa_node_params): New field modification_analysis_done,
12874         modified_flags changed into param_flags.
12875         (ipa_is_ith_param_modified): Changed to use new flags.
12876         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
12878         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
12879         ipa-cp.c and split into two functions.
12880         (ipa_print_node_jump_functions): New function.
12881         (compute_scalar_jump_functions): New function.
12882         (type_like_member_ptr_p): New function.
12883         (compute_pass_through_member_ptrs): New function.
12884         (fill_member_ptr_cst_jump_function): New function.
12885         (determine_cst_member_ptr): New function.
12886         (compute_cst_member_ptr_arguments): New function.
12887         (ipa_compute_jump_functions): Complete rewrite.
12888         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
12889         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
12890         (struct ipa_member_ptr_cst): New structure.
12891         (union jump_func_value): New field member_cst.
12892         * ipa-cp.c (ipcp_lat_is_insertable): New function.
12893         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
12894         jump function types.
12895         (ipcp_print_all_lattices): Slight fprintf rearrangement.
12896         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
12897         instead of ipcp_print_all_jump_functions.
12898         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
12899         only for replacable scalars.
12901         * doc/invoke.texi (Optimize options): Add description of
12902         -findirect-inlining.
12903         * common.opt (flag_indirect_inlining): New flag.
12904         * opts.c (decode_options): Set flag_indirect_inlining when
12905         optimize >= 3.
12907         * ipa-inline.c: Include ipa-prop.h.
12908         (inline_indirect_intraprocedural_analysis): New function.
12909         (inline_generate_summary): Allocate parameter and argument info
12910         structures, call inline_indirect_intraprocedural_analysis on each
12911         node when doing indirect inlining and deallocate indirect inlining
12912         data structures in the end.
12913         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
12914         (free_all_ipa_structures_after_iinln): New function.
12915         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
12916         done.
12917         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
12919         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
12920         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
12921         of computing the frequency separately.
12922         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
12923         of computing the frequency separately.
12924         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
12925         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
12926         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
12927         (ipa_get_stmt_member_ptr_load_param): New function.
12928         (ipa_is_ssa_with_stmt_def): New function.
12929         (ipa_note_param_call): New function.
12930         (ipa_analyze_call_uses): New function.
12931         (ipa_analyze_stmt_uses): New function.
12932         (ipa_analyze_params_uses): New function.
12933         (ipa_free_node_params_substructures): Also free the param_calls linked
12934         list.
12935         (ipa_node_duplication_hook): Also duplicate the param_calls
12936         linked list.
12937         (ipa_print_node_param_flags): New function.
12938         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
12939         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
12940         * ipa-prop.h (struct ipa_param_flags): New field called.
12941         (struct ipa_param_call_note): New structure.
12942         (struct ipa_node_params): New fields param_calls and
12943         uses_analysis_done.
12944         (ipa_is_ith_param_called): New function.
12945         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
12946         ipa_analyze_params_uses and dump parameter flags.
12948         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
12949         ipa_propagate_indirect_call_infos if performing indirect inlining,
12950         pass a new parameter new_edges to it.
12951         (add_new_edges_to_heap): New fucntion.
12952         (cgraph_decide_inlining_of_small_functions): New vector
12953         new_indirect_edges for newly found indirect edges , call
12954         ipa_propagate_indirect_call_infos after inlining.
12955         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
12956         inlining if performing indirect inlining.  Call
12957         free_all_ipa_structures_after_iinln when doing so too.
12958         (inline_generate_summary): Do not call
12959         free_all_ipa_structures_after_iinln here.
12960         * ipa-prop.c (update_jump_functions_after_inlining): New function.
12961         (print_edge_addition_message): New function.
12962         (update_call_notes_after_inlining): New function.
12963         (propagate_info_to_inlined_callees): New function.
12964         (ipa_propagate_indirect_call_infos): New function.
12965         * ipa-prop.h: Include cgraph.h
12966         (struct ipa_param_call_note): Fields reordered, new field processed.
12967         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
12968         flag indirect_call.
12969         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
12970         rediscovered call statements.
12971         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
12972         (dump_cgraph_node): Dump also the indirect_call flag.
12973         (cgraph_clone_edge): Copy also the indirect_call flag.
12974         * tree-inline.c (copy_bb): Do not check for fndecls from call
12975         expressions, check for edge availability when moving clones.
12976         (get_indirect_callee_fndecl): New function.
12977         (expand_call_inline): If callee declaration is not apprent from
12978         the statement, try calling get_indirect_callee_fndecl.  Do not
12979         issue warnings or call sorry when not inlinings an indirect edge.
12980         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
12982         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
12983         bit more frandly to matching.
12984         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
12985         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
12986         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
12988 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
12990         PR 36907
12991         * opth-gen.awk: Suppress function specific features when building
12992         target libraries.
12993         * optc-gen.awk: Ditto.
12995 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12997         PR 35058
12998         * diagnostic.c (pedwarn): Add opt parameter.
12999         (pedwarn0): New.
13000         * c-tree.h (pedwarn_init): Add opt parameter.
13001         (pedwarn_c90): Likewise.
13002         (pedwarn_c99): Likewise.
13003         * c-errors.c (pedwarn_c99): Likewise.
13004         (pedwarn_c90): Likewise.
13005         * toplev.h (pedwarn): Update declaration.
13006         (pedwarn0): Declare.
13007         * c-lex.c: All calls to pedwarn changed.
13008         * builtins.c: All calls to pedwarn changed.
13009         * toplev.c: All calls to pedwarn changed.
13010         * c-decl.c: All calls to pedwarn changed.
13011         * c-typeck.c: All calls to pedwarn changed.
13012         * c-common.c: All calls to pedwarn changed.
13013         * c-parser.c: All calls to pedwarn changed.
13015 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
13016             Karthik Kumar  <karthikkumar@gmail.com>
13018         * attribs.c (file scope): Include c-common.h.
13019         (decl_attributes): Add support for #pragma GCC optimize and
13020         #pragma GCC option.
13022         * targhooks.c (default_can_inline_p): New function that is the
13023         default for the TARGET_CAN_INLINE_P target hook.
13025         * targhooks.h (default_can_inline_p): Add declaration.
13027         * tree.c (cl_optimization_node): New static tree for building
13028         OPTIMIZATION_NODE tree.
13029         (cl_target_option_node): New static tree for building
13030         TARGET_OPTION_NODE tree.
13031         (cl_option_hash_table): New hash table for hashing
13032         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
13033         (cl_option_hash_hash): New function to provide the hash value for
13034         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
13035         (cl_option_hash_eq): New function to provide an equality test for
13036         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
13037         (tree_code_size): Add support for OPTIMIZATION_NODE and
13038         TARGET_OPTION_NODE trees.
13039         (tree_code_structure): Add support for OPTIMIZATION_NODE and
13040         TARGET_OPTION_NODE trees.
13041         (build_optimization_node): Build a tree that has all of the
13042         current optimization options.
13043         (build_target_option_node): Build a tree that has the target
13044         options that might be changed on a per function basis.
13046         * tree.h (file scope): Include options.h.
13047         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
13048         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
13049         (TREE_OPTIMIZATION): Ditto.
13050         (TREE_TARGET_SPECIFIC): Ditto.
13051         (struct tree_function_decl): Add fields for remembering the
13052         current optimization options and target specific options.
13053         (struct tree_optimization_option): New tree variant that remembers
13054         the optimization options.
13055         (struct tree_target_option): New tree variant that remembers the
13056         target specific flags that might change for compiling a particular
13057         function.
13058         (union tree_node): Include tree_optimization_option and
13059         tree_target_option fields.
13060         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
13061         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
13062         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
13063         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
13064         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
13065         optimization and target options.
13066         (optimization_default_node): New macro to refer to global_trees
13067         field.
13068         (optimization_current_node): Ditto.
13069         (optimization_cold_node): Ditto.
13070         (optimization_hot_node): Ditto.
13071         (target_option_default_node): Ditto.
13072         (target_option_current_node): Ditto.
13073         (current_option_pragma): Ditto.
13074         (current_optimize_pragma): Ditto.
13076         * target.h (struct gcc_target): Add valid_option_attribute_p,
13077         target_option_save, target_option_restore, target_option_print,
13078         target_option_pragma_parse, and can_inline_p hooks.
13080         * toplev.h (parse_optimize_options): Add declaration.
13081         (fast_math_flags_struct_set_p): Ditto.
13083         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
13084         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
13085         optimize is used.
13087         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
13088         tree_can_inline_p hook to see if one function can inline another.
13089         (cgraph_decide_inlining): Ditto.
13090         (cgraph_decide_inlining_incrementally): Ditto.
13092         * opts.c (decode_options): Add support for running multiple times
13093         to allow functions with different target or optimization options
13094         than was specified on the command line.
13095         (fast_math_flags_struct_set_p): New function that is similar to
13096         fast_math_flags_set_p, except it uses the values in the
13097         cl_optimization structure instead of global variables.
13099         * optc-gen.awk: Add support for TargetSave to allow a back end to
13100         declare new fields that need to be saved when using function
13101         specific options.  Include flags.h and target.h in the options.c
13102         source.  Add support for Save to indicate which options can be set
13103         for individual functions.  Generate cl_optimize_save,
13104         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
13105         cl_target_option_restore, cl_target_option_print functions to
13106         allow functions to use different optimization or target options.
13108         * opt-functions.awk (var_type_struct): Return the type used for
13109         storing the field in a structure.
13111         * opth-gen.awk: Add support for TargetSave to allow a back end to
13112         declare new fields that need to be saved when using function
13113         specific options.  Add support for Save to indicate which options
13114         can be set for individual functions.  Only generate one extern for
13115         Mask fields.  Generate cl_optimization and cl_target_option
13116         structures to remember optimization and target options.
13118         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
13119         collecting new tree nodes.
13120         (TS_TARGET_OPTION): Ditto.
13122         * c-decl.c (merge_decls): Merge function specific target and
13123         optimization options.
13125         * function.c (invoke_set_current_function_hook): If the function
13126         uses different optimization options, change the global variables
13127         to reflect this.
13129         * coretypes.h (struct cl_optimization): Add forward reference.
13130         (struct cl_target_option): Ditto.
13132         * c-pragma.c (option_stack): New static vector to remember the
13133         current #pragma GCC option stack.
13134         (handle_pragma_option): New function to support #pragma GCC option
13135         to change target options.
13136         (optimize_stack): New static vector to remember the current
13137         #pragma GCC optimize stack.
13138         (handle_pragma_optimize): New function to support #pragma GCC
13139         optimize to change optimization options.
13140         (init_pragma): Add support for #pragma GCC optimize and #pragma
13141         GCC option.
13143         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
13144         optimization options.
13145         (TARGET_OPTION_NODE): New tree code for remembering certain target
13146         options.
13148         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
13149         TARGET_OPTION_NODE trees.
13151         * common.opt (-O): Add Optimization flag.
13152         (-Os): Ditto.
13153         (-fmath-errno): Ditto.
13154         (-falign-functions): Add UInteger flag to make sure flag gets full
13155         int in cl_optimization structure.
13156         (-falign-jumps): Ditto.
13157         (-falign-labels): Ditto.
13158         (-falign-loops): Ditto.
13159         (-fsched-stalled-insns): Ditto.
13160         (-fsched-stalled-insns-dep): Ditto.
13162         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
13163         definition.
13164         (TARGET_OPTION_SAVE): Ditto.
13165         (TARGET_OPTION_RESTORE): Ditto.
13166         (TARGET_OPTION_PRINT): Ditto.
13167         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
13168         (TARGET_CAN_INLINE_P): Ditto.
13169         (TARGET_INITIALIZER): Add new hooks.
13171         * tree-inline.c (tree_can_inline_p): New function to determine
13172         whether one function can inline another.  Check if the functions
13173         use compatible optimization options, and also call the backend
13174         can_inline_p hook.
13176         * tree-inline.h (tree_can_inline_p): Add declaration.
13178         * c-common.c (c_common_attribute): Add support for option and
13179         optimize attributes.
13180         (handle_option_attribute): Add support for the option attribute to
13181         allow the user to specify different target options for compiling a
13182         specific function.
13183         (handle_optimize_attribute): Add support for the optimize
13184         attribute to allow the user to specify different optimization
13185         options for compiling a specific function.
13186         (handle_hot_attribute): Turn on -O3 optimization for this one
13187         function if it isn't the default optimization level.
13188         (handle_cold_attribute): Turn on -Os optimization for this one
13189         function if it insn't the default optimization.
13190         (const_char_p): New const char * typedef.
13191         (optimize_args): New static vector to remember the optimization
13192         arguments.
13193         (parse_optimize_options): New function to set up the optimization
13194         arguments from either the optimize attribute or #pragma GCC optimize.
13196         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
13197         (builtin_define_std): Ditto.
13199         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
13200         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
13201         (x86_64-*-*): Ditto.
13203         * Makefile.in (TREE_H): Add options.h.
13204         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
13206         * doc/extend.texi (option attribute): Document new attribute.
13207         (optimize attribute): Ditto.
13208         (hot attribute): Document hot attribute sets -O3.
13209         (cold attribute): Document cold attribute sets -Os.
13210         (#pragma GCC option): Document new pragma.
13211         (#pragma GCC optimize): Ditto.
13213         * doc/options.texi (TargetSave): Document TargetSave syntax.
13214         (UInteger): Document UInteger must be used for certain flags.
13215         (Save): Document Save option to create target specific options
13216         that can be saved/restored on a function specific context.
13218         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
13219         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
13221         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
13222         (TARGET_OPTION_SAVE): Ditto.
13223         (TARGET_OPTION_RESTORE): Ditto.
13224         (TARGET_OPTION_PRINT): Ditto.
13225         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
13226         (TARGET_CAN_INLINE_P): Ditto.
13228         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
13229         -mfpmath=sse,387.
13230         (-mfpmath=both): Ditto.
13232 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
13233             Karthik Kumar  <karthikkumar@gmail.com>
13235         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
13236         (TARGET_POPCNT): Ditto.
13237         (TARGET_SAHF): Ditto.
13238         (TARGET_AES): Ditto.
13239         (TARGET_PCLMUL): Ditto.
13240         (TARGET_CMPXCHG16B): Ditto.
13241         (TARGET_RECIP): Move switch into target_flags.
13242         (TARGET_FUSED_MADD): Ditto.
13243         (ix86_arch_features): Make an unsigned char type.
13244         (ix86_tune_features): Ditto.
13245         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
13246         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
13247         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
13249         * config/i386/i386.opt (arch): New TargetSave field to define
13250         fields that need to be saved for function specific option support.
13251         (tune): Ditto.
13252         (fpmath): Ditto.
13253         (branch_cost): Ditto.
13254         (ix86_isa_flags_explicit): Ditto.
13255         (tune_defaulted): Ditto.
13256         (arch_specified): Ditto.
13257         (-m128-long-double): Add Save flag to save option for target
13258         specific option support.
13259         (-m80387): Ditto.
13260         (-maccumulate-outgoing-args): Ditto.
13261         (-malign-double): Ditto.
13262         (-malign-stringops): Ditto.
13263         (-mfancy-math-387): Ditto.
13264         (-mhard-float): Ditto.
13265         (-mieee-fp): Ditto.
13266         (-minline-all-stringops): Ditto.
13267         (-minline-stringops-dynamically): Ditto.
13268         (-mms-bitfields): Ditto.
13269         (-mno-align-stringops): Ditto.
13270         (-mno-fancy-math-387): Ditto.
13271         (-mno-push-args): Ditto.
13272         (-mno-red-zone): Ditto.
13273         (-mpush-args): Ditto.
13274         (-mred-zone): Ditto.
13275         (-mrtd): Ditto.
13276         (-msseregparm): Ditto.
13277         (-mstack-arg-probe): Ditto.
13278         (-m32): Ditto.
13279         (-m64): Ditto.
13280         (-mmmx): Ditto.
13281         (-m3dnow): Ditto.
13282         (-m3dnowa): Ditto.
13283         (-msse): Ditto.
13284         (-msse2): Ditto.
13285         (-msse3): Ditto.
13286         (-msse4.1): Ditto.
13287         (-msse4.2): Ditto.
13288         (-msse4): Ditto.
13289         (-mno-sse4): Ditto.
13290         (-msse4a): Ditto.
13291         (-msse5): Ditto.
13292         (-mrecip): Move flag into target_flags.
13293         (-mcld): Ditto.
13294         (-mno-fused-madd): Ditto.
13295         (-mfused-madd): Ditto.
13296         (-mabm): Move flag into ix86_isa_flags.
13297         (-mcx16): Ditto.
13298         (-mpopcnt): Ditto.
13299         (-msahf): Ditto.
13300         (-maes): Ditto.
13301         (-mpclmul): Ditto.
13303         * config/i386/i386-c.c: New file for #pragma support.
13304         (ix86_target_macros_internal): New function to #define or #undef
13305         target macros based when the user uses the #pragma GCC option to
13306         change target options.
13307         (ix86_pragma_option_parse): New function to add #pragma GCC option
13308         support.
13309         (ix86_target_macros): Move defining the target macros here from
13310         TARGET_CPU_CPP_BUILTINS in i386.h.
13311         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
13312         defined, initialize any subtarget #pragmas.
13314         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
13315         REGISTER_TARGET_PRAGMAS.
13317         * config/i386/t-i386: New file for x86 dependencies.
13318         (i386.o): Make dependencies mirror the include files used.
13319         (i386-c.o): New file, add dependencies.
13321         * config/i386/i386-protos.h (override_options): Add bool argument.
13322         (ix86_valid_option_attribute_tree): Add declaration.
13323         (ix86_target_macros): Ditto.
13324         (ix86_register_macros): Ditto.
13326         * config/i386/i386.c (ix86_tune_features): Move initialization of
13327         the target masks to initial_ix86_tune_features to allow functions
13328         to have different target options.  Make type unsigned char,
13329         instead of unsigned int.
13330         (initial_ix86_tune_features): New static vector to hold processor
13331         masks for the tune variables.
13332         (ix86_arch_features): Move initialization of the target masks to
13333         initial_ix86_arch_features to allow functions to have different
13334         target options.  Make type unsigned char, instead of unsigned int.
13335         (initial_ix86_arch_features): New static vector to hold processor
13336         masks for the arch variables.
13337         (enum ix86_function_specific_strings): New enum to describe the
13338         string options used for attribute((option(...))).
13339         (ix86_target_string): New function to return a string that
13340         describes the target options.
13341         (ix86_debug_options): New function to print the current options in
13342         the debugger.
13343         (ix86_function_specific_save): New function hook to save the
13344         function specific global variables in the cl_target_option structure.
13345         (ix86_function_specific_restore): New function hook to restore the
13346         function specific variables from the cl_target_option structure to
13347         the global variables.
13348         (ix86_function_specific_print): New function hook to print the
13349         target specific options in the cl_target_option structure.
13350         (ix86_valid_option_attribute_p): New function hook to validate
13351         attribute((option(...))) arguments.
13352         (ix86_valid_option_attribute_tree): New function that is common
13353         code between attribute((option(...))) and #pragma GCC option
13354         support that parses the options and returns a tree holding the options.
13355         (ix86_valid_option_attribute_inner_p): New helper function for
13356         ix86_valid_option_attribute_tree.
13357         (ix86_can_inline_p): New function hook to decide if one function
13358         can inline another on a target specific basis.
13359         (ix86_set_current_function); New function hook to switch target
13360         options if the user used attribute((option(...))) or #pragma GCC
13361         option.
13362         (ix86_tune_defaulted): Move to static file scope from
13363         override_options.
13364         (ix86_arch_specified): Ditto.
13365         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
13366         ix86_isa_flags.
13367         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
13368         (OPTION_MASK_ISA_ABM_SET): Ditto.
13369         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
13370         (OPTION_MASK_ISA_CX16_SET): Ditto.
13371         (OPTION_MASK_ISA_SAHF_SET): Ditto.
13372         (OPTION_MASK_ISA_AES_UNSET): Ditto.
13373         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
13374         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
13375         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
13376         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
13377         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
13378         (struct ptt): Move to static file scope from override_options.
13379         (processor_target_table): Ditto.
13380         (cpu_names): Ditto.
13381         (ix86_handle_option): Add support for options that are now isa options.
13382         (override_options): Add support for declaring functions that
13383         support different target options than were specified on the
13384         command line.  Move struct ptt, processor_target_table, cpu_names,
13385         ix86_tune_defaulted, ix86_arch_specified to static file scope.
13386         Add bool argument.  Fix up error messages so the appropriate error
13387         is given for either command line or attribute.
13388         (ix86_previous_fndecl): New static to remember previous function
13389         declaration to see if we need to change target options.
13390         (ix86_builtins_isa): New array to record the ISA of each builtin
13391         function.
13392         (def_builtin): Always create the builtin function, even if the
13393         current ISA doesn't support it.
13394         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
13395         tests for those builtins.
13396         (ix86_init_builtins): Remove TARGET_MMX test for calling
13397         ix86_init_mmx_sse_builtins.
13398         (ix86_expand_builtin): If the current ISA doesn't support a given
13399         builtin, signal an error.
13400         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
13401         (TARGET_SET_CURRENT_FUNCTION): Ditto.
13402         (TARGET_OPTION_SAVE): Ditto.
13403         (TARGET_OPTION_RESTORE): Ditto.
13404         (TARGET_OPTION_PRINT): Ditto.
13405         (TARGET_CAN_INLINE_P): Ditto.
13407 2008-07-22  Rafael Ávila de Espíndola  <espindola@google.com>
13409         * c-typeck.c (build_external_ref): Don't call assemble_external.
13410         * final.c (output_operand): Call assemble_external.
13412 2008-07-21  DJ Delorie  <dj@redhat.com>
13414         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
13415         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
13417 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13419         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
13420         original insn and splitter contents into ...
13421         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
13422         flag_unsafe_math_optimizations.  Add dummy scratch register.
13423         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
13424         !flag_unsafe_math_optimizations.  Returns number with next
13425         highest magnitude if this is still less or equal to the true
13426         quotient in magnitude.
13428 2008-07-21  Rafael Ávila de Espíndola  <espindola@google.com>
13430         * Makefile.in: Replace toplev.h with TOPLEV_H.
13431         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
13432         * c-lex.c (fe_file_change): Don't set in_system_header.
13433         * c-parser.c (c_token): Remove in_system_header.
13434         (c_lex_one_token): Don't set in_system_header.
13435         (c_parser_set_source_position_from_token): Don't set in_system_header.
13436         * diagnostic.c (diagnostic_report_diagnostic): Use location from
13437         diagnostic_info.
13438         (warning_at): New.
13439         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
13440         * flags.h (in_system_header): Remove.
13441         * function.c (saved_in_system_header): Remove.
13442         (push_cfun): Don't set in_system_header.
13443         (pop_cfun): Don't set in_system_header.
13444         (push_struct_function): Don't set in_system_header.
13445         * input.h (expanded_location): Add sysp.
13446         (in_system_header_at): New.
13447         (in_system_header): New.
13448         * toplev.c (in_system_header): Remove.
13449         * toplev.h: Include input.h
13450         (warning_at): New.
13451         * tree-cfg.c (execute_warn_function_return): Call warning_at.
13452         * tree-ssa.c (warn_uninit): Call warning_at.
13453         (warn_uninitialized_var): Update calls to warn_uninit.
13454         (warn_uninitialized_phi): Update calls to warn_uninit.
13455         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
13456         (expand_location): Initialize xloc.sysp.
13457         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
13458         (tree_decl_with_vis): Remove in_system_header_flag.
13460 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
13462         PR target/36822
13463         * recog.c (asm_operand_ok): Change the order of the extra
13464         memory constraint checks.
13466 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13468         PR tree-opt/36879
13469         * tree-switch-conversion.c (build_one_array): Call
13470         varpool_mark_needed_node and varpool_finalize_decl
13471         instead of assemble_variable.
13473 2008-07-19  Jan Hubicka  <jh@suse.cz>
13475         * cgraph.c (cgraph_add_new_function): Do early local passes.
13476         * tree-nrv.c (gate_pass_return_slot): New gate.
13477         (pass_nrv): Add the gate.
13478         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
13479         functions.
13480         (coalesce_ssa_name): Coalesce SSA names.
13481         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
13482         not optimizing so unused user vars remains visible.
13483         * common.opt (flag_tree_ter): Always enable by default.
13484         * tree-ssa-ter.c: Include flags.h
13485         (is_replaceable_p): Check that locations match; when aliasing
13486         is missing be conservative about loads.
13487         * tree-optimize.c (gate_init_datastructures): Remove.
13488         (pass_init_datastructures): New.
13489         * passes.c: Reorder passes so we always go into SSA.
13491 2008-07-19  Jan Hubicka  <jh@suse.cz>
13493         * doc/extend.texi (flatten attribute): Remove note about
13494         unit-at-a-time.
13495         * doc/invoke.texi (--combine): Likewise.
13496         (-finline-functions-called-once): Update levels when enabled.
13497         (-funit-at-a-time): Document new behaviour.
13498         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
13499         -fno-section-anchors when disabled explicitly.
13500         (inline params): They are not ignored now.
13501         (precompiled headers): Remove unit-at-a-time as being incompatible.
13502         * opts.c (decode_options): Handle unit-at-a-time as alias;
13503         imply -fno-section-anchors when toplevel reorder is disabled
13504         explicitly.
13505         * common.opt (ftoplevel-reorder): Set default value to 2.
13506         (funit-at-a-time): Set default value to 1.
13507         * config/rs6000/rs6000.c (optimization_options): Set section anchors
13508         to 2.
13510 2008-07-19  Jan Hubicka  <jh@suse.cz>
13512         * builtins.c (expand_builtin_int_roundingfn,
13513         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
13514         it is not useful.
13516 2008-07-19  Richard Guenther  <rguenther@suse.de>
13518         PR bootstrap/36864
13519         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
13520         * tree-ssa-sccvn.c (get_constant_value_id): New function.
13521         * tree-ssa-pre.c (get_expr_value_id): For newly created
13522         constant value-ids make sure to add the expression to its
13523         expression-set.
13525 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
13527         PR middle-end/36877
13528         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
13529         return value of the builtin is ignored.
13531 2008-07-19  Olivier Hainque  <hainque@adacore.com>
13533         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
13534         bits, a C conformant malloc implementation has to provide.
13535         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
13537 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
13539         PR target/36780
13540         PR target/36827
13541         * reload.c (find_reloads_subreg_address): Only reload address if
13542         reloaded == 0, not for reloaded != 1.
13544         Revert:
13545         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
13546         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
13547         (m32c_legitimate_address_p): Handle "++rii" addresses created by
13548         m32c_legitimize_reload_address.
13550         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
13551         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
13552         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
13554 2008-07-19  Olivier Hainque  <hainque@adacore.com>
13556         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
13557         argument, saying whether nested array are to be collapsed
13558         into a single array type DIE with multiple subscripts.
13559         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
13560         issues, centralize the nested array types collapsing control and
13561         disable the transformation for Ada.
13563 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
13565         PR target/36786
13566         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
13567         x86_64_shift_adj.
13568         (x86_64_shift_adj_2): New expander.
13569         (x86_64_shift_adj_3): Ditto.
13570         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
13571         to split TImode operands.
13572         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
13573         (ix86_split_lshr): Ditto.
13575 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
13577         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
13578         and __CHAR32_TYPE__.
13579         * c-typeck.c (digest_init): Support char16_t and char32_t.
13580         (set_nonincremental_init_from_string): Idem.
13582 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
13584         PR middle-end/36859
13585         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
13586         PREFERRED_STACK_BOUNDARY.
13587         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
13589 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
13591         PR middle-end/36858
13592         * function.c (locate_and_pad_parm): Cap boundary earlier.
13594 2008-07-17  Julian Brown  <julian@codesourcery.com>
13596         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
13597         no-op for targets which don't use DLLs.
13599 2008-07-17  Martin Jambor  <mjambor@suse.cz>
13601         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
13602         that nodes are relevant by examining the node->analyzed flag.
13603         (ipcp_init_stage): Check which nodes are relevant, assert that the
13604         relevant ones are also required.
13605         (ipcp_propagate_stage): Check on the side arrays are properly
13606         allocated.
13607         (ipcp_print_all_jump_functions): Make sure not to touch any node
13608         that is not analyzed or an edge that does not have a corresponding
13609         entry in the on-the-side vectors.
13610         (ipcp_function_scale_print): Likewise.
13611         (ipcp_update_callgraph): Check that the node is relevant.
13612         (ipcp_insert_stage): Check that the node is relevant.  Check there is
13613         an info for every node and edge.
13614         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
13615         (ipa_print_all_tree_maps): Likewise and a new variable info.
13616         (ipa_print_all_params_modified): Likewise.
13617         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
13619 2008-07-17  Roman Zippel  <zippel@linux-m68k.org>
13621         PR target/25343
13622         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
13624 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
13626         PR rtl-optimization/36753
13627         * fwprop.c (use_killed_between): Don't shortcut
13628         single-definition global registers.
13630 2008-07-16  Jan Hubicka  <jh@suse.cz>
13632         * cgraph.h (varpool_empty_needed_queue): Declare.
13633         * cgraphunit.c (output_in_order): Mark all variables as needed;
13634         empty the queue.
13635         * varpool.c (varpool_assemble_node): Update debug queue.
13636         (varpool_assemble_pending_decls): Don't do it here.
13637         (varpool_empty_needed_queue):  New function.
13639 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13641         * recog.c (peephole2_optimize): Fix formatting.
13643 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13645         * c-pch.c (get_ident): Avoid C++ keywords.
13646         * combine-stack-adj.c (single_set_for_csa): Likewise.
13647         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
13648         output_asm_insn): Likewise.
13649         * reload.c (push_secondary_reload, find_reusable_reload,
13650         push_reload, combine_reloads, find_reloads,
13651         debug_reload_to_stream): Likewise.
13652         * reload.h (struct reload): Likewise.
13653         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
13654         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
13655         emit_output_reload_insns): Likewise.
13656         * targhooks.c (default_secondary_reload): Likewise.
13657         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
13659 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13661         * recog.c (validate_change_1, validate_change,
13662         validate_unshare_change, validate_replace_rtx_1, struct
13663         funny_match, constrain_operands, peephole2_optimize): Avoid C++
13664         keywords.
13665         * reload.c (push_secondary_reload, secondary_reload_class,
13666         scratch_reload_class, find_valid_class, find_reusable_reload,
13667         push_reload, find_dummy_reload, find_reloads_address_1,
13668         find_reloads_address_part, find_equiv_reg): Likewise.
13669         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
13670         choose_reload_regs): Likewise.
13671         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
13672         Likewise.
13673         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
13674         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
13675         * sched-rgn.c (concat_INSN_LIST): Likewise.
13676         * stor-layout.c (mode_for_size, mode_for_size_tree,
13677         smallest_mode_for_size): Likewise.
13679 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13681         * cfg.c (dump_reg_info): Avoid C++ keywords.
13682         * dwarf2asm.c (dw2_force_const_mem,
13683         dw2_asm_output_encoded_addr_rtx): Likewise.
13684         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
13685         * expmed.c (expand_shift): Likewise.
13686         * global.c (find_reg): Likewise.
13687         * graph.c (draw_edge): Likewise.
13688         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
13689         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
13690         widen_clz, widen_bswap, expand_parity, expand_unop,
13691         emit_cmp_and_jump_insn_1): Likewise.
13692         * postreload.c (reload_cse_simplify_operands): Likewise.
13693         * ra.h (add_neighbor): Likewise.
13694         * reg-stack.c (remove_regno_note, change_stack): Likewise.
13695         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
13696         record_reg_classes, copy_cost, record_address_regs,
13697         invalid_mode_change_p): Likewise.
13698         * regrename.c (regrename_optimize, scan_rtx_reg,
13699         dump_def_use_chain, find_oldest_value_reg,
13700         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
13702 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
13704         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
13705         MASK_POWERPC64 for power4 in previous commit.
13707 2008-07-16  Olivier Hainque  <hainque@adacore.com>
13709         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
13710         instead of bare conversion to cast const-ness away.
13712 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
13714         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
13715         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
13716         * config/xtensa/xtensa.c (xtensa_function_value): New function.
13717         (TARGET_FUNCTION_VALUE): Define.
13719 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
13721         * config/rs6000/rs6000.c (processor_target_table): Add
13722         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
13724 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
13726         PR target/36827
13727         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
13728         (m32c_legitimate_address_p): Handle "++rii" addresses created by
13729         m32c_legitimize_reload_address.
13731 2008-07-16  Rafael Ávila de Espíndola  <espindola@google.com>
13733         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
13734         DECL_IN_SYSTEM_HEADER in sync.
13736 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
13738         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
13739         * tree-ssa-pre.c (pre_expr_eq): Ditto
13740         (get_constant_for_value_id): Take a type as an argument.
13741         (fully_constant_expression): Pass in type.
13742         (find_or_generate_expression): Short circuit constant case.
13743         (create_expression_by_pieces): Remove special casing of
13744         pointer_plus.
13745         (do_regular_insertion): Short circuit constant case.
13746         (do_partial_partial_insertion): Ditto.
13748 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
13750         PR target/36782
13751         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
13753 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
13755         * config/xtensa/libgcc-xtensa.ver: New file.
13756         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
13758 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13760         * df-problems.c (df_set_note): Avoid C++ keywords.
13761         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
13762         * dse.c (record_store, remove_useless_values): Likewise.
13763         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
13764         gen_reg_rtx_offset, operand_subword, change_address_1,
13765         change_address, adjust_address_1, offset_address,
13766         widen_memory_access, emit_copy_of_insn_after): Likewise.
13767         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
13768         * fwprop.c (should_replace_address, propagate_rtx_1,
13769         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
13770         Likewise.
13771         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
13772         gcse_emit_move_after, update_ld_motion_stores): Likewise.
13773         * lcm.c (compute_insert_delete, pre_edge_lcm,
13774         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
13775         * lower-subreg.c (resolve_reg_notes): Likewise.
13776         * mode-switching.c (optimize_mode_switching): Likewise.
13778 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13780         * bt-load.c (add_btr_def, migrate_btr_def,
13781         branch_target_load_optimize): Avoid C++ keywords.
13782         * caller-save.c (insert_restore, insert_save, insert_one_insn):
13783         Likewise.
13784         * combine.c (subst, simplify_set, make_extraction,
13785         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
13786         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
13787         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
13789 2008-07-15  Richard Guenther  <rguenther@suse.de>
13791         PR middle-end/36369
13792         * c-common.c (strict_aliasing_warning): Do not warn for
13793         TYPE_REF_CAN_ALIAS_ALL pointers.
13794         (c_common_get_alias_set): may_alias types are not special.
13795         * tree.c (build_pointer_type_for_mode): Look up the may_alias
13796         attribute and set can_ref_all accordingly.
13797         (build_reference_type_for_mode): Likewise.
13798         * doc/extend.texi (may_alias): Clarify.
13800 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
13802         PR target/36780
13803         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
13804         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
13806 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13808         PR target/31568
13809         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
13810         gcc_assert, instead call output_operand_lossage.
13812 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
13814         * builtins.c (std_canonical_va_list): Treat structure based
13815         va_list types.
13817 2008-07-15  Ben Elliston  <bje@au.ibm.com>
13819         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
13821 2008-07-14  Rafael Ávila de Espíndola  <espindola@google.com>
13823         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
13824         is set.
13826 2008-07-14  Jan Hubicka  <jh@suse.cz>
13828         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
13829         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
13830         fix predicates and constraints.
13831         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
13832         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
13834 2008-07-14  Doug Kwan  <dougkwan@google.com>
13836         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
13837         additional option file arm/eabi.opt.
13838         * config/arm/eabi.h (File): New configuration file for EABI targets.
13839         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
13840         SUBSUBTARGET_EXTRA_SPECS.
13841         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
13842         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
13843         from STARTFILE_SPEC so that it can be referenced in an override.
13844         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
13845         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
13846         can be referenced in an override.
13847         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
13848         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
13849         so that it can be referenced in an override.
13850         (LINK_SPEC): Use BPABI_LINK_SPEC.
13851         * config/arm/eabi.opt (File): New.
13853 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13855         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
13856         (FIXED_VALUE_H): New variable.
13857         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
13858         input.h, fixed-value.h.
13859         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
13860         (BASIC_BLOCK_H): Use $(BITMAP_H).
13861         (FUNCTION_H): Add varray.h.
13862         (IPA_REFERENCE_H): Use $(BITMAP_H).
13863         (CGRAPH_H): Add $(BASIC_BLOCK_H).
13864         (DF_H): Use $(BITMAP_H).
13865         (GGC_H): Add statistics.h.
13866         (INSN_ADDR_H): New.
13867         (INSN_ATTR_H): Use it.
13868         (SYSTEM_H): Add safe-ctype.h, filenames.h.
13869         (INPUT_H): New.
13870         (SYMTAB_H): Add $(OBSTACK_H).
13871         (CPP_INTERNAL_H): New.
13872         (TREE_DUMP_H): Add tree-pass.h.
13873         (TREE_FLOW_H): Use $(BITMAP_H)
13874         (PRETTY_PRINT_H): Use $(INPUT_H).
13875         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
13876         (GSTAB_H): New.
13877         (BITMAP_H): New.
13878         (many object files): Fix lots of header dependencies throughout.
13880 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13882         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
13883         New macros.
13884         (s-gtyp-input): Use them to write tmp-gi.list.
13885         (echo_to_gi.list): Remove.
13887 2008-07-14  Richard Guenther  <rguenther@suse.de>
13889         * tree-ssa-sccvn.c (pre_info): Remove.
13890         (switch_to_PRE_table): Likewise.
13891         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
13892         (set_hashtable_value_ids): Do not create value-ids for the
13893         optimistic tables.
13894         (run_scc_vn): Remove double test.  Remove bogus special-case
13895         in value-number printing.
13896         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
13897         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
13898         SSA_NAME_VALUE.
13899         * tree-flow-inline.h (get_value_handle): Remove.
13900         * tree-flow.h (get_value_handle): Remove.
13902 2008-07-14  Martin Jambor  <mjambor@suse.cz>
13904         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
13905         in which we generate arithmetics is not a subrange.
13907 2008-07-14  Martin Jambor  <mjambor@suse.cz>
13909         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
13911 2008-07-14  Richard Guenther  <rguenther@suse.de>
13913         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
13915 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
13917         PR target/36745
13918         * config/s390/s390.c (s390_secondary_reload): Add a secondary
13919         reload for symbol refs moved to r0 with -fPIC.
13920         (legitimize_pic_address): Use the target register as temporary
13921         reg if possible.
13922         (emit_symbolic_move): Adjust comment.
13923         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
13924         New expanders.
13926 2008-07-14  Ben Elliston  <bje@au.ibm.com>
13928         * c-common.h (C_CPP_HASHNODE): New macro.
13929         * coretypes.h (struct cpp_token): Forward declare.
13930         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
13931         the context-sensitive keyword method.
13932         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
13933         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
13934         expand_bool_pixel): New.
13935         (altivec_categorize_keyword): New function.
13936         (init_vector_keywords): New function.
13937         (rs6000_macro_to_expand): Likewise.
13938         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
13939         compiling an ISO C dialect.
13941 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
13943         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
13944         (create_expression_by_pieces): Fix typo.
13945         (do_regular_insertion): Use debug counter here too.
13947 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
13949         PR target/35492.
13950         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
13951         CONST_OK_FOR_LETTER_P.  All port-local users changed.
13952         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
13953         implement Kp matching power-of-two.
13954         (CONSTRAINT_LEN): Define to match.
13955         * config/cris/cris.md: Replace all use of constraint K with Kc.
13956         ("*btst*): Use Kp for operand 0 of last alternative.
13958 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13960         PR testsuite/36440
13961         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
13962         and quad formats.
13964 2008-07-13  Jan Hubicka  <jh@suse.cz>
13966         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
13967         to be mangled too.
13969 2008-07-13  Richard Guenther  <rguenther@suse.de>
13971         PR middle-end/36811
13972         * langhooks.c (lhd_print_error_function): Deal with recursive
13973         BLOCK trees.
13975 2008-07-12  Jan Hubicka  <jh@suse.cz>
13977         * cgraph.c (assembler_name_hash): New static var.
13978         (hash_node_by_assembler_name, eq_assembler_name): New.
13979         (cgraph_node_for_asm): Use hashtable.
13980         (cgraph_remove_node): Maintain hashtable.
13981         (change_decl_assembler_name): Sanity check that names are not changing
13982         after aliasing was processed.
13983         * cgraph.h (varpoon_node): Add next GGC marker.
13984         * tree.c (decl_assembler_name_equal): Constify.
13985         (decl_assembler_name_hash): New.
13986         * tree.h (decl_assembler_name_equal): Constify.
13987         (decl_assembler_name_hash): Update.
13989 2008-07-12  David Daney  <ddaney@avtrex.com>
13991         * config/mips/driver-native.c (host_detect_local_cpu): Handle
13992         sb1 and r5000 cpus.
13994 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
13996         * doc/md.texi: Document the MIPS "v" constraint.
13997         * config/mips/mips.h (reg_class): Revert last change.
13998         (REG_CLASS_NAMES): Likewise.
13999         (REG_CLASS_CONTENTS): Likewise.
14000         * config/mips/mips.c (mips_regno_to_class): Likewise.
14001         * config/mips/constraints.md (v): Likewise, but add documentation.
14002         Add a comment to say that this constraint should not be used in
14003         gcc code.
14005 2008-07-11  DJ Delorie  <dj@redhat.com>
14007         * config/h8300/h8300.md (length): Fix branch offset limit.
14009 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
14011         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
14012         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
14013         (avr_hard_regno_scratch_ok): New function.
14014         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
14015         * config/avr/avr.md (all peepholes that request a scratch register):
14016         Remove avr_peep2_scratch_safe use.
14018 2008-07-11  Tom Tromey  <tromey@redhat.com>
14019             Ian Lance Taylor  <iant@google.com>
14021         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
14022         (struct c_common_resword): Define.
14023         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
14024         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
14025         (c_common_reswords, num_c_common_reswords): Declare.
14026         * c-common.c (c_common_reswords): New global const array.
14027         (num_c_common_reswords): New const int.
14028         * c-parser.c (struct resword, reswords): Don't define.
14029         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
14030         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
14031         than reswords.  If warning about C++ keywords, give them a special
14032         RID code.
14033         (c_lex_one_token): Warn about C++ keywords.  Call
14034         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
14035         (c_parser_external_declaration): Look for RID_xxx rather than
14036         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
14037         (c_parser_statement_after_labels): Likewise.
14038         (c_parser_objc_class_instance_variables): Likewise.
14039         (c_parser_objc_class_declaration): Likewise.
14040         (c_parser_objc_try_catch_statement): Likewise.
14041         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
14042         (declspecs_add_type): Likewise.
14044 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
14046         * ggc-page.c (alloc_page):
14047         Substituting xmalloc, xcalloc with
14048         XNEWVEC and XCNEWVAR macros which add the
14049         needed casts.
14051 2008-07-11  Richard Guenther  <rguenther@suse.de>
14053         PR tree-optimization/36765
14054         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
14055         aliases from HEAP vars to SMTs.
14057 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14059         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
14060         * configure.ac (loose_warn): Move -Wc++-compat from here...
14061         (strict_warn): ...to here.
14062         * configure: Regenerate.
14064 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
14066         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
14067         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
14068         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
14069         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
14070         excluding more specific h8300-*-* and sh-*-* targets.
14072 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
14074         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
14075         (eliminate): Ditto.
14076         (execute_pre): Call loop_optimizer_finalize in early exit.
14078 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
14080         PR middle-end/36790
14081         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
14082         uids in the bitmap, not just VAR_DECL uids.
14084         PR rtl-optimization/36419
14085         * combine-stack-adj.c (adjust_frame_related_expr): New function.
14086         (combine_stack_adjustments_for_block): Call it if needed.  Delete
14087         correct insn.
14088         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
14089         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
14090         prologue sp adjustment.
14092 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
14094         PR other/28322
14095         * opts.c (print_ignored_options): Report postponed diagnostics for
14096         unknown -Wno-* options as warnings, not errors.
14097         (postpone_unknown_option_error): Renamed to...
14098         (postpone_unknown_option_warning): ... this.
14100 2008-07-09  Doug Kwan  <dougkwan@google.com>
14102         Revert:
14103         2008-07-08  Doug Kwan  <dougkwan@google.com>
14105         * config/arm/arm.opt (mandroid): New option.
14106         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
14107         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
14108         (CC1_SPEC): Same.
14109         (CC1PLUS_SPEC): Same.
14110         (LIB_SPEC): Same.
14111         (STARTFILE_SPEC): Same.
14112         (ENDFILE_SPEC): Same.
14113         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
14114         used.
14116 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
14118         PR target/35802
14119         * config/mips/mips.h (reg_class): Remove V1_REG.
14120         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
14121         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
14122         instead of V1_REGS.
14123         (mips_get_tp): New function.
14124         (mips_legitimize_tls_address): Use it.
14125         * config/mips/constraints.md (v): Delete.
14126         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
14127         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
14128         After reload, split into a move and ...
14129         (*tls_get_tp_<mode>_split): ...this new instruction.
14131 2008-07-09  David Daney  <ddaney@avtrex.com>
14133         * config/mips/driver-native.c: Include coretypes.h and tm.h.
14135 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
14137         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
14138         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
14139         Add c argument.
14140         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
14141         htab_delete should be called.  Don't free c.
14142         (lookup_tmp_var): Create temp_htab lazily.
14143         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
14144         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
14145         callers.
14146         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
14147         lower_omp_ordered, lower_omp_critical, lower_omp_for,
14148         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
14149         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
14150         * tree-sra.c (generate_element_init): Likewise.
14151         * tree-mudflap.c (execute_mudflap_function_ops,
14152         execute_mudflap_function_decls): Likewise.
14153         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
14154         * tree-gimple.h (struct gimplify_ctx): New type.
14155         (push_gimplify_context): Adjust prototype.
14157 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
14159         * tree-ssa-pre.c (phi_translate_1): Update placement of
14160         add_to_value calls.
14162 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
14164         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
14165         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
14166         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
14167         * targhooks.c (default_hard_regno_scratch_ok): New function.
14168         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
14169         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
14170         * recog.c:  Include "target.h".
14171         (peep2_find_free_register): Add check for global regs. Add target
14172         specific check.
14173         * Makefile.in (recog.o): Depend on target.h.
14175 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
14177         * config/sh/sh.c (sh_canonical_va_list_type): New.
14178         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
14180 2008-07-09  Raksit Ashok  <raksit@google.com>
14182         * doc/invoke.texi (Option Summary): Mention new option
14183         -Wdisallowed-function-list=...
14184         (Warning Options): Document -Wdisallowed-function-list=...
14185         * common.opt (Wdisallowed-function-list=): New flag.
14186         * flags.h (warn_disallowed_functions): External definition of new
14187         boolean warning flag.
14188         (warn_if_disallowed_function_p): Declare new function.
14189         * opts.c (warning_disallowed_functions): New static variable.
14190         (warn_disallowed_functions): New boolean warning flag.
14191         (warn_if_disallowed_function_p): New function.
14192         (add_comma_separated_to_vector): Rename
14193         add_instrument_functions_exclude_list to this.
14194         (common_handle_option): Handle new option. Rename calls to
14195         add_instrument_functions_exclude_list into calls to
14196         add_comma_separated_to_vector.
14197         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
14198         based on flag warn_disallowed_functions.
14200 2008-07-09  Christian Bruel  <christian.bruel@st.com>
14202         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
14203          instead of get_attr_length.
14205 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14207         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
14208         keywords.
14209         * genemit.c (gen_insn): Likewise.
14210         * gengtype.c (note_def_vec): Likewise.
14211         * gengtype.h (note_def_vec): Likewise.
14212         * genoutput.c (struct data, output_insn_data, process_template,
14213         gen_expand, gen_split, note_constraint): Likewise.
14214         * genrecog.c (new_decision, add_to_sequence, factor_tests,
14215         make_insn_sequence): Likewise.
14216         * gensupport.c (record_insn_name): Likewise.
14218 2008-07-08  Doug Kwan  <dougkwan@google.com>
14220         * config/arm/arm.opt (mandroid): New option.
14221         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
14222         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
14223         (CC1_SPEC): Same.
14224         (CC1PLUS_SPEC): Same.
14225         (LIB_SPEC): Same.
14226         (STARTFILE_SPEC): Same.
14227         (ENDFILE_SPEC): Same.
14228         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
14229         used.
14231 2008-07-08  Raksit Ashok  <raksit@google.com>
14233         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
14234         (set_storage_via_setmem): Fix expected_align parameter.
14235         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
14236         missing from the list.
14237         * doc/md.texi (movmem): Explicitly state that expected alignment is
14238         to be expressed in bytes.
14239         (setmem): Explicitly state that expected alignment is to be expressed
14240         in bytes.
14242 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
14244         * reload.c (find_reloads_subreg_address): Do not require validity
14245         of address in original mode before reloading address.
14247 2008-07-07  Tianwei Sheng  <tianweis@google.com>
14249         * df-core.c (df_remove_problem): Adjust the access to avoid out of
14250         bounds array access.
14252 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
14254         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
14256 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
14258         Fix PR tree-optimization/23455
14259         Fix PR tree-optimization/35286
14260         Fix PR tree-optimization/35287
14261         * Makefile.in (OBJS-common): Remove tree-vn.o.
14262         (tree-vn.o): Remove.
14263         * dbgcnt.def: Add treepre_insert debug counter.
14264         * gcc/tree-flow.h (add_to_value): Updated for other changes.
14265         (debug_value_expressions): Ditto.
14266         (print_value_expressions): Ditto.
14267         * tree-pretty-print.c (dump_generic_node): Updated for
14268         VALUE_HANDLE removal.
14269         * tree-ssa-dom.c (record_equality): Ditto.
14270         (cprop_operand): Ditto.
14271         (lookup_avail_expr): Ditto.
14272         * tree-ssa-threadedge.c
14273         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
14274         (simplify_control_stmt_condition): Ditto.
14275         * tree.c (tree_code_size): Ditto.
14276         (tree_node_structure): Ditto.
14277         (iterative_hash_expr): Ditto.
14278         * tree.def: Ditto.
14279         * tree.h (VALUE_HANDLE_ID): Ditto.
14280         (VALUE_HANDLE_EXPR_SET): Ditto.
14281         (struct tree_value_handle): Ditto.
14282         (union tree_node): Ditto.
14283         * treestruct.def: Ditto.
14284         * tree-vn.c: Removed.
14285         * tree-ssa-pre.c: Rewritten entirely.
14286         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
14287         (constant_value_ids): Ditto.
14288         (vn_nary_op_t): Moved to header.
14289         (vn_phi_t): Ditto.
14290         (vn_reference_op_t): Ditto
14291         (vn_reference_t): Ditto.
14292         (next_value_id): New variable.
14293         (VN_INFO): Add an assert.
14294         (vn_constant_eq): New function.
14295         (vn_constant_hash): Ditto.
14296         (get_or_alloc_constant_value_id): Ditto.
14297         (value_id_constant_p): Ditto.
14298         (vn_reference_compute_hash): De-staticify.
14299         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
14300         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
14301         (valueize_refs): Update opcode if it changes from ssa name to constant.
14302         (vn_reference_lookup_1): Add new argument.
14303         (vn_reference_lookup):  Ditto.
14304         (vn_reference_lookup_pieces): New function.
14305         (vn_reference_insert): Add return type. Modify to deal with value ids.
14306         (vn_reference_insert_pieces):  New function.
14307         (vn_nary_op_compute_hash): De-staticify.
14308         (vn_nary_op_eq): Ditto.
14309         (vn_nary_op_lookup_pieces): New function.
14310         (vn_nary_op_lookup): Add new argument.
14311         (vn_nary_op_insert_pieces): New function.
14312         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
14313         (vn_phi_insert): Ditto.
14314         (visit_unary_op): Update for callee changes.
14315         (visit_binary_op): Ditto.
14316         (visit_reference_op_load): Ditto.
14317         (visit_reference_op_store): Ditto.
14318         (init_scc_vn): Init next_value_id, constant_to_value_id and
14319         constant_value_ids.
14320         (free_scc_vn): Free them.
14321         (set_hashtable_value_ids): New function.
14322         (run_scc_vn): Use it.
14323         (get_max_value_id): New function.
14324         (get_next_value_id): Ditto.
14325         (expressions_equal_p): Moved from tree-vn.c
14326         (sort_vuses): Ditto.
14327         (sort_vuses_heap): Ditto.
14328         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
14329         above).
14330         * tree.c (iterative_hash_hashval_t): Made non-static
14331         * tree.h (iterative_hash_hashval_t): Declare it.
14333 2008-07-08  Martin Jambor  <mjambor@suse.cz>
14335         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
14336         instead of ipa_create_node_params.
14337         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
14338         ipa_check_create_edge_args, free them with
14339         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
14341         * ipa-prop.c: Include flags.h and tree-inline.h.
14342         (ipa_node_params_vector): New variable.
14343         (ipa_edge_args_vector): New variable.
14344         (edge_removal_hook_holder): New variable.
14345         (node_removal_hook_holder): New variable.
14346         (edge_duplication_hook_holder): New variable.
14347         (node_duplication_hook_holder): New variable.
14348         (ipa_detect_param_modifications): Check for presence of modified flags.
14349         (ipa_compute_jump_functions): Check for presence of jump functions.
14350         (ipa_free_edge_args_substructures): New function.
14351         (ipa_create_node_params): Removed.
14352         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
14353         (ipa_free_node_params_substructures): New function.
14354         (ipa_free_all_node_params): Changed to deallocate the on-the-side
14355         vector.
14356         (ipa_edge_removal_hook): New function.
14357         (ipa_node_removal_hook): New function.
14358         (duplicate_array): New function.
14359         (ipa_edge_duplication_hook): New function.
14360         (ipa_node_duplication_hook): New function.
14361         (ipa_register_cgraph_hooks): New function.
14362         (ipa_unregister_cgraph_hooks): New function.
14363         (free_all_ipa_structures_after_ipa_cp): New function.
14365         * ipa-prop.h: Include vec.h.
14366         (ipa_node_params_t): New typedef with vector types for it.
14367         (ipa_edge_args_t):  New typedef with vector types for it.
14368         (IPA_NODE_REF): Changed to access an on-the-side vector.
14369         (IPA_EDGE_REF): Changed to access an on-the-side vector.
14370         (ipa_check_create_node_params): New function.
14371         (ipa_check_create_edge_args): New function.
14373         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
14374         all users.
14376 2008-07-07  Tom Tromey  <tromey@redhat.com>
14378         * configure, config.in: Rebuilt.
14379         * configure.ac: Don't check for scandir or alphasort.
14381 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
14383         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
14384         types immediately after creating them.
14386 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
14388         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
14390 2008-07-07  Fernando Pereira  <fernando@cs.ucla.edu>
14392         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
14393         dump_constraint_graph.
14394         (dump_constraint_edge): New function.
14395         (dump_constraint_graph): New function.
14396         (debug_constraint_graph): New function.
14397         (dump_constraint): Removed useless comparison.
14398         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
14399         (dump_constraint_graph): Declare.
14400         (debug_constraint_graph): Declare.
14401         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
14403 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
14405         * config/i386/i386.c (is_va_list_char_pointer): New.
14406         (ix86_va_start): Replace compare with ms_va_list_type_node
14407         by is_va_list_char_pointer.
14408         (ix86_gimplify_va_arg): Likewise.
14410 2008-07-07  Martin Jambor  <mjambor@suse.cz>
14412         * cgraph.c (cgraph_edge_max_uid): New variable.
14413         (struct cgraph_edge_hook_list): New type.
14414         (struct cgraph_node_hook_list): New type.
14415         (struct cgraph_2edge_hook_list): New type.
14416         (struct cgraph_2node_hook_list): New type.
14417         (first_cgraph_edge_removal_hook): New variable.
14418         (first_cgraph_node_removal_hook): New variable.
14419         (first_cgraph_edge_duplicated_hook): New variable.
14420         (first_cgraph_node_duplicated_hook): New variable.
14421         (cgraph_add_edge_removal_hook): New function.
14422         (cgraph_remove_edge_removal_hook): New function.
14423         (cgraph_call_edge_removal_hooks):  New function.
14424         (cgraph_add_node_removal_hook):  New function.
14425         (cgraph_remove_node_removal_hook):  New function.
14426         (cgraph_call_node_removal_hooks):  New function.
14427         (cgraph_add_edge_duplication_hook):  New function.
14428         (cgraph_remove_edge_duplication_hook):  New function.
14429         (cgraph_call_edge_duplication_hooks):  New function.
14430         (cgraph_add_node_duplication_hook):  New function.
14431         (cgraph_remove_node_duplication_hook):  New function.
14432         (cgraph_call_node_duplication_hooks):  New function.
14433         (cgraph_create_edge): Assign to edge uid.
14434         (cgraph_remove_edge): Call edge removal hooks.
14435         (cgraph_node_remove_callees): Call edge removal hooks.
14436         (cgraph_node_remove_callers): Call edge removal hooks.
14437         (cgraph_remove_node): Call node removal hooks.
14438         (cgraph_clone_edge): Call edge duplication hooks.
14439         (cgraph_clone_node): Call node duplication hooks.
14441         * cgraph.h (cgraph_edge): New field uid.
14442         (cgraph_edge_hook): New type.
14443         (cgraph_node_hook): New type.
14444         (cgraph_2edge_hook): New type.
14445         (cgraph_2node_hook): New type.
14447 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
14449         * config.in: Regenerate.
14451 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
14453         * gcc.c (print_sysroot): New.
14454         (option_map, display_help, process_command): Handle the
14455         -print-sysroot option.
14456         (main): Print the sysroot if requested.
14457         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
14459 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14461         PR target/34780
14462         * unwind-pe.h (size_of_encoded_value): add attribute unused.
14464 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
14466         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
14467         (assign_parm_setup_block_p): Also check mode of entry_parm.
14469 2008-07-07  Richard Guenther  <rguenther@suse.de>
14471         * tree-ssa-structalias.h (set_used_smts): Remove.
14472         * tree-ssa-structalias.c (used_smts): Likewise.
14473         (set_used_smts): Likewise.
14474         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
14475         call to set_used_smts.
14477 2008-07-07  Richard Guenther  <rguenther@suse.de>
14479         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
14480         (new_var_info): Set it to false.
14481         (solution_set_add): Correctly handle pointers outside a var and
14482         inside a field.
14483         (type_safe): Treat variables with is_full_var properly.
14484         (do_sd_constraint): Likewise.
14485         (do_ds_constraint): Likewise.
14486         (process_constraint): Remove zeroing offset for !use_field_sensitive.
14487         (get_constraint_for_ptr_offset): New function.
14488         (get_constraint_for_component_ref): For addresses at least include
14489         the last field of the variable.  Handle is_full_vars properly.
14490         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
14491         (handle_ptr_arith): Remove.
14492         (find_func_aliases): Simplify assignment handling.
14493         (create_function_info_for): For parameter and result varinfos set
14494         is_full_var flag.
14495         (create_variable_info_for): Set is_full_var flag whenever we
14496         just created a single varinfo for a decl.
14497         (init_alias_vars): Initialize use_field_sensitive from
14498         max-fields-for-field-sensitive parameter.
14500 2008-07-07  Richard Guenther  <rguenther@suse.de>
14502         PR tree-optimization/36713
14503         * tree-flow-inline.h (is_call_used): New function.
14504         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
14505         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
14506         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
14508 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
14510         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
14512 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
14514         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
14516 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
14517             Nathan Sidwell  <nathan@codesourcery.com>
14519         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
14520         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
14521         tmake_file.
14522         * config/m68k/t-linux: New.
14523         * doc/install.texi: Document m68k-*-linux is now multilibbed by
14524         default.
14526 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
14528         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
14529         * config/m68k/m68k-devices.def: Remove multilibs that only differ
14530         by MAC/EMAC.
14532 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14534         * gcc.c (execute): Fix -Wc++-compat warning.
14536 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
14538         PR target/36720
14539         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
14540         constant for little endian.
14542 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
14544         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
14545         mips_base_mips16 instead of TARGET_MIPS16.
14546         (mips_base_mips16): Declare.
14547         * config/mips/mips.c (mips_base_mips16): Make global.
14548         (was_mips16_p): Remove GTY marker.
14549         (was_mips16_pch_p): New variable.
14550         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
14551         (mips_override_options): Force to non-MIPS16 mode initially.
14552         Do not complain about MIPS16 PIC incompatibilities here.
14553         Only allow -mgpopt if -mexplicit-relocs is in force for
14554         non-MIPS16 code.
14556 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
14558         * configure.ac: Check for caddr_t, define to char * if not defined.
14559         * configure: Regenerate.
14560         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
14561         (mmap_gt_pch_use_address): Likewise.
14562         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
14564 2008-07-06  Richard Guenther  <rguenther@suse.de>
14566         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
14567         (new_var_info): Deal with it.
14568         (solution_set_add): Likewise.
14569         (bitpos_of_field): Make signed, fix.
14570         (struct fieldoff): Remove type and decl fields.  Make size field
14571         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
14572         flags.
14573         (fieldoff_compare): Deal with it.
14574         (push_fields_onto_fieldstack): Remove has_union argument, glob
14575         adjacent non-pointer fields together.
14576         (create_function_info_for): Do not set has_union.
14577         (create_variable_info_for): Simplify.
14579 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
14581         * config.gcc (extra_headers): Add cross-stdarg.h for target
14582         x86_64-*-* and i?86-*-*.
14583         * config/i386/cross-stdarg.h: New.
14584         * builtins.c (std_fn_abi_va_list): New.
14585         (std_canonical_va_list_type): New.
14586         (stabilize_va_list): Replace va_list_type_node use by
14587         mtarget.canonical_va_list_type.
14588         (gimplify_va_arg_expr): Likewise.
14589         (expand_builtin_va_copy): Replace va_list_type_node use by
14590         mtarget.fn_abi_va_list.
14591         * tree-sra.c (is_va_list_type): New helper.
14592         (decl_can_be_decomposed_p): Replace
14593         va_list_type_node use by is_va_list_type.
14594         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
14595         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
14596         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
14597         * config/i386/i386-protos.h (ix86_get_valist_type): New.
14598         (ix86_enum_va_list): New.
14599         * config/i386/i386.c (sysv_va_list_type_node): New.
14600         (ms_va_list_type_node): New.
14601         (ix86_function_type_abi): Remove sorry.
14602         (ix86_build_builtin_va_list_abi): New.
14603         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
14604         for 64-bit targets.
14605         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
14606         (ix86_init_builtins_va_builtins_abi): New.
14607         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
14608         for 64-bit targets.
14609         (ix86_handle_abi_attribute): New.
14610         (attribute_spec): Add sysv_abi and ms_abi.
14611         (ix86_fn_abi_va_list): New.
14612         (ix86_canonical_va_list_type): New.
14613         (ix86_enum_va_list): New.
14614         (TARGET_FN_ABI_VA_LIST): New.
14615         (TARGET_CANONICAL_VA_LIST_TYPE): New.
14616         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
14617         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
14618         (TARGET_CANONICAL_VA_LIST_TYPE): New.
14619         (TARGET_ENUM_VA_LIST): New.
14620         * expr.h (std_fn_abi_va_list): New.
14621         (std_canonical_va_list_type): New.
14622         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
14623         (TARGET_CANONICAL_VA_LIST_TYPE): New.
14624         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
14625         TARGET_CANONICAL_VA_LIST_TYPE.
14626         * target.h (struct gcc_target): Add fn_abi_va_list hook
14627         and canonical_va_list_type hook.
14629 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14631         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
14632         integral and pointer types.
14634 2008-07-04  Roger Sayle  <roger@eyesopen.com>
14636         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
14637         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
14639 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
14641         PR target/36684
14642         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
14644 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
14646         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
14647         build_gimple_modify_stmt.
14648         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
14649         gimple operand.  Use fold_build* instead of build*.
14651 2008-07-04  Richard Guenther  <rguenther@suse.de>
14653         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
14654         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
14655         properly to compute the reachability set if we do field-sensitive PTA.
14656         * invoke.texi (max-fields-for-field-sensitive): Document default.
14657         * opts.c (decode_options): Set max-fields-for-field-sensitive to
14658         100 for optimize >= 2.
14660 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14662         * ggc-zone.c (lookup_page_table_if_allocated,
14663         set_page_table_entry, zone_find_object_size, alloc_small_page,
14664         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
14665         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
14666         -Wc++-compat and/or -Wcast-qual warnings.
14668 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
14670         PR target/36634
14671         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
14672         pic_offset_table_rtx to be marked as used here.
14673         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
14674         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
14675         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
14676         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
14677         !TARGET_SECURE_PLT.
14679 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14681         * alloc-pool.c (hash_descriptor, eq_descriptor,
14682         alloc_pool_descriptor): Fix -Wc++-compat warnings.
14683         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
14684         Likewise.
14685         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
14686         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
14687         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
14688         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
14689         Likewise.
14691 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
14693         * tree-flow.h (loop_only_exit_p): Declare.
14694         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
14695         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
14696         the number of iterations if it is constant.  Otherwise, if this is the
14697         only possible exit of the loop, use the conservative estimate on the
14698         number of iterations of the entire loop if available.
14700 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
14702         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
14703         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
14704         Add synchronization functions.
14705         * config/sync.c: New file.
14706         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
14707         (LIBGCC_SYNC_CFLAGS): Likewise.
14709 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
14711         PR target/36710
14712         * config/i386/i386.md (mode): Add TF to "mode" attribute.
14713         (*pushtf_sse): New insn pattern.
14714         (pushtf splitters): New splitters.
14716 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
14718         PR middle-end/35736
14719         * predict.c (build_predict_expr): Use void_type_node for the tree
14720         type, instead of NULL_TREE.
14722 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
14724         * config/i386/i386.c (contains_aligned_value_p): Return true
14725         for TCmode.
14726         (ix86_data_alignment): Align TCmode to 128bits.
14727         (ix86_local_alignment): Likewise.
14729 2008-07-03  Andrew Haley  <aph@redhat.com>
14731         PR bootstrap/33304
14732         * vec.h (VEC_TA): New.
14733         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
14734         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
14735         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
14736         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
14737         (C_COMMON_FIXED_TYPES): Remove first arg.
14738         (C_COMMON_FIXED_MODE_TYPES): Likewise.
14739         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
14740         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
14741         not to use empty macro arguments.
14743 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
14745         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
14746         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
14747         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
14748         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
14749         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
14750         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
14751         config/ia64/crtn.asm, config/m68hc11/larith.asm,
14752         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
14753         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
14754         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
14755         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
14756         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
14757         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
14758         config/rs6000/e500crtres64gpr.asm,
14759         config/rs6000/e500crtres64gprctr.asm,
14760         config/rs6000/e500crtrest32gpr.asm,
14761         config/rs6000/e500crtrest64gpr.asm,
14762         config/rs6000/e500crtresx32gpr.asm,
14763         config/rs6000/e500crtresx64gpr.asm,
14764         config/rs6000/e500crtsav32gpr.asm,
14765         config/rs6000/e500crtsav64gpr.asm,
14766         config/rs6000/e500crtsav64gprctr.asm,
14767         config/rs6000/e500crtsavg32gpr.asm,
14768         config/rs6000/e500crtsavg64gpr.asm,
14769         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
14770         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
14771         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
14772         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
14773         config/sparc/sol2-cn.asm: Remove .file directives.
14775 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
14777         * resource.c (mark_referenced_resources): Look inside
14778         UNSPEC_VOLATILEs and ASM_INPUTs.
14780 2008-07-02  Ian Lance Taylor  <iant@google.com>
14782         * rtlanal.c (add_reg_note): New function.
14783         * rtl.h (add_reg_note): Declare.
14784         * auto-inc-dec.c (attempt_change): Use add_reg_note.
14785         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
14786         * builtins.c (expand_builtin_longjmp): Likewise.
14787         (expand_builtin_nonlocal_goto): Likewise.
14788         * calls.c (emit_call_1, expand_call): Likewise.
14789         * cfgexpand.c (add_reg_br_prob_note): Likewise.
14790         * cfglayout.c (fixup_reorder_chain): Likewise.
14791         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
14792         (commit_one_edge_insertion): Likewise.
14793         * combine.c (move_deaths, distribute_notes): Likewise.
14794         * df-problems.c (df_set_note): Likewise.
14795         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
14796         (set_unique_reg_note): Likewise.
14797         (emit_copy_of_insn_after): Likewise.
14798         * expr.c (expand_expr_real): Likewise.
14799         * gcse.c (add_label_notes): Likewise.
14800         * haifa-sched.c (create_check_block_twin): Likewise.
14801         * jump.c (mark_jump_label_1): Likewise.
14802         * loop-doloop.c (add_test, doloop_modify): Likewise.
14803         * loop-unswitch.c (compare_and_jump_seq): Likewise.
14804         * lower-subreg.c (move_eh_region_note): Likewise.
14805         * optabs.c (emit_libcall_block): Likewise.
14806         * predict.c (predict_insn): Likewise.
14807         (combine_predictions_for_insn): Likewise.
14808         * recog.c (peephole2_optimize): Likewise.
14809         * regmove.c (try_auto_increment): Likewise.
14810         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
14811         * reload.c (find_reloads): Likewise.
14812         * reload1.c (fixup_eh_region_note): Likewise.
14813         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
14814         * reorg.c (delete_prior_computation): Likewise.
14815         (delete_computation, dbr_schedule): Likewise.
14816         * config/pa/pa.c (legitimize_pic_address): Likewise.
14817         * config/sh/sh.c (sh_reorg): Likewise.
14819 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
14821         PR target/36669
14822         * config/libgcc-glibc.ver: Add %exclude.
14823         * config/m32r/libgcc-glibc.ver: Likwise.
14824         * config/s390/libgcc-glibc.ver: Likwise.
14825         * config/sh/libgcc-glibc.ver: Likwise.
14826         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
14828         * config/i386/libgcc-glibc.ver: New.
14830         * config/i386/libgcc-x86_64-glibc.ver: Removed.
14832 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
14834         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
14835         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
14836         i[34567]86-*-linux*, x86_64-*-linux*.  Add
14837         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
14838         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
14839         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
14840         i[34567]86-*-linux*, x86_64-*-linux*.
14842         * libgcc-std.ver: Add empty GCC_4.4.0.
14844         * mkmap-symver.awk: Support multiple versions per symbol.
14846         * config/i386/i386.c (ix86_init_builtins): Always define
14847         __builtin_fabsq and __builtin_copysignq with fallbacks.
14848         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
14849         and __builtin_copysignq if SSE2 isn't available.
14851         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
14852         (LIBGCC2_TF_CEXT): Likwise.
14853         (TF_SIZE): Likwise.
14855         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
14857         * config/i386/sfp-machine.h: Moved to libgcc.
14859         * config/i386/sfp-machine.h: New.
14860         * config/i386/t-linux: Likwise.
14862         * config/i386/t-darwin: Remove softfp_wrap_start and
14863         softfp_wrap_end.
14864         * config/i386/t-darwin64: Likewise.
14866         * config/i386/t-fprules-softfp64: Renamed to ...
14867         * config/i386/t-fprules-softfp: This.
14869         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
14870         and softfp_wrap_end.
14872 2008-07-02  Jason Merrill  <jason@redhat.com>
14874         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
14876         * tree.c (ctor_to_list): New fn.
14877         * tree.h: Declare it.
14878         (CONSTRUCTOR_ELT): New macro.
14879         (CONSTRUCTOR_NELTS): New macro.
14881 2008-07-02  Richard Guenther  <rguenther@suse.de>
14883         * tree-ssa-structalias.c (struct variable_info): Reorder
14884         to fill padding on 64bit hosts.  Make collapsed_to an int.
14885         (get_varinfo_fc): Deal with that.
14886         (new_var_info): Likewise.
14887         (collapse_rest_of_var): Likewise.
14889 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
14891         * doc/install.texi (--enable-java-home): Document.
14892         (--enable-aot-compile-rpm): Likewise.
14893         (--with-arch-directory): Likewise.
14894         (--with-os-directory): Likewise.
14895         (--with-origin-name): Likewise.
14896         (--with-arch-suffix): Likewise.
14897         (--with-jvm-root-dir): Likewise.
14898         (--with-jvm-jar-dir): Likewise.
14899         (--with-python-dir): Likewise.
14901 2008-07-02  Richard Guenther  <rguenther@suse.de>
14903         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
14904         from decls explicitly.  Merge operand checking from tuples.
14906 2008-07-02  Martin Jambor  <mjambor@suse.cz>
14908         * tree-switch-conversion.c: Included timevar.h which I forgot before.
14910 2008-07-02  Martin Jambor  <mjambor@suse.cz>
14912         * tree-switch-conversion.c: Included timevar.h
14913         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
14915         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
14917 2008-07-02  Martin Jambor  <mjambor@suse.cz>
14919         * tree-switch-conversion.c: Corrected various comments and
14920         whitespace issues
14921         (build_constructors): Fixed minor formatting mistakes.
14923         * invoke.texi (Optimize Options): Corrected the
14924         switch-conversion-max-branch-ratio parameter.
14926 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
14928         * final.c (asm_insn_count): Return zero for an empty asm body.
14930 2008-07-02  Richard Guenther  <rguenther@suse.de>
14932         * bitmap.h (bitmap_set_bit): Return bool.
14933         (bitmap_clear_bit): Likewise.
14934         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
14935         write to the bitmap if it would.
14936         (bitmap_clear_bit): Likewise.
14937         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
14938         bitmap_set_bit return value.
14939         (add_pred_graph_edge): Likewise.
14940         (add_graph_edge): Likewise.
14941         (do_sd_constraint): Likewise.
14942         (do_ds_constraint): Likewise.
14944 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14946         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
14947         Fix -Wc++-compat and/or -Wcast-qual warnings.
14948         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
14949         gen_regparm_prefix): Likewise.
14950         * vmsdbgout.c (write_modbeg, lookup_filename,
14951         vmsdbgout_source_line, vmsdbgout_init): Likewise.
14953 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
14955         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
14956         defaults.h definition apply.
14958 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
14960         * function.c (assign_parm_remove_parallels): New.
14961         (assign_parm_setup_block_p): Do not return true for non-BLKmode
14962         PARALLELs.
14963         (assign_parm_setup_block): Do not handle them.
14964         (assign_parm_setup_reg, assign_parm_setup_stack): Call
14965         assign_parm_remove_parallels.
14967 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
14969         * c-typeck.c (convert_for_assignment): Use
14970         vector_targets_convertible_p.
14971         * c-common.c (vector_targets_convertible_p): New.
14972         * c-common.h (vector_targets_convertible_p): New prototype.
14973         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
14974         opaque_p_V2SI_type_node.
14976 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
14978         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
14979         RFmode constants.
14981 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
14983         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
14984         TFmode constants via two element DImode vector for hosts with
14985         HOST_BITS_PER_WIDE_INT < 64.
14986         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
14987         also for HOST_BITS_PER_WIDE_INT < 64.
14989 2008-07-01  Richard Guenther  <rguenther@suse.de>
14991         PR tree-optimization/36666
14992         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
14993         (get_constraint_exp_from_ssa_var): Split into ...
14994         (get_constraint_exp_for_temp): ... this ...
14995         (get_constraint_for_ssa_var): ... and that.
14996         Return constraint expressions for all touched sub-fields
14997         if the results address is not taken.
14998         (process_constraint): Remove assertion that aggregate
14999         assignments do not happen at this place.
15000         (get_constraint_for_component_ref): Add address_p argument.
15001         Return constraint expressions for all touched sub-fields
15002         if the results address is not taken.
15003         (do_deref): Use get_constraint_exp_for_temp.
15004         (get_constraint_for_1): Rename from ...
15005         (get_constraint_for): ... this.  Add the old function as wrapper.
15006         (do_structure_copy): Use get_constraint_for_1.
15008 2008-07-01  Martin Jambor  <mjambor@suse.cz>
15010         * Makefile.in (tree-switch-conversion.o): Add.
15011         (OBJS-common): Add tree-swtch-conversion.o.
15012         * passes.c (init_optimization_passes): Add pass_convert_switch.
15013         * tree-pass.h (pass_convert_switch): Add.
15014         * tree-switch-conversion.c: New file.
15015         * gcc.dg/tree-ssa/cswtch.c: New testcase.
15016         * common.opt (ftree-cswtch): New option.
15017         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
15018         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
15019         * opts.c (decode_options): Set flag_tree_switch_conversion when
15020         optimization level is >= 2.
15021         * doc/invoke.texi (Optimize Options): Added description of
15022         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
15024 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15026         * config/darwin-driver.c (darwin_default_min_version): Fix
15027         -Wc++-compat warnings.
15029 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
15031         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
15032         of operand 0.
15034 2008-06-30  Kenneth Zadeck  <zadeck@naturalbridge.com>
15036         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
15038 2008-06-30  Kenneth Zadeck  <zadeck@naturalbridge.com>
15040         PR rtl-optimization/34744
15041         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
15042         (df_scan_free_internal): Free data structures not
15043         allocated in storage pools.
15044         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
15045         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
15046         df_scan_free_mws_vec.
15047         * dse.c (dse_step6): Free offset_map_p and offset_map_n
15048         unconditionally.
15050 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
15052         * config/i386/i386.c (contains_aligned_value_p): Return true
15053         for __float128.
15054         (ix86_function_arg_boundary): Return its natural boundary
15055         for __float128.
15056         (return_in_memory_32): Don't check TDmode.
15057         (ix86_split_to_parts): Support splitting into 4 parts and
15058         support TFmode for 32bit target.
15059         (ix86_split_long_move): Support splitting into 4 parts.
15060         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
15061         for SSE2.
15062         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
15063         (ix86_init_builtins): Here.
15064         (ix86_scalar_mode_supported_p): Always return true for TFmode.
15065         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
15066         'q' and 'w', respectively.
15068         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
15069         TARGET_64BIT.
15070         (movtf_internal): Likewise.
15071         (<code>tf2): Likewise.
15072         (*absnegtf2_sse): Likewise.
15073         (copysign<mode>3): Likewise.
15074         (copysign<mode>3_const): Likewise.
15075         (copysign<mode>3_var): Likewise.
15076         (define_split UNSPEC_COPYSIGN): Likewise.
15077         * config/i386/sse.md (*nandtf3): Likewise.
15078         (<code>tf3): Likewise.
15079         (*<code>tf3): Likewise.
15081 2008-06-30  Joey Ye  <joey.ye@intel.com>
15082             H.J. Lu  <hongjiu.lu@intel.com>
15084         * global.c (compute_regsets): Set frame_pointer_needed here.
15085         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
15087 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
15089         * doc/install.texi (specific): Expand Windows build notes.
15091 2008-06-30  Ira Rosen  <irar@il.ibm.com>
15093         PR tree-optimization/36648
15094         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
15095         number of prolog iterations by step. Fix the comment.
15097 2008-06-30  Richard Guenther  <rguenther@suse.de>
15099         PR middle-end/36671
15100         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
15101         handle calls from ECF_MALLOC functions.
15102         (handle_pure_call): ECF_MALLOC functions do not return
15103         call-used memory.
15104         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
15106 2008-06-29  Andreas Schwab  <schwab@suse.de>
15108         * config/m68k/m68k.c (print_operand): Always print a float
15109         constant in hex.
15110         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
15111         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
15112         Remove macros.
15114         * config/rs6000/x-linux64: Remove never used file.
15116 2008-06-29  Richard Guenther  <rguenther@suse.de>
15118         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
15119         prototype.
15120         (struct alias_info): Move ...
15121         * tree-ssa-alias.c: ... here.
15122         (update_alias_info): Declare.
15123         (compute_may_aliases): Call it.
15124         (update_alias_info): New function.
15125         * tree-ssa-structalias.c (update_alias_info): Move ...
15126         * tree-ssa-alias.c (update_alias_info_1): ... here.
15127         * tree-ssa-structalias.c (process_constraint_1): Remove
15128         unused from_call argument.  Rename to ...
15129         (process_constraint): ... this.  Delete old wrapper.
15130         (make_constraint_to): Adjust callers.
15131         (handle_const_call): Likewise.
15132         (handle_pure_call): Likewise.
15133         (init_base_vars): Likewise.
15134         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
15135         (find_func_aliases): We don't need structure copies for
15136         complex types.
15137         (make_constraint_from_anything): Remove.
15138         (create_variable_info_for): For globals make constraints
15139         from escaped, not from anything.
15140         (compute_points_to_sets): Do not call update_alias_info.
15141         (ipa_pta_execute): Use make_constraint_from.
15143 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15145         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
15146         (bitmap.o-warn, dominance.o-warn): New.
15147         * configure.ac (cxx_compat_warn): Delete.
15148         (loose_warn): Add -Wcast-qual and -Wc++-compat.
15149         * system.h: Remove #pragma diagnostic for -Wcast-qual and
15150         -Wc++-compat.
15151         * configure: Regenerate.
15153         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
15154         warnings.
15156 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15158         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
15159         * df-scan.c (df_notes_rescan): Likewise.
15160         * ggc-page.c (set_page_table_entry): Likewise.
15161         * intl.c (gcc_gettext_width): Likewise.
15162         * varasm.c (get_unnamed_section, get_noswitch_section,
15163         get_section): Likewise.
15165 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
15167         * regrename.c (build_def_use): Don't copy RTX.
15169 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
15171         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
15172         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
15173         punctuation.  Use @ref instead of @xref.
15174         (Function Names): Remove stray @display/@end display.
15175         (C++ Attributes): Use @ref instead of @xref.
15176         (Deprecated Features): Fix punctuation around @xref.
15177         (Backwards Compatibility): Likewise.
15178         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
15180 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
15182         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
15183         constants for E500 double.
15185 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15187         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
15188         element type of const_vector.
15190 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
15192         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
15193         Remove FLAGS_REG clobber from expander pattern.
15194         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
15195         (anddi3, andsi3, andhi3, andqi3): Ditto.
15196         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
15197         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
15198         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
15199         (ashlsi3, ashlhi3, ashlqi3): Ditto.
15200         (ashrsi3, ashrhi3, ashrqi3): Ditto.
15201         (lshrsi3, lshrhi3, lshrqi3): Ditto.
15202         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
15203         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
15205 2008-06-28  Richard Guenther  <rguenther@suse.de>
15207         * tree-ssa-structalias.c (callused_id, var_callused,
15208         callused_tree): Add.
15209         (handle_pure_call): New function.
15210         (find_func_aliases): Call it.
15211         (find_what_p_points_to): Handle the call-used set.
15212         (clobber_what_escaped): Likewise.
15213         (compute_call_used_vars): New function.
15214         (init_base_vars): Init the call-used variable.
15215         (do_sd_constraint): Do not propagate the solution from CALLUSED
15216         but use CALLUSED as a placeholder.
15217         (solve_graph): Likewise.
15218         * tree-flow-inline.h (gimple_call_used_vars): New function.
15219         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
15220         (compute_call_used_vars): Declare.
15221         * tree-ssa-alias.c (set_initial_properties): Call
15222         compute_call_used_vars.
15223         (reset_alias_info): Clear call-used variables.
15224         (add_call_clobber_ops): Assert we are not called for const/pure
15225         functions.  Remove handling of them.
15226         (add_call_read_ops): Handle pure functions by adding the
15227         call-used set of variables as VUSEs.
15228         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
15229         (delete_tree_ssa): Free it.
15230         * tree-dfa.c (remove_referenced_var): Clear the var from the
15231         call-used bitmap.
15233 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
15235         * tree.c (build_varargs_function_type_list): New.
15236         (build_function_type_list_1): New.
15237         (build_function_type_list): Use build_function_type_list_1.
15238         * tree.h (build_varargs_function_type_list): New.
15240 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
15242         PR target/34856
15243         * config/spu/spu.c (spu_builtin_splats): Do not generate
15244         invalid CONST_VECTOR expressions.
15245         (spu_expand_vector_init): Likewise.
15247 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
15249         * optabs.c (libfunc_decls): New variable.
15250         (libfunc_decl_hash, libfunc_decl_eq): New functions.
15251         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
15252         for the same function twice.
15254 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
15256         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
15257         ix86_expand_binary_operator directly.
15258         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
15259         for operand 2.
15260         (*ashrti3_1): Ditto.
15261         (*lshrti3_1): Ditto.
15262         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
15263         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
15264         using only one splitter.  Conditionaly execute splitter before or
15265         after peephole2 pass.
15266         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
15267         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
15268         Use only one alternative in asm template.
15269         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
15270         in asm template.
15271         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
15272         "J" operand constraint for operand 2.
15273         (*ashldi3_cconly_rex64): Ditto.
15274         (*ashrdi3_cmp_rex64): Ditto.
15275         (*ashrdi3_cconly_rex64): Ditto.
15276         (*lshrdi3_cmp_rex64): Ditto.
15277         (*lshrdi3_cconly_rex64): Ditto.
15278         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
15279         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
15280         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
15281         gen_x86_shrd_1.
15283 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
15285         * gimplify.c (omp_is_private): Don't return true if decl is not
15286         already private on #pragma omp for or #pragma omp parallel for.
15288         PR debug/36617
15289         * tree-cfg.c (struct move_stmt_d): Replace block field with
15290         orig_block and new_block fields.
15291         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
15292         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
15293         (move_block_to_fn): Replace vars_map and new_label_map arguments
15294         with struct move_stmt_d pointer.
15295         (replace_block_vars_by_duplicates): New function.
15296         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
15297         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
15298         all subblocks of ORIG_BLOCK to the new function.  Call
15299         replace_block_vars_by_duplicates.
15300         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
15301         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
15302         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
15303         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
15304         (expand_omp): Temporarily set input_location to the location of
15305         region's controlling stmt.
15306         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
15307         BIND_EXPR, push ctx->block_vars and gimplification vars into
15308         the BIND_EXPR and its block's BLOCK_VARS instead of directly
15309         into dest function.
15310         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
15311         there are any BLOCK_VARS.
15312         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
15313         OMP_PARALLEL or OMP_TASK stmt.
15314         (lower_omp): Save and restore input_location around the lower_omp_1
15315         call.
15317 2008-06-27  Richard Guenther  <rguenther@suse.de>
15319         PR tree-optimization/36400
15320         PR tree-optimization/36373
15321         PR tree-optimization/36344
15322         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
15323         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
15324         (update_alias_info): Remove call clobbering code.
15325         (make_constraint_to): New helper function.
15326         (make_escape_constraint): Likewise.
15327         (handle_rhs_call): Use it on all pointer containing arguments.
15328         Also mark the static chain escaped.
15329         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
15330         instead of ANYTHING.
15331         (make_constraint_from): New helper split out from ...
15332         (make_constraint_from_anything): ... here.
15333         (find_func_aliases): Add constraints for escape sites.
15334         (intra_create_variable_infos): Make constraints from NONLOCAL
15335         for parameters.
15336         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
15337         as ANYTHING.
15338         (clobber_what_p_points_to): Remove.
15339         (clobber_what_escaped): New function.
15340         (init_base_vars): Init NONLOCAL and ESCAPED.
15341         (do_sd_constraint): Do not propagate the solution from ESCAPED
15342         but use ESCAPED as a placeholder.
15343         (solve_graph): Likewise.
15344         * tree-flow.h (clobber_what_p_points_to): Remove.
15345         (clobber_what_escaped): Declare.
15346         * tree-ssa-alias.c (set_initial_properties): Call it.
15347         Remove code clobbering escaped pointers.
15349 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
15351         * function.c (allocate_struct_function): Only allocate a unique
15352         funcdef_no if the decl is nonzero.
15354 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
15356         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
15357         * config/mips/mips.c (mips_split_const_insns): New function.
15358         * config/mips/mips.md (move_type): New attribute.
15359         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
15360         (dword_mode): New attribute.
15361         (type): Avoid long line.  Map "move_type"s to "type"s,
15362         choosing "multi" for doubleword moves if appropriate.
15363         Swap MTC/MFC comments to match their declaration order.
15364         (extended_mips16): Default to "yes" if "move_type" is "sll0",
15365         "type" is "branch" or "jal" is "direct".
15366         (length): Handle "extended_mips16" first.  Make the default
15367         "0" for "ghost" instructions.  Set the length from "move_type".
15368         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
15369         of "type", with "sll0" for the register alternative.  Remove the
15370         "extended_mips16" attribute.
15371         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
15372         of "type", with "shift_shift" for the register alternative.
15373         Remove the "length" attribute.
15374         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
15375         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
15376         of "type", with "andi" for the register alternative.
15377         (*zero_extendqihi2): Likewise.
15378         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
15379         of "andi" instead of a "type" of "arith".
15380         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
15381         instead of "type".
15382         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
15383         (mov_<store>r, *mov<mode>_ra): Likewise.
15384         (extendsidi2): Use "move_type" instead of "type", with "move"
15385         for the register alternative.
15386         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
15387         of "type", with "signext" for the register alternative.
15388         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
15389         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
15390         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
15391         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
15392         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
15393         (unnamed branch insn): Likewise.
15394         (*movdi_gp32_fp64): Fold into...
15395         (*movdi_32bit): ...here.
15396         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
15397         (*movdf_hardfloat): ...this new pattern.
15398         (*movdf_softfloat): Remove redundant FPR alternatives.
15399         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
15400         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
15401         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
15402         the "move" attribute.
15403         (*movdi_32bit): Use "move_type" instead of "type" and remove the
15404         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
15405         and "store" for COP loads and stores.
15406         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
15407         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
15408         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
15409         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
15410         (*movtf_mips16, *movv2sf): Likewise.
15411         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
15412         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
15413         (mfhc1<mode>): Use "move_type" instead of "move".
15414         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
15415         (loadgp_blockage): Remove the "length" attribute.
15416         (blockage, set_got_version, update_got_version): Likewise.
15417         (call_internal): Remove the "extended_mips16" attribute.
15418         (call_value_internal, call_value_multiple_internal): Likewise.
15419         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
15420         instead of "move".
15421         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
15422         the "length" attribute.
15424 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15426         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
15427         -Wcast-qual warnings.
15428         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
15429         handle_pragma_pop_macro): Likewise.
15430         * collect2.c (resolve_lib_name): Likewise.
15431         * config/arc/arc.c (arc_init): Likewise.
15432         * config/arm/arm.c (neon_builtin_compare,
15433         locate_neon_builtin_icode): Likewise.
15434         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
15435         * config/bfin/bfin.c (bfin_init_machine_status,
15436         bfin_optimize_loop): Likewise.
15437         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
15438         * config/cris/cris.c (cris_init_expanders): Likewise.
15439         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
15440         * config/darwin.c (machopic_indirection_eq,
15441         machopic_indirection_name, machopic_output_indirection): Likewise.
15442         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
15443         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
15444         frv_optimize_membar): Likewise.
15445         * config/i386/cygwin.h (mingw_scan,
15446         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
15447         * config/i386/cygwin1.c (mingw_scan): Likewise.
15448         * config/i386/i386.c (machopic_output_stub): Likewise.
15449         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
15450         i386_pe_unique_section): Likewise.
15451         * config/ia64/ia64.c (ia64_init_machine_status,
15452         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
15453         Likewise.
15454         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
15455         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
15456         * config/m68k/m68k.c (m68k_handle_option,
15457         m68k_sched_md_init_global): Likewise.
15458         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
15459         mcore_unique_section): Likewise.
15460         * config/mips/mips.c (mips_block_move_straight,
15461         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
15462         Likewise.
15463         * config/mmix/mmix.c (mmix_init_machine_status,
15464         mmix_encode_section_info): Likewise.
15465         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
15466         * config/rs6000/rs6000.c (rs6000_init_machine_status,
15467         print_operand_address, output_toc, redefine_groups,
15468         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
15469         * config/s390/s390.c (s390_init_machine_status): Likewise.
15470         * config/score/score.c (score_block_move_straight,
15471         score_block_move_loop_body): Likewise.
15472         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
15473         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
15474         * emit-rtl.c (find_auto_inc): Likewise.
15475         * gcc.c (translate_options, process_command): Likewise.
15476         * reorg.c (dbr_schedule): Likewise.
15477         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
15478         * xcoffout.c (xcoffout_declare_function): Likewise.
15480 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
15482         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
15483         ipa-pta working again.
15485 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
15487         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
15488         genautomata.
15490 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
15492         * config.gcc (powerpc*-*-*): Add new core e500mc.
15493         * config/rs6000/e500mc.md: New file.
15494         * config/rs6000/rs6000.c (processor_costs): Add new costs for
15495         e500mc.
15496         (rs6000_override_options): Add e500mc case to
15497         processor_target_table. Altivec and Spe options not allowed
15498         with e500mc. Add isel instruction to e500mc by
15499         default. Initialize rs6000_cost for e500mc.
15500         (rs6000_issue_rate): Set issue rate for e500mc.
15501         * config/rs6000/rs6000.h (processor_type): Add
15502         PROCESSOR_PPCE500MC.
15503         (ASM_CPU_SPEC): Add e500mc.
15504         Set TARGET_ISEL to rs6000_isel.
15505         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
15506         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
15507         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
15508         Include e500mc.md.
15509         * doc/invoke.texi: Add e500mc to list of cpus.
15511 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
15513         PR c/34867
15514         * c-lex.c (lex_charconst): Initialize unsignedp.
15516 2008-06-27  Olivier Hainque  <hainque@adacore.com>
15518         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
15519         documented assumptions.
15521 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
15523         * dwarf2out.c: Remove trailing white spaces.  Break long line
15524         in comments.
15526 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
15528         * libfuncs.h (LTI_synchronize): New libfunc_index.
15529         (synchronize_libfunc): Declare.
15530         * builtins.c (expand_builtin_synchronize): Consider using
15531         synchronize_libfunc before falling back on an asm blockage.
15532         * config/mips/mips.c: Include libfuncs.h
15533         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
15535 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
15537         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
15538         parameter.  Copy stack_reg to r11 where appropriate.
15539         (no_global_regs_above): Add gpr parameter.
15540         (rs6000_stack_info): Only add padding for SPE save area if we
15541         are saving SPE GPRs and CR.
15542         (saveres_routine_syms): New variable.
15543         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
15544         Define.
15545         (rs6000_savres_routine_sym): New function.
15546         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
15547         split out of...
15548         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
15549         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
15550         Tweak FPR out-of-line saving.
15551         (rs6000_make_savres_rtx): New function.
15552         (rs6000_use_multiple_p): New function.
15553         (rs6000_savres_strategy): New function.
15554         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
15555         out-of-line if appropriate.
15556         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
15557         if we are optimizing for size.
15558         (GP_SAVE_INLINE): Define.
15559         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
15560         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
15561         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
15562         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
15563         (*save_fpregs_<mode>): Add use of r11.
15564         (*restore_gpregs_<mode>): New insn.
15565         (*return_and_restore_gpregs_<mode>): New insn.
15566         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
15567         use r11.
15568         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
15569         (*restore_gpregs_spe): New insn.
15570         (*return_and_restore_gpregs_spe): New insn.
15571         * config/rs6000/predicates.md (save_world_operation): Fix check.
15573 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
15575         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
15576         this point, so assert that.
15578 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
15580         * cfganal.c: Include vec.h and vecprim.h.
15581         (compute_idf): Import from...
15582         * tree-into-ssa (compute_idf): ...here.
15583         * basic-block.h (compute_idf): Export.
15585 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
15587         * c-decl.c (merge_decls): Use !current_function_decl to check for
15588         extern declaration of C99 inline function being at file scope.
15590 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
15592         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
15594 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15596         * alias.c (record_alias_subset, init_alias_analysis): Fix
15597         -Wc++-compat and/or -Wcast-qual warnings.
15598         * attribs.c (lookup_attribute_spec): Likewise.
15599         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
15600         copy_bb, connect_traces,
15601         find_rarely_executed_basic_blocks_and_cr): Likewise.
15602         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
15603         note_btr_set, migrate_btr_defs): Likewise.
15604         * builtins.c (result_vector, expand_builtin_memcpy,
15605         expand_builtin_mempcpy_args, expand_builtin_strncpy,
15606         builtin_memset_read_str, expand_builtin_printf,
15607         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
15608         Likewise.
15609         * caller-save.c (mark_set_regs): Likewise.
15610         * calls.c (expand_call, emit_library_call_value_1): Likewise.
15611         * cgraph.c (cgraph_edge): Likewise.
15612         * combine.c (likely_spilled_retval_1): Likewise.
15613         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
15614         htab_counts_entry_del, get_coverage_counts): Likewise.
15615         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
15616         new_cselib_val): Likewise.
15617         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
15618         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
15619         Likewise.
15620         * df-core.c (df_compact_blocks): Likewise.
15621         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
15622         * df-scan.c (df_grow_reg_info, df_ref_create,
15623         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
15624         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
15625         df_record_entry_block_defs, df_record_exit_block_uses,
15626         df_bb_verify): Likewise.
15627         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
15628         DF_REF_EXTRACT_MODE_CONST): New.
15629         * dominance.c (get_immediate_dominator, get_dominated_by,
15630         nearest_common_dominator, root_of_dom_tree,
15631         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
15632         -Wc++-compat and/or -Wcast-qual warnings.
15633         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
15634         record_store, replace_read, check_mem_read_rtx, scan_insn,
15635         dse_step1, dse_record_singleton_alias_set): Likewise.
15636         * dwarf2asm.c (dw2_force_const_mem): Likewise.
15638 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15640         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
15641         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
15642         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
15643         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
15644         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
15645         add_ranges_num, add_ranges_by_labels, file_info_cmp,
15646         file_name_acquire, output_file_names, add_const_value_attribute,
15647         premark_used_types_helper, file_table_eq, file_table_hash,
15648         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
15649         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
15650         -Wcast-qual warnings.
15651         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
15652         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
15653         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
15654         gen_reg_rtx, start_sequence, init_emit): Likewise.
15655         * et-forest.c (et_new_occ, et_new_tree): Likewise.
15656         * except.c (init_eh_for_function, gen_eh_region,
15657         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
15658         arh_to_landing_pad, arh_to_label, add_action_record,
15659         add_call_site, switch_to_exception_section): Likewise.
15660         * expmed.c (synth_mult): Likewise.
15661         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
15662         store_expr): Likewise.
15663         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
15664         Likewise.
15665         * function.c (assign_stack_temp_for_type,
15666         allocate_struct_function, match_asm_constraints_1): Likewise.
15667         * gcov-io.c (gcov_allocate): Likewise.
15668         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
15669         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
15670         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
15671         record_one_set, insert_expr_in_table, insert_set_in_table,
15672         dump_hash_table, compute_hash_table_work, alloc_hash_table,
15673         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
15674         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
15675         -Wcast-qual warnings.
15677 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15679         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
15680         -Wcast-qual warnings.
15681         * gcc.c (process_command): Likewise.
15682         * genattrtab.c (oballoc): Use XOBNEW.
15683         (oballocvec): Define.
15684         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
15685         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
15686         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
15687         -Wc++-compat and/or -Wcast-qual warnings.
15688         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
15689         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
15690         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
15691         gen_presence_absence_set, gen_automaton, gen_regexp_el,
15692         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
15693         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
15694         add_excls, process_presence_absence_names,
15695         process_presence_absence_patterns, add_presence_absence,
15696         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
15697         get_free_state, add_arc, get_free_automata_list_el,
15698         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
15699         transform_3, cache_presence, create_ainsns, create_automata,
15700         create_state_ainsn_table, dfa_insn_code_enlarge,
15701         output_trans_func, output_min_issue_delay_func,
15702         output_dead_lock_func, output_reset_func,
15703         output_get_cpu_unit_code_func, output_dfa_start_func,
15704         expand_automata): Likewise.
15705         * genextract.c (gen_insn): Likewise.
15706         * gengtype-lex.l: Likewise.
15707         * gengtype.c (read_input_list, adjust_field_type,
15708         process_gc_options): Likewise.
15709         * genoutput.c (note_constraint): Likewise.
15710         * genpreds.c (mangle, add_constraint): Likewise.
15711         * genrecog.c (process_define_predicate, new_decision,
15712         add_to_sequence): Likewise.
15713         * gensupport.c (record_insn_name): Likewise.
15715 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15717         * config/i386/driver-i386.c (detect_caches_amd,
15718         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
15719         and/or -Wcast-qual warnings.
15720         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
15721         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
15722         gt_pch_save): Likewise.
15723         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
15724         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
15725         * global.c (compute_regsets): Likewise.
15726         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
15727         finish_graph_dump_file): Likewise.
15728         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
15729         unlink_bb_notes): Likewise.
15730         * integrate.c (get_hard_reg_initial_val): Likewise.
15731         * ipa-prop.c (ipa_push_func_to_list): Likewise.
15732         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
15733         * local-alloc.c (update_equiv_regs): Likewise.
15734         * loop-invariant.c (check_invariant_table_size,
15735         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
15736         Likewise.
15737         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
15738         altered_reg_used, mark_altered): Likewise.
15739         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
15740         insert_var_expansion_initialization,
15741         combine_var_copies_in_loop_exit, apply_opt_in_copies,
15742         release_var_copies): Likewise.
15743         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
15744         analyze_matrix_decl, add_allocation_site, analyze_transpose,
15745         analyze_accesses_for_phi_node, check_var_notmodified_p,
15746         check_allocation_function, find_sites_in_func,
15747         record_all_accesses_in_func, transform_access_sites,
15748         transform_allocation_sites): Likewise.
15749         * omp-low.c (new_omp_region, create_omp_child_function_name,
15750         check_omp_nesting_restrictions, check_combined_parallel,
15751         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
15752         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
15753         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
15754         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
15755         Likewise.
15756         * opts-common.c (prune_options): Likewise.
15757         * opts.c (add_input_filename, print_filtered_help,
15758         get_option_state): Likewise.
15759         * params.c (add_params): Likewise.
15760         * passes.c (set_pass_for_id, next_pass_1,
15761         do_per_function_toporder, pass_fini_dump_file): Likewise.
15762         * postreload.c (reload_cse_simplify_operands): Likewise.
15763         * predict.c (tree_predicted_by_p, tree_predict_edge,
15764         clear_bb_predictions, combine_predictions_for_bb): Likewise.
15766 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15768         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
15769         warnings.
15770         * recog.c (check_asm_operands, validate_change_1): Likewise.
15771         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
15772         subst_asm_stack_regs): Likewise.
15773         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
15774         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
15775         * regmove.c (reg_is_remote_constant_p): Likewise.
15776         * regrename.c (regrename_optimize, scan_rtx_reg,
15777         kill_clobbered_value, kill_set_value, kill_autoinc_value):
15778         Likewise.
15779         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
15780         regstat_compute_calls_crossed): Likewise.
15781         * reload1.c (init_reload, new_insn_chain,
15782         has_nonexceptional_receiver, reload, copy_reloads,
15783         calculate_needs_all_insns, init_elim_table): Likewise.
15784         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
15785         * rtl.c (shallow_copy_rtx_stat): Likewise.
15786         * rtlanal.c (parms_set): Likewise.
15787         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
15788         sbitmap_resize, sbitmap_vector_alloc): Likewise.
15789         * sched-ebb.c (earliest_block_with_similiar_load,
15790         add_deps_for_risky_insns): Likewise.
15791         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
15792         schedule_region): Likewise.
15793         * see.c (eq_descriptor_pre_extension,
15794         hash_descriptor_pre_extension, hash_del_pre_extension,
15795         eq_descriptor_properties, hash_descriptor_properties,
15796         hash_del_properties, see_seek_pre_extension_expr,
15797         see_initialize_data_structures, see_print_register_properties,
15798         see_print_pre_extension_expr, see_delete_merged_def_extension,
15799         see_delete_unmerged_def_extension, see_emit_use_extension,
15800         see_pre_delete_extension, see_map_extension, see_commit_changes,
15801         see_analyze_merged_def_local_prop,
15802         see_analyze_merged_def_local_prop,
15803         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
15804         see_set_prop_merged_def, see_set_prop_unmerged_def,
15805         see_set_prop_unmerged_use, see_print_one_extension,
15806         see_merge_one_use_extension, see_merge_one_def_extension,
15807         see_store_reference_and_extension, see_update_uses_relevancy,
15808         see_update_defs_relevancy): Likewise.
15809         * statistics.c (hash_statistics_hash, hash_statistics_eq,
15810         hash_statistics_free, curr_statistics_hash): Likewise.
15811         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
15812         expand_asm_operands, expand_return, case_bit_test_cmp,
15813         expand_case): Likewise.
15814         * stor-layout.c (start_record_layout): Likewise.
15815         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
15816         gt_pch_save_stringpool): Likewise.
15817         * tree-data-ref.c (hash_stmt_vertex_info,
15818         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
15819         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
15821 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
15823         PR target/36627
15824         * config/i386/i386.md: Change constraints of HImode and QImode
15825         immediate operands from "i" to "n".  Change SImode "ni" constraint to
15826         "i" and SImode "rmi" constraint to "g".  Remove all constraints
15827         from const0_operand and const1_operand predicated operands.
15828         (i): Change QImode and HImode attribute from "i" to "n".
15829         (*subqi_2): Change HImode operands to QImode.
15830         (*subqi_3): Ditto.
15832 2008-06-25  Olivier Hainque  <hainque@adacore.com>
15834         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
15835         sed substitutions.
15837 2008-06-25  Richard Guenther  <rguenther@suse.de>
15839         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
15840         not overflow the result type.
15842 2008-06-25  Richard Guenther  <rguenther@suse.de>
15844         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
15845         (vn_lookup): Likewise.
15847 2008-06-25  Richard Guenther  <rguenther@suse.de>
15849         PR tree-optimization/35518
15850         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
15851         * tree-sra.c (instantiate_element): Use fold_build3 to build
15852         BIT_FIELD_REFs.
15853         (try_instantiate_multiple_fields): Likewise.
15855 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15857         * config/rs6000/rs6000.md: Change all string instruction's clobber to
15858         be early clobbers.
15860 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15862         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
15863         use_backchain_to_restore_sp to true
15864         if the offset of the link register save area would go over the 32k - 1
15865         offset limit of the load
15866         instructions.
15868 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
15870         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
15871         anchor for the type-punning blurb.  Cross-reference "Structures
15872         unions enumerations and bit-fields implementation".  Provide a
15873         cast-through-pointer example.  Make final sentence self-contained.
15874         * doc/implement-c.texi (Structures unions enumerations and
15875         bit-fields implementation): Cross-reference the type-punning blurb
15876         in the -fstrict-aliasing documentation.
15878 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15880         PR middle-end/36594
15881         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
15882         the memory instead of the memory itself for the save area.
15884 2008-06-24  Olivier Hainque  <hainque@adacore.com>
15885             Nicolas Roche  <roche@adacore.com>
15887         * gengtype.c (srcdir_len): size_t instead of int.
15888         (get_file_realbasename): New function.  For F a filename, the real
15889         basename of F, with all the path components stripped.
15890         (get_file_srcdir_relative_path): New function.  For F a filename, the
15891         relative path to F from $(srcdir).
15892         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
15893         get_file_realbasename.  Adjust the head comment.
15894         (get_prefix_langdir_index): New function. For F a filename, return the
15895         lang_dir_names[] relative index of the language directory that is
15896         a prefix in F.
15897         (get_file_langdir): For F a filename, return the name of the language
15898         directory where F is located.
15899         (get_file_gtfilename): New function. The gt- output file name for an
15900         input filename F.
15901         (get_output_file_with_visibility): Replace in-line computations with
15902         uses of get_file_gtfilename and get_prefix_langdir_index.
15903         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
15905 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
15907         PR tree-optimization/36504
15908         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
15909         references without base address.
15911 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
15913         PR middle-end/36584
15914         * calls.c (expand_call): Increase alignment for recursive functions.
15916 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
15918         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
15919         (TARGET_FUNCTION_VALUE): New define.
15920         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
15921         * config/avr/avr.h (FUNCTION_VALUE): Remove.
15923 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
15925         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
15926         (fmod<mode>3): Ditto.
15927         (remainderxf3): Ditto.
15928         (remainder<mode>3): Ditto.
15930 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
15932         PR target/36533
15933         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
15934         REG is a hard register.
15936         PR tree-optimization/36508
15937         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
15938         499, don't check it at all in release compilers.
15940 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
15942         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
15943         together with SSE_TARGET_MATH to disable insn pattern.
15944         (*fop_<MODEF:mode>_2_i387): Ditto.
15945         (*fop_<MODEF:mode>_3_i387): Ditto.
15947 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
15949         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
15951 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
15953         PR middle-end/34906
15954         * gimplify.c (gimplify_asm_expr): Check the return code of
15955         parse_output_constraint call, set function return and is_inout
15956         value if it failed.
15958 2008-06-22  Ian Lance Taylor  <iant@google.com>
15960         * c-lex.c (narrowest_unsigned_type): Change itk to int.
15961         (narrowest_signed_type): Likewise.
15962         * c-typeck.c (c_common_type): Change local variable mclass to enum
15963         mode_class, twice.
15964         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
15965         tcc_comparison, not the tree code itself.
15966         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
15967         (c_expand_expr): Cast modifier to enum expand_modifier.
15968         * c-common.h (C_RID_CODE): Add casts.
15969         (C_SET_RID_CODE): Define.
15970         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
15971         (c_lex_one_token): Add cast to avoid warning.
15972         (c_parser_objc_type_name): Rename local typename to type_name.
15973         (check_no_duplicate_clause): Change code parameter to enum
15974         omp_clause_code.
15975         (c_parser_omp_var_list_parens): Change kind parameter to enum
15976         omp_clause_code.
15977         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
15978         c_parser_omp_list_var_parens.
15979         (c_parser_omp_threadprivate): Likewise.
15980         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
15981         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
15982         * c-format.c (NO_FMT): Define.
15983         (printf_length_specs): Use NO_FMT.
15984         (asm_fprintf_length_specs): Likewise.
15985         (gcc_diag_length_specs): Likewise.
15986         (scanf_length_specs): Likewise.
15987         (strfmon_length_specs): Likewise.
15988         (gcc_gfc_length_specs): Likewise.
15989         (printf_flag_specs): Change 0 to STD_C89.
15990         (asm_fprintf_flag_specs): Likewise.
15991         (gcc_diag_flag_specs): Likewise.
15992         (gcc_cxxdiag_flag_specs): Likewise.
15993         (scanf_flag_specs): Likewise.
15994         (strftime_flag_specs): Likewise.
15995         (strfmon_flag_specs): Likewise.
15996         (print_char_table): Likewise.
15997         (asm_fprintf_char_table): Likewise.
15998         (gcc_diag_char_table): Likewise.
15999         (gcc_tdiag_char_table): Likewise.
16000         (gcc_cdiag_char_table): Likewise.
16001         (gcc_cxxdiag_char_table): Likewise.
16002         (gcc_gfc_char_table): Likewise.
16003         (scan_char_table): Likewise.
16004         (time_char_table): Likewis.
16005         (monetary_char_table): Likewise.
16006         * c-format.h (BADLEN): Likewise.
16008 2008-06-21  Ian Lance Taylor  <iant@google.com>
16010         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
16011         Define END_OF_BASE_TREE_CODES around inclusion.
16012         * tree.c (tree_code_type): New global array.
16013         (tree_code_length, tree_code_name): Likewise.
16014         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
16015         $(lang_tree_files).
16016         (all-tree.def, s-alltree): New targets.
16017         (gencheck.h, s-gencheck): Remove.
16018         (tree.o): Depend upon all-tree.def.
16019         (build/gencheck.o): Remove gencheck.h dependency.
16020         (mostlyclean): Don't remove gencheck.h.
16021         * c-common.h (enum c_tree_code): Remove.
16022         * c-lang.c (tree_code_type): Remove.
16023         (tree_code_length, tree_code_name): Remove.
16024         * gencheck.c (tree_codes): Include all-tree.def, rather than
16025         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
16026         after it is used.
16027         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
16028         than tree.def.
16029         * cp/cp-tree.h (enum cplus_tree_code): Remove.
16030         (operator_name_info): Size to MAX_TREE_CODES.
16031         (assignment_operator_name_info): Likewise.
16032         * cp/cp-lang.c (tree_code_type): Remove.
16033         (tree_code_length, tree_code_name): Remove.
16034         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
16035         (assignment_operator_name_info): Likewise.
16036         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
16037         MAX_TREE_CODES.
16038         * cp/mangle.c (write_expression): Likewise.
16039         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
16040         * fortran/f95-lang.c (tree_code_type): Remove.
16041         (tree_code_length, tree_code_name): Remove.
16042         * java/java-tree.h (enum java_tree_code): Remove.
16043         * java/lang.c (tree_code_type): Remove.
16044         (tree_code_length, tree_code_name): Remove.
16045         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
16046         * objc/objc-act.h (enum objc_tree_code): Remove.
16047         * objc/objc-lang.c (tree_code_type): Remove.
16048         (tree_code_length, tree_code_name): Remove.
16049         * objcp/objcp-lang.c (tree_code_type): Remove.
16050         (tree_code_length, tree_code_name): Remove.
16051         * ada/ada-tree.h (enum gnat_tree_code): Remove.
16052         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
16053         * ada/misc.c (tree_code_type): Remove.
16054         (tree_code_length, tree_code_name): Remove.
16056 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
16058         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
16059         the grand_bitmap_obstack.
16061 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16063         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
16064         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
16065         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
16066         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
16067         move_stmt_r, new_label_mapper): Likewise.
16068         * tree-complex.c (cvc_lookup): Likewise.
16069         * tree-dfa.c (create_function_ann): Likewise.
16070         * tree-dump.c (dump_register): Likewise.
16071         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
16072         find_phi_replacement_condition): Likewise.
16073         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
16074         tree_function_versioning): Likewise.
16075         * tree-into-ssa.c (cmp_dfsnum): Likewise.
16076         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
16077         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
16078         get_nonlocal_debug_decl, convert_nonlocal_reference,
16079         convert_nonlocal_omp_clauses, get_local_debug_decl,
16080         convert_local_reference, convert_local_omp_clauses,
16081         convert_nl_goto_reference, convert_nl_goto_receiver,
16082         convert_tramp_reference, convert_call_expr): Likewise.
16083         * tree-outof-ssa.c (contains_tree_r): Likewise.
16084         * tree-parloops.c (reduction_phi, initialize_reductions,
16085         eliminate_local_variables_1, add_field_for_reduction,
16086         add_field_for_name, create_phi_for_local_result,
16087         create_call_for_reduction_1, create_loads_for_reductions,
16088         create_stores_for_reduction, create_loads_and_stores_for_name):
16089         Likewise.
16090         * tree-phinodes.c (allocate_phi_node): Likewise.
16091         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
16092         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
16093         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
16094         * tree-ssa-coalesce.c (compare_pairs): Likewise.
16095         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
16096         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
16097         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
16098         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
16099         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
16100         vn_nary_op_insert): Likewise.
16101         * tree-ssa.c (redirect_edge_var_map_add,
16102         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
16103         * tree-vectorizer.c (vectorize_loops): Likewise.
16104         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
16105         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
16106         tree_cons_stat, build1_stat, build_variant_type_copy,
16107         decl_init_priority_lookup, decl_fini_priority_lookup,
16108         decl_priority_info, decl_restrict_base_lookup,
16109         decl_restrict_base_insert, decl_debug_expr_lookup,
16110         decl_debug_expr_insert, decl_value_expr_lookup,
16111         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
16112         type_hash_add, get_file_function_name, tree_check_failed,
16113         tree_not_check_failed, tree_range_check_failed,
16114         omp_clause_range_check_failed, build_omp_clause,
16115         build_vl_exp_stat): Likewise.
16116         * value-prof.c (gimple_histogram_value,
16117         gimple_duplicate_stmt_histograms): Likewise.
16118         * var-tracking.c (attrs_list_insert, attrs_list_copy,
16119         unshare_variable, variable_union_info_cmp_pos, variable_union,
16120         dataflow_set_different_1, dataflow_set_different_2,
16121         vt_find_locations, variable_was_changed, set_variable_part,
16122         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
16123         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
16124         section_entry_hash, object_block_entry_eq,
16125         object_block_entry_hash, create_block_symbol,
16126         initialize_cold_section_name, default_function_rodata_section,
16127         strip_reg_name, set_user_assembler_name, const_desc_eq,
16128         build_constant_desc, output_constant_def, lookup_constant_def,
16129         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
16130         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
16131         default_internal_label): Likewise.
16132         * varray.c (varray_init, varray_grow): Likewise.
16133         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
16135 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
16137         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
16138         operators for "test" insn.  Macroize insn using SWI mode macro.
16139         (*jcc_fused_2): Ditto.
16140         (*jcc_fused_3): Macroize insn using SWI mode macro.
16141         (*jcc_fused_4): Ditto.
16143 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
16145         * tree-ssa-pre.c: Fix typo in comment.
16146         (init_antic, fini_antic): Add explicit funtions for
16147         initializing and deinitializing ANTIC and AVAIL sets.
16148         (create_expression_by_pieces): Fix typo in comment.
16149         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
16150         (execute_pre): Eventually dump details about ANTIC_IN.
16152 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16154         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
16155         * gcc.c (translate_options, init_spec, store_arg, read_specs,
16156         add_to_obstack, file_at_path, find_a_file, execute,
16157         add_preprocessor_option, add_assembler_option, add_linker_option,
16158         process_command, insert_wrapper, do_option_spec, do_self_spec,
16159         spec_path, do_spec_1, is_directory, main, used_arg,
16160         getenv_spec_function): Likewise.
16161         * tlink.c (symbol_hash_lookup, file_hash_lookup,
16162         demangled_hash_lookup, symbol_push, file_push, frob_extension):
16163         Likewise.
16165 2008-06-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
16167         * doc/rtl.texi: Updated subreg section.
16169 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
16171         PR c++/36523
16172         * cgraphunit.c (cgraph_process_new_functions): Don't clear
16173         node->needed and node->reachable.
16174         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
16175         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
16176         (expand_task_call): Don't call expand_task_copyfn.
16177         (expand_task_copyfn): Renamed to...
16178         (finalize_task_copyfn): ... this.
16180 2008-06-19  Jan Hubicka  <jh@suse.cz>
16182         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
16183         clobbering framepointer.
16185 2008-06-19  Jan Hubicka  <jh@suse.cz>
16187         * tree-optimize.c (execute_early_local_optimizations): Set
16188         cgraph_state only at first invocation.
16190 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16192         * system.h (-Wc++-compat): Activate as a warning, no an error.
16194 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
16196         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
16197         instead of "#" in insn asm template.
16198         (*jcc_fused_2): Ditto.
16200 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
16202         * config/i386/i386.h (ix86_tune_indices)
16203         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
16204         (TARGET_FUSE_CMP_AND_BRANCH): New define.
16205         * config/i386/i386.md (*jcc_fused_1): New insn pattern
16206         (*jcc_fused_2): Ditto.
16207         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
16208         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
16209         (print operand): Handle 'E' and 'e' code.
16211 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
16213         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
16214         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16215         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16217 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
16219         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
16220         node->decl.
16221         (cgraph_expand_function): Use local copy of decl.
16222         (cgraph_expand_all_functions): Remove redundant initialization of
16223         order_pos.
16224         (cgraph_optimize): Reword internal_error message.
16226 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
16228         * arm-protos.h (arm_return_in_memory): Remove public
16229         arm_return_in_memory() prototype.
16230         * arm.c (arm_return_in_memory): Add static prototype, add target
16231         hook macro, change definition and comments.
16232         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
16234 2008-06-19  Ben Elliston  <bje@au.ibm.com>
16236         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
16237         real.c: Remove references to IEEE 754R.
16238         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
16239         * doc/libgcc.texi (Decimal float library routines): Likewise.
16241 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16243         * targhooks.h (struct gcc_target): New member unwind_word_mode.
16244         (default_unwind_word_mode): Add prototype.
16245         * targhooks.c (default_unwind_word_mode): New function.
16246         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
16247         instead of word_mode.
16248         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
16249         (TARGET_INITIALIZER): Use it.
16251         * c-common.c (handle_mode_attribute): Support "unwind_word"
16252         mode attribute.
16253         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
16255         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
16256         word_mode to access SjLj_Function_Context member "data".
16257         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
16258         conversion from targetm.eh_return_filter_mode () to
16259         targetm.unwind_word_mode () if they differ.
16261         * builtin-types.def (BT_UNWINDWORD): New primitive type.
16262         (BT_FN_UNWINDWORD_PTR): New function type.
16263         (BT_FN_WORD_PTR): Remove.
16264         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
16265         * except.c (expand_builtin_extend_pointer): Convert pointer to
16266         targetm.unwind_word_mode () instead of word_mode.
16268         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
16269         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
16270         (spu_unwind_word_mode): New function.
16271         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
16272         (TARGET_UNWIND_WORD_MODE): Define.
16273         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
16275 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16277         * config/spu/spu.c (reg_align): Remove.
16278         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
16279         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
16280         (spu_split_store): Likewise.
16282 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
16284         * gcc/tree-vn.c: Fix typo in comment.
16286 2008-06-18  Jan Hubicka  <jh@suse.cz>
16288         * cgraphunit.c (cgraph_optimize): Output debug info when doing
16289         toplevel reorder too.
16291 2008-06-18  Jan Hubicka  <jh@suse.cz>
16293         * c-opts.c (c_common_post_options): PCH is not compatible with
16294         no-unit-at-a-time.
16295         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
16296         -fno-toplevel-reorder by default now.
16298 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16300         PR documentation/30739
16301         * doc/install.texi (Prerequisites): Document dependency on awk.
16303 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
16304             Ian Lance Taylor  <iant@google.com>
16306         PR rtl-optimization/35604
16307         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
16308         only want to change jump destinations, not eventual label comparisons.
16310 2008-06-16  Jan Hubicka  <jh@suse.cz>
16312         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
16313         syntax errors.
16314         (cgraph_analyze_function): Likewise.
16316 2008-06-16  Jan Hubicka  <jh@suse.cz>
16318         * cgraph.h (cgraph_mark_if_needed): New function.
16319         * cgraphunit.c (cgraph_mark_if_needed): New function.
16320         * c-decl.c (duplicate_decl): Use it.
16322 2008-06-16  Jan Hubicka  <jh@suse.cz>
16324         * cgraph.c (cgraph_add_new_function): When in expansion state, do
16325         lowering.
16327 2008-06-16  Jan Hubicka  <jh@suse.cz>
16329         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
16331 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
16332             Kazu Hirata  <kazu@codesourcery.com>
16333             Maxim Kuvyrkov  <maxim@codesourcery.com
16335         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
16336         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
16337         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
16338         EXTRA_SPEC_FUNCTIONS.
16339         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
16340         (DRIVER_SELF_SPECS): Adjust.
16341         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
16342         * config/mips/st.h, config/mips/t-st: New.
16343         * config/mips/driver-native.c, config/mips/x-native: New.
16344         * doc/invoke.texi (MIPS): Document 'native' value for -march and
16345         -mtune options.
16347 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
16349         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
16350         from it.
16351         (ISA_HAS_FP_CONDMOVE): New macro.
16352         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
16353         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
16354         (ISA_HAS_NMADD3_NMSUB3): New macro.
16355         * config/mips/mips.c (mips_rtx_costs): Update.
16356         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
16357         compiling for ST Loongson 2E/2F.
16358         (madd<mode>): Rename to madd4<mode>.  Update.
16359         (madd3<mode>): New pattern.
16360         (msub<mode>): Rename to msub4<mode>.  Update.
16361         (msub3<mode>): New pattern.
16362         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
16363         (nmadd3<mode>): New pattern.
16364         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
16365         (nmadd3<mode>_fastmath): New pattern.
16366         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
16367         (nmsub3<mode>): New pattern.
16368         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
16369         (nmsub3<mode>_fastmath): New pattern.
16370         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
16372 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
16374         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
16375         (DF_REF_INSN_INFO): New.
16376         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
16377         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
16378         with a NULL DF_REF_INSN_INFO.
16379         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
16380         DF_INSN_SET.
16381         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
16382         DF_INSN_INFO_EQ_USES): New.
16383         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
16384         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
16385         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
16386         * df-core.c: Update comment for above changes.
16387         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
16388         DF_INSN_UID_* macros.
16389         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
16390         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
16391         insn rtx.  Update all callers.
16392         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
16393         df_ref_create_structure, df_insn_refs_collect): Likewise.
16394         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
16395         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
16396         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
16397         macros to access the insn refs.
16398         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
16399         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
16400         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
16401         for accessing the refs.
16402         (try_fwprop_subst): Likewise.
16403         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
16404         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
16405         for accessing the refs.
16406         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
16407         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
16408         to look at the insn refs.
16409         (record_uses): Likewise.
16410         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
16411         function anymore.
16412         (mark_artificial_uses): Don't mark_insn for artificial refs.
16413         (mark_reg_rependencies): Likewise.
16415         * doc/rtl.texi: Remove documentation of ADDRESSOF.
16417 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16419         * configure: Regenerate.
16421 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
16423         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
16424         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
16425         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
16427 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
16429         * config/avr/avr.c (avr_mcu_t): Add attiny167.
16430         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
16431         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
16433 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
16435         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
16436         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
16437         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
16439 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
16441         * tree-ssa-sccvn.c: Fix format of comments.
16443 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
16445         * cgraph.c: Remove unneeded forward declarations of eq_node()
16446         and hash_node().
16448 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
16450         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
16451         REG_RETVAL notes.
16452         (see_update_relevancy): Likewise.
16453         * fwprop.c (try_fwprop_subst): Likewise.
16454         * rtlanal.c (noop_move_p): Likewise.
16455         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
16456         notes to non-existing libcall blocks.
16457         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
16458         Remove orig_set.
16459         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
16460         (dead_libcall_p): Remove.
16461         (delete_trivially_dead_insns): Don't use it.
16462         * web.c (union_defs): Remove comment about keeping nops.
16463         * gcse.c (hash_scan_insn): Don't take libcall pointers.
16464         (compute_hash_table_work): Don't track libcall notes.
16465         (do_local_cprop): Don't take libcall pointers.  Don't update
16466         libcall notes.
16467         (adjust_libcall_notes): Deleted.
16468         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
16469         ever have existed in the first place).
16470         (replace_store_insn): Don't try to remove libcall notes.
16471         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
16472         (resolve_reg_notes): Don't call them.
16473         (resolve_simple_move): Likewise.
16474         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
16475         Don't remove REG_RETVAL notes.
16476         * emit-rtl.c (try_split): Don't update libcall notes.
16477         (emit_copy_of_insn_after): Dito.
16478         * cselib.c (cselib_current_insn_in_libcall): Remove.
16479         (cselib_process_insn): Don't set/clear it.
16480         (new_elt_loc_list): Don't record it.
16481         (cselib_init): Don't initialize it.
16482         * cselib.c (struct elt_loc_list): Remove in_libcall field.
16483         * loop-invariant.c (find_invariant_insn): Don't look for libcall
16484         notes.
16485         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
16486         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
16487         (init_deps): Don't initialize it.
16488         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
16489         * combine.c (delete_noop_moves): Don't update libcall notes.
16490         (can_combine_p): Remove now pointless #if 0 block.
16491         (try_combine): Remove another obsolete #if 0 block.
16492         (distribute_notes): Don't distribute libcall notes.
16493         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
16494         * dce.c (libcall_dead_p): Remove.
16495         (delete_unmarked_insns): Don't handle libcall blocks.
16496         (preserve_libcall_for_dce): Remove.
16497         (prescan_insns_for_dce): Don't special-case libcall block insns.
16498         * reload1 (reload): Don't handle libcall notes.
16499         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
16500         documentation.
16502 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
16504         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
16505         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
16506         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
16508 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
16510         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
16511         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
16512         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
16514 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16516         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
16518 2008-06-16  Ira Rosen  <irar@il.ibm.com>
16520         PR tree-optimization/36493
16521         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
16522         the arguments list. Use VECTYPE to create vector pointer.
16523         (vectorizable_store): Fail if accesses through a pointer to vectype
16524         do not alias the original memory reference operands.
16525         Call vect_create_data_ref_ptr without the removed argument.
16526         (vectorizable_load): Likewise.
16527         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
16528         removed argument.
16530 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
16532         PR target/36336
16533         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
16534         reg_equiv_constant.
16536 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
16538         * config/mips/loongson2ef.md: New file.
16539         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
16540         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
16541         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
16542         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
16543         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
16544         and loongson_2f.
16545         (loongson2ef.md): New include.
16546         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
16547         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
16548         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
16549         (loongson_gt_<mode>, loongson_extract_halfword)
16550         (loongson_insert_halfword_0, loongson_insert_halfword_2)
16551         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
16552         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
16553         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
16554         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
16555         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
16556         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
16557         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
16558         (vec_interleave_low<mode>): Define type attribute.
16559         * config/mips/mips.c (mips_ls2): New static variable.
16560         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
16561         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
16562         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
16563         Implement target scheduling hooks.
16564         (mips_multipass_dfa_lookahead): Update to handle tuning for
16565         Loongson 2E/2F.
16566         (mips_sched_init): Initialize data for Loongson scheduling.
16567         (mips_ls2_variable_issue): New static function.
16568         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
16569         Add sanity check.
16570         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
16571         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
16572         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
16573         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
16574         Handle ST Loongson 2E/2F cores.
16575         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
16577 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16579         * omp-low.c (extract_omp_for_data): Fix comment typo.
16580         * c.opt: Fix typo.
16582 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16584         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
16585         FIXME note about gcc/config.guess.
16586         * doc/options.texi (Option file format): Remove non-ASCII bytes.
16587         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
16588         * doc/cppopts.texi: Likewise.
16589         * doc/extend.texi: Likewise.
16590         * doc/gcc.texi: Likewise.
16591         * doc/gccint.texi: Likewise.
16592         * doc/gcov.texi: Likewise.
16593         * doc/gty.texi: Likewise.
16594         * doc/hostconfig.texi: Likewise.
16595         * doc/install.texi: Likewise.
16596         * doc/invoke.texi: Likewise.
16597         * doc/loop.texi: Likewise.
16598         * doc/makefile.texi: Likewise.
16599         * doc/md.texi: Likewise.
16600         * doc/passes.texi: Likewise.
16601         * doc/tm.texi: Likewise.
16602         * doc/tree-ssa.texi: Likewise.
16603         * doc/trouble.texi: Likewise.
16605 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
16606             Nathan Sidwell  <nathan@codesourcery.com>
16607             Maxim Kuvyrkov  <maxim@codesourcery.com>
16608             Richard Sandiford  <rdsandiford@googlemail.com>
16610         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
16611         * config/mips/mips-protos.h (mips_expand_vector_init): New.
16612         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
16613         builtins.
16614         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
16615         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
16616         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
16617         V8QImode cases.
16618         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
16619         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
16620         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
16621         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
16622         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
16623         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
16624         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
16625         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
16626         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
16627         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
16628         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
16629         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
16630         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
16631         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
16632         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
16633         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
16634         (mips_builtins): Add Loongson builtins.
16635         (mips_loongson_2ef_bdesc): New.
16636         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
16637         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
16638         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
16639         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
16640         New.
16641         (mips_expand_vector_init): New.
16642         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
16643         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
16644         if appropriate.
16645         * config/mips/mips.md: Add unspec numbers for Loongson
16646         builtins.  Include loongson.md.
16647         (MOVE64): Include Loongson vector modes.
16648         (SPLITF): Include Loongson vector modes.
16649         (HALFMODE): Handle Loongson vector modes.
16650         * config/mips/loongson.md: New.
16651         * config/mips/loongson.h: New.
16652         * config.gcc: Add loongson.h header for mips*-*-* targets.
16653         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
16655 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
16657         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
16658         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
16659         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
16660         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
16661         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
16662         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
16663         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
16664         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
16665         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
16666         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
16667         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
16668         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
16669         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
16670         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
16671         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
16672         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
16673         Remove use_fixproto=yes.
16674         (ia64*-*-hpux*): Remove comment about using fixproto.
16675         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
16677 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16679         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
16680         library rebuilds.
16681         * configure: Regenerate.
16683 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
16685         PR middle-end/36520
16686         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
16687         before evaluating it.
16689 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
16691         PR c/36507
16692         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
16693         nested inline functions.
16694         (start_decl, start_function): Don't invert DECL_EXTERNAL
16695         for nested inline functions.
16697 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
16699         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
16700         splits that must be made for correctness.
16702 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
16704         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
16705         (AVAIL_NON_MIPS16): Likewise.
16706         (mips_builtin_description): Replace target_flags with a predicate.
16707         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
16708         (dspr2_32): New availability predicates.
16709         (MIPS_BUILTIN): New macro.
16710         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
16711         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
16712         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
16713         Replace the TARGET_FLAGS parameters with AVAIL parameters.
16714         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
16715         (mips_dsp_32only_bdesc): Merge into...
16716         (mips_builtins): ...this new array.
16717         (mips_bdesc_map, mips_bdesc_arrays): Delete.
16718         (mips_init_builtins): Update after above changes.
16719         (mips_expand_builtin_1): Merge into...
16720         (mips_expand_builtin): ...here and update after above changes.
16722 2008-06-12  Paul Brook  <paul@codesourcery.com>
16724         * longlong.h (__arm__): Define count_leading_zeros.
16725         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
16726         (clzsi2, clzdi2): New functions.
16727         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
16728         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
16729         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
16730         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
16731         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
16732         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
16733         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
16734         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
16735         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
16736         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
16738 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
16740         * config/m68k/m68k.c (m68k_tune_flags): New.
16741         (override_options): Compute m68k_tune_flags.
16742         (MULL_COST, MULW_COST): Update for various variants of CFV2.
16743         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
16745 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
16747         PR middle-end/36506
16748         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
16750 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
16752         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
16753         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
16755 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
16757         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
16758         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
16760 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
16762         PR middle-end/36506
16763         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
16764         reductions.
16766 2008-06-12  Richard Guenther  <rguenther@suse.de>
16768         PR tree-optimization/36345
16769         * tree-flow.h (struct ptr_info_def): Align escape_mask,
16770         add memory_tag_needed flag.
16771         (may_alias_p): Declare.
16772         * tree-ssa-alias.c (may_alias_p): Export.
16773         (set_initial_properties): Use memory_tag_needed flag.
16774         (update_reference_counts): Likewise.
16775         (reset_alias_info): Reset memory_tag_needed flag.
16776         (create_name_tags): Check memory_tag_needed flag.
16777         (dump_points_to_info_for): Dump it.
16778         * tree-ssa-structalias.c (struct variable_info): Remove
16779         directly_dereferenced flag.
16780         (new_var_info): Do not initialize it.
16781         (process_constraint_1): Do not set it.
16782         (update_alias_info): Set is_dereferenced flag.
16783         (set_uids_in_ptset): Use may_alias_p.
16784         (set_used_smts): Check memory_tag_needed flag.
16785         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
16786         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
16787         memory_tag_needed flag.
16788         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
16789         from broken design.
16791 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
16793         * config/i386/i386.c (ix86_compute_frame_layout): Disable
16794         red zone for w64 abi.
16795         (ix86_expand_prologue): Likewise.
16796         (ix86_force_to_memory): Likewise.
16797         (ix86_free_from_memory): Likewise.
16799 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
16801         PR target/36425
16802         * config/rs6000/rs6000.c (rs6000_override_options): Set
16803         rs6000_isel conditionally to the absence of comand line override.
16804         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
16805         Remove duplicate rs6000_isel setting.
16806         * config/rs6000/eabispe.h: Ditto.
16808 2008-06-11  Richard Guenther  <rguenther@suse.de>
16810         * alias.c (get_alias_set): Use the element alias-set for arrays.
16811         (record_component_aliases): For arrays and vectors do nothing.
16812         * c-common.c (strict_aliasing_warning): Handle the cases
16813         of alias set zero explicitly.
16814         * Makefile.in (dfp.o-warn): Add -Wno-error.
16816 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
16818         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
16819         tune_32 tune_64.
16820         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
16821         tune_32 tune_64 to supported_defaults.  Allow values not
16822         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
16823         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
16824         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
16825         with_cpu_64 to generic for 64-bit-supporting configurations, not
16826         with_cpu.  Remove FIXMEs.
16827         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
16828         --with-arch-64, --with-tune-32, --with-tune-64): Document.
16829         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
16830         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
16831         arch_32 and arch_64.
16833 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
16834             Olivier Hainque  <hainque@adacore.com>
16836         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
16837         Use DECL_SIZE_UNIT to retrieve the size of the field.
16839 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
16841         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
16842         with function calls after declarations.  Lay out
16843         neon_float_type_node before further use.
16845 2008-06-11  Richard Guenther  <rguenther@suse.de>
16847         * tree-flow.h (may_point_to_global_var): Declare.
16848         * tree-ssa-alias.c (may_point_to_global_var): New function.
16849         * tree-ssa-sink.c (is_hidden_global_store): Use it.
16851 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
16853         * configure.ac: Teach that fido supports .debug_line.
16854         * configure: Regenerate.
16856 2008-06-10  Tom Tromey  <tromey@redhat.com>
16858         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
16859         debug hook.
16861 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
16863         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
16864         (encode_decimal64, decode_decimal64, encode_decimal128,
16865         decode_decimal128): Reverse order of 32-bit parts of value if host
16866         and target endianness differ.
16868 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
16870         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
16871         Avoid division by 0.
16872         (tree_mod_pow2_value_transform): Likewise.
16873         (tree_ic_transform): Likewise.
16874         (tree_stringops_transform): Likewise.
16875         (tree_mod_subtract_transform): Likewise.
16876         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
16877         (copy_edges_for_bb): Likewise.
16878         (initialize_cfun): Likewise.
16880 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
16882         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
16883         nonmemory_operand. Add "N" operand constraint.
16884         (*btsi): Ditto.
16885         (*jcc_btdi_mask_rex64): New instruction and split pattern.
16886         (*jcc_btsi_mask): Ditto.
16887         (*jcc_btsi_mask_1): Ditto.
16889 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
16891         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
16892         TYPE_CANONICAL for copied element type.
16894 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
16896         PR target/36473
16897         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
16898         Add m_CORE2 and m_GENERIC.
16899         * config/i386/predicates.md (bt_comparison_operator): New predicate.
16900         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
16901         (*btsi): Ditto.
16902         (*jcc_btdi_rex64): New instruction and split pattern.
16903         (*jcc_btsi): Ditto.
16904         (*jcc_btsi_1): Ditto.
16905         (*btsq): Fix Intel asm dialect operand order.
16906         (*btrq): Ditto.
16907         (*btcq): Ditto.
16909 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
16911         PR middle-end/36447
16912         * simplify-rtx.c (simplify_subreg): Add check for shift count
16913         greater than size.
16915 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
16917         * doc/md.texi: Synchronize with later constraints.md change.
16918         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
16919         with a C implementation.
16920         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
16921         MFLO handling.
16922         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
16923         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
16924         when moving to and from MD_REGNUM.
16925         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
16926         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
16927         Handle byte and halfword moves.
16928         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
16929         separately.
16930         * config/mips/constraints.md (h): Turn into NO_REGS.
16931         (l, x): Update documentation.
16932         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
16933         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
16934         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
16935         (HILO): New mode iterator.
16936         (MOVE128): Add TI.
16937         (any_div): New code iterator.
16938         (u): Extend code attribute to div and udiv.
16939         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
16940         d_operand in the splitters.  Remove redundant CONST_INT checks.
16941         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
16942         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
16943         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
16944         accordingly, using normal moves instead of unspecs to move LO into
16945         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
16946         (<u>mulsidi3): Handle expansion in C code.
16947         (<u>mulsidi3_32bit_internal): Rename to...
16948         (<u>mulsidi3_32bit): ...this.
16949         (<u>mulsidi3_32bit_r4000): Fix insn separator.
16950         (*<u>mulsidi3_64bit): Rename to...
16951         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
16952         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
16953         to set LO and HI to the multiplication result.  Use a normal move
16954         for MFLO and an unspec for MFHI.
16955         (*<u>mulsidi3_64bit_parts): Replace with...
16956         (<u>mulsidi3_64bit_hilo): ...this new instruction.
16957         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
16958         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
16959         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
16960         instead of HI.  Split the instruction into a separate multiplication
16961         and MFHI if !TARGET_FIX_R4000.
16962         (<su>muldi3_highpart): Likewise.
16963         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
16964         and the "=h" clobber.
16965         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
16966         (<u>mulditi3): New expander.
16967         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
16968         (madsi): Remove "=h" clobber.
16969         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
16970         Force the modulus result to be a GPR and split the instruction into
16971         a division followed by an MFHI after reload.
16972         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
16973         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
16974         the MIPS16 HIGH define_split.
16975         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
16976         of acc<->gpr moves to "multi".
16977         (*movdi_64bit): Replace the single "x" alternative with
16978         alternatives for moving into and out of "a".
16979         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
16980         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
16981         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
16982         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
16983         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
16984         (movti): New expander.
16985         (*movti, *movti_mips16): New insns.
16986         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
16987         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
16988         (mthi<GPR:mode>_<HILO:mode>): Likewise.
16989         * config/mips/predicates.md (fpr_operand): Delete.
16990         (d_operand): New predicate.
16992 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
16994         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
16995         failure on some Bourne shells.
16996         (x86_64-*-*): Ditto.
16998 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
17000         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
17002 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17004         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
17005         (sparc-sun-solaris2*): Likewise.
17007 2008-06-09  Arnaud Charlet  <charlet@adacore.com
17009         * doc/install.texi: Update requirements to build the Ada compiler.
17011 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
17013         * df-scan.c (struct df_scan_problem_data): Remove the
17014         mw_link_pool alloc pool.
17015         (df_scan_free_internal): Don't free it.
17016         (df_scan_alloc): Don't allocate it.
17017         * df.h (struct df_link): Update comment.
17019 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
17021         * except.h: Correct checks for when SJLJ exceptions must be used.
17023 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17025         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
17026         default.
17028 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
17030         PR tree-optimization/36218
17031         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
17032         configure for the build system.
17033         (BUILD_LDFLAGS): Define.
17034         * configure: Regenerate.
17035         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
17037 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
17039         PR target/36424
17040         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
17041         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
17042         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
17044 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
17046         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
17048 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
17050         * config.gcc (Obsolete configurations): Remove list of
17051         configurations.
17052         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
17053         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
17054         targets matched by those patterns.
17055         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
17056         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
17057         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
17058         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
17059         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
17060         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
17061         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
17062         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
17063         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
17064         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
17065         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
17066         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
17067         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
17068         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
17069         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
17070         Make code for Solaris 7 and greater unconditional for Solaris.
17071         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
17072         Remove --with-* handling.
17073         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
17074         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
17075         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
17076         LINK_OS_WINDISS_SPEC): Remove.
17077         * config/rs6000/sysv4.opt (mwindiss): Remove.
17078         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
17079         * configure: Regenerate.
17080         * doc/cpp.texi: Don't mention BeOS.
17081         * doc/extend.texi (interrupt): Don't mention MS1.
17082         * doc/install.texi (i386-@var{any}-sysv, m68k-bull-sysv,
17083         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
17084         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
17085         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
17086         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
17087         Remove.
17088         * doc/invoke.texi (MT Options): Remove.
17089         (-mwindiss): Remove.
17090         (CRIS Options): Remove cris-axis-aout references.
17091         (HPPA Options): Don't mention hppa1.1-*-pro.
17092         * doc/md.texi (MorphoTech family): Remove.
17093         * libgcc2.c: Don't handle UWIN.
17094         * config/alpha/t-unicosmk: Remove.
17095         * config/alpha/unicosmk.h: Remove.
17096         * config/arm/kaos-arm.h: Remove.
17097         * config/arm/kaos-strongarm.h: Remove.
17098         * config/arm/strongarm-coff.h: Remove.
17099         * config/arm/strongarm-elf.h: Remove.
17100         * config/arm/strongarm-pe.h: Remove.
17101         * config/arm/t-strongarm-pe: Remove.
17102         * config/arm/t-xscale-coff: Remove.
17103         * config/arm/t-xscale-elf: Remove.
17104         * config/arm/xscale-coff.h: Remove.
17105         * config/arm/xscale-elf.h: Remove.
17106         * config/chorus.h: Remove.
17107         * config/cris/aout.h: Remove.
17108         * config/cris/aout.opt: Remove.
17109         * config/cris/t-aout: Remove.
17110         * config/i386/beos-elf.h: Remove.
17111         * config/i386/kaos-i386.h: Remove.
17112         * config/i386/ptx4-i.h: Remove.
17113         * config/i386/sco5.h: Remove.
17114         * config/i386/sco5.opt: Remove.
17115         * config/i386/sysv4-cpp.h: Remove.
17116         * config/i386/sysv5.h: Remove.
17117         * config/i386/t-beos: Remove.
17118         * config/i386/t-sco5: Remove.
17119         * config/i386/t-uwin: Remove.
17120         * config/i386/uwin.asm: Remove.
17121         * config/i386/uwin.h: Remove.
17122         * config/kaos.h: Remove.
17123         * config/mips/windiss.h: Remove.
17124         * config/mt: Remove directory.
17125         * config/pa/pa-osf.h: Remove.
17126         * config/pa/pa-pro-end.h: Remove.
17127         * config/pa/t-pro: Remove.
17128         * config/ptx4.h: Remove.
17129         * config/rs6000/beos.h: Remove.
17130         * config/rs6000/kaos-ppc.h: Remove.
17131         * config/rs6000/t-beos: Remove.
17132         * config/rs6000/windiss.h: Remove.
17133         * config/sh/kaos-sh.h: Remove.
17134         * config/sol2-6.h: Remove.
17135         * config/sparc/sol26-sld.h: Remove.
17136         * config/sparc/sysv4-only.h: Remove.
17137         * config/vax/bsd.h: Remove.
17138         * config/vax/t-memfuncs: Remove.
17139         * config/vax/ultrix.h: Remove.
17140         * config/vax/vaxv.h: Remove.
17141         * config/windiss.h: Remove.
17143 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
17145         PR rtl-optimization/36438
17146         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
17147         for vector shifts with constant scalar shift operands.
17149 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
17151         * doc/invoke.texi: Document -march=xlr.
17152         * config/mips/xlr.md: New file.
17153         * config/mips/mips.md: Include it.
17154         (cpu): Add "xlr".
17155         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
17156         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
17157         (mips_rtx_cost_data): Likewise.
17159 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
17161         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
17162         PRE_INC and PRE_DEC cases.
17164 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
17166         PR rtl-optimization/36419
17167         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
17168         the emitting jump insn.
17170         PR target/36362
17171         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
17172         is not bool, boolify the whole *expr_p and convert to the desired type.
17174 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
17176         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
17177         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
17178         Add omp_private_outer_ref hook, add another argument to
17179         omp_clause_default_ctor hook.
17180         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
17181         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
17182         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
17183         hook_tree_tree_tree_tree_null.
17184         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
17185         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
17186         * hooks.c (hook_tree_tree_tree_tree_null): New function.
17187         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
17188         * tree.def (OMP_TASK): New tree code.
17189         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
17190         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
17191         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
17192         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
17193         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
17194         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
17195         OMP_CLAUSE_COLLAPSE_EXPR): Define.
17196         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
17197         (OMP_DIRECTIVE_P): Add OMP_TASK.
17198         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
17199         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
17200         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
17201         and OMP_CLAUSE_UNTIED entries.
17202         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
17203         num_ops to 2.
17204         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
17205         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
17206         * tree-pretty-print.c (dump_omp_clause): Handle
17207         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
17208         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
17209         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
17210         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
17211         warning about unsigned iterators.  Change decl/init/cond/incr
17212         arguments to TREE_VECs, check arguments for all collapsed loops.
17213         (c_finish_omp_taskwait): New function.
17214         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
17215         ws_clauses.
17216         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
17217         default_function_array_conversion on init.  Add par_clauses argument.
17218         If decl is present in parallel's lastprivate clause, change it to
17219         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
17220         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
17221         collapse count in clauses.
17222         (c_parser_omp_for, c_parser_omp_parallel): Adjust
17223         c_parser_omp_for_loop callers.
17224         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
17225         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
17226         (c_parser_omp_clause_name): Handle collapse and untied clauses.
17227         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
17228         functions.
17229         (c_parser_omp_clause_schedule): Handle schedule(auto).
17230         Include correct location in the error message.
17231         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
17232         and PRAGMA_OMP_CLAUSE_UNTIED.
17233         (OMP_TASK_CLAUSE_MASK): Define.
17234         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
17235         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
17236         * tree-nested.c (convert_nonlocal_omp_clauses,
17237         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
17238         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
17239         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
17240         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
17241         OMP_CLAUSE_DECL.
17242         (conver_nonlocal_reference, convert_local_reference,
17243         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
17244         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
17245         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
17246         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
17247         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
17248         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
17249         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
17250         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
17251         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
17252         OMP_CLAUSE_UNTIED.
17253         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
17254         * c-common.h (c_finish_omp_taskwait): New prototype.
17255         * gimple-low.c (lower_stmt): Handle OMP_TASK.
17256         * tree-parloops.c (create_parallel_loop): Create 1 entry
17257         vectors for OMP_FOR_{INIT,COND,INCR}.
17258         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
17259         (make_edges): Handle OMP_TASK.
17260         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
17261         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
17262         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
17263         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
17264         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
17265         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
17266         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
17267         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
17268         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
17269         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
17270         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
17271         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
17272         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
17273         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
17274         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
17275         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
17276         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
17277         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
17278         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
17279         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
17280         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
17281         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
17282         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
17283         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
17284         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
17285         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
17286         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
17287         original iterator is present in lastprivate clause or if
17288         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
17289         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
17290         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
17291         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
17292         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
17293         if it is set, lookup var in outer contexts too.  Handle
17294         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
17295         to be implicitly determined firstprivate for task regions.
17296         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
17297         if it is set, lookup var in outer contexts too.  Set
17298         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
17299         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
17300         OMP_CLAUSE_UNTIED.  Take region_type as last argument
17301         instead of in_parallel and in_combined_parallel.
17302         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
17303         Adjust callers.
17304         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
17305         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
17306         (new_omp_context): Set default_kind to
17307         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
17308         (omp_region_type): New enum.
17309         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
17310         fields, add region_type.
17311         (new_omp_context): Take region_type as argument instead of is_parallel
17312         and is_combined_parallel.
17313         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
17314         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
17315         ctx->is_combined_parallel checks.
17316         (gimplify_omp_task): New function.
17317         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
17318         OMP_CLAUSE_UNTIED.
17319         * omp-low.c (extract_omp_for_data): Use schedule(static)
17320         for schedule(auto).  Handle pointer and unsigned iterators.
17321         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
17322         Add loops argument.  Extract data for collapsed OMP_FOR loops.
17323         (expand_parallel_call): Assert sched_kind isn't auto,
17324         map runtime schedule to index 3.
17325         (struct omp_for_data_loop): New type.
17326         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
17327         Add loop, loops, collapse and iter_type fields.
17328         (workshare_safe_to_combine_p): Disallow combined for if
17329         iter_type is unsigned long long.  Don't combine collapse > 1 loops
17330         unless all bounds and steps are constant.  Adjust extract_omp_for_data
17331         caller.
17332         (expand_omp_for_generic): Handle pointer, unsigned and long long
17333         iterators.  Handle collapsed OMP_FOR loops.  Adjust
17334         for struct omp_for_data changes.  If libgomp function doesn't return
17335         boolean_type_node, add comparison of the return value with 0.
17336         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
17337         pointer, unsigned and long long iterators.  Adjust for struct
17338         omp_for_data changes.
17339         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
17340         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
17341         unsigned long long.  Allocate loops array, pass it to
17342         extract_omp_for_data.  For collapse > 1 loops use always
17343         expand_omp_for_generic.
17344         (omp_context): Add sfield_map and srecord_type fields.
17345         (is_task_ctx, lookup_sfield): New functions.
17346         (use_pointer_for_field): Use is_task_ctx helper.  Change first
17347         argument's type from const_tree to tree.  Clarify comment.
17348         In OMP_TASK disallow copy-in/out sharing.
17349         (build_sender_ref): Call lookup_sfield instead of lookup_field.
17350         (install_var_field): Add mask argument.  Populate both record_type
17351         and srecord_type if needed.
17352         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
17353         in srecord_type.
17354         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
17355         and DECL_FIELD_OFFSET.
17356         (scan_sharing_clauses): Adjust install_var_field callers.  For
17357         firstprivate clauses on explicit tasks allocate the var by value in
17358         record_type unconditionally, rather than by reference.
17359         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
17360         Use is_taskreg_ctx instead of is_parallel_ctx.
17361         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
17362         (create_omp_child_function_name): Add task_copy argument, use
17363         *_omp_cpyfn* names if it is true.
17364         (create_omp_child_function): Add task_copy argument, if true create
17365         *_omp_cpyfn* helper function.
17366         (scan_omp_parallel): Adjust create_omp_child_function callers.
17367         Rename parallel_nesting_level to taskreg_nesting_level.
17368         (scan_omp_task): New function.
17369         (lower_rec_input_clauses): Don't run constructors for firstprivate
17370         explicit task vars which are initialized by *_omp_cpyfn*.
17371         Pass outer var ref to omp_clause_default_ctor hook if
17372         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
17373         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
17374         OMP_CLAUSE_REDUCTION_INIT.
17375         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
17376         avoid duplicate setting of fields.  Handle
17377         OMP_CLAUSE_PRIVATE_OUTER_REF.
17378         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
17379         copy-out if TREE_READONLY, only copy-in.
17380         (expand_task_copyfn): New function.
17381         (expand_task_call): New function.
17382         (struct omp_taskcopy_context): New type.
17383         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
17384         New functions.
17385         (lower_omp_parallel): Rename to...
17386         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
17387         Call create_task_copyfn if srecord_type is needed.  Adjust
17388         sender_decl type.
17389         (task_shared_vars): New variable.
17390         (check_omp_nesting_restrictions): Warn if work-sharing,
17391         barrier, master or ordered region is closely nested inside OMP_TASK.
17392         Add warnings for barrier if closely nested inside of work-sharing,
17393         ordered, or master region.
17394         (scan_omp_1): Call check_omp_nesting_restrictions even for
17395         GOMP_barrier calls.  Rename parallel_nesting_level to
17396         taskreg_nesting_level.  Handle OMP_TASK.
17397         (lower_lastprivate_clauses): Even if some lastprivate is found on a
17398         work-sharing construct, continue looking for them on parent parallel
17399         construct.
17400         (lower_omp_for_lastprivate): Add lastprivate clauses
17401         to the beginning of dlist rather than end.  Adjust for struct
17402         omp_for_data changes.
17403         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
17404         not after it.  Handle collapsed OMP_FOR loops, adjust for
17405         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
17406         (get_ws_args_for): Adjust extract_omp_for_data caller.
17407         (scan_omp_for): Handle collapsed OMP_FOR
17408         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
17409         (lower_omp_single_simple): If libgomp function doesn't return
17410         boolean_type_node, add comparison of the return value with 0.
17411         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
17412         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
17413         (parallel_nesting_level): Rename to...
17414         (taskreg_nesting_level): ... this.
17415         (is_taskreg_ctx): New function.
17416         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
17417         of is_parallel_ctx.
17418         (execute_lower_omp): Rename parallel_nesting_level to
17419         taskreg_nesting_level.
17420         (expand_omp_parallel): Rename to...
17421         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
17422         Call omp_task_call for OMP_TASK regions.
17423         (expand_omp): Adjust caller, handle OMP_TASK.
17424         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
17426         * bitmap.c (bitmap_default_obstack_depth): New variable.
17427         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
17428         if argument is NULL and bitmap_default_obstack is already initialized.
17429         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
17430         at the end.
17431         * matrix-reorg.c (matrix_reorg): Likewise.
17433 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
17435         * config/i386/i386.md (*indirect_jump): Macroize using P
17436         mode iterator.  Remove !TARGET_64BIT from insn constraints.
17437         (*tablejump_1): Ditto.
17438         (*indirect_jump_rex64): Remove insn pattern.
17439         (*tablejump_1_rex64): Ditto.
17440         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
17441         and eh_return_si insn patterns.
17443 2008-06-06  Richard Guenther  <rguenther@suse.de>
17445         * tree-ssa-structalias.c (merge_smts_into): Remove.
17446         (find_what_p_points_to): Do not bother to compute the
17447         points-to set for pt_anything pointers.
17448         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
17449         for pt_anything pointers is ok.
17451 2008-06-06  Jan Hubicka  <jh@suse.cz>
17453         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
17455 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17457         * cgraph.c: Fix typos in comments.
17458         (cgraph_availability_names): Fix string typo.
17459         * fold-const.c: Fix typos in comments.
17460         (fold_binary): Fix typo in warning.
17461         * genautomata.c: Fix typos in comments.
17462         (check_presence_pattern_sets): Fix typo in local variable.
17463         (output_description): Fix typo in output.
17464         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
17465         * hwint.h: Likewise.
17466         * matrix-reorg.c (check_allocation_function): Likewise.
17467         * omega.c (smooth_weird_equations): Likewise.
17468         * auto-inc-dec.c: Fix typos in comments.
17469         * bb-reorder.c: Likewise.
17470         * builtins.c: Likewise.
17471         * c-common.c: Likewise.
17472         * c-cppbuiltin.c: Likewise.
17473         * c-parser.c: Likewise.
17474         * c-pretty-print.c: Likewise.
17475         * cfgcleanup.c: Likewise.
17476         * cfgexpand.c: Likewise.
17477         * cfghooks.c: Likewise.
17478         * cfglayout.c: Likewise.
17479         * cfgloopmanip.c: Likewise.
17480         * cgraphunit.c: Likewise.
17481         * coverage.c: Likewise.
17482         * dbxout.c: Likewise.
17483         * df-byte-scan.c: Likewise.
17484         * df-core.c: Likewise.
17485         * df-problems.c: Likewise.
17486         * df-scan.c: Likewise.
17487         * dfp.c: Likewise.
17488         * dominance.c: Likewise.
17489         * domwalk.c: Likewise.
17490         * dse.c: Likewise.
17491         * dwarf2out.c: Likewise.
17492         * emit-rtl.c: Likewise.
17493         * et-forest.c: Likewise.
17494         * function.c: Likewise.
17495         * function.h: Likewise.
17496         * gcc.c: Likewise.
17497         * gcov-io.c: Likewise.
17498         * gcov.c: Likewise.
17499         * gcse.c: Likewise.
17500         * genattrtab.c: Likewise.
17501         * ggc-page.c: Likewise.
17502         * gimplify.c: Likewise.
17503         * gthr-lynx.h: Likewise.
17504         * haifa-sched.c: Likewise.
17505         * ipa-cp.c: Likewise.
17506         * ipa-inline.c: Likewise.
17507         * ipa-prop.h: Likewise.
17508         * ipa-pure-const.c: Likewise.
17509         * ipa-struct-reorg.c: Likewise.
17510         * ipa-struct-reorg.h: Likewise.
17511         * ipa-type-escape.c: Likewise.
17512         * ipa.c: Likewise.
17513         * loop-doloop.c: Likewise.
17514         * mips-tfile.c: Likewise.
17515         * mkmap-flat.awk: Likewise.
17516         * mkmap-symver.awk: Likewise.
17517         * modulo-sched.c: Likewise.
17518         * omp-low.c: Likewise.
17519         * optabs.c: Likewise.
17520         * optabs.h: Likewise.
17521         * opts.c: Likewise.
17522         * passes.c: Likewise.
17523         * postreload-gcse.c: Likewise.
17524         * postreload.c: Likewise.
17525         * predict.c: Likewise.
17526         * pretty-print.h: Likewise.
17527         * profile.c: Likewise.
17528         * protoize.c: Likewise.
17529         * ra-conflict.c: Likewise.
17530         * real.c: Likewise.
17531         * recog.c: Likewise.
17532         * regclass.c: Likewise.
17533         * regs.h: Likewise.
17534         * reload.c: Likewise.
17535         * rtl-error.c: Likewise.
17536         * rtlanal.c: Likewise.
17537         * scan.h: Likewise.
17538         * sched-rgn.c: Likewise.
17539         * see.c: Likewise.
17540         * stmt.c: Likewise.
17541         * target.h: Likewise.
17542         * tree-dfa.c: Likewise.
17543         * tree-eh.c: Likewise.
17544         * tree-flow-inline.h: Likewise.
17545         * tree-inline.c: Likewise.
17546         * tree-into-ssa.c: Likewise.
17547         * tree-loop-distribution.c: Likewise.
17548         * tree-nested.c: Likewise.
17549         * tree-parloops.c: Likewise.
17550         * tree-pass.h: Likewise.
17551         * tree-pretty-print.c: Likewise.
17552         * tree-profile.c: Likewise.
17553         * tree-scalar-evolution.c: Likewise.
17554         * tree-sra.c: Likewise.
17555         * tree-ssa-alias-warnings.c: Likewise.
17556         * tree-ssa-ccp.c: Likewise.
17557         * tree-ssa-coalesce.c: Likewise.
17558         * tree-ssa-dom.c: Likewise.
17559         * tree-ssa-dse.c: Likewise.
17560         * tree-ssa-forwprop.c: Likewise.
17561         * tree-ssa-live.c: Likewise.
17562         * tree-ssa-live.h: Likewise.
17563         * tree-ssa-loop-im.c: Likewise.
17564         * tree-ssa-loop-ivopts.c: Likewise.
17565         * tree-ssa-loop-niter.c: Likewise.
17566         * tree-ssa-loop-prefetch.c: Likewise.
17567         * tree-ssa-phiopt.c: Likewise.
17568         * tree-ssa-phiprop.c: Likewise.
17569         * tree-ssa-sccvn.c: Likewise.
17570         * tree-ssa-ter.c: Likewise.
17571         * tree-ssa-threadupdate.c: Likewise.
17572         * tree-ssa.c: Likewise.
17573         * tree-vect-analyze.c: Likewise.
17574         * tree-vect-transform.c: Likewise.
17575         * tree-vectorizer.c: Likewise.
17576         * tree-vn.c: Likewise.
17577         * tree-vrp.c: Likewise.
17578         * tree.c: Likewise.
17579         * tree.def: Likewise.
17580         * tree.h: Likewise.
17581         * unwind-dw2-fde.c: Likewise.
17582         * unwind.inc: Likewise.
17583         * value-prof.c: Likewise.
17584         * vmsdbgout.c: Likewise.
17586 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
17588         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
17589         always place FP constants in the TOC for TARGET_POWERPC64.
17590         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
17592 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
17594         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
17595         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
17596         enable for TARGET_E500_DOUBLE.
17597         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
17598         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
17599         floating-point modes like integer modes for E500 double.
17600         (rs6000_legitimate_offset_address_p): Likewise.
17601         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
17602         addressing for DDmode for E500 double.
17603         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
17604         modes as using 64-bits of registers for E500 double.
17605         (spe_build_register_parallel): Do not handle DDmode or TDmode.
17606         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
17607         specially for E500 double.
17608         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
17609         TDmode for E500 double.
17610         (rs6000_gimplify_va_arg): Only handle SDmode in registers
17611         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
17612         (rs6000_split_multireg_move): Do not handle TDmode specially for
17613         E500 double.
17614         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
17615         using 64-bit registers for E500 double.
17616         (emit_frame_save): Do not handle DDmode specially for E500 double.
17617         (gen_frame_mem_offset): Likewise.
17618         (rs6000_function_value): Do not call spe_build_register_parallel
17619         for DDmode or TDmode.
17620         (rs6000_libcall_value): Likewise.
17621         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
17622         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
17623         for E500 double.
17625 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
17627         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
17628         in comments.
17630 2008-06-04  Junjie Gu  <jgu@tensilica.com>
17632         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
17633         comparison for frame pointers.
17635 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
17637         PR target/27386
17638         * config/avr/avr.h (PUSH_ROUNDING): Remove.
17640 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
17642         PR target/30243
17643         * builtins.c (expand_builtin_signbit): Don't take lowpart when
17644         register is already smaller or equal to required mode.
17646 2008-06-04  Xinliang David Li  <davidxl@google.com>
17648         * tree-call-cdce.c: New file.
17649         (cond_dead_built_in_calls): New static variable.
17650         (input_domain): New struct.
17651         (check_pow): New function.
17652         (check_builtin_call): Ditto.
17653         (check_target_format): Ditto.
17654         (is_call_dce_candidate): Ditto.
17655         (gen_one_condition): Ditto.
17656         (gen_conditions_for_domain): Ditto.
17657         (get_domain): Ditto.
17658         (gen_conditions_for_pow_cst_base): Ditto.
17659         (gen_conditions_for_pow_int_base): Ditto.
17660         (gen_conditions_for_pow): Ditto.
17661         (get_no_error_domain): Ditto.
17662         (gen_shrink_wrap_conditions): Ditto.
17663         (shrink_wrap_one_built_in_call): Ditto.
17664         (shink_wrap_conditional_dead_built_in_calls): Ditto.
17665         (tree_call_cdce): Ditto.
17666         (gate_call_cdce): Ditto.
17667         (pass_call_cdce): New gimple pass.
17668         * passes.c (init_optimization_passes): New pass.
17669         * tree-pass.h: New pass declaration.
17670         * opts.c (decode_options): New flag setting.
17671         * common.opt: Add -ftree-builtin-call-dce flag.
17672         * Makefile.in: Add new source file.
17673         * tempvar.def: New tv_id.
17674         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
17676 2008-06-04  Richard Guenther  <rguenther@suse.de>
17678         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
17679         (is_call_clobbered): Always check var_ann->call_clobbered.
17680         (mark_call_clobbered): Always set var_ann->call_clobbered.
17681         (clear_call_clobbered): Always clear var_ann->call_clobbered.
17682         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
17683         (reset_alias_info): Clear call clobbering info on MTAGs and
17684         globals as well.
17685         (set_pt_anything): Set pt_global_mem.
17686         (create_tag_raw): Adjust comment.
17687         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
17689 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
17690             Maxim Kuvyrkov  <maxim@codesourcery.com>
17692         * config/m68k/m68k.opt (mxgot): New option.
17693         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
17694         (m68k_output_addr_const_extra): New.
17695         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
17696         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
17697         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
17698         * doc/invoke.texi (M680x0 Options): Document -mxgot.
17700 2008-06-04  Richard Guenther  <rguenther@suse.de>
17702         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
17703         negative or non-representable offsets.
17705 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
17707         * config/i386/i386.c (ix86_gen_leave): New.
17708         (ix86_gen_pop1): Likewise.
17709         (ix86_gen_add3): Likewise.
17710         (ix86_gen_sub3): Likewise.
17711         (ix86_gen_sub3_carry): Likewise.
17712         (ix86_gen_one_cmpl2): Likewise.
17713         (ix86_gen_monitor): Likewise.
17714         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
17715         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
17716         ix86_gen_one_cmpl2 and ix86_gen_monitor.
17717         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
17718         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
17719         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
17720         (ix86_expand_epilogue): Updated.
17721         (print_operand): Handle integer register operand for 'z'.
17722         (ix86_expand_strlensi_unroll_1): Likewise.
17723         (ix86_expand_strlen): Likewise.
17724         (ix86_expand_builtin): Likewise.
17725         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
17726         mov{q}/mov{l} and add{q}/add{l}.
17728 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
17730         * config/i386/i386.md (P): New mode iterator.
17731         (SFmode push_operand splitter): Macroize DImode and SImode pushes
17732         using P mode iterator.
17733         (DFmode push_operand splitter): Ditto.
17734         (XFmode push_operand splitter): Ditto.
17735         (DFmode float_extend SFmode push_operand splitter): Ditto.
17736         (XFmode float_extend SFmode push_operand splitter): Do not generate
17737         SImode pushes for 64bit target.  Macroize Dimode and SImode
17738         pushes using P mode iterator.
17739         (XFmode float_extend DFmode push_operand splitter): Ditto.
17741 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
17743         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
17744         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
17745         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
17746         return type to int.
17747         (ix86_call_abi_override): Remove check for call_used_regs.
17749 2008-06-03  Richard Guenther  <rguenther@suse.de>
17751         * tree-ssa-structalias.c (find_func_aliases): Add constraints
17752         for the lhs of calls if the return type contains pointers.
17754 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
17756         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
17757         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
17758         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
17759         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
17760         of cfun and DEFAULT_ABI to deceide abi mode.
17761         (DEFAULT_ABI): New.
17762         (REG_PARM_STACK_SPACE): Removed.
17763         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
17764         (STACK_BOUNDARY): Use default target to deceide stack boundary.
17765         * config/i386/i386-protos.h (ix86_cfun_abi): New.
17766         (ix86_function_abi): Likewise.
17767         (ix86_function_type_abi): Likewise.
17768         (ix86_call_abi_override): Likewise.
17769         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
17770         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
17771         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
17772         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
17773         specific defines.
17774         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
17775         (ix86_function_regparm): Handle user calling abi.
17776         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
17777         by DEFAULT_ABI versus SYSV_ABI check.
17778         (ix86_reg_parm_stack_space): New.
17779         (ix86_function_type_abi): New.
17780         (ix86_call_abi_override): New.
17781         (ix86_function_abi): New.
17782         (ix86_cfun_abi): New.
17783         (init_cumulative_args): Call abi specific initialization.
17784         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
17785         (function_arg_64): Extend SSE_REGPARM_MAX check.
17786         (function_arg (): Remove TARGET_64BIT_MS_ABI.
17787         (ix86_pass_by_reference): Likewise.
17788         (ix86_function_value_regno_p): Likewise.
17789         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
17790         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
17791         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
17792         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
17793         (setup_incoming_varargs_64): Adjust regparm for call abi.
17794         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
17795         (ix86_va_start): Likewise.
17796         (ix86_gimplify_va_arg): Likewise.
17797         (ix86_expand_prologue): Likewise.
17798         (output_pic_addr_const): Likewise.
17799         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
17800         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
17801         (x86_output_mi_thunk): Likewise.
17802         (x86_function_profiler): Likewise.
17803         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
17804         (SYSV_ABI, MS_ABI): New constants.
17805         (DEFAULT_ABI): New.
17806         (init_regs): Add prototype of function in regclass.c file.
17807         (OVERRIDE_ABI_FORMAT): New.
17808         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
17809         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
17810         (OUTGOING_REG_PARM_STACK_SPACE): New.
17811         (ix86_reg_parm_stack_space): New prototype.
17812         (CUMULATIVE_ARGS): Add call_abi member.
17813         (X86_64_REGPARM_MAX): New.
17814         (X86_64_SSE_REGPARM_MAX): New.
17815         (X64_REGPARM_MAX): New.
17816         (X64_SSE_REGPARM_MAX): New.
17817         (X86_32_REGPARM_MAX): New.
17818         (X86_32_SSE_REGPARM_MAX): New.
17819         (REGPARM_MAX): Updated.
17820         (SSE_REGPARM_MAX): Updated.
17821         (machine_function): Add call_abi member.
17822         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
17823         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
17825 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
17827         PR target/34879
17828         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
17829         (avr_builtin_setjmp_frame_value): New function.
17830         * config/avr/avr.md (nonlocal_goto_receiver): Define.
17831         (nonlocal_goto): Define.
17833 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
17835         * config/mips/mips.c (mips_emit_loadgp): Return early if
17836         there is nothing do to, otherwise emit a blockage if
17837         !TARGET_EXPLICIT_RELOCS || crtl->profile.
17838         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
17840 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17842         * configure.ac: Drop unneeded backslash ending up in config.in.
17843         * acinclude.m4: Likewise.
17844         * config.in: Regenerate.
17846 2008-05-26  Jan Hubicka  <jh@suse.cz>
17848         * predict.c (maybe_hot_frequency_p): Break out of...
17849         (maybe_hot_bb_p): ... here.
17850         (maybe_hot_edge_p): New.
17851         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
17852         * basic-block.h (maybe_hot_edge_p): Declare.
17854 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
17856         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
17857         (*cmpfp_<mode>_cc): Ditto.
17858         (*fp_jcc_8<mode>_387): Ditto.
17859         (*fop_<MODEF:mode>_2_i387): Ditto.
17860         (*fop_<MODEF:mode>_3_i387): Ditto.
17861         (*fop_xf_2_i387): Ditto.
17862         (*fop_xf_3_i387): Ditto.
17864 2008-06-02  Tomas Bily  <tbily@suse.cz>
17866         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
17868 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
17870         * config/mips/mips.c (mips_valid_offset_p): New function.
17871         (mips_valid_lo_sum_p): Likewise.
17872         (mips_classify_address): Use them.
17873         (mips_force_address): New function.
17874         (mips_legitimize_address): Use it.
17875         * config/mips/mips.md (MOVE128): New mode iterator.
17876         (movtf): Require TARGET_64BIT.  Remove empty strings.
17877         (*movtf_internal): Rename to...
17878         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
17879         of "R" and use {,fp}{load,store} attributes instead of "multi".
17880         Use a separate define_split.
17881         (*movtf_mips16): New pattern.
17883 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
17885         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
17886         * config/mips/mips.c (mips_expand_before_return): New function.
17887         (mips_expand_epilogue): Call it.
17888         * config/mips/mips.md (return): Turn into a define_expand.
17889         (*return): New insn.
17891 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
17893         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
17894         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
17895         functions.  Do not emit uses and clobbers of CONCATs; individually
17896         use and clobber their operands.
17897         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
17898         gen_clobber, emit_use and gen_use.
17899         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
17900         (expand_builtin_return): Likewise.
17901         * cfgbuild.c (count_basic_blocks): Likewise.
17902         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
17903         * explow.c (emit_stack_restore): Likewise.
17904         * expmed.c (extract_bit_field_1): Likewise.
17905         * expr.c (convert_move, emit_move_complex_parts): Likewise.
17906         (emit_move_multi_word, store_constructor): Likewise.
17907         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
17908         (thread_prologue_and_epilogue_insns): Likewise.
17909         * lower-subreg.c (resolve_simple_move): Likewise.
17910         * optabs.c (widen_operand, expand_binop): Likewise.
17911         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
17912         * reload.c (find_reloads): Likewise.
17913         * reload1.c (eliminate_regs_in_insn): Likewise.
17914         * stmt.c (expand_nl_goto_receiver): Likewise.
17915         * config/alpha/alpha.md (builtin_longjmp): Likewise.
17916         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
17917         * config/arm/arm.c (arm_load_pic_register): Likewise.
17918         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
17919         * config/arm/arm.md (untyped_return): Likewise.
17920         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
17921         * config/avr/avr.c (expand_prologue): Likewise.
17922         * config/bfin/bfin.c (do_unlink): Likewise.
17923         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
17924         * config/cris/cris.c (cris_expand_prologue): Likewise.
17925         * config/darwin.c (machopic_indirect_data_reference): Likewise.
17926         (machopic_legitimize_pic_address): Likewise.
17927         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
17928         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
17929         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
17930         (ix86_expand_convert_uns_didf_sse): Likewise.
17931         (ix86_expand_vector_init_general): Likewise.
17932         * config/ia64/ia64.md (eh_epilogue): Likewise.
17933         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
17934         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
17935         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
17936         (config/iq2000/iq2000.c): Likewise.
17937         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
17938         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
17939         (builtin_longjmp): Likewise.
17940         * config/mn10300/mn10300.md (call, call_value): Likewise.
17941         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
17942         * config/pdp11/pdp11.md (abshi2): Likewise.
17943         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
17944         * config/s390/s390.c (s390_emit_prologue): Likewise.
17945         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
17946         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
17947         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
17948         * config/sh/sh.c (prepare_move_operands): Likewise.
17949         (output_stack_adjust, sh_expand_epilogue): Likewise.
17950         (sh_set_return_address, sh_expand_t_scc): Likewise.
17951         * config/sparc/sparc.c (load_pic_register): Likewise.
17952         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
17953         * config/spu/spu.c (spu_expand_epilogue): Likewise.
17954         * config/v850/v850.c (expand_epilogue): Likewise.
17956 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
17958         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
17959         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
17960         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
17961         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
17962         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
17963         stack pointer register.
17964         (output_movhi): Remove code for interrupt specific writing to the
17965         stack pointer register.
17967 2008-05-31  Richard Guenther  <rguenther@suse.de>
17969         PR tree-optimization/34244
17970         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
17971         (tree_expr_nonzero_warnv_p): Likewise.
17972         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
17973         ssa_name_nonnegative_p.
17974         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
17975         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
17976         not tree_expr_nonzero_warnv_p.
17978         PR tree-optimization/36262
17979         Revert
17980         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
17982         PR tree-optimization/34244
17983         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
17984         (record_numbers_of_iterations): New function.
17985         (execute_vrp): Cache the numbers of iterations of loops.
17986         * tree-scalar-evolution.c (scev_reset_except_niters):
17987         New function.
17988         (scev_reset): Use scev_reset_except_niters.
17989         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
17991 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
17993         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
17994         __WORKAROUND_RETS when appropriate.
17996 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
17998         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
17999         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
18000         mode iterator.
18001         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
18002         *fop_df_comm_sse insn patterns using MODEF mode iterator.
18003         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
18004         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
18005         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
18006         *fop_df_1_mixed insn patterns using MODEF mode iterator.
18007         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
18008         *fop_df_1_sse insn patterns using MODEF mode iterator.
18009         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
18010         *fop_df_1_i387 insn patterns using MODEF mode iterator.
18011         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
18012         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
18013         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
18014         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
18015         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
18016         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
18017         (*fop_xf_4_i387): Use <MODE> for mode attribute.
18018         (*fop_xf_5_i387): Ditto.
18019         (*fop_xf_6_i387): Ditto.
18021 2008-05-30  Richard Guenther  <rguenther@suse.de>
18023         * builtins.c (build_string_literal): Avoid generating
18024         a non-gimple_val result.
18026 2008-05-30  DJ Delorie  <dj@redhat.com>
18028         * exec-tool.in: Use an environment variable (private) instead of a
18029         file (shared) as a semaphore, so as to not break parallel builds.
18031 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
18033         * optabs.c (maybe_encapsulate_block): Remove.
18034         (emit_libcall_block): Adjust accordingly.
18035         * optabs.h (maybe_encapsulate_block): Remove prototype.
18037         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
18038         Don't use maybe_encapsulate_block.
18040 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
18042         * config/rs6000/rs6000.c (rs6000_legitimize_address,
18043         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
18044         rtx is a SYMBOL_REF before calling get_pool_constant.
18046 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
18048         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
18050 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
18052         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
18053         rather than OS names to choose INO_T_EQ definition.
18054         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
18055         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
18057 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
18059         PR target/36348
18060         * config/darwin-f.c: New.
18061         * config/t-darwin: Added rule to build darwin-f.o.
18062         * config.gcc: Defined new variable, fortran_target_objs.
18063         (*-*-darwin*): Set fortran_target_objs.
18064         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
18065         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
18066         * configure: Regenerated.
18068 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
18070         PR target/35771
18071         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
18072         canonical type if needed.
18074 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
18076         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
18078 2008-05-29  Richard Guenther  <rguenther@suse.de>
18080         PR tree-optimization/36343
18081         PR tree-optimization/36346
18082         PR tree-optimization/36347
18083         * tree-flow.h (clobber_what_p_points_to): Declare.
18084         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
18085         pointed-to variable is dereferenced is irrelevant to whether
18086         the pointer can access the pointed-to variable.
18087         (clobber_what_p_points_to): New function.
18088         * tree-ssa-alias.c (set_initial_properties): Use it.
18089         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
18090         call clobber check for NMTs.
18092 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
18094         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
18095         for printing gcov_type.
18097 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
18099         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
18100         and the eh region information.
18101         * value-prof.c (gimple_move_stmt_histograms): New function.
18102         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
18104 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
18106         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
18108 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
18110         * value-prof.c (tree_ic_transform): Print counts.
18111         * tree-profile.c (tree_gen_ic_func_profiler):
18112         Clear __gcov_indreict_call_callee variable to avoid misattribution
18113         of the profile.
18115 2008-05-28  Rafael Espíndola  <espindola@google.com>
18117         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
18118         invalid sharing.
18120 2008-05-28  Richard Guenther  <rguenther@suse.de>
18122         PR tree-optimization/36339
18123         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
18124         and clobbering code out of the loop.
18126 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
18128         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
18129         letters defined.
18131         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
18132         s390_contiguous_bitmask_p, s390_symref_operand_p,
18133         s390_check_symref_alignment, s390_reload_larl_operand,
18134         s390_reload_symref_address): New functions.
18135         (s390_branch_condition_mnemonic): Support compare and branch
18136         instructions.
18137         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
18138         and 'W' constraints.
18139         (s390_secondary_reload): Add secondary reloads for unaligned
18140         symbol refs or symbol refs to floating point or QI/TI mode
18141         integer values.
18142         (legitimate_address_p): Accept symbol references as addresses.
18143         (s390_expand_insv): Use rotate and insert selected bits
18144         instruction for insv when building for z10.
18145         (print_operand_address): Handle symbol ref addresses.
18146         (print_operand): Output modifier 'c' added for signed byte values.
18147         (s390_encode_section_info): Mark symbol refs with
18148         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
18150         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
18151         (length attribute): RRF, RRR have 4 byte length.
18152         (FPALL, INTALL): New mode iterators added.
18153         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
18154         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
18155         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
18156         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
18157         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
18158         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
18159         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
18160         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
18161         instructions.
18162         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
18163         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
18164         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
18165         reload<INTALL:mode><P:mode>_toreg_z10,
18166         reload<FPALL:mode><P:mode>_tomem_z10,
18167         reload<FPALL:mode><P:mode>_toreg_z10,
18168         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
18169         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
18170         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
18171         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
18172         definition.
18173         (movmem, clrmem, cmpmem): New splitters added.
18175         * config/s390/predicates.md (larl_operand): Use
18176         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
18177         SYMBOL_REF_ALIGN1_P.
18178         (s390_signed_integer_comparison,
18179         s390_unsigned_integer_comparison): New predicates.
18181         * config/s390/s390-protos.h (s390_check_symref_alignment,
18182         s390_contiguous_bitmask_p, s390_reload_larl_operand,
18183         s390_reload_symref_address,
18184         s390_compare_and_branch_condition_mask): Prototypes added.
18186         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
18187         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
18188         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
18190 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
18192         * config/s390/s390.c (z10_cost): New cost function for z10.
18193         (s390_handle_arch_option, override_options): Support -march=z10 switch.
18194         (s390_issue_rate): Adjust issue rate for z10.
18195         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
18196         (processor_flags): Add PF_Z10.
18197         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
18198         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
18199         * gcc/config.gcc: Add z10.
18201 2008-05-28  Richard Guenther  <rguenther@suse.de>
18203         PR tree-optimization/36291
18204         * tree-flow. h (struct gimple_df): Remove var_anns member.
18205         * tree-flow-inline.h (gimple_var_anns): Remove.
18206         (var_ann): Simplify.
18207         * tree-dfa.c (create_var_ann): Simplify.
18208         (remove_referenced_var): Clear alias info from var_anns of globals.
18209         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
18210         (delete_tree_ssa): Clear alias info from var_anns of globals.
18211         Do not free var_anns.
18212         (var_ann_eq): Remove.
18213         (var_ann_hash): Likewise.
18215 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
18217         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
18218         and loongson2f entries.
18219         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
18220         * config/mips/mips.h (processor_type): Add Loongson-2E
18221         and Loongson-2F entries.
18222         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
18223         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
18224         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
18225         * doc/invoke.texi (MIPS Options): Document loongson2e
18226         and loongson2f processor names.
18228 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
18230         PR target/35767
18231         PR target/35771
18232         * config/i386/i386.c (ix86_function_arg_boundary): Use
18233         alignment of canonical type.
18234         (ix86_expand_vector_move): Check unaligned memory access for
18235         all SSE modes.
18237 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
18239         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
18240         Moved to the front of file.
18242 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
18243             H.J. Lu  <hongjiu.lu@intel.com>
18245         * dwarf2out.c (current_fde): New.
18246         (add_cfi): Use it.
18247         (lookup_cfa:): Likewise.
18248         (dwarf2out_end_epilogue): Likewise.
18249         (dwarf2out_note_section_used): Likewise.
18251 2008-05-27  Michael Matz  <matz@suse.de>
18253         PR c++/27975
18254         * c.opt (Wenum-compare): New warning option.
18255         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
18257 2008-05-27  Michael Matz  <matz@suse.de>
18259         PR middle-end/36326
18260         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
18261         non-BLKmode types.
18262         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
18263         into memory as tail calls.
18265 2008-05-27  Richard Guenther  <rguenther@suse.de>
18267         PR tree-optimization/36339
18268         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
18269         pointers cause all addressable variables to be call clobbered.
18271 2008-05-27  Richard Guenther  <rguenther@suse.de>
18273         PR tree-optimization/36245
18274         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
18276 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
18278         * config/s390/s390.md: Replace all occurences of the 'm'
18279         constraint with 'RT'.
18281 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
18283         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
18284         definitions added.
18285         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
18286         "*movdi_64".
18287         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
18288         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
18289         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
18291 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
18293         * reload.c (find_reloads): Skip alternatives according to the
18294         "enabled" attribute. Constify the constraint variable.
18295         * recog.c (get_attr_enabled): Add default implementation.
18296         (extract_insn): Set the alternative_enabled_p array
18297         in the recog_data struct.
18298         (preprocess_constraints, constrain_operands): Skip
18299         alternatives according to the "enabled" attribute
18300         * recog.h (struct recog_data): New field alternative_enabled_p.
18301         (skip_alternative): New inline function.
18302         * regclass.c (record_operand_costs): Check the "enabled" attribute.
18303         (record_reg_classes): Skip alternative according to the
18304         "enabled" attribute.
18306         * doc/md.texi: Add documention for the "enabled" attribute.
18308 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
18310         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
18311         * postreload.c (reload_cse_simplify_operands): Replace 'm'
18312         constraint with TARGET_MEM_CONSTRAINT.
18313         * recog.c (asm_operand_ok, preprocess_constraints,
18314         constrain_operands): Likewise.
18315         * regclass.c (record_reg_classes): Likewise.
18316         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
18317         * reload1.c (maybe_fix_stack_asms): Likewise.
18318         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
18319         * recog.h: Adjust comment.
18320         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
18321         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
18322         * doc/md.texi: Add a note to description of 'm' constraint.
18323         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
18325 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
18327         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
18328         that the bitfield is of integral type before testing its precision.
18330 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
18331             Sa Liu  <saliu@de.ibm.com>
18333         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
18334         __modti3, __udivti3, __umodti3 and __udivmodti4.
18335         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
18336         that implement TImode mul and div functions.
18337         * config/spu/multi3.c: New. Implement __multi3.
18338         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
18339         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
18340         functions on SPU.
18342 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
18344         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
18345         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
18346         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
18347         tls_sysv_suffix): New mode and mode attribute iterators.
18348         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
18349         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
18350         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
18351         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
18352         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
18353         iterators.
18355 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
18357         PR tree-optimization/36329
18358         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
18359         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
18360         * cgraphbuild.c (initialize_inline_failed): Use the latter
18361         macro in lieu of the former.
18362         * ipa-inline.c (cgraph_mark_inline): Likewise.
18363         (cgraph_decide_inlining_of_small_function): Likewise.
18364         (cgraph_decide_inlining): Likewise.
18365         (cgraph_decide_inlining_incrementally): Likewise.
18367 2008-05-26  Tristan Gingold  <gingold@adacore.com>
18368             Anatoly Sokolov  <aesok@post.ru>
18370         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
18371         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
18372         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
18373         optimization for 'avr6' architecture.
18375 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
18377         PR target/34932
18378         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
18380 2008-05-26  Richard Guenther  <rguenther@suse.de>
18382         * tree-ssa-sccvn.c (expr_has_constants): Declare.
18383         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
18385 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
18387         PR middle-end/36253
18388         * caller-save.c (insert_restore): Verify alignment of spill space.
18389         (insert_save): Likewise.
18390         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
18391         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
18392         (STACK_SLOT_ALIGNMENT): Likewise.
18393         * function.c (LOCAL_ALIGNMENT): Removed.
18394         (get_stack_local_alignment): New.
18395         (assign_stack_local): Use it.  Set alignment on stack slot.
18396         (assign_stack_temp_for_type): Use get_stack_local_alignment.
18397         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
18398         (STACK_SLOT_ALIGNMENT): New.
18399         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
18400         stack slot in XFmode.
18402         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
18404 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
18406         PR/36321
18407         * config/i386/i386.md (allocate_stack_worker_64): Make sure
18408         argument operand in rax isn't removed.
18410 2008-05-26  Richard Guenther  <rguenther@suse.de>
18412         PR middle-end/36300
18413         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
18414         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
18416 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
18418         PR bootstrap/36331
18419         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
18421 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
18423         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
18424         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
18426 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
18428         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
18429         build a trampoline if we don't want one.
18430         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
18431         return zero for nested functions if we don't want a trampoline.
18433 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
18435         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
18437 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
18439         PR fortran/18428
18440         * c.opt: Removed undocumented option '-lang-fortran'.
18441         * c-common.h: Removed global variable 'lang_fortran'.
18442         * c-opts.c (c_common_handle_option): Removed code to handle
18443         option '-lang-fortran'. Updated includes.
18444         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
18445         definition of '__GFORTRAN__'.
18446         (define__GNUC__): Reimplemented to use BASEVER and
18447         cpp_define_formatted.
18448         (builtin_define_with_value_n): Removed.
18449         * c-incpath.h: Renamed to ...
18450         * incpath.h: ... this.
18451         * c-incpath.c: Renamed to ...
18452         * incpath.c: ... this. Updated includes.
18453         * fix-header.c: Updated includes.
18454         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
18455         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
18456         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
18458 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
18460         * tree.h: Update the table of flags used on tree nodes.
18461         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
18462         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
18463         (FORCED_LABEL): Add access check.
18464         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
18465         (ASM_INPUT_P): Likewise.
18466         (ASM_VOLATILE_P): Likewise.
18467         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
18468         (OMP_SECTION_LAST): Access private_flag directly.
18469         (OMP_RETURN_NOWAIT): Likewise.
18470         (OMP_PARALLEL_COMBINED): Likewise.
18471         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
18472         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
18473         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
18474         deprecated_flag directly.
18476 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
18478         * final.c (frame_pointer_needed): Removed.
18479         * flags.h (frame_pointer_needed): Likewise.
18481         * function.h (rtl_data): Add frame_pointer_needed.
18482         (frame_pointer_needed): New.
18484 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
18486         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
18488 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
18490         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
18491         SRC is a REG.
18493 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
18495         * c-common.c (strip_array_types): Move function to..
18496         * tree.c: ..here.
18497         (get_inner_array_type): Delete.
18498         * c-common.h (strip_array_types): Move declaration to..
18499         * tree.h: ..here.
18500         (get_inner_array_type): Delete.
18501         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
18502         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
18503         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
18504         * config/pa/pa.c (emit_move_sequence): Likewise.
18506 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
18508         * config/i386/i386.md (*sse_prologue_save_insn): Set length
18509         attribute to 34.
18511 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
18513         * function.c: Include target hook for nonlocal_goto frame value.
18515 2008-05-24  Richard Guenther  <rguenther@suse.de>
18517         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
18518         variable can be only accessed through a pointer or a union.
18520 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18522         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
18523         * doc/extend.texi: Likewise.
18525 2008-05-23  DJ Delorie  <dj@redhat.com>
18527         * config/m32c/jump.md (untyped_call): Add.
18529         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
18530         for A24 to PSImode.
18531         (m32c_address_cost): Detail costs for indirect offsets.
18533 2008-05-23  Rafael Espíndola  <espindola@google.com>
18535         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
18536         if a node is a SUBREG.
18537         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
18538         is a SUBREG.
18540 2008-05-23  Paul Brook  <paul@codesourcery.com>
18541             Carlos O'Donell  <carlos@codesourcery.com>
18543         * doc/extend.texi: Clarify use of __attribute__((naked)).
18544         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
18545         * target.h (gcc_target): Add allocate_stack_slots_for_args.
18546         * function.c (use_register_for_decl): Use
18547         targetm.calls.allocate_stack_slots_for_args.
18548         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
18549         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
18550         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
18552 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
18554         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
18556 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
18558         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
18559         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
18560         is only rounded once.
18562 2008-05-23  Richard Guenther  <rguenther@suse.de>
18564         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
18566 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
18567             Jakub Jelinek  <jakub@redhat.com>
18569         PR target/36079
18570         * configure.ac: Handle --enable-cld.
18571         * configure: Regenerated.
18572         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
18573         * config/i386/i386.h (struct machine_function): Add needs_cld field.
18574         (ix86_current_function_needs_cld): New define.
18575         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
18576         (cld): New isns pattern.
18577         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
18578         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
18579         * config/i386/i386.opt (mcld): New option.
18580         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
18581         TARGET_CLD and ix86_current_function_needs_cld.
18582         (override_options): Use -mcld by default for 32-bit code if
18583         USE_IX86_CLD.
18585         * doc/install.texi (Options specification): Document --enable-cld.
18586         * doc/invoke.texi (Machine Dependent Options)
18587         [i386 and x86-64 Options]: Add -mcld option.
18588         (Intel 386 and AMD x86-64 Options): Document -mcld option.
18590 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
18591         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
18592         (return_in_memory_64): Likewise.
18593         (return_in_memory_ms_64): Likewise.
18595 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18597         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
18598         * builtins.c (fold_builtin_fpclassify): New.
18599         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
18600         * builtins.def (BUILT_IN_FPCLASSIFY): New.
18601         * c-common.c (handle_type_generic_attribute): Adjust to accept
18602         fixed arguments before an elipsis.
18603         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
18604         * doc/extend.texi: Document __builtin_fpclassify.
18606 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
18608         * omp-low.c (gate_expand_omp_ssa): Remove.
18609         (pass_expand_omp_ssa): Remove.
18610         (gate_expand_omp): Do not check for flag_openmp_ssa.
18611         * common.opt (-fopenmp-ssa): Remove.
18612         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
18614 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
18616         * config/sh/sh.opt (mfixed-range): New option.
18617         * config/sh/sh-protos.h (sh_fix_range): Declare.
18618         * config/sh/sh.c (sh_fix_range): New function.
18619         * config/sh/sh.h (sh_fixed_range_str): Declare.
18620         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
18621         is not empty.
18622         * doc/invoke.texi (SH Options): Document -mfixed-range.
18624 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
18626         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
18627         it before the redeclaration.
18629 2008-05-22  Anatoly Sokolov  <aesok@post.ru>
18631         * config/avr/avr.c (get_sequence_length): Add new function.
18632         (expand_prologue, expand_epilogue): Remove duplicate code.
18634 2008-05-22  Rafael Espíndola  <espindola@google.com>
18636         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
18637         sharing.
18639 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
18641         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
18642         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
18644         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
18645         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
18646         (vect_update_misalignment_for_peel): Likewise.
18647         (vector_alignment_reachable_p): Likewise.
18648         * tree-vect-transform.c (vectorizable_load): Likewise.
18649         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
18650         (get_vectype_for_scalar_type): Pass mode of scalar_type
18651         to UNITS_PER_SIMD_WORD.
18653         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
18654         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
18655         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
18656         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
18657         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
18659 2008-05-22  Ira Rosen  <irar@il.ibm.com>
18661         PR tree-optimization/36293
18662         * tree-vect-transform.c (vect_transform_strided_load): Don't check
18663         if the first load must be skipped because of a gap.
18665 2008-05-22  Richard Guenther  <rguenther@suse.de>
18667         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
18668         more cases of offset disambiguation that is possible if
18669         strict-aliasing rules apply.
18670         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
18671         for basic offset and type-based disambiguation.
18673 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18675         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
18676         ix86_expand_vector_set on V16QImode for SSE4.1.
18678 2008-05-21  Tom Tromey  <tromey@redhat.com>
18680         * c.opt (Wimport): Mark as undocumented.
18681         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
18682         -Wno-import.
18683         (Warning Options): Likewise.
18684         * doc/cppopts.texi: Don't mention -Wimport.
18686 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
18688         PR tree-optimization/36287
18689         PR tree-optimization/36286
18690         * lambda-code.c (build_access_matrix): Do not use the loop->num
18691         for computing the number of induction variables: use the loop depth
18692         instead.
18694 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
18696         PR/36280
18697         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
18698         option -f(no-)leading-underscore.
18700 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18702         * config/i386/i386.c (ix86_expand_vector_init_general): Use
18703         GET_MODE_NUNITS (mode).
18705 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
18707         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
18708         (-mmulhw): Add 464 to description.
18709         (-mdlmzb): Likewise.
18710         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
18711         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
18712         464fp entries.
18713         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
18714         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
18715         * config/rs6000/rs6000.md: Update comments for 464.
18717 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
18719         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
18721 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18723         * config/i386/sse.md (vec_extractv4sf): Removed.
18724         (vec_extractv2df): Likewise.
18725         (vec_extractv2di): Likewise.
18726         (vec_extractv4si): Likewise.
18727         (vec_extractv8hi): Likewise.
18728         (vec_extractv16qi): Likewise.
18729         (vec_extract<mode>): New.
18731 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18733         * config/i386/sse.md (vec_setv4sf): Removed.
18734         (vec_setv2df): Likewise.
18735         (vec_setv2di): Likewise.
18736         (vec_setv4si): Likewise.
18737         (vec_setv8hi): Likewise.
18738         (vec_setv16qi): Likewise.
18739         (vec_set<mode>): New.
18741 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18743         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
18744         goto for vec_concat and vec_interleave.
18746 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18748         * config/i386/sse.md (vec_initv4sf): Removed.
18749         (vec_initv2df): Likewise.
18750         (vec_initv2di): Likewise.
18751         (vec_initv4si): Likewise.
18752         (vec_initv8hi): Likewise.
18753         (vec_initv16qi): Likewise.
18754         (vec_init<mode>): New.
18756 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
18758         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
18760 2008-05-21  Tom Tromey  <tromey@redhat.com>
18762         * ggc-zone.c (lookup_page_table_if_allocated): New function.
18763         (zone_find_object_offset): Likewise.
18764         (gt_ggc_m_S): Likewise.
18765         (highest_bit): Likewise.
18766         * ggc-page.c (gt_ggc_m_S): New function.
18767         * stringpool.c (string_stack): Remove.
18768         (init_stringpool): Update.
18769         (ggc_alloc_string): Use ggc_alloc.
18770         (maybe_delete_ident): New function.
18771         (ggc_purge_stringpool): Likewise.
18772         (gt_ggc_m_S): Remove.
18773         * ggc-common.c (ggc_protect_identifiers): New global.
18774         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
18775         ggc_protect_identifiers.
18776         * ggc.h (ggc_protect_identifiers): Declare.
18777         (gt_ggc_m_S): Update.
18778         (ggc_purge_stringpool): Declare.
18779         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
18780         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
18781         special case.
18782         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
18784 2008-05-21  David S. Miller  <davem@davemloft.net>
18786         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
18787         tmake_file.
18789 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
18791         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
18792         once finished.
18794 2008-05-20  David Daney  <ddaney@avtrex.com>
18796         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
18797         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
18798         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
18799         UNSPEC_UPDATE_GOT_VERSION): Renumber.
18800         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
18801         (atomic_hiqi_op): New define_code_iterator.
18802         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
18803         mips_expand_compare_and_swap_12.
18804         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
18805         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
18806         (sync_<optab><mode>, sync_old_<optab><mode>,
18807         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
18808         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
18809         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
18810         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
18811         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
18812         (test_and_set_12): New insn.
18813         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
18814         sync_new_<optab><mode>, sync_old_nand<mode>,
18815         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
18816         clobber to operand 0 for SI and DI mode insns.
18817         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
18818         mips_gen_fn_4): New typedefs.
18819         (mips_gen_fn_ptrs): Define new union type.
18820         (mips_expand_compare_and_swap_12): Remove declaration.
18821         (mips_expand_atomic_qihi): Declare function.
18822         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
18823         (mips_expand_atomic_qihi): ... this.  Use new generator function
18824         parameter.
18825         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
18826         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
18827         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
18828         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
18829         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
18830         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
18831         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
18832         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
18833         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
18834         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
18835         New macros.
18837 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
18839         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
18840         the missing break.
18842 2008-05-20  Anatoly Sokolov  <aesok@post.ru>
18844         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
18845         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
18846         (avr_attribute_table): Add 'OS_main' function attribute.
18847         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
18848         functions with 'OS_main' attribute.
18850 2008-05-20  Richard Guenther  <rguenther@suse.de>
18852         PR tree-optimization/35204
18853         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
18854         helper, split out from ...
18855         (DFS): ... here.  Make the DFS walk non-recursive.
18857 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
18858             Jan Sjodin  <jan.sjodin@amd.com>
18860         PR tree-optimization/36181
18861         * tree-parloops.c (loop_has_vector_phi_nodes): New.
18862         (parallelize_loops): Don't parallelize when the loop has vector
18863         phi nodes.
18865 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
18866             Sebastian Pop  <sebastian.pop@amd.com>
18868         * tree-loop-linear.c (gather_interchange_stats): Look in the access
18869         matrix, and never look at the tree representation of the memory
18870         accesses.
18871         (linear_transform_loops): Computes parameters and access matrices.
18872         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
18873         when fails.
18874         (access_matrix_get_index_for_parameter): New.
18875         * tree-data-ref.h (struct access_matrix): New.
18876         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
18877         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
18878         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
18879         am_vector_index_for_loop): New.
18880         (struct data_reference): Add field access_matrix.
18881         (DR_ACCESS_MATRIX): New.
18882         (compute_data_dependences_for_loop): Update declaration.
18883         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
18884         * lambda.h (lambda_vector_vec_p): Declared.
18885         * lambda-code.c: Depend on pointer-set.h.
18886         (lambda_collect_parameters_from_af, lambda_collect_parameters,
18887         av_for_af_base, av_for_af, build_access_matrix,
18888         lambda_compute_access_matrices): New.
18889         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
18891 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
18893         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
18894         $SOURCEDIR/include.
18896 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
18897             Sebastian Pop  <sebastian.pop@amd.com>
18899         PR tree-optimization/36206
18900         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
18901         FOLD_CONVERSIONS.
18902         (instantiate_scev_1): Rename flags to fold_conversions.
18903         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
18904         outeside instantiation_loop.
18905         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
18906         (evolution_function_is_affine_or_constant_p): Removed.
18907         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
18908         instantiate_scev.
18909         (analyze_siv_subscript): Pass in the loop nest number.
18910         Call evolution_function_is_affine_in_loop instead of
18911         evolution_function_is_affine_p.
18912         (analyze_overlapping_iterations): Pass in the loop nest number.
18914 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
18915             Sebastian Pop  <sebastian.pop@amd.com>
18917         PR tree-optimization/36206
18918         * tree-chrec.h (chrec_fold_op): New.
18919         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
18920         and other trees.
18922 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
18924         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
18925         (DIRS_EQ): New.
18926         (remove_duplicates): Do not set inode on non-inode systems.
18927         Use DIRS_EQ.
18929 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
18931         * config.gcc (tm_file): Update comments about relative pathnames.
18933 2008-05-20  Richard Guenther  <rguenther@suse.de>
18935         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
18936         * tree-ssa-sccvn.c (process_scc): Likewise.
18937         * tree-ssa-sink.c (execute_sink_code): Likewise.
18938         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
18939         * tree-vrp.c (process_assert_insertions): Likewise.
18940         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
18941         (perform_tree_ssa_dce): Likewise.
18942         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
18943         (dump_dominator_optimization_stats): Likewise.
18944         * tree-vectorizer.c (vectorize_loops): Likewise.
18946 2008-05-20  Richard Guenther  <rguenther@suse.de>
18948         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
18950 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
18952         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
18953         (ix86_i386elf_return_in_memory): Likewise.
18954         (ix86_i386interix_return_in_memory): Likewise.
18955         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
18956         (SUBTARGET_RETURN_IN_MEMORY): New.
18957         * config/i386/i386elf.h: Likewise.
18958         * config/i386/ptx4-i.h: Likewise.
18959         * config/i386/sol2-10.h: Likewise.
18960         * config/i386/sysv4.h: Likewise.
18961         * config/i386/vx-common.h: Likewise.
18962         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
18963         * config/i386/i386.c (ix86_return_in_memory): Made static and
18964         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
18965         (ix86_i386elf_return_in_memory): Removed.
18966         (ix86_i386interix_return_in_memory): Removed.
18967         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
18968         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
18970 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
18972         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
18974 2008-05-19  Xinliang David Li  <davidxl@google.com>
18976         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
18977         * opts.c: Ditto.
18978         * common.opt: Ditto.
18979         * doc/invoke.texi: Ditto.
18981 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
18983         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
18984         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
18986 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
18988         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
18989         sizes of operand array from 8/4 to 4/2.
18990         (ix86_expand_vector_init_general): Change size of operand array
18991         from 32 to 16.  Remove op0, op1 and half_mode.
18993 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
18995         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
18996         (ix86_expand_vector_init_interleave): Likewise.
18997         (ix86_expand_vector_init_general): Use them.  Assert
18998         word_mode == SImode when n_words == 4.
19000 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
19002         * config/i386/i386.c (ix86_secondary_reload): New static function.
19003         (TARGET_SECONDARY_RELOAD): New define.
19004         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
19005         * config/i386/i386.md (reload_outqi): Remove.
19007 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19009         PR middle-end/35509
19010         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
19011         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
19012         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
19013         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
19014         (fold_builtin_1): Likewise.
19015         * builtins.def (BUILT_IN_ISINF_SIGN): New.
19016         c-common.c (check_builtin_function_arguments): Handle
19017         BUILT_IN_ISINF_SIGN.
19018         * doc/extend.texi: Document __builtin_isinf_sign.
19019         * fold-const.c (operand_equal_p): Handle COND_EXPR.
19021 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
19023         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
19024         EH cleanup at the end of the pass, search for those that have been
19025         turned into forwarder blocks and do the cleanup on their successor.
19027 2008-05-18  Richard Guenther  <rguenther@suse.de>
19029         * tree-cfg.c (verify_gimple_expr): Allow conversions from
19030         pointers to sizetype and vice versa.
19032 2008-05-18  Xinliang David Li   <davidxl@google.com>
19034         * gcc/tree-ssa-dce.c: Coding style fix.
19035         (check_pow): Documentation comment.
19036         (check_log): Documenation comment. Coding style fix.
19037         (is_unnecessary_except_errno_call): Ditto.
19038         (gen_conditions_for_pow): Ditto.
19039         (gen_conditions_for_log): Ditto.
19040         (gen_shrink_wrap_conditions): Ditto.
19041         (shrink_wrap_one_built_in_calls): Ditto.
19042         * gcc/doc/invoke.texi: Better documentation string.
19043         * ChangeLog: Fix wrong change log entries from
19044         May 17 checkin on function call DCE.
19046 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
19048         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
19050 2008-05-17  Kenneth Zadeck  <zadeck@naturalbridge.com>
19052         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
19053         * df-problems.c (simulation routines): Fixed block comment to
19054         properly say how to add forwards scanning functions.
19056 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
19058         * tree-inline.c (setup_one_parameter): Remove dead code.
19060 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
19062         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
19063         a BIT_AND_EXPR only for an INTEGER_TYPE.
19065 2008-05-17  Xinliang David Li   <davidxl@google.com>
19067         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
19068         (check_pow, check_log, is_unnecessary_except_errno_call): New
19069         functions to check for eliminating math functions that are pure
19070         except for setting errno.
19071         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
19072         general condition expressions for shrink-wrapping pow/log calls.
19073         (gen_shrink_wrap_conditions): Ditto.
19074         (shrink_wrap_one_built_in_call): Ditto.
19075         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
19076         (mark_operand_necessary): If debugging, output if OP is necessary.
19077         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
19078         unnecessary.
19079         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
19080         opt level >= 2.
19081         * gcc/common.opt: New user flag -ftree-builtin-dce.
19082         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
19084 2008-05-16  David S. Miller  <davem@davemloft.net>
19086         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
19087         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
19089 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
19091         PR target/36246
19092         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
19094 2008-05-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
19096         * ifcvt.c (dead_or_predicable): Rename
19097         df_simulate_one_insn_backwards to df_simulate_one_insn.
19098         * recog.c (peephole2_optimize): Ditto.
19099         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
19100         Ditto.
19101         * df.h: Rename df_simulate_one_insn_backwards to
19102         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
19103         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
19104         scanning of defs and uses.
19105         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
19106         (df_simulate_one_insn_forwards): Removed.
19108 2008-05-16  Doug Kwan  <dougkwan@google.com>
19110         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
19111         QNaN & SNaN.
19112         (real_from_string): Handle NaNs and Inf as approriate.
19114 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
19116         * doc/gty.texi (Source Files Containing Type Information): Note
19117         that headers should appear first in the gtfiles list.
19119 2008-05-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
19121         * tree.def (COND_EXEC): Properly documented this code.
19123 2008-05-16  Diego Novillo  <dnovillo@google.com>
19125         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
19126         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
19127         the new field.
19129 2008-05-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
19131         * tree-ssa-dse (max_stmt_uid): Removed.
19132         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
19133         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
19134         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
19135         * function.h (cfun.last_stmt_uid): New field.
19136         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
19137         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
19138         New functions.
19139         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
19140         (create_stmt_ann): Initialize the ann->uid field.
19141         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
19142         with new calls.
19143         * tree-flow.h (renumber_gimple_stmt_uids): New function.
19145 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
19147         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
19148         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
19149         (init_empty_tree_cfg): Call it.
19151 2008-05-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
19153         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
19154         Update all users.
19156 2008-05-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
19158         * doc/invoke.text (-fdump-tree-*-verbose): New option.
19159         * tree-dump.c (dump_options): New verbose option.
19160         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
19161         Add verbose dump.
19162         * tree-pass.h (TDF_VERBOSE): New dump flag.
19163         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
19164         (tree-flow.h): Added include.
19165         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
19167 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
19169         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
19171         From Jie Zhang  <jie.zhang@analog.com>
19172         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19173         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
19174         mcpu=bf561-none and mcpu=bf561-0.2.
19175         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19176         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
19177         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19178         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
19179         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
19180         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
19181         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
19182         option.
19183         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
19184         (cputype_selected): Remove.
19185         (bfin_handle_option): Don't use cputype_selected.
19186         (override_options): When no mcpu option, enable all workarounds.
19187         Don't use bfin_workarounds.
19188         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
19189         processor type.
19190         (DEFAULT_CPU_TYPE): Don't define.
19192 2008-05-16  Richard Guenther  <rguenther@suse.de>
19194         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
19195         on deletion of the last stmt.
19197 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
19199         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
19200         V8HImode for SSE2 and V16QImode for SSE4.1.
19202 2008-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
19204         * cgraph.h (compute_inline_parameters): Made public.
19205         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
19206         variable_generate_summary, function_write_summary,
19207         variable_write_summary, variable_read_summary.  Added generate_summary,
19208         write_summary, read_summary.
19209         * cgraphunit.c (cgraph_process_new_functions): Changed call from
19210         pass_ipa_inline.function_generate_summary, to
19211         compute_inline_parameters.
19212         * ipa-inline.c (compute_inline_parameters): Made public and added
19213         node parameter.
19214         (compute_inline_parameters_for_current): New function.
19215         (pass_inline_param): Now calls compute_inline_parameters_for_current.
19216         (inline_generate_summary): Removed parameter and made to loop over
19217         all cgraph nodes.
19218         (pass_ipa_inline): Updated for new IPA_PASS structure.
19219         * passes.c (execute_ipa_summary_passes): Now is called once per
19220         pass rather than once per node*pass.
19222 2008-05-15  Anatoly Sokolov  <aesok@post.ru>
19224         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
19225         avr_have_mul_p, avr_asm_only_p): Remove variables.
19226         (avr_override_options): Remove initialization of removed variables.
19227         (avr_file_start):  Convert removed variables to fields of
19228         'struct base_arch_s *avr_current_arch'.
19229         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
19230         (AVR_HAVE_MUL): (Ditto.).
19231         (AVR_HAVE_MOVW): (Ditto.).
19232         (AVR_HAVE_LPMX): (Ditto.).
19233         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
19234         avr_asm_only_p): Remove declaration.
19236 2008-05-15  Diego Novillo  <dnovillo@google.com>
19238         * config/arm/arm.c (arm_return_in_memory): Fix return type.
19239         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
19241 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
19243         PR middle-end/36194
19244         * combine.c (check_conversion): Rename back to check_promoted_subreg.
19245         Don't call record_truncated_value from here.
19246         (record_truncated_value): Turn it into a for_each_rtx callback.
19247         (record_truncated_values): New function.
19248         (combine_instructions): Call note_uses with record_truncated_values.
19249         Change name of check_conversion to check_promoted_subreg.
19251 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
19253         * doc/sourcebuild.texi: Document support for torture tests.
19255 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
19257         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
19258         to alternative 4 of operand 2.
19260 2008-05-15  Richard Guenther  <rguenther@suse.de>
19262         * tree-pass.h (current_pass): Declare.
19263         (get_pass_for_id): Likewise.
19264         * passes.c (passes_by_id, passes_by_id_size): New globals.
19265         (set_pass_for_id): New function.
19266         (get_pass_for_id): Likewise.
19267         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
19268         (execute_function_todo): Flush per function statistics.
19269         * toplev.c (compile_file): Init statistics.
19270         (general_init): Do early statistics initialization.
19271         (finalize): Finish statistics.
19272         * statistics.h (statistics_early_init): Declare.
19273         (statistics_init): Likewise.
19274         (statistics_fini): Likewise.
19275         (statistics_fini_pass): Likewise.
19276         (statistics_counter_event): Likewise.
19277         (statistics_histogram_event): Likewise.
19278         * statistics.c: New file.
19279         * Makefile.in (OBJS-common): Add statistics.o.
19280         (statistics.o): Add dependencies.
19281         * doc/invoke.texi (-fdump-statistics): Document.
19283         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
19284         (insert): Likewise.
19285         (execute_pre): Use statistics_counter_event.
19286         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
19287         (substitute_and_fold): Increment it.  Use statistics_counter_event.
19289 2008-05-15  Diego Novillo  <dnovillo@google.com>
19291         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
19293         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
19294         * tree-ssa-alias.c (new_type_alias): Remove references to
19295         sub-variables from comment.
19296         * tree-ssa-operands.c (swap_tree_operands): Likewise.
19298 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
19300         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
19301         attribute to 1 only for insertps alternative.
19303 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
19305         * config/bfin/bfin.md (loadbytes): New pattern.
19306         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
19307         (bfin_init_builtins): Initialize it.
19308         (bdesc_1arg): Add it.
19310 2008-05-15  Sa Liu  <saliu@de.ibm.com>
19312         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
19313         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
19314         * testsuite/lib/target-supports.exp: Add
19315         check_effective_target_fortran_integer_16.
19317 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
19319         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
19320         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
19321         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
19322         (TARGET_RETURN_IN_MEMORY): Define.
19324 2008-05-15  Richard Guenther  <rguenther@suse.de>
19326         PR middle-end/36244
19327         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
19328         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
19329         represent unmodifiable vars.
19331 2008-05-15  Richard Guenther  <rguenther@suse.de>
19333         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
19334         INDIRECT_REF and TARGET_MEM_REF.
19335         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
19336         TARGET_MEM_REF.
19338 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
19339             H.J. Lu  <hongjiu.lu@intel.com>
19341         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
19342         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
19343         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
19344         insn alternatives.  Add missing alternatives.
19345         (*vec_concatv2di_rex64_sse4_1): Likewise.
19346         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
19347         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
19348         Require TARGET_SSE.
19350 2008-05-15  Richard Guenther  <rguenther@suse.de>
19352         PR tree-optimization/36009
19353         PR tree-optimization/36204
19354         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
19355         (determine_invariantness_stmt): Record the loop a store is
19356         always executed in.
19357         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
19358         dependency.
19360 2008-05-15  Richard Guenther  <rguenther@suse.de>
19362         PR tree-optimization/34330
19363         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
19364         through the pointer will alias the SMT.
19366 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
19368         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
19370 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
19372         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
19374 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
19375             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19377         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
19378         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
19379         (vashl_optab): New optab for vector/vector shifts.
19380         (vashr_optab): Ditto.
19381         (vlshr_optab): Ditto.
19382         (vrotl_optab): Ditto.
19383         (vrotr_optab): Ditto.
19384         (optab_subtype): New enum for optab_for_tree_code call.
19385         (optab_for_tree_code): Add enum optab_subtype argument.
19387         * optabs.c (optab_for_tree_code): Take an additional argument to
19388         distinguish between a vector shift by a scalar and vector shift by
19389         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
19390         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
19391         vector shift by a vector.
19392         (expand_widen_pattern_expr): Pass additional argument to
19393         optab_for_tree_code.
19395         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
19396         vrotl_optab, vrotr_optab.
19398         * expr.c (expand_expr_real_1): Update calls to
19399         optab_for_tree_code to distinguish between vector shifted by a
19400         scalar and vector shifted by a vector.
19401         * tree-vectorizer.c (supportable_widening_operation): Ditto.
19402         (supportable_narrowing_operation): Ditto.
19403         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
19404         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
19405         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
19406         (vect_create_epilog_for_reduction): Ditto.
19407         (vectorizable_reduction): Ditto.
19408         (vectorizable_operation): Ditto.
19409         (vect_strided_store_supported): Ditto.
19410         (vect_strided_load_supported): Ditto.
19411         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
19412         * expmed.c (expand_shift): Ditto.
19414         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
19415         scalar type.
19416         (ashr@var{m}3): Ditto.
19417         (vashl@var{m}3): Document new vector/vector shift standard name.
19418         (vashr@var{m}3): Ditto.
19419         (vlshr@var{m}3): Ditto.
19420         (vrotl@var{m}3): Ditto.
19421         (vrotr@var{m}3): Ditto.
19423         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
19424         (PPERM_INVERT): Ditto.
19425         (PPERM_REVERSE): Ditto.
19426         (PPERM_REV_INV): Ditto.
19427         (PPERM_ZERO): Ditto.
19428         (PPERM_ONES): Ditto.
19429         (PPERM_SIGN): Ditto.
19430         (PPERM_INV_SIGN): Ditto.
19431         (PPERM_SRC1): Ditto.
19432         (PPERM_SRC2): Ditto.
19434         * config/i386/sse.md (mulv2di3): Add SSE5 support.
19435         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
19436         allows a memory operand to be the value being added, and split it
19437         to improve vectorization.
19438         (sse5_pmacsdqh_mem): Ditto.
19439         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
19440         (sse5_mulv2div2di3_high): Ditto.
19441         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
19442         (vec_pack_trunc_v4si): Ditto.
19443         (vec_pack_trunc_v2di): Ditto.
19444         (sse5_pcmov_<mode>): Remove code that tried to use use
19445         andps/andnps instead of pcmov.
19446         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
19447         pmacsdqh instructions.
19448         (vec_widen_smult_lo_v4si): Ditto.
19450         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
19451         (PPERM_INVERT): Ditto.
19452         (PPERM_REVERSE): Ditto.
19453         (PPERM_REV_INV): Ditto.
19454         (PPERM_ZERO): Ditto.
19455         (PPERM_ONES): Ditto.
19456         (PPERM_SIGN): Ditto.
19457         (PPERM_INV_SIGN): Ditto.
19458         (PPERM_SRC1): Ditto.
19459         (PPERM_SRC2): Ditto.
19460         (ix86_expand_sse_movcc): Move the SSE5 test after the if
19461         true/false tests.
19462         (ix86_expand_int_vcond): If SSE5 generate all possible integer
19463         comparisons.
19464         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
19465         says ignore whether the last reference is a memory operand.
19467 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
19468             Paolo Bonzini <bonzini at gnu dot org>
19470         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
19471         shift patterns.
19473         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
19474         (vlshr<mode>3): Rename from vlshr<mode>3.
19475         (vashr<mode>3): Rename from vashr<mode>3.
19476         (mulv4sf3): Change the names of vector shift patterns.
19477         (mulv4si3): Ditto.
19478         (negv4sf2): Ditt.
19480         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
19481         shift insns.
19483         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
19484         (SI_SHLHI): Ditto.
19485         (SI_SHL): Ditto.
19486         (SI_SHLI): Ditto.
19487         (SI_ROTH): Ditto.
19488         (SI_ROTHI): Ditto.
19489         (SI_ROT): Ditto.
19490         (SI_ROTI): Ditto.
19491         (SPU_RL_0): Ditto.
19492         (SPU_RL_1): Ditto.
19493         (SPU_RL_2): Ditto.
19494         (SPU_RL_3): Ditto.
19495         (SPU_RL_4): Ditto.
19496         (SPU_RL_5): Ditto.
19497         (SPU_RL_6): Ditto.
19498         (SPU_RL_7): Ditto.
19499         (SPU_SL_0): Ditto.
19500         (SPU_SL_1): Ditto.
19501         (SPU_SL_2): Ditto.
19502         (SPU_SL_3): Ditto.
19503         (SPU_SL_4): Ditto.
19504         (SPU_SL_5): Ditto.
19505         (SPU_SL_6): Ditto.
19506         (SPU_SL_7): Ditto.
19508         * config/spu/spu.md (v): New iterator macro to add v for vector types.
19509         (floatunssidf2_internal): Change vector/vector shift names.
19510         (floatunsdidf2_internal): Ditto.
19511         (mulv8hi3): Ditto.
19512         (ashrdi3): Ditto.
19513         (ashrti3): Ditto.
19514         (cgt_df): Ditto.
19515         (cgt_v2df): Ditto.
19516         (dftsv): Ditto.
19517         (vashl<mode>3): Rename from ashl<mode>3.
19518         (vashr<mode>3): Rename from ashr<mode>3.
19519         (vlshr<mode>3): Rename from lshr<mode>3.
19520         (vrotl<mode>3): Rename from rotl<mode>3.
19522 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
19524         PR target/36224
19525         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
19526         multiply gives the wrong value when doing widening multiplies.
19527         (vec_widen_smult_lo_v4si): Ditto.
19529 2008-05-14  Kenneth Zadeck  <zadeck@naturalbridge.com>
19531         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
19532         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
19533         emit_library_call_value.
19534         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
19535         * tree.h (ECF_LIBCALL_BLOCK): Removed.
19536         * calls.c (initialize_argument_information, precompute_arguments,
19537         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
19538         (precompute_arguments): Removed flags parameter.
19539         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
19541 2008-05-14  Richard Guenther  <rguenther@suse.de>
19543         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
19544         Make sure to register the store if the use is a PHI_NODE.
19546 2008-05-14  Olivier Hainque  <hainque@adacore.com>
19548         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
19549         memory if the component is to be referenced in BLKmode according
19550         to get_inner_reference.
19552 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
19554         * calls.c (emit_library_call_value_1): Restore code clearing
19555         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
19557 2008-05-14  Olivier Hainque  <hainque@adacore.com>
19558             Nicolas Roche  <roche@adacore.com>
19560         * configure.ac: Add support for a "gcc_subdir" variable in
19561         config-lang.in, to denote a subdirectory where the language/GCC
19562         integration files are to be found.
19563         * configure: Regenerate.
19565 2008-05-14  Ira Rosen  <irar@il.ibm.com>
19567         PR tree-optimization/36098
19568         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
19569         value for the first load in the group in case of a gap.
19570         (vect_build_slp_tree): Check that there are no gaps in loads.
19572 2008-05-14  Kenneth Zadeck  <zadeck@naturalbridge.com>
19574         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
19575         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
19576         expand_copysign_bit): Change call to emit_no_conflict_block to
19577         emit_insn and remove unneeded code to construct extra args.
19578         (emit_no_conflict_block): Removed.
19579         * optabls.h (emit_no_conflict_block): Removed.
19580         * cse.c (cse_extended_basic_block): Remove search for
19581         REG_NO_CONFLICT note.
19582         * global.c: Removed incorrect comment added in revision 117.
19583         * expr.c (convert_move): Change call to emit_no_conflict_block to
19584         emit_insn.
19585         * recog.c: Change comments so that they do not mention
19586         REG_NO_CONFLICT.
19587         * local_alloc.c (combine_regs): Removed last parameter.
19588         (no_conflict_p): Removed.
19589         (block_alloc): Removed note, no_conflict_combined_regno and set
19590         local vars. Removed all code to process REG_NO_CONFLICT blocks.
19591         (combine_regs): Removed already_dead and code to look for
19592         REG_NO_CONFLICT notes.
19593         * lower_subreg (remove_retval_note): Removed code to look for
19594         REG_NO_CONFLICT block.
19595         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
19596         (resolve_clobber): Remove code to process libcalls that have
19597         REG_NO_CONFLICT notes.
19598         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
19599         case.
19600         * combine.c (can_combine_p, distribute_notes):  Removed
19601         REG_NO_CONFLICT case.
19602         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
19603         to emit_insns.
19604         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
19605         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
19606         Ditto.
19607         * reg-notes.def (NO_CONFLICT): Removed.
19609 2008-05-14  David S. Miller  <davem@davemloft.net>
19611         * config/sparc/sparc.c (sparc_profile_hook): If
19612         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
19613         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
19614         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
19616 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
19618         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
19620 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
19622         PR target/36222
19623         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
19624         and op1 expansion before vector concat to have less live pseudos.
19626 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
19628         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
19629         ix86_expand_vector_set if supported.
19631 2008-05-13  Diego Novillo  <dnovillo@google.com>
19632             Kenneth Zadeck  <zadeck@naturalbridge.com>
19634         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
19636         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
19637         phinodes_print_statistics, init_ssanames, fini_ssanames,
19638         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
19639         release_ssa_name, release_defs, replace_ssa_name_symbol,
19640         ssanames_print_statistics): Move ...
19641         * tree-flow.h: ... here.
19642         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
19643         Use FN instead of cfun.
19644         (make_ssa_name_fn): Rename from make_ssa_name.
19645         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
19646         * tree-flow-inline.h (make_ssa_name): Move from
19647         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
19648         * omp-low.c (expand_omp_parallel):
19649         * tree-flow-inline.h (redirect_edge_var_map_result):
19650         * tree-ssa.c (init_tree_ssa): Add argument FN.
19651         Use it instead of cfun.  Update all users.
19653 2008-05-13  Tom Tromey  <tromey@redhat.com>
19655         PR preprocessor/22168:
19656         * doc/cpp.texi (Top): Update menu.
19657         (Alternatives to Wrapper #ifndef): New node.
19658         (Other Directives): Document deprecation.
19659         (Obsolete Features): Remove menu.
19660         (Assertions): Merge node into Obsolete Features.
19661         (Obsolete once-only headers): Move earlier; rename to Alternatives
19662         to Wrapper #ifndef.
19663         * doc/cppopts.texi: Update.
19664         * c.opt (Wdeprecated): Enable for C and ObjC.
19665         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
19666         (C++ Dialect Options): Move -Wno-deprecated from here to...
19667         (Warning Options): ... here.
19669 2008-05-13  Richard Guenther  <rguenther@suse.de>
19671         PR middle-end/36227
19672         * fold-const.c (fold_sign_changed_comparison): Do not allow
19673         changes in pointer-ness.
19675 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
19677         PR target/24713
19678         * config/sh/sh.c (sh_expand_prologue): Don't clear
19679         RTX_FRAME_RELATED_P for push insns.
19681 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
19683         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
19685 2008-05-12  Anatoly Sokolov  <aesok@post.ru>
19687         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
19688         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
19689         Use 'machine->is_leaf' instead of 'leaf_func_p'.
19691 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
19693         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
19694         (*vec_concatv4sf_sse): This.
19695         (*sse2_concatv2si): Renamed to ...
19696         (*vec_concatv2si_sse2): This.
19697         (*sse1_concatv2si): Renamed to ...
19698         (*vec_concatv2si_sse): This.
19699         (*vec_concatv2di_rex): Renamed to ...
19700         (*vec_concatv2di_rex64): This.
19701         (*vec_concatv2si_sse4_1): New.
19702         (*vec_concatv2di_rex64_sse4_1): Likewise.
19704 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
19706         PR rtl-optimization/36111
19707         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
19708         that was created for swappable operands.
19710 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
19712         PR ada/36001
19713         * Makefile.in: Substitute GNATMAKE and GNATBIND.
19714         * configure.ac: Add call to ACX_PROG_GNAT.
19716 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
19718         * optc-gen.awk: Fix comment typo.
19720 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
19722         * pretty-print.c (pp_integer_with_precision): Use
19723         HOST_LONG_LONG_FORMAT.
19725 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
19727         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
19729 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
19731         * config/i386/i386.c (bdesc_ptest): Removed.
19732         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
19733         (bdesc_args): Add __builtin_ia32_ptestz128,
19734         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
19735         (ix86_init_mmx_sse_builtins): Updated.
19736         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
19737         (ix86_expand_builtin): Updated.
19739 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
19741         * tree-cfg.c (valid_fixed_convert_types_p): New function.
19742         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
19744 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
19746         * value-prof.c (interesting_stringop_to_profile): Do not
19747         return early for BUILT_IN_MEMPCPY.
19749 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
19751         * calls.c (expand_call): Don't use callgraph to increase
19752         preferred_stack_boundary.
19754         * cgraph.h (cgraph_rtl_info): Use unsigned on
19755         preferred_incoming_stack_boundary.
19757         * final.c (rest_of_clean_state): Use unsigned on
19758         preferred_stack_boundary.
19760 2008-05-09  Tom Tromey  <tromey@redhat.com>
19762         PR preprocessor/22231:
19763         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
19764         proceeding.
19766 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
19768         PR tree-optimization/36129
19769         * tree-ssa-ccp.c: Include value-prof.h.
19770         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
19771         built-in function was folded to a constant.
19772         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
19774 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
19775             Sebastian Pop  <sebastian.pop@amd.com>
19777         * tree-scalar-evolution.c: Document instantiate_scev.
19778         (instantiate_parameters_1): Renamed instantiate_scev_1.
19779         Don't use the same loop for instantiation_loop and evolution_loop.
19780         (instantiate_scev): New.
19781         (instantiate_parameters): Moved...
19782         (resolve_mixers): Update call to instantiate_scev_1 to pass the
19783         same loop twice.  Maintains the semantics for this function.
19784         * tree-scalar-evolution.h (instantiate_scev): Declare.
19785         (instantiate_parameters): ...here.  Now static inline.
19786         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
19787         instead of resolve_mixers.
19789 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
19791         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
19793 2008-05-09  Tomas Bily  <tbily@suse.cz>
19795         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
19796         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
19797         * tree-ssa-structalias.c (get_constraint_for): Likewise.
19798         * c-common.c (c_common_truthvalue_conversion): Likewise.
19799         * tree-object-size.c (compute_object_offset): Likewise.
19800         * tree-inline.c (estimate_num_insns_1): Likewise.
19801         * varasm.c (const_hash_1, compare_constant, copy_constant)
19802         (compute_reloc_for_constant, output_addressed_constants)
19803         (initializer_constant_valid_p): Likewise.
19804         * c-omp.c (check_omp_for_incr_expr): Likewise.
19805         * gimplify.c (gimplify_expr): Likewise.
19806         * c-typeck.c (c_finish_return): Likewise.
19807         * tree-vectorizer.c (supportable_widening_operation)
19808         (supportable_narrowing_operation): Likewise.
19809         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
19810         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
19811         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
19812         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
19813         (descr_info_loc): Likewise.
19814         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
19815         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
19816         (fold_unary): Likewise.
19817         * builtins.c (get_pointer_alignment): Likewise.
19818         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
19819         (instantiate_parameters_1): Likewise.
19820         * tree.c (expr_align, stabilize_reference): Likewise.
19821         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
19822         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
19823         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
19824         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
19825         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
19826         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
19827         Likewise.
19828         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
19829         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
19830         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
19831         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
19832         (forward_propagate_comparison)
19833         (tree_ssa_forward_propagate_single_use_vars): Likewise.
19834         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
19835         * emit-rtl.c (component_ref_for_mem_expr)
19836         (set_mem_attributes_minus_bitpos): Likewise.
19837         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
19838         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
19839         Likewise.
19840         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
19841         (build_function_call, pointer_diff, build_compound_expr)
19842         (c_finish_return): Likewise.
19843         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
19844         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
19845         Likewise.
19846         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
19847         * expr.c (is_aligning_offset): Likewise.
19848         * tree-ssa-alias.c (is_escape_site): Likewise.
19849         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
19850         (check_all_va_list_escapes): Likewise.
19851         * tree-ssa-loop-ivopts.c (determine_base_object)
19852         (determine_common_wider_type): Likewise.
19853         * dojump.c (do_jump): Likewise.
19854         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
19855         * tree-gimple.c (is_gimple_cast): Likewise.
19856         * fold-const.c (decode_field_reference)
19857         (fold_sign_changed_comparison, fold_unary, fold_comparison)
19858         (fold_binary): Likewise.
19859         * tree-ssa-alias-warnings.c (find_alias_site_helper)
19860         (already_warned_in_frontend_p): Likewise.
19861         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
19862         * tree.c (really_constant_p, get_unwidened): Likewise.
19863         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
19864         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
19865         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
19866         Likewise.
19867         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
19868         CONVERT_EXPR_P.
19869         (CONVERT_EXPR_P): Define.
19870         (CASE_CONVERT): Define.
19872 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
19874         PR middle-end/36117
19875         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
19876         (delete_unmarked_insns): When deleting a call, call
19877         delete_unreachable_blocks.
19878         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
19879         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
19881 2008-05-08  Richard Guenther  <rguenther@suse.de>
19883         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
19884         (-ftree-salias): Likewise.
19885         (salias-max-implicit-fields): Remove param documentation.
19886         (salias-max-array-elements): Likewise.
19887         * tree-pass.h (pass_create_structure_vars): Remove.
19888         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
19889         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
19890         * tree-ssa-alias.c (create_structure_vars): Remove.
19891         (gate_structure_vars): Likewise.
19892         (pass_create_structure_vars): Likewise.
19893         (gate_build_alias): Likewise.
19894         (pass_build_alias): Adjust to run always and dump the function.
19895         * common.opt (ftree-salias): Hide.
19896         * passes.c (init_optimization_passes): Remove
19897         pass_create_structure_vars, adjust comment.
19898         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
19899         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
19900         * opts.c (decode_options): Do not set flag_tree_salias.
19901         (common_handle_option): Add OPT_ftree_salias to the backward
19902         compatibility section.
19904 2008-05-08  Richard Guenther  <rguenther@suse.de>
19906         * tree-flow-inline.h (var_can_have_subvars): Move ...
19907         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
19908         * tree-flow.h (var_can_have_subvars): Remove.
19909         (push_fields_onto_fieldstack): Remove.
19910         (sort_fieldstack): Likewise.
19911         (struct fieldoff): Move ...
19912         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
19913         alias_set and base_for_components fields.
19914         (sort_fieldstack): Make static.
19915         (push_fields_onto_fieldstack): Likewise.  Remove code that
19916         handles anything but RECORD_TYPEs.  Remove alias_set and
19917         base_for_components handling.
19918         (create_variable_info_for): Adjust.
19920 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
19922         * common.opt (Wframe-larger-than=): Shorten the help message
19923         to one line.
19924         * doc/invoke.texi (Wframe-larger-than=): Add more description.
19926 2008-05-08  Rafael Espíndola  <espindola@google.com>
19928         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
19929         trap.
19930         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
19931         trap and that both operands are gimple values.
19932         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
19933         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
19934         is a fp operation.
19936 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19938         * read-rtl.c (join_c_conditions): Return the first string if the
19939         two strings are equal.
19941 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19943         * gensupport.h (pred_data): Add a "num_codes" field.
19944         (add_predicate_code): Declare.
19945         * gensupport.c (add_predicate_code): New function.
19946         (std_pred_table): Add an "allows_const_p" field.
19947         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
19948         Remove the (incomplete) list of such codes from the codes field.
19949         (init_predicate_table): Use add_predicate_code.  Add all
19950         RTX_CONST_OBJs if allows_const_p is true.
19951         * genrecog.c (process_define_predicate): Use add_predicate_code.
19953 2008-05-08  David Daney  <ddaney@avtrex.com>
19954             Richard Sandiford  <rsandifo@nildram.co.uk>
19956         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
19957         special case of constant zero operands.
19958         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
19959         old and new values.  Special case constant zero values.
19960         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
19961         fails.
19962         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
19963         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
19965 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
19967         PR target/36090
19968         * simplify-rtx.c (simplify_plus_minus): Create CONST of
19969         similar RTX_CONST_OBJ before CONST_INT.
19971 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
19973         * stmt.c (expand_stack_restore): Change sa mode if needed.
19975 2008-05-08  Richard Guenther  <rguenther@suse.de>
19977         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
19978         return type to bool.
19979         (ix86_sol10_return_in_memory): Likewise.
19980         (ix86_i386elf_return_in_memory): Likewise.
19981         (ix86_i386interix_return_in_memory): Likewise.
19982         * config/i386/i386.c (ix86_return_in_memory): Likewise.
19983         (ix86_sol10_return_in_memory): Likewise.
19984         (ix86_i386elf_return_in_memory): Likewise.
19985         (ix86_i386interix_return_in_memory): Likewise.
19987 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
19989         PR bootstrap/36180
19990         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
19991         fndecl argument.
19992         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
19993         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
19994         declared in front.
19996 2008-05-08  Richard Guenther  <rguenther@suse.de>
19998         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
19999         * tree-data-ref.h (struct dr_alias): Remove subvars field.
20000         (DR_SUBVARS): Remove.
20001         * tree-dfa.c (dump_subvars_for): Remove.
20002         (debug_subvars_for): Likewise.
20003         (dump_variable): Do not dump subvars.
20004         (remove_referenced_var): Do not remove subvars.
20005         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
20006         (lookup_subvars_for_var): Remove.
20007         (get_subvars_for_var): Likewise.
20008         (get_subvars_at): Likewise.
20009         (get_first_overlapping_subvar): Likewise.
20010         (overlap_subvar): Likewise.
20011         * tree-flow.h (subvar_t): Remove.
20012         (struct var_ann_d): Remove subvars field.
20013         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
20014         argument.  Remove special handling of SFTs.
20015         (compute_tag_properties): Likewise.
20016         (set_initial_properties): Likewise.
20017         (compute_call_clobbered): Likewise.
20018         (count_mem_refs): Likewise.
20019         (compute_memory_partitions): Likewise.
20020         (compute_flow_insensitive_aliasing): Likewise.
20021         (setup_pointers_and_addressables): Likewise.
20022         (new_type_alias): Likewise.
20023         (struct used_part): Remove.
20024         (used_portions): Likewise.
20025         (struct used_part_map): Likewise.
20026         (used_part_map_eq): Likewise.
20027         (used_part_map_hash): Likewise.
20028         (free_used_part_map): Likewise.
20029         (up_lookup): Likewise.
20030         (up_insert): Likewise.
20031         (get_or_create_used_part_for): Likewise.
20032         (create_sft): Likewise.
20033         (create_overlap_variables_for): Likewise.
20034         (find_used_portions): Likewise.
20035         (create_structure_vars): Likewise.
20036         * tree.def (STRUCT_FIELD_TAG): Remove.
20037         * tree.h (MTAG_P): Adjust.
20038         (struct tree_memory_tag): Remove base_for_components and
20039         unpartitionable flags.
20040         (struct tree_struct_field_tag): Remove.
20041         (SFT_PARENT_VAR): Likewise.
20042         (SFT_OFFSET): Likewise.
20043         (SFT_SIZE): Likewise.
20044         (SFT_NONADDRESSABLE_P): Likewise.
20045         (SFT_ALIAS_SET): Likewise.
20046         (SFT_UNPARTITIONABLE_P): Likewise.
20047         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
20048         (union tree_node): Remove sft field.
20049         * alias.c (get_alias_set): Remove special handling of SFTs.
20050         * print-tree.c (print_node): Remove handling of SFTs.
20051         * tree-dump.c (dequeue_and_dump): Likewise.
20052         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
20053         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
20054         * tree-predcom.c (set_alias_info): Do not set subvars.
20055         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
20056         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
20057         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
20058         (add_vars_for_offset): Remove.
20059         (add_virtual_operand): Remove special handling of SFTs.
20060         (add_call_clobber_ops): Likewise.
20061         (add_call_read_ops): Likewise.
20062         (get_asm_expr_operands): Likewise.
20063         (get_modify_stmt_operands): Likewise.
20064         (get_expr_operands): Likewise.
20065         (add_to_addressable_set): Likewise.
20066         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
20067         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
20068         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
20069         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
20070         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
20071         (tree_node_structure): Likewise.
20072         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
20073         handling of SFTs.
20074         (find_what_p_points_to): Likewise.
20076 2008-05-08  Sa Liu  <saliu@de.ibm.com>
20078         * config/spu/spu.md: Fixed subti3 pattern.
20080 2008-05-08  Richard Guenther  <rguenther@suse.de>
20082         PR middle-end/36154
20083         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
20084         sure to create a representative for trailing arrays for PTA.
20086 2008-05-08  Richard Guenther  <rguenther@suse.de>
20088         PR middle-end/36172
20089         * fold-const.c (operand_equal_p): Two objects which types
20090         differ in pointerness are not equal.
20092 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
20094         * calls.c (compute_argument_block_size): Add argument tree fndecl.
20095         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
20096         (emit_library_call_value_1): Add new variable fndecl initialized by
20097         NULL_TREE. It should be the decl type of orgfun, but this information
20098         seems not to be available here, so it uses the default calling abi.
20099         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
20100         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
20101         by TARGET_RETURN_IN_MEMORY.
20102         * config/i386/i386-interix.h: Likewise.
20103         * config/i386/i386.h: Likewise.
20104         * config/i386/i386elf.h: Likewise.
20105         * config/i386/ptx4-i.h: Likewise.
20106         * config/i386/sol2-10.h: Likewise.
20107         * config/i386/sysv4.h: Likewise.
20108         * config/i386/vx-common.h: Likewise.
20109         * config/cris/cris.h: Removed #if 0 clause.
20110         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
20111         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
20112         argument.
20113         (ix86_sol10_return_in_memory): Likewise.
20114         (ix86_i386elf_return_in_memory): New.
20115         (ix86_i386interix_return_in_memory): New.
20116         * config/mt/mt-protos.h (mt_return_in_memory): New.
20117         * config/mt/mt.c: Likewise.
20118         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
20119         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
20120         * config/bfin/bfin.h: Likewise.
20121         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
20122         argument.
20123         * config/bfin/bfin.c: Likewise.
20124         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
20125         * config/alpha/unicosmk.h: Likewise.
20126         * config/i386/cygming.h: Likewise.
20127         * config/iq2000/iq2000.h: Likewise.
20128         * config/mips/mips.h: Likewise.
20129         * config/mn10300/mn10300.h: Likewise.
20130         * config/rs6000/rs6000.h: Likewise.
20131         * config/score/score.h: Likewise.
20132         * config/spu/spu.h: Likewise.
20133         * config/v850/v850.h: Likewise.
20134         * defaults.h: Likewise.
20135         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
20136         * expr.c (emit_block_move): Adjust use of
20137         OUTGOING_REG_PARM_STACK_SPACE.
20138         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
20139         OUTGOING_REG_PARM_STACK_SPACE.
20140         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
20142 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
20144         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
20145         on OMP_RETURN for OMP_FOR.
20147         PR debug/35896
20148         * dwarf2out.c (dw_expand_expr, common_check): Removed.
20149         (fortran_common): New function.
20150         (gen_variable_die): Call fortran_common instead of common_check,
20151         adjust for it returning tree instead of rtx.  Formatting.
20153 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
20155         PR rtl/7335
20156         PR rtl/33826
20157         * see.c (see_copy_insn): Copy new pure const attributes for new call.
20158         * c-decl.c (merge_decls): Ditto.
20159         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
20160         to RTL_CONST_OR_PURE_CALL_P.
20161         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
20162         Initialized DECL_LOOPING_CONST_PURE.
20163         (process_call_operands): Set tree_side_effects properly.
20164         * tree.h (TREE_READONLY_DECL_P): Removed.
20165         (DECL_IS_PURE): Renamed to DECL_PURE_P.
20166         (DECL_LOOPING_OR_CONST_P): New macro.
20167         (struct tree_function_decl): Added looping_const_or_pure_p.
20168         (ECF_*) Renumbered.
20169         (ECF_LOOPING_OR_CONST_P): New macro.
20170         * rtlanal.c (pure_const_p): Removed.
20171         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
20172         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
20173         to RTL_CONST_CALL_P.
20174         * ipa-pure-const.c (pure_const_state_e): Added looping field.
20175         (check_decl, check_tree, check_call, scan_function): Initialize
20176         looping.
20177         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
20178         (static_execute): Set looping true for recursive functions.
20179         Undo setting state to IPA_NEITHER for recursive functions.
20180         * cse.c (cse_insn):
20181         * ifcvt.c (noce_can_store_speculate_p): Changed
20182         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
20183         RTL_CONST_OR_PURE_CALL_P.
20184         * dse.c (scan_insn): Ditto.
20185         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
20186         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
20187         RTL_CONST_OR_PURE_CALL_P.
20188         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
20189         pure_call_p to RTL_CONST_CALL_P.
20190         * gimplify.c (gimplify_call_expr): Clear side effects for
20191         non-looping pure and constant calls.
20192         * calls.c (emit_call_1): Set rtl flags from ecf flags.
20193         (flags_from_decl_or_type): Set ecf flags from decl flags.
20194         (initialize_argument_information): Turn off
20195         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
20196         Change const to pure if callee_copies is true rather than just
20197         turning off const.
20198         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
20199         way of marking pure calls.
20200         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
20201         Remove hack that was supposed to fix pr7335 and remove old
20202         way of marking pure calls.
20203         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
20204         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
20205         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
20206         RTL_CONST_OR_PURE_CALL_P.
20207         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
20208         * loop-invariant.c (find_exits, find_invariant_bb): Changed
20209         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
20210         * sched-deps.c (schedule_analyze): Ditto.
20211         * rtl.h (struct rtx_def): Use call field, unchanging field, and
20212         return_val field of calls to represent pure and const function info.
20213         (CONST_OR_PURE_CALL_P): Deleted macro.
20214         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
20215         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
20216         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
20217         TREE_READONLY.
20218         * tree-optimize.c (execute_fixup_cfg): Added test for
20219         ECF_LOOPING_CONST_OR_PURE.
20220         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
20221         DECL_PURE_P.
20222         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
20223         effects for looping pure or const calls.
20224         (verify_gimple_expr): Added verification code.
20225         * config/alpha/alpha.c (alpha_legitimize_address,
20226         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
20227         RTL_CONST_CALL_P.
20228         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
20229         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
20230         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
20231         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
20232         RTL_CONST_OR_PURE_CALL_P.
20233         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
20234         and const calls to be deleted.
20236 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
20238         PR target/35714
20239         * config/i386/mmx.md (mmx_subv2sf3): New expander.
20240         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
20241         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
20242         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
20243         to handle nonimmediate operands.
20244         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
20245         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
20246         to handle nonimmediate operands.
20247         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
20248         (mmx_pmulhrwv4hi3): New expander.  Use
20249         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20250         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
20251         (sse2_umulv1siv1di3): New expander.  Use
20252         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20253         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
20254         (mmx_eq<mode>3): New expander.  Use
20255         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20256         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
20257         (mmx_uavgv8qi3): New expander.  Use
20258         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20259         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
20260         (mmx_uavgv4hi3): New expander.  Use
20261         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20263         * config/i386/sse.md
20264         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
20265         to handle nonimmediate operands.
20266         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
20267         to handle nonimmediate operands.
20268         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
20269         to handle nonimmediate operands.
20270         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
20271         to handle nonimmediate operands.
20272         (sse2_unpckhpd_exp): New expander.  Use
20273         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20274         (sse2_unpcklpd_exp): New expander.  Use
20275         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20276         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
20277         to handle nonimmediate operands.
20278         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
20279         to handle nonimmediate operands.
20280         (*sse2_<plusminus_insn><mode>3): Rename from
20281         sse2_<plusminus_insn><mode>3 insn pattern.
20282         (sse2_<plusminus_insn><mode>3): New expander.  Use
20283         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20284         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
20285         (sse2_umulv2siv2di3): New expander.  Use
20286         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20287         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
20288         (sse4_1_mulv2siv2di3): New expander.  Use
20289         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20290         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
20291         (sse2_pmaddwd): New expander.  Use
20292         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20293         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
20294         (sse2_eq<mode>3): New expander.  Use
20295         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20296         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
20297         (sse4_1_eqv2di3): New expander.  Use
20298         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20299         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
20300         (sse2_uavgv16qi3): New expander.  Use
20301         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20302         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
20303         (sse2_uavgv16qi3): New expander.  Use
20304         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20305         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
20306         (sse2_uavgv8hi3): New expander.  Use
20307         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20308         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
20309         (ssse3_pmulhrswv8hi3): New expander.  Use
20310         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20311         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
20312         (ssse3_pmulhrswv4hi3): New expander.  Use
20313         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20315         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
20316         (<sse>_vmmul<mode>3): Ditto.
20317         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
20318         (divv2df3): Ditto.
20319         (ssse3_pmaddubsw128): Use register_operand for operand 1.
20320         (ssse3_pmaddubsw): Ditto.
20322         * config/i386/i386.c (struct_builtin_description)
20323         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
20324         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
20325         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
20326         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
20327         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
20328         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
20329         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
20330         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
20331         (ix86_fixup_binary_operands): Assert that src1
20332         and src2 must have the same mode when swapped.
20333         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
20334         and ix86_binary_operator_ok.  Do not force operands in registers
20335         when optimizing.
20337 2008-05-07  Jan Hubicka  <jh@suse.cz>
20339         * cgraph.c (dump_cgraph_node): Update.
20340         * cgraph.h (cgraph_local_info): Break out inline summary.
20341         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
20342         hook.
20343         * ipa-inline (inline_summary): New accestor function.
20344         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
20345         cgraph_decide_inlining, compute_inline_parameters): Update.
20346         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
20348 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
20350         Cleanup ColdFire scheduling support and add V4 pipeline model.
20352         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
20353         (define_attr cpu): Add cfv4 value.
20354         (define_attr type, define_attr type1): Merge into a single 'type'
20355         attribute.  Update all uses.
20356         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
20357         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
20358         Update all uses.
20359         (define_attr opx_mem, define_attr opy_mem): Remove.
20360         (define_attr op_mem): Clean up, update comment.
20361         (define_attr size): Use specific values instead of general int.
20362         (define_attr guess, define_attr split): Remove.  Update all uses.
20363         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
20364         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
20365         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
20366         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
20367         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
20368         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
20369         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
20370         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
20371         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
20372         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
20373         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
20374         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
20375         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
20376         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
20377         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
20378         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
20379         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
20380         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
20381         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
20382         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
20383         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
20384         Update or set attributes.
20385         (stack_tie): New fake instruction.
20387         * config/m68k/m68k.h (TUNE_CFV4): New macro.
20388         (m68k_sched_attr_size): Update declaration.
20389         (m68k_sched_attr_type2): Remove.
20390         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
20391         Declare new bypass predicates.
20393         * config/m68k/m68k.c (m68k_sched_issue_rate,
20394         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
20395         implementations.
20396         (TARGET_SCHED_ISSUE_RATE,
20397         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
20398         (override_options): Handle scheduling for ColdFire V4 core.
20399         (m68k_expand_prologue): Emit stack_tie.
20400         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
20401         'OP_TYPE_FPN'.  Update all uses.
20402         (sched_guess_p): Remove.
20403         (sched_address_type): Handle symbolic addresses.
20404         (sched_get_operand): New static function.
20405         (sched_operand_type): Merge into sched_attr_op_type.
20406         (sched_attr_op_type): Handle FP registers, handle quick constants,
20407         update.
20408         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
20409         (m68k_sched_attr_size): Update.  Move logic to ...
20410         (sched_get_attr_size_int): New static function.
20411         (sched_get_opxy_mem_type): New static function.
20412         (m68k_sched_attr_op_mem): Update.
20413         (m68k_sched_attr_type2): Remove.
20414         (sched_cfv4_bypass_data): New static variable.
20415         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
20416         (m68k_sched_issue_rate): Implement scheduler hook.
20417         (struct _sched_ib: enabled_p): New field.
20418         (m68k_sched_variable_issue): Update.  Handle V4.
20419         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
20420         sched_dump_class_func_t, sched_dump_split_class,
20421         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
20422         sched_dump_dfa_class, m68k_sched_dump): Remove.
20423         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
20424         hook.
20425         (m68k_sched_init_global): Remove statisctics dumping, introduce
20426         sanity check that all instructions have pipeline reservations.  Handle
20427         ColdFire V4 core.
20428         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
20429         Handle ColdFire V4 core.
20430         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
20431         New static functions.
20432         (m68k_sched_address_bypass_p): New bypass predicate.
20433         (sched_get_indexed_address_scale): New static function.
20434         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
20436         * cf.md: Update comments.
20437         (define_attr type2): Remove.  Use 'type' attribute instead.
20438         Update all uses.
20439         (cf_ib): Rename to cfv123_ib.  Update all uses.
20440         (cf_oep): Rename to cfv123_oep.  Update all uses.
20441         (cf_chr): Rename to cfv123_chr.  Update all uses.
20442         (cf_mem): Rename to cfv123_mem.  Update all uses.
20443         (cf_mac): Move to more appropriate place.
20444         (cfv123_guess): New automaton and cpu_unit.
20445         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
20446         Update uses of 'size' attribute.  Handle before reload scheduling.
20447         (cfv123_guess): New dummy reservation for unhandled instructions.
20448         (cfv4_*): Pipeline description of ColdFire V4 core.
20449         (ignore): New reservation to handle 'ignore' type.
20451 2008-05-07  Ian Lance Taylor  <iant@google.com>
20453         PR middle-end/36013
20454         * gimplify.c (find_single_pointer_decl_1): Don't look through
20455         indirections.
20456         (find_single_pointer_decl): Adjust comments.
20458 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
20460         PR middle-end/36137
20461         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
20462         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
20464         PR middle-end/36106
20465         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
20466         integral type rather than floating point, then VIEW_CONVERT_EXPR
20467         to the floating point type.
20469 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
20471         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
20472         TFmode op0 to register.
20474 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
20476         * c-decl.c (grokdeclarator): Comment typo.
20478 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
20480         * tree-flow.h: Remove prototype for computed_goto_p.
20481         * tree-cfg.c (computed_goto_p): Make static.
20483 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
20485         PR target/35657
20486         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
20487         (contains_aligned_value_p): This.  Handle _Decimal128.
20488         (ix86_function_arg_boundary): Only align _Decimal128 to its
20489         natural boundary and handle it properly.
20491 2008-05-06  Martin Jambor  <mjambor@suse.cz>
20493         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
20494         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
20495         (ipcp_method_set_orig_node): Removed.
20496         (ipcp_cval_get_cvalue_type): Removed.
20497         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
20498         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
20499         (ipcp_cval_set_cvalue_type): Removed.
20500         (ipcp_cval_get_cvalue): Removed.
20501         (ipcp_cval_set_cvalue): Removed.
20502         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
20503         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
20504         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
20505         (ipcp_cval_meet): Renamed to ipa_lattice_meet
20506         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
20507         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
20508         (ipcp_get_ith_lattice): Changed parameters.
20509         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
20510         (ipcp_lattice_from_jfunc): Changed parameters.
20511         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
20512         (ipcp_method_cval_print): Added temporary variable info.
20513         (ipcp_redirect): Removed already unused local variable caller.
20514         (ipcp_redirect): New temporary variable orig_callee_info
20515         (ipcp_redirect): Removed newly unused local variable callee.
20516         (ipcp_redirect): Removed (a bit confusing) local variable type.
20517         (ipcp_insert_stage): Added local variable info.
20518         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
20519         renamed too
20520         (ipcp_formal_create): Removed.
20521         (ipcp_method_cval_set): Removed.
20522         (ipcp_propagate_stage): Renamed lattice variables.
20523         (ipcp_method_cval_set_cvalue_type): Removed.
20524         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
20525         (ipcp_print_all_lattices): Changed printed strings to refer to
20526         lattices rather than cvals.
20527         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
20528         (ipcp_propagate_const): Changed formal parameters.
20529         (build_const_val): Changed formal parameters.
20530         (ipcp_insert_stage): Removed useless variable cvalue
20531         (build_const_val): Changed formal parameters.
20532         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
20533         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
20534         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
20535         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
20536         (ipcp_print_func_profile_counts): Changed string from "method" to
20537         "function"
20538         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
20539         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
20540         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
20541         (ipcp_structures_print): Renamed to ipcp_print_all_structures
20542         (ipcp_profile_print): Renamed to ipcp_print_profile_data
20543         (ipcp_lat_is_const): Changed parameters and made inline.
20544         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
20545         (ipcp_redirect): Renamed to ipcp_need_redirect_p
20546         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
20547         the predicate condition directly
20548         (ipcp_propagate_stage): Added local variable args. Removed local
20549         variable callee.  (Both are mere code simplifications.)
20550         (ipcp_method_dont_insert_const): Renamed to
20551         ipcp_node_not_modifiable_p.
20552         (ipcp_node_not_modifiable_p): Made inline.
20553         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
20554         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
20555         (ipcp_print_all_lattices): Removed variable cvalue
20556         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
20557         Updated comments.
20559 2008-05-06  Olivier Hainque  <hainque@adacore.com>
20561         * tree-sra.c (try_instantiate_multiple_fields): Early return
20562         if field has POINTER_TYPE.
20564 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
20566         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
20567         by using 'q' specifier for instruction.
20568         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
20570 2008-05-06  Anatoly Sokolov  <aesok@post.ru>
20572         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
20573         Change mode of zero_extract from QImode to HImode.
20574         (sign bit tests peepholes): (Ditto.).
20576 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
20578         * config/i386/mmx.md: Remove double backslashes from asm templates.
20579         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
20580         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
20581         to handle nonimmediate operands.
20582         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
20583         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
20584         to handle nonimmediate operands.
20585         (*mmx_<code>v2sf3_finite): New insn pattern.
20586         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
20587         (mmx_<code>v2sf3): New expander.  Use
20588         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20589         (mmx_<plusminus_insn><mode>3): New expander.  Use
20590         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20591         (*mmx_<plusminus_insn><mode>3): New insn pattern.
20592         (mmx_add<mode>3): Removed.
20593         (mmx_ssadd<mode>3): Ditto.
20594         (mmx_usadd<mode>3): Ditto.
20595         (mmx_sub<mode>3): Ditto.
20596         (mmx_sssub<mode>3): Ditto.
20597         (mmx_ussub<mode>3): Ditto.
20598         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
20599         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
20600         to handle nonimmediate operands.
20601         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
20602         insn pattern.
20603         (mmx_smulv4hi3_highpart): New expander.  Use
20604         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20605         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
20606         insn pattern.
20607         (mmx_umulv4hi3_highpart): New expander.  Use
20608         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20609         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
20610         (mmx_<code>v4hi3): New expander.  Use
20611         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20612         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
20613         (mmx_<code>v8qi3): New expander.  Use
20614         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20615         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
20616         (mmx_<code><mode>3): New expander.  Use
20617         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
20619 2008-05-05  Jan Hubicka  <jh@suse.cz>
20621         PR tree-optimization/36118
20622         * passes.c (pass_init_dump_file): Fix dump header.
20624 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20626         PR middle-end/36141
20627         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
20628         VCE for function decls.
20630 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
20632         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
20634 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
20636         * config/i386/i386.md (sat_plusminus): New.
20637         (plusminus_insn): Likewise.
20638         (plusminus_mnemonic): Likewise.
20639         (addsub): Removed.
20640         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
20641         (*<addsub><mode>3_cc_overflow): Renamed to ...
20642         (*<plusminus_insn><mode>3_cc_overflow): This.
20643         (*<addsub>si3_zext_cc_overflow): Renamed to ...
20644         (*<plusminus_insn>si3_zext_cc_overflow): This.
20646         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
20647         (<plusminus_insn><mode>3): This.
20648         (*<addsub><mode>3): Renamed to ...
20649         (*<plusminus_insn><mode>3): This.
20650         (<sse>_vm<addsub><mode>3): Renamed to ...
20651         (<sse>_vm<plusminus_insn><mode>3): This.
20652         (sse3_h<addsub>v4sf3): Renamed to ...
20653         (sse3_h<plusminus_insn>v4sf3): This.
20654         (sse3_h<addsub>v2df3): Renamed to ...
20655         (sse3_h<plusminus_insn>v2df3): This.
20656         (<plusminus_insn><mode>3): New.
20657         (*<plusminus_insn><mode>3): Likewise.
20658         (sse2_<plusminus_insn><mode>3): Likewise.
20659         (add<mode>): Removed.
20660         (*add<mode>3): Likewise.
20661         (sse2_ssadd<mode>3): Likewise.
20662         (sse2_usadd<mode>3): Likewise.
20663         (sub<mode>3): Likewise.
20664         (*sub<mode>3): Likewise.
20665         (sse2_sssub<mode>3): Likewise.
20666         (sse2_ussub<mode>3): Likewise.
20668 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
20670         * gthr-single.h: Add in required interface elements as per gthr.h.
20671         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
20672         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
20673         Generalize UNUSED macro.
20674         (__gthread_once): Add.
20675         (__gthread_key_create): Add.
20676         (__gthread_key_delete): Add.
20677         (__gthread_getspecific): Add.
20678         (__gthread_setspecific): Add.
20680 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
20682         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
20683         the same size types for the indirect reference on the rhs, then
20684         create a VCE.
20686 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
20688         * config/i386/i386.md
20689         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
20690         one insn template instead of template series.
20691         (*xordi_1_rex64): Ditto.
20692         (*xordi_2_rex64): Ditto.
20694 2008-05-05  Ira Rosen  <irar@il.ibm.com>
20696         PR tree-optimization/36119
20697         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
20698         in case of SLP.
20700 2008-06-04  Jan Hubicka  <jh@suse.cz>
20702         tree-optimization/36100
20703         * tree-pass.h (pass_O0_always_inline): Declare.
20704         * ipa-inline.c (inline_transform): Remove dead code.
20705         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
20706         pass_O0_always_inline): New.
20707         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
20709 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
20711         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
20712         mnemonic in this_param move for TARGET_64BIT.
20714 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
20716         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
20717         (*strmovsi_rex_1): Ditto.
20718         (*strsetsi_1): Ditto.
20719         (*strsetsi_rex_1): Ditto.
20721         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
20722         adddicc expanders using SWI mode iterator.
20724 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
20726         PR target/36121
20727         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
20728         argument handling.
20730 2008-05-04  David S. Miller  <davem@davemloft.net>
20732         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
20733         (sparc*-*-linux*): Use linux.h in tm_file.
20734         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
20735         compiler defaulting to 32-bit.
20736         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
20737         no longer needed.
20738         * config/sparc/linux.h: Remove definitions now obtained
20739         properly from linux.h
20740         * config/sparc/linux64.h: Likewise.
20741         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
20742         don't want this setting for 32-bit builds in a biarch compiler.
20743         * doc/install.texi: Add sparc-linux to list of targets
20744         supporting --enable-targets=all.
20746 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
20748         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
20750 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
20752         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
20753         after V4SI_FTYPE_V8HI.
20754         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
20755         case V4SI_FTYPE_V2DF.
20757 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
20759         * doc/invoke.texi (max-flow-memory-locations): Removed.
20760         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
20762 2008-05-03  Richard Guenther  <rguenther@suse.de>
20764         PR middle-end/34973
20765         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
20767 2008-05-02  David S. Miller  <davem@davemloft.net>
20769         * config.gcc (need_64bit_hwint): Document libcpp dependency.
20771 2008-05-02  Simon Baldwin  <simonb@google.com>
20773         PR bootstrap/36108
20774         * c-common.h (warn_array_subscript_range): Removed.
20775         * c-common.c (warn_array_subscript_range): Ditto.
20776         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
20777         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
20779 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
20781         * config/i386/i386.c (ix86_special_builtin_type): New.
20782         (bdesc_special_args): Likewise.
20783         (ix86_expand_special_args_builtin): Likewise.
20784         (ix86_init_mmx_sse_builtins): Updated.
20785         (ix86_expand_builtin): Updated.
20786         (ix86_expand_store_builtin): Removed.
20787         (ix86_expand_unop_builtin): Likewise.
20789         * config/i386/mm3dnow.h (__v2sf): Moved to ...
20790         * config/i386/mmintrin.h (__v2sf): Here.
20792         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
20793         const __v2sf.
20794         (_mm_loadl_pi): Likewise.
20795         (_mm_storeh_pi): Replace __v2si with __v2sf.
20796         (_mm_storel_pi): Likewise.
20798         * doc/extend.texi: Correct __builtin_ia32_loadhps,
20799         __builtin_ia32_loadlps, __builtin_ia32_storehps,
20800         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
20801         __builtin_ia32_loadlpd.
20803 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
20805         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
20806         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
20807         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
20808         (ix86_init_mmx_sse_builtins): Updated.
20809         (ix86_expand_args_builtin): Likewise.
20810         (ix86_expand_builtin): Likewise.
20811         (ix86_expand_unop1_builtin): Renamed to ...
20812         (ix86_expand_unop_vec_merge_builtin): This.
20814 2008-05-01  Jan Hubicka  <jh@suse.cz>
20816         PR bootstrap/36100
20817         * ipa-inline.c (inline_generate_summary): Make static.
20818         (inline_transform): Do not call inlining at -O0; make static.
20819         * passes.c (execute_todo): Add sanity check.
20820         (execute_one_ipa_transform_pass): Execute proper flags.
20822 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
20824         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
20825         (DECL_NONADDRESSABLE_P): Likewise.
20826         * alias.c (record_component_aliases): Fix comment.
20828 2008-05-01  Simon Baldwin  <simonb@google.com>
20830         * c-common.h (warn_array_subscript_range): New function.
20831         * c-common.c (warn_array_subscript_range): Ditto.
20832         * tree-vrp.c (check_array_ref): Corrected code to agree with
20833         comment, ignoring only arrays of size 0 or size 1.
20834         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
20836 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
20838         * config/i386/i386.c (ix86_builtin_type): Replace
20839         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
20840         (bdesc_args): Updated.
20841         (ix86_init_mmx_sse_builtins): Likewise.
20842         (ix86_expand_args_builtin): Likewise.
20844         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
20845         with __v1di.
20847         * doc/extend.texi: Correct __builtin_ia32_palignr.
20849 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
20851         PR target/36095
20852         * config/i386/i386.c (bdesc_crc32): Removed.
20853         (ix86_expand_crc32): Likewise.
20854         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
20855         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
20856         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
20857         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
20858         UINT_FTYPE_UINT_UCHAR.
20859         (bdesc_args): Updated. Add crc32 builtins.
20860         (ix86_init_mmx_sse_builtins): Updated.
20861         (ix86_expand_args_builtin): Updated to support subreg.
20863         * doc/extend.texi: Correct __builtin_ia32_crc32di.
20865 2008-05-01  Jan Hubicka  <jh@suse.cz>
20867         * tree-pass.h (opt_pass): Add IPA_PASS.
20868         (varpool_node, cgraph_node): Forward declare.
20869         (ipa_opt_pass): Define.
20870         (pass_ipa_inline): Turn into ipa_opt_pass.
20871         (pass_apply_inline): Remove.
20872         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
20873         (apply_inline): Turn into ....
20874         (inline_transform): ... this one.
20875         (inline_generate_summary): New function.
20876         (pass_apply_inline): Remove.
20877         * function.h (ipa_opt_pass): Forward declare structure; typedef;
20878         vector.
20879         (struct function): Add ipa_transforms_to_apply.
20880         * passes.c (register_one_dump_file): Work on IPA_PASS.
20881         (init_optimization_passes): Remove pass_inline_parameters and
20882         pass_apply_inline.
20883         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
20884         (execute_one_pass) ... here; apply transforms when possible.
20885         (add_ipa_transform_pass, execute_ipa_summary_asses,
20886         execute_one_ipa_transform_pass): New.
20887         (execute_ipa_pass_list): Update for IPA_PASS type.
20889 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
20891         * config/i386/i386.c (ix86_builtin_type): Add
20892         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
20893         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
20894         (bdesc_args): Add SSE4a builtins.
20895         (ix86_init_mmx_sse_builtins): Updated.
20896         (ix86_expand_args_builtin): Likewise.
20897         (ix86_expand_builtin): Likewise.
20899 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
20901         * config/i386/i386.c (ix86_builtin_type): Add
20902         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
20903         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
20904         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
20905         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
20906         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
20907         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
20908         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
20909         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
20910         and DI_FTYPE_DI_DI_INT.
20911         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
20912         (ix86_init_mmx_sse_builtins): Updated.
20913         (ix86_expand_args_builtin): Likewise.
20914         (ix86_expand_builtin): Likewise.
20915         (ix86_expand_binop_imm_builtin): Removed.
20917         * doc/extend.texi: Correct __builtin_ia32_palignr128.
20919 2008-04-30  Richard Guenther  <rguenther@suse.de>
20921         PR tree-optimization/32921
20922         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
20924 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
20926         * config/arm/arm.c (arm_unwind_emit): Use
20927         crtl->all_throwers_are_sibcalls instead of
20928         cfun->all_throwers_are_sibcalls.
20929         (arm_output_fn_unwind): Likewise.
20930         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
20931         instead of cfun->uses_pic_offset_table.
20932         (frv_expand_prologue): Likewise.
20933         (frv_frame_pointer_required): Likewise.
20934         (frv_expand_fdpic_call): Likewise.
20935         (frv_emit_movsi): Likewise.
20936         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
20937         cfun->returns_pcc_struct instead of
20938         current_function_returns_pcc_struct.
20939         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
20940         instead of cfun->calls_eh_return.
20941         (m32c_pushm_popm): Likewise.
20942         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
20943         "extern" declaration.
20945 2008-04-30  Richard Guenther  <rguenther@suse.de>
20947         PR tree-optimization/21636
20948         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
20949         constant address.
20950         (evaluate_stmt): Print the likely value.
20951         (ccp_visit_stmt): Avoid excessive vertical spacing.
20953 2008-04-30  Rafael Espíndola  <espindola@google.com>
20955         * builtins.c (fold_call_expr): Return realret.
20956         * tree-ssa-threadedge.c
20957         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
20958         __builtin_object_size.
20960 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
20962         * gcc.c (wrapper_string): New variable.
20963         (insert_wrapper): New function.
20964         (execute): New option -wrapper.
20965         * doc/invoke.texi (Overall Options): New driver option -wrapper.
20967 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
20969         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
20970         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
20971         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
20972         from...
20973         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
20974         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
20975         config/rs6000/e500crtres64gprctr.asm,
20976         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
20977         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
20978         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
20979         config/rs6000/e500crtsav64gprctr.asm,
20980         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
20981         config/rs6000/e500crtsavg64gprctr.asm: New files.
20982         * config/rs6000/t-ppccomm: Add build rules for new files.
20983         (LIB2FUNCS_STATIC_EXTRA): Add new files.
20984         * config/rs6000/t-netbsd: Add build rules for new files.
20985         (LIB2FUNCS_STATIC_EXTRA): New variable.
20986         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
20987         (CRTSAVRES_DEFAULT_SPEC): Likewise.
20988         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
20990 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
20992         * config/i386/i386.c (ix86_builtin_type): Add
20993         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
20994         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
20995         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
20996         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
20997         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
20998         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
20999         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
21000         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
21001         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
21002         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
21003         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
21004         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
21005         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
21006         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
21007         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
21008         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
21009         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
21010         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
21011         V1DI_FTYPE_V2SI_V2SI.
21012         (bdesc_2arg): Moved to ...
21013         (bdesc_args): Here.
21014         (ix86_init_mmx_sse_builtins): Updated.
21015         (ix86_expand_args_builtin): Updated.  Take a pointer
21016         to const struct builtin_description.  Handle comparison
21017         builtin functions.
21018         (ix86_expand_sse_compare): Take a new argument for swapping operands.
21019         (ix86_expand_builtin): Updated.
21021         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
21022         (ssse3_pmaddubsw128): This.
21023         (ssse3_pmaddubswv4hi3): Renamed to ...
21024         (ssse3_pmaddubsw): This.
21026         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
21027         (__builtin_ia32_packssdw128): Likewise.
21028         (__builtin_ia32_packuswb128): Likewise.
21029         (__builtin_ia32_pmaddubsw): Likewise.
21030         (__builtin_ia32_pmaddubsw128): Likewise.
21032 2008-04-30  Richard Guenther  <rguenther@suse.de>
21034         PR tree-optimization/14847
21035         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
21036         (recognize_bits_test): Use it.
21037         (recognize_single_bit_test): Likewise.
21039 2008-04-30  Martin Jambor  <mjambor@suse.cz>
21041         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
21042         instead of setting number of formal parameters to zero.
21043         (ipcp_init_stage): Do not set the number of actual parameters to zero
21044         either.
21045         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
21046         which are called with variable number of arguments.
21047         (ipcp_insert_stage): Explicitely skipping all nodes which are
21048         called with variable number of arguments.
21049         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
21050         number of parameters.
21052         * ipa-prop.h (struct ipa_node_params): Added flag
21053         called_with_var_arguments
21054         (ipa_set_param_count): Added.  Changed sole setter to use it.
21055         (ipa_get_param_count): Added.  All readers of param_count
21056         converted to use it instead.
21057         (ipa_set_called_with_variable_arg): Added.
21058         (ipa_is_called_with_var_arguments): Added.
21059         (ipa_get_ith_param): Added.  All readers of param_decls converted
21060         to use it instead.
21061         (ipa_set_cs_argument_count): Added, sole writer to argument_count
21062         changed to use it.
21063         (ipa_get_cs_argument_count): Added, all readers of argument_count
21064         changed to cal it.
21065         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
21066         to use it.
21068         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
21069         (struct ipcp_lattice): Renamed cval_type to type
21070         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
21072         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
21073         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
21074         (ipcp_insert_stage): Changed the type of variable cvalue to tree
21075         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
21076         (build_const_val): Changed the type of parameter cvalue to tree
21077         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
21078         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
21080         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
21081         constant
21083         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
21084         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
21085         (ipa_add_method): Renamed to ipa_push_func_to_list
21086         (ipa_remove_method): Renamed to ipa_pop_func_from_list
21087         (ipa_callsite_param_count): Removed.
21088         (ipa_callsite_param_count_set): Removed.
21089         (ipa_callsite_param): Removed.
21090         (ipa_callsite_callee): Removed.
21091         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
21092         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
21093         (ipa_method_formal_count): Removed.
21094         (ipa_method_formal_count_set): Removed.
21095         (ipa_method_get_tree): Removed.
21096         (ipa_method_tree_map_create): Removed.
21097         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
21098         (ipa_create_param_decls_array): Creates the array itself
21099         (ipa_create_param_decls_array): Temporary variable info instead of
21100         a few dereferences.
21101         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
21102         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
21103         (get_type): Removed.
21104         (ipa_jf_get_info_type): Removed.
21105         (ipa_node_create): Renamed to ipa_create_node_params
21106         (ipa_free): Renamed to ipa_free_all_node_params
21107         (ipa_nodes_create): Renamed to ipa_create_all_node_params
21108         (ipa_edges_create): Renamed to ipa_create_all_edge_args
21109         (ipa_edges_free): Renamed to ipa_free_all_edge_args
21110         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
21111         (ipa_free_all_node_params): Deallocation to jump_functions moved to
21112         ipa_free_all_edge_args
21113         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
21114         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
21115         (ipa_create_methodlist_node): Removed.
21116         (ipa_methodlist_method): Removed.
21117         (ipa_methodlist_method_set): Removed.
21118         (ipa_methodlist_next_method): Removed.
21119         (ipa_methodlist_next_method_set): Removed.
21120         (ipa_method_is_modified): Removed.
21121         (ipa_method_modify_create): Removed.
21122         (ipa_method_modify_init): Temporary variable info instead of a few
21123         dereferences.
21124         (ipa_detect_param_modifications): Temporary variable info instead of
21125         a few dereferences.
21126         (ipa_compute_jump_functions): Temporary variable info instead of
21127         a few dereferences.
21128         (ipa_method_modify_set): Removed.
21129         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
21130         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
21131         than craph_node as the first parameter.
21132         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
21133         (ipa_method_modify_init): Removed.
21134         (ipa_compute_jump_functions): Added a temp variable instead of
21135         repeatadly dereferencing the cgraph_edge.aux pointer
21136         (ipa_callsite_param_set_type): Removed.
21137         (ipa_compute_jump_functions): i renamed to index and moved to
21138         an inner block
21139         (ipa_callsite_param_set_info_type_formal): Removed.
21140         (ipa_callsite_param_set_info_type): Removed.
21141         (ipa_callsite_param_map_create): Removed.
21142         (ipa_callsite_tree): Removed.
21143         (ipa_callsite_caller): Removed.
21144         (ipa_pop_func_from_list): return_method removed to return_func
21146         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
21147         prefixed all values with IPA_. Changed all users.
21148         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
21149         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
21150         and FORMAL_IPATYPE IPA_PASS_THROUGH.
21151         (union parameter_info): Renamed to jump_func_value.
21152         (union jump_func_value): Renamed value to constant
21153         (struct ipa_jump_func): Renamed info_type to value
21154         (struct ipa_node): Renamed to ipa_node_params
21155         (struct ipa_node_params): Renamed ipa_arg_num to param_count
21156         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
21157         (struct ipa_node_params): Renamed ipa_mod to modified_flags
21158         (struct ipa_edge): Renamed to ipa_edge_args
21159         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
21160         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
21161         (struct ipa_methodlist): Renamed to ipa_func_list
21162         (struct ipa_func_list): method_p renamed to node, next_method
21163         renamed to next
21164         (ipa_methodlist_p): Removed, switched all users to struct pointer
21165         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
21167 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
21169         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
21170         (rs6000_emit_epilogue): Use backchain to restore only when we
21171         have a large frame.  Make use of frame pointer to restore if we
21172         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
21174 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
21176         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
21177         Add mode to zero_extract.
21178         (sign bit tests peepholes): (Ditto.).
21180 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
21182         * config/i386/i386.c (ix86_builtins): Replace Prescott New
21183         Instructions in comments with SSE3.
21184         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
21185         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
21186         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
21187         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
21188         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
21189         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
21190         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
21191         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
21192         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
21193         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
21194         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
21195         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
21196         (bdesc_sse_args): Renamed to ...
21197         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
21198         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
21199         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
21200         IX86_BUILTIN_FABSQ.
21201         (bdesc_1arg): Moved to ...
21202         (bdesc_args): Here.
21203         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
21204         Instructions in comments with SSE3.
21205         (ix86_expand_sse_operands_builtin): Renamed to ...
21206         (ix86_expand_args_builtin): This.  Updated.
21207         (ix86_expand_unop1_builtin): Update comments.
21208         (ix86_expand_builtin): Updated.
21210 2008-04-29  Richard Guenther  <rguenther@suse.de>
21212         PR tree-optimization/36078
21213         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
21214         Update virtual SSA form after cleaning up the CFG.
21216 2008-04-29  Richard Guenther  <rguenther@suse.de>
21218         PR middle-end/15255
21219         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
21221 2008-04-29  Richard Guenther  <rguenther@suse.de>
21223         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
21224         (compute_may_aliases): Do not call finalize_ref_all_pointers.
21225         (compute_flow_insensitive_aliasing): Do not treat
21226         PTR_IS_REF_ALL pointers special.
21227         (get_smt_for): Likewise.
21228         (may_alias_p): Re-structure.
21229         (is_escape_site): A ref-all pointer conversion is not an escape site.
21230         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
21231         PTR_IS_REF_ALL pointers special.
21232         * tree-ssa-structalias.h (struct alias_info): Remove
21233         ref_all_symbol_mem_tag field.
21234         (PTR_IS_REF_ALL): Remove.
21236 2008-04-29  Richard Guenther  <rguenther@suse.de>
21238         PR middle-end/36077
21239         * fold-const.c (extract_muldiv_1): In combining division constants
21240         make sure to never overflow.
21242 2008-04-29  Nick Clifton  <nickc@redhat.com>
21244         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
21246 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
21248         PR bootstrap/35169
21249         * optc-gen.awk: Work around HP-UX/IA awk bug.
21251 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
21253         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
21254         2008-04-25 commit.
21256 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
21258         PR target/36073
21259         * config/i386/i386.md
21260         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
21261         Change operand 1 predicate to nonimmediate_operand.
21263 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
21265         PR debug/36060
21266         * dwarf2out.c (struct die_struct): Mark as chain_circular through
21267         die_sub field.
21268         * gengtype.c (walk_type, write_func_for_structure): Handle
21269         chain_circular.
21270         * doc/gty.texi: Document chain_circular.
21272 2008-04-28  Richard Guenther  <rguenther@suse.de>
21274         PR tree-optimization/36066
21275         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
21276         SCEV and loop.
21278 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
21280         PR target/36064
21281         * config/i386/i386.md
21282         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
21283         Use match_scratch instead of match_operand for operands 3 and 4.
21285 2008-04-27  Richard Guenther  <rguenther@suse.de>
21287         PR tree-optimization/18754
21288         PR tree-optimization/34223
21289         * tree-pass.h (pass_complete_unrolli): Declare.
21290         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
21291         loop size before and after unconditionally of UL_NO_GROWTH in effect.
21292         Rewrite loop into loop closed SSA form if it is not already.
21293         (tree_unroll_loops_completely): Re-structure to iterate over
21294         innermost loops with intermediate CFG cleanups.
21295         Unroll outermost loops only if requested or the code does not grow
21296         doing so.
21297         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
21298         loops are available.
21299         (tree_vectorize): Instead do so here.
21300         (tree_complete_unroll): Also unroll outermost loops.
21301         (tree_complete_unroll_inner): New function.
21302         (gate_tree_complete_unroll_inner): Likewise.
21303         (pass_complete_unrolli): New pass.
21304         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
21305         uses outside of the loop.
21306         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
21307         form if it is available.
21308         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
21309         * passes.c (init_optimization_passes): Schedule complete inner
21310         loop unrolling pass before the first CCP pass after final inlining.
21312 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
21314         * targhooks.h (default_emutls_var_fields,
21315         default_emutls_var_init): Declare.
21316         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
21317         * target.h (struct gcc_target): Add struct emutls member.
21318         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
21319         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
21320         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
21321         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
21322         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
21323         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
21324         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
21325         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
21326         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
21327         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
21328         emit debug information.
21329         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
21330         * varasm.c: Include targhooks.h.
21331         (emutls_object_section, emutls_tmpl_section): New.
21332         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
21333         (EMUTLS_SEPARATOR): New.
21334         (prefix_name): New.
21335         (get_emutls_object_name): New.
21336         (default_emutls_var_fields): New, broken out of ...
21337         (get_emutls_object_type): ... here.  Adjust to use target hooks.
21338         (get_emutls_init_templ_addr): Adjust to use target hooks.
21339         (emutls_decl): Adjust to use target hooks.
21340         (emutls_finish): Likewise.
21341         (default_emutls_var_init): New, broken out of ...
21342         (assemble_variable): ... here.  Adjust to use target hooks.
21343         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
21344         SECCAT_EMUTLS_TMPL.
21345         * c-common.c (handle_section_attribute): Prevent overriding
21346         sections for emulated tls with special sections.
21347         * config/i386/i386.c (x86_64_elf_select_section): Add
21348         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
21349         (x86_64_elf_unique_section): Likewise.
21350         * config/vxworks.c: Include tree.h.
21351         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
21352         (vxworks_override_options): Set TLS scheme.
21353         * doc/tm.texi (Emulated TLS): New node.
21355 2008-04-26  Simon Baldwin  <simonb@google.com>
21357         PR c/35652
21358         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
21359         with propagated string constants.
21361 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
21363         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
21364         constraint for operand 2 when operand 0 is memory operand.
21365         (fix_truncdi_i387_with_temp): Use 'X' constraint for operand 4 when
21366         operand 0 is memory operand.
21367         (fix_trunc<mode>_i387_with_temp): Ditto.
21368         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
21369         operand 2 when operand 1 is memory operand.
21370         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
21371         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
21372         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
21373         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
21374         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
21375         operands 2,3 and 4 when operand 1 is memory operand.
21376         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
21377         is memory operand.
21378         (fistdi2_floor_with_temp): Ditto.
21379         (fist<mode>2_floor_with_temp): Ditto.
21380         (fistdi2_ceil_with_temp): Ditto.
21381         (fist<mode>2_ceil_with_temp): Ditto.
21382         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
21384 2008-04-26  David Daney  <ddaney@avtrex.com>
21386         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
21387         unspec_volitile.
21388         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
21389         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
21390         UNSPEC_UPDATE_GOT_VERSION): Renumber.
21391         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
21392         (compare_and_swap_12): New insn.
21393         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
21394         * config/mips/mips.c (mips_force_binary): New function.
21395         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
21396         (mips_expand_compare_and_swap_12): New function.
21397         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
21399 2008-04-25  Jan Hubicka  <jh@suse.cz>
21401         PR testsuite/35843
21402         * cfgexpand.c (pass_expand): Turn into RTL pass.
21403         * passes.c (execute_one_pass): Do pass typechecking after execution.
21404         * tree-pass.h (pass_expand): Turn into RTL pass.
21406         * function.h (struct rtl_data): Move here fields
21407         accesses_prior_frames, calls_eh_return, saves_all_registers,
21408         has_nonlocal_goto, has_asm_statement, is_thunk,
21409         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
21410         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
21411         arg_pointer_save_area_init from struct function; turn into bool.
21412         (struct function): Move
21413         calls_eh_return, saves_all_registers, has_nonlocal_goto,
21414         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
21415         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
21416         tail_call_emit, arg_pointer_save_area_init
21417         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
21418         (current_function_returns_struct, current_function_returns_pcc_struct,
21419         current_function_calls_setjmp, current_function_calls_alloca,
21420         current_function_accesses_prior_frames,
21421         current_function_calls_eh_return, current_function_is_thunk,
21422         current_function_stdarg, current_function_profile,
21423         current_function_limit_stack, current_function_uses_pic_offset_table,
21424         current_function_uses_const_pool, current_function_has_nonlocal_label,
21425         current_function_saves_all_registers,
21426         current_function_has_nonlocal_goto,
21427         current_function_has_asm_statement): Remove accesor macros.
21428         * ra-conflict.c (global_conflicts): Update.
21429         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
21430         (suitable_for_tail_call_opt_p): Update.
21431         * builtins.c (expand_builtin_return_addr): Update.
21432         (expand_builtin_setjmp_setup): Update.
21433         (expand_builtin_nonlocal_goto): Update.
21434         * final.c (final_start_function): Update.
21435         (profile_function): Update.
21436         (leaf_function_p): Update.
21437         (only_leaf_regs_used): Update.
21438         * df-scan.c (df_get_exit_block_use_set): Update.
21439         * dojump.c (clear_pending_stack_adjust): Update.
21440         * tree-stdarg.c (gate_optimize_stdarg): Update.
21441         * gimple-low.c (lower_function_body): Update.
21442         * global.c (compute_regsets): Update.
21443         (global_alloc): Update.
21444         * dwarf2out.c (dwarf2out_begin_prologue): Update.
21445         * expr.c (expand_assignment): Update.
21446         * dse.c (dse_step0): Update.
21447         (dse_step1): Update.
21448         * c-decl.c (store_parm_decls): Update.
21449         * local-alloc.c (combine_regs): Update.
21450         (find_free_reg): Update.
21451         * function.c (assign_parms_augmented_arg_list): Update.
21452         (assign_parm_find_data_types): Update.
21453         (assign_parms): Update.
21454         (allocate_struct_function): Update.
21455         (expand_function_start): Update.
21456         (expand_function_end): Update.
21457         (get_arg_pointer_save_area): Update.
21458         (thread_prologue_and_epilogue_insns): Update.
21459         (rest_of_match_asm_constraints): Update.
21460         * stor-layout.c (variable_size): Update.
21461         * gcse.c (gcse_main): Update.
21462         (bypass_jumps): Update.
21463         * gimplify.c (gimplify_function_tree): Update.
21464         * calls.c (emit_call_1): Update.
21465         (expand_call): Update.
21466         * bt-load.c (compute_defs_uses_and_gen): Update.
21467         * except.c (sjlj_assign_call_site_values): Update.
21468         (sjlj_emit_function_enter): Update.
21469         (can_throw_external): Update.
21470         (set_nothrow_function_flags): Update.
21471         (expand_builtin_unwind_init): Update.
21472         (expand_eh_return): Update.
21473         (convert_to_eh_region_ranges): Update.
21474         (output_function_exception_table): Update.
21475         * emit-rtl.c (gen_tmp_stack_mem): Update.
21476         * cfgexpand.c (expand_used_vars): Update.
21477         (tree_expand_cfg): Update.
21478         * cfgcleanup.c (rest_of_handle_jump): Update.
21479         * explow.c (allocate_dynamic_stack_space): Update.
21480         * varasm.c (assemble_start_function): Update.
21481         (force_const_mem): Update.
21482         (mark_constant_pool): Update.
21483         * tree-optimize.c (tree_rest_of_compilation): Update.
21484         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
21485         * tree-cfg.c (notice_special_calls): Update.
21486         (is_ctrl_altering_stmt): Update.
21487         (tree_can_make_abnormal_goto): Update.
21488         (tree_purge_dead_abnormal_call_edges): Update.
21489         * config/alpha/predicates.md: Update.
21490         * config/alpha/alpha.c (alpha_sa_mask): Update.
21491         (alpha_sa_size): Update.
21492         (alpha_does_function_need_gp): Update.
21493         (alpha_expand_prologue): Update.
21494         (alpha_start_function): Update.
21495         (alpha_output_function_end_prologue): Update.
21496         (alpha_expand_epilogue): Update.
21497         * config/frv/frv.c (frv_stack_info): Update.
21498         (frv_expand_epilogue): Update.
21499         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
21500         (s390_register_info): Update.
21501         (s390_frame_info): Update.
21502         (s390_init_frame_layout): Update.
21503         (s390_can_eliminate): Update.
21504         (save_gprs): Update.
21505         * config/spu/spu.c (spu_split_immediate): Update.
21506         (need_to_save_reg): Update.
21507         (spu_expand_prologue): Update.
21508         (spu_expand_epilogue): Update.
21509         * config/sparc/sparc.md: Update.
21510         * config/sparc/sparc.c (eligible_for_return_delay): Update.
21511         (sparc_tls_got): Update.
21512         (legitimize_pic_address): Update.
21513         (sparc_emit_call_insn): Update.
21514         (sparc_expand_prologue): Update.
21515         (output_return): Update.
21516         (print_operand): Update.
21517         (sparc_function_ok_for_sibcall): Update.
21518         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
21519         * config/m32r/m32r.md: Update.
21520         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
21521         (m32r_compute_frame_size): Update.
21522         (m32r_expand_prologue): Update.
21523         (m32r_expand_epilogue): Update.
21524         (m32r_legitimize_pic_address): Update.
21525         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
21526         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
21527         * config/i386/i386.c (ix86_frame_pointer_required): Update.
21528         (gen_push): Update.
21529         (ix86_save_reg): Update.
21530         (ix86_compute_frame_layout): Update.
21531         (ix86_expand_prologue): Update.
21532         (ix86_expand_epilogue): Update.
21533         * config/sh/sh.c (output_stack_adjust): Update.
21534         (calc_live_regs): Update.
21535         (sh5_schedule_saves): Update.
21536         (sh_expand_prologue): Update.
21537         (sh_expand_epilogue): Update.
21538         (sh_setup_incoming_varargs): Update.
21539         (sh_allocate_initial_value): Update.
21540         (sh_get_pr_initial_val): Update.
21541         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
21542         * config/sh/sh.md (label:): Update.
21543         * config/avr/avr.c (out_movhi_mr_r): Update.
21544         * config/crx/crx.h (enum): Update.
21545         * config/xtensa/xtensa.h (along): Update.
21546         * config/stormy16/stormy16.c Update.
21547         (xstormy16_compute_stack_layout): Update.
21548         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
21549         (fr30_expand_prologue): Update.
21550         * config/cris/cris.c (cris_conditional_register_usage): Update.
21551         (cris_reg_saved_in_regsave_area): Update.
21552         (cris_initial_frame_pointer_offset): Update.
21553         (cris_simple_epilogue): Update.
21554         (cris_expand_prologue): Update.
21555         (cris_expand_epilogue): Update.
21556         (cris_expand_pic_call_address): Update.
21557         (cris_asm_output_symbol_ref): Update.
21558         (cris_asm_output_label_ref): Update.
21559         * config/cris/cris.md Update.
21560         * config/iq2000/iq2000.c (compute_frame_size): Update.
21561         (iq2000_expand_epilogue): Update.
21562         * config/mt/mt.h (save_direction): Update.
21563         * config/mn10300/mn10300.c (mn10300_function_value): Update.
21564         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
21565         (ia64_secondary_reload_class): Update.
21566         * config/m68k/m68k.c (m68k_save_reg): Update.
21567         (m68k_expand_prologue): Update.
21568         (m68k_expand_epilogue): Update.
21569         (legitimize_pic_address): Update.
21570         * config/rs6000/rs6000.c (rs6000_got_register): Update.
21571         (first_reg_to_save): Update.
21572         (first_altivec_reg_to_save): Update.
21573         (compute_vrsave_mask): Update.
21574         (compute_save_world_info): Update.
21575         (rs6000_stack_info): Update.
21576         (spe_func_has_64bit_regs_p): Update.
21577         (rs6000_ra_ever_killed): Update.
21578         (rs6000_emit_eh_reg_restore): Update.
21579         (rs6000_emit_allocate_stack): Update.
21580         (rs6000_emit_prologue): Update.
21581         (rs6000_emit_epilogue): Update.
21582         (rs6000_output_function_epilogue): Update.
21583         (output_profile_hook): Update.
21584         (rs6000_elf_declare_function_name): Update.
21585         * config/rs6000/rs6000.h (rs6000_args): Update.
21586         * config/rs6000/rs6000.md: Update.
21587         * config/mcore/mcore.c (mcore_expand_prolog): Update.
21588         * config/arc/arc.c (arc_output_function_epilogue): Update.
21589         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
21590         * config/darwin.c (machopic_function_base_name): Update.
21591         * config/score/score3.c (score3_compute_frame_size): Update.
21592         (rpush): Update.
21593         (rpop): Update.
21594         (score3_epilogue): Update.
21595         * config/score/score7.c (score7_compute_frame_size): Update.
21596         (score7_prologue): Update.
21597         (score7_epilogue): Update.
21598         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
21599         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
21600         * config/arm/arm.c (use_return_insn): Update.
21601         (require_pic_register): Update.
21602         (arm_load_pic_register): Update.
21603         (arm_compute_save_reg0_reg12_mask): Update.
21604         (arm_compute_save_reg_mask): Update.
21605         (thumb1_compute_save_reg_mask): Update.
21606         (output_return_instruction): Update.
21607         (arm_output_function_prologue): Update.
21608         (arm_output_epilogue): Update.
21609         (arm_get_frame_offsets): Update.
21610         (arm_expand_prologue): Update.
21611         (thumb_pushpop): Update.
21612         (thumb_exit): Update.
21613         (thumb1_expand_prologue): Update.
21614         (thumb1_expand_epilogue): Update.
21615         (arm_unwind_emit): Update.
21616         (arm_output_fn_unwind): Update.
21617         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
21618         * config/arm/arm.md: Update.
21619         * config/pa/pa.md: Update.
21620         * config/pa/pa.c (legitimize_pic_address): Update.
21621         (compute_frame_size): Update.
21622         (hppa_expand_prologue): Update.
21623         (hppa_expand_epilogue): Update.
21624         (borx_reg_operand): Update.
21625         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
21626         (HARD_REGNO_RENAME_OK): Update.
21627         * config/mips/mips.c (mips_global_pointer): Update.
21628         (mips_save_reg_p): Update.
21629         (mips_compute_frame_info): Update.
21630         (mips_frame_pointer_required): Update.
21631         (mips_expand_prologue): Update.
21632         (mips_expand_epilogue): Update.
21633         (mips_can_use_return_insn): Update.
21634         (mips_reorg_process_insns): Update.
21635         * config/v850/v850.c (compute_register_save_size): Update.
21636         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
21637         * config/mmix/mmix.c (along): Update.
21638         (mmix_expand_epilogue): Update.
21639         * config/bfin/bfin.c (legitimize_pic_address): Update.
21640         (must_save_p): Update.
21641         (stack_frame_needed_p): Update.
21642         (add_to_reg): Update.
21643         (bfin_expand_prologue): Update.
21644         * stmt.c (expand_asm_operands): Update.
21645         * reload1.c (reload): Update.
21646         (init_elim_table): Update.
21648 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
21650         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
21652 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
21654         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
21655         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
21656         (mov<mode>): Removed.
21657         (*movv4sf_internal): Likewise.
21658         (*movv2df_internal): Likewise.
21660 2008-04-25  Pompapathi V Gadad  <Pompapathi.V.Gadad@nsc.com>
21662         * config.gcc (crx-*-elf): Remove deprecation.
21664 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
21666         * config/i386/cygming-crtend.c (register_frame_ctor): Register
21667         __gcc_deregister_frame with atexit.
21668         (deregister_frame_dtor): Remove.
21670 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
21671             Nathan Sidwell  <nathan@codesourcery.com>
21673         * config/rs6000/rs6000.opt (mspe): Remove Var property.
21674         (misel): Likewise.
21675         * config/rs6000/rs6000.h (rs6000_spe): Declare.
21676         (rs6000_isel): Likewise.
21677         * config/rs6000/rs6000.c (rs6000_spe): New variable.
21678         (rs6000_isel): New variable.
21679         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
21681 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
21683         PR c++/35758
21684         * c-common.c (handle_vector_size_attribute): Call
21685         lang_hooks.types.reconstruct_complex_type instead of
21686         reconstruct_complex_type.
21687         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
21688         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
21689         * langhooks.h (struct lang_hooks_for_types): Add
21690         reconstruct_complex_type hook.
21691         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
21692         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
21694 2008-04-24  Richard Guenther  <rguenther@suse.de>
21696         * c-common.h (check_builtin_function_arguments): Declare.
21697         * c-common.c (validate_nargs): New function.
21698         (check_builtin_function_arguments): Likewise.
21699         * c-typeck.c (build_function_call): Call
21700         check_builtin_function_arguments.
21701         * builtins.c (fold_builtin_classify): Remove error reporting code.
21702         (fold_builtin_unordered_cmp): Likewise.
21703         (fold_builtin_1): Likewise.
21704         (fold_builtin_n): Likewise.
21706 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
21708         PR tree-optimization/36008
21709         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
21710         the original op1, rather than delta by step.
21712 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
21713             Sebastian Pop  <sebastian.pop@amd.com>
21715         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
21716         eliminate_local_variables_stmt, eliminate_local_variables,
21717         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
21718         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
21719         of code delimited by two edges in the CFG.
21720         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
21721         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
21722         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
21723         the case of parallelisation of reductions.
21724         (expr_invariant_in_region_p): New.
21726         * tree-flow.h (gather_blocks_in_sese_region): Declared.
21727         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
21729 2008-04-24  Ira Rosen  <irar@il.ibm.com>
21730             Richard Guenther  <rguenther@suse.de>
21732         PR tree-optimization/36034
21733         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
21734         incapable of dealing with loads with gaps.
21736 2008-04-24  Rafael Espíndola  <espindola@google.com>
21738         * tree-flow.h (vrp_evaluate_conditional): Change signature.
21739         * tree-ssa-propagate.c (fold_predicate_in): Update call to
21740         vrp_evaluate_conditional.
21741         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
21742         (vrp_evaluate_conditional): Split the cond argument.
21743         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
21744         (simplify_stmt_for_jump_threading): Update call to
21745         vrp_evaluate_conditional.
21747 2008-04-24  Ira Rosen  <irar@il.ibm.com>
21749         PR tree-optimization/35982
21750         * tree-vect-analyze.c (vect_check_interleaving): Check that the
21751         interleaved data-refs are of the same type.
21753 2008-04-24  Danny Smith  <dannysmith@users.net>
21755         * c-format.c (check_format_info_main): Use strncmp rather than a
21756         magic prefix to handle multichar length specs.
21757         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
21758         Don't prefix "I64" and "I32" with '\0'.
21760 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
21762         PR target/36015
21763         * config/i386/i386.c (init_cumulative_args): Don't pass anything
21764         in registers for -m32 only if stdarg_p (fntype).
21766 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
21768         PR rtl-optimization/36006
21769         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
21770         temp to op0 in order to avoid invalid rtx sharing.
21772 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
21774         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
21775         check TREE_INVARIANT.
21776         * tree-gimple.c (is_gimple_address): New.
21777         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
21778         * tree-gimple.h (is_gimple_address): New.
21779         * tree.h (decl_address_invariant_p): New.
21780         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
21781         (build_string): Likewise.
21782         (decl_address_invariant_p): New, from is_gimple_invariant_address.
21783         (tree_invariant_p_1): Likewise.
21784         (save_expr): Use it.
21785         (tree_invariant_p): New.
21786         (skip_simple_arithmetic): Use it.
21787         (stabilize_reference_1): Use it.
21788         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
21789         simplify.
21790         (build1_stat): Drop code to compute TREE_INVARIANT.
21791         (build2_stat): Drop code to compute TREE_INVARIANT.
21792         (build3_stat): Drop code to compute TREE_INVARIANT.
21793         (build4_stat): Drop code to compute TREE_INVARIANT.
21794         (build5_stat): Drop code to compute TREE_INVARIANT.
21795         (build7_stat): Drop code to compute TREE_INVARIANT.
21796         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
21797         * tree.h (struct tree_base): Remove invariant_flag.
21798         (TREE_INVARIANT): Remove.
21799         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
21800         (fold_builtin_expect): Check TREE_CONSTANT.
21801         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
21802         * c-tree.h (c_expr_to_decl): Drop third parameter.
21803         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
21804         (build_c_cast): Don't set TREE_INVARIANT.
21805         (pop_init_level): Don't set TREE_INVARIANT.
21806         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
21807         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
21808         TREE_CONSTANT.
21809         (gimplify_init_constructor): Don't set TREE_INVARIANT.
21810         (gimplify_addr_expr): Adjust comment.
21811         * tree-mudflap.c (mf_build_string):
21812         * print-tree.c (print_node): Don't print TREE_INVARIANT.
21813         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
21814         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
21815         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
21816         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
21817         * langhooks.h (struct lang_hooks): Drop third parameter from
21818         expr_to_decl.
21820 2008-04-23  Richard Guenther  <rguenther@suse.de>
21822         PR tree-optimization/27799
21823         PR tree-optimization/32921
21824         PR tree-optimization/32624
21825         * tree-ssa-structalias.c (merge_smts_into): Only merge the
21826         SMTs aliases and the tag itself into the solution.
21827         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
21828         merge the points-to solution back into the SMT aliases.
21829         (may_alias_p): Use alias_set_subset_of instead of
21830         aliases_conflict_p.  A pointer which points to
21831         memory with alias set zero may access any variable.
21833 2008-04-23  Richard Guenther  <rguenther@suse.de>
21835         * alias.c (alias_set_subset_of): Correctly handle asking
21836         if zero is a subset of an alias set with zero child.
21837         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
21838         (compute_flow_insensitive_aliasing): Correctly walk all
21839         pointers.  Do not unnecessarily union sets.
21841 2008-04-23  Richard Guenther  <rguenther@suse.de>
21843         PR middle-end/36021
21844         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
21846 2008-04-22  Tomas Bily  <tbily@suse.cz>
21848         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
21849         unreachable case.
21850         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
21851         NON_LVALUE_EXPR.
21852         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
21853         * tree-ssa-structalias.c (get_constraint_for): Likewise.
21854         * tree-inline.c (estimate_num_insns_1): Likewise.
21855         * varasm.c (const_hash_1, compare_constant, copy_constant)
21856         (compute_reloc_for_constant, output_addressed_constants): Likewise.
21857         * emit-rtl.c (component_ref_for_mem_expr)
21858         (set_mem_attributes_minus_bitpos): Likewise.
21859         * expr.c (highest_pow2_factor, expand_expr_real_1)
21860         (is_aligning_offset): Likewise.
21861         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
21862         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
21863         * dojump.c (do_jump): Likewise.
21864         * builtins.c (get_pointer_alignment, get_memory_rtx)
21865         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
21866         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
21868 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
21870         PR rtl-optimization/36017
21871         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
21872         expanding the library call.
21874 2008-04-22  Ian Lance Taylor  <iant@google.com>
21876         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
21877         than size_in_bytes.
21879 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
21881         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
21882         of LR/CTR moves for Power6.
21884 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
21886         PR middle-end/36003
21887         * passes.c (init_optimization_passes): Remove
21888         pass_fast_rtl_byte_dce.
21890 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
21892         PR target/29096
21893         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
21894         builtin functions to generate faster code.
21895         (_mm_cvtpu16_ps): Ditto.
21896         (_mm_cvtpi32x2_ps): Ditto.
21898 2008-04-22  Nick Clifton  <nickc@redhat.com>
21900         * common.opt (ftree-loop-distribution): Add Optimization
21901         attribute.
21903         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
21904         (frv_expand_builtin_va_start): Likewise.
21906         * config/arm/arm.c (thumb_find_work_register): Fix location of
21907         argument register count.
21909 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
21911         Support scheduling for ColdFire V1 and V3 microarchitecture.
21912         Improve scheduling of multiplication instructions.
21914         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
21915         (mac): New instruction attribute.
21916         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
21917         (m68k_sched_mac): New variable.
21918         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
21919         Handle cfv1 and cfv3.
21920         (max_insn_size): New static variable.
21921         (struct _sched_ib): New type.
21922         (sched_ib): New static variable.
21923         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
21924         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
21925         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
21926         Update.
21927         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
21928         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
21929         new variables.  Update.
21930         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
21931         Add modeling of cfv3 instruction buffer.  Update.
21932         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
21933         * config/m68k/m68k.h (TUNE_CFV3): New macro.
21934         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
21935         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
21936         a particular reservation applies to.
21937         (type2): Reorganize attribute values.  Rename alu to alu_reg,
21938         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
21939         to mul_l and mul_w.
21940         (cf_ib_*): Simplify description of instruction buffer.
21941         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
21942         (cf_mem): Split into cf_mem1 and cf_mem2.
21943         (cf_v2_move_??): Rename to cfv12_alu_??.
21944         (cf_v2_move_l_??): Rename to cfv12_omove_??.
21945         (cf_v2_mul_??): Remove reservations.
21946         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
21947         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
21948         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
21949         appropriate place.
21950         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
21951         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
21952         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
21953         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
21954         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
21955         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
21956         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
21957         expansions of the above reservations for instructions of sizes
21958         1, 2 and 3 words.
21960 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
21962         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
21964 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
21966         * coverage.c: Include tree-pass.h.
21967         (coverage_counter_alloc): Print da_file_name to the dump file.
21969 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
21971         * sbitmap.c (sbitmap_range_empty_p): New function.
21972         * sbitmap.h (sbitmap_range_empty_p): New function.
21973         * bitmap.h: Now includes obstack.h.
21975 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
21976             Kenneth Zadeck  <zadeck@naturalbridge.com>
21978         * dbgcnt.def (ra_byte_scan): Added.
21979         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
21980         when the last hit happens for a counter.
21981         * timevar.def (TV_DF_BYTE_LR): New variable.
21982         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
21983         * passes.c (pass_fast_rtl_byte_dce): New pass.
21984         * fwprop.c (update_df): Added mode to call df_ref_create.
21985         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
21986         DF_REF_EXTRACT_OFFSET.
21987         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
21988         DF_BYTE_LR_OUT, df_byte_lr): New macro.
21989         (df_mm): New enum.
21990         (df_ref_extract): Added mode field.
21991         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
21992         DF_REF_EXTRACT_OFFSET.
21993         (DF_REF_EXTRACT_MODE): New macro.
21994         (df_byte_lr_bb_info): New structure.
21995         (df_print_byte_regset, df_compute_accessed_bytes,
21996         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
21997         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
21998         df_byte_lr_simulate_uses,
21999         df_byte_lr_simulate_artificial_refs_at_top,
22000         df_byte_lr_simulate_artificial_refs_at_end,
22001         df_compute_accessed_bytes): New function.
22002         (df_ref_create): Add parameter.
22003         (df_byte_lr_get_bb_info): New inline function.
22004         * df-scan.c (df_ref_record, df_uses_record,
22005         df_ref_create_structure): Added mode parameter.
22006         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
22007         df_defs_record, df_uses_record, df_get_conditional_uses,
22008         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
22009         df_entry_block_defs_collect, df_exit_block_uses_collect):
22010         Added mode parameter to calls to df_ref_record, df_uses_record,
22011         df_ref_create_structure.
22012         (df_ref_equal_p, df_ref_compare): Added test for modes.
22013         (df_ref_create_structure): Added code to set mode.  Renamed
22014         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
22015         DF_REF_EXTRACT_OFFSET.
22016         * df-core.c (df_print_byte_regset): New function.
22017         * df-byte-scan.c: New file.
22018         * df-problems.c (df_rd_transfer_function): Removed unnecessary
22019         calls to BITMAP_FREE.
22020         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
22021         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
22022         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
22023         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
22024         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
22025         df_byte_lr_local_compute, df_byte_lr_init,
22026         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
22027         df_byte_lr_transfer_function, df_byte_lr_free,
22028         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
22029         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
22030         df_byte_lr_simulate_uses,
22031         df_byte_lr_simulate_artificial_refs_at_top,
22032         df_byte_lr_simulate_artificial_refs_at_end): New function.
22033         * dce.c (byte_dce_process_block): New function.
22034         (dce_process_block): au is now passed in rather than computed
22035         locally.  Changed loops that look at artificial defs to not look
22036         for conditional or partial ones, because there never are any.
22037         (fast_dce): Now is able to drive byte_dce_process_block or
22038         dce_process_block depending on the kind of dce being done.
22039         (rest_of_handle_fast_dce): Add parameter to fast_dce.
22040         (rest_of_handle_fast_byte_dce): New function.
22041         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
22042         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
22044 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
22046         PR fortran/35019
22047         * gcc.h: Added fortran options that take arguments to
22048         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
22049         macros.
22051 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
22053         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
22054         scalarization if on the LHS and not a full access.
22056 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22058         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
22060 2008-04-18  Rafael Espíndola  <espindola@google.com>
22062         * tree-vrp.c (find_case_label_index): Fix the binary search.
22063         (find_case_label_range): New.
22064         (vrp_visit_switch_stmt): Use find_case_label_range.
22065         (simplify_switch_using_ranges): Use find_case_label_range.
22067 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
22069         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
22070         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
22072 2008-04-18  Tom Tromey  <tromey@redhat.com>
22074         PR libcpp/15500:
22075         * doc/cpp.texi (Implementation-defined behavior): Mention
22076         -finput-charset.
22078 2008-04-18  Ian Lance Taylor  <iant@google.com>
22080         * fold-const.c (pointer_may_wrap_p): New static function.
22081         (fold_comparison): Add another test for pointer overflow.  Use
22082         pointer_may_wrap_p to disable some false positives.
22084 2008-04-18  Kris Van Hees  <kris.van.hees@oracle.com>
22086         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
22087         (fname_as_string): Match updated cpp_interpret_string prototype.
22088         (fix_string_type): Support char16_t* and char32_t*.
22089         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
22090         derivative) nodes.  Register as builtin if C++0x.
22091         (c_parse_error): Support CPP_CHAR{16,32}.
22092         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
22093         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
22094         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
22095         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
22096         CTI_CHAR32_ARRAY_TYPE>: New elements.
22097         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
22098         char32_type_node, signed_char32_type_node, char16_array_type_node,
22099         char32_array_type_node): New defines.
22100         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
22101         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
22102         (lex_string): Support CPP_STRING{16,32}, match updated
22103         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
22104         (lex_charconst): Support CPP_CHAR{16,32}.
22105         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
22106         and CPP_STRING{16,32}.
22108 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
22110         PR bootstrap/35457
22111         * aclocal.m4: Regenerate.
22112         * configure: Regenerate.
22114 2008-04-18  Jan Hubicka  <jh@suse.cz>
22116         * except.c (dw2_size_of_call_site_table,
22117         sjlj_size_of_call_site_table): Use vector API for call_site_record.
22119         * cgraphbuild.c (build_cgraph_edges): Update.
22120         * tree-pass.h: Update comment.
22121         * final.c (leaf_function_p): Update.
22122         (leaf_renumber_regs): Update.
22123         (rest_of_clean_state): Update.
22124         * omp-low.c (expand_omp_parallel): Update.
22125         * ipa-reference.c (analyze_function): Update.
22126         * reorg.c (find_end_label): Update.
22127         (optimize_skip): Update.
22128         (fill_simple_delay_slots): Update.
22129         (fill_simple_delay_slots): Update.
22130         (make_return_insns): Update.
22131         (dbr_schedule): Update.
22132         * gimple-low.c (record_vars_into): Update.
22133         * cfgbuild.c (make_edges): Update.
22134         * function.c (assign_stack_local): Update.
22135         (assign_parm_adjust_stack_rtl): Update.
22136         (locate_and_pad_parm): Update.
22137         (allocate_struct_function): Do not initialize stack_alignment_needed
22138         and preferred_stack_boundary here.
22139         (stack_protect_prologue): Update.
22140         (stack_protect_epilogue): Update.
22141         (expand_function_start): Initialize stack_alignment_needed,
22142         preferred_stack_boundary and max_jumptable_ents.
22143         (expand_function_end): Update.
22144         (free_after_compilation): Do not NULLify epilogue_delay_list.
22145         * function.h (struct rtl_data): Add stack_protect_guard,
22146         stack_alignment_needed,
22147         preferred_stack_boundary, epilogue_delay_list.
22148         (struct function): Remove value_histograms, stack_alignment_needed,
22149         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
22150         last_label_uid,
22151         unexpanded_var_list, stack_protect_guard.
22152         (current_function_epilogue_delay_list): Remove.
22153         * ipa-type-escape.c (analyze_function): Update.
22154         * gimplify.c (pop_gimplify_context): Update comment.
22155         * calls.c (expand_call): Update.
22156         (emit_library_call_value_1): Update.
22157         * except.c (set_nothrow_function_flags): Update.
22158         * cfgexpand.c (get_decl_align_unit): Update.
22159         (create_stack_guard): Update.
22160         (estimated_stack_frame_size): Update.
22161         (expand_used_vars): Update.
22162         (tree_expand_cfg): Free histogram earliers, init expansion variables.
22163         * explow.c (allocate_dynamic_stack_space): Update.
22164         * tree-ssa-live.c (remove_unused_locals): Update.
22165         * varasm.c (mark_constant_pool): Update.
22166         * tree-inline.c (remap_decls): Update.
22167         (initialize_cfun): Update.
22168         (declare_return_variable): Update.
22169         (inline_forbidden_p): Update.
22170         (expand_call_inline): Update.
22171         (declare_inline_vars): Update.
22172         (tree_function_versioning): Update.
22173         * tree-flow.h (value_histograms): New.
22174         (VALUE_HISTOGRAMS): New macro.
22175         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
22176         last_label_uid.
22177         * tree-cfg.c (set_bb_for_stmt): Update.
22178         (replace_by_duplicate_decl): Update.
22179         (move_block_to_fn): Update.
22180         (new_label_mapper): Update.
22181         (dump_function_to_file): Update.
22182         * ipa-struct-reorg.c (build_data_structure): Update.
22183         * cfgrtl.c (print_rtl_with_bb): Update.
22184         * reload1.c (reload): Update.
22185         (reload): Update.
22186         * config/i386/i386.c (setup_incoming_varargs_64,
22187         ix86_compute_frame_layout): Update.
22188         * config/arc/arc.c (arc_output_function_epilogue): Update.
22190 2008-04-18  Marius Strobl  <marius@FreeBSD.org>
22192         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
22193         for FreeBSD as well.
22194         * gthr-posix95.h: Likewise.
22196 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
22198         PR rtl-optimization/35838
22199         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
22200         out the byte offset of the first subreg.
22202 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
22204         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
22205         to split_ti instead of three separate calls with single member arrays.
22206         (subti3 splitter): Ditto.
22207         (adddi3 splitter): Ditto with split_di.
22208         (subdi3 splitter): Ditto.
22209         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
22210         two separate calls with single member arrays.  Swap match_dup
22211         operands 1 and 2 to better fit into the array.
22212         (negdi2 splitter): Ditto with split_di.
22213         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
22214         two separate calls with single member arrays.  Swap match_dup operands
22215         6 and 7 to better fit into the array.
22217 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
22219         * config/i386/i386.c (sse_builtin_type): New.
22220         (bdesc_sse_args): Likewise.
22221         (bdesc_sse_3arg): Removed.
22222         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
22223         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
22224         IX86_BUILTIN_ROUNDPS.
22225         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
22226         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
22227         IX86_BUILTIN_ROUNDPS.
22228         (ix86_expand_sse_4_operands_builtin): Removed.
22229         (ix86_expand_sse_operands_builtin): New.
22230         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
22231         and CODE_FOR_sse4_1_roundps.
22232         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
22233         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
22235 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
22237         PR target/35907
22238         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
22239         regs before frame pop when needed.  If use_backchain_to_restore_sp
22240         then load backchain into a temp reg to restore vr and vrsave.  Add
22241         code to restore vr after frame pop if possible.
22243 2008-04-17  Richard Guenther  <rguenther@suse.de>
22245         * tree-vn.c (expressions_equal_p): Do not check type
22246         equality or compatibility before calling operand_equal_p.
22247         * fold-const.c (operand_equal_p): Check equivalence of
22248         integer constants before bailing out due to signedness or
22249         precision differences.
22250         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
22251         spurious differences in type qualification.  Ignore types
22252         for COMPONENT_REFs at all.
22254 2008-04-17  Christian Bruel  <christian.bruel@st.com>
22256         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
22257         msw_skip comparison.
22259 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
22261         PR c/35739
22262         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
22263         reg type.
22265         PR tree-optimization/35899
22266         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
22267         rather than TREE_OPERAND.
22269 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
22271         PR target/35944
22272         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
22273         temporary registers.  Change operand predicate to general_operand.
22274         (remainderxf3): Ditto.
22276 2008-04-16  Richard Guenther  <rguenther@suse.de>
22278         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
22279         * tree-affine.c (aff_combination_expand): Look through some
22280         conversions.
22282 2008-04-15  Doug Kwan  <dougkwan@google.com>
22284         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
22285         for hex printing.
22286         * tree-pretty-print.c (dump_generic_node): Ditto.
22287         * final.c (output_addr_const): Ditto.
22288         * dwarf2out.c (output_cfi): Ditto.
22289         * c-pretty-print.c (pp_c_integer_constant): Ditto.
22290         * print-rtl.c (print_rtx): Ditto.
22291         * print-tree.c (print_node_brief, print_node): Ditto.
22292         * c-common.c (match_case_to_enum_1): Ditto.
22293         * sched-vis.c (print_value): Ditto.
22294         * config/i386/i386.c (print_operand): Cast to long unsigned int
22295         for hex printing.
22297 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
22298         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
22299         MS Windows VirtualProtect function.
22301 2008-04-15  Jan Hubicka  <jh@suse.cz>
22303         * gengtype.c (write_root): Param_is argument is OK.
22304         * expr.c (expand_expr_real_1): Update call of get_exception_*.
22305         * function.h: Include varray.h
22306         (rtl_eh): New stucture based on except.c one.
22307         (call_site_record): New forward declaration and vector type.
22308         * calls.c (emit_call_1): Do not call
22309         note_current_region_may_contain_throw.
22310         * except.c (eh_status): Remove cur_region, try_region since they are
22311         unused.
22312         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
22313         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
22314         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
22315         Remove call_site_data_used, call_site_data_size.
22316         Turn call_site_record into vector in function.h.
22317         (note_current_region_may_contain_throw): Remove.
22318         (get_exception_pointer, get_exception_filter): Do not take struct
22319         function argument; update.
22320         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
22321         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
22322         build_post_landing_pads, dw2_build_landing_pads,
22323         sjlj_assign_call_site_values, sjlj_mark_call_sites,
22324         sjlj_emit_function_enter, sjlj_emit_function_enter,
22325         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
22326         sjlj_build_landing_pads, finish_eh_generation,
22327         remove_exception_handler_label, remove_eh_handler,
22328         maybe_remove_eh_handler, add_reachable_handler,
22329         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
22330         add_action_record, collect_one_action_chain, add_call_site,
22331         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
22332         sjlj_output_call_site_table, output_function_exception_table,
22333         * except.h (note_current_region_may_contain_throw): Remove
22334         (get_exception_pointer, get_exception_filter): Do not take struct
22335         function argument.
22336         * Makefile.in (GTFILES): Put varargs before struct function.
22338 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
22340         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
22341         punt for STRING_CST.
22342         (get_constraint_for): Deal with STRING_CST here instead.
22344 2008-04-15  Richard Guenther  <rguenther@suse.de>
22346         * tree-ssa-propagate.c (substitute_and_fold): Substitute
22347         statements in a basic-block with a backward walk.  Do not
22348         substitute into dead statements but instead remove those.
22350 2008-04-15  Richard Guenther  <rguenther@suse.de>
22352         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
22353         to zero, thus disable creation of SFTs.
22355 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
22357         * tree-predcom.c (suitable_reference_p): Return false if the
22358         reference can throw.
22360 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
22362         PR c/35751
22363         * c-decl.c (finish_decl): If extern or static var has variable
22364         size, set TREE_TYPE (decl) to error_mark_node.
22366 2008-04-15  Rafael Espíndola  <espindola@google.com>
22368         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
22369         variable arg1.
22371 2008-04-15  Richard Guenther  <rguenther@suse.de>
22373         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
22374         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
22375         (visit_reference_op_load): Do walk vuse-vdef chains on
22376         vn_reference_lookup.
22377         (visit_reference_op_store): But do not here.
22378         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
22379         vn_reference_lookup.
22380         (vn_lookup_with_vuses): But do so here.
22382 2008-04-14  Ian Lance Taylor  <iant@google.com>
22384         * fold-const.c (fold_overflow_warning): Remove assertion.
22386 2008-04-15  Ben Elliston  <bje@au.ibm.com>
22388         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
22389         temp1 local variables.
22391 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
22393         PR target/35661
22394         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
22395         ".text.unlikely" section as executable.
22397 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
22399         * config/ia64/ia64.c (rtx_needs_barrier): Handle
22400         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
22401         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
22402         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
22403         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
22404         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
22405         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
22407 2008-04-14  Ian Lance Taylor  <iant@google.com>
22409         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
22410         * fold-const.c (fold_comparison): If appropriate, test
22411         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
22412         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
22413         reassociating a pointer type.
22414         * doc/invoke.texi (Optimize Options): Document that
22415         -fstrict-overflow applies to pointer wraparound.
22417 2008-04-13  Jan Hubicka  <jh@suse.cz>
22419         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
22421 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
22423         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
22424         we are going to "save the world".
22426 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
22428         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
22429         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
22430         operand 0 constraint, not "=".
22432 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
22434         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
22436 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
22438         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
22439         of size of positions_needed * CHAR_BIT.
22441 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
22443         PR middle-end/35897
22444         * dse.c (store_info): Change positions_needed to unsigned
22445         HOST_WIDE_INT.
22446         (lowpart_bitmask): New.
22447         (record_store): Cast to unsigned HOST_WIDE_INT for
22448         positions_needed.  Assert width <= size of positions_needed *
22449         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
22450         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
22451         lowpart_bitmask to set mask.
22453 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
22455         * config/bfin/constraints.md: New file.
22456         * config/bfin/bfin.md: Include it.
22457         (adddi3): Use satisfies_constraint functions instead of the old macros.
22458         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
22459         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
22460         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
22461         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
22462         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
22463         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
22464         EXTRA_CONSTRAINT): Delete.
22465         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
22466         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
22467         of the old macros.
22468         * config/bfin/bfin.c: Include "tm-constrs.h".
22469         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
22470         Use satisfies_constraint functions instead of the old macros.
22471         * doc/md.texi (Blackfin Constraints): Update file name reference.
22473 2008-04-11  Richard Guenther  <rguenther@suse.de>
22475         PR tree-optimization/35869
22476         * tree-vrp.c (execute_vrp): Move switch statement update after
22477         jump threading.  Schedule another cfg cleanup run.
22479 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
22481         PR c/35744
22482         * attribs.c (decl_attributes): Return early on errorneous node.
22484 2008-04-10  Oleg Ryjkov  <olegr@google.com>
22486         * tree.h (struct tree_base): Added a new flag default_def_flag.
22487         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
22489 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
22491         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
22493 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22495         PR target/35768
22496         * pa.md: Define mode iterator P.  Define mode attribute dwc.
22497         (dcacheflush): Update pattern to use iterator P and attribute dwc.
22498         (icacheflush): Likewise.
22499         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
22500         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
22502 2008-04-11  Ben Elliston  <bje@au.ibm.com>
22504         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
22506 2008-04-10  Rafael Espíndola  <espindola@google.com>
22508         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
22509         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
22510         (extract_range_from_expr): The same.
22512 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
22514         * config/mips/mips.md (GPR2): New mode iterator.
22515         (seq): Add comment.
22516         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
22517         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
22518         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
22519         Rewrite these to take two modes, the mode of comparison and the
22520         mode of the destination.
22521         * config/mips/mips.c (mips_expand_scc): Instead of having
22522         paradoxical subreg as destination, expand "narrowing" scc if mode
22523         of comparison is SI and target is requested in DI mode.
22524         (mips_emit_int_order_test): Update comment.  Make mode of
22525         comparison match CMP0 rather than TARGET.  When creating inverse
22526         target use mode of TARGET.
22528 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
22530         * gcov-dump.c (tag_summary): Only print summaries for the first
22531         GCOV_COUNTERS_SUMMABLE counters.
22533 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
22535         * config/i386/i386.md (absneg): New code iterator.
22536         (absnegprefix): New code attribute.
22537         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
22538         patterns using absneg code iterator.
22539         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
22540         using absneg code iterator.
22541         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
22542         *neg<mode>2 patterns using absneg code iterator.
22543         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
22544         *negextendsfdf2 patterns using absneg code iterator.
22545         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
22546         *negextendsfxf2 patterns using absneg code iterator.
22547         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
22548         *negextendsfdf2 patterns using absneg code iterator.
22549         * config/i386/sse.md (<code><mode>2): Macroize expander from
22550         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
22552 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
22554         * config/s390/s390.h: Remove the remains of the recent search
22555         & replace action of current_function_outgoing_args_size.
22557 2008-04-10  Ira Rosen  <irar@il.ibm.com>
22559         PR tree-optimization/35821
22560         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
22561         NEW_STMT_LIST is not NULL.
22563 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
22565         PR libstdc++/35597
22566         * toplev.c (process_options): Remove -ffunction-sections debugging
22567         warning.
22569 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
22571         PR middle-end/PR28690
22572         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
22573         than gen_rtx_fmt_ee to perform more canonicalizations.
22575 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22577         PR driver/35665
22578         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
22580 2008-04-09  Richard Guenther  <rguenther@suse.de>
22582         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
22583         (dump_function_to_file): Dump function arguments with types.
22585 2008-04-08  Richard Guenther  <rguenther@suse.de>
22587         * fold-const.c (fold_widened_comparison): Do not allow
22588         sign-changes that change the result.
22590 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
22592         PR target/35839
22593         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
22594         kinds of indirect references.
22596 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
22598         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
22599         GNU Fortran language string.
22601 2008-04-08  Rafael Espíndola  <espindola@google.com>
22603         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
22604         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
22605         * tree.h (tree_call_nonnegative_warnv_p): New.
22607 2008-04-08  Jan Hubicka  <jh@suse.cz>
22609         * function.c (free_after_compilation): Clear out regno_reg_rtx
22610         pointer.
22612 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
22614         Revert
22615         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
22617         PR middle-end/PR28690
22618         * rtlanal.c (commutative_operand_precedence): Give SYMBOL_REF's the
22619         same precedence as REG_POINTER and MEM_POINTER operands.
22621 2008-04-08  Richard Guenther  <rguenther@suse.de>
22623         PR middle-end/35834
22624         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
22625         for adding index to base.
22627 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
22629         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
22630         (MINGW_ENABLE_EXECUTE_STACK): New.
22631         (IN_LIBGCC2): For libgcc include windows.h file for
22632         function declarations.
22634 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
22636         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
22637         and tem2 if tem1 is not a REG or MULT.
22639 2008-04-08  Jan Hubicka  <jh@suse.cz>
22641         * function.h (incomming_args): Break out of struct function.
22642         (function_subsections): Break out of struct function.
22643         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
22644         return_rtx and hard_reg_initial_vals from struct function.
22645         Kill inl_max_label_num.
22646         (current_function_pops_args, current_function_args_info,
22647         current_function_args_size, current_function_args_size,
22648         current_function_pretend_args_size,
22649         current_function_outgoing_args_size,
22650         current_function_internal_arg_pointer, current_function_return_rtx):
22651         Kill compatibility accestor macros.
22652         * builtins.c (expand_builtin_apply_args_1): Update.
22653         (expand_builtin_next_arg): Update.
22654         * df-scan.c (df_get_call_refs): Update.
22655         * dbxout.c (dbxout_function_end): Update.
22656         * dwarf2out.c (dwarf2out_switch_text_section): Update.
22657         (output_line_info): Update.
22658         (secname_for_decl): Update.
22659         (dwarf2out_var_location): Update.
22660         * function.c (free_after_compilation): Update.
22661         (assign_parm_find_stack_rtl): Update.
22662         (assign_parms): Update.
22663         (expand_dummy_function_end): Update.
22664         (expand_function_end): Update.
22665         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
22666         (expand_call): Update.
22667         (emit_library_call_value_1): Update.
22668         (store_one_arg): Update.
22669         * varasm.c (initialize_cold_section_name): Update.
22670         (unlikely_text_section): Update.
22671         (unlikely_text_section_p): Update.
22672         (assemble_start_function): Update.
22673         (assemble_end_function): Update.
22674         (default_section_type_flags): Update.
22675         (switch_to_section): Update.
22676         * integrate.c (set_decl_abstract_flags): Update.
22677         (get_hard_reg_initial_val): Update.
22678         (has_hard_reg_initial_val): Update.
22679         (allocate_initial_values): Update.
22680         * resource.c (init_resource_info): Update.
22681         * config/alpha/alpha.c (NUM_ARGS): Update.
22682         (direct_return): Update.
22683         (alpha_va_start): Update.
22684         (alpha_sa_size): Update.
22685         (alpha_initial_elimination_offset): Update.
22686         (alpha_expand_prologue): Update.
22687         (alpha_start_function): Update.
22688         (alpha_expand_epilogue): Update.
22689         (unicosmk_initial_elimination_offset):
22690         * config/alpha/alpha.md (call expander): Update.
22691         * config/s390/s390.c (s390_register_info): Update.
22692         (s390_register_info): Update.
22693         (s390_frame_info): Update.
22694         (s390_initial_elimination_offset): Update.
22695         (s390_build_builtin_va_list): Update.
22696         (s390_va_start): Update.
22697         * config/spu/spu.c (direct_return): Update.
22698         (spu_expand_prologue): Update.
22699         (spu_initial_elimination_offset): Update.
22700         (spu_build_builtin_va_list): Update.
22701         (spu_va_start): Update.
22702         * config/sparc/sparc.c (sparc_init_modes): Update.
22703         (sparc_compute_frame_size): Update.
22704         (function_value): Update.
22705         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
22706         * config/i386/i386.md (return expander): Update.
22707         * config/i386/i386.c (ix86_va_start): Update.
22708         (ix86_can_use_return_insn_p): Update.
22709         (ix86_compute_frame_layout): Update.
22710         (ix86_expand_epilogue): Update.
22711         * config/sh/sh.c (output_stack_adjust): Update.
22712         (calc_live_regs): Update.
22713         (sh_expand_prologue): Update.
22714         (sh_builtin_saveregs): Update.
22715         (sh_va_start): Update.
22716         (initial_elimination_offset): Update.
22717         (sh_allocate_initial_value): Update.
22718         (sh_function_ok_for_sibcall): Update.
22719         (sh_get_pr_initial_val): Update.
22720         * config/sh/sh.md (return expander): Update.
22721         * config/avr/avr.c (frame_pointer_required_p): UPdate.
22722         * config/crx/crx.c (crx_compute_frame): UPdate.
22723         (crx_initial_elimination_offset): UPdate.
22724         * config/xtensa/xtensa.c (compute_frame_size): Update
22725         (xtensa_builtin_saveregs): Update.
22726         (xtensa_va_start): Update.
22727         (order_regs_for_local_alloc): Update.
22728         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
22729         (xstormy16_expand_builtin_va_start): Update.
22730         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
22731         * config/m68hc11/m68hc11.md (return expanders): Update.
22732         * config/m68hc11/m68hc11.c (expand_prologue): Update.
22733         (expand_epilogue): Update.
22734         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
22735         (cris_simple_epilogue): Update.
22736         (cris_expand_prologue): Update.
22737         (cris_expand_epilogue): Update.
22738         * config/iq2000/iq2000.c (iq2000_va_start): Update.
22739         (compute_frame_size): Update.
22740         * config/mt/mt.c (mt_compute_frame_size): Update.
22741         * config/mn10300/mn10300.c (expand_prologue): Update.
22742         (expand_epilogue): Update.
22743         (initial_offset): Update.
22744         (mn10300_builtin_saveregs):
22745         * config/mn10300/mn10300.md (return expander): Update.
22746         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
22747         (ia64_initial_elimination_offset): Update.
22748         (ia64_initial_elimination_offset): Update.
22749         (ia64_expand_prologue): Update.
22750         * config/m68k/m68k.md (return expander): Update.
22751         * config/rs6000/rs6000.c (rs6000_va_start): Update.
22752         (rs6000_stack_info): Update.
22753         * config/mcore/mcore.c (layout_mcore_frame): Update.
22754         (mcore_expand_prolog): Update.
22755         * config/arc/arc.c (arc_compute_frame_size): Update.
22756         * config/score/score3.c (score3_compute_frame_size): Update.
22757         * config/score/score7.c (score7_compute_frame_size): Update.
22758         * config/arm/arm.c (use_return_insn): Update.
22759         (thumb_find_work_register): Update.
22760         (arm_compute_save_reg_mask): Update.
22761         (arm_output_function_prologue): Update.
22762         (arm_output_epilogue): Update.
22763         (arm_size_return_regs): Update.
22764         (arm_get_frame_offsets): Update.
22765         (arm_expand_prologue): Update.
22766         (thumb_exit): Update.
22767         (thumb_unexpanded_epilogue): Update.
22768         (thumb1_output_function_prologue): Update.
22769         * config/pa/pa.md (return expander): Update.
22770         * config/pa/pa.c (compute_frame_size): Update.
22771         (hppa_builtin_saveregs): Update.
22772         * config/mips/mips.c (mips_va_start): Update.
22773         (mips16_build_function_stub): Update.
22774         (mips_compute_frame_info): Update.
22775         (mips_restore_gp): Update.
22776         (mips_output_function_prologue): Update.
22777         (mips_expand_prologue): Update.
22778         * config/v850/v850.c (compute_frame_size): Update.
22779         (expand_prologue): * config/mmix/mmix.c (along): update.
22780         (mmix_initial_elimination_offset): update.
22781         (mmix_reorg): update.
22782         (mmix_use_simple_return): update.
22783         (mmix_expand_prologue): update.
22784         (mmix_expand_epilogue): Update.
22785         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
22786         (emit_link_insn): Update.
22788 2008-04-08  Anatoly Sokolov  <aesok@post.ru>
22790         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
22791         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
22792         instructions.
22793         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
22794         atmega103 device.
22796 2008-04-07  Jan Hubicka  <jh@suse.cz>
22798         * function.h (rtl): Rename to x_rtl.
22799         (crtl): New define.
22800         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
22801         frame_offset, stack_check_probe_note, arg_pointer_save_area,
22802         used_temp_slots avail_temp_slots, temp_slot_level,
22803         nonlocal_goto_handler_labels): Update accesstors.
22804         (rtl): New global variable.
22805         (struct function): Move some fileds to rtl_data.
22806         (get_arg_pointer_save_area): Update prototype.
22807         * builtins.c (expand_builtin_setjmp_receiver): Update call of
22808         get_arg_pointer_save_area.
22809         * expr.c (init_expr): Update
22810         * function.c (get_frame_size): Update
22811         (assign_stack_local): Update
22812         (expand_function_end): Update.
22813         (get_art_pointer_save_area): Update
22814         * function.h
22815         * emit-rtl.c (rtl): Declare.
22816         (regno_reg_rtx): Declare.
22817         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
22818         Update.
22819         (gen_reg_rtx): Update.
22820         * varasm.c (n_deferred_constatns): Update accestor.
22821         (init_varasm_status): Do not allocate varasm_status.
22822         (force_const_mem, get_pool_size, output_constant_pool): Update.
22823         * stmt.c (force_label_rtx): Do not use x_ prefixes.
22824         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
22825         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
22826         * sparc/sparc.h (INIT_EXPANDERS): Update.
22827         * ia64/ia64.h (INIT_EXPANDERS): Update.
22829 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
22831         * reload.c (push_secondary_reload): Add missing break to for loop.
22833 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
22835         PR middle-end/PR28690
22836         * rtlanal.c: Update copyright years.
22837         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
22838         as REG_POINTER and MEM_POINTER operands.
22839         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
22840         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
22841         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
22842         * gcse.c: Update copyright years.
22843         (pre_delete): Call gen_reg_rtx_and_attrs.
22844         (hoist_code): Likewise.
22845         (build_store_vectors): Likewise.
22846         (delete_store): Likewise.
22847         * loop-invariant.c (move_invariant_reg): Likewise.
22848         Update copyright years.
22850 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
22852         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
22853         control string instead of quoted.
22855 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
22857         * doc/rtl.texi: Rewrite of subreg section.
22859 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
22861         PR/35842
22862         * config/i386/i386.c (legitimize_pic_address): Add treating
22863         of dllimport SYM_REF's.
22864         (legitimize_dllimport_symbol): Add prototype.
22866 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
22868         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
22869         reference in constructor with non self-referential type.
22871 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
22873         Removal of Return with Depressed Stack Pointer support
22874         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
22875         (ECF_SP_DEPRESSED): Likewise.
22876         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
22877         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
22878         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
22879         (expand_call): Do not test ECF_SP_DEPRESSED.
22880         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
22881         * function.c (keep_stack_depressed): Delete.
22882         (handle_epilogue_set): Likewise.
22883         (update_epilogue_consts): Likewise.
22884         (emit_equiv_load): Likewise.
22885         (thread_prologue_and_epilogue_insns): Remove support for Return with
22886         Depressed Stack Pointer.
22887         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
22889 2008-04-06  Richard Guenther  <rguenther@suse.de>
22891         PR tree-optimization/35400
22892         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
22893         information from SSA_NAMEs.
22895 2008-04-06  Anatoly Sokolov  <aesok@post.ru>
22897         * config/avr/avr.h (avr_mega_p): Remove declaration.
22898         (AVR_MEGA): Remove macro.
22899         * config/avr/avr.c (avr_mega_p): Remove variable.
22900         (avr_override_options): Remove inicializion of avr_mega_p.
22901         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
22902         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
22903         (avr_jump_mode): (Ditto.).
22904         (avr_output_progmem_section_asm_op): (Ditto.).
22905         (avr_asm_init_sections): (Ditto.).
22906         (avr_asm_init_sections): (Ditto.).
22907         (avr_rtx_costs): (Ditto.).
22908         * config/avr/avr.md: (Ditto.).
22909         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
22910         '__AVR_MEGA__'.
22912 2008-04-06  Richard Guenther  <rguenther@suse.de>
22914         PR tree-optimization/35842
22915         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
22916         is_gimple_invariant_address.
22918 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
22920         * gcc.c (default_compilers): Sync Fortran extensions list with
22921         that in fortran/lang-specs.h.
22922         * doc/invoke.texi: Likewise.
22923         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
22924         * dwarf2out.c (gen_compile_unit_die): Likewise.
22926 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
22928         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
22930 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
22932         PR target/12329
22933         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
22934         attribute is used for nested functions.
22936 2008-04-05  Jan Hubicka  <jh@suse.cz>
22938         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
22940         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
22941         letter argument.
22942         (dump_files): Update.
22943         (enable_rtl_dump_file): Do not accept letter argument.
22944         * tree-pass.h (dump_file_info): Remove letter argument.
22945         * toplev.c (decode_d_option): Update -da handling.
22946         * toplev.h (enable_rtl_dump_file): Update prototype.
22947         * passes.c (register_one_dump_file): Do not accept IPA argument; work
22948         it out based on pass type.
22949         (register_dump_files_1): Likewise.
22950         (init_optimization_passes): Update register_one_dump_file calls.
22951         (execute_one_pass): Sanity check that IPA passes are called at IPA
22952         level and RTL passes at RTL level.
22953         (execute_pass_list): IPA pass can not be after or subpass of
22954         GIMPLE/RTL pass.
22955         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
22956         disallov RTL subpasses of IPA subpasses.
22958 2008-04-05  Ben Elliston  <bje@au.ibm.com>
22960         * tree-cfg.c (need_fake_edge_p): Return false for calls to
22961         builtins that return exactly once and do not throw. Cache call to
22962         call_expr_flags.
22964 2008-04-04  Andy Hutchinson  <hutchinsonandy@aim.com>
22966         PR rtl-optimization/34916
22967         PR middle-end/35519
22968         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
22969         between instruction pairs.
22971 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
22973         * doc/invoke.texi: Document -mbitops for SH.
22974         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
22975         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
22976         * config/sh/sh.c (print_operand): Add %t operand code.
22977         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
22978         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
22979         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
22980         (extendqihi2): Likewise.
22981         (movqi_i): Likewise.
22982         (insv): Use bset, bclr and bst instructions for SH2A if possible.
22983         (extv): Use bld instruction for SH2A if possible.
22984         (extzv): Likewise.
22985         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
22986         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
22987         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
22988         (bset.b, bclr.b): Define peepholes.
22989         * config/sh/sh.opt (mbitops): New option.
22991 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
22993         PR target/35620
22994         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
22995         and view convert expression.
22997 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
22999         PR target/35364
23000         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
23002 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
23004         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
23006         * config/i386/cpuid.h (bit_AES): New.
23007         (bit_PCLMUL): Likewise.
23009         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
23010         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
23011         SSE2 if AES or PCLMUL is enabled.
23012         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
23013         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
23014         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
23015         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
23016         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
23017         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
23018         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
23019         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
23020         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
23021         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
23022         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
23023         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
23024         __builtin_ia32_aeskeygenassist128 and
23025         __builtin_ia32_pclmulqdq128.
23026         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
23027         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
23028         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
23030         * config/i386/i386.h (TARGET_AES): New.
23031         (TARGET_PCLMUL): Likewise.
23032         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
23034         * config/i386/i386.md (UNSPEC_AESENC): New.
23035         (UNSPEC_AESENCLAST): Likewise.
23036         (UNSPEC_AESDEC): Likewise.
23037         (UNSPEC_AESDECLAST): Likewise.
23038         (UNSPEC_AESIMC): Likewise.
23039         (UNSPEC_AESKEYGENASSIST): Likewise.
23040         (UNSPEC_PCLMUL): Likewise.
23042         * config/i386/i386.opt (maes): New.
23043         (mpclmul): Likewise.
23045         * config/i386/sse.md (aesenc): New pattern.
23046         (aesenclast): Likewise.
23047         (aesdec): Likewise.
23048         (aesdeclast): Likewise.
23049         (aesimc): Likewise.
23050         (aeskeygenassist): Likewise.
23051         (pclmulqdq): Likewise.
23053         * config/i386/wmmintrin.h: New.
23055         * doc/extend.texi: Document AES and PCLMUL built-in function.
23057         * doc/invoke.texi: Document -maes and -mpclmul.
23059 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
23061         * function.c (free_after_parsing): Replace with
23062         cxx_push_function_context from C++ front-end.
23063         (allocate_struct_function): Don't call langhook.
23064         * langhooks.h (struct lang_hooks_for_functions): Delete.
23065         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
23066         member "function".
23067         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
23068         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
23069         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
23070         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
23071         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
23072         remove LANG_HOOKS_FUNCTION_INITIALIZER.
23073         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
23075         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
23076         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
23078 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
23080         PR c/35440
23081         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
23082         for all types.
23084 2008-04-04  Richard Guenther  <rguenther@suse.de>
23086         PR middle-end/35823
23087         * fold-const.c (optimize_minmax_comparison): Use the correct
23088         type for the constant in the simplified comparison.
23090 2008-04-04  Zuxy Meng  <zuxy.meng@gmail.com>
23092         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
23093         Pass L2 size as "--param l2-cache-size" to the compiler.
23094         (decode_l2_cache): New function to decode L2 cache parameters using
23095         0x8000006 extended cpuid function.
23096         (detect_caches_amd): Determine parameters of L2 cache using
23097         decode_l2_caches function.
23098         (decode_caches_intel): Decode L2 cache parameters.
23099         (detect_caches_intel): Determine L2 cache parameters using
23100         decode_caches_intel and decode_l2_caches functions.
23102 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
23104         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
23105         secondary input reload for subword loads from the constant pool.
23107 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
23109         PR target/35713
23110         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
23111           constants of the appropriate size for runtime calculations.
23113         PR c/35712
23114         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
23115           decimal-float literal constant zero.
23117 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
23119         PR c/35738
23120         * c-parser.c (c_parser_omp_atomic): Call
23121         default_function_array_conversion on the RHS.
23123         PR middle-end/35818
23124         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
23125         call is_variable_sized if decl has incomplete type.
23127 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
23129         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
23131 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
23133         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
23134         iterators.
23135         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
23136         (sgt<u>): Merge sgt and sgtu into new expander.
23137         (sgt, sgtu): Remove expanders.
23138         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
23139         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
23140         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
23141         *sgtu_<mode>_mips16 into new pattern.
23142         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
23143         (sge<u>): Merge sge and sgeu into new expander.
23144         (sge, sgeu): Remove expanders.
23145         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
23146         new pattern.
23147         (*sge_<mode>, second *sge_<mode>): Remove patterns.
23148         (slt<u>): Merge slt and sltu into new expander.
23149         (slt, sltu): Remove expanders.
23150         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
23151         (*slt_<mode>, *sltu_<mode>): Remove patterns.
23152         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
23153         *sltu_<mode>_mips16 into new pattern.
23154         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
23155         (sle<u>): Merge sle and sleu into new expander.
23156         (sle, sleu): Remove expanders.
23157         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
23158         (*sle_<mode>, *sleu_<mode>): Remove patterns.
23159         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
23160         *sleu_<mode>_mips16 into new pattern.
23161         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
23163 2008-04-03  Jan Hubicka  <jh@suse.cz>
23165         PR tree-optimization/35795
23166         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
23167         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
23168         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
23169         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
23170         * score/score3.c (score3_output_mi_thunk): Likewise.
23171         * score/score7.c (score7_output_mi_thunk): Likewise.
23172         * mips/mips.c (mips_output_mi_thunk): Likewise.
23174 2008-04-03  Richard Guenther  <rguenther@suse.de>
23176         * tree-vrp.c (extract_range_from_unary_expr): Handle all
23177         conversions.  Simplify code.
23179 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
23181         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
23183 2008-04-03  Tom Tromey  <tromey@redhat.com>
23184             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23186         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
23187         * config/bfin/t-bfin-linux (generated_files): Add
23188         linux-sysroot-suffix.h.
23189         * doc/install.texi (Prerequisites): Require make 3.80.
23190         * doc/sourcebuild.texi (Front End Directory): Document new
23191         variable.
23192         * Makefile.in (generated_files): New variable.
23193         (ALL_HOST_OBJS): New variable.
23194         ($(ALL_HOST_OBJS)): New target.
23196 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
23198         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
23199         (remap_block): Call id->transform_lang_insert_block instead
23200         of langhook.
23201         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
23202         Set id.transform_lang_insert_block to NULL.
23203         (clone_body): Move to cp/optimize.c
23204         * tree-inline.h (struct copy_body_data): Change
23205         transform_lang_insert_block to function pointer.
23206         (copy_generic_body, copy_decl_no_change): Export.
23207         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
23208         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
23209         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
23211         * c-tree.h (insert_block): Kill.
23212         * c-decl.c (insert_block): Kill.
23214 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
23216         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
23217         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
23218         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
23219         argument.
23220         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
23221         argument, call {push,pop}_function_context from here.
23222         * c-parser.c: Use c_{push,pop}_function_context.
23224         * function.c (push_function_context_to): Move meat ...
23225         (push_function_context): ... here.  Simplify.
23226         * function.c (pop_function_context_from): Move meat ...
23227         (pop_function_context): ... here.  Simplify.
23228         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
23229         leave_nested).
23230         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
23231         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
23232         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
23233         * tree.h (push_function_context_to, pop_function_context_from): Remove.
23235 2008-04-03  Ben Elliston  <bje@au.ibm.com>
23237         * expmed.c (extract_force_align_mem_bit_field): Remove.
23239 2008-04-03  Richard Guenther  <rguenther@suse.de>
23241         PR middle-end/35800
23242         * expr.h (try_casesi): Adjust prototype.
23243         * expr.c (try_casesi): Take fallback label as extra parameter.
23244         Use that for gen_casesi if default_label is NULL.
23245         * stmt.c (expand_case): Pass fallback label to try_casesi,
23246         make sure to fill gaps with a fallback label if default_label
23247         is not present.
23249 2008-04-03  Dominique d'Humières  <dominiq@lps.ens.fr>
23251         PR target/35801
23252         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
23254 2008-04-03  Ben Elliston  <bje@au.ibm.com>
23256         * expmed.c (extract_split_bit_field): Remove if (0) code.
23257         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
23258         (do_ds_constraint): Likewise.
23260 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
23262         * doc/cppopts.texi (-dU): Document.
23263         * c-common.h (flag_dump_macros): Update comment.
23264         * c-opts.c (handle_OPT_d): Handle -dU.
23265         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
23266         dump_queued_macros, cb_used_define, cb_used_undef): New.
23267         (init_pp_output): Handle -dU.
23268         (cb_line_change): Call dump_queued_macros.
23269         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
23271 2008-04-02  Anatoly Sokolov  <aesok@post.ru>
23273         * config/avr/predicates.md (io_address_operand): New predicate.
23274         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
23275         * config/avr/avr.c (avr_io_address_p): Remove function.
23276         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
23277         'avr_io_address_p' function.
23278         (out_movhi_r_mr): (Ditto.).
23279         (out_movqi_mr_r): (Ditto.).
23280         (out_movhi_mr_r): (Ditto.).
23281         (avr_address_cost): (Ditto.).
23283 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
23285         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
23286         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
23287         in 32bit mode when XMM registers are available to avoid store
23288         forwarding stalls.
23289         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
23290         corresponding post-reload splitters.
23292 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
23294         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
23295         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
23296         __builtin_ia32_roundss.
23297         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
23298         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
23299         __builtin_ia32_roundss.
23300         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
23301         IX86_BUILTIN_SHUFPD here.
23303 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
23305         * config/i386/i386.md (plogic): New.
23306         (plogicprefix): Likewise.
23308         * config/i386/mmx.md (mmx_<code><mode>3): New.
23309         (mmx_and<mode>3): Removed.
23310         (mmx_ior<mode>3): Likewise.
23311         (mmx_xor<mode>3): Likewise.
23313         * config/i386/sse.md (<code><mode>3): New.
23314         (*<code><mode>3): Likewise.
23315         (*<code><mode>3): Likewise.
23316         (<code><mode>3): Likewise.
23317         (*sse_<code><mode>3): Likewise.
23318         (*sse2_<code><mode>3): Likewise.
23319         (<code>tf3): Likewise.
23320         (*<code>tf3): Likewise.
23321         (and<mode>3): Likewise.
23322         (*and<mode>3): Likewise.
23323         (ior<mode>3): Removed.
23324         (*ior<mode>3): Likewise.
23325         (xor<mode>3): Likewise.
23326         (*xor<mode>3): Likewise.
23327         (*and<mode>3): Likewise.
23328         (*ior<mode>3): Likewise.
23329         (*xor<mode>3): Likewise.
23330         (and<mode>3): Likewise.
23331         (*sse_and<mode>3): Likewise.
23332         (*sse2_and<mode>3): Likewise.
23333         (andtf3): Likewise.
23334         (*andtf3): Likewise.
23335         (ior<mode>3): Likewise.
23336         (*sse_ior<mode>3): Likewise.
23337         (*sse2_ior<mode>3): Likewise.
23338         (iortf3): Likewise.
23339         (*iortf3): Likewise.
23340         (xor<mode>3): Likewise.
23341         (*sse_xor<mode>3): Likewise.
23342         (*sse2_xor<mode>3): Likewise.
23343         (xortf3): Likewise.
23344         (*xortf3): Likewise.
23346 2008-04-02  Richard Guenther  <rguenther@suse.de>
23348         PR tree-optimization/14495
23349         PR tree-optimization/34793
23350         * tree-vrp.c (struct switch_update): New structure.
23351         (to_remove_edges, to_update_switch_stmts): New VECs.
23352         (simplify_switch_using_ranges): New function.  Remove not taken
23353         case labels and edges.
23354         (simplify_stmt_using_ranges): Call it.
23355         (identify_jump_threads): Mark edges we have queued for removal
23356         so we don't thread them.
23357         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
23358         case label vector.
23359         * tree-cfg.c (group_case_labels): Deal with missing default label.
23360         (tree_verify_flow_info): Allow missing default label.
23361         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
23362         (emit_case_nodes): Likewise.
23363         (expand_case): Do not rely on the default label to be present.
23364         * expr.c (try_casesi): Deal with NULL default_label.
23365         (do_tablejump): Likewise.
23367 2008-04-02  Richard Guenther  <rguenther@suse.de>
23369         PR tree-optimization/14495
23370         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
23371         SWITCH_EXPR here ...
23372         (vrp_visit_switch_stmt): ... but here (new function).
23373         (find_case_label_index): New helper function.
23374         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
23376 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
23378         * fwprop.c: Fix ISO-C99ism.
23380 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
23382         PR bootstrap/35752
23383         * Makefile.in (objdir): Set it here.
23384         * configure.ac: Not here.  Find dynamic linker characteristics.
23385         * exec-tool.in: Use them.
23386         * aclocal.m4: Regenerate.
23387         * configure: Regenerate.
23389 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
23391         * expr.c (expand_var): Delete it.
23392         * expr.h (expand_var): Delete prototype.
23393         * function.c (expand_function_start): Use expand_decl instead.
23394         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
23395         langhook.
23397 2008-04-02  Andy Hutchinson  <hutchinsonamdy@aim.com>
23399         PR rtl-optimization/35542
23400         * fwprop.c (forward_propagate_and_simplify): Replace
23401         loc_reg_mentioned_in_p with reg_mentioned_p.
23403 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
23405         PR rtl-optimization/35281
23406         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
23407         (propagate_rtx_1): Handle PR_HANDLE_MEM.
23408         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
23409         (varying_mem_p): Move above propagate_rtx.
23410         (all_uses_available_at): Do not check MEMs.
23412 2008-04-02  Rafael Espíndola  <espindola@google.com>
23414         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
23415         (register_edge_assert_for_2): Split the cond argument.
23416         (register_edge_assert_for_1): Adjust for the change in
23417         register_edge_assert_for_2.
23418         (register_edge_assert_for): Split the cond argument.
23419         (find_switch_asserts): Adjust for the change in
23420         register_edge_assert_for.
23422 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
23424         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
23425         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
23426         offsets for 64-bit mingw.
23427         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
23428         abi for x86_64-pc-mingw.
23430 2008-04-02  Richard Guenther  <rguenther@suse.de>
23432         * tree-vrp.c (extract_range_from_assert): Make sure to not
23433         produce range min/max with TREE_OVERFOW set.
23434         If merging a anti-range and a range keep the anti-range if
23435         the range covers all values of the type.
23436         (register_edge_assert_for_2): Only allow sign-changing
23437         conversions in detecting canonical range checks.  Also
23438         register an assert for the unsigned name if useful.
23440         PR tree-optimization/35787
23441         * tree-vrp.c (vrp_val_max): New function.
23442         (vrp_val_min): Likewise.
23443         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
23444         (vrp_val_is_min): Likewise.
23445         (supports_overflow_infinity): Use vrp_val_{min,max}.
23446         (negative_overflow_infinity): Likewise.
23447         (positive_overflow_infinity): Likewise.
23448         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
23449         (is_positive_overflow_infinity): Likewise.
23450         (is_overflow_infinity): Likewise.
23451         (avoid_overflow_infinity): Use vrp_val_{min,max} and
23452         vrp_val_is_{min,max}.
23453         (set_and_canonicalize_value_range): Canonicalize anti-ranges
23454         to ranges if possible.  Avoid empty ranges.
23456 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23458         PR middle-end/35705
23459         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
23460         the expression is a function address.
23462 2008-04-01  George Helffrich  <george@gcc.gnu.org>
23464         PR fortran/35154, fortran/23057
23465         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
23466         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
23467         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
23468         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
23469         in common.
23470         (dbxout_syms): Check for COMMON-based symbol and wrap in
23471         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
23472         in bracket for efficiency.
23474         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
23475         using DW_TAG_common_block + member offset.
23476         (add_pubname_string): New function.
23477         (dw_expand_expr): New function to find block name and offset for
23478         COMMON var.
23479         (common_check): New function to check whether symbol in Fortran COMMON.
23480         (gen_variable_die): If COMMON, use DW_TAG_common_block.
23482 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
23484         PR c/35436
23485         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
23487 2008-04-02  Ben Elliston  <bje@au.ibm.com>
23489         * config/v850/v850.md (casesi): Remove if (0) code.
23490         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23491         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
23493 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
23495         * config/i386/i386.md (rex64suffix): New mode attribute.
23496         (floathi<mode>2): Disable expander for SSE math.
23497         (*floathi<mode>2_1): New insn insn_and_split pattern.
23498         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
23499         corresponding post-reload splitters.
23500         (*floathi<mode>2_i387): New macroized insn pattern.
23501         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
23502         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
23503         insn_and_split pattern.
23504         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
23505         New macroized instruction patterns and corresponding post-reload
23506         splitters.
23507         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
23508         and corresponding post-reload splitters.
23509         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
23510         New macroized instruction patterns.
23511         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
23512         macroized instruction patterns and corresponding post-reload splitters.
23513         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
23514         corresponding post-reload splitters.
23515         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
23516         New macroized instruction patterns.
23517         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
23518         corresponding post-reload splitters.
23519         (*floatsi<mode>2_i387): New macroized instruction patterns.
23521 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
23523         * config/i386/i386.md (smaxmin): New.
23524         (umaxmin): Likewise.
23525         (maxminiprefix): Likewise.
23526         (maxminfprefix): Likewise.
23527         (<code><mode>3): Likewise.
23528         (smin<mode>3): Removed.
23529         (smax<mode>3): Likewise.
23531         * config/i386/mmx.md (mmx_<code>v2sf3): New.
23532         (mmx_<code>v4hi3): Likewise.
23533         (mmx_<code>v8qi3): Likewise.
23534         (mmx_smaxv2sf3): Removed.
23535         (mmx_sminv2sf3): Likewise.
23536         (mmx_umaxv8qi3): Likewise.
23537         (mmx_smaxv4hi3): Likewise.
23538         (mmx_uminv8qi3): Likewise.
23539         (mmx_sminv4hi3): Likewise.
23541         * config/i386/sse.md (<addsub><mode>3): New.
23542         (*<addsub><mode>3): Likewise.
23543         (<sse>_vm<addsub><mode>3): Likewise.
23544         (<maxmin><mode>3): Likewise.
23545         (*<maxmin><mode>3_finite): Likewise.
23546         (*<maxmin><mode>3): Likewise.
23547         (<sse>_vm<maxmin><mode>3): Likewise.
23548         (sse3_h<addsub>v4sf3): Likewise.
23549         (sse3_h<addsub>v2df3): Likewise.
23550         (<maxmin>v16qi3): Likewise.
23551         (*<maxmin>v16qi3): Likewise.
23552         (<maxmin>v8hi3): Likewise.
23553         (*<maxmin>v8hi3): Likewise.
23554         (*sse4_1_<maxmin><mode>3): Likewise.
23555         (*sse4_1_<maxmin><mode>3): Likewise.
23556         (add<mode>3): Removed.
23557         (*add<mode>3): Likewise.
23558         (<sse>_vmadd<mode>3): Likewise.
23559         (sub<mode>3): Likewise.
23560         (*sub<mode>3): Likewise.
23561         (<sse>_vmsub<mode>3): Likewise.
23562         (smin<mode>3): Likewise.
23563         (*smin<mode>3_finite): Likewise.
23564         (*smin<mode>3): Likewise.
23565         (<sse>_vmsmin<mode>3): Likewise.
23566         (smax<mode>3): Likewise.
23567         (*smax<mode>3_finite): Likewise.
23568         (*smax<mode>3): Likewise.
23569         (<sse>_vmsmax<mode>3): Likewise.
23570         (sse3_haddv4sf3): Likewise.
23571         (sse3_haddv2df3): Likewise.
23572         (sse3_hsubv4sf3): Likewise.
23573         (sse3_hsubv2df3): Likewise.
23574         (umaxv16qi3): Likewise.
23575         (*umaxv16qi3): Likewise.
23576         (smaxv8hi3): Likewise.
23577         (*smaxv8hi3): Likewise.
23578         (*sse4_1_smax<mode>3): Likewise.
23579         (*sse4_1_umax<mode>3): Likewise.
23580         (uminv16qi3): Likewise.
23581         (*uminv16qi3): Likewise.
23582         (sminv8hi3): Likewise.
23583         (*sminv8hi3): Likewise.
23584         (*sse4_1_smin<mode>3): Likewise.
23585         (*sse4_1_umin<mode>3): Likewise.
23587 2008-04-01  Rafael Espíndola  <espindola@google.com>
23589         * tree-cfg.c (verify_expr): remove in_phi.
23590         (verify_stmt): Don't call walk_tree with verify_expr. Use
23591         is_gimple_min_invariant instead of is_gimple_val.
23593 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
23595         * doc/include/gpl_v3.texi: Update for manpage generation.
23596         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
23597         gpl.texi.
23598         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
23599         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
23600         gpl_v3.texi instead of gpl.texi.
23601         (gpl.pod): New.
23603 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
23605         PR pch/13675
23606         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
23608 2008-04-01  Rafael Espíndola  <espindola@google.com>
23610         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
23611         (extract_code_and_val_from_cond): Use
23612         extract_code_and_val_from_cond_with_ops.
23614 2008-04-01  Jan Hubicka  <jh@suse.cz>
23616         * function.c (free_after_compilation): Free epilogue_delay_list.
23617         (prepare_function_start): Assert that previous compilation was freed.
23619 2008-04-01  Jan Hubicka  <jh@suse.cz>
23620             Jim Wilson  <wilson@tuliptree.org>
23621             Andreas Tobler  <andreast@gcc.gnu.org>
23623         PR middle-end/35781
23624         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
23625         rtl.emit instead cfun->emit.
23626         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
23627         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
23629 2008-04-01  Ben Elliston  <bje@au.ibm.com>
23631         * doc/c-tree.texi (Function Basics): Fix grammatical error.
23633 2008-03-31  Seongbae Park  <seongbae.park@gmail.com>
23635         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
23636         New options
23637         (fprofile-use): Add var flag_profile_use
23638         * coverage.c (coverage_begin_output): Do not open a gcno file for
23639         output only if -ftest-coverage is set.
23640         Do not add getpwd() to gcda file path.
23641         (build_gcov_info): Check the new flag
23642         flag_profile_datafile_relative_path.
23643         (coverage_init): Use profile_data_prefix.
23644         Read profile counter only if flag_profile_use is set.
23645         * opts.c (common_handle_option): New option fprofile-use=,
23646         fprofile-dir=, fprofile-generate=.
23647         * toplev.c (profile_data_prefix): New variable definition.
23648         * toplev.h (profile_data_prefix): New declaration.
23649         * doc/invoke.tex (Option Summary, Optimization Options):
23650         Add new options.
23652 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
23654         * varasm.c (output_constant_pool_1): In LABEL_REF check,
23655         use tmp consistently.
23657         PR target/35695
23658         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
23659         * config/ia64/ia64.c (rtx_needs_barrier): Handle
23660         UNSPEC_FR_RECIP_APPROX_RES.
23661         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
23663 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
23665         PR c/35750
23666         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
23668 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23670         PR middle-end/30186
23671         * fold-const.c (fold_indirect_ref_1): Support accessing non first
23672         element of the vector via a pointer.
23674 2008-03-31  Ian Lance Taylor  <iant@google.com>
23676         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
23678 2008-03-31  Jan Hubicka  <jh@suse.cz>
23680         * builtins.c (expand_builtin_setjmp_receiver): Update call of
23681         get_arg_pointer_save_area.
23682         * expr.c (init_expr): Just clear out rtl.expr.
23683         * function.c (free_after_compilation): Clear out whole RTL structure.
23684         (get_func_frame_size): Merge into ...
23685         (get_frame_size): ... this one.
23686         (assign_stack_local_1): Merge into ...
23687         (assign_stack_local): ... this one.
23688         (expand_function_end): Update call of get_arg_pointer_save_area.
23689         (get_art_pointer_save_area): Remove cfun argument.
23690         * function.h (emit_status): regno_pointer_align does not need length
23691         attribute. Move x_regno_reg_rtx to ...
23692         (regno_reg_rtx): ... new global array.
23693         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
23694         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
23695         apply_args_value, forced_labels, stack_pointer_delta):
23696         Update accestors.
23697         (struct varasm_status): Move here from varasm.c
23698         (struct rtl_data): New. Move here some fields from struct function.
23699         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
23700         frame_offset, stack_check_probe_note, arg_pointer_save_area,
23701         used_temp_slots avail_temp_slots, temp_slot_level,
23702         nonlocal_goto_handler_labels): Update accesstors.
23703         (rtl): New global variable.
23704         (struct function): Move some fileds to rtl_data.
23705         (get_arg_pointer_save_area): Update prototype.
23706         * emit-rtl.c (rtl): Declare.
23707         (regno_reg_rtx): Declare.
23708         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
23709         Update.
23710         (gen_reg_rtx): Update.
23711         (init_virtual_regs): Do not tate emit_status argument.
23712         (init_emit): Do not allocate emit.
23713         * varasm.c (varasm_statuc): Move to function.h.
23714         (n_deferred_constatns): Update accestor.
23715         (init_varasm_status): Do not allocate varasm_status.
23716         (force_const_mem, get_pool_size, output_constant_pool): Update.
23717         * stmt.c (force_label_rtx): Do not use x_ prefixes.
23718         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
23720 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
23722         PR rtl-optimization/35729
23723         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
23724         references.
23726 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
23728         PR target/32000
23729         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
23730         load/store if memory is unaligned.
23731         (*movti_rex64): Likewise.
23733         * config/i386/predicates.md (misaligned_operand): New.
23735 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
23737         PR tree-opt/35431
23738         * tree-ssa-phiopt.c (conditional_replacement): Return early for
23739         complex types.
23741 2008-03-31  Jan Beulich  <jbeulich@novell.com>
23743         * config/ia64/constraints.md: Add 'j' constraint.
23744         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
23745         (movdi_internal): Likewise.
23747 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
23749         PR c/35748
23750         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
23752 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
23754         PR target/35757
23755         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
23756         proper error message for the third argument on blendpd and
23757         blendps.
23759         * config/i386/sse.md (blendbits): New.
23760         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
23762 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
23764         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
23766 2008-03-30  Richard Guenther  <rguenther@suse.de>
23768         PR middle-end/31023
23769         * fold-const.c (fold_sign_changed_comparison): Do leave
23770         conversions to base-types alone.
23772 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23774         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
23775         the link register if one altivec register is be saved.
23777 2008-03-30  Ben Elliston  <bje@au.ibm.com>
23779         * final.c (final_scan_insn): Remove if (0) code.
23781 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
23783         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
23785 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
23787         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
23788         of V4SFmode to ix86_binary_operator_ok.
23790 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
23792         * config/i386/i386.c (override_options): Initialize
23793         ix86_veclib_handler to ix86_veclibabi_svml when
23794         -mveclibabi=svml is used.
23795         (ix86_veclibabi_svml): New function for SVML ABI style
23796         vectorization support.
23797         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
23799 2008-03-28  Rafael Espíndola  <espindola@google.com>
23801         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
23802         (tree_binary_nonnegative_warnv_p): Make it public.
23803         (tree_single_nonnegative_warnv_p): Make it public.
23804         (tree_invalid_nonnegative_warnv_p): Make it public.
23805         (tree_unary_nonzero_warnv_p): Make it public.
23806         (tree_binary_nonzero_warnv_p): Make it public
23807         (tree_single_nonzero_warnv_p): Make it public.
23808         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
23809         (extract_range_from_binary_expr): Split the expr argument.
23810         (extract_range_from_unary_expr): Split the expr argument.
23811         (extract_range_from_comparison): Split the expr argument.
23812         (extract_range_from_expr): Use the new aux functions.
23813         (vrp_evaluate_conditional_warnv): Use
23814         vrp_evaluate_conditional_warnv_with_ops.
23815         * tree.h (tree_unary_nonzero_warnv_p): Declare.
23816         (tree_binary_nonzero_warnv_p): Declare.
23817         (tree_single_nonzero_warnv_p): Declare.
23818         (tree_expr_nonzero_warnv_p): Declare.
23819         (tree_unary_nonnegative_warnv_p): Declare.
23820         (tree_binary_nonnegative_warnv_p): Declare.
23821         (tree_single_nonnegative_warnv_p): Declare.
23822         (tree_invalid_nonnegative_warnv_p): Declare.
23824 2008-03-28  Richard Guenther  <rguenther@suse.de>
23826         PR tree-optimization/30317
23827         PR tree-optimization/30911
23828         PR tree-optimization/34793
23829         * tree-vrp.c (set_and_canonicalize_value_range): New function.
23830         (struct assert_locus_d): New member EXPR.
23831         (register_new_assert_for): Add EXPR parameter to support
23832         ASSERT_EXPR <name, expr OP limit>.
23833         (register_edge_assert_for_1): Adjust callers.
23834         (find_assert_locations): Likewise.
23835         (process_assert_insertions_for): Build condition from expression.
23836         (extract_range_from_assert): Handle ASSERT_EXPRs
23837         of the form ASSERT_EXPR <name, expr OP limit>.
23838         (register_edge_assert_for_2): New helper registering
23839         asserts for comparisons.  Recognize range tests of the form
23840         (unsigned)i - CST1 OP CST2.
23841         (register_edge_assert_for_1): Use it.
23842         (register_edge_assert_for): Likewise.
23843         (needs_overflow_infinity): Integer sub-types
23844         do not need overflow infinities.
23845         (vrp_val_is_max): The extreme values of integer sub-types
23846         are those of the base type.
23847         (vrp_val_is_min): Likewise.
23848         * tree.def (ASSERT_EXPR): Document extra allowed conditional
23849         expressions.
23851 2008-03-28  Nick Clifton  <nickc@redhat.com>
23853         PR target/31110
23854         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
23855         Return GENERAL_REGS for stack adjustment reloads.
23857 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23859         PR target/31334
23860         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
23861         const_vector when all the vectors are constant.
23863 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
23865         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
23866         comparisons.
23867         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
23868         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
23869         (scc_sf): New.
23870         (s<code>_sf): Use new scc_sf attribute for opcode names.
23872 2008-03-27  Tom Tromey  <tromey@redhat.com>
23874         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
23875         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
23876         config/spu/t-spu-elf, config/i386/t-interix,
23877         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
23878         config/i386/x-darwin, config/i386/x-mingw32,
23879         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
23880         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
23881         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
23882         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
23883         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
23884         config/rs6000/x-darwin, config/rs6000/t-rs6000,
23885         config/score/t-score-elf, config/arm/t-strongarm-pe,
23886         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
23887         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
23888         Revert automatic dependency patch.
23890 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
23892         PR target/35657
23893         * config/i386/i386.c (ix86_function_arg_boundary): Align
23894         decimal floating point to its natural boundary.
23896 2008-03-27  Richard Guenther  <rguenther@suse.de>
23898         PR middle-end/35716
23899         * fold-const.c (fold_comparison): Restrict distinct decl
23900         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
23901         solely rely on operand_equal_p.
23903 2008-03-27  Richard Guenther  <rguenther@suse.de>
23905         PR c/32511
23906         * c-common.c (handle_weak_attribute): Reject combination of
23907         weak and inline.
23909 2008-03-27  Richard Guenther  <rguenther@suse.de>
23911         PR tree-optimization/32810
23912         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
23913         conversions from DECL_INITIAL.
23914         (fold_const_aggregate_ref): Likewise from constructor elements.
23916 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
23918         * tree-affine.h (aff_combination_expand): Declare.
23919         (get_inner_reference_aff): Likewise.
23920         * tree-affine.c (aff_combination_expand): Split out from
23921         tree_to_aff_combination_expand.
23922         (get_inner_reference_aff): New function.
23923         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
23924         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
23925         (struct lim_aux_data): sm_done field removed.
23926         (mem_ref_loc_p, mem_ref_locs_p): New types.
23927         (struct mem_ref): Added id, stored, accesses_in_loop,
23928         indep_loop, dep_loop, indep_ref, dep_ref fields.
23929         Removed is_stored, locs and next fields.
23930         (memory_accesses): New variable.
23931         (movement_possibility): Do not allow moving statements
23932         that store to memory.
23933         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
23934         New functions.
23935         (determine_max_movement): For statements with memory references,
23936         find the outermost loop in that the reference is independent.
23937         (move_computations_stmt): Mark the virtual operands for renaming.
23938         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
23939         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
23940         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
23941         add_vop_ref_mapping, create_vop_ref_mapping_loop,
23942         create_vop_ref_mapping, analyze_memory_references,
23943         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
23944         get_all_locs_in_loop, ref_always_accessed_p,
23945         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
23946         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
23947         store_motion_loop, store_motion): New functions.
23948         (struct vop_to_refs_elt): New type.
23949         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
23950         memref_hash, memref_eq, hoist_memory_references): Rewritten.
23951         (schedule_sm): Replaced by...
23952         (execute_sm): ... this.
23953         (determine_lsm_ref, hoist_memory_references,
23954         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
23955         find_more_ref_vops, free_mem_ref, free_mem_refs,
23956         determine_lsm_loop, determine_lsm): Removed.
23957         (tree_ssa_lim_finalize): Free data structures used by store motion.
23958         (tree_ssa_lim): Call analyze_memory_references.  Use
23959         store_motion instead of determine_lsm.
23961 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
23963         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
23964         rename tmake_file to m68hc11/t-m68hc11.
23965         (mcore): Set inhibit_libc to true.
23966         * config.host (alpha*-dec-*vms*): Set extra_programs.
23967         (interix3*): Don't use host_xmake_file.
23968         * configure.ac: Let config.gcc override inhibit_libc.
23969         * configure: Regenerate.
23971         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
23972         * config/t-openbsd-thread: Remove commented out lines.
23974         * config/x-interix: Remove.
23976         * config/m68hc11/t-m68hc11-gas: Rename to...
23977         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
23979         * config/mcore/t-mcore: Remove T_CFLAGS.
23980         * config/mcore/t-mcore-pe: Likewise.
23982 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
23984         * configure.ac: Replace custom __GNU_SOURCE test with
23985         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
23986         * aclocal.m4: Regenerate.
23987         * configure: Regenerate.
23988         * config.in: Regenerate.
23990 2008-03-27  Richard Guenther  <rguenther@suse.de>
23992         * fold-const.c (target.h): Include.
23993         (fold_comparison): Fold comparison of addresses of decls
23994         that bind locally or of constants.  Consolidate address folding code.
23995         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
23996         results from fold_binary_to_constant.
23997         (compare_values_warnv): Likewise.
23999 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
24001         PR middle-end/35429
24002         * fold-const.c (fold_truthop): Check for integeral types when folding
24003         a == 0 && b == 0 and a != 0 || b != 0 .
24005 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
24007         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
24009 2008-03-26  Andreas Schwab  <schwab@suse.de>
24011         * doc/invoke.texi: Fix use of @item vs. @itemx.
24013 2008-03-26  Tom Tromey  <tromey@redhat.com>
24015         * Makefile.in (build/gensupport.o, build/print-rtl.o,
24016         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
24017         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
24018         build/gencodes.o, build/genconditions.o, build/genconfig.o,
24019         build/genconstants.o, build/genemit.o, build/genextract.o,
24020         build/genflags.o, build/genmddeps.o, build/genopinit.o,
24021         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
24022         options.h.
24024 2008-03-26  Richard Guenther  <rguenther@suse.de>
24026         Revert
24027         2008-03-26  Richard Guenther  <rguenther@suse.de>
24029         * fold-const.c (target.h): Include.
24030         (fold_comparison): Fold comparison of addresses of two decls
24031         that bind locally.  Consolidate address folding code.
24033 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24035         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
24036         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
24037         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
24038         dconstsqrt2, dconstthird, dconste and/or dconst10.
24039         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
24040         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
24041         dconstsqrt2, dconste): Delete.
24042         (init_emit_once): Likewise.  Simplify initializing dconstm1.
24043         Constify variable.
24044         * real.c (get_real_const): New.
24045         * real.h (dconst3, dconst10, dconstm2, dconstthird,
24046         dconstsqrt2, dconste): Delete.
24047         (real_value_const, get_real_const): New.
24049 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
24051         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
24053         * config/i386/i386.c (ix86_function_arg_boundary): Check
24054         BIGGEST_ALIGNMENT instead of 128.
24055         (setup_incoming_varargs_64): Likewise.
24057 2008-03-26  Tom Tromey  <tromey@redhat.com>
24059         * Makefile.in (DEPFILES): Add missing '/'.
24061 2008-03-26  Richard Guenther  <rguenther@suse.de>
24063         * fold-const.c (target.h): Include.
24064         (fold_comparison): Fold comparison of addresses of two decls
24065         that bind locally.  Consolidate address folding code.
24067 2008-03-26  Nick Clifton  <nickc@redhat.com>
24069         PR target/31232
24070         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
24071         not allow INT+INT as a legitimate addressing mode.
24073 2008-03-26  Richard Guenther  <rguenther@suse.de>
24075         * tree-flow.h (widen_bitfield): Remove declaration.
24076         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
24077         (widen_bitfield): Remove function.
24078         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
24079         code.
24081 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
24083         PR target/31558
24084         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
24085         error_mark_node's.
24087 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
24089         PR rtl-optimization/35232
24090         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
24091         (forget_old_reloads_1, forget_marked_reloads): Don't clear
24092         reg_reloaded_call_part_clobbered here.
24093         (reload_regs_reach_end_p): New function.
24094         (reload_reg_rtx_for_input): New variable.
24095         (reload_reg_rtx_for_output): Likewise.
24096         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
24097         when reassigning a pseudo register.  Load reloadreg from
24098         reload_reg_rtx_for_input, moving the mode and register
24099         calculation to...
24100         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
24101         instead of the original when deciding whether an input reload
24102         would be a no-op or whether an output reload can be deleted.
24103         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
24104         when setting up new_spill_reg_store.  Load it from
24105         reload_reg_rtx_for_output, moving the mode and register
24106         calculation to...
24107         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
24108         instead of the original when deciding whether an output reload
24109         would be a no-op.  Do the same when modifying insn notes.
24110         Use rtx_equal_p instead of == to compare the registers.
24111         (inherit_piecemeal_p): Take a mode and two register numbers
24112         as argument.
24113         (emit_reload_insns): Clear new_spill_reg_store for every hard
24114         register in the reload register.  Remove spill registers
24115         from reg_reloaded_valid before considering whether to record
24116         inheritance information for them.  Use reload_reg_rtx_for_output
24117         instead of reg_rtx when recording output reloads.  Use
24118         reload_reg_rtx_for_input instead of reg_rtx when recording
24119         input reloads.  Set or clear reg_reloaded_call_part_clobbered
24120         at the same time as setting reg_reloaded_valid.
24121         (delete_output_reload): Add a new_reload_reg parameter and use it
24122         instead of rld[j].reg_rtx.
24123         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
24124         calls accordingly.
24126 2008-03-25  Tom Tromey  <tromey@redhat.com>
24128         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
24129         (build/genattr.o): Likewise.
24130         (build/genattrtab.o): Likewise.
24131         (build/gencodes.o): Likewise.
24132         (build/genconfig.o): Likewise.
24133         (build/genconstants.o): Likewise.
24134         (build/genemit.o): Likewise.
24135         (build/genextract.o): Likewise.
24136         (build/genflags.o): Likewise.
24138 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
24140         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
24141         instead of size_int for integer types.
24142         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
24143         to match type of MINUS_EXPR.
24145 2008-03-25  Tom Tromey  <tromey@redhat.com>
24147         * configure: Rebuilt.
24148         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
24149         Makefile.
24151 2008-03-25  Tom Tromey  <tromey@redhat.com>
24153         * config/x-solaris (host-solaris.o): Update.
24154         * config/x-linux (host-linux.o): Update.
24155         * config/x-hpux (host-hpux.o): Update.
24156         * config/x-darwin (host-darwin.o): Update.
24157         * config/v850/t-v850e (v850-c.o): Update.
24158         * config/v850/t-v850 (v850-c.o): Update.
24159         * config/t-vxworks (vxworks.o): Update.
24160         * config/t-sol2 (sol2-c.o, sol2.o): Update.
24161         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
24162         * config/spu/t-spu-elf (spu-c.o): Update.
24163         (spu.o): Remove.
24164         * config/sh/t-symbian (sh-c.o): Update.
24165         (symbian.o): Update.
24166         * config/sh/t-sh (sh-c.o): Update.
24167         * config/score/t-score-elf (score7.o, score3.o): Update.
24168         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
24169         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
24170         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
24171         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
24172         (rs6000.o): Remove.
24173         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
24174         * config/m32c/t-m32c (m32c-pragma.o): Update.
24175         * config/ia64/t-ia64 (ia64-c.o): Update.
24176         * config/i386/x-mingw32 (host-mingw32.o): Update.
24177         * config/i386/x-i386 (driver-i386.o): Update.
24178         * config/i386/x-darwin (host-i386-darwin.o): Update.
24179         * config/i386/x-cygwin (host-cygwin.o): Update.
24180         * config/i386/t-nwld (nwld.o): Update.
24181         * config/i386/t-netware (netware.o): Update.
24182         * config/i386/t-interix (winnt.o): Update.
24183         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
24184         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
24185         msformat-c.o): Update.
24186         * config/bfin/t-bfin-linux (generated_files): Add
24187         linux-sysroot-suffix.h.
24188         * config/arm/t-wince-pe (pe.o): Update.
24189         * config/arm/t-strongarm-pe (pe.o): Update.
24190         * config/arm/t-pe (pe.o): Update.
24191         * config/arm/t-arm (arm-c.o): Update.
24192         * doc/install.texi (Prerequisites): Require make 3.80.
24193         * Makefile.in: Remove .o targets.
24194         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
24195         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
24196         (simple_generated_h, simple_generated_c): Move earlier.
24197         (generated_files): New variable.
24198         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
24199         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
24200         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
24201         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
24202         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
24203         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
24204         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
24205         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
24206         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
24207         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
24208         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
24209         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
24210         (.c.o): Remove.
24211         (COMPILE.base, COMPILE): New variables.
24212         (%.o): New pattern rule.
24213         (ALL_HOST_OBJS): New variable.
24214         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
24215         (dummy-checksum.o, cc1-checksum.o): Remove.
24216         (DRIVER_SHLIB): New variable.
24217         (DRIVER_DEFINES): Use it.
24218         (gencondmd.c): Move out of build/.
24219         (s-conditions): Update.
24220         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
24221         (ALL_BUILD_OBJS): Likewise.
24222         (build/%.o): Use BUILDCOMPILE.
24223         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
24224         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
24225         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
24226         build/gencheck.o, build/gencodes.o, build/genconditions.o,
24227         build/genconfig.o, build/genconstants.o, build/genemit.o,
24228         build/genextract.o, build/genflags.o, build/genmddeps.o,
24229         build/genopinit.o, build/genoutput.o, build/genpeep.o,
24230         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
24231         build/gen-protos.o, build/scan.o, build/fix-header.o,
24232         build/scan-decls.o): Simplify.
24233         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
24234         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
24235         prefix.o, toplev.o): Reduce to variable setting.
24236         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
24237         ($(out_object_file), gcc-options.o): New targets.
24238         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
24239         * configure: Rebuilt.
24240         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
24241         * doc/sourcebuild.texi (Front End Directory): Document new variable.
24243 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
24245         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
24246         complain when we hit an error, return ERROR_MARK_NODE.
24248 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
24250         * config/sh/constraints.md (Pso, Psz): New constraints.
24251         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
24252         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
24254 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
24256         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
24257         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
24259 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
24261         * config/sh/sh.md (prefetch): Add condition for SH2A target.
24262         (prefetch_sh2a): New.
24264 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
24265             Naveen.H.S  <naveen.hs@kpitcummins.com>
24267         * config/sh/constraints.md (I28): New constraint.
24268         * config/sh/sh.c (broken_move): Add support for movi20s.
24269         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
24271 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
24272             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
24273             Naveen.H.S  <naveen.hs@kpitcummins.com>
24275         * config/sh/sh.c (SH_ATTRIBUTES): Define.
24276         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
24277         (print_operand): Handle resbank in %@ operand code.
24278         (sh_encode_section_info): New.
24279         (push_regs): Add conditions for resbank.
24280         (sh_expand_epilogue): Likewise.
24281         (sh_insert_attributes): Likewise.
24282         (sh_attribute_table): Likewise.
24283         (sh_handle_resbank_handler_attribute): New.
24284         (sh2a_handle_function_vector_handler_attribute): New.
24285         (sh2a_is_function_vector_call): New.
24286         (sh2a_get_function_vector_number): New.
24287         (sh2a_function_vector_p): New.
24288         (sh_cfun_resbank_handler_p): New.
24289         * config/sh/sh.md (calli): Emit jsr/n if possible.
24290         (calli_tbr_rel): New.
24291         (calli_pcrel): Emit jsr/n if possible.
24292         (return_i): Emit rts/n if possible.
24293         (call_valuei_tbr_rel): New.
24294         (call_valuei_pcrel): Add condition for SH2A target.
24295         (call_value): Likewise.
24296         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
24297         (sh2a_get_function_vector_number): Likewise.
24298         (sh2a_is_function_vector_call): Likewise.
24299         * doc/extend.texi: Document TBR relative addressing of SH2A.
24300         (resbank): Add description for SH2A.
24302 2008-03-24  Richard Guenther  <rguenther@suse.de>
24304         PR c/22371
24305         * gimplify.c (gimplify_modify_expr): For frontend type-correct
24306         pointer assignments change conversions according to middle-end rules.
24307         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
24308         * configure.ac: Include type checking in yes.
24309         * configure: Regenerate.
24311 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24313         * diagnostic.c (diagnostic_count_diagnostic): Delete.
24314         (diagnostic_report_diagnostic): Update. Handle ICEs here.
24316 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
24318         * gthr-vxworks.h (UNUSED): Define.
24320 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
24322         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
24324 2008-03-23  Zuxy Meng  <zuxy.meng@gmail.com>
24326         * doc/extend.texi (Function Attributes): Add missing comma in the
24327         example of the "alloc_size" attribute.
24329 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
24331         Revert:
24332         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
24334         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
24335         32bit host.
24337         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
24339         PR target/35496
24340         * stor-layout.c (update_alignment_for_field): Set minimum alignment
24341         of the underlying type of a MS bitfield layout to the natural
24342         alignment of the type.
24344         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
24346         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
24347         to their natural alignment to avoid store forwarding stalls.
24349 2008-03-22  Richard Guenther  <rguenther@suse.de>
24351         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
24352         For PHI nodes verify the address is invariant.
24353         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
24354         (get_symbol_constant_value): Use is_gimple_min_invariant.
24355         (maybe_fold_stmt_indirect): Likewise.
24357 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
24359         PR rtl-optimization/33927
24360         * Makefile.in (dse.o): Depend on $(TM_P_H).
24361         * expr.h (extract_low_bits): Declare.
24362         * expmed.c (extract_low_bits): New function.
24363         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
24364         * dse.c: Include tm_p.h.
24365         (find_shift_sequence): Remove the read_reg argument and return the
24366         read value.  Emit the instructions instead of returning them.
24367         Iterate on new_mode rather than calculating it each time.
24368         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
24369         source to NEW_MODE and extract_low_bits to convert the shifted
24370         value to READ_MODE.
24371         (replace_read): Allow the load and store to have different mode
24372         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
24373         or extraction instructions before trying the replacement.  Update
24374         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
24376 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
24378         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
24379         to their natural alignment to avoid store forwarding stalls.
24381 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
24383         PR target/27946
24384         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
24385         encouraging but not allowing gprs for input;
24386         change the input constraint to !f#r.
24387         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
24388         gprs for output;
24389         change the output constraint to !f#r.
24391 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
24393         PR target/13958
24394         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
24395         corresponding post-reload splitters.
24396         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
24397         when x87 FP math is selected.
24398         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
24399         New function prototype.
24400         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
24401         unreachable function to ease macroization of insn patterns.
24403 2008-03-21  Martin Jambor  <mjambor@suse.cz>
24405         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
24406         reference dumps if ddr is NULL or dependence is unknown.
24408 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
24410         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
24411         unsigned extension into account.
24412         (ATOMIC_COMPARE_AND_SWAP): Likewise.
24413         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
24414         Do computations on a scratch register.
24416 2008-03-21  Richard Guenther  <rguenther@suse.de>
24418         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
24419         Use is_gimple_min_invariant instead of TREE_INVARIANT.
24420         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
24421         * tree-ssa-dom.c (record_equality): Likewise.
24422         * tree-inline.c (copy_body_r): Likewise.
24423         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
24424         TREE_INVARIANT.
24426 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
24428         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
24429         as 'delete_unused' argument.
24431 2008-03-20  Richard Guenther  <rguenther@suse.de>
24433         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
24434         special casing of constant qualifiers.
24435         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
24436         care about them in general.
24437         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
24438         regardless of their type.
24439         (fold_stmt_r): Forcefully fold *& if we end up with that.
24441 2008-03-20  Paul Brook  <paul@codesourcery.com>
24443         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
24444         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
24445         linker flags.
24446         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
24447         definition.
24448         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
24449         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
24451 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
24453         * common.opt (Wmudflap): New option.
24454         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
24455         (mx_register_decls): Likewise.
24456         (mudflap_finish_file): Likewise.
24457         * doc/invoke.texi: Document -Wno-mudflap.
24459 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
24461         * c-format.c (replace_format_name_to_system_name): New.
24462         (cmp_attribs): New.
24463         (convert_format_name_to_system_name): New.
24464         (decode_format_attr): Add use of convert_format_name_to_system_name.
24465         (format_types_orig): Add gnu_ prefix to names.
24466         (check_format_info_main): Special treating of \0 escaped names for
24467         supporting multi-character format specifiers as I32, I64.
24468         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
24469         (gnu_target_overrides_format_attributes): New.
24470         * c-format.h: Add structure target_ovr_attr to hold
24471         system specific formatter names.
24472         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
24473         msformat-c.o file to c_target_objs and cxx_target_objs.
24474         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
24475         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
24476         (TARGET_N_FORMAT_TYPES): New.
24477         * config/i386/msformat-c.c: New.
24478         * config/i386/t-cygming: Add build rule for msformat-c.o.
24479         * doc/extend.texi: Add new format names gnu_* and ms_* and
24480         further details.
24481         * doc/tm.texi (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
24483 2008-03-20  Ira Rosen  <irar@il.ibm.com>
24485         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
24486         optimizations turned on under -O3.
24487         (ftree-vectorize): Add that the flag is turned on with -O3.
24489 2008-03-20  Ben Elliston  <bje@au.ibm.com>
24491         * regmove.c (try_auto_increment): Fix spelling error in comment.
24492         * final.c (final_scan_insn): Likewise.
24494 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
24496         PR target/14552
24497         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
24498         allocator preferences for "y" and "r" class registers.
24499         ("*mov<mode>_internal"): Ditto.
24500         ("*movv2sf_internal_rex64"): Ditto.
24501         ("*movv2sf_internal"): Ditto.
24503 2008-03-19  Michael Matz  <matz@suse.de>
24505         PR middle-end/35616
24506         * calls.c (expand_call): Check overlap of arguments with call
24507         address for sibcalls.
24509 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
24511         PR target/35496
24512         * stor-layout.c (update_alignment_for_field): Set minimum alignment
24513         of the underlying type of a MS bitfield layout to the natural
24514         alignment of the type.
24516 2008-03-19  Jan Hubicka  <jh@suse.cz>
24518         PR other/35094
24519         * toplev.c (decode_d_option): Handle all CPP flags.
24520         * tree-vrp.c: Update tree_pass descriptors.
24521         * regrename.c: Update tree_pass descriptors.
24522         * fwprop.c: Update tree_pass descriptors.
24523         * doc/invoke.texi: Remove documentation of dropped -d? flags.
24524         * tree-into-ssa.c: Update tree_pass descriptors.
24525         * tree-dump.c: Update tree_pass descriptors.
24526         * tree-complex.c: Update tree_pass descriptors.
24527         * tree-dump.h: Update tree_pass descriptors.
24528         * see.c: Update tree_pass descriptors.
24529         * cgraphbuild.c: Update tree_pass descriptors.
24530         * tracer.c: Update tree_pass descriptors.
24531         * tree-loop-distribution.c: Update tree_pass descriptors.
24532         * cgraph.c: Update tree_pass descriptors.
24533         * postreload-gcse.c: Update tree_pass descriptors.
24534         * postreload.c: Update tree_pass descriptors.
24535         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
24536         * tree-tailcall.c: Update tree_pass descriptors.
24537         * tree-pass.h (tree_opt_pass): Rename to ...
24538         (opt_pass) ... this one; add "type" field and remove letter field.
24539         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
24540         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
24541         all_lowering_passes): Update declaration.
24542         * ipa-cp.c: Update tree_pass descriptors.
24543         * final.c: Update tree_pass descriptors.
24544         * omp-low.c: Update tree_pass descriptors.
24545         * tree-ssa-dse.c: Update tree_pass descriptors.
24546         * ipa-reference.c: Update tree_pass descriptors.
24547         * tree-ssa-uncprop.c: Update tree_pass descriptors.
24548         * auto-inc-dec.c: Update tree_pass descriptors.
24549         * reorg.c: Update tree_pass descriptors.
24550         * cgraphunit.c: Update tree_pass descriptors.
24551         * tree-ssa-copyrename.c: Update tree_pass descriptors.
24552         * tree-ssa-ccp.c: Update tree_pass descriptors.
24553         * df-core.c: Update tree_pass descriptors.
24554         * mode-switching.c: Update tree_pass descriptors.
24555         * tree-nomudflap.c: Update tree_pass descriptors.
24556         * modulo-sched.c: Update tree_pass descriptors.
24557         * ipa-pure-const.c: Update tree_pass descriptors.
24558         * cse.c: Update tree_pass descriptors.
24559         * web.c: Update tree_pass descriptors.
24560         * tree-stdarg.c: Update tree_pass descriptors.
24561         * tree-ssa-math-opts.c: Update tree_pass descriptors.
24562         * tree-ssa-dom.c: Update tree_pass descriptors.
24563         * tree-nrv.c: Update tree_pass descriptors.
24564         * tree-ssa-alias.c: Update tree_pass descriptors.
24565         * loop-init.c: Update tree_pass descriptors.
24566         * gimple-low.c: Update tree_pass descriptors.
24567         * ipa-inline.c: Update tree_pass descriptors.
24568         * tree-ssa-sink.c: Update tree_pass descriptors.
24569         * global.c: Update tree_pass descriptors.
24570         * ifcvt.c: Update tree_pass descriptors.
24571         * jump.c: Update tree_pass descriptors.
24572         * predict.c: Update tree_pass descriptors.
24573         * tree-ssa-loop.c: Update tree_pass descriptors.
24574         * recog.c: Update tree_pass descriptors.
24575         * dse.c: Update tree_pass descriptors.
24576         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
24577         * tree-eh.c: Update tree_pass descriptors.
24578         * regmove.c: Update tree_pass descriptors.
24579         * local-alloc.c
24580         * function.c: Update tree_pass descriptors.
24581         * tree-vectorizer.c: Update tree_pass descriptors.
24582         * gcse.c: Update tree_pass descriptors.
24583         * ipa-type-escape.c: Update tree_pass descriptors.
24584         * tree-if-conv.c: Update tree_pass descriptors.
24585         * init-regs.c: Update tree_pass descriptors.
24586         * ipa.c: Update tree_pass descriptors.
24587         * tree-ssa-phiopt.c: Update tree_pass descriptors.
24588         * rtl-factoring.c: Update tree_pass descriptors.
24589         * lower-subreg.c: Update tree_pass descriptors.
24590         * bt-load.c: Update tree_pass descriptors.
24591         * tree-dfa.c: Update tree_pass descriptors.
24592         * except.c: Update tree_pass descriptors.
24593         * emit-rtl.c: Update tree_pass descriptors.
24594         * cfgexpand.c: Update tree_pass descriptors.
24595         * tree-cfgcleanup.c: Update tree_pass descriptors.
24596         * cfgcleanup.c: Update tree_pass descriptors.
24597         * tree-ssa-pre.c: Update tree_pass descriptors.
24598         * tree-sra.c: Update tree_pass descriptors.
24599         * tree-mudflap.c: Update tree_pass descriptors.
24600         * tree-ssa-copy.c: Update tree_pass descriptors.
24601         * cfglayout.c: Update tree_pass descriptors.
24602         * tree-ssa-forwprop.c: Update tree_pass descriptors.
24603         * tree-ssa-dce.c: Update tree_pass descriptors.
24604         * tree-ssa.c: Update tree_pass descriptors.
24605         * regclass.c: Update tree_pass descriptors.
24606         * integrate.c: Update tree_pass descriptors.
24607         * tree-optimize.c: Update tree_pass descriptors.
24608         * tree-ssa-phiprop.c: Update tree_pass descriptors.
24609         * tree-object-size.c: Update tree_pass descriptors.
24610         * combine.c: Update tree_pass descriptors.
24611         * tree-outof-ssa.c: Update tree_pass descriptors.
24612         * bb-reorder.c: Update tree_pass descriptors.
24613         * stack-ptr-mod.c: Update tree_pass descriptors.
24614         * var-tracking.c: Update tree_pass descriptors.
24615         * tree-profile.c: Update tree_pass descriptors.
24616         * tree-vect-generic.c: Update tree_pass descriptors.
24617         * reg-stack.c: Update tree_pass descriptors.
24618         * sched-rgn.c: Update tree_pass descriptors.
24619         * tree-ssa-structalias.c: Update tree_pass descriptors.
24620         * tree-cfg.c: Update tree_pass descriptors.
24621         * passes.c (current_pass): Update declaration.
24622         (finish_optimization_passes): Update.
24623         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
24624         (register_one_dump_file, register_dump_files_1, next_pass_1):
24625         Update arguments.
24626         (init_optimization_passes): Update handling of new types.
24627         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
24628         * ipa-struct-reorg.c: Update tree_pass descriptors.
24629         * tree-ssa-reassoc.c: Update tree_pass descriptors.
24630         * combine-stack-adj.c: Update tree_pass descriptors.
24631         * cfgrtl.c: Update tree_pass descriptors.
24632         * dce.c: Update tree_pass descriptors.
24633         * tree-ssanames.c: Update tree_pass descriptors.
24635 2008-03-19  Richard Guenther  <rguenther@suse.de>
24637         PR middle-end/35609
24638         * tree-ssa.c (walk_data): New structure.
24639         (warn_uninitialized_var): If not always_executed warn with "maybe"
24640         instead of "is".
24641         (execute_early_warn_uninitialized): Compute post-dominators.
24642         Initialize always_executed before processing each basic block.
24644 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
24646         PR target/35504
24647         * config/i386/i386.c (x86_this_parameter): Calculate correct location
24648         of "this" pointer when "regparm = N" or "fastcall" is in effect.
24650 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24652         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
24654 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
24656         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
24657         is true.
24658         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
24659         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
24660         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
24661         target after ignore has been set, and move there also the commputation
24662         of subtarget and original_target.
24663         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
24664         (LANG_HOOKS_INITIALIZER): Remove it.
24665         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
24667 2008-03-18  Richard Guenther  <rguenther@suse.de>
24669         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
24670         found an expression with constants, note that in the VN for the lhs.
24671         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
24672         fold them to constants if possible.  Run cleanup_cfg if done so.
24673         (execute_pre): Return todo.
24674         (do_pre): Likewise.
24675         (execute_fre): Likewise.
24676         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
24677         of constants.
24678         (get_prop_source_stmt): Look through pointer conversions.
24680 2008-03-18  Jan Hubicka  <jh@suse.cz>
24682         * tree-pretty-print.c: Include predict.h.
24683         (dump_generic_node): Dump predictor.
24684         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
24685         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
24686         * gimple-low.c (lower_stmt): Likewise.
24687         * expr.c (expand_expr_real): Likewise.
24688         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
24689         them.
24690         (build_predict_expr, build_predict_expr): New.
24691         * predict.h (predictor_name, build_predict_expr): Update.
24692         * c-typeck.c (c_finish_bc_stmt): Add prediction.
24693         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
24694         * predict.def (PRED_CONTINUE): Update hitrate.
24695         * tree.def (PREDICT_EXPR): Define.
24696         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
24697         do not handle BIND_EXPR.
24698         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
24699         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
24700         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
24701         operands.
24703 2008-03-18  Michael Matz  <matz@suse.de>
24705         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
24707 2008-03-18  Richard Guenther  <rguenther@suse.de>
24709         * tree-gimple.h (is_gimple_invariant_address): Declare.
24710         (is_gimple_constant): Likewise.
24711         * tree-gimple.c (is_gimple_constant): New function.
24712         (is_gimple_invariant_address): Likewise.
24713         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
24714         and is_gimple_invariant_address.
24715         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
24716         previous change.
24717         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
24718         an addressable base.
24720 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
24722         PR middle-end/35611
24723         * gimplify.c (gimplify_expr): Gimplify second operand of
24724         OMP_ATOMIC_LOAD.
24726 2008-03-17  Richard Guenther  <rguenther@suse.de>
24728         PR tree-optimization/19637
24729         * fold-const.c (fold_unary): Remove restrictions of removing
24730         intermediate pointer-conversions (P2)(P1)P0.
24731         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
24732         conversion to void pointer.
24733         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
24735 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
24737         PR debug/31510
24738         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
24739         emulated thread local variables.
24741 2008-03-16  Richard Guenther  <rguenther@suse.de>
24743         PR middle-end/35607
24744         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
24745         expand TREE_INVARIANT operations that are not gimple invariant.
24747 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
24749         * doc/extend.texi (Alignment): Say that the ABI controls
24750         the __alignof__ for non-strict-alignment targets rather
24751         than being a recommendation.
24753 2008-03-15  Paul Brook  <paul@codesourcery.com>
24755         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
24756         annotations.
24757         (arm_output_fn_unwind): Mark functions that can not be unwound.
24759 2008-03-15  Paul Brook  <paul@codesourcery.com>
24761         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
24762         extension instructions.
24764 2008-03-15  Richard Guenther  <rguenther@suse.de>
24766         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
24767         and fold constant aggregate refs.
24768         (fold_const_aggregate_ref): Handle string constants
24769         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
24770         (evaluate_stmt): Simplify now that ccp_fold folds constant
24771         aggregate refs.
24773 2008-03-15  Paul Brook  <paul@codesourcery.com>
24775         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
24776         (extzv): Use gen_extzv_t2.
24777         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
24779 2008-03-15  Richard Guenther  <rguenther@suse.de>
24781         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
24782         (fold_const_aggregate_ref): Likewise.
24783         (get_value): Return NULL if we don't have any values.
24784         (ccp_finalize): Set const_val to NULL after freeing it.
24785         * tree-flow.h (get_symbol_constant_value): Declare.
24786         (fold_const_aggregate_ref): Likewise.
24787         * tree-ssa-sccvn.c (try_to_simplify): Use them.
24789 2008-03-15  Richard Guenther  <rguenther@suse.de>
24791         PR middle-end/35593
24792         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
24793         to not produce negative array indices if not allowed.  Add
24794         parameter to indicate that.
24795         (maybe_fold_offset_to_component_ref): Allow negative array
24796         indices only for the first member of a structure.
24797         (maybe_fold_offset_to_reference): Allow negative array indices.
24798         (maybe_fold_stmt_addition): Likewise.
24800 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
24801             Anatoly Sokolov  <aesok@post.ru>
24803         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
24804         (avr_arch): Add ARCH_AVR6.
24805         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
24806         (initial_elimination_offset): Initialize and use 'avr_pc_size'
24807         instead of fixed value 2.
24808         (print_operand_address): Use gs() asm specifier instead of pm().
24809         (avr_assemble_integer): (Ditto.).
24810         (avr_output_addr_vec_elt): (Ditto.).
24811         (print_operand): Handle "!" code.
24812         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
24813         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
24814         (AVR_HAVE_EIJMP_EICALL): Define.
24815         (AVR_3_BYTE_PC): Redefine.
24816         (AVR_2_BYTE_PC): (Ditto.).
24817         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
24818         (LINK_SPEC): Add atmega2560 and atmega2561.
24819         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
24820         (crtm2561.o).
24821         * config/avr/avr.md (call_insn): Use eicall instead of icall
24822         for 3 byte PC devices.
24823         (call_value_insn): (Ditto.).
24824         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
24825         (indirect_jump): Use only for for 2 byte PC devices.
24826         (*tablejump): (Ditto.).
24827         (*indirect_jump_avr6): Add insn.
24828         (*tablejump_rjmp): Don't use for 3 byte PC devices.
24829         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
24830         instead of ijmp for 3 byte PC devices.
24831         (__tablejump2__): (Ditto.).
24832         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
24833         (MULITLIB_DIRNAMES): (Ditto.).
24834         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
24836 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
24838         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
24839         "sse2_umulsidi3".  Use V1DI mode for operand 0.
24840         ("mmx_psadbw"): Use V1DI mode for operand 0.
24841         * config/i386/i386-modes.def (V1SI): New vector mode.
24842         * config/i386/i386.c (struct builtin_description)
24843         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
24844         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
24845         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
24846         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
24847         v1di_ftype_v8qi_v8qi type.
24848         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
24850         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
24851         __builtin_ia32_pmuludq]: Fix the mode of return value.
24853 2008-03-15  Richard Guenther  <rguenther@suse.de>
24855         PR middle-end/35595
24856         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
24857         being a PHI_NODE.
24859 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
24861         * doc/invoke.texi (Option Summary, Xtensa Options): Document
24862         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
24863         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
24864         unless TARGET_SERIALIZE_VOLATILE is enabled.
24865         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
24866         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
24867         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
24869 2008-03-14  Richard Guenther  <rguenther@suse.de>
24871         PR tree-optimization/34172
24872         * tree-flow.h (refs_may_alias_p): Declare.
24873         (get_single_def_stmt): Likewise.
24874         (get_single_def_stmt_from_phi): Likewise.
24875         (get_single_def_stmt_with_phi): Likewise.
24876         * tree-dfa.c (refs_may_alias_p): New function.
24877         (get_single_def_stmt): Likewise.
24878         (get_single_def_stmt_from_phi): Likewise.
24879         (get_single_def_stmt_with_phi): Likewise.
24880         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
24881         (vn_reference_lookup_1): New helper function.
24882         (vn_reference_lookup): Walk the virtual use-def chain to
24883         continue searching for a match if the def does not alias the
24884         reference we are looking for.
24886 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
24888         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
24889         archive and Perzl.  Update The Written Word listing.
24891 2008-03-14  Richard Guenther  <rguenther@suse.de>
24893         PR tree-optimization/34043
24894         PR tree-optimization/33989
24895         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
24896         when doing FRE.
24897         (bitmap_find_leader): Use extra argument to verify dominance
24898         relationship inside a basic-block.
24899         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
24900         (find_leader_in_sets): Adjust.
24901         (create_component_ref_by_pieces): Take extra argument for
24902         dominance check, handle lookup failures.
24903         (find_or_generate_expression): Likewise.
24904         (create_expression_by_pieces): Likewise.
24905         (insert_into_preds_of_block): Adjust.
24906         (create_value_expr_from): If asked for, verify all operands
24907         are in the blocks AVAIL_OUT set.
24908         (make_values_for_stmt): Check for SSA_NAMEs that are life
24909         over an abnormal edge.
24910         (compute_avail): Remove such check.
24911         (do_SCCVN_insertion): New function.
24912         (eliminate): If we do not find a leader suitable for replacement
24913         insert a replacement expression from SCCVN if available.
24914         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
24915         (struct vn_ssa_aux): Add needs_insertion flag.
24916         * tree-ssa-sccvn.c (may_insert): New global flag.
24917         (copy_reference_ops_from_ref): Value-number union member access
24918         based on its size, not type and member if insertion is allowed.
24919         (visit_reference_op_load): For a weak match from union type
24920         punning lookup a view-converted value and insert a SSA_NAME
24921         for that value if that is not found.
24922         (visit_use): Make dumps shorter.  Do not disallow value numbering
24923         SSA_NAMEs that are life over an abnormal edge to constants.
24924         (free_scc_vn): Release inserted SSA_NAMEs.
24925         (run_scc_vn): New flag to specify whether insertion is allowed.
24926         Process SSA_NAMEs in forward order.
24927         * tree-ssa-loop-im.c (for_each_index): Handle invariant
24928         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
24929         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
24930         pointer type to/from integral types that do not change the
24931         precision to regular conversions.
24933 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
24935         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
24936         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
24937         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
24938         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
24939         input arguments and the mode of return value.  Built-in functions
24940         that operate on whole 64-bit MMX register now use V1DI mode.
24942 2008-03-13  Alon Dayan  <alond@il.ibm.com>
24943             Olga Golovanevsky  <olga@il.ibm.com>
24945         PR tree-optimization/35041
24946         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
24947         to locate the right position in a statement.
24949 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
24951         PR target/34000
24952         PR target/35553
24953         * config/i386/xmmintrin.h:  Change all static inline functions to
24954         extern inline and add __gnu_inline__ attribute.
24955         * config/i386/bmintrin.h: Ditto.
24956         * config/i386/smmintrin.h: Ditto.
24957         * config/i386/tmmintrin.h: Ditto.
24958         * config/i386/mmintrin-common.h: Ditto.
24959         * config/i386/ammintrin.h: Ditto.
24960         * config/i386/emmintrin.h: Ditto.
24961         * config/i386/pmmintrin.h: Ditto.
24962         * config/i386/mmintrin.h: Ditto.
24963         * config/i386/mm3dnow.h: Ditto.
24965 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
24967         PR middle-end/35185
24968         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
24969         (lower_omp_2): New function.
24970         (lower_omp_1, lower_omp): Rewritten.
24972 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
24974         PR 35054
24975         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
24976         with the phrase "Microsoft Windows compilers".
24977         (Push/Pop Macro Pragmas): New subsection. Document
24978         #pragma push_macro and pragma pop_macro.
24980 2008-03-12  Paul Brook  <paul@codesourcery.com>
24982         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
24984 2008-03-12  Paul Brook  <paul@codesourcery.com>
24986         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
24987         (thumb2_alusi3_short): Exclude PLUS and MINUS.
24988         (thumb2_addsi_shortim): Rename ...
24989         (thumb2_addsi_short): ... to this.  Allow register operands.
24990         (thumb2_subsi_short): New pattern.
24991         (thumb2_one_cmplsi2_short,
24992         thumb2_negsi2_short): New patterns and peepholes.
24994 2008-03-12  Paul Brook  <paul@codesourcery.com>
24996         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
24998 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
25000         * config/i386/i386.md (int_cond): New code iterator.
25001         (fp_cond): Ditto.
25002         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
25003         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
25004         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
25005         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
25006         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
25007         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
25008         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
25009         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
25011 2008-03-12  Paul Brook  <paul@codesourcery.com>
25013         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
25014         instead of {arm,thumb}_compute_save_reg_mask.
25015         (output_return_instruction): Ditto.
25016         (thumb_unexpanded_epilogue): Ditto.
25017         (thumb1_expand_prologue): Ditto.
25018         (thumb1_output_function_prologue): Ditto.
25019         (arm_set_return_address): Ditto.
25020         (thumb_set_return_address): Ditto.
25021         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
25022         regs to achieve stack alignment.
25023         (thumb1_compute_save_reg_mask): Fix compiler warning.
25024         (arm_output_epilogue): Use offsets->saved_regs_mask.
25025         Adjust stack pointer by poping call clobered registers.
25026         (arm_expand_prologue): Use offsets->saved_regs_mask.
25027         Adjust stack pointer by pushing extra registers.
25028         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
25030 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
25032         PR tree-opt/35422
25033         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
25034         conversion to the operands of a multiplication.
25036 2008-03-12  Richard Guenther  <rguenther@suse.de>
25038         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
25039         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
25040         * timevar.def (TV_TREE_PHIPROP): Add.
25041         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
25042         pass description.  Use TV_TREE_PHIPROP.
25043         * tree-ssa-forwprop.c: Remove phiprop code.
25045 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
25047         PR middle-end/35549
25048         * omp-low.c (maybe_lookup_decl): Constify first argument.
25049         (use_pointer_for_field): Change last argument from bool to
25050         omp_context *.  Disallow shared copy-in/out in nested
25051         parallel if decl is shared in outer parallel too.
25052         (build_outer_var_ref, scan_sharing_clauses,
25053         lower_rec_input_clauses, lower_copyprivate_clauses,
25054         lower_send_clauses, lower_send_shared_vars): Adjust callers.
25056 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
25057             Ira Rosen  <irar@il.ibm.com>
25059         * tree-vectorizer.c (free_stmt_vec_info): New function.
25060         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
25061         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
25062         * tree-vectorizer.h (free_stmt_vec_info): Declare.
25063         * tree-vect-transform.c (vectorizable_conversion): Free
25064         vec_oprnds0 if it was allocated.
25065         (vect_permute_store_chain): Remove unused VECs.
25066         (vectorizable_store): Free VECs that are allocated in the..
25067         function.
25068         (vect_transform_strided_load, vectorizable_load): Likewise.
25069         (vect_remove_stores): Simplify the code.
25070         (vect_transform_loop): Move code to vect_remove_stores().
25071         Call vect_remove_stores() and free_stmt_vec_info().
25073 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25075         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
25076         TARGET_HPUX.  Revise comment.
25077         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
25078         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
25079         Use sr4 variant of `be' instruction when not generating PIC code.
25080         (attr_length_call): Adjust for above change.
25082 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
25084         * ipa-reference.c (static_execute): Remove module_statics_const and
25085         associated setting code.
25087 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
25089         PR target/35540
25090         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
25091         predicate for operand 1.
25092         (paritysi2_cmp): Use register_operand predicate for operand 2.
25093         Use earlyclobber modifier for operand 1.  Remove support for
25094         memory operands.
25095         (paritydi2_cmp): Use register_operand predicate for operand 3.
25096         Use earlyclobber modifier for operand 1.  Remove support for
25097         memory operands.
25099 2008-03-11  Paul Brook  <paul@codesourcery.com>
25100             Vladimir Prus  <vladimir@codesourcery.com>
25102         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
25103         (arm_compute_save_reg0_reg12_mask): Always
25104         check if register 11 must be saved.  Always safe hard frame pointer
25105         when frame_pointer_needeed.
25106         (arm_compute_save_reg_mask): Save IP and PC
25107         only with apcs frames.
25108         (arm_output_epilogue): Adjust Thumb2 codepath to
25109         be also invoked and work for ARM non-apcs frames.
25110         (arm_expand_prologue): Don't bother saving IP
25111         for non-apcs frame, since it's not clobbered by
25112         prologue code.  Implement non-apcs frame
25113         layout.
25115 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
25117         PR rtl-optimization/35281
25118         * expr.c (convert_move): Use a new pseudo for the intermediate
25119         from_mode->word_mode result.
25121 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
25123         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
25124         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
25125         * toplev.c (compile_file): Don't call it.
25127 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
25129         PR middle-end/35526
25130         * expr.c (store_expr): Call emit_block_move if the mode
25131         of "temp" RTX is BLKmode.
25133 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
25134             Richard Guenther  <rguenther@suse.de>
25136         PR tree-optimization/31358
25137         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
25138         the step with a NULL_TREE.
25139         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
25140         to sizetype if type is a pointer type.
25141         (add_candidate_1): Don't convert the base and step to
25142         the generic type if the orginal type is a pointer type.
25143         (add_iv_value_candidates): Use sizetype for the step
25144         if type is a pointer type.
25145         (cand_value_at): Likewise.
25146         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
25147         for pointer types.
25148         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
25149         Don't convert the tem affine to the type.
25150         (add_elt_to_tree): Use sizetype for the step if a pointer.
25151         Use POINTER_PLUS_EXPR for pointers.
25152         (aff_combination_to_tree): Use sizetype for the step if a
25153         pointer.
25155 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
25157         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
25158         Remove commutativity hint.
25160 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
25162         PR c/35438
25163         PR c/35439
25164         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
25165         errorneous type.  Check that v is a VAR_DECL.
25167         PR middle-end/35099
25168         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
25170 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
25172         PR tree-optimization/35494
25173         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
25174         may be overriden at link and run time.
25176 2008-03-10  Richard Guenther  <rguenther@suse.de>
25178         PR tree-optimization/34677
25179         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
25180         (poolify_tree): Likewise.
25181         (modify_expr_template): Likewise.
25182         (poolify_modify_stmt): Likewise.
25183         (insert_fake_stores): Handle all component-ref style stores
25184         in addition to INDIRECT_REF.  Also handle complex types.
25185         Do not poolify the inserted load.
25186         (realify_fake_stores): Do not rebuild the tree but only
25187         make it a SSA_NAME copy.
25188         (init_pre): Remove initialzation of modify_expr_template.
25189         Do not allocate modify_expr_node_pool.
25190         (fini_pre): Do not free modify_expr_node_pool.
25192 2008-03-10  Paul Brook  <paul@codesourcery.com>
25194         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
25195         to avoid conflicts.
25197 2008-03-10  Paul Brook  <paul@codesourcery.com>
25198             Mark Shinwell  <shinwell@codesourcery.com>
25200         * config/arm/cortex-r4.md: New.
25201         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
25202         insn attributes.
25203         * config/arm/arm.md: Include cortex-r4.md.
25204         (insn): Add smmls, sdiv and udiv values.
25205         (generic_sched): Don't use generic scheduling for Cortex-R4.
25206         (arm_issue_rate): New function.
25207         (TARGET_SCHED_ISSUE_RATE): Define.
25209 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
25211         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
25213 2008-03-10  Richard Guenther  <rguenther@suse.de>
25215         * tree-ssa-pre.c (get_sccvn_value): Simplify.
25216         (compute_avail): Do not add stmt uses to AVAIL_OUT.
25218 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
25220         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
25221         Set default to true.
25223 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25225         * c.opt (Wsynth): Deprecate.
25226         * doc/invoke.texi (Option Summary, Warning Options): Document
25227         -Wno-format-contains-nul.
25229 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
25231         PR target/35496
25232         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
25233         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
25235 2008-03-09  Ira Rosen  <irar@il.ibm.com>
25237         * config/rs6000/rs6000.c (builtin_description): Rename vector
25238         left shift operations.
25239         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
25240         (altivec_vsl<VI_char>): Rename to ...
25241         (ashl<mode>3): ... new name.
25242         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
25243         gen_ashlv4si3.
25244         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
25246 2008-03-08  Richard Guenther  <rguenther@suse.de>
25248         * coverage.h (tree_coverage_counter_addr): Declare.
25249         * coverage.c (tree_coverage_counter_addr): New function.
25250         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
25251         before using again.
25252         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
25253         (tree_gen_one_value_profiler): Likewise.
25254         (tree_gen_ic_profiler): Likewise.
25255         (tree_gen_average_profiler): Likewise.
25256         (tree_gen_ior_profiler): Likewise.
25258 2008-03-08  Richard Guenther  <rguenther@suse.de>
25260         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
25261         (vn_binary_op_insert): Likewise.
25262         (vn_unary_op_lookup): Likewise.
25263         (vn_unary_op_insert): Likewise.
25264         (vn_nary_op_lookup): Declare.
25265         (vn_nary_op_insert): Likewise.
25266         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
25267         and binary hashes, use a single obstack for unary_op_pool
25268         and binary_op_pool.
25269         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
25270         a single struct vn_nary_op_s.  Store tree code length and
25271         a variable number of operands.
25272         (struct vn_reference_op_struct): Remove unused op2.
25273         (vn_reference_op_eq): Do not compare op2.
25274         (vn_reference_op_compute_hash): Do not compute hash of op2.
25275         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
25276         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
25277         with vn_nary_op_compute_hash.
25278         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
25279         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
25280         vn_nary_op_lookup.
25281         (vn_unary_op_insert, vn_binary_op_insert): Replace with
25282         vn_nary_op_insert.
25283         (visit_unary_op): Call nary functions.
25284         (visit_binary_op): Likewise.
25285         (process_scc): Adjust for struct vn_tables_s changes.
25286         (allocate_vn_table): Likewise.
25287         (free_vn_table): Likewise.
25288         * tree-vn.c (vn_add): Call nary functions.
25289         (vn_lookup): Likewise.
25291 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
25293         PR target/35498
25294         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
25295         wdst back after sync_compare_and_swapqhi_internal.
25297 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
25299         PR target/22152
25300         * config/i386/i386-modes.def (V1DI): New vector mode.
25301         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
25302         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
25303         (MMXMODE248): Ditto.
25304         (MMXMODE): Add V1DI mode.
25305         (mmxvecsize): Change DI mode to V1DI mode.
25306         ("mov<mode>): Use MMXMODEI8 mode iterator.
25307         ("*mov<mode>_internal_rex64"): Ditto.
25308         ("*mov<mode>_internal"): Ditto.
25309         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
25310         ("mmx_sub<mode>3"): Ditto.
25311         ("mmx_adddi3"): Remove insn pattern.
25312         ("mmx_subdi3"): Ditto.
25313         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
25314         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
25315         ("mmx_ashl<mode>3"): Ditto.
25316         ("mmx_lshrdi3"): Remove insn pattern.
25317         ("mmx_ashldi3"): Ditto.
25318         * config/i386/i386.c (classify_argument): Handle V1DImode.
25319         (function_arg_advance_32): Ditto.
25320         (function_arg_32): Ditto.
25321         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
25322         mmx_addv1di3 insn pattern.
25323         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
25324         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
25325         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
25326         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
25327         Remove definitions of built-in functions.
25328         (V1DI_type_node): New node.
25329         (v1di_ftype_v1di_int): Ditto.
25330         (v1di_ftype_v1di_v1di): Ditto.
25331         (v2si_ftype_v2si_si): Ditto.
25332         (v4hi_ftype_v4hi_di): Remove node.
25333         (v2si_ftype_v2si_di): Ditto.
25334         (ix86_init_mmx_sse_builtins): Handle V1DImode.
25335         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
25336         Redefine builtins using def_builtin_const with *_ftype_*_int node.
25337         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
25338         Add new builtins using def_builtin_const.
25339         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
25340         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
25341         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
25342         * config/i386/mmintrin.h (__v1di): New typedef.
25343         (_mm_add_si64): Cast arguments to __v1di type.
25344         (_mm_sub_si64): Ditto.
25345         (_mm_sll_pi16): Cast __count to __v4hi type.
25346         (_mm_sll_pi32): Cast __count to __v2si type.
25347         (_mm_sll_si64): Cast arguments to __v1di type.
25348         (_mm_srl_pi16): Cast __count to __v4hi type.
25349         (_mm_srl_pi32): Cast __count to __v2si type.
25350         (_mm_srl_si64): Cast arguments to __v1di type.
25351         (_mm_sra_pi16): Cast __count to __v4hi type.
25352         (_mm_sra_pi32): Cast __count to __v2si type.
25353         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
25354         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
25355         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
25356         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
25357         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
25358         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
25359         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
25360         (_mm_srai_pi32): Use __builtin_ia32_psradi.
25361         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
25362         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
25363         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
25364         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
25366 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
25368         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
25370 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
25372         PR target/35373
25373         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
25374         reg+const addressing for Altivec modes.  Don't generate reg+reg
25375         addressing for TFmode or TDmode quantities.
25377 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
25379         * c-common.c (vector_types_convertible_p): Call langhook
25380         instead of comptypes.
25382 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
25384         PR tree-opt/35402
25385         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
25386         integral and scalar float variables which have a
25387         NULL DECL_INITIAL.
25389 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
25391         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
25392         dwarf_register_span hook when emitting unwind information for
25393         register-to-memory saves.
25394         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
25395         (rs6000_frame_related): Remove call to spe_synthesize_frame.
25397 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
25399         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
25400         for the same VAR_DECL.
25402 2008-03-06  Tom Tromey  <tromey@redhat.com>
25404         * treelang: Delete.
25405         * doc/standards.texi (Standards): Don't mention treelang.
25406         * doc/invoke.texi (Overall Options): Don't mention treelang.
25407         * doc/install.texi (Prerequisites): Don't mention bison or
25408         treelang.
25409         (Configuration): Don't mention treelang.
25410         (Building): Likewise.
25411         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
25413 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
25415         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
25416         word-extractions out of a multi-word object.
25418 2008-03-06  Richard Guenther  <rguenther@suse.de>
25420         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
25421         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
25422         result type and precision.
25423         * expr.c (get_inner_reference): Set unsignedp based on the result
25424         type of BIT_FIELD_REF.
25425         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
25426         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
25427         (try_instantiate_multiple_fields): Likewise.  Use the correct type
25428         for BIT_FIELD_REF.
25429         (sra_build_assignment): Likewise.
25430         (sra_build_elt_assignment): Likewise.
25431         (sra_explode_bitfield_assignment): Likewise.
25432         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
25433         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
25434         set BIT_FIELD_REF_UNSIGNED.
25435         (vectorizable_load): Likewise.
25437 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
25439         * cse.c (cse_extended_basic_block): Invalidate artificial defs
25440         at bb start.
25442 2008-03-06  Richard Guenther  <rguenther@suse.de>
25444         * alias.c (struct alias_set_entry): Move has_zero_child field
25445         to pack with alias_set.
25447 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
25449         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
25450         32bit host.
25452 2008-03-05  Ian Lance Taylor  <iant@google.com>
25454         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
25456 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
25458         * fwprop.c (update_df): Support width and offset parameters of
25459         df_ref_create.
25460         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
25461         global_conflicts): Change DF_REF_EXTRACT to either
25462         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
25463         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
25464         * df-scan.c (df_ref_record, df_defs_record,
25465         df_ref_create_structure, df_def_record_1, df_uses_record,
25466         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
25467         df_bb_refs_collect, df_entry_block_defs_collect,
25468         df_exit_block_uses_collect): Support new width and offset fields.
25469         (ref_extract_pool): New storage pool.
25470         (df_free_ref): New function.
25471         (df_reg_chain_unlink, df_free_collection_rec,
25472         df_sort_and_compress_refs): Call df_free_ref.
25473         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
25474         of df_ref_extract.
25475         (df_ref_create_structure): Allocate df_ref_extract if offset and
25476         width fields are used.
25477         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
25478         (df_uses_record): Get offset and width from ZERO_EXTRACT
25479         and SIGN_EXTRACT.
25480         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
25481         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
25482         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
25483         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
25484         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
25485         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
25486         (df_ref_extract): New structure.
25487         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
25488         (df_ref_create): Add width and offset parameters.
25490 2008-03-05  Richard Guenther  <rguenther@suse.de>
25492         * tree-ssa-structalias.c (get_constraint_for_component_ref):
25493         Use ranges_overlap_p.
25494         (offset_overlaps_with_access): Rename
25495         to ranges_overlap_p and move ...
25496         * tree-flow-inline.h (ranges_overlap_p): ... here.
25498         * tree.h (get_inner_reference, handled_component_p): Update
25499         comments.
25501         * tree.h (record_component_aliases, get_alias_set,
25502         alias_sets_conflict_p, alias_sets_must_conflict_p,
25503         objects_must_conflict_p): Move declarations ...
25504         * alias.h (record_component_aliases, get_alias_set,
25505         alias_sets_conflict_p, alias_sets_must_conflict_p,
25506         objects_must_conflict_p): ... here.
25507         Include coretypes.h.
25508         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
25510 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
25512         * cfg.c: Include tree-flow.h.
25513         (remove_edge_raw): Call redirect_edge_var_map_clear.
25514         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
25515         * tree-flow-inline.h (redirect_edge_var_map_def): New.
25516         (redirect_edge_var_map_result): New.
25517         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
25518         PENDING_STMT use with redirect_edge_var_map_*.
25519         * tree-ssa.c (edge_var_maps): New definition.
25520         (redirect_edge_var_map_add): New.
25521         (redirect_edge_var_map_clear): New.
25522         (redirect_edge_var_map_dup): New.
25523         (redirect_edge_var_map_vector): New.
25524         (redirect_edge_var_map_destroy): New.
25525         (ssa_redirect_edge): Replace PENDING_STMT use with
25526         redirect_edge_var_map_*.
25527         (flush_pending_stmts): Same.
25528         (delete_tree_ssa): Destroy edge var map.
25529         * tree-flow.h (struct _edge_var_map): New.
25530         Define edge_var_map vector type.
25531         Declare redirect_edge_var_map_* prototypes.
25532         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
25533         * tree-cfg.c (reinstall_phi_args): Replace
25534         PENDING_STMT use with redirect_edge_var_map_*.
25536 2008-03-05  Richard Guenther  <rguenther@suse.de>
25538         PR tree-optimization/35472
25539         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
25540         whose single use_stmt has a overlapping set of loaded and
25541         stored symbols as that use_stmt might be a noop assignment then.
25543 2008-03-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
25545         * gthr-rtems.h: Implement __gthread_mutex_destroy.
25547 2008-03-05  Richard Guenther  <rguenther@suse.de>
25549         PR c++/35336
25550         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
25551         should be constants.
25552         * tree-cfg.c (verify_expr): Verify it.
25553         * fold-const.c (fold_truthop): Remove code generating
25554         BIT_FIELD_REFs of structure bases.
25555         (fold_binary): Likewise.
25556         (fold_ternary): Position and size of BIT_FIELD_REFs are
25557         always host integers.
25558         (make_bit_field_ref): Remove.
25559         (optimize_bit_field_compare): Remove.
25560         (all_ones_mask_p): Remove.
25562 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
25564         PR gcc/33009
25565         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
25566         (split_block_and_df_analyze): New. Split basic block and rebuild
25567         dataflow.
25568         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
25569         SPLIT_BLOCK.
25570         (split_pattern_seq): Likewise.
25571         (erase_matching_seqs): Likewise.
25572         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
25574 2008-03-04  Geoff Keating  <geoffk@apple.com>
25576         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
25577         declaration and code.
25578         (tree_invalid_nonnegative_warnv_p): Likewise.
25580 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
25582         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
25583         examples.  Truncate option-names then causing overfull hbox.
25585 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25587         PR target/35222
25588         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
25589         on hpux10.
25590         * configure: Rebuilt.
25592 2008-03-04  Rafael Espíndola  <espindola@google.com>
25594         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
25595         (tree_unary_nonnegative_warnv_p): New.
25596         (tree_binary_nonnegative_warnv_p): New.
25597         (tree_single_nonnegative_warnv_p): New.
25598         (tree_invalid_nonnegative_warnv_p): New.
25599         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
25601 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25603         PR 28322
25604         * opts.c (handle_option): Postpone 'unknown option' errors only for
25605         warning options.
25607 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
25609         PR target/35453
25610         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
25611         (_SIDD_XXX): This.
25613 2008-03-04  Rafael Espíndola  <espindola@google.com>
25615         * fold-const.c (tree_unary_nonzero_warnv_p): New.
25616         (tree_binary_nonzero_warnv_p): New.
25617         (tree_single_nonzero_warnv_p): New.
25618         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
25620 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
25622         PR middle-end/35456
25623         * fold-const.c (fold_cond_expr_with_comparison): Prevent
25624         transformations for modes that have signed zeros.
25625         * ifcvt.c (noce_try_abs): Ditto.
25627 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
25629         * config/i386/i386.c (override_options): Force
25630         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
25632 2008-03-04  Jan Hubicka  <jh@suse.cz>
25634         PR c++/35262
25635         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
25636         in last commit.
25638 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
25640         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
25641         label to probe the stack.
25643 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
25645         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
25646         (__gthr_win32_mutex_destroy): Declare.
25647         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
25648         __gthr_win32_mutex_destroy.
25649         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
25651 2008-03-03  Jan Hubicka  <jh@suse.cz>
25653         PR c++/35262
25654         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
25655         aggressive on inlining cold calls.
25657 2008-03-03  Richard Guenther  <rguenther@suse.de>
25659         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
25660         struct copies into the expression table.
25661         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
25662         (try_to_simplify): Likewise.
25663         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
25664         integral and pointer arguments which do not change the
25665         precision to NOP_EXPRs.
25666         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
25667         VIEW_CONVERT_EXPR case.
25669 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
25671         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
25672         defined in a loop at depth 0 is invariant.
25673         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
25674         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
25675         be called at loop depth 0.
25677 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
25679         PR driver/35420
25680         * gcc.c (process_command): Update copyright notice dates.
25681         * gcov.c (print_version): Likewise.
25682         * gcov-dump.c (print_version): Likewise.
25683         * mips-tfile.c (main): Likewise.
25684         * mips-tdump.c (main): Likewise.
25686 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25688         PR 24924
25689         * c-common.c (flag_permissive): Delete.
25690         (constant_expression_warnings): Check flags first.
25691         (constant_expression_error): New.
25692         * c-common.h (flag_permissive): Delete.
25693         (constant_expression_error): Declare.
25694         * flags.h (flag_permissive): Declare. Update description.
25695         * diagnostic.c (pedwarn): Update.
25696         (permerror): New.
25697         * diagnostic.h (pedantic_error_kind): Rename as pedantic_warning_kind.
25698         (permissive_error_kind): New.
25699         * toplev.c (flag_permissive): Define. Update description.
25700         * toplev.h (permissive_error_kind): Declare.
25701         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
25702         (pedwarn_c90): Use pedantic_warning_kind.
25703         * c-opts.c (c_common_post_options): flag_permissive does not affect
25704         flag_pedantic_errors.
25706 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
25708         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
25709         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
25710         __absvsi2, __absvDI2): Use unsigned arithmetic.
25712 2008-03-02  Andi Kleen  <ak@suse.de>
25713             Richard Guenther  <rguenther@suse.de>
25715         * struct-equiv.c: Remove file.
25716         * cfg_cleanup.c (condjump_equiv_p): Remove.
25717         * Makefile.in (OBJS-common): Remove struct-equiv.o.
25718         (struct-equiv.o): Remove rule.
25719         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
25720         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
25721         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
25723 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
25725         * ifcvt.c (noce_process_if_block): Try to handle only the then
25726         block if the else block exists but isn't suitable.
25728 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
25730         PR gcc/35063
25731         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
25732         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
25733         regression from previous patch.
25735 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
25737         PR gcc/35063
25738         * gthr.h: Add __gthread_mutex_destroy as a function that must be
25739         implemented.
25740         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
25741         * gthr-single.h (__gthread_mutex_destroy): Likewise.
25742         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
25743         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
25744         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
25745         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
25746         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
25747         (__gthread_mutex_destroy_function): Rename to
25748         __gthread_mutex_destroy.
25749         * gthr-dce.h (__gthread_mutex_destroy): Call
25750         pthread_mutex_destroy.
25751         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
25752         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
25753         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
25755 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
25757         * df-scan.c (df_ref_chain_change_bb): Simplify.
25758         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
25759         set_block_for_insn if there's any change.
25760         * df.h ((df_insn_change_bb): Fix prototype.
25761         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
25762         df_insn_change_bb, don't call set_block_for_insn.
25763         * emit-rtl.c (reorder_insns): Likewise.
25764         * haifa-sched.c (move_insn): Likewise.
25766 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
25768         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
25770 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
25772         * tree-flow-inline.h (next_readonly_imm_use): Return
25773         NULL_USE_OPERAND_P after the end.
25775 2008-03-01  Richard Guenther  <rguenther@suse.de>
25777         PR tree-optimization/35411
25778         * tree-sra.c (sra_build_assignment): Split conversion to
25779         final type to a separate statement if we are not assigning
25780         to a register.
25782 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
25784         * fold-const.c (fold_convertible_p): Correct the logic to follow
25785         that in fold_convert().
25787 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
25789         PR c++/35315
25790         * tree-inline.c (build_duplicate_type): When we make a
25791         duplicate type, make it unique in the canonical types system.
25793 2008-02-29  Tom Tromey  <tromey@redhat.com>
25795         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
25796         input_file_stack_history, input_file_stack_restored): Remove.
25797         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
25798         * input.h (struct file_stack): Remove.
25799         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
25800         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
25801         Likewise.
25802         * diagnostic.h (struct diagnostic_context) <last_module>: Change
25803         type.
25804         (diagnostic_last_module_changed): Add 'map' argument.
25805         (diagnostic_set_last_function): Likewise.
25806         * diagnostic.c (undiagnostic_report_current_module): Iterate using
25807         line map, not input_file_stack.
25808         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
25810 2008-02-29  Paul Brook  <paul@codesourcery.com>
25812         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
25814 2008-02-29  Paul Brook  <paul@codesourcery.com>
25816         * config/arm/ieee754-df.S (muldf3): Use RET macros.
25818 2008-02-29  Richard Guenther  <rguenther@suse.de>
25820         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
25821         vn_lookup_or_add.
25822         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
25823         value for comparing for a store match.
25824         (simplify_unary_expression): Do nothing for SSA_NAMEs.
25825         (try_to_simplify): Do not do a full-blown reference lookup.
25827 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
25829         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
25830         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
25832         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
25834 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
25836         * tree-loop-linear.c (try_interchange_loops): Compare memory access
25837         strides against cache sizes.
25839 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
25841         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
25842         constant to fpul.
25844 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
25846         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
25847         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
25848         is smaller than the original promoted value.
25849         (simplify_subreg): If OP is a SUBREG, try to preserve its
25850         SUBREG_PROMOTED_VAR_P information.
25852 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
25854         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
25855         (VN_INFO_GET): Allocate new objects on the obstack.
25856         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
25857         for rpo_numbers_temp, for consistency.
25858         (free_scc_vn): Free the obstack.
25860 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
25862         * doc/invoke.texi: Document -ftree-loop-distribution.
25863         * tree-loop-distribution.c: New.
25864         * tree-pass.h (pass_loop_distribution): New.
25865         * graphds.h (struct graph): Add htab_t indices.
25866         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
25867         * tree-vectorizer.c (rename_variables_in_loop): Extern.
25868         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
25869         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
25870         * tree-data-ref.c (debug_data_dependence_relations): New.
25871         (dump_data_dependence_relation): Also print data references.
25872         (free_data_ref): Extern.
25873         (same_access_functions): Moved...
25874         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
25875         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
25876         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
25877         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
25878         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
25879         (stmts_from_loop): Skip LABEL_EXPR.
25880         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
25881         New.
25882         (build_rdg): Initialize rdg->indices htab.
25883         (free_rdg, stores_from_loop, ref_base_address,
25884         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
25885         have_similar_memory_accesses_1, ref_base_address_1,
25886         remove_similar_memory_refs): New.
25887         * tree-data-ref.h: Depend on tree-chrec.h.
25888         (debug_data_dependence_relations, free_data_ref): Declared.
25889         (same_access_functions): ... here.
25890         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
25891         New.
25892         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
25893         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
25894         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
25895         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
25896         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
25897         rdg_vertex_for_stmt): Declared.
25898         (struct rdg_edge): Add level.
25899         (RDGE_LEVEL): New.
25900         (free_rdg, stores_from_loop, remove_similar_memory_refs,
25901         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
25902         Declared.
25903         (rdg_has_similar_memory_accesses): New.
25904         * tree-vect-analyze.c: Remove unused static decls.
25905         * lambda.h (dependence_level): New.
25906         * common.opt (ftree-loop-distribution): New.
25907         * tree-flow.h (mark_virtual_ops_in_bb,
25908         slpeel_tree_duplicate_loop_to_edge_cfg,
25909         rename_variables_in_loop): Declared.
25910         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
25911         (OBJS-common): Add tree-loop-distribution.o.
25912         (tree-loop-distribution.o): New rule.
25913         * tree-cfg.c (mark_virtual_ops_in_bb): New.
25914         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
25915         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
25917 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
25919         PR target/33963
25920         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
25921         other than structures and unions.
25923 2008-02-28  Richard Guenther  <rguenther@suse.de>
25925         Revert:
25926         2008-02-26  Richard Guenther  <rguenther@suse.de>
25928         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
25929         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
25930         (lookup_decl_from_uid): Declare.
25931         (remove_decl_from_map): Likewise.
25932         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
25933         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
25934         (decl_for_uid_map): New global hashtable mapping DECL_UID
25935         to the decl tree.
25936         (init_ttree): Allocate it.
25937         (insert_decl_to_uid_decl_map): New helper function.
25938         (make_node_stat): Insert new decls into the map.
25939         (copy_node_stat): Likewise.
25940         (lookup_decl_from_uid): New function.
25941         (remove_decl_from_map): Likewise.
25942         (print_decl_for_uid_map_statistics): New helper.
25943         (dump_tree_statistics): Call it.
25945         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
25946         (referenced_var_iterator): Adjust.
25947         (FOR_EACH_REFERENCED_VAR): Adjust.
25948         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
25949         (num_referenced_vars): Adjust.
25950         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
25951         (first_referenced_var): Remove.
25952         (end_referenced_vars_p): Likewise.
25953         (next_referenced_var): Likewise.
25954         (referenced_var_iterator_set): New helper function.
25955         * tree-dfa.c (referenced_var_lookup): Adjust.
25956         (referenced_var_check_and_insert): Likewise.
25957         (remove_referenced_var): Likewise.
25958         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
25959         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
25960         (verify_call_clobbering): Likewise.
25961         (verify_memory_partitions): Likewise.
25962         (init_tree_ssa): Allocate bitmap instead of hashtable for
25963         referenced_vars.
25964         (delete_tree_ssa): Adjust.
25965         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
25966         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
25967         (compute_tag_properties): Likewise.
25968         (set_initial_properties): Likewise.
25969         (find_partition_for): Likewise.
25970         (update_reference_counts): Likewise.
25971         (dump_may_aliases_for): Likewise.
25972         * tree-ssa-operands.c (add_virtual_operand): Likewise.
25973         (add_call_clobber_ops): Likewise.
25974         (add_call_read_ops): Likewise.
25975         (get_asm_expr_operands): Likewise.
25976         * tree-into-ssa.c (dump_decl_set): Likewise.
25977         (update_ssa): Likewise.
25978         * tree-sra.c (scan_function): Likewise.
25979         (decide_instantiations): Likewise.
25980         (scalarize_parms): Likewise.
25981         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
25982         (dsa_named_for): Likewise.
25983         * tree-ssa-structalias.c (update_alias_info): Likewise.
25984         (merge_smts_into): Likewise.
25986 2008-02-27  David Daney  <ddaney@avtrex.com>
25988         PR target/34409
25989         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
25990         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
25991         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
25992         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
25993         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
25995 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
25997         PR target/25477
25998         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
25999         (BUILT_IN_NEXTTOWARD): Remove.
26000         (BUILT_IN_NEXTTOWARDF): Ditto.
26001         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
26002         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
26004 2008-02-27  Tom Tromey  <tromey@redhat.com>
26006         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
26007         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
26009 2008-02-27  Jan Beulich  <jbeulich@novell.com>
26011         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
26012         update the respective field on newdecl.
26014 2008-02-27  Revital Eres  <eres@il.ibm.com>
26016         PR rtl-optimization/34999
26017         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
26018         crossing edges that ends with a call insn.
26019         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
26020         call insn and clear the EDGE_CROSSING flag of the crossing edge
26021         when fixing fallthru edges.
26023 2008-02-27  Richard Guenther  <rguenther@suse.de>
26025         PR middle-end/35390
26026         * fold-const.c (fold_unary): Return the correct argument,
26027         converted to the result type.
26029 2008-02-27  Richard Guenther  <rguenther@suse.de>
26031         PR middle-end/34971
26032         * expr.c (expand_expr_real_1): Assert on rotates that operate
26033         on partial modes.
26034         * fold-const.c (fold_binary): Use the types precision, not the
26035         bitsize of the mode if folding rotate expressions.  Build rotates
26036         only for full modes.
26038 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
26040         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
26041         and CPP_PRAGMA_EOL.
26042         * c-pragma.c (pragma_ns_name): New typedef.
26043         (registered_pp_pragmas): New variable.
26044         (c_pp_lookup_pragma): New function.
26045         (c_register_pragma_1): If flag_preprocess_only, do nothing
26046         for non-expanded pragmas, for expanded ones push pragma's
26047         namespace and name into registered_pp_pragmas vector.
26048         (c_invoke_pragma_handler): Register OpenMP pragmas even when
26049         flag_preprocess_only, don't register GCC pch_preprocess
26050         pragma if flag_preprocess_only.
26051         * c-opts.c (c_common_init): Call init_pragma even if
26052         flag_preprocess_only.
26053         * c-pragma.c (c_pp_lookup_pragma): New prototype.
26054         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
26055         cpp_register_pragma if flag_preprocess_only.
26057 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26059         PR c/28800
26060         * c-parser.c (c_parser_translation_unit): Warn for empty
26061         translation unit, not empty source file.
26063 2008-02-26  Paul Brook  <paul@codesourcery.com>
26065         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
26066         operand for Thumb-2.
26067         * config/arm/arm.h (reg_class): Add CORE_REGS.
26068         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
26069         (BASE_REG_CLASS): Use CORE_REGS.
26070         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
26071         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
26072         (REGNO_OK_FOR_INDEX_P): Exclude SP.
26073         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
26074         ARM_REGNO_OK_FOR_INDEX_P.
26075         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
26076         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
26077         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
26078         (ldm/stm peepholes): Ditto.
26079         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
26080         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
26081         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
26082         * config/arm/constraints.md: Enable "k" constraint on ARM.
26084 2008-02-27  Ben Elliston  <bje@au.ibm.com>
26086         * config/rs6000/rs6000.c: Annotate cache line size field in all
26087         instances of struct processor_costs.
26089 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
26091         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
26092         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
26093         jump_bypass): New counters.
26094         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
26095         * dce.c (gate_ud_dce): Same.
26096         (gate_fast_dce): Same.
26097         * dse.c (gate_dse1): New function.
26098         (gate_dse2): New function.
26099         (gate_dse): Merge results of new gate functions.
26100         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
26101         (gate_handle_jump_bypass): Add dbg_cnt.
26102         (gate_handle_gcse): Add dbg_cnt.
26103         * ifcvt.c (gate_handle_if_conversion): Same.
26104         (gate_handle_if_after_combine): Same.
26105         (gate_handle_if_after_reload): Same.
26106         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
26108 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
26110         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
26111         line sizes.
26112         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
26114 2008-02-26  Jason Merrill  <jason@redhat.com>
26116         PR c++/35315
26117         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
26118         alone if it's the naming decl for the type's main variant.
26120 2008-02-26  Tom Tromey  <tromey@redhat.com>
26122         * system.h (USE_MAPPED_LOCATION): Poison.
26123         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
26124         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
26125         (make_goto_expr_edges): Likewise.
26126         (remove_bb): Likewise.
26127         (execute_warn_function_return): Likewise.
26128         * basic-block.h (struct edge_def) <goto_locus>: Change type to
26129         location_t.
26130         * c-common.c (fname_decl): Remove old location code.
26131         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
26132         location code.
26133         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
26134         variant.
26135         (ASM_INPUT_SOURCE_LOCATION): Likewise.
26136         (gen_rtx_ASM_INPUT): Likewise.
26137         (gen_rtx_ASM_INPUT_loc): Likewise.
26138         (get_rtx_asm_OPERANDS): Remove.
26139         * cfglayout.c (insn_locators_alloc): Remove old location code.
26140         (set_curr_insn_source_location): Likewise.
26141         (curr_insn_locator): Likewise.
26142         * print-tree.c (print_node): Remove old location code.
26143         * tree-mudflap.c (mf_varname_tree): Remove old location code.
26144         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
26145         * cfgexpand.c (expand_gimple_cond_expr): Don't use
26146         location_from_locus.
26147         (construct_exit_block): Remove old location code.
26148         * emit-rtl.c (force_next_line_note): Remove old location code.
26149         * profile.c (branch_prob): Remove old location code.
26150         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
26151         LOC_LINE): Remove old-location variants.
26152         * langhooks.c (lhd_print_error_function): Remove old location
26153         code.
26154         * configure, config.in: Rebuilt.
26155         * configure.ac (--enable-mapped-location): Remove.
26156         * c-decl.c (c_init_decl_processing): Remove old location code.
26157         (finish_function): Likewise.
26158         * recog.c (decode_asm_operands): Remove old location code.
26159         * c-pch.c (c_common_read_pch): Remove old location code.
26160         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
26161         variants.
26162         * gimple-low.c (lower_function_body): Remove old location code.
26163         * toplev.c (unknown_location): Remove.
26164         (push_srcloc): Remove old-location variant.
26165         (process_options): Remove old location code.
26166         (lang_dependent_init): Likewise.
26167         * input.h (UNKNOWN_LOCATION): Move definition.
26168         (location_t): Undeprecate.
26169         (source_locus): Remove.
26170         (location_from_locus): Remove.
26171         (struct location_s): Remove.
26172         Remove all old-location code.
26173         (input_line, input_filename): Remove.
26174         * final.c (final_scan_insn): Remove old location code.
26175         * diagnostic.c (diagnostic_build_prefix): Remove
26176         USE_MAPPED_LOCATION test.
26177         * tree.h (gimple_stmt) <locus>: Now a location_t.
26178         (tree_exp) <locus>: Likewise.
26179         (DECL_IS_BUILTIN): Remove old-location variant.
26180         (annotate_with_file_line, annotate_with_locus): Likewise.
26181         (expr_locus, set_expr_locus): Update.
26182         * tree.c (build1_stat): Remove old location code.
26183         (last_annotated_node): Remove.
26184         (annotate_with_file_line): Remove old-location variant.
26185         (annotate_with_locus): Likewise.
26186         (expr_location): Remove old location code.
26187         (set_expr_location): Likewise.
26188         (expr_has_location): Likewise.
26189         (expr_locus): Likewise.
26190         (set_expr_locus): Likewise.
26191         (expr_filename): Don't use location_from_locus.
26192         (expr_lineno): Likewise.
26193         * rtl-error.c (location_for_asm): Remove old location code.
26194         * c-lex.c (cb_line_change): Remove old location code.
26195         (fe_file_change): Likewise.
26196         (cb_def_pragma): Likewise.
26197         (c_lex_with_flags): Likewise.
26198         * gengtype.c (do_typedef): Don't special-case location types.
26199         (define_location_structures): Remove.
26200         (main): Don't call define_location_structures.
26201         * tree-pretty-print.c (dump_implicit_edges): Remove old location
26202         code.
26204 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26206         PR 26264
26207         * builtins.def (BUILT_IN_STDARG_START): Remove.
26208         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
26209         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
26210         * tree-inline.c (inline_forbidden_p_1): Likewise.
26212 2008-02-26  Richard Guenther  <rguenther@suse.de>
26214         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
26215         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
26216         (lookup_decl_from_uid): Declare.
26217         (remove_decl_from_map): Likewise.
26218         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
26219         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
26220         (decl_for_uid_map): New global hashtable mapping DECL_UID
26221         to the decl tree.
26222         (init_ttree): Allocate it.
26223         (insert_decl_to_uid_decl_map): New helper function.
26224         (make_node_stat): Insert new decls into the map.
26225         (copy_node_stat): Likewise.
26226         (lookup_decl_from_uid): New function.
26227         (remove_decl_from_map): Likewise.
26228         (print_decl_for_uid_map_statistics): New helper.
26229         (dump_tree_statistics): Call it.
26231         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
26232         (referenced_var_iterator): Adjust.
26233         (FOR_EACH_REFERENCED_VAR): Adjust.
26234         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
26235         (num_referenced_vars): Adjust.
26236         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
26237         (first_referenced_var): Remove.
26238         (end_referenced_vars_p): Likewise.
26239         (next_referenced_var): Likewise.
26240         (referenced_var_iterator_set): New helper function.
26241         * tree-dfa.c (referenced_var_lookup): Adjust.
26242         (referenced_var_check_and_insert): Likewise.
26243         (remove_referenced_var): Likewise.
26244         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
26245         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26246         (verify_call_clobbering): Likewise.
26247         (verify_memory_partitions): Likewise.
26248         (init_tree_ssa): Allocate bitmap instead of hashtable for
26249         referenced_vars.
26250         (delete_tree_ssa): Adjust.
26251         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
26252         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26253         (compute_tag_properties): Likewise.
26254         (set_initial_properties): Likewise.
26255         (find_partition_for): Likewise.
26256         (update_reference_counts): Likewise.
26257         (dump_may_aliases_for): Likewise.
26258         * tree-ssa-operands.c (add_virtual_operand): Likewise.
26259         (add_call_clobber_ops): Likewise.
26260         (add_call_read_ops): Likewise.
26261         (get_asm_expr_operands): Likewise.
26262         * tree-into-ssa.c (dump_decl_set): Likewise.
26263         (update_ssa): Likewise.
26264         * tree-sra.c (scan_function): Likewise.
26265         (decide_instantiations): Likewise.
26266         (scalarize_parms): Likewise.
26267         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
26268         (dsa_named_for): Likewise.
26269         * tree-ssa-structalias.c (update_alias_info): Likewise.
26270         (merge_smts_into): Likewise.
26272 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26274         PR 34351
26275         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
26276         * c-opts.c (c_common_handle_option): Wall enables
26277         Wvolatile-register-var.
26278         * common.opt: Move Wvolatile-register-var to...
26279         * c.opt: ...here.
26281 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26283         * common.opt (Wlarger-than=): New.
26284         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
26285         -Wlarger-than=.
26286         * opts.c (common_handle_option): Handle -Wlarger-than=.
26287         * optc-gen.awk: Likewise.
26288         * opth-gen.awk: Likewise.
26289         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
26290         * tree-optimize.c (tree_rest_of_compilation): Likewise.
26292 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26294         * c-common.c (match_case_to_enum_1): Add appropriate
26295         OPT_W* parameter to warning.
26296         (c_do_switch_warnings): Likewise.
26297         * c-typeck.c (warning_init): Add one more parameter following
26298         'warning' function.
26299         (push_init_level): Update call to warning_init.
26300         (pop_init_level): Likewise.
26301         (add_pending_init): Likewise.
26302         (output_init_element: Likewise.
26304 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26306         PR 28322
26307         * toplev.c (toplev_main): If there are warnings or error, print
26308         errors for ignored options.
26309         * opts.c (ignored_options): New static variable.
26310         (postpone_unknown_option_error): New.
26311         (print_ignored_options): New.
26312         (handle_option): Postpone errors for unknown -Wno-* options.
26313         * opts.h (print_ignored_options): Declare.
26315 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
26317         * config/mips/mips.md (loadgp_blockage, blockage): Change type
26318         to "ghost".
26320 2008-02-25  Richard Guenther  <rguenther@suse.de>
26322         Revert:
26323         2008-02-25  Richard Guenther  <rguenther@suse.de>
26325         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
26326         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
26327         (lookup_decl_from_uid): Declare.
26328         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
26329         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
26330         (decl_for_uid_map): New global hashtable mapping DECL_UID
26331         to the decl tree.
26332         (init_ttree): Allocate it.
26333         (insert_decl_to_uid_decl_map): New helper function.
26334         (make_node_stat): Insert new decls into the map.
26335         (copy_node_stat): Likewise.
26336         (lookup_decl_from_uid): New function.
26337         (print_decl_for_uid_map_statistics): New helper.
26338         (dump_tree_statistics): Call it.
26340         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
26341         (referenced_var_iterator): Adjust.
26342         (FOR_EACH_REFERENCED_VAR): Adjust.
26343         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
26344         (num_referenced_vars): Adjust.
26345         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
26346         (first_referenced_var): Remove.
26347         (end_referenced_vars_p): Likewise.
26348         (next_referenced_var): Likewise.
26349         (referenced_var_iterator_set): New helper function.
26350         * tree-dfa.c (referenced_var_lookup): Adjust.
26351         (referenced_var_check_and_insert): Likewise.
26352         (remove_referenced_var): Likewise.
26353         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
26354         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26355         (verify_call_clobbering): Likewise.
26356         (verify_memory_partitions): Likewise.
26357         (init_tree_ssa): Allocate bitmap instead of hashtable for
26358         referenced_vars.
26359         (delete_tree_ssa): Adjust.
26360         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
26361         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26362         (compute_tag_properties): Likewise.
26363         (set_initial_properties): Likewise.
26364         (find_partition_for): Likewise.
26365         (update_reference_counts): Likewise.
26366         (dump_may_aliases_for): Likewise.
26367         * tree-ssa-operands.c (add_virtual_operand): Likewise.
26368         (add_call_clobber_ops): Likewise.
26369         (add_call_read_ops): Likewise.
26370         (get_asm_expr_operands): Likewise.
26371         * tree-into-ssa.c (dump_decl_set): Likewise.
26372         (update_ssa): Likewise.
26373         * tree-sra.c (scan_function): Likewise.
26374         (decide_instantiations): Likewise.
26375         (scalarize_parms): Likewise.
26376         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
26377         (dsa_named_for): Likewise.
26378         * tree-ssa-structalias.c (update_alias_info): Likewise.
26379         (merge_smts_into): Likewise.
26381 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
26383         PR fortran/29549
26384         * doc/invoke.texi (-fcx-limited-range): Document new option.
26385         * toplev.c (process_options): Handle -fcx-fortran-rules.
26386         * common.opt: Add documentation for -fcx-fortran-rules.
26388 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
26390         PR c/35162
26391         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
26392         actual behaviour and C99.
26394 2008-02-26  Ben Elliston  <bje@au.ibm.com>
26396         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
26397         (ASM_CPU_POWER6_SPEC): Likewise.
26398         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
26399         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
26400         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
26402 2008-02-25  Richard Guenther  <rguenther@suse.de>
26404         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
26405         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
26406         (lookup_decl_from_uid): Declare.
26407         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
26408         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
26409         (decl_for_uid_map): New global hashtable mapping DECL_UID
26410         to the decl tree.
26411         (init_ttree): Allocate it.
26412         (insert_decl_to_uid_decl_map): New helper function.
26413         (make_node_stat): Insert new decls into the map.
26414         (copy_node_stat): Likewise.
26415         (lookup_decl_from_uid): New function.
26416         (print_decl_for_uid_map_statistics): New helper.
26417         (dump_tree_statistics): Call it.
26419         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
26420         (referenced_var_iterator): Adjust.
26421         (FOR_EACH_REFERENCED_VAR): Adjust.
26422         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
26423         (num_referenced_vars): Adjust.
26424         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
26425         (first_referenced_var): Remove.
26426         (end_referenced_vars_p): Likewise.
26427         (next_referenced_var): Likewise.
26428         (referenced_var_iterator_set): New helper function.
26429         * tree-dfa.c (referenced_var_lookup): Adjust.
26430         (referenced_var_check_and_insert): Likewise.
26431         (remove_referenced_var): Likewise.
26432         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
26433         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26434         (verify_call_clobbering): Likewise.
26435         (verify_memory_partitions): Likewise.
26436         (init_tree_ssa): Allocate bitmap instead of hashtable for
26437         referenced_vars.
26438         (delete_tree_ssa): Adjust.
26439         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
26440         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
26441         (compute_tag_properties): Likewise.
26442         (set_initial_properties): Likewise.
26443         (find_partition_for): Likewise.
26444         (update_reference_counts): Likewise.
26445         (dump_may_aliases_for): Likewise.
26446         * tree-ssa-operands.c (add_virtual_operand): Likewise.
26447         (add_call_clobber_ops): Likewise.
26448         (add_call_read_ops): Likewise.
26449         (get_asm_expr_operands): Likewise.
26450         * tree-into-ssa.c (dump_decl_set): Likewise.
26451         (update_ssa): Likewise.
26452         * tree-sra.c (scan_function): Likewise.
26453         (decide_instantiations): Likewise.
26454         (scalarize_parms): Likewise.
26455         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
26456         (dsa_named_for): Likewise.
26457         * tree-ssa-structalias.c (update_alias_info): Likewise.
26458         (merge_smts_into): Likewise.
26460 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
26462         PR target/35258
26463         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
26464         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
26465         * alias.h (nonoverlapping_memrefs_p): Likewise.
26467 2008-02-25  Jan Beulich  <jbeulich@novell.com>
26469         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
26470         * config/i386/netware-libgcc.exp: Add __bswap?i2,
26471         __emultls_get_address, __emultls_register_common,
26472         __floatundi?f, and _Unwind_GetIPInfo.
26473         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
26474         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
26475         (gen_regparm_prefix): Likewise.
26476         (i386_nlm_encode_section_info): Sync with
26477         config/i386/winnt.c:i386_pe_encode_section_info().
26478         (i386_nlm_maybe_mangle_decl_assembler_name): New.
26479         i386_nlm_mangle_decl_assembler_name): New.
26480         (netware_override_options): New.
26481         * config/i386/netware.h (netware_override_options): Declare.
26482         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
26483         (i386_nlm_mangle_decl_assembler_name): Declare.
26484         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
26486 2008-02-25  Ben Elliston  <bje@au.ibm.com>
26488         PR other/32948
26489         * c-decl.c (grokdeclarator): Remove unused local variables
26490         `typedef_type' and `type_as_written'.
26491         * bb-reorder.c
26492         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
26493         unused local variable `has_hot_blocks'.
26494         (fix_crossing_conditional_branches): Remove unused local variable
26495         `prev_bb'.
26497 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
26499         PR middle-end/19984
26500         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
26501         using DEF_C99_BUILTIN.
26502         (BUILT_IN_NANF): Ditto.
26503         (BUILT_IN_NANL): Ditto.
26505 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
26506             Revital Eres  <eres@il.ibm.com>
26508         * modulo-sched.c (calculate_must_precede_follow): Address TODO
26509         regarding the order of two dependent insns in the same row.
26511 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
26513         * stor-layout.c (layout_decl): Do not bump the alignment of a
26514         bit-field to more than byte alignment if it is packed.
26516 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
26518         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
26519         e300c2 and e300c3.
26521 2008-02-24  Diego Novillo  <dnovillo@google.com>
26523         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
26525         PR 33738
26526         * tree-vrp.c (vrp_evaluate_conditional): With
26527         -Wtype-limits, emit a warning when comparing against a
26528         constant outside the natural range of OP0's type.
26529         * c.opt (Wtype-limits): Move ...
26530         * common.opt (Wtype-limits): ... here.
26532 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
26534         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
26535         * config/rs6000/e300c2c3.md: New file.
26536         * config/rs6000/rs6000.c (processor_costs): Add new costs for
26537         e300c2 and e300c3.
26538         (rs6000_override_options): Add e300c2 and e300c3 cases to
26539         processor_target_table. Do not allow usage of Altivec or Spe
26540         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
26541         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
26542         * config/rs6000/rs6000.h (processor_type): Add
26543         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
26544         (ASM_CPU_SPEC): Add e300c2 and e300c3.
26545         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
26546         and ppce300c3. Include e300c2c3.md.
26548 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
26550         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
26551         instead of TARGET_STRICT_ALIGN.
26553 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
26555         * explow.c (memory_address): Assert that the generated address is
26556         valid.
26558 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
26560         PR target/25477
26561         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
26562         * config/darwin-ppc-ldouble-patch.def: New file.
26563         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
26564         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
26565         SUBTARGET_INIT_BUILTINS if defined.
26566         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
26567         New functions.
26569 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
26571         PR rtl-opt/33512
26572         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
26573         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
26575 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
26577         PR pch/35027
26578         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
26579         file" warning condtional on -Winvalid-PCH.
26581 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
26583         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
26585 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
26587         PR target/22076
26588         PR target/34256
26589         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
26590         prevent reload from using MMX registers.
26591         (*mov<mode>_internal): Ditto.
26592         (*movv2sf_internal_rex64): Ditto.
26593         (*movv2sf_internal): Ditto.
26595 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26597         PR documentation/31569
26598         * doc/install.texi2html: Use makeinfo --no-number-sections.
26600 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
26602         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
26603         ensure that we can address an entire entity > 8 bytes.  Don't
26604         generate reg+reg addressing for such data.
26606 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
26608         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
26609         strings when optimizing for size, unless the target cares about
26610         alignment.
26612 2008-02-22  Tom Tromey  <tromey@redhat.com>
26614         * regclass.c (current_pass): Remove declaration.
26616 2008-02-22  Anatoly Sokolov  <aesok@post.ru>
26618         * config/avr/libgcc.S (__RAMPZ__): Define.
26619         (__do_copy_data): Add for devices with 128KB code memory.
26621 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
26623         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
26624         Use spe_abi.
26625         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
26627 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
26629         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
26630         GENNONACR_REGS.
26632 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26634         PR c/19999
26635         * c-typeck.c (build_binary_op): Warn about floating point
26636         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
26638 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
26640         PR target/34526
26641         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
26642         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
26643         add vrsave.
26644         (rs6000_override_options): Set altivec_abi as default, not override,
26645         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
26646         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
26647         is used; use new member spe_abi.
26648         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
26649         spe_abi and altivec_abi.
26651 2008-02-22  Tomas Bily  <tbily@suse.cz>
26653         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
26655 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26657         PR bootstrap/35273
26658         * config.build (build_file_translate): Set to `CMD //c' only if
26659         it works.
26660         * Makefile.in (build_file_translate): Improve comment.
26662 2008-02-21  Jan Hubicka  <jh@suse.cz>
26664         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
26665         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
26666         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
26668 2008-02-21  Michael Matz  <matz@suse.de>
26670         PR target/35264
26671         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
26673 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
26675         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
26676         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
26677         as insn constraint.
26678         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
26679         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
26680         SSE_VEC_FLOAT_MODE_P as insn constraint.
26681         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
26682         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
26683         sse4a_movntdf using MODEF mode iterator.
26684         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
26685         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
26686         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
26687         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
26688         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
26689         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
26690         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
26692 2008-02-21  Richard Guenther  <rguenther@suse.de>
26694         * tree.def (PAREN_EXPR): New tree code.
26695         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
26696         and PAREN_EXPR.
26697         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
26698         * expr.c (expand_expr_real_1): Likewise.
26699         * tree-inline.c (estimate_num_insns_1): Likewise.
26700         * tree-complex.c (expand_complex_move): Likewise.
26701         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
26702         as plain x.
26704 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
26706         PR target/35225
26707         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
26709 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
26711         PR target/35190
26712         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
26714         * config/sh/sh.c (find_barrier): Don't go past
26715         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
26717 2008-02-20  DJ Delorie  <dj@redhat.com>
26719         * config/h8300/h8300.md (insv): Force source operand to be a register.
26721         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
26722         as a jump, not as a plain insn.
26724 2008-02-20  Seongbae Park  <seongbae.park@gmail.com>
26726         * doc/invoke.texi (Warning Options): Add new option
26727         -Wframe-larger-than=.
26728         (-Wframe-larger-than): Document.
26730         * flags.h (warn_frame_larger_than, frame_larger_than_size):
26731         Add declarations for new option variables.
26733         * final.c (final_start_function): Check the frame size
26734         before emission and issue a Wframe-larger-than warning.
26736         * opts.c (warn_frame_larger_than, frame_larger_than_size):
26737         Add definitions for new option variables.
26738         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
26740         * common.opt (Wframe-larger-than=): New option.
26742 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
26744         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
26745         (<sse>_div<mode>3): Ditto.
26746         (<sse>_vmdiv<mode>3): Ditto.
26747         (<sse>_vmsqrt<mode>2): Ditto.
26748         (*smax<mode>3): Ditto.
26749         (sse5_frcz<mode>2): Ditto.
26750         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
26751         as insn constraint.
26753 2008-02-20  Richard Guenther  <rguenther@suse.de>
26755         PR middle-end/35265
26756         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
26757         be happy with INTEGRAL_TYPE_P.
26759 2008-02-20  Richard Guenther  <rguenther@suse.de>
26761         * fold-const.c (split_tree): Associate floatig-point expressions
26762         if flag_associative_math is set.
26764 2008-02-20  Richard Guenther  <rguenther@suse.de>
26766         * tree.h (fold_real_zero_addition_p): Declare.
26767         * fold-const.c (fold_real_zero_addition_p): Export.
26768         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
26769         floating-point operations with zero and one.
26771 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
26773         * doc/install.texi: Correct references to CFLAGS, replacing them
26774         with BOOT_CFLAGS.  Document flags used during bootstrap for
26775         target libraries.
26777 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
26779         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
26780         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
26781         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
26782         insn constraint.
26783         (smin<mode>3): Ditto from similar patterns.
26784         (smax<mode>3): Ditto.
26785         (*ieee_smin<mode>3): Ditto.
26786         (*ieee_smax<mode>3): Ditto.
26787         * config/i386/sse.md (sse): New mode attribute.
26788         (mov<mode>): Macroize expander from movv4sf and movv2df using
26789         SSEMODEF2P mode iterator.
26790         (<sse>_movnt<mode>): Ditto from similar patterns. Use
26791         SSE_VEC_FLOAT_MODE_P as insn constraint.
26792         (storent<mode>): Ditto.
26793         (storent<mode>): Macroize expander from storentsf and storentdf using
26794         MODEF mode iterator.
26795         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
26796         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
26797         (abs<mode>2): Ditto from similar patterns.
26798         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
26799         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
26800         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
26801         (<sse>_vmsqrt<mode>2): Ditto.
26802         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
26803         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
26804         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
26805         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
26806         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
26807         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
26808         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
26809         insn constraint.
26810         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
26811         iterator and SSE_FLOAT_MODE_P as insn constraint.
26812         (<sse>_ucomi): Ditto from similar patterns.
26813         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
26814         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
26815         SSE_VEC_FLOAT_MODE_P as insn constraint.
26816         (vcond<mode>): Ditto from similar patterns.
26817         (and<mode>3, *and<mode>3): Ditto.
26818         (<sse>_nand<mode>3): Ditto.
26819         (ior<mode>3, *ior<mode>3): Ditto.
26820         (xor<mode>3, *xor<mode>3): Ditto.
26821         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
26822         iterator and SSE_FLOAT_MODE_P as insn constraint.
26823         (*nand<mode>3): Ditto from similar patterns.
26824         (*ior<mode>3): Ditto.
26825         (*xor<mode>3): Ditto.
26827 2008-02-20  Ira Rosen  <irar@il.ibm.com>
26829         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
26830         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
26831         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
26833 2008-02-19  Jan Hubicka  <jh@suse.cz>
26835         * predict.c (tree_bb_level_predictions): Remove variable next
26836         mistakely introduced by previous commit.
26838 2008-02-19  Jan Hubicka  <jh@suse.cz>
26840         * predict.c (predict_paths_leading_to): Rewrite.
26841         (predict_paths_for_bb): New.
26842         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
26844 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26846         PR bootstrap/35218
26847         * Makefile.in (build_file_translate): New.
26848         (gcc-vers.texi): Use it for translating $(abs_srcdir).
26849         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
26850         * configure.ac (build_file_translate): Substitute it.
26851         * configure: Regenerate.
26853 2008-02-19  Jan Hubicka  <jh@suse.cz>
26855         PR rtl-optimization/34408
26856         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
26857         invalid sharing.
26859 2008-02-19  Jan Hubicka  <jh@suse.cz>
26861         PR middle-end/28779
26862         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
26863         call_expr.
26865 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
26867         PR Ada/35186
26868         * config/i386/i386-modes.def: Revert the last DI alignment
26869         change until Ada people can look into it.
26871 2008-02-19  Nick Clifton  <nickc@redhat.com>
26873         * opts.c (print_specific_help): Fix typo in --help text.
26875 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
26877         PR target/35239
26878         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
26879         32-bit inline asm without asm alternatives for host GCC < 3.0.
26881 2008-02-19  Richard Guenther  <rguenther@suse.de>
26883         PR tree-optimization/34989
26884         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
26885         Allow propagation to INDIRECT_REF if we can simplify only.
26887 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26889         * c-common.c (warn_for_collisions_1): Use appropriate option when
26890         warning.
26892 2008-02-19  Nick Clifton  <nickc@redhat.com>
26894         PR other/31349
26895         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
26896         (handle_options): Fix indentation.
26897         (print_filtered_help): If no language-specific options were
26898         displayed tell the user how to list all the options supported by
26899         the language's front-end.
26900         (print_specific_help): Fix indentation and remove duplicate line.
26901         (common_handle_option): Handle the -v option.
26902         For --help enable the display of undocumented options if the -v
26903         switch has been included on the command line.
26904         For --help= check for overlaps in the arguments between the option
26905         classes and the language names and issue a warning when they
26906         cannot be disambiguated.
26907         * c.opt (v): Pass on to the common option handler.
26909 2008-02-19  Revital Eres  <eres@il.ibm.com>
26911         * modulo-sched.c (sms_schedule): Change dump message when
26912         create_ddg function fails.
26913         (try_scheduling_node_in_cycle): Rename row to cycle.
26914         (print_partial_schedule): Rename CYCLE to ROW.
26916 2008-02-19  Christian Bruel  <christian.bruel@st.com>
26917             Zdenek Dvorak  <ook@ucw.cz>
26919         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
26921 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
26923         PR target/33555
26924         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
26925         (*x86_movdicc_0_m1_se): Ditto.
26927 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
26929         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
26930         (CMPtype): Define as __gcc_CMPtype.
26931         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
26932         (CMPtype): Define as __gcc_CMPtype.
26934 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
26936         Support valgrind 3.3 for --enable-checking=valgrind.
26937         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
26938         here.
26939         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
26940         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
26941         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
26942         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
26943         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
26944         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
26945         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
26946         respectively.
26947         * ggc-zone.c: Similar.
26948         * ggc-page.c: Similar.
26950 2008-02-19  Paul Brook  <paul@codesourcery.com>
26952         PR target/35071
26953         * config/arm/ieee754-df.S: Fix do_it typo.
26954         * config/arm/ieee754-sf.S: Fix do_it typo.
26956 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
26958         PR target/35189
26959         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
26960         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
26961         (OPTION_MASK_ISA_SSE_SET): Likewise.
26962         (OPTION_MASK_ISA_SSE2_SET): Likewise.
26963         (OPTION_MASK_ISA_SSE3_SET): Likewise.
26964         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
26965         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
26966         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
26967         (OPTION_MASK_ISA_SSE4_SET): Likewise.
26968         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
26969         (OPTION_MASK_ISA_SSE5_SET): Likewise.
26970         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
26971         (OPTION_MASK_ISA_MMX_UNSET): Updated.
26972         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
26973         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
26974         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
26975         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
26976         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
26977         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
26978         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
26979         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
26980         (OPTION_MASK_ISA_SSE4): Removed.
26981         (ix86_handle_option): Turn on bits in ix86_isa_flags and
26982         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
26983         (override_options): Don't turn on implied SSE/MMX bits in
26984         ix86_isa_flags.
26986 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
26988         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
26989         32bit host.
26991 2008-02-18  Joey Ye  <joey.ye@intel.com>
26993         PR middle-end/34921
26994         * tree-nested.c (insert_field_into_struct): Set type alignment
26995         to field alignment if the former is less than the latter.
26997 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
26999         * BASE-VER: Set to 4.4.0.
27001 2008-02-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27003         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
27004         * doc/cfg.texi: Likewise.
27005         * doc/extend.texi: Likewise.
27006         * doc/gty.texi: Likewise.
27007         * doc/invoke.texi: Likewise.
27008         * doc/loop.texi: Likewise.
27009         * doc/md.texi: Likewise.
27010         * doc/passes.texi: Likewise.
27011         * doc/rtl.texi: Likewise.
27012         * doc/sourcebuild.texi: Likewise.
27013         * doc/tm.texi: Likewise.
27014         * doc/tree-ssa.texi: Likewise.
27016 2008-02-17  Richard Guenther  <rguenther@suse.de>
27018         PR middle-end/35227
27019         * tree-complex.c (init_parameter_lattice_values): Handle parameters
27020         without default definition.
27022 2008-02-17  Richard Guenther  <rguenther@suse.de>
27024         PR tree-optimization/35231
27025         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
27026         if A | B != 1.
27028 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
27030         Revert:
27031         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
27032         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
27033         libgcc_cmp_return mode.
27035 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27037         PR c/28368
27038         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
27040 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
27042         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
27043         multilibs.
27045 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27047         * doc/c-tree.texi: Use `@.' where appropriate.
27048         * doc/extend.texi: Likewise.
27049         * doc/install.texi: Likewise.
27050         * doc/invoke.texi: Likewise.
27051         * doc/loop.texi: Likewise.
27052         * doc/makefile.texi: Likewise.
27053         * doc/md.texi: Likewise.
27054         * doc/passes.texi: Likewise.
27055         * doc/standards.texi: Likewise.
27056         * doc/tm.texi: Likewise.
27058 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
27060         PR middle-end/35196
27061         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
27062         in entry_bb.
27063         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
27064         rather than in entry_bb.
27066 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
27068         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
27069         libgcc_cmp_return mode.
27071 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
27073         PR middle-end/35130
27074         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
27075         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
27077 2008-02-15  Richard Guenther  <rguenther@suse.de>
27078             Zdenek Dvorak  <ook@ucw.cz>
27080         PR tree-optimization/35164
27081         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
27082         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
27083         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
27084         Only propagate addresses which do not have abnormal SSA_NAMEs
27085         in their operands.
27087 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
27089         PR target/35088
27090         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
27092 2008-02-15  Jan Hubicka  <jh@suse.cz>
27094         PR middle-end/35149
27095         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
27097 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
27099         PR middle-end/34621
27100         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
27101         when calculating alignment_pad.
27103 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
27105         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
27106         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
27107         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
27108         and STACK_BOUNDARY define.
27110 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
27112         PR preprocessor/35061
27113         * c-pragma.c (handle_pragma_pop_macro): Check that
27114         pushed_macro_table has been allocated.
27116 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
27118         PR middle-end/35136
27119         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
27120         (force_gimple_operand): Likewise.
27121         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
27122         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
27123         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
27124         (find_interesting_uses_address): Check addressability and alignment
27125         of the base expression only after substituting bases of IVs into it.
27127 2008-02-14  Michael Matz  <matz@suse.de>
27129         PR target/34930
27130         * function.c (instantiate_virtual_regs_in_insn): Reload address
27131         before falling back to reloading the whole operand.
27133 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
27135         * config/s390/s390.c (s390_mainpool_start): Emit the pool
27136         before the first section switch note.
27138 2008-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27140         * doc/bugreport.texi: Update copyright years.
27141         * doc/c-tree.texi: Likewise.
27142         * doc/cfg.texi: Likewise.
27143         * doc/cpp.texi: Likewise.
27144         * doc/cppinternals.texi: Likewise.
27145         * doc/fragments.texi: Likewise.
27146         * doc/frontends.texi: Likewise.
27147         * doc/gcc.texi: Likewise.
27148         * doc/gty.texi: Likewise.
27149         * doc/hostconfig.texi: Likewise.
27150         * doc/implement-c.texi: Likewise.
27151         * doc/libgcc.texi: Likewise.
27152         * doc/loop.texi: Likewise.
27153         * doc/makefile.texi: Likewise.
27154         * doc/options.texi: Likewise.
27155         * doc/passes.texi: Likewise.
27156         * doc/rtl.texi: Likewise.
27157         * doc/sourcebuild.texi: Likewise.
27158         * doc/standards.texi: Likewise.
27159         * doc/tree-ssa.texi: Likewise.
27160         * doc/trouble.texi: Likewise.
27162         * doc/extend.texi: Use @: or add comma where appropriate.
27163         * doc/invoke.texi: Likewise.
27164         * doc/tm.texi: Likewise.
27166 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
27168         PR target/34393
27169         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
27170         to a reg.
27172 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
27174         * doc/md.texi (clz, ctz): Add reference.
27175         * doc/rtl.texi (clz, ctz): Likewise.
27177 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27179         PR other/35148
27180         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
27181         srcdir.
27183 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
27185         * config/s390/s390.c (struct constant_pool): New field
27186         emit_pool_after added.
27187         (s390_mainpool_start): Set the emit_pool_after flag according
27188         to the section switch notes.
27189         (s390_mainpool_finish): Consider emit_pool_after when emitting
27190         the literal pool at the end of the function.
27191         (s390_chunkify_start): Force literal pool splits at section
27192         switch notes.
27194 2008-02-13  Michael Matz  <matz@suse.de>
27196         PR debug/35065
27197         * var-tracking.c (clobber_variable_part): Correctly traverse the
27198         list.
27200 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27202         PR 29673
27203         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
27204         Add -fdump-ipa-inline.
27205         * tree-dump.c (dump_files): Remove tree-inlined dump.
27206         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
27208 2008-02-12  Richard Guenther  <rguenther@suse.de>
27210         PR tree-optimization/35171
27211         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
27212         default defs.
27214 2008-02-12  Richard Guenther  <rguenther@suse.de>
27216         PR middle-end/35163
27217         * fold-const.c (fold_widened_comparison): Use get_unwidened in
27218         value-preserving mode.  Disallow final truncation.
27220 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
27222         PR middle-end/35136
27223         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
27224         code from here to...
27225         (force_gimple_operand): ...here.
27227 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
27229         PR c++/35144
27230         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
27231         non-compatible pointers.
27232         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
27233         different FIELD_DECLs, try harder by comparing field offsets, sizes
27234         and types.
27236         PR inline-asm/35160
27237         * function.c (match_asm_constraints_1): Don't replace the same input
27238         multiple times.
27240 2008-02-12  Anatoly Sokolov  <aesok@post.ru>
27242         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
27243         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
27244         (expand_epilogue): Restore RAMPZ register.
27245         * config/avr/avr.md (RAMPZ_ADDR): New constant.
27247 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
27249         * config/i386/cygwin.asm (__alloca): Correct calling
27250         convention and alignment.
27251         (__chkstk): Force 8 byte stack alignment.
27253 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
27254             Richard Guenther  <rguenther@suse.de>
27256         PR tree-optimization/33992
27257         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
27258         the zero we compare against.
27260 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
27262         PR libfortran/35063
27263         * gthr-win32.h (__gthread_mutex_destroy_function): New function
27264         to CloseHandle after unlocking to prevent accumulation of handle
27265         count.
27267 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27269         PR middle_end/34150
27270         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
27271         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
27272         and update LABEL_NUSES during and after reload.
27274 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
27276         PR middle-end/34627
27277         * combine.c (simplify_if_then_else): Make sure the comparison is
27278         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
27280 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
27282         PR bootstrap/35051
27283         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
27284         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
27285         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
27286         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
27287         * tree.h (get_type_static_bounds): Likewise.
27289 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27291         * doc/invoke.texi (Option Summary, C++ Dialect Options)
27292         (Objective-C and Objective-C++ Dialect Options, Warning Options):
27293         Make -Wfoo language annotations match what the compiler outputs.
27295 2008-02-08  Sa Liu  <saliu@de.ibm.com>
27297         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
27298         intrinsics spu_convts, spu_convtu, spu_convtf.
27300 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
27302         * doc/extend.texi (Function Attributes) <noinline>: Mention
27303         asm ("") as method to keep calls.
27305 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27307         PR other/32754
27308         * doc/options.texi (Options): Replace references to opts.sh with
27309         optc-gen.awk.
27310         * opts-common.c: Likewise.
27311         * optc-gen.awk: Likewise.
27313 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
27315         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
27317 2008-02-07  Richard Henderson  <rth@redhat.com>
27319         PR rtl-opt/33410
27320         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
27321         EXPR_LIST for the REG_EQUAL instead of a comparison with a
27322         funny mode.
27324 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
27326         PR tree-optimization/35085
27327         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
27328         for operand entry oe2 in addition to operand entry oe3 in order to
27329         expose more opportunities for vectorizer sum reduction.
27331 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27333         PR other/35107
27334         * Makefile.in (LIBS): Remove $(GMPLIBS).
27335         (cc1-dummy, cc1): Add $(GMPLIBS).
27337 2008-02-06  Jan Hubicka  <jh@suse.cz>
27339         PR target/23322
27340         * i386.md (moddf_integer): Do not produce partial memory stalls for
27341         targets where it hurts.
27343 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
27345         PR target/35083
27346         * optabs.c (expand_float): Do not check for decimal modes when
27347         expanding unsigned integer through signed conversion.
27349 2008-02-06  Nick Clifton  <nickc@redhat.com>
27351         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
27352         inside the clobber with a match_operand and duplicated operand
27353         number in the constraint.
27354         (ineqbranchsi): Delete redundant comment.
27356 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
27358         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
27359         builtin_define ("__USE_INIT_FINI__").
27360         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
27361         -msx multilibs.
27362         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
27364 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27366         PR documentation/30330
27367         * doc/invoke.texi (C++ Dialect Options)
27368         (Objective-C and Objective-C++ Dialect Options, Warning Options):
27369         For each warning option -Wfoo that allows -Wno-foo, ensure both
27370         -Wfoo and -Wno-foo are listed in the option index.  Fix index
27371         entry of -Wswitch-default, index -Wnormalized= including the
27372         `=', and -Wlarger-than-@var{len} including @var{len}.
27374 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
27376         * config/i386/i386.md (floatunssisf2): Use
27377         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
27378         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
27379         Macroize expander using MODEF mode iterator.
27381 2008-02-05  Diego Novillo  <dnovillo@google.com>
27383         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
27385         PR 33738
27386         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
27388 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27390         PR other/35070
27391         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
27393 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
27395         PR target/35084
27396         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
27397         to indicate if a message should be generated.
27398         (init_cumulative_args): Updated.
27399         (function_value_32): Likewise.
27401 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
27403         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
27405 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
27407         PR target/35083
27408         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
27409         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
27411 2008-02-04  Diego Novillo  <dnovillo@google.com>
27413         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
27415         PR 33738
27416         * tree-vrp.c (vrp_evaluate_conditional): With
27417         -Wtype-limits, emit a warning when comparing against a
27418         constant outside the natural range of OP0's type.
27420 2008-02-04  Richard Guenther  <rguenther@suse.de>
27422         PR middle-end/33631
27423         * expr.c (count_type_elements): Give for unions instead of
27424         guessing.
27426 2008-02-04  Richard Guenther  <rguenther@suse.de>
27428         PR middle-end/35043
27429         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
27430         to TYPE_DOMAINs base type instead of using bitsizetype here.
27432 2008-02-03  Jason Merrill  <jason@redhat.com>
27434         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
27436 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27438         PR other/29972
27439         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
27440         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
27441         (RS/6000 and PowerPC Options): Fix typos and markup.
27442         * doc/passes.texi (Tree-SSA passes): Likewise.
27444 2008-02-02  Michael Matz  <matz@suse.de>
27446         PR target/35045
27447         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
27448         from record_last_reg_set_info.
27449         (record_last_reg_set_info): Take an RTX argument, iterate over all
27450         constituent hardregs.
27451         (record_last_set_info, record_opr_changes): Change calls to
27452         new signature or to record_last_reg_set_info_regno.
27454 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
27456         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
27458 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
27460         PR rtl-optimization/34773
27461         * reg-notes.def (EQUAL): Mention significance of combination of
27462         REG_EQUAL and REG_RETVAL.
27463         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
27464         insn that has a REG_RETVAL.
27466 2008-02-01  Roger Sayle  <roger@eyesopen.com>
27468         PR bootstrap/33781
27469         * configure.ac (--enable-fixed-point): Disable unless explicitly
27470         requested on IRIX.
27471         * configure: Regenerate.
27473 2008-02-01  Richard Guenther  <rguenther@suse.de>
27475         PR other/35042
27476         * invoke.texi (-finline-limit): Remove no longer true parts
27477         of the documentation.  Note that there is no default value.
27479 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
27480             Mark Mitchell  <mark@codesourcery.com>
27481             Ben Elliston  <bje@au.ibm.com>
27483         PR c/29326
27484         * doc/extend.texi (Other Builtins): Document.
27486 2008-01-31  Tom Browder  <tom.browder@gmail.com>
27488         * doc/c-tree.texi (Types): Fix grammar.
27489         (Expression trees): Ditto.
27490         * doc/passes.texi (Tree-SSA passes): Ditto.
27492         * doc/configterms.texi (Configure Terms): Fix typo.
27493         * doc/cpp.texi (Common Predefined Macros): Ditto.
27494         * doc/md.texi (Machine Constraints): Ditto.
27496         * doc/makefile.texi (Makefile): Add comma.
27498 2008-01-31  Tom Browder  <tom.browder@gmail.com>
27499             Gerald Pfeifer  <gerald@pfeifer.com>
27501         * doc/sourcebuild.texi (Front End): Remove references to CVS
27502         and CVSROOT/modules.
27503         (Texinfo Manuals): Replace reference to CVS by one to SVN.
27504         (Back End): Remove reference to CVS.
27506 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
27508         PR target/34900
27509         * config/mips/mips.c (gen_load_const_gp): New function, taking a
27510         comment from...
27511         (mips16_gp_pseudo_reg): ...here.
27512         * config/mips/mips.md (load_const_gp): Replace with...
27513         (load_const_gp_<mode>): ...this :P-based insn.
27515 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
27517         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
27518         options. Minor fixes.
27519         (-std): Move reference to standards closer to where language
27520         standards are first mentioned.
27522 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
27524         PR rtl-optimization/34995
27525         * reload.c (alternative_allows_const_pool_ref): Take an rtx
27526         parameter and return a bool.  If the rtx parameter is nonnull,
27527         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
27528         (find_reloads): Update call accordingly.  Pass the new operand
27529         if it needed no address reloads, otherwise pass null.
27531 2008-01-30  Richard Henderson  <rth@redhat.com>
27533         PR c/34993
27534         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
27535         for unbounded arrays.
27537 2008-01-30  Silvius Rus  <rus@google.com>
27539         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
27541 2008-01-30  Jan Hubicka  <jh@suse.cz>
27543         PR target/34982
27544         * i386.c (init_cumulative_args): Use real function declaration when
27545         calling locally.
27547 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
27549         PR rtl-optimization/34998
27550         * global.c (build_insn_chain): Treat non-subreg_lowpart
27551         SUBREGs of pseudos as clobbering all the words covered by the
27552         SUBREG, not just all the bytes.
27553         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
27554         original df_ref rather than an extract parameter.
27555         (global_conflicts): Update call accordingly.
27557 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
27559         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
27560         the overflow check to make it easier to read.
27561         (__fixtfdi): Change the type of the ll member in union
27562         long_double to UDItype_x.
27564 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
27566         PR middle-end/34969
27567         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
27568         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
27569         * tree-inline.c (fold_marked_statements): Call
27570         cgraph_update_edges_for_call_stmt if folding a call statement.
27571         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
27572         debug_generic_stmt calls, reset it back afterwards.
27574         PR c/35017
27575         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
27576         static decls.
27577         * c-typeck.c (build_external_ref): Don't pedwarn about
27578         static vars in current function's scope.
27580 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
27582         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
27584 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
27586         PR c/35002
27587         * ipa-struct-reorg.c: Fix spelling.
27588         * params.def: Ditto.
27590 2008-01-29  Richard Guenther  <rguenther@suse.de>
27592         PR middle-end/35006
27593         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
27594         field.
27595         * tree-inline.c (remap_type): Increment remapping_type_depth
27596         around remapping types.
27597         (copy_body_r): Only add referenced variables if they are referenced
27598         from code, not types.
27600 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
27602         PR c++/34055
27603         PR c++/34103
27604         PR c++/34219
27605         PR c++/34606
27606         PR c++/34753
27607         PR c++/34754
27608         PR c++/34755
27609         PR c++/34919
27610         PR c++/34961
27611         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
27612         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
27614 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
27616         PR target/34412
27617         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
27618         pointer for tiny stack.
27620 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
27622         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
27624 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
27626         * config/vx-common.h: Fix typo in comment.
27628 2008-01-28  Ian Lance Taylor  <iant@google.com>
27630         PR c++/34862
27631         PR c++/33407
27632         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
27633         coalesce pointers if they have different DECL_NO_TBAA_P values.
27634         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
27635         between variables with different DECL_NO_TBAA_P values.
27637 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
27639         PR 31535
27640         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
27641         are not legitimate small data references on SPE targets.
27643 2008-01-28  David Daney  <ddaney@avtrex.com>
27645         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
27647 2008-01-28  David Daney  <ddaney@avtrex.com>
27649         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
27651 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
27653         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
27654         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
27655         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
27656         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
27657         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
27658         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
27659         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
27660         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
27662 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
27664         * basic-block.h (condjump_equiv_p): Fix comment.
27666 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
27668         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
27669         print_generic_stmt_indented): Fix comment.
27671 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
27673         * configure.ac (__stack_chk_fail): Add detecion for availability
27674         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
27675         * configure: Regenerate.
27677 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
27679         PR middle-end/34688
27680         * final.c (output_addr_const): Handle TRUNCATE.
27682 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
27684         PR target/34711
27685         * tree-ssa-loop-ivopts.c (comp_cost): New type.
27686         (zero_cost, infinite_cost): New constants.
27687         (struct cost_pair): Change type of cost to comp_cost.
27688         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
27689         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
27690         New functions.
27691         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
27692         split_address_cost, ptr_difference_cost, difference_cost,
27693         get_computation_cost_at, get_computation_cost,
27694         determine_use_iv_cost_generic, determine_use_iv_cost_address,
27695         determine_use_iv_cost_condition, determine_use_iv_costs,
27696         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
27697         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
27698         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
27699         Change type of cost to comp_cost.
27700         (determine_iv_cost): Increase cost of non-original ivs, instead
27701         of decreasing the cost of original ones.
27702         (get_address_cost): Indicate the complexity of the addressing mode
27703         in comp_cost.
27704         (try_add_cand_for): Prefer using ivs not specific to some object.
27705         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
27707 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
27708             Janis Johnson  <janis187@us.ibm.com>
27710         PR target/34814
27711         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
27712         (TARGET_INSTANTIATE_DECLS): Likewise.
27713         * target.h (expand_to_rtl_hook): New target hook.
27714         (instantiate_decls): Likewise.
27715         * function.c (instantiate_decl): Make non-static.  Rename to...
27716         (instantiate_decl_rtl): ... this.
27717         (instantiate_expr): Use instantiate_decl_rtl.
27718         (instantiate_decls_1): Likewise.
27719         (instantiate_decls): Likewise.
27720         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
27721         * function.h (instantiate_decl_rtl): Add prototype.
27722         * cfgexpand.c (target.h): New include.
27723         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
27724         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
27725         (TARGET_INSTANTIATE_DECLS): Likewise.
27726         (TARGET_INITIALIZER): New target hooks added.
27727         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
27728         New prototype.
27729         * config/rs6000/rs6000.c (tree-flow.h): New include.
27730         (machine_function): Add sdmode_stack_slot field.
27731         (rs6000_alloc_sdmode_stack_slot): New function.
27732         (rs6000_instantiate_decls): Likewise.
27733         (rs6000_secondary_memory_needed_rtx): Likewise.
27734         (rs6000_check_sdmode): Likewise.
27735         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
27736         (TARGET_INSTANTIATE_DECLS): Likewise.
27737         (rs6000_hard_regno_mode_ok): Allow SDmode.
27738         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
27739         (rs6000_emit_move): Handle SDmode.
27740         (function_arg_advance): Likewise.
27741         (function_arg): Likewise.
27742         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
27743         SDmode var args for 32-bit compiles.
27744         (rs6000_secondary_reload_class): Handle SDmode.
27745         (rs6000_output_function_epilogue): Likewise.
27746         (rs6000_function_value): Simplify if statement.
27747         (rs6000_libcall_value): Likewise.
27748         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
27749         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
27750         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
27751         (movsd_hardfloat): New define_insn.
27752         (movsd_softfloat): Likewise.
27753         (movsd_store): Likewise.
27754         (movsd_load): Likewise.
27755         (extendsddd2): Likewise.
27756         (extendsdtd2): Likewise.
27757         (truncddsd2): Likewise.
27758         (movdd_hardfloat64): Fixup comment.
27759         (UNSPEC_MOVSD_LOAD): New constant.
27760         (UNSPEC_MOVSD_STORE): Likewise.
27762 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
27764         PR c++/34965
27765         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
27766         TRUTH_XOR_EXPR.
27767         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
27768         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
27769         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
27770         and TRUTH_XOR_EXPR.
27772 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
27774         PR target/34794
27775         * config.gcc: Separate AIX 5.3 from AIX 6.1.
27776         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
27777         __LONGDOUBLE128 too.
27778         * config/rs6000/aix61.h: New file.
27780 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
27782         PR rtl-optimization/34959
27783         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
27784         popcount and parity rtxes the same mode as their operand.
27785         Truncate or extend the result to the return value's mode
27786         if necessary.
27788 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
27790         PR target/34981
27791         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
27792         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
27793         to GOT_VERSION_REGNUM.
27794         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
27795         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
27796         * config/mips/mips.c (mips_emit_call_insn): New function.
27797         (mips_call_tls_get_addr): Call mips_expand_call directly.
27798         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
27799         emit_call_insn.
27800         (mips16_build_call_stub): Likewise.  Return the call insn or null.
27801         (mips_expand_call): Update the call to mips16_build_call_stub
27802         accordingly and a remove redundant condition.  Assert that MIPS16
27803         stubs do not use lazy binding.  Use mips_emit_call_insn and return
27804         the call insn.
27805         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
27806         TARGET_USE_GOT.
27807         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
27808         (mips_avoid_hazard): Remove hazard_set handling.
27809         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
27810         (UNSPEC_RESTORE_GP): ...this.
27811         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
27812         (FAKE_CALL_REGNO): Rename to...
27813         (GOT_VERSION_REGNUM): ...this.
27814         (type): Add "ghost" value.  Add an associated insn reservation.
27815         (hazard_set): Remove.
27816         (exception_receiver): Rename to...
27817         (restore_gp): ...this and update the unspec identifier accordingly.
27818         (exception_receiver, nonlocal_got_receiver): New expanders.
27819         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
27820         FAKE_CALL_REGNO.  Remove hazard_set attribute.
27821         (set_got_version, update_got_version): New patterns.
27823 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
27825         PR target/34970
27826         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
27828 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
27830         PR other/31955
27831         * doc/install.texi2html: Generate gcc-vers.texi.
27833 2008-01-25  DJ Delorie  <dj@redhat.com>
27835         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
27837 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
27839         * config/c4x: Remove directory.
27840         * config.gcc (crx-*, mt-*): Mark obsolete.
27841         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
27842         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
27843         sh-*-rtemscoff*): Remove cases.
27844         * defaults.h (C4X_FLOAT_FORMAT): Remove.
27845         * real.c (encode_c4x_single, decode_c4x_single,
27846         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
27847         c4x_extended_format): Remove.
27848         * real.h (c4x_single_format, c4x_extended_format): Remove.
27849         * doc/extend.texi (interrupt, naked): Remove mention of attributes
27850         on C4x.
27851         (Pragmas): Remove comment about c4x pragmas.
27852         * doc/install.texi (c4x): Remove target-specific instructions.
27853         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
27854         * doc/md.texi (Machine Constraints): Remove C4x documentation.
27855         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
27856         refer to C4x source files as examples.
27857         (C4X_FLOAT_FORMAT): Remove documentation.
27859 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
27861         * config/bfin/bfin.c (override_options): Reorder tests so that
27862         flag_pic gets enabled for -msep-data.
27864 2008-01-25  Richard Guenther  <rguenther@suse.de>
27866         PR middle-end/32244
27867         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
27868         to its bitfield precision if required.
27870 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
27872         PR middle-end/33880
27873         * tree-nested.c (walk_omp_for): New function.
27874         (convert_nonlocal_reference, convert_local_reference): Call
27875         walk_omp_for on OMP_FOR.
27876         (convert_call_expr): Call walk_body on OMP_FOR's
27877         OMP_FOR_PRE_INIT_BODY.
27879 2008-01-25  Richard Guenther  <rguenther@suse.de>
27881         PR tree-optimization/34966
27882         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
27883         default defs and PHI_NODEs we have to insert after the
27884         defining statement.
27886 2008-01-24  Nick Clifton  <nickc@redhat.com>
27888         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
27889         Provide a default definition.
27890         (LIBGCC2_UNITS_PER_WORD): Likewise.
27892         * config/stormy16/stormy16.c: Include df.h for the prototype
27893         for df_regs_ever_live_p.
27894         (xstormy16_expand_builtin_va_start): Convert the stack offset
27895         into a component_ref and then use POINTER_PLUS_EXPR to add it
27896         to the incoming_virtual_args_rtx.
27897         (xstormy16_gimplify_va_arg_expr): Rename to
27898         xstormy16_gimplify_va_arg_expr.
27899         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
27900         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
27901         xstormy16_gimplify_va_arg_expr.
27902         Fix up some formatting issues.
27904         * config/stormy16/stormy16.c (xstormy16_carry_plus_operand):
27905         Move to predicates.md.
27906         (xs_hi_general_operand): Likewise.
27907         (xs_hi_nonmemory_operand): Likewise.
27908         * config/stormy16/predicates.md:
27909         (xstormy16_carry_plus_operand): New predicate.
27910         (xs_hi_general_operand): New predicate.
27911         (xs_hi_nonmemory_operand): New predicate.
27912         * config/stormy16/stormy16-protos.h:
27913         (xstormy16_carry_plus_operand): Delete prototype.
27914         (xs_hi_general_operand): Likewise.
27915         (xs_hi_nonmemory_operand): Likewise.
27917         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
27918         modifiers as they are no longer needed and they can trigger
27919         reload spill failures.
27921         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
27922         with a match_operand in order to help reload.
27924         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
27925         constraint with 'e' for the 8th alternative as this version of
27926         the mov.w instruction only accepts the lower 8 registers.
27928 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
27930         PR target/34856
27931         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
27932         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
27933         vector elements.
27935 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
27937         PR middle-end/33333
27938         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
27940 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
27942         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
27943         New functions.
27944         (remove_structure): Update allocations list before removing structure.
27946 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
27948         * ipa-struct-reorg.c (is_safe_cond_expr,
27949         create_new_stmts_for_cond_expr): Use integer_zerop function,
27950         that recognize not only zero-pointer, but zero-integer too.
27952 2008-01-25  Ben Elliston  <bje@au.ibm.com>
27954         PR other/22232
27955         * fixproto: Escape "." in sed expression that strips leading "./".
27957 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
27959         PR driver/34904
27960         * gcc.c (SWITCH_OK): Removed.
27961         (SWITCH_LIVE): Changed to bit.
27962         (SWITCH_FALSE): Likewise.
27963         (SWITCH_IGNORE): Likewise.
27964         (switchstr): Change live_cond to unsigned int.
27965         (process_command): Replace SWITCH_OK with 0.
27966         (do_self_spec): Likewise.
27967         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
27968         (give_switch): Likewise.
27969         (used_arg): Likewise.
27970         (do_spec_1): Set the SWITCH_IGNORE bit.
27971         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
27972         bits.  Set the SWITCH_LIVE bit.
27974 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
27976         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
27978 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
27980         PR tree-optimization/34472
27981         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
27982         parameter to a "bool *" and set *DATA to false if there is
27983         an unsafe access.  Do not delete the structure here.
27984         (check_cond_exprs): Delete it here instead.
27985         (check_cond_exprs, exclude_cold_structs): Do not increase
27986         I when removing a structure.
27988 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
27990         PR target/34856
27991         * config/i386/i386.c (ix86_expand_vector_init): Consider only
27992         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
27994 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
27996         PR middle-end/34934
27997         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
27998         a fixed vector for stack.
28000 2008-01-24  Ben Elliston  <bje@au.ibm.com>
28002         PR c++/25701
28003         * doc/gcc.texi (Software development): Add a direntry for g++.
28005 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
28007         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
28008         stale and straggling -fforce-addr comments above.
28010         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
28011         define.
28012         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
28013         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
28015 2008-01-23  Michael Matz  <matz@suse.de>
28017         PR debug/34895
28018         * dwarf2out.c (force_type_die): Use modified_type_die instead of
28019         gen_type_die.
28021 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
28023         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
28024         malloc result type.
28026 2008-01-23  Anatoly Sokolov  <aesok@post.ru>
28028         * config/avr/avr.c (avr_current_arch): New variable.
28029         (avr_arch_types): Add 'avr31' and 'avr51' entries.
28030         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
28031         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
28032         (avr_override_options): Init 'avr_current_arch'.
28033         (base_arch_s): Move from here...
28034         * config/avr/avr.h (base_arch_s): ... here. Add new members
28035         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
28036         'mega' to 'have_jmp_call'.
28037         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
28038         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
28039         macros.
28040         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
28041         architectures.
28042         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
28043         MULTILIB_MATCHES): Ditto.
28045 2008-01-23  Richard Guenther  <rguenther@suse.de>
28047         PR middle-end/31529
28048         * cgraphunit.c (cgraph_reset_node): Always mark the node
28049         not reachable if it is not queued already.
28051 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
28053         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
28054         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
28055         (cputype_selected): New static variable.
28056         (bfin_handle_option): Set it if -mcpu is used.
28057         (override_option): Select default set of workarounds if no cpu type
28058         selected on the command line.
28059         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
28061         From  Michael Frysinger  <michael.frysinger@analog.com>
28062         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
28063         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
28065         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
28066         for bf547, bf523, bf524, and bf526.
28067         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
28068         bf526.
28069         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
28070         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
28071         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
28072         __ADSPBF547__ and __ADSPBF54x__ for bf547.
28073         * doc/invoke.texi (Blackfin Options): Document that
28074         -mcpu now accept bf547, bf523, bf524, and bf526.
28076 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
28078         PR rtl-optimization/34628
28079         * combine.c (try_combine): Stop and undo after the first combination
28080         if an autoincrement side-effect on the first insn has effectively
28081         been lost.
28083 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
28085         PR target/34529
28086         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
28087         Offset addresses are not valid for Altivec or paired float modes.
28089 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
28091         PR c++/34607
28092         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
28093         if DECL_INITIAL (decl) is error_mark_node.
28095         PR c++/34914
28096         * c-common.c (handle_vector_size_attribute): Only allow
28097         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
28098         the same way as pointer, array etc. types.
28099         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
28101         PR c++/34917
28102         * tree.c (build_type_attribute_qual_variant): Call
28103         build_qualified_type if attributes are equal, but quals are not.
28105 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28107         PR 32102
28108         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
28109         * flags.h (warn_strict_aliasing): Remove.
28110         (warn_strict_overflow): Remove.
28111         * opts.c (warn_strict_aliasing): Remove.
28112         (warn_strict_overflow): Remove.
28113         * c-opts.c (c_common_handle_option): -Wall only sets
28114         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
28115         (c_common_post_options): Give default values to -Wstrict-aliasing
28116         and -Wstrict-overflow if they are uninitialized.
28117         * common.opt (Wstrict-aliasing): Specify Var and Init.
28118         (Wstrict-overflow): Likewise.
28120 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
28122         PR rtl-optimization/26854
28123         PR rtl-optimization/34400
28124         PR rtl-optimization/34884
28125         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
28126         DF_RD->gen.
28127         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
28128         (df_rd_bb_info.expanded_lr_out): Deleted
28129         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
28130         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
28131         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
28132         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
28133         Removed code to allocate, initialize or free expanded_lr_out.
28134         (df_rd_bb_local_compute_process_def): Restructured to make more
28135         understandable.
28136         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
28137         sets if the sets are being trimmed.
28139 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
28141         PR bootstrap/32287
28142         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
28143         (as_vers): Likewise.
28144         * configure: Regenerated.
28146 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28148         PR middle-end/33092
28149         * tree-pass.h (pass_build_alias): New pass.
28150         * tree-ssa-alias.c (gate_build_alias): New.
28151         (pass_build_alias): New.
28152         * passes.c (init_optimization_passes): Add pass_build_alias after
28153         pass_create_structure_vars.
28155 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
28157         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
28158         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
28159         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
28160         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
28161         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
28162         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
28163         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
28164         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
28165         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
28166         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
28167         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
28168         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
28169         * config/s390/s390.md (FP_ALL): New mode iterator.
28170         (_d): New mode attribute.
28171         ("*signbit<mode>2>"): Changed mode of first operand.
28172         ("isinf<mode>2"): Changed mode of first operand.
28173         ("*TDC_insn"): Adaptation for DFP modes.
28175 2008-01-22  Ben Elliston  <bje@au.ibm.com>
28177         * tree.c (check_qualified_type): Improve function description.
28179 2008-01-21  Jason Merrill  <jason@redhat.com>
28181         PR c++/34196
28182         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
28183         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
28184         if it is set.
28186 2008-01-21  DJ Delorie  <dj@redhat.com>
28188         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
28189         return zero.
28191 2008-01-21  Richard Guenther  <rguenther@suse.de>
28193         PR middle-end/34856
28194         * tree-cfg.c (verify_expr): Allow all invariant expressions
28195         instead of just constant class ones as reference argument.
28196         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
28197         like any other constant.
28198         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
28200 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
28202         * regmove.c (fixup_match_1): Update call crossed frequencies.
28204 2008-01-21  Richard Guenther  <rguenther@suse.de>
28206         PR c/34885
28207         * tree-inline.c (setup_one_parameter): Deal with mismatched
28208         types using a VIEW_CONVERT_EXPR.
28210 2008-01-21  Alon Dayan  <alond@il.ibm.com>
28211             Olga Golovanevsky  <olga@il.ibm.com>
28213         PR tree-optimization/34701
28214         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
28215         when the structure size is not a power of 2.
28217 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
28219         * doc/install.texi: Add doc for --enable-checking=df.
28221 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
28223         PR rtl-optimization/34808
28224         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
28226 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
28228         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
28229         input.
28231 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
28233         PR rtl-optimization/26854
28234         PR rtl-optimization/34400
28235         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
28236         DF_RD->gen.
28237         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
28238         (df_rd_bb_info.expanded_lr_out): New.
28239         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
28240         * loop_iv.c (iv_analysis_loop_init): Ditto.
28241         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
28242         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
28243         Added code to allocate, initialize or free expanded_lr_out.
28244         (df_rd_bb_local_compute_process_def): Restructured to make
28245         more understandable.
28246         (df_rd_confluence_n): Add code to do nothing with fake edges and
28247         code to no apply invalidate_by_call sets if the sets are being trimmed.
28248         (df_lr_local_finalize): Renamed to df_lr_finalize.
28249         (df_live_local_finalize): Renamed to df_live_finalize.
28251 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
28253         PR target/34831
28254         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
28255         deciding whether to use reciprocal instructions.
28257 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
28259         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
28260         dwarf2out_note_section_used if cold_text_section is NULL.
28262 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
28264         PR gcov-profile/34610
28265         * tree-cfg.c (make_edges): Mark both outgoing edges from
28266         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
28267         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
28268         from OMP_FOR and OMP_CONTINUE outgoing edges.
28270         * tree-profile.c (tree_profiling): Return early if
28271         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
28272         at the end.
28273         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
28274         from cfun to child_cfun.
28275         * function.h (struct function): Add after_tree_profile bit.
28277 2008-01-19  Anatoly Sokolov  <aesok@post.ru>
28279         * config/avr/avr.S (_exit): Disable interrupt.
28281 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
28282             Steven Bosscher  <stevenb.gcc@gmail.com>
28284         PR rtl-optimization/26854
28285         PR rtl-optimization/34400
28286         * df-problems.c (df_live_scratch): New scratch bitmap.
28287         (df_live_alloc): Allocate df_live_scratch when doing df_live.
28288         (df_live_reset): Clear the proper bitmaps.
28289         (df_live_bb_local_compute): Only process the artificial defs once
28290         since the order is not important.
28291         (df_live_init): Init the df_live sets only with the variables
28292         found live by df_lr.
28293         (df_live_transfer_function): Use the df_lr sets to prune the
28294         df_live sets as they are being computed.
28295         (df_live_free): Free df_live_scratch.
28297 2008-01-18  Ian Lance Taylor  <iant@google.com>
28299         * common.opt: Add fmerge-debug-strings.
28300         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
28301         flag_merge_debug_strings rather than flag_merge_constants.
28302         * doc/invoke.texi (Option Summary): Mention
28303         -fmerge-debug-strings.
28304         (Debugging Options): Document -fmerge-debug-strings.
28306 2008-01-18  Ian Lance Taylor  <iant@google.com>
28308         PR c++/33407
28309         * tree.h (DECL_IS_OPERATOR_NEW): Define.
28310         (struct tree_function_decl): Add new field operator_new_flag.
28311         * tree-inline.c (expand_call_inline): When inlining a call to
28312         operator new, force the return value to go into a variable, and
28313         set DECL_NO_TBAA_P on that variable.
28314         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
28316 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
28318         PR debug/34484
28319         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
28320         DWARF2_DEBUGGING_INFO.
28321         (dwarf2out_note_section_used): Ditto.  Add prototype.
28322         (have_multiple_function_sections, text_section_used,
28323         cold_text_section_used, *cold_text_sections): Move declarations
28324         before their uses.
28326 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
28328         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
28329         field and add signal_ra.
28330         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
28331         assignments to frame state pc.  Move end of stack check after
28332         MD_FALLBACK_FRAME_STATE_FOR.
28333         (uw_update_context_1): Use frame state signal_regs if set, instead
28334         of checking signal_frame flag.
28335         (uw_update_context): Use frame state signal_ra if set.
28336         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
28337         * config/xtensa/linux-unwind.h: New file.
28339 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
28341         * modulo-sched.c (get_sched_window): Fix comment typo.
28343 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
28345         PR tree-optimization/34648
28346         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
28348 2008-01-17  Anatoly Sokolov  <aesok@post.ru>
28350         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
28351         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
28353 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
28355         PR rtl-optimization/34400
28356         * df-core.c (df_worklist_dataflow_overeager,
28357         df_worklist_dataflow_doublequeue): New functions.
28358         (df_worklist_dataflow): Two different worklist solvers.
28359         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
28360         New param.
28362 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
28364         PR testsuite/34821
28365         * doc/invoke.texi: Document the dependence on pthread for fopenmp
28366         and ftree-parallelize-loops.
28368 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
28370         PR rtl-optimization/34826
28371         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
28373 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
28375         * global.c (find_reg): Mark the eh regs as used if necessary.
28376         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
28377         * ra.h (struct allocno): no_eh_reg field added.  Changed
28378         no_stack_reg type to bitfield.
28380 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
28382         * tree.c (substitute_in_expr): Add missing 'break'.
28384 2008-01-17  Richard Guenther  <rguenther@suse.de>
28386         PR tree-optimization/34825
28387         * tree-ssa-math-opts.c (is_division_by): Do not recognize
28388         x / x as division to handle.
28390 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28392         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
28393         "-pthread" is specified.
28394         * pa-hpux11.h (LIB_SPEC): Likewise.
28396 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
28397             Peter Bergner  <bergner@vnet.ibm.com>
28399         PR rtl-optimization/33796
28400         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
28402 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28404         PR libgfortran/34699
28405         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
28406         static links.
28407         * pa-hpux10.h (LINK_SPEC): Likewise.
28408         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
28410 2008-01-16  Richard Guenther  <rguenther@suse.de>
28412         PR middle-end/32628
28413         * fold-const.c (fold_convert_const_int_from_int): Do not
28414         set overflow if that occured only because of a sign extension
28415         change when converting from/to a sizetype with the same
28416         precision and signedness.
28418 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
28420         PR debug/34249
28421         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
28422         location address to the correct place.  Update copyright year.
28424 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
28426         * lambda-code.c (lambda_transform_legal_p): Handle the case of
28427         no dependences in the dependence_relations vector.
28429 2008-01-16  Jan Hubicka  <jh@suse.cz>
28431         PR rtl-optimization/31396
28432         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
28433         * cfg.c (dump_reg_info): Print it.
28434         * regs.h (struct reg_info_t): add freq_calls_crossed.
28435         (REG_FREQ_CALLS_CROSSED): New macro.
28436         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
28437         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
28438         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
28439         regmove_optimize): Update call crossed frequencies.
28440         * local-alloc.c (struct qty): Add freq_calls_crossed.
28441         (alloc_qty): Copute freq_calls_crossed.
28442         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
28443         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
28444         * ra.h (struct allocno): Add freq_calls_crossed.
28446 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
28448         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
28449         libgomp when compiling with ftree-parallelize-loops.
28450         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
28452 2008-01-16  Richard Guenther  <rguenther@suse.de>
28454         PR tree-optimization/34769
28455         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
28456         * tree.c (int_cst_value): Instead make this function more
28457         permissive in what it accepts as valid input.  Document this
28458         function always sign-extends the value.
28460 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
28461             Richard Guenther  <rguenther@suse.de>
28463         PR c/34668
28464         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
28465         (gimple_fold_indirect_ref_rhs): ... this.
28466         (gimple_fold_indirect_ref): New function with foldings
28467         that preserve lvalueness.
28468         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
28469         * tree-flow.h (gimple_fold_indirect_ref): Declare.
28470         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
28471         to fold an INDIRECT_REF, fall back to the old use of
28472         fold_indirect_ref_1.
28474 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
28476         * tree-data-ref.c (subscript_dependence_tester_1): Call
28477         free_conflict_function.
28478         (compute_self_dependence): Same.
28480 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
28482         PR debug/34249
28483         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
28484         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
28485         function global.
28486         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
28487         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
28488         for DWARF2_UNWIND_INFO targets.
28490 2008-01-16  Richard Guenther  <rguenther@suse.de>
28492         PR c/34768
28493         * c-typeck.c (common_pointer_type): Do not merge inconsistent
28494         type qualifiers for function types.
28496 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
28498         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
28499         loop_iterator li from previous commit.
28501 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
28503         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
28505 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
28507         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
28508         (parallelize_loops): Don't parallelize irreducible components.
28510 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28512         PR c++/24924
28513         * c-opts (c_common_post_options): Do not enable CPP
28514         flag_pedantic_errors by default.
28516 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
28518         PR rtl-optimization/31944
28519         * cse.c (remove_pseudo_from_table): New function.
28520         (merge_equiv_classes): Use above function to remove pseudo-registers.
28521         (invalidate): Likewise.
28523 2008-01-13  Richard Guenther  <rguenther@suse.de>
28525         PR middle-end/34601
28526         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
28527         instead of TYPE_MODE to deal with calls from expand_one_error_var.
28529 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
28531         * gcse.c (cprop_jump): Call validate_unshare_change instead of
28532         validate_change to unshare the source of the PC set.
28534 2008-01-12  Jan Hubicka  <jh@suse.cz>
28536         PR middle-end/32135
28537         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
28538         references above array bounds.  This might trigger bounds checks for
28539         pointers to arrays.
28541 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
28543         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
28544         new_replaceable_dependencies.
28546 2008-01-12  Doug Kwan  <dougkwan@google.com>
28548         * c-decl.c (grokdeclarator): Use OPT_Wignored_qualifiers
28549         instead of OPT_Wreturn_type in warning due to ignored return type
28550         qualifiers.
28551         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
28552         options included in -Wextra.
28553         * c.opt: New option -Wignored_qualifiers.
28554         * doc/invoke.texi (Warning Options, -Wextra): Add new option
28555         -Wignore_qualifiers.
28556         (-Wignored-qualifiers): Document.
28557         (-Wreturn-type): Remove description of functionality now handled
28558         by -Wignored-qualifiers.
28560 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
28562         PR ada/33788
28563         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
28564         NOP_EXPR if it is between integral types with the same precision.
28566 2008-01-12  Jan Hubicka  <jh@suse.cz>
28568         PR other/28023
28569         * invoke.texi (max-inline-recursive-depth): Fix default value.
28571 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
28573         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
28574         correct type.
28576 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
28578         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
28580 2008-01-11  James E. Wilson  <wilson@specifix.com>
28582         PR target/26015
28583         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
28585 2008-01-11  Anatoly Sokolov  <aesok@post.ru>
28587         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
28588         save/restore frame pointer register and don't use 'call-prologues'
28589         optimization in function with "OS_task" attribute.
28591 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
28593         PR middle-end/31309
28594         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
28595         when copying to memory.
28597 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
28599         PR rtl-optimization/30905
28600         * cfgcleanup.c: Include dce.h
28601         (crossjumps_occured): New global variable.
28602         (try_crossjump_bb): Exit loop after finding a fallthru edge.
28603         If something changed, set crossjumps_occured to true.
28604         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
28605         Don't add/remove fake edges to exit here...
28606         (cleanup_cfg): ...but do it here, when crossjumping.
28607         Run a fast DCE when successful crossjumps occured in the latest
28608         iteration of try_optimize_cfg.
28610 2008-01-11  Richard Guenther  <rguenther@suse.de>
28612         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
28613         (struct vn_unary_op_s): Likewise.
28614         (vn_reference_insert): Free old reference on hash collision.
28616 2008-01-10  Raksit Ashok  <raksit@google.com>
28618         PR rtl-optimization/27971
28619         * combine.c (find_split_point): Split PLUS expressions which are
28620         inside a MEM rtx, and whose first operand is complex.
28622 2008-01-10  DJ Delorie  <dj@redhat.com>
28624         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
28625         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
28626         (m32c_hard_regno_ok): Call the underlying function.
28628 2008-01-10  Richard Guenther  <rguenther@suse.de>
28630         PR middle-end/34683
28631         * tree-cfg.c (tree_merge_blocks): Do not go through the
28632         full-blown folding and stmt updating path if we just deal
28633         with virtual operands.
28634         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
28635         test for abnormal SSA_NAMEs.
28637 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
28639         PR middle-end/34641
28640         * reload.c (push_reload): Add assertions.  All constants from
28641         reg_equiv_constant should have been used for replacing the respective
28642         pseudo earlier.
28643         (find_reloads_address): Invoke find_reloads_address_part for
28644         constant taken from the reg_equiv_constant array.
28646 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
28648         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
28649         field (valnum) the first in the struct.  Replace bools with
28650         unit bit fields.
28652 2008-01-10  Richard Guenther  <rguenther@suse.de>
28654         PR tree-optimization/34651
28655         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
28656         types and ordering for masking and converting.
28658 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
28660         PR tree-optimization/34017
28661         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
28662         also for PHI_NODE expressions.
28664 2008-01-09  Jan Hubicka  <jh@suse.cz>
28666         PR tree-optimization/34708
28667         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
28668         based on number of case labels.
28669         (init_inline_once): Remove switch_cost.
28670         * tree-inline.h (eni_weights_d): Remove switch_cost.
28672 2008-01-09  Richard Guenther  <rguenther@suse.de>
28673         Andrew Pinski  <andrew_pinski@playstation.sony.com>
28675         PR middle-end/30132
28676         * gimplify.c (gimplify_cond_expr): Do not create an addressable
28677         temporary if an rvalue is ok or an lvalue is not required.
28679 2008-01-09  Richard Guenther  <rguenther@suse.de>
28681         PR middle-end/34458
28682         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
28683         adjust return type.
28685 2008-01-09  Richard Guenther  <rguenther@suse.de>
28687         PR middle-end/34679
28688         * tree.c (host_integerp): Check for sizetype only if the
28689         type is an integer type.
28691 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
28693         PR debug/26364
28694         * opts.c (decode_options): Disable inlining of functions called
28695         once if not in unit-at-a-time mode.
28697 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
28699         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
28701 2008-01-08  Richard Guenther  <rguenther@suse.de>
28703         PR middle-end/31863
28704         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
28705         out early if the result will be unused.
28707 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
28709         PR target/34709
28710         Revert:
28712         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
28713         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
28714         for TARGET_RECIP.
28716 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
28718         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
28719         for vectorization tuned.
28721 2008-01-08  Richard Guenther  <rguenther@suse.de>
28723         PR tree-optimization/34683
28724         * tree-ssa-operands.c (operand_build_cmp): Export.
28725         * tree-ssa-operands.h (operand_build_cmp): Declare.
28726         * tree-vn.c (vuses_compare): Remove.
28727         (sort_vuses): Use operand_build_cmp.
28728         (sort_vuses_heap): Likewise.
28729         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
28730         to re-use old VEC if available.  Do not sort already sorted VUSEs.
28731         (vdefs_to_vec): Do not sort already sorted VDEFs.
28733 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
28735         PR middle-end/34694
28736         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
28738 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
28740         PR target/34702
28741         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
28742         limitations of reciprocal sequences on x86 targets.
28744 2008-01-08  Richard Guenther  <rguenther@suse.de>
28746         PR tree-optimization/34683
28747         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
28749 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
28751         PR target/34622
28752         * config/darwin.c (darwin_mergeable_string_section): Don't use
28753         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
28755 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
28757         PR target/34682
28758         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
28759         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
28760         predicates of op0 and op1 to register_operand.
28761         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
28762         expander using X87MODEF mode iterator.  Change predicates of
28763         op0 and op1 to register_operand.
28764         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
28765         corresponding patterns and macroize using MODEF macro.  Change
28766         predicates of op0 and op1 to register_operand and remove
28767         "m" constraint. Disparage "r" alternative with "!".
28768         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
28769         macroize using X87MODEF macro.  Change predicates of op0 and op1
28770         to register_operand and remove "m" constraint.  Disparage "r"
28771         alternative with "!".
28772         (absneg splitter with memory operands): Remove.
28773         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
28774         patterns and macroize using X87MODEF mode iterator.
28775         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
28776         Change predicate of op1 to register_operand.
28777         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
28778         for memory operands.
28780 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
28782         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
28784 2008-01-07  Richard Guenther  <rguenther@suse.de>
28786         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
28787         fields.
28789 2008-01-07  Richard Guenther  <rguenther@suse.de>
28791         PR tree-optimization/34683
28792         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
28793         VOPs of the needed size to save memory.  Use VEC_quick_push
28794         to save compile-time.
28795         (vdefs_to_vec): Likewise.
28797 2008-01-07  Sa Liu  <saliu@de.ibm.com>
28799         * config/spu/spu.md (divdf3): Genetate inline code for double
28800         division.  The implementation doesn't handle INF or NAN, therefore it
28801         only applies when -ffinite-math-only is given.
28803 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
28805         PR libstdc++/34680
28806         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
28807         * doc/cpp.texi ([Common Predefined Macros]): Document.
28809 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
28811         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
28812         order to use commutative addition instead of subtraction.
28814 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28815             Mircea Namolaru  <namolaru@il.ibm.com>
28816             Vladimir Yanovsky  <yanov@il.ibm.com>
28817             Revital Eres  <eres@il.ibm.com>
28819         PR tree-optimization/34263
28820         * tree-outof-ssa.c (process_single_block_loop_latch,
28821         contains_tree_r): New functions.
28822         (analyze_edges_for_bb): Call process_single_block_loop_latch
28823         function to empty single-basic-block latch block if possible.
28825 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
28827         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
28828         for TARGET_RECIP.
28829         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
28831 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
28833         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
28835 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
28837         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
28839 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
28841         PR tree-optimization/34618
28842         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
28843         flag from T.
28845 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
28847         PR target/34673
28848         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
28849         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
28850         Update copyright year.
28852         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
28853         Update copyright year.
28854         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
28855         using NR fixup.
28857 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
28859         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
28860         edge does not point to current bb before changing need_assert.
28862 2008-01-04  Richard Guenther  <rguenther@suse.de>
28864         PR middle-end/34029
28865         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
28866         for verifying purposes if they are is_gimple_min_invariant.
28868 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
28870         PR tree-optimization/34448
28871         PR tree-optimization/34465
28872         * gimplify.c (gimplify_init_constructor): Add new parameter
28873         notify_temp_creation.  Use it.
28874         (gimplify_modify_expr_rhs): Take volatiles into account when
28875         optimizing constructors.
28876         Do not optimize constructors if gimplify_init_constructor will dump to
28877         memory.
28878         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
28879         * gcc.c-torture/compile/pr34448.c: New.
28881 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
28883         PR gcov-profile/34609
28884         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
28885         return_slot if result is TREE_ADDRESSABLE.
28887 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
28889         * config/mips/mips.md (sqrt_condition): Tweak comment.
28890         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
28892 2008-01-03  Tom Tromey  <tromey@redhat.com>
28894         PR c/34457
28895         * c-common.c (c_type_hash): Handle VLAs.
28897 2008-01-03  Jan Hubicka  <jh@suse.cz>
28899         PR tree-optimization/31081
28900         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
28901         0 when inlining and not inlining to first basic block.
28902         (remap_decl): When var is initialized to 0, don't set default_def.
28903         (expand_call_inline): Set entry_bb.
28904         * tree-inline.h (copy_body_data): Add entry_bb.
28906 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
28908         PR c++/34619
28909         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
28910         before returning.
28912         PR tree-optimization/29484
28913         * tree-inline.c (inline_forbidden_p_2): New function.
28914         (inline_forbidden_p): Disallow inlining if some static var
28915         has an address of a local LABEL_DECL in its initializer.
28916         * doc/extend.texi (Labels as Values): Document &&foo behaviour
28917         vs. inlining.
28919 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
28921         PR tree-optimization/34635
28922         * tree-data-ref.c (add_other_self_distances): Make sure that the
28923         evolution step is constant.
28925 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
28927         PR middle-end/34608
28928         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
28930 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
28932         * tree-sra.c (scalarize_init): Insert the generate_element_init
28933         statements after the generate_element_zero statements.
28935 2008-01-02  Richard Guenther  <rguenther@suse.de>
28937         PR middle-end/34093
28938         PR middle-end/31976
28939         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
28940         for very large number of operands instead of ICEing.
28942 2008-01-02  Arthur Norman  <acn1@cam.ac.uk>
28944         PR target/34013
28945         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
28946         while stack probing.
28948 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
28950         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
28951         in C++0x mode.
28953 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
28955         PR libmudflap/26442
28956         * tree-mudflap.c (mx_register_decls): Guard warning by
28957         !DECL_ARTIFICIAL check.
28959 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
28961         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
28962         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
28963         sse5_perm<mode>): Fix constraints.
28966 Copyright (C) 2008 Free Software Foundation, Inc.
28968 Copying and distribution of this file, with or without modification,
28969 are permitted in any medium without royalty provided the copyright
28970 notice and this notice are preserved.