Fix IA-64 enable-checking glibc ICE.
[official-gcc.git] / gcc / ChangeLog
blobfbc465e35d68f11c7fd6b8aa1b2213c17b875d8f
1 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
3         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4         New options
5         (fprofile-use): Add var flag_profile_use
6         * coverage.c (coverage_begin_output): Do not open a gcno file for output
7         only if -ftest-coverage is set.
8         Do not add getpwd() to gcda file path.
9         (build_gcov_info): Check the new flag 
10         flag_profile_datafile_relative_path.
11         (coverage_init): Use profile_data_prefix.
12         Read profile counter only if flag_profile_use is set.
13         * opts.c (common_handle_option): New option fprofile-use=,
14         fprofile-dir=, fprofile-generate=.
15         * toplev.c (profile_data_prefix): New variable definition.
16         * toplev.h (profile_data_prefix): New declaration.
17         * doc/invoke.tex (Option Summary, Optimization Options):
18         Add new options.
20 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
22         * varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
23         consistently.
25         PR target/35695
26         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
27         * config/ia64/ia64.c (rtx_needs_barrier): Handle
28         UNSPEC_FR_RECIP_APPROX_RES.
29         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
31 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
33         PR c/35750
34         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
36 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
38         PR middle-end/30186
39         * fold-const.c (fold_indirect_ref_1): Support accessing non first
40         element of the vector via a pointer.
42 2008-03-31  Ian Lance Taylor  <iant@google.com>
44         * tlink.c (scan_linker_output): Look for symbol name in single
45         quotes.
47 2008-03-31  Jan Hubicka  <jh@suse.cz>
49         * builtins.c (expand_builtin_setjmp_receiver): Update call of
50         get_arg_pointer_save_area.
51         * expr.c (init_expr): Just clear out rtl.expr.
52         * function.c (free_after_compilation): Clear out whole RTL structure.
53         (get_func_frame_size): Merge into ...
54         (get_frame_size): ... this one.
55         (assign_stack_local_1): Merge into ...
56         (assign_stack_local): ... this one.
57         (expand_function_end): Update call of get_arg_pointer_save_area.
58         (get_art_pointer_save_area): Remove cfun argument.
59         * function.h (emit_status): regno_pointer_align does not need length
60         attribute. Move x_regno_reg_rtx to ...
61         (regno_reg_rtx): ... new global array.
62         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
63         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
64         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
65         (struct varasm_status): Move here from varasm.c
66         (struct rtl_data): New. Move here some fields from struct function.
67         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
68         frame_offset, stack_check_probe_note, arg_pointer_save_area,
69         used_temp_slots avail_temp_slots, temp_slot_level,
70         nonlocal_goto_handler_labels): Update accesstors.
71         (rtl): New global variable.
72         (struct function): Move some fileds to rtl_data.
73         (get_arg_pointer_save_area): Update prototype.
74         * emit-rtl.c (rtl): Declare.
75         (regno_reg_rtx): Declare.
76         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
77         (gen_reg_rtx): Update.
78         (init_virtual_regs): Do not tate emit_status argument.
79         (init_emit): Do not allocate emit.
80         * varasm.c (varasm_statuc): Move to function.h.
81         (n_deferred_constatns): Update accestor.
82         (init_varasm_status): Do not allocate varasm_status.
83         (force_const_mem, get_pool_size, output_constant_pool): Update.
84         * stmt.c (force_label_rtx): Do not use x_ prefixes.
85         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
87 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
89         PR rtl-optimization/35729
90         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
91         references.
93 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
95         PR target/32000
96         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
97         load/store if memory is unaligned.
98         (*movti_rex64): Likewise.
100         * config/i386/predicates.md (misaligned_operand): New.
102 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
104         PR tree-opt/35431
105         * tree-ssa-phiopt.c (conditional_replacement): Return early for
106         complex types.
108 2008-03-31  Jan Beulich  <jbeulich@novell.com>
110         * config/ia64/constraints.md: Add 'j' constraint.
111         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
112         (movdi_internal): Likewise.
114 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
116         PR c/35748
117         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
119 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
121         PR target/35757
122         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
123         proper error message for the third argument on blendpd and
124         blendps.
126         * config/i386/sse.md (blendbits): New.
127         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
129 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
131         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
133 2008-03-30  Richard Guenther  <rguenther@suse.de>
135         PR middle-end/31023
136         * fold-const.c (fold_sign_changed_comparison): Do leave
137         conversions to base-types alone.
139 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
141         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
142         the link register if one altivec register is be saved.
144 2008-03-30  Ben Elliston  <bje@au.ibm.com>
146         * final.c (final_scan_insn): Remove if (0) code.
148 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
150         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
152 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
154         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
155         of V4SFmode to ix86_binary_operator_ok.
157 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
159         * config/i386/i386.c (override_options): Initialize
160         ix86_veclib_handler to ix86_veclibabi_svml when
161         -mveclibabi=svml is used.
162         (ix86_veclibabi_svml): New function for SVML ABI style
163         vectorization support.
164         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
166 2008-03-28  Rafael Espindola  <espindola@google.com>
168         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
169         (tree_binary_nonnegative_warnv_p): Make it public.
170         (tree_single_nonnegative_warnv_p): Make it public.
171         (tree_invalid_nonnegative_warnv_p): Make it public.
172         (tree_unary_nonzero_warnv_p): Make it public.
173         (tree_binary_nonzero_warnv_p): Make it public
174         (tree_single_nonzero_warnv_p): Make it public.
175         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
176         (extract_range_from_binary_expr): Split the expr argument.
177         (extract_range_from_unary_expr): Split the expr argument.
178         (extract_range_from_comparison): Split the expr argument.
179         (extract_range_from_expr): Use the new aux functions.
180         (vrp_evaluate_conditional_warnv): Use
181         vrp_evaluate_conditional_warnv_with_ops.
182         * tree.h (tree_unary_nonzero_warnv_p): Declare.
183         (tree_binary_nonzero_warnv_p): Declare.
184         (tree_single_nonzero_warnv_p): Declare.
185         (tree_expr_nonzero_warnv_p): Declare.
186         (tree_unary_nonnegative_warnv_p): Declare.
187         (tree_binary_nonnegative_warnv_p): Declare.
188         (tree_single_nonnegative_warnv_p): Declare.
189         (tree_invalid_nonnegative_warnv_p): Declare.
191 2008-03-28  Richard Guenther  <rguenther@suse.de>
193         PR tree-optimization/30317
194         PR tree-optimization/30911
195         PR tree-optimization/34793
196         * tree-vrp.c (set_and_canonicalize_value_range): New function.
197         (struct assert_locus_d): New member EXPR.
198         (register_new_assert_for): Add EXPR parameter to support
199         ASSERT_EXPR <name, expr OP limit>.
200         (register_edge_assert_for_1): Adjust callers.
201         (find_assert_locations): Likewise.
202         (process_assert_insertions_for): Build condition from expression.
203         (extract_range_from_assert): Handle ASSERT_EXPRs
204         of the form ASSERT_EXPR <name, expr OP limit>.
205         (register_edge_assert_for_2): New helper registering
206         asserts for comparisons.  Recognize range tests of the form
207         (unsigned)i - CST1 OP CST2.
208         (register_edge_assert_for_1): Use it.
209         (register_edge_assert_for): Likewise.
210         (needs_overflow_infinity): Integer sub-types
211         do not need overflow infinities.
212         (vrp_val_is_max): The extreme values of integer sub-types
213         are those of the base type.
214         (vrp_val_is_min): Likewise.
215         * tree.def (ASSERT_EXPR): Document extra allowed conditional
216         expressions.
218 2008-03-28  Nick Clifton  <nickc@redhat.com>
220         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
221         Return GENERAL_REGS for stack adjustment reloads.
223 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
225         PR target/31334
226         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
227         const_vector when all the vectors are constant.
229 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
231         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
232         comparisons.
233         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
234         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
235         (scc_sf): New.
236         (s<code>_sf): Use new scc_sf attribute for opcode names.
238 2008-03-27  Tom Tromey  <tromey@redhat.com>
240         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
241         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
242         config/spu/t-spu-elf, config/i386/t-interix,
243         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
244         config/i386/x-darwin, config/i386/x-mingw32,
245         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
246         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
247         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
248         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
249         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
250         config/rs6000/x-darwin, config/rs6000/t-rs6000,
251         config/score/t-score-elf, config/arm/t-strongarm-pe,
252         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
253         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
254         Revert automatic dependency patch.
256 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
258         PR target/35657
259         * config/i386/i386.c (ix86_function_arg_boundary): Align
260         decimal floating point to its natural boundary.
262 2008-03-27  Richard Guenther  <rguenther@suse.de>
264         PR middle-end/35716
265         * fold-const.c (fold_comparison): Restrict distinct decl
266         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
267         solely rely on operand_equal_p.
269 2008-03-27  Richard Guenther  <rguenther@suse.de>
271         PR c/32511
272         * c-common.c (handle_weak_attribute): Reject combination of
273         weak and inline.
275 2008-03-27  Richard Guenther  <rguenther@suse.de>
277         PR tree-optimization/32810
278         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
279         conversions from DECL_INITIAL.
280         (fold_const_aggregate_ref): Likewise from constructor elements.
282 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
284         * tree-affine.h (aff_combination_expand): Declare.
285         (get_inner_reference_aff): Likewise.
286         * tree-affine.c (aff_combination_expand): Split out from
287         tree_to_aff_combination_expand.
288         (get_inner_reference_aff): New function.
289         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
290         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
291         (struct lim_aux_data): sm_done field removed.
292         (mem_ref_loc_p, mem_ref_locs_p): New types.
293         (struct mem_ref): Added id, stored, accesses_in_loop,
294         indep_loop, dep_loop, indep_ref, dep_ref fields.
295         Removed is_stored, locs and next fields.
296         (memory_accesses): New variable.
297         (movement_possibility): Do not allow moving statements
298         that store to memory.
299         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
300         New functions.
301         (determine_max_movement): For statements with memory references,
302         find the outermost loop in that the reference is independent.
303         (move_computations_stmt): Mark the virtual operands for renaming.
304         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
305         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
306         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
307         add_vop_ref_mapping, create_vop_ref_mapping_loop,
308         create_vop_ref_mapping, analyze_memory_references,
309         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
310         get_all_locs_in_loop, ref_always_accessed_p,
311         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
312         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
313         store_motion_loop, store_motion): New functions.
314         (struct vop_to_refs_elt): New type.
315         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
316         memref_hash, memref_eq, hoist_memory_references): Rewritten.
317         (schedule_sm): Replaced by...
318         (execute_sm): ... this.
319         (determine_lsm_ref, hoist_memory_references,
320         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
321         find_more_ref_vops, free_mem_ref, free_mem_refs,
322         determine_lsm_loop, determine_lsm): Removed.
323         (tree_ssa_lim_finalize): Free data structures used by store motion.
324         (tree_ssa_lim): Call analyze_memory_references.  Use
325         store_motion instead of determine_lsm.
327 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
329         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
330         rename tmake_file to m68hc11/t-m68hc11.
331         (mcore): Set inhibit_libc to true.
332         * config.host (alpha*-dec-*vms*): Set extra_programs.
333         (interix3*): Don't use host_xmake_file.
334         * configure.ac: Let config.gcc override inhibit_libc.
335         * configure: Regenerate.
337         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
338         * config/t-openbsd-thread: Remove commented out lines.
339         
340         * config/x-interix: Remove.
342         * config/m68hc11/t-m68hc11-gas: Rename to...
343         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
345         * config/mcore/t-mcore: Remove T_CFLAGS.
346         * config/mcore/t-mcore-pe: Likewise.
348 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
350         * configure.ac: Replace custom __GNU_SOURCE test with
351         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
352         * aclocal.m4: Regenerate.
353         * configure: Regenerate.
354         * config.in: Regenerate.
356 2008-03-27  Richard Guenther  <rguenther@suse.de>
358         * fold-const.c (target.h): Include.
359         (fold_comparison): Fold comparison of addresses of decls
360         that bind locally or of constants.  Consolidate address folding code.
361         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
362         results from fold_binary_to_constant.
363         (compare_values_warnv): Likewise.
365 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
367         PR middle-end/35429
368         * fold-const.c (fold_truthop): Check for integeral types when folding
369         a == 0 && b == 0 and a != 0 || b != 0 .
371 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
373         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
375 2008-03-26  Andreas Schwab  <schwab@suse.de>
377         * doc/invoke.texi: Fix use of @item vs. @itemx.
379 2008-03-26  Tom Tromey  <tromey@redhat.com>
381         * Makefile.in (build/gensupport.o, build/print-rtl.o,
382         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
383         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
384         build/gencodes.o, build/genconditions.o, build/genconfig.o,
385         build/genconstants.o, build/genemit.o, build/genextract.o,
386         build/genflags.o, build/genmddeps.o, build/genopinit.o,
387         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
388         options.h.
390 2008-03-26  Richard Guenther  <rguenther@suse.de>
392         Revert
393         2008-03-26  Richard Guenther  <rguenther@suse.de>
395         * fold-const.c (target.h): Include.
396         (fold_comparison): Fold comparison of addresses of two decls
397         that bind locally.  Consolidate address folding code.
399 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
401         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
402         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
403         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
404         dconstsqrt2, dconstthird, dconste and/or dconst10.
405         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
406         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
407         dconstsqrt2, dconste): Delete.
408         (init_emit_once): Likewise.  Simplify initializing dconstm1.
409         Constify variable.
410         * real.c (get_real_const): New.
411         * real.h (dconst3, dconst10, dconstm2, dconstthird,
412         dconstsqrt2, dconste): Delete.
413         (real_value_const, get_real_const): New.
415 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
417         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
419         * config/i386/i386.c (ix86_function_arg_boundary): Check
420         BIGGEST_ALIGNMENT instead of 128.
421         (setup_incoming_varargs_64): Likewise.
423 2008-03-26  Tom Tromey  <tromey@redhat.com>
425         * Makefile.in (DEPFILES): Add missing '/'.
427 2008-03-26  Richard Guenther  <rguenther@suse.de>
429         * fold-const.c (target.h): Include.
430         (fold_comparison): Fold comparison of addresses of two decls
431         that bind locally.  Consolidate address folding code.
433 2008-03-26  Nick Clifton  <nickc@redhat.com>
435         PR target/31232
436         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
437         not allow INT+INT as a legitimate addressing mode.
439 2008-03-26  Richard Guenther  <rguenther@suse.de>
441         * tree-flow.h (widen_bitfield): Remove declaration.
442         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
443         (widen_bitfield): Remove function.
444         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
445         code.
447 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
449         PR target/31558
450         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
451         error_mark_node's.
453 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
455         PR rtl-optimization/35232
456         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
457         (forget_old_reloads_1, forget_marked_reloads): Don't clear
458         reg_reloaded_call_part_clobbered here.
459         (reload_regs_reach_end_p): New function.
460         (reload_reg_rtx_for_input): New variable.
461         (reload_reg_rtx_for_output): Likewise.
462         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
463         when reassigning a pseudo register.  Load reloadreg from 
464         reload_reg_rtx_for_input, moving the mode and register
465         calculation to...
466         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
467         instead of the original when deciding whether an input reload
468         would be a no-op or whether an output reload can be deleted.
469         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
470         when setting up new_spill_reg_store.  Load it from
471         reload_reg_rtx_for_output, moving the mode and register
472         calculation to...
473         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
474         instead of the original when deciding whether an output reload
475         would be a no-op.  Do the same when modifying insn notes.
476         Use rtx_equal_p instead of == to compare the registers.
477         (inherit_piecemeal_p): Take a mode and two register numbers
478         as argument.
479         (emit_reload_insns): Clear new_spill_reg_store for every hard
480         register in the reload register.  Remove spill registers
481         from reg_reloaded_valid before considering whether to record
482         inheritance information for them.  Use reload_reg_rtx_for_output
483         instead of reg_rtx when recording output reloads.  Use
484         reload_reg_rtx_for_input instead of reg_rtx when recording
485         input reloads.  Set or clear reg_reloaded_call_part_clobbered
486         at the same time as setting reg_reloaded_valid.
487         (delete_output_reload): Add a new_reload_reg parameter and use it
488         instead of rld[j].reg_rtx.
489         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
490         calls accordingly.
492 2008-03-25  Tom Tromey  <tromey@redhat.com>
494         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
495         (build/genattr.o): Likewise.
496         (build/genattrtab.o): Likewise.
497         (build/gencodes.o): Likewise.
498         (build/genconfig.o): Likewise.
499         (build/genconstants.o): Likewise.
500         (build/genemit.o): Likewise.
501         (build/genextract.o): Likewise.
502         (build/genflags.o): Likewise.
504 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
505         
506         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
507         instead of size_int for integer types.
508         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
509         to match type of MINUS_EXPR.
510         
511 2008-03-25  Tom Tromey  <tromey@redhat.com>
513         * configure: Rebuilt.
514         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
515         Makefile.
517 2008-03-25  Tom Tromey  <tromey@redhat.com>
519         * config/x-solaris (host-solaris.o): Update.
520         * config/x-linux (host-linux.o): Update.
521         * config/x-hpux (host-hpux.o): Update.
522         * config/x-darwin (host-darwin.o): Update.
523         * config/v850/t-v850e (v850-c.o): Update.
524         * config/v850/t-v850 (v850-c.o): Update.
525         * config/t-vxworks (vxworks.o): Update.
526         * config/t-sol2 (sol2-c.o, sol2.o): Update.
527         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
528         * config/spu/t-spu-elf (spu-c.o): Update.
529         (spu.o): Remove.
530         * config/sh/t-symbian (sh-c.o): Update.
531         (symbian.o): Update.
532         * config/sh/t-sh (sh-c.o): Update.
533         * config/score/t-score-elf (score7.o, score3.o): Update.
534         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
535         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
536         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
537         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
538         (rs6000.o): Remove.
539         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
540         * config/m32c/t-m32c (m32c-pragma.o): Update.
541         * config/ia64/t-ia64 (ia64-c.o): Update.
542         * config/i386/x-mingw32 (host-mingw32.o): Update.
543         * config/i386/x-i386 (driver-i386.o): Update.
544         * config/i386/x-darwin (host-i386-darwin.o): Update.
545         * config/i386/x-cygwin (host-cygwin.o): Update.
546         * config/i386/t-nwld (nwld.o): Update.
547         * config/i386/t-netware (netware.o): Update.
548         * config/i386/t-interix (winnt.o): Update.
549         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
550         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
551         msformat-c.o): Update.
552         * config/bfin/t-bfin-linux (generated_files): Add
553         linux-sysroot-suffix.h.
554         * config/arm/t-wince-pe (pe.o): Update.
555         * config/arm/t-strongarm-pe (pe.o): Update.
556         * config/arm/t-pe (pe.o): Update.
557         * config/arm/t-arm (arm-c.o): Update.
558         * doc/install.texi (Prerequisites): Require make 3.80.
559         * Makefile.in: Remove .o targets.
560         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
561         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
562         (simple_generated_h, simple_generated_c): Move earlier.
563         (generated_files): New variable.
564         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
565         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
566         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
567         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
568         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
569         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
570         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
571         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
572         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
573         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
574         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
575         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
576         (.c.o): Remove.
577         (COMPILE.base, COMPILE): New variables.
578         (%.o): New pattern rule.
579         (ALL_HOST_OBJS): New variable.
580         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
581         (dummy-checksum.o, cc1-checksum.o): Remove.
582         (DRIVER_SHLIB): New variable.
583         (DRIVER_DEFINES): Use it.
584         (gencondmd.c): Move out of build/.
585         (s-conditions): Update.
586         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
587         (ALL_BUILD_OBJS): Likewise.
588         (build/%.o): Use BUILDCOMPILE.
589         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
590         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
591         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
592         build/gencheck.o, build/gencodes.o, build/genconditions.o,
593         build/genconfig.o, build/genconstants.o, build/genemit.o,
594         build/genextract.o, build/genflags.o, build/genmddeps.o,
595         build/genopinit.o, build/genoutput.o, build/genpeep.o,
596         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
597         build/gen-protos.o, build/scan.o, build/fix-header.o,
598         build/scan-decls.o): Simplify.
599         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
600         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
601         prefix.o, toplev.o): Reduce to variable setting.
602         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
603         ($(out_object_file), gcc-options.o): New targets.
604         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
605         * configure: Rebuilt.
606         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
607         * doc/sourcebuild.texi (Front End Directory): Document new variable.
609 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
611         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
612         complain when we hit an error, return ERROR_MARK_NODE.
614 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
616         * config/sh/constraints.md (Pso, Psz): New constraints.
617         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
618         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
620 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
622         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
623         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
625 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
627         * config/sh/sh.md (prefetch): Add condition for SH2A target.
628         (prefetch_sh2a): New.   
630 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
631             Naveen.H.S  <naveen.hs@kpitcummins.com>
633         * config/sh/constraints.md (I28): New constraint.
634         * config/sh/sh.c (broken_move): Add support for movi20s.
635         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
637 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
638             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
639             Naveen.H.S  <naveen.hs@kpitcummins.com>
641         * config/sh/sh.c (SH_ATTRIBUTES): Define.
642         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
643         (print_operand): Handle resbank in %@ operand code.
644         (sh_encode_section_info): New.
645         (push_regs): Add conditions for resbank.
646         (sh_expand_epilogue): Likewise.
647         (sh_insert_attributes): Likewise.
648         (sh_attribute_table): Likewise.
649         (sh_handle_resbank_handler_attribute): New.
650         (sh2a_handle_function_vector_handler_attribute): New.
651         (sh2a_is_function_vector_call): New.
652         (sh2a_get_function_vector_number): New.
653         (sh2a_function_vector_p): New.
654         (sh_cfun_resbank_handler_p): New.
655         * config/sh/sh.md (calli): Emit jsr/n if possible.
656         (calli_tbr_rel): New.
657         (calli_pcrel): Emit jsr/n if possible.
658         (return_i): Emit rts/n if possible.
659         (call_valuei_tbr_rel): New.
660         (call_valuei_pcrel): Add condition for SH2A target.
661         (call_value): Likewise.
662         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
663         (sh2a_get_function_vector_number): Likewise.
664         (sh2a_is_function_vector_call): Likewise.
665         * doc/extend.texi: Document TBR relative addressing of SH2A.
666         (resbank): Add description for SH2A.
668 2008-03-24  Richard Guenther  <rguenther@suse.de>
670         PR c/22371
671         * gimplify.c (gimplify_modify_expr): For frontend type-correct
672         pointer assignments change conversions according to middle-end rules.
673         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
674         * configure.ac: Include type checking in yes.
675         * configure: Regenerate.
677 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
679         * diagnostic.c (diagnostic_count_diagnostic): Delete.
680         (diagnostic_report_diagnostic): Update. Handle ICEs here.
681         
682 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
684         * gthr-vxworks.h (UNUSED): Define.
686 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
688         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
690 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
692         * doc/extend.texi (Function Attributes): Add missing comma in the
693         example of the "alloc_size" attribute.
694         
695 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
697         Revert:
698         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
700         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
701         32bit host.
703         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
705         PR target/35496
706         * stor-layout.c (update_alignment_for_field): Set minimum alignment
707         of the underlying type of a MS bitfield layout to the natural
708         alignment of the type.
710         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
712         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
713         to their natural alignment to avoid store forwarding stalls.
715 2008-03-22  Richard Guenther  <rguenther@suse.de>
717         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
718         For PHI nodes verify the address is invariant.
719         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
720         (get_symbol_constant_value): Use is_gimple_min_invariant.
721         (maybe_fold_stmt_indirect): Likewise.
723 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
725         PR rtl-optimization/33927
726         * Makefile.in (dse.o): Depend on $(TM_P_H).
727         * expr.h (extract_low_bits): Declare.
728         * expmed.c (extract_low_bits): New function.
729         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
730         * dse.c: Include tm_p.h.
731         (find_shift_sequence): Remove the read_reg argument and return the
732         read value.  Emit the instructions instead of returning them.
733         Iterate on new_mode rather than calculating it each time.
734         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
735         source to NEW_MODE and extract_low_bits to convert the shifted
736         value to READ_MODE.
737         (replace_read): Allow the load and store to have different mode
738         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
739         or extraction instructions before trying the replacement.  Update
740         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
742 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
744         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
745         to their natural alignment to avoid store forwarding stalls.
747 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
749         PR target/27946
750         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
751         encouraging but not allowing gprs for input;
752         change the input constraint to !f#r.
753         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
754         gprs for output;
755         change the output constraint to !f#r.
757 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
759         PR target/13958
760         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
761         corresponding post-reload splitters.
762         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
763         when x87 FP math is selected.
764         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
765         New function prototype.
766         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
767         unreachable function to ease macroization of insn patterns.
769 2008-03-21  Martin Jambor  <mjambor@suse.cz>
771         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
772         reference dumps if ddr is NULL or dependence is unknown.
774 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
776         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
777         unsigned extension into account.
778         (ATOMIC_COMPARE_AND_SWAP): Likewise.
779         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
780         Do computations on a scratch register.
782 2008-03-21  Richard Guenther  <rguenther@suse.de>
784         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
785         Use is_gimple_min_invariant instead of TREE_INVARIANT.
786         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
787         * tree-ssa-dom.c (record_equality): Likewise.
788         * tree-inline.c (copy_body_r): Likewise.
789         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
790         TREE_INVARIANT.
792 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
794         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
795         as 'delete_unused' argument.
797 2008-03-20  Richard Guenther  <rguenther@suse.de>
799         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
800         special casing of constant qualifiers.
801         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
802         care about them in general.
803         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
804         regardless of their type.
805         (fold_stmt_r): Forcefully fold *& if we end up with that.
807 2008-03-20  Paul Brook  <paul@codesourcery.com>
809         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
810         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
811         linker flags.
812         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
813         definition.
814         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
815         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
817 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
819         * common.opt (Wmudflap): New option.
820         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
821         (mx_register_decls): Likewise.
822         (mudflap_finish_file): Likewise.
823         * doc/invoke.texi: Document -Wno-mudflap.
825 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
827         * c-format.c (replace_format_name_to_system_name): New.
828         (cmp_attribs): New.
829         (convert_format_name_to_system_name): New.
830         (decode_format_attr): Add use of convert_format_name_to_system_name.
831         (format_types_orig): Add gnu_ prefix to names.
832         (check_format_info_main): Special treating of \0 escaped names for
833         supporting multi-character format specifiers as I32, I64.
834         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
835         (gnu_target_overrides_format_attributes): New.
836         * c-format.h: Add structure target_ovr_attr to hold
837         system specific formatter names.
838         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
839         msformat-c.o file to c_target_objs and cxx_target_objs.
840         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
841         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
842         (TARGET_N_FORMAT_TYPES): New.
843         * config/i386/msformat-c.c: New.
844         * config/i386/t-cygming: Add build rule for msformat-c.o.
845         * doc/extend.texi: Add new format names gnu_* and ms_* and
846         further details.
847         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
849 2008-03-20  Ira Rosen  <irar@il.ibm.com>
851         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
852         optimizations turned on under -O3.
853         (ftree-vectorize): Add that the flag is turned on with -O3.
855 2008-03-20  Ben Elliston  <bje@au.ibm.com>
857         * regmove.c (try_auto_increment): Fix spelling error in comment.
858         * final.c (final_scan_insn): Likewise.
860 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
862         PR target/14552
863         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
864         allocator preferences for "y" and "r" class registers.
865         ("*mov<mode>_internal"): Ditto.
866         ("*movv2sf_internal_rex64"): Ditto.
867         ("*movv2sf_internal"): Ditto.
869 2008-03-19  Michael Matz  <matz@suse.de>
871         PR middle-end/35616
872         * calls.c (expand_call): Check overlap of arguments with call
873         address for sibcalls.
875 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
877         PR target/35496
878         * stor-layout.c (update_alignment_for_field): Set minimum alignment
879         of the underlying type of a MS bitfield layout to the natural
880         alignment of the type.
882 2008-03-19  Jan Hubicka  <jh@suse.cz>
884         PR other/35094
885         * toplev.c (decode_d_option): Handle all CPP flags.
886         * tree-vrp.c: Update tree_pass descriptors.
887         * regrename.c: Update tree_pass descriptors.
888         * fwprop.c: Update tree_pass descriptors.
889         * doc/invoke.texi: Remove documentation of dropped -d? flags.
890         * tree-into-ssa.c: Update tree_pass descriptors.
891         * tree-dump.c: Update tree_pass descriptors.
892         * tree-complex.c: Update tree_pass descriptors.
893         * tree-dump.h: Update tree_pass descriptors.
894         * see.c: Update tree_pass descriptors.
895         * cgraphbuild.c: Update tree_pass descriptors.
896         * tracer.c: Update tree_pass descriptors.
897         * tree-loop-distribution.c: Update tree_pass descriptors.
898         * cgraph.c: Update tree_pass descriptors.
899         * postreload-gcse.c: Update tree_pass descriptors.
900         * postreload.c: Update tree_pass descriptors.
901         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
902         * tree-tailcall.c: Update tree_pass descriptors.
903         * tree-pass.h (tree_opt_pass): Rename to ...
904         (opt_pass) ... this one; add "type" field and remove letter field.
905         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
906         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
907         all_lowering_passes): Update declaration.
908         * ipa-cp.c: Update tree_pass descriptors.
909         * final.c: Update tree_pass descriptors.
910         * omp-low.c: Update tree_pass descriptors.
911         * tree-ssa-dse.c: Update tree_pass descriptors.
912         * ipa-reference.c: Update tree_pass descriptors.
913         * tree-ssa-uncprop.c: Update tree_pass descriptors.
914         * auto-inc-dec.c: Update tree_pass descriptors.
915         * reorg.c: Update tree_pass descriptors.
916         * cgraphunit.c: Update tree_pass descriptors.
917         * tree-ssa-copyrename.c: Update tree_pass descriptors.
918         * tree-ssa-ccp.c: Update tree_pass descriptors.
919         * df-core.c: Update tree_pass descriptors.
920         * mode-switching.c: Update tree_pass descriptors.
921         * tree-nomudflap.c: Update tree_pass descriptors.
922         * modulo-sched.c: Update tree_pass descriptors.
923         * ipa-pure-const.c: Update tree_pass descriptors.
924         * cse.c: Update tree_pass descriptors.
925         * web.c: Update tree_pass descriptors.
926         * tree-stdarg.c: Update tree_pass descriptors.
927         * tree-ssa-math-opts.c: Update tree_pass descriptors.
928         * tree-ssa-dom.c: Update tree_pass descriptors.
929         * tree-nrv.c: Update tree_pass descriptors.
930         * tree-ssa-alias.c: Update tree_pass descriptors.
931         * loop-init.c: Update tree_pass descriptors.
932         * gimple-low.c: Update tree_pass descriptors.
933         * ipa-inline.c: Update tree_pass descriptors.
934         * tree-ssa-sink.c: Update tree_pass descriptors.
935         * global.c: Update tree_pass descriptors.
936         * ifcvt.c: Update tree_pass descriptors.
937         * jump.c: Update tree_pass descriptors.
938         * predict.c: Update tree_pass descriptors.
939         * tree-ssa-loop.c: Update tree_pass descriptors.
940         * recog.c: Update tree_pass descriptors.
941         * dse.c: Update tree_pass descriptors.
942         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
943         * tree-eh.c: Update tree_pass descriptors.
944         * regmove.c: Update tree_pass descriptors.
945         * local-alloc.c
946         * function.c: Update tree_pass descriptors.
947         * tree-vectorizer.c: Update tree_pass descriptors.
948         * gcse.c: Update tree_pass descriptors.
949         * ipa-type-escape.c: Update tree_pass descriptors.
950         * tree-if-conv.c: Update tree_pass descriptors.
951         * init-regs.c: Update tree_pass descriptors.
952         * ipa.c: Update tree_pass descriptors.
953         * tree-ssa-phiopt.c: Update tree_pass descriptors.
954         * rtl-factoring.c: Update tree_pass descriptors.
955         * lower-subreg.c: Update tree_pass descriptors.
956         * bt-load.c: Update tree_pass descriptors.
957         * tree-dfa.c: Update tree_pass descriptors.
958         * except.c: Update tree_pass descriptors.
959         * emit-rtl.c: Update tree_pass descriptors.
960         * cfgexpand.c: Update tree_pass descriptors.
961         * tree-cfgcleanup.c: Update tree_pass descriptors.
962         * cfgcleanup.c: Update tree_pass descriptors.
963         * tree-ssa-pre.c: Update tree_pass descriptors.
964         * tree-sra.c: Update tree_pass descriptors.
965         * tree-mudflap.c: Update tree_pass descriptors.
966         * tree-ssa-copy.c: Update tree_pass descriptors.
967         * cfglayout.c: Update tree_pass descriptors.
968         * tree-ssa-forwprop.c: Update tree_pass descriptors.
969         * tree-ssa-dce.c: Update tree_pass descriptors.
970         * tree-ssa.c: Update tree_pass descriptors.
971         * regclass.c: Update tree_pass descriptors.
972         * integrate.c: Update tree_pass descriptors.
973         * tree-optimize.c: Update tree_pass descriptors.
974         * tree-ssa-phiprop.c: Update tree_pass descriptors.
975         * tree-object-size.c: Update tree_pass descriptors.
976         * combine.c: Update tree_pass descriptors.
977         * tree-outof-ssa.c: Update tree_pass descriptors.
978         * bb-reorder.c: Update tree_pass descriptors.
979         * stack-ptr-mod.c: Update tree_pass descriptors.
980         * var-tracking.c: Update tree_pass descriptors.
981         * tree-profile.c: Update tree_pass descriptors.
982         * tree-vect-generic.c: Update tree_pass descriptors.
983         * reg-stack.c: Update tree_pass descriptors.
984         * sched-rgn.c: Update tree_pass descriptors.
985         * tree-ssa-structalias.c: Update tree_pass descriptors.
986         * tree-cfg.c: Update tree_pass descriptors.
987         * passes.c (current_pass): Update declaration.
988         (finish_optimization_passes): Update.
989         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
990         (register_one_dump_file, register_dump_files_1, next_pass_1):
991         Update arguments.
992         (init_optimization_passes): Update handling of new types.
993         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
994         * ipa-struct-reorg.c: Update tree_pass descriptors.
995         * tree-ssa-reassoc.c: Update tree_pass descriptors.
996         * combine-stack-adj.c: Update tree_pass descriptors.
997         * cfgrtl.c: Update tree_pass descriptors.
998         * dce.c: Update tree_pass descriptors.
999         * tree-ssanames.c: Update tree_pass descriptors.
1001 2008-03-19  Richard Guenther  <rguenther@suse.de>
1003         PR middle-end/35609
1004         * tree-ssa.c (walk_data): New structure.
1005         (warn_uninitialized_var): If not always_executed warn with "maybe"
1006         instead of "is".
1007         (execute_early_warn_uninitialized): Compute post-dominators.
1008         Initialize always_executed before processing each basic block.
1010 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1012         PR target/35504
1013         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1014         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1016 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1018         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1020 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1022         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1023         is true.
1024         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1025         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1026         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1027         target after ignore has been set, and move there also the commputation
1028         of subtarget and original_target.
1029         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1030         (LANG_HOOKS_INITIALIZER): Remove it.
1031         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1033 2008-03-18  Richard Guenther  <rguenther@suse.de>
1035         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1036         found an expression with constants, note that in the VN for the lhs.
1037         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1038         fold them to constants if possible.  Run cleanup_cfg if done so.
1039         (execute_pre): Return todo.
1040         (do_pre): Likewise.
1041         (execute_fre): Likewise.
1042         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1043         of constants.
1044         (get_prop_source_stmt): Look through pointer conversions.
1046 2008-03-18  Jan Hubicka  <jh@suse.cz>
1048         * tree-pretty-print.c: Include predict.h.
1049         (dump_generic_node): Dump predictor.
1050         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1051         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1052         * gimple-low.c (lower_stmt): Likewise.
1053         * expr.c (expand_expr_real): Likewise.
1054         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1055         them.
1056         (build_predict_expr, build_predict_expr): New.
1057         * predict.h (predictor_name, build_predict_expr): Update.
1058         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1059         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1060         * predict.def (PRED_CONTINUE): Update hitrate.
1061         * tree.def (PREDICT_EXPR): Define.
1062         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1063         do not handle BIND_EXPR.
1064         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1065         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1066         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1067         operands.
1069 2008-03-18  Michael Matz  <matz@suse.de>
1071         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1073 2008-03-18  Richard Guenther  <rguenther@suse.de>
1075         * tree-gimple.h (is_gimple_invariant_address): Declare.
1076         (is_gimple_constant): Likewise.
1077         * tree-gimple.c (is_gimple_constant): New function.
1078         (is_gimple_invariant_address): Likewise.
1079         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1080         and is_gimple_invariant_address.
1081         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1082         previous change.
1083         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1084         an addressable base.
1086 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1088         PR middle-end/35611
1089         * gimplify.c (gimplify_expr): Gimplify second operand of
1090         OMP_ATOMIC_LOAD.
1092 2008-03-17  Richard Guenther  <rguenther@suse.de>
1094         PR tree-optimization/19637
1095         * fold-const.c (fold_unary): Remove restrictions of removing
1096         intermediate pointer-conversions (P2)(P1)P0.
1097         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1098         conversion to void pointer.
1099         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1101 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1103         PR debug/31510
1104         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1105         emulated thread local variables.
1107 2008-03-16  Richard Guenther  <rguenther@suse.de>
1109         PR middle-end/35607
1110         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1111         expand TREE_INVARIANT operations that are not gimple invariant.
1113 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1115         * doc/extend.texi (Alignment): Say that the ABI controls
1116         the __alignof__ for non-strict-alignment targets rather
1117         than being a recommendation.
1119 2008-03-15  Paul Brook  <paul@codesourcery.com>
1121         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1122         annotations.
1123         (arm_output_fn_unwind): Mark functions that can not be unwound.
1125 2008-03-15  Paul Brook  <paul@codesourcery.com>
1127         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1128         extension instructions.
1130 2008-03-15  Richard Guenther  <rguenther@suse.de>
1132         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1133         and fold constant aggregate refs.
1134         (fold_const_aggregate_ref): Handle string constants
1135         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1136         (evaluate_stmt): Simplify now that ccp_fold folds constant
1137         aggregate refs.
1139 2008-03-15  Paul Brook  <paul@codesourcery.com>
1141         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1142         (extzv): Use gen_extzv_t2.
1143         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1145 2008-03-15  Richard Guenther  <rguenther@suse.de>
1147         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1148         (fold_const_aggregate_ref): Likewise.
1149         (get_value): Return NULL if we don't have any values.
1150         (ccp_finalize): Set const_val to NULL after freeing it.
1151         * tree-flow.h (get_symbol_constant_value): Declare.
1152         (fold_const_aggregate_ref): Likewise.
1153         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1155 2008-03-15  Richard Guenther  <rguenther@suse.de>
1157         PR middle-end/35593
1158         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1159         to not produce negative array indices if not allowed.  Add
1160         parameter to indicate that.
1161         (maybe_fold_offset_to_component_ref): Allow negative array
1162         indices only for the first member of a structure.
1163         (maybe_fold_offset_to_reference): Allow negative array indices.
1164         (maybe_fold_stmt_addition): Likewise.
1166 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1167             Anatoly Sokolov <aesok@post.ru>
1169         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1170         (avr_arch): Add ARCH_AVR6.
1171         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1172         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1173         instead of fixed value 2.
1174         (print_operand_address): Use gs() asm specifier instead of pm().
1175         (avr_assemble_integer): (Ditto.).
1176         (avr_output_addr_vec_elt): (Ditto.).
1177         (print_operand): Handle "!" code.
1178         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1179         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1180         (AVR_HAVE_EIJMP_EICALL): Define.
1181         (AVR_3_BYTE_PC): Redefine.
1182         (AVR_2_BYTE_PC): (Ditto.).
1183         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1184         (LINK_SPEC): Add atmega2560 and atmega2561.
1185         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1186         (crtm2561.o).
1187         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1188         for 3 byte PC devices.
1189         (call_value_insn): (Ditto.).
1190         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1191         (indirect_jump): Use only for for 2 byte PC devices.
1192         (*tablejump): (Ditto.).
1193         (*indirect_jump_avr6): Add insn.
1194         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1195         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1196         instead of ijmp for 3 byte PC devices.
1197         (__tablejump2__): (Ditto.).
1198         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1199         (MULITLIB_DIRNAMES): (Ditto.). 
1200         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1202 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1204         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1205         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1206         ("mmx_psadbw"): Use V1DI mode for operand 0.
1207         * config/i386/i386-modes.def (V1SI): New vector mode.
1208         * config/i386/i386.c (struct builtin_description)
1209         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1210         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1211         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1212         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1213         v1di_ftype_v8qi_v8qi type.
1214         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1216         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1217         __builtin_ia32_pmuludq]: Fix the mode of return value.
1219 2008-03-15  Richard Guenther  <rguenther@suse.de>
1221         PR middle-end/35595
1222         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1223         being a PHI_NODE.
1225 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1226         
1227         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1228         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1229         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1230         unless TARGET_SERIALIZE_VOLATILE is enabled.
1231         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1232         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1233         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1235 2008-03-14  Richard Guenther  <rguenther@suse.de>
1237         PR tree-optimization/34172
1238         * tree-flow.h (refs_may_alias_p): Declare.
1239         (get_single_def_stmt): Likewise.
1240         (get_single_def_stmt_from_phi): Likewise.
1241         (get_single_def_stmt_with_phi): Likewise.
1242         * tree-dfa.c (refs_may_alias_p): New function.
1243         (get_single_def_stmt): Likewise.
1244         (get_single_def_stmt_from_phi): Likewise.
1245         (get_single_def_stmt_with_phi): Likewise.
1246         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1247         (vn_reference_lookup_1): New helper function.
1248         (vn_reference_lookup): Walk the virtual use-def chain to
1249         continue searching for a match if the def does not alias the
1250         reference we are looking for.
1252 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1254         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1255         archive and Perzl.  Update The Written Word listing.
1257 2008-03-14  Richard Guenther  <rguenther@suse.de>
1259         PR tree-optimization/34043
1260         PR tree-optimization/33989
1261         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1262         when doing FRE.
1263         (bitmap_find_leader): Use extra argument to verify dominance
1264         relationship inside a basic-block.
1265         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1266         (find_leader_in_sets): Adjust.
1267         (create_component_ref_by_pieces): Take extra argument for
1268         dominance check, handle lookup failures.
1269         (find_or_generate_expression): Likewise.
1270         (create_expression_by_pieces): Likewise.
1271         (insert_into_preds_of_block): Adjust.
1272         (create_value_expr_from): If asked for, verify all operands
1273         are in the blocks AVAIL_OUT set.
1274         (make_values_for_stmt): Check for SSA_NAMEs that are life
1275         over an abnormal edge.
1276         (compute_avail): Remove such check.
1277         (do_SCCVN_insertion): New function.
1278         (eliminate): If we do not find a leader suitable for replacement
1279         insert a replacement expression from SCCVN if available.
1280         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1281         (struct vn_ssa_aux): Add needs_insertion flag.
1282         * tree-ssa-sccvn.c (may_insert): New global flag.
1283         (copy_reference_ops_from_ref): Value-number union member access
1284         based on its size, not type and member if insertion is allowed.
1285         (visit_reference_op_load): For a weak match from union type
1286         punning lookup a view-converted value and insert a SSA_NAME
1287         for that value if that is not found.
1288         (visit_use): Make dumps shorter.  Do not disallow value numbering
1289         SSA_NAMEs that are life over an abnormal edge to constants.
1290         (free_scc_vn): Release inserted SSA_NAMEs.
1291         (run_scc_vn): New flag to specify whether insertion is allowed.
1292         Process SSA_NAMEs in forward order.
1293         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1294         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1295         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1296         pointer type to/from integral types that do not change the
1297         precision to regular conversions.
1299 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1301         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1302         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1303         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1304         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1305         input arguments and the mode of return value.  Built-in functions
1306         that operate on whole 64-bit MMX register now use V1DI mode.
1308 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1309             Olga Golovanevsky  <olga@il.ibm.com>
1311         PR tree-optimization/35041
1312         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1313         to locate the right position in a statement.
1315 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1317         PR target/34000
1318         PR target/35553
1319         * config/i386/xmmintrin.h:  Change all static inline functions to
1320         extern inline and add __gnu_inline__ attribute.
1321         * config/i386/bmintrin.h: Ditto.
1322         * config/i386/smmintrin.h: Ditto.
1323         * config/i386/tmmintrin.h: Ditto.
1324         * config/i386/mmintrin-common.h: Ditto.
1325         * config/i386/ammintrin.h: Ditto.
1326         * config/i386/emmintrin.h: Ditto.
1327         * config/i386/pmmintrin.h: Ditto.
1328         * config/i386/mmintrin.h: Ditto.
1329         * config/i386/mm3dnow.h: Ditto.
1331 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1333         PR middle-end/35185
1334         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1335         (lower_omp_2): New function.
1336         (lower_omp_1, lower_omp): Rewritten.
1338 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1340         PR 35054
1341         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1342         with the phrase "Microsoft Windows compilers".
1343         (Push/Pop Macro Pragmas): New subsection. Document
1344         #pragma push_macro and pragma pop_macro.
1346 2008-03-12  Paul Brook  <paul@codesourcery.com>
1348         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1350 2008-03-12  Paul Brook  <paul@codesourcery.com>
1352         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1353         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1354         (thumb2_addsi_shortim): Rename ...
1355         (thumb2_addsi_short): ... to this.  Allow register operands.
1356         (thumb2_subsi_short): New pattern.
1357         (thumb2_one_cmplsi2_short,
1358         thumb2_negsi2_short): New patterns and peepholes.
1360 2008-03-12  Paul Brook  <paul@codesourcery.com>
1362         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1364 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1366         * config/i386/i386.md (int_cond): New code iterator.
1367         (fp_cond): Ditto.
1368         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1369         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1370         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1371         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1372         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1373         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1374         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1375         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1377 2008-03-12  Paul Brook  <paul@codesourcery.com>
1379         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1380         instead of {arm,thumb}_compute_save_reg_mask.
1381         (output_return_instruction): Ditto.
1382         (thumb_unexpanded_epilogue): Ditto.
1383         (thumb1_expand_prologue): Ditto.
1384         (thumb1_output_function_prologue): Ditto.
1385         (arm_set_return_address): Ditto.
1386         (thumb_set_return_address): Ditto.
1387         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1388         regs to achieve stack alignment.
1389         (thumb1_compute_save_reg_mask): Fix compiler warning.
1390         (arm_output_epilogue): Use offsets->saved_regs_mask.
1391         Adjust stack pointer by poping call clobered registers.
1392         (arm_expand_prologue): Use offsets->saved_regs_mask.
1393         Adjust stack pointer by pushing extra registers.
1394         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1396 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1398         PR tree-opt/35422
1399         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1400         conversion to the operands of a multiplication.
1402 2008-03-12  Richard Guenther  <rguenther@suse.de>
1404         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1405         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1406         * timevar.def (TV_TREE_PHIPROP): Add.
1407         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1408         pass description.  Use TV_TREE_PHIPROP.
1409         * tree-ssa-forwprop.c: Remove phiprop code.
1411 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1413         PR middle-end/35549
1414         * omp-low.c (maybe_lookup_decl): Constify first argument.
1415         (use_pointer_for_field): Change last argument from bool to
1416         omp_context *.  Disallow shared copy-in/out in nested
1417         parallel if decl is shared in outer parallel too.
1418         (build_outer_var_ref, scan_sharing_clauses,
1419         lower_rec_input_clauses, lower_copyprivate_clauses,
1420         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1422 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1423             Ira Rosen  <irar@il.ibm.com>
1425         * tree-vectorizer.c (free_stmt_vec_info): New function.
1426         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1427         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1428         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1429         * tree-vect-transform.c (vectorizable_conversion): Free
1430         vec_oprnds0 if it was allocated.
1431         (vect_permute_store_chain): Remove unused VECs.
1432         (vectorizable_store): Free VECs that are allocated in the..
1433         function.
1434         (vect_transform_strided_load, vectorizable_load): Likewise.
1435         (vect_remove_stores): Simplify the code.
1436         (vect_transform_loop): Move code to vect_remove_stores().
1437         Call vect_remove_stores() and free_stmt_vec_info().
1439 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1441         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1442         TARGET_HPUX.  Revise comment.
1443         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1444         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1445         Use sr4 variant of `be' instruction when not generating PIC code.
1446         (attr_length_call): Adjust for above change.
1448 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1450         * ipa-reference.c (static_execute): Remove module_statics_const and
1451         associated setting code.
1453 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1455         PR target/35540
1456         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1457         predicate for operand 1.
1458         (paritysi2_cmp): Use register_operand predicate for operand 2.
1459         Use earlyclobber modifier for operand 1.  Remove support for
1460         memory operands.
1461         (paritydi2_cmp): Use register_operand predicate for operand 3.
1462         Use earlyclobber modifier for operand 1.  Remove support for
1463         memory operands.
1465 2008-03-11  Paul Brook  <paul@codesourcery.com>
1466             Vladimir Prus  <vladimir@codesourcery.com>
1468         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1469         (arm_compute_save_reg0_reg12_mask): Always
1470         check if register 11 must be saved.  Always safe hard frame pointer
1471         when frame_pointer_needeed.
1472         (arm_compute_save_reg_mask): Save IP and PC
1473         only with apcs frames.
1474         (arm_output_epilogue): Adjust Thumb2 codepath to
1475         be also invoked and work for ARM non-apcs frames.
1476         (arm_expand_prologue): Don't bother saving IP
1477         for non-apcs frame, since it's not clobbered by
1478         prologue code.  Implement non-apcs frame
1479         layout.
1481 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1483         PR rtl-optimization/35281
1484         * expr.c (convert_move): Use a new pseudo for the intermediate
1485         from_mode->word_mode result.
1487 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1489         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1490         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1491         * toplev.c (compile_file): Don't call it.
1493 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1495         PR middle-end/35526
1496         * expr.c (store_expr): Call emit_block_move if the mode
1497         of "temp" RTX is BLKmode.
1499 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1500             Richard Guenther  <rguenther@suse.de>
1502         PR tree-optimization/31358
1503         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1504         the step with a NULL_TREE.
1505         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1506         to sizetype if type is a pointer type.
1507         (add_candidate_1): Don't convert the base and step to
1508         the generic type if the orginal type is a pointer type.
1509         (add_iv_value_candidates): Use sizetype for the step
1510         if type is a pointer type.
1511         (cand_value_at): Likewise.
1512         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1513         for pointer types.
1514         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1515         Don't convert the tem affine to the type.
1516         (add_elt_to_tree): Use sizetype for the step if a pointer.
1517         Use POINTER_PLUS_EXPR for pointers.
1518         (aff_combination_to_tree): Use sizetype for the step if a
1519         pointer.
1521 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1523         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1524         Remove commutativity hint.
1526 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1528         PR c/35438
1529         PR c/35439
1530         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1531         errorneous type.  Check that v is a VAR_DECL.
1533         PR middle-end/35099
1534         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1536 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1538         PR tree-optimization/35494
1539         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1540         may be overriden at link and run time.
1542 2008-03-10  Richard Guenther  <rguenther@suse.de>
1544         PR tree-optimization/34677
1545         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1546         (poolify_tree): Likewise.
1547         (modify_expr_template): Likewise.
1548         (poolify_modify_stmt): Likewise.
1549         (insert_fake_stores): Handle all component-ref style stores
1550         in addition to INDIRECT_REF.  Also handle complex types.
1551         Do not poolify the inserted load.
1552         (realify_fake_stores): Do not rebuild the tree but only
1553         make it a SSA_NAME copy.
1554         (init_pre): Remove initialzation of modify_expr_template.
1555         Do not allocate modify_expr_node_pool.
1556         (fini_pre): Do not free modify_expr_node_pool.
1558 2008-03-10  Paul Brook  <paul@codesourcery.com>
1560         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1561         to avoid conflicts.
1563 2008-03-10  Paul Brook  <paul@codesourcery.com>
1564             Mark Shinwell  <shinwell@codesourcery.com>
1566         * config/arm/cortex-r4.md: New.
1567         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1568         insn attributes.
1569         * config/arm/arm.md: Include cortex-r4.md.
1570         (insn): Add smmls, sdiv and udiv values.
1571         (generic_sched): Don't use generic scheduling for Cortex-R4.
1572         (arm_issue_rate): New function.
1573         (TARGET_SCHED_ISSUE_RATE): Define.
1575 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1577         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1579 2008-03-10  Richard Guenther  <rguenther@suse.de>
1581         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1582         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1584 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1586         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1587         Set default to true.
1589 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1591         * c.opt (Wsynth): Deprecate.
1592         * doc/invoke.texi (Option Summary, Warning Options): Document
1593         -Wno-format-contains-nul.
1595 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1597         PR target/35496
1598         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1599         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1601 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1603         * config/rs6000/rs6000.c (builtin_description): Rename vector
1604         left shift operations.
1605         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1606         (altivec_vsl<VI_char>): Rename to ...
1607         (ashl<mode>3): ... new name.
1608         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1609         gen_ashlv4si3.
1610         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1612 2008-03-08  Richard Guenther  <rguenther@suse.de>
1614         * coverage.h (tree_coverage_counter_addr): Declare.
1615         * coverage.c (tree_coverage_counter_addr): New function.
1616         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1617         before using again.
1618         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1619         (tree_gen_one_value_profiler): Likewise.
1620         (tree_gen_ic_profiler): Likewise.
1621         (tree_gen_average_profiler): Likewise.
1622         (tree_gen_ior_profiler): Likewise.
1624 2008-03-08  Richard Guenther  <rguenther@suse.de>
1626         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1627         (vn_binary_op_insert): Likewise.
1628         (vn_unary_op_lookup): Likewise.
1629         (vn_unary_op_insert): Likewise.
1630         (vn_nary_op_lookup): Declare.
1631         (vn_nary_op_insert): Likewise.
1632         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1633         and binary hashes, use a single obstack for unary_op_pool
1634         and binary_op_pool.
1635         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1636         a single struct vn_nary_op_s.  Store tree code length and
1637         a variable number of operands.
1638         (struct vn_reference_op_struct): Remove unused op2.
1639         (vn_reference_op_eq): Do not compare op2.
1640         (vn_reference_op_compute_hash): Do not compute hash of op2.
1641         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1642         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1643         with vn_nary_op_compute_hash.
1644         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1645         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1646         vn_nary_op_lookup.
1647         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1648         vn_nary_op_insert.
1649         (visit_unary_op): Call nary functions.
1650         (visit_binary_op): Likewise.
1651         (process_scc): Adjust for struct vn_tables_s changes.
1652         (allocate_vn_table): Likewise.
1653         (free_vn_table): Likewise.
1654         * tree-vn.c (vn_add): Call nary functions.
1655         (vn_lookup): Likewise.
1657 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1659         PR target/35498
1660         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1661         wdst back after sync_compare_and_swapqhi_internal.
1663 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1665         PR target/22152
1666         * config/i386/i386-modes.def (V1DI): New vector mode.
1667         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1668         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1669         (MMXMODE248): Ditto.
1670         (MMXMODE): Add V1DI mode.
1671         (mmxvecsize): Change DI mode to V1DI mode.
1672         ("mov<mode>): Use MMXMODEI8 mode iterator.
1673         ("*mov<mode>_internal_rex64"): Ditto.
1674         ("*mov<mode>_internal"): Ditto.
1675         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1676         ("mmx_sub<mode>3"): Ditto.
1677         ("mmx_adddi3"): Remove insn pattern.
1678         ("mmx_subdi3"): Ditto.
1679         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1680         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1681         ("mmx_ashl<mode>3"): Ditto.
1682         ("mmx_lshrdi3"): Remove insn pattern.
1683         ("mmx_ashldi3"): Ditto.
1684         * config/i386/i386.c (classify_argument): Handle V1DImode.
1685         (function_arg_advance_32): Ditto.
1686         (function_arg_32): Ditto.
1687         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1688         mmx_addv1di3 insn pattern.
1689         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1690         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1691         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1692         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1693         Remove definitions of built-in functions.
1694         (V1DI_type_node): New node.
1695         (v1di_ftype_v1di_int): Ditto.
1696         (v1di_ftype_v1di_v1di): Ditto.
1697         (v2si_ftype_v2si_si): Ditto.
1698         (v4hi_ftype_v4hi_di): Remove node.
1699         (v2si_ftype_v2si_di): Ditto.
1700         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1701         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1702         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1703         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1704         Add new builtins using def_builtin_const.
1705         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1706         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1707         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1708         * config/i386/mmintrin.h (__v1di): New typedef.
1709         (_mm_add_si64): Cast arguments to __v1di type.
1710         (_mm_sub_si64): Ditto.
1711         (_mm_sll_pi16): Cast __count to __v4hi type.
1712         (_mm_sll_pi32): Cast __count to __v2si type.
1713         (_mm_sll_si64): Cast arguments to __v1di type.
1714         (_mm_srl_pi16): Cast __count to __v4hi type.
1715         (_mm_srl_pi32): Cast __count to __v2si type.
1716         (_mm_srl_si64): Cast arguments to __v1di type.
1717         (_mm_sra_pi16): Cast __count to __v4hi type.
1718         (_mm_sra_pi32): Cast __count to __v2si type.
1719         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1720         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1721         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1722         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1723         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1724         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1725         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1726         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1727         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1728         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1729         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1730         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1732 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1734         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1736 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1738         PR target/35373
1739         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1740         reg+const addressing for Altivec modes.  Don't generate reg+reg
1741         addressing for TFmode or TDmode quantities.
1743 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1745         * c-common.c (vector_types_convertible_p): Call langhook
1746         instead of comptypes.
1748 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1750         PR tree-opt/35402
1751         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1752         integral and scalar float variables which have a
1753         NULL DECL_INITIAL.
1755 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1757         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1758         dwarf_register_span hook when emitting unwind information for
1759         register-to-memory saves.
1760         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1761         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1763 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1765         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1766         for the same VAR_DECL.
1768 2008-03-06  Tom Tromey  <tromey@redhat.com>
1770         * treelang: Delete.
1771         * doc/standards.texi (Standards): Don't mention treelang.
1772         * doc/invoke.texi (Overall Options): Don't mention treelang.
1773         * doc/install.texi (Prerequisites): Don't mention bison or
1774         treelang.
1775         (Configuration): Don't mention treelang.
1776         (Building): Likewise.
1777         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1779 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1781         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1782         word-extractions out of a multi-word object.
1784 2008-03-06  Richard Guenther  <rguenther@suse.de>
1786         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1787         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1788         result type and precision.
1789         * expr.c (get_inner_reference): Set unsignedp based on the result
1790         type of BIT_FIELD_REF.
1791         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1792         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1793         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1794         for BIT_FIELD_REF.
1795         (sra_build_assignment): Likewise.
1796         (sra_build_elt_assignment): Likewise.
1797         (sra_explode_bitfield_assignment): Likewise.
1798         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1799         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1800         set BIT_FIELD_REF_UNSIGNED.
1801         (vectorizable_load): Likewise.
1803 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1805         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1806         at bb start.
1808 2008-03-06  Richard Guenther  <rguenther@suse.de>
1810         * alias.c (struct alias_set_entry): Move has_zero_child field
1811         to pack with alias_set.
1813 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1815         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1816         32bit host.
1818 2008-03-05  Ian Lance Taylor  <iant@google.com>
1820         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1822 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1824         * fwprop.c (update_df): Support width and offset parameters of
1825         df_ref_create.
1826         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1827         global_conflicts): Change DF_REF_EXTRACT to either
1828         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1829         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1830         * df-scan.c (df_ref_record, df_defs_record,
1831         df_ref_create_structure, df_def_record_1, df_uses_record,
1832         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1833         df_bb_refs_collect, df_entry_block_defs_collect,
1834         df_exit_block_uses_collect): Support new width and offset fields.
1835         (ref_extract_pool): New storage pool.
1836         (df_free_ref): New function.
1837         (df_reg_chain_unlink, df_free_collection_rec,
1838         df_sort_and_compress_refs): Call df_free_ref.
1839         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1840         of df_ref_extract.
1841         (df_ref_create_structure): Allocate df_ref_extract if offset and
1842         width fields are used.
1843         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1844         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1845         and SIGN_EXTRACT.
1846         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1847         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1848         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1849         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1850         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1851         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1852         (df_ref_extract): New structure.
1853         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1854         (df_ref_create): Add width and offset parameters.
1855         
1856 2008-03-05  Richard Guenther  <rguenther@suse.de>
1858         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1859         Use ranges_overlap_p.
1860         (offset_overlaps_with_access): Rename
1861         to ranges_overlap_p and move ...
1862         * tree-flow-inline.h (ranges_overlap_p): ... here.
1864         * tree.h (get_inner_reference, handled_component_p): Update
1865         comments.
1867         * tree.h (record_component_aliases, get_alias_set,
1868         alias_sets_conflict_p, alias_sets_must_conflict_p,
1869         objects_must_conflict_p): Move declarations ...
1870         * alias.h (record_component_aliases, get_alias_set,
1871         alias_sets_conflict_p, alias_sets_must_conflict_p,
1872         objects_must_conflict_p): ... here.
1873         Include coretypes.h.
1874         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1876 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1878         * cfg.c: Include tree-flow.h.
1879         (remove_edge_raw): Call redirect_edge_var_map_clear.
1880         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1881         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1882         (redirect_edge_var_map_result): New.
1883         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1884         PENDING_STMT use with redirect_edge_var_map_*.
1885         * tree-ssa.c (edge_var_maps): New definition.
1886         (redirect_edge_var_map_add): New.
1887         (redirect_edge_var_map_clear): New.
1888         (redirect_edge_var_map_dup): New.
1889         (redirect_edge_var_map_vector): New.
1890         (redirect_edge_var_map_destroy): New.
1891         (ssa_redirect_edge): Replace PENDING_STMT use with
1892         redirect_edge_var_map_*.
1893         (flush_pending_stmts): Same.
1894         (delete_tree_ssa): Destroy edge var map.
1895         * tree-flow.h (struct _edge_var_map): New.
1896         Define edge_var_map vector type.
1897         Declare redirect_edge_var_map_* prototypes.
1898         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1899         * tree-cfg.c (reinstall_phi_args): Replace
1900         PENDING_STMT use with redirect_edge_var_map_*.
1902 2008-03-05  Richard Guenther  <rguenther@suse.de>
1904         PR tree-optimization/35472
1905         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1906         whose single use_stmt has a overlapping set of loaded and
1907         stored symbols as that use_stmt might be a noop assignment then.
1909 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1911         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1913 2008-03-05  Richard Guenther  <rguenther@suse.de>
1915         PR c++/35336
1916         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1917         should be constants.
1918         * tree-cfg.c (verify_expr): Verify it.
1919         * fold-const.c (fold_truthop): Remove code generating
1920         BIT_FIELD_REFs of structure bases.
1921         (fold_binary): Likewise.
1922         (fold_ternary): Position and size of BIT_FIELD_REFs are
1923         always host integers.
1924         (make_bit_field_ref): Remove.
1925         (optimize_bit_field_compare): Remove.
1926         (all_ones_mask_p): Remove.
1928 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1930         PR gcc/33009
1931         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1932         (split_block_and_df_analyze): New. Split basic block and rebuild
1933         dataflow.
1934         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1935         SPLIT_BLOCK.
1936         (split_pattern_seq): Likewise.
1937         (erase_matching_seqs): Likewise.
1938         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1940 2008-03-04  Geoff Keating  <geoffk@apple.com>
1942         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1943         declaration and code.
1944         (tree_invalid_nonnegative_warnv_p): Likewise.
1946 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1948         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1949         examples.  Truncate option-names then causing overfull hbox.
1951 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1953         PR target/35222
1954         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1955         on hpux10.
1956         * configure: Rebuilt.
1958 2008-03-04  Rafael Espindola  <espindola@google.com>
1960         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1961         (tree_unary_nonnegative_warnv_p): New.
1962         (tree_binary_nonnegative_warnv_p): New.
1963         (tree_single_nonnegative_warnv_p): New.
1964         (tree_invalid_nonnegative_warnv_p): New.
1965         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1967 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1969         PR 28322
1970         * opts.c (handle_option): Postpone 'unknown option' errors only for
1971         warning options.
1973 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1975         PR target/35453
1976         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1977         (_SIDD_XXX): This.
1979 2008-03-04  Rafael Espindola  <espindola@google.com>
1981         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1982         (tree_binary_nonzero_warnv_p): New.
1983         (tree_single_nonzero_warnv_p): New.
1984         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1986 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1988         PR middle-end/35456
1989         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1990         transformations for modes that have signed zeros.
1991         * ifcvt.c (noce_try_abs): Ditto.
1993 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1995         * config/i386/i386.c (override_options): Force
1996         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1998 2008-03-04  Jan Hubicka  <jh@suse.cz>
2000         PR c++/35262
2001         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2002         in last commit.
2004 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2006         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2007         label to probe the stack.
2009 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2011         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2012         (__gthr_win32_mutex_destroy): Declare.
2013         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2014         __gthr_win32_mutex_destroy.
2015         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2017 2008-03-03  Jan Hubicka  <jh@suse.cz>
2019         PR c++/35262
2020         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2021         aggressive on inlining cold calls.
2023 2008-03-03  Richard Guenther  <rguenther@suse.de>
2025         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2026         struct copies into the expression table.
2027         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2028         (try_to_simplify): Likewise.
2029         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2030         integral and pointer arguments which do not change the
2031         precision to NOP_EXPRs.
2032         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2033         VIEW_CONVERT_EXPR case.
2035 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2037         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2038         defined in a loop at depth 0 is invariant.
2039         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2040         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2041         be called at loop depth 0.
2043 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2045         PR driver/35420
2046         * gcc.c (process_command): Update copyright notice dates.
2047         * gcov.c (print_version): Likewise.
2048         * gcov-dump.c (print_version): Likewise.
2049         * mips-tfile.c (main): Likewise.
2050         * mips-tdump.c (main): Likewise.
2052 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2054         PR 24924
2055         * c-common.c (flag_permissive): Delete.
2056         (constant_expression_warnings): Check flags first.
2057         (constant_expression_error): New.
2058         * c-common.h (flag_permissive): Delete.
2059         (constant_expression_error): Declare.
2060         * flags.h (flag_permissive): Declare. Update description.
2061         * diagnostic.c (pedwarn): Update.
2062         (permerror): New.
2063         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2064         (permissive_error_kind): New.
2065         * toplev.c (flag_permissive): Define. Update description.
2066         * toplev.h (permissive_error_kind): Declare.
2067         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2068         (pedwarn_c90): Use pedantic_warning_kind.
2069         * c-opts.c (c_common_post_options): flag_permissive does not affect
2070         flag_pedantic_errors.
2072 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2074         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2075         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2076         __absvsi2, __absvDI2): Use unsigned arithmetic.
2078 2008-03-02  Andi Kleen  <ak@suse.de>
2079             Richard Guenther  <rguenther@suse.de>
2081         * struct-equiv.c: Remove file.
2082         * cfg_cleanup.c (condjump_equiv_p): Remove.
2083         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2084         (struct-equiv.o): Remove rule.
2085         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2086         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2087         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2089 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2091         * ifcvt.c (noce_process_if_block): Try to handle only the then
2092         block if the else block exists but isn't suitable.
2094 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2096         PR gcc/35063
2097         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2098         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2099         regression from previous patch.
2101 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2103         PR gcc/35063
2104         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2105         implemented.
2106         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2107         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2108         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2109         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2110         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2111         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2112         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2113         (__gthread_mutex_destroy_function): Rename to
2114         __gthread_mutex_destroy.
2115         * gthr-dce.h (__gthread_mutex_destroy): Call
2116         pthread_mutex_destroy.
2117         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2118         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2119         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2121 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2123         * df-scan.c (df_ref_chain_change_bb): Simplify.
2124         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2125         set_block_for_insn if there's any change.
2126         * df.h ((df_insn_change_bb): Fix prototype.
2127         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2128         df_insn_change_bb, don't call set_block_for_insn.
2129         * emit-rtl.c (reorder_insns): Likewise.
2130         * haifa-sched.c (move_insn): Likewise.
2132 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2134         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2136 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2138         * tree-flow-inline.h (next_readonly_imm_use): Return
2139         NULL_USE_OPERAND_P after the end.
2141 2008-03-01  Richard Guenther  <rguenther@suse.de>
2143         PR tree-optimization/35411
2144         * tree-sra.c (sra_build_assignment): Split conversion to
2145         final type to a separate statement if we are not assigning
2146         to a register.
2148 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2150         * fold-const.c (fold_convertible_p): Correct the logic to follow
2151         that in fold_convert().
2153 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2155         PR c++/35315
2156         * tree-inline.c (build_duplicate_type): When we make a
2157         duplicate type, make it unique in the canonical types system.
2159 2008-02-29  Tom Tromey  <tromey@redhat.com>
2161         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2162         input_file_stack_history, input_file_stack_restored): Remove.
2163         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2164         * input.h (struct file_stack): Remove.
2165         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2166         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2167         Likewise.
2168         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2169         type.
2170         (diagnostic_last_module_changed): Add 'map' argument.
2171         (diagnostic_set_last_function): Likewise.
2172         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2173         line map, not input_file_stack.
2174         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2176 2008-02-29  Paul Brook  <paul@codesourcery.com>
2178         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2180 2008-02-29  Paul Brook  <paul@codesourcery.com>
2182         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2184 2008-02-29  Richard Guenther  <rguenther@suse.de>
2186         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2187         vn_lookup_or_add.
2188         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2189         value for comparing for a store match.
2190         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2191         (try_to_simplify): Do not do a full-blown reference lookup.
2193 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2195         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2196         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2198         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2200 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2202         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2203         strides against cache sizes.
2205 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2207         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2208         constant to fpul.
2210 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2212         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2213         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2214         is smaller than the original promoted value.
2215         (simplify_subreg): If OP is a SUBREG, try to preserve its
2216         SUBREG_PROMOTED_VAR_P information.
2218 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2220         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2221         (VN_INFO_GET): Allocate new objects on the obstack.
2222         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2223         for rpo_numbers_temp, for consistency.
2224         (free_scc_vn): Free the obstack.
2226 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2228         * doc/invoke.texi: Document -ftree-loop-distribution.
2229         * tree-loop-distribution.c: New.
2230         * tree-pass.h (pass_loop_distribution): New.
2231         * graphds.h (struct graph): Add htab_t indices.
2232         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2233         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2234         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2235         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2236         * tree-data-ref.c (debug_data_dependence_relations): New.
2237         (dump_data_dependence_relation): Also print data references.
2238         (free_data_ref): Extern.
2239         (same_access_functions): Moved...
2240         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2241         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2242         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2243         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2244         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2245         (stmts_from_loop): Skip LABEL_EXPR.
2246         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2247         New.
2248         (build_rdg): Initialize rdg->indices htab.
2249         (free_rdg, stores_from_loop, ref_base_address,
2250         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2251         have_similar_memory_accesses_1, ref_base_address_1,
2252         remove_similar_memory_refs): New.
2253         * tree-data-ref.h: Depend on tree-chrec.h.
2254         (debug_data_dependence_relations, free_data_ref): Declared.
2255         (same_access_functions): ... here.
2256         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2257         New.
2258         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2259         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2260         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2261         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2262         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2263         rdg_vertex_for_stmt): Declared.
2264         (struct rdg_edge): Add level.
2265         (RDGE_LEVEL): New.
2266         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2267         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2268         Declared.
2269         (rdg_has_similar_memory_accesses): New.
2270         * tree-vect-analyze.c: Remove unused static decls.
2271         * lambda.h (dependence_level): New.
2272         * common.opt (ftree-loop-distribution): New.
2273         * tree-flow.h (mark_virtual_ops_in_bb, 
2274         slpeel_tree_duplicate_loop_to_edge_cfg,
2275         rename_variables_in_loop): Declared.
2276         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2277         (OBJS-common): Add tree-loop-distribution.o.
2278         (tree-loop-distribution.o): New rule.
2279         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2280         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2281         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2283 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2285         PR target/33963
2286         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2287         other than structures and unions.
2289 2008-02-28  Richard Guenther  <rguenther@suse.de>
2291         Revert:
2292         2008-02-26  Richard Guenther  <rguenther@suse.de>
2294         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2295         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2296         (lookup_decl_from_uid): Declare.
2297         (remove_decl_from_map): Likewise.
2298         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2299         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2300         (decl_for_uid_map): New global hashtable mapping DECL_UID
2301         to the decl tree.
2302         (init_ttree): Allocate it.
2303         (insert_decl_to_uid_decl_map): New helper function.
2304         (make_node_stat): Insert new decls into the map.
2305         (copy_node_stat): Likewise.
2306         (lookup_decl_from_uid): New function.
2307         (remove_decl_from_map): Likewise.
2308         (print_decl_for_uid_map_statistics): New helper.
2309         (dump_tree_statistics): Call it.
2311         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2312         (referenced_var_iterator): Adjust.
2313         (FOR_EACH_REFERENCED_VAR): Adjust.
2314         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2315         (num_referenced_vars): Adjust.
2316         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2317         (first_referenced_var): Remove.
2318         (end_referenced_vars_p): Likewise.
2319         (next_referenced_var): Likewise.
2320         (referenced_var_iterator_set): New helper function.
2321         * tree-dfa.c (referenced_var_lookup): Adjust.
2322         (referenced_var_check_and_insert): Likewise.
2323         (remove_referenced_var): Likewise.
2324         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2325         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2326         (verify_call_clobbering): Likewise.
2327         (verify_memory_partitions): Likewise.
2328         (init_tree_ssa): Allocate bitmap instead of hashtable for
2329         referenced_vars.
2330         (delete_tree_ssa): Adjust.
2331         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2332         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2333         (compute_tag_properties): Likewise.
2334         (set_initial_properties): Likewise.
2335         (find_partition_for): Likewise.
2336         (update_reference_counts): Likewise.
2337         (dump_may_aliases_for): Likewise.
2338         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2339         (add_call_clobber_ops): Likewise.
2340         (add_call_read_ops): Likewise.
2341         (get_asm_expr_operands): Likewise.
2342         * tree-into-ssa.c (dump_decl_set): Likewise.
2343         (update_ssa): Likewise.
2344         * tree-sra.c (scan_function): Likewise.
2345         (decide_instantiations): Likewise.
2346         (scalarize_parms): Likewise.
2347         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2348         (dsa_named_for): Likewise.
2349         * tree-ssa-structalias.c (update_alias_info): Likewise.
2350         (merge_smts_into): Likewise.
2352 2008-02-27  David Daney  <ddaney@avtrex.com>
2354         PR target/34409
2355         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2356         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2357         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2358         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2359         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2361 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2363         PR target/25477
2364         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2365         (BUILT_IN_NEXTTOWARD): Remove.
2366         (BUILT_IN_NEXTTOWARDF): Ditto.
2367         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2368         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2370 2008-02-27  Tom Tromey  <tromey@redhat.com>
2372         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2373         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2375 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2377         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2378         update the respective field on newdecl.
2380 2008-02-27  Revital Eres  <eres@il.ibm.com>
2382         PR rtl-optimization/34999
2383         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2384         crossing edges that ends with a call insn.
2385         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2386         call insn and clear the EDGE_CROSSING flag of the crossing edge
2387         when fixing fallthru edges.
2389 2008-02-27  Richard Guenther  <rguenther@suse.de>
2391         PR middle-end/35390
2392         * fold-const.c (fold_unary): Return the correct argument,
2393         converted to the result type.
2395 2008-02-27  Richard Guenther  <rguenther@suse.de>
2397         PR middle-end/34971
2398         * expr.c (expand_expr_real_1): Assert on rotates that operate
2399         on partial modes.
2400         * fold-const.c (fold_binary): Use the types precision, not the
2401         bitsize of the mode if folding rotate expressions.  Build rotates
2402         only for full modes.
2404 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2406         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2407         and CPP_PRAGMA_EOL.
2408         * c-pragma.c (pragma_ns_name): New typedef.
2409         (registered_pp_pragmas): New variable.
2410         (c_pp_lookup_pragma): New function.
2411         (c_register_pragma_1): If flag_preprocess_only, do nothing
2412         for non-expanded pragmas, for expanded ones push pragma's
2413         namespace and name into registered_pp_pragmas vector.
2414         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2415         flag_preprocess_only, don't register GCC pch_preprocess
2416         pragma if flag_preprocess_only.
2417         * c-opts.c (c_common_init): Call init_pragma even if
2418         flag_preprocess_only.
2419         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2420         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2421         cpp_register_pragma if flag_preprocess_only.
2423 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2425         PR c/28800
2426         * c-parser.c (c_parser_translation_unit): Warn for empty
2427         translation unit, not empty source file.
2429 2008-02-26  Paul Brook  <paul@codesourcery.com>
2431         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2432         operand for Thumb-2.
2433         * config/arm/arm.h (reg_class): Add CORE_REGS.
2434         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2435         (BASE_REG_CLASS): Use CORE_REGS.
2436         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2437         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2438         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2439         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2440         ARM_REGNO_OK_FOR_INDEX_P.
2441         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2442         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2443         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2444         (ldm/stm peepholes): Ditto.
2445         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2446         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2447         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2448         * config/arm/constraints.md: Enable "k" constraint on ARM.
2450 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2452         * config/rs6000/rs6000.c: Annotate cache line size field in all
2453         instances of struct processor_costs.
2455 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2457         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2458         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2459         jump_bypass): New counters.
2460         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2461         * dce.c (gate_ud_dce): Same.
2462         (gate_fast_dce): Same.
2463         * dse.c (gate_dse1): New function.
2464         (gate_dse2): New function.
2465         (gate_dse): Merge results of new gate functions.
2466         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2467         (gate_handle_jump_bypass): Add dbg_cnt.
2468         (gate_handle_gcse): Add dbg_cnt.
2469         * ifcvt.c (gate_handle_if_conversion): Same.
2470         (gate_handle_if_after_combine): Same.
2471         (gate_handle_if_after_reload): Same.
2472         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2474 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2476         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2477         line sizes.
2478         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2480 2008-02-26  Jason Merrill  <jason@redhat.com>
2482         PR c++/35315
2483         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2484         alone if it's the naming decl for the type's main variant.
2486 2008-02-26  Tom Tromey  <tromey@redhat.com>
2488         * system.h (USE_MAPPED_LOCATION): Poison.
2489         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2490         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2491         (make_goto_expr_edges): Likewise.
2492         (remove_bb): Likewise.
2493         (execute_warn_function_return): Likewise.
2494         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2495         location_t.
2496         * c-common.c (fname_decl): Remove old location code.
2497         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2498         location code.
2499         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2500         variant.
2501         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2502         (gen_rtx_ASM_INPUT): Likewise.
2503         (gen_rtx_ASM_INPUT_loc): Likewise.
2504         (get_rtx_asm_OPERANDS): Remove.
2505         * cfglayout.c (insn_locators_alloc): Remove old location code.
2506         (set_curr_insn_source_location): Likewise.
2507         (curr_insn_locator): Likewise.
2508         * print-tree.c (print_node): Remove old location code.
2509         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2510         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2511         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2512         location_from_locus.
2513         (construct_exit_block): Remove old location code.
2514         * emit-rtl.c (force_next_line_note): Remove old location code.
2515         * profile.c (branch_prob): Remove old location code.
2516         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2517         LOC_LINE): Remove old-location variants.
2518         * langhooks.c (lhd_print_error_function): Remove old location
2519         code.
2520         * configure, config.in: Rebuilt.
2521         * configure.ac (--enable-mapped-location): Remove.
2522         * c-decl.c (c_init_decl_processing): Remove old location code.
2523         (finish_function): Likewise.
2524         * recog.c (decode_asm_operands): Remove old location code.
2525         * c-pch.c (c_common_read_pch): Remove old location code.
2526         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2527         variants.
2528         * gimple-low.c (lower_function_body): Remove old location code.
2529         * toplev.c (unknown_location): Remove.
2530         (push_srcloc): Remove old-location variant.
2531         (process_options): Remove old location code.
2532         (lang_dependent_init): Likewise.
2533         * input.h (UNKNOWN_LOCATION): Move definition.
2534         (location_t): Undeprecate.
2535         (source_locus): Remove.
2536         (location_from_locus): Remove.
2537         (struct location_s): Remove.
2538         Remove all old-location code.
2539         (input_line, input_filename): Remove.
2540         * final.c (final_scan_insn): Remove old location code.
2541         * diagnostic.c (diagnostic_build_prefix): Remove
2542         USE_MAPPED_LOCATION test.
2543         * tree.h (gimple_stmt) <locus>: Now a location_t.
2544         (tree_exp) <locus>: Likewise.
2545         (DECL_IS_BUILTIN): Remove old-location variant.
2546         (annotate_with_file_line, annotate_with_locus): Likewise.
2547         (expr_locus, set_expr_locus): Update.
2548         * tree.c (build1_stat): Remove old location code.
2549         (last_annotated_node): Remove.
2550         (annotate_with_file_line): Remove old-location variant.
2551         (annotate_with_locus): Likewise.
2552         (expr_location): Remove old location code.
2553         (set_expr_location): Likewise.
2554         (expr_has_location): Likewise.
2555         (expr_locus): Likewise.
2556         (set_expr_locus): Likewise.
2557         (expr_filename): Don't use location_from_locus.
2558         (expr_lineno): Likewise.
2559         * rtl-error.c (location_for_asm): Remove old location code.
2560         * c-lex.c (cb_line_change): Remove old location code.
2561         (fe_file_change): Likewise.
2562         (cb_def_pragma): Likewise.
2563         (c_lex_with_flags): Likewise.
2564         * gengtype.c (do_typedef): Don't special-case location types.
2565         (define_location_structures): Remove.
2566         (main): Don't call define_location_structures.
2567         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2568         code.
2570 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2572         PR 26264
2573         * builtins.def (BUILT_IN_STDARG_START): Remove.
2574         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2575         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2576         * tree-inline.c (inline_forbidden_p_1): Likewise.
2577         
2578 2008-02-26  Richard Guenther  <rguenther@suse.de>
2580         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2581         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2582         (lookup_decl_from_uid): Declare.
2583         (remove_decl_from_map): Likewise.
2584         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2585         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2586         (decl_for_uid_map): New global hashtable mapping DECL_UID
2587         to the decl tree.
2588         (init_ttree): Allocate it.
2589         (insert_decl_to_uid_decl_map): New helper function.
2590         (make_node_stat): Insert new decls into the map.
2591         (copy_node_stat): Likewise.
2592         (lookup_decl_from_uid): New function.
2593         (remove_decl_from_map): Likewise.
2594         (print_decl_for_uid_map_statistics): New helper.
2595         (dump_tree_statistics): Call it.
2597         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2598         (referenced_var_iterator): Adjust.
2599         (FOR_EACH_REFERENCED_VAR): Adjust.
2600         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2601         (num_referenced_vars): Adjust.
2602         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2603         (first_referenced_var): Remove.
2604         (end_referenced_vars_p): Likewise.
2605         (next_referenced_var): Likewise.
2606         (referenced_var_iterator_set): New helper function.
2607         * tree-dfa.c (referenced_var_lookup): Adjust.
2608         (referenced_var_check_and_insert): Likewise.
2609         (remove_referenced_var): Likewise.
2610         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2611         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2612         (verify_call_clobbering): Likewise.
2613         (verify_memory_partitions): Likewise.
2614         (init_tree_ssa): Allocate bitmap instead of hashtable for
2615         referenced_vars.
2616         (delete_tree_ssa): Adjust.
2617         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2618         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2619         (compute_tag_properties): Likewise.
2620         (set_initial_properties): Likewise.
2621         (find_partition_for): Likewise.
2622         (update_reference_counts): Likewise.
2623         (dump_may_aliases_for): Likewise.
2624         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2625         (add_call_clobber_ops): Likewise.
2626         (add_call_read_ops): Likewise.
2627         (get_asm_expr_operands): Likewise.
2628         * tree-into-ssa.c (dump_decl_set): Likewise.
2629         (update_ssa): Likewise.
2630         * tree-sra.c (scan_function): Likewise.
2631         (decide_instantiations): Likewise.
2632         (scalarize_parms): Likewise.
2633         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2634         (dsa_named_for): Likewise.
2635         * tree-ssa-structalias.c (update_alias_info): Likewise.
2636         (merge_smts_into): Likewise.
2638 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2640         PR 34351
2641         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2642         * c-opts.c (c_common_handle_option): Wall enables
2643         Wvolatile-register-var.
2644         * common.opt: Move Wvolatile-register-var to...
2645         * c.opt: ...here.
2646         
2647 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2649         * common.opt (Wlarger-than=): New.
2650         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2651         -Wlarger-than=.
2652         * opts.c (common_handle_option): Handle -Wlarger-than=.
2653         * optc-gen.awk: Likewise.
2654         * opth-gen.awk: Likewise.
2655         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2656         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2657         
2658 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2660         * c-common.c (match_case_to_enum_1): Add appropriate
2661         OPT_W* parameter to warning.
2662         (c_do_switch_warnings): Likewise.
2663         * c-typeck.c (warning_init): Add one more parameter following
2664         'warning' function.
2665         (push_init_level): Update call to warning_init.
2666         (pop_init_level): Likewise.
2667         (add_pending_init): Likewise.
2668         (output_init_element: Likewise.
2670 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2672         PR 28322
2673         * toplev.c (toplev_main): If there are warnings or error, print
2674         errors for ignored options.
2675         * opts.c (ignored_options): New static variable.
2676         (postpone_unknown_option_error): New.
2677         (print_ignored_options): New.
2678         (handle_option): Postpone errors for unknown -Wno-* options.
2679         * opts.h (print_ignored_options): Declare.
2680         
2681 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2683         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2684         to "ghost".
2686 2008-02-25  Richard Guenther  <rguenther@suse.de>
2688         Revert:
2689         2008-02-25  Richard Guenther  <rguenther@suse.de>
2691         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2692         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2693         (lookup_decl_from_uid): Declare.
2694         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2695         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2696         (decl_for_uid_map): New global hashtable mapping DECL_UID
2697         to the decl tree.
2698         (init_ttree): Allocate it.
2699         (insert_decl_to_uid_decl_map): New helper function.
2700         (make_node_stat): Insert new decls into the map.
2701         (copy_node_stat): Likewise.
2702         (lookup_decl_from_uid): New function.
2703         (print_decl_for_uid_map_statistics): New helper.
2704         (dump_tree_statistics): Call it.
2706         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2707         (referenced_var_iterator): Adjust.
2708         (FOR_EACH_REFERENCED_VAR): Adjust.
2709         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2710         (num_referenced_vars): Adjust.
2711         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2712         (first_referenced_var): Remove.
2713         (end_referenced_vars_p): Likewise.
2714         (next_referenced_var): Likewise.
2715         (referenced_var_iterator_set): New helper function.
2716         * tree-dfa.c (referenced_var_lookup): Adjust.
2717         (referenced_var_check_and_insert): Likewise.
2718         (remove_referenced_var): Likewise.
2719         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2720         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2721         (verify_call_clobbering): Likewise.
2722         (verify_memory_partitions): Likewise.
2723         (init_tree_ssa): Allocate bitmap instead of hashtable for
2724         referenced_vars.
2725         (delete_tree_ssa): Adjust.
2726         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2727         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2728         (compute_tag_properties): Likewise.
2729         (set_initial_properties): Likewise.
2730         (find_partition_for): Likewise.
2731         (update_reference_counts): Likewise.
2732         (dump_may_aliases_for): Likewise.
2733         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2734         (add_call_clobber_ops): Likewise.
2735         (add_call_read_ops): Likewise.
2736         (get_asm_expr_operands): Likewise.
2737         * tree-into-ssa.c (dump_decl_set): Likewise.
2738         (update_ssa): Likewise.
2739         * tree-sra.c (scan_function): Likewise.
2740         (decide_instantiations): Likewise.
2741         (scalarize_parms): Likewise.
2742         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2743         (dsa_named_for): Likewise.
2744         * tree-ssa-structalias.c (update_alias_info): Likewise.
2745         (merge_smts_into): Likewise.
2747 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2749         PR fortran/29549
2750         * doc/invoke.texi (-fcx-limited-range): Document new option.
2751         * toplev.c (process_options): Handle -fcx-fortran-rules.
2752         * common.opt: Add documentation for -fcx-fortran-rules.
2754 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2756         PR c/35162
2757         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2758         actual behaviour and C99.
2759         
2760 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2762         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2763         (ASM_CPU_POWER6_SPEC): Likewise.
2764         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2765         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2766         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2768 2008-02-25  Richard Guenther  <rguenther@suse.de>
2770         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2771         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2772         (lookup_decl_from_uid): Declare.
2773         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2774         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2775         (decl_for_uid_map): New global hashtable mapping DECL_UID
2776         to the decl tree.
2777         (init_ttree): Allocate it.
2778         (insert_decl_to_uid_decl_map): New helper function.
2779         (make_node_stat): Insert new decls into the map.
2780         (copy_node_stat): Likewise.
2781         (lookup_decl_from_uid): New function.
2782         (print_decl_for_uid_map_statistics): New helper.
2783         (dump_tree_statistics): Call it.
2785         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2786         (referenced_var_iterator): Adjust.
2787         (FOR_EACH_REFERENCED_VAR): Adjust.
2788         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2789         (num_referenced_vars): Adjust.
2790         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2791         (first_referenced_var): Remove.
2792         (end_referenced_vars_p): Likewise.
2793         (next_referenced_var): Likewise.
2794         (referenced_var_iterator_set): New helper function.
2795         * tree-dfa.c (referenced_var_lookup): Adjust.
2796         (referenced_var_check_and_insert): Likewise.
2797         (remove_referenced_var): Likewise.
2798         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2799         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2800         (verify_call_clobbering): Likewise.
2801         (verify_memory_partitions): Likewise.
2802         (init_tree_ssa): Allocate bitmap instead of hashtable for
2803         referenced_vars.
2804         (delete_tree_ssa): Adjust.
2805         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2806         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2807         (compute_tag_properties): Likewise.
2808         (set_initial_properties): Likewise.
2809         (find_partition_for): Likewise.
2810         (update_reference_counts): Likewise.
2811         (dump_may_aliases_for): Likewise.
2812         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2813         (add_call_clobber_ops): Likewise.
2814         (add_call_read_ops): Likewise.
2815         (get_asm_expr_operands): Likewise.
2816         * tree-into-ssa.c (dump_decl_set): Likewise.
2817         (update_ssa): Likewise.
2818         * tree-sra.c (scan_function): Likewise.
2819         (decide_instantiations): Likewise.
2820         (scalarize_parms): Likewise.
2821         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2822         (dsa_named_for): Likewise.
2823         * tree-ssa-structalias.c (update_alias_info): Likewise.
2824         (merge_smts_into): Likewise.
2826 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2828         PR target/35258
2829         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2830         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2831         * alias.h (nonoverlapping_memrefs_p): Likewise.
2833 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2835         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2836         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2837         __emultls_get_address, __emultls_register_common,
2838         __floatundi?f, and _Unwind_GetIPInfo.
2839         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2840         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2841         (gen_regparm_prefix): Likewise.
2842         (i386_nlm_encode_section_info): Sync with
2843         config/i386/winnt.c:i386_pe_encode_section_info().
2844         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2845         i386_nlm_mangle_decl_assembler_name): New.
2846         (netware_override_options): New.
2847         * config/i386/netware.h (netware_override_options): Declare.
2848         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2849         (i386_nlm_mangle_decl_assembler_name): Declare.
2850         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2852 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2854         PR other/32948
2855         * c-decl.c (grokdeclarator): Remove unused local variables
2856         `typedef_type' and `type_as_written'.
2857         * bb-reorder.c
2858         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2859         unused local variable `has_hot_blocks'.
2860         (fix_crossing_conditional_branches): Remove unused local variable
2861         `prev_bb'.
2862         
2863 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2865         PR middle-end/19984
2866         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2867         using DEF_C99_BUILTIN.
2868         (BUILT_IN_NANF): Ditto.
2869         (BUILT_IN_NANL): Ditto.
2871 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2872             Revital Eres  <eres@il.ibm.com>
2874         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2875         regarding the order of two dependent insns in the same row.
2877 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2879         * stor-layout.c (layout_decl): Do not bump the alignment of a
2880         bit-field to more than byte alignment if it is packed.
2882 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2884         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2885         e300c2 and e300c3.
2887 2008-02-24  Diego Novillo  <dnovillo@google.com>
2889         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2891         PR 33738
2892         * tree-vrp.c (vrp_evaluate_conditional): With
2893         -Wtype-limits, emit a warning when comparing against a
2894         constant outside the natural range of OP0's type.
2895         * c.opt (Wtype-limits): Move ...
2896         * common.opt (Wtype-limits): ... here.
2898 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2900         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2901         * config/rs6000/e300c2c3.md: New file.
2902         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2903         e300c2 and e300c3.
2904         (rs6000_override_options): Add e300c2 and e300c3 cases to
2905         processor_target_table. Do not allow usage of Altivec or Spe
2906         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2907         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2908         * config/rs6000/rs6000.h (processor_type): Add
2909         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2910         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2911         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2912         and ppce300c3. Include e300c2c3.md.
2914 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2916         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2917         instead of TARGET_STRICT_ALIGN.
2919 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2921         * explow.c (memory_address): Assert that the generated address is
2922         valid.
2924 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2926         PR target/25477
2927         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2928         * config/darwin-ppc-ldouble-patch.def: New file.
2929         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2930         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2931         SUBTARGET_INIT_BUILTINS if defined.
2932         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2933         New functions.
2935 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2937         PR rtl-opt/33512
2938         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2939         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2941 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2943         PR pch/35027
2944         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2945         file" warning condtional on -Winvalid-PCH.
2947 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2949         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2951 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2953         PR target/22076
2954         PR target/34256 
2955         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2956         prevent reload from using MMX registers.
2957         (*mov<mode>_internal): Ditto.
2958         (*movv2sf_internal_rex64): Ditto.
2959         (*movv2sf_internal): Ditto.
2961 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2963         PR documentation/31569
2964         * doc/install.texi2html: Use makeinfo --no-number-sections.
2966 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2968         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2969         ensure that we can address an entire entity > 8 bytes.  Don't
2970         generate reg+reg addressing for such data.
2972 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2974         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2975         strings when optimizing for size, unless the target cares about
2976         alignment.
2978 2008-02-22  Tom Tromey  <tromey@redhat.com>
2980         * regclass.c (current_pass): Remove declaration.
2982 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2984         * config/avr/libgcc.S (__RAMPZ__): Define.
2985         (__do_copy_data): Add for devices with 128KB code memory.
2987 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2989         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2990         Use spe_abi.
2991         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2993 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2995         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2996         GENNONACR_REGS.
2998 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3000         PR c/19999
3001         * c-typeck.c (build_binary_op): Warn about floating point
3002         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3004 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3006         PR target/34526
3007         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3008         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3009         add vrsave.
3010         (rs6000_override_options): Set altivec_abi as default, not override,
3011         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3012         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3013         is used; use new member spe_abi.
3014         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3015         spe_abi and altivec_abi.
3017 2008-02-22  Tomas Bily  <tbily@suse.cz>
3019         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3021 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3023         PR bootstrap/35273
3024         * config.build (build_file_translate): Set to `CMD //c' only if
3025         it works.
3026         * Makefile.in (build_file_translate): Improve comment.
3028 2008-02-21  Jan Hubicka  <jh@suse.cz>
3030         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3031         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3032         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3034 2008-02-21  Michael Matz  <matz@suse.de>
3036         PR target/35264
3037         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3039 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3041         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3042         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3043         as insn constraint.
3044         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3045         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3046         SSE_VEC_FLOAT_MODE_P as insn constraint.
3047         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3048         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3049         sse4a_movntdf using MODEF mode iterator.
3050         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3051         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3052         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3053         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3054         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3055         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3056         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3058 2008-02-21  Richard Guenther  <rguenther@suse.de>
3060         * tree.def (PAREN_EXPR): New tree code.
3061         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3062         and PAREN_EXPR.
3063         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3064         * expr.c (expand_expr_real_1): Likewise.
3065         * tree-inline.c (estimate_num_insns_1): Likewise.
3066         * tree-complex.c (expand_complex_move): Likewise.
3067         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3068         as plain x.
3070 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3072         PR target/35225
3073         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3075 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3077         PR target/35190
3078         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3080         * config/sh/sh.c (find_barrier): Don't go past
3081         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3083 2008-02-20  DJ Delorie  <dj@redhat.com>
3085         * config/h8300/h8300.md (insv): Force source operand to be a register.
3087         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3088         as a jump, not as a plain insn.
3089         
3090 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3092         * doc/invoke.texi (Warning Options): Add new option
3093         -Wframe-larger-than=.
3094         (-Wframe-larger-than): Document.
3096         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3097         Add declarations for new option variables.
3099         * final.c (final_start_function): Check the frame size
3100         before emission and issue a Wframe-larger-than warning.
3102         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3103         Add definitions for new option variables.
3104         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3106         * common.opt (Wframe-larger-than=): New option.
3108 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3110         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3111         (<sse>_div<mode>3): Ditto.
3112         (<sse>_vmdiv<mode>3): Ditto.
3113         (<sse>_vmsqrt<mode>2): Ditto.
3114         (*smax<mode>3): Ditto.
3115         (sse5_frcz<mode>2): Ditto.
3116         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3117         as insn constraint.
3119 2008-02-20  Richard Guenther  <rguenther@suse.de>
3121         PR middle-end/35265
3122         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3123         be happy with INTEGRAL_TYPE_P.
3125 2008-02-20  Richard Guenther  <rguenther@suse.de>
3127         * fold-const.c (split_tree): Associate floatig-point expressions
3128         if flag_associative_math is set.
3130 2008-02-20  Richard Guenther  <rguenther@suse.de>
3132         * tree.h (fold_real_zero_addition_p): Declare.
3133         * fold-const.c (fold_real_zero_addition_p): Export.
3134         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3135         floating-point operations with zero and one.
3137 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3139         * doc/install.texi: Correct references to CFLAGS, replacing them
3140         with BOOT_CFLAGS.  Document flags used during bootstrap for
3141         target libraries.
3142                                 
3143 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3145         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3146         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3147         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3148         insn constraint.
3149         (smin<mode>3): Ditto from similar patterns.
3150         (smax<mode>3): Ditto.
3151         (*ieee_smin<mode>3): Ditto.
3152         (*ieee_smax<mode>3): Ditto.
3153         * config/i386/sse.md (sse): New mode attribute.
3154         (mov<mode>): Macroize expander from movv4sf and movv2df using
3155         SSEMODEF2P mode iterator.
3156         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3157         SSE_VEC_FLOAT_MODE_P as insn constraint.
3158         (storent<mode>): Ditto.
3159         (storent<mode>): Macroize expander from storentsf and storentdf using
3160         MODEF mode iterator.
3161         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3162         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3163         (abs<mode>2): Ditto from similar patterns.
3164         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3165         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3166         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3167         (<sse>_vmsqrt<mode>2): Ditto.
3168         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3169         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3170         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3171         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3172         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3173         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3174         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3175         insn constraint.
3176         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3177         iterator and SSE_FLOAT_MODE_P as insn constraint.
3178         (<sse>_ucomi): Ditto from similar patterns.
3179         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3180         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3181         SSE_VEC_FLOAT_MODE_P as insn constraint.
3182         (vcond<mode>): Ditto from similar patterns.
3183         (and<mode>3, *and<mode>3): Ditto.
3184         (<sse>_nand<mode>3): Ditto.
3185         (ior<mode>3, *ior<mode>3): Ditto.
3186         (xor<mode>3, *xor<mode>3): Ditto.
3187         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3188         iterator and SSE_FLOAT_MODE_P as insn constraint.
3189         (*nand<mode>3): Ditto from similar patterns.
3190         (*ior<mode>3): Ditto.
3191         (*xor<mode>3): Ditto.
3193 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3195         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3196         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3197         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3199 2008-02-19  Jan Hubicka  <jh@suse.cz>
3201         * predict.c (tree_bb_level_predictions): Remove variable next
3202         mistakely introduced by previous commit.
3204 2008-02-19  Jan Hubicka  <jh@suse.cz>
3206         * predict.c (predict_paths_leading_to): Rewrite.
3207         (predict_paths_for_bb): New.
3208         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3210 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3212         PR bootstrap/35218
3213         * Makefile.in (build_file_translate): New.
3214         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3215         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3216         * configure.ac (build_file_translate): Substitute it.
3217         * configure: Regenerate.
3219 2008-02-19  Jan Hubicka  <jh@suse.cz>
3221         PR rtl-optimization/34408
3222         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3223         invalid sharing.
3225 2008-02-19  Jan Hubicka  <jh@suse.cz>
3227         PR middle-end/28779
3228         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3229         call_expr.
3231 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3233         PR Ada/35186
3234         * config/i386/i386-modes.def: Revert the last DI alignment
3235         change until Ada people can look into it.
3237 2008-02-19  Nick Clifton  <nickc@redhat.com>
3239         * opts.c (print_specific_help): Fix typo in --help text.
3241 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3243         PR target/35239
3244         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3245         32-bit inline asm without asm alternatives for host GCC < 3.0.
3247 2008-02-19  Richard Guenther  <rguenther@suse.de>
3249         PR tree-optimization/34989
3250         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3251         Allow propagation to INDIRECT_REF if we can simplify only.
3253 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3255         * c-common.c (warn_for_collisions_1): Use appropriate option when
3256         warning.
3258 2008-02-19  Nick Clifton  <nickc@redhat.com>
3260         PR other/31349
3261         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3262         (handle_options): Fix indentation.
3263         (print_filtered_help): If no language-specific options were
3264         displayed tell the user how to list all the options supported by
3265         the language's front-end.
3266         (print_specific_help): Fix indentation and remove duplicate line.
3267         (common_handle_option): Handle the -v option.
3268         For --help enable the display of undocumented options if the -v
3269         switch has been included on the command line.
3270         For --help= check for overlaps in the arguments between the option
3271         classes and the language names and issue a warning when they
3272         cannot be disambiguated.
3273         * c.opt (v): Pass on to the common option handler.
3275 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3277         * modulo-sched.c (sms_schedule): Change dump message when
3278         create_ddg function fails.
3279         (try_scheduling_node_in_cycle): Rename row to cycle.
3280         (print_partial_schedule): Rename CYCLE to ROW.
3282 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3283             Zdenek Dvorak  <ook@ucw.cz>
3285         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3287 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3289         PR target/33555
3290         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3291         (*x86_movdicc_0_m1_se): Ditto.
3293 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3295         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3296         (CMPtype): Define as __gcc_CMPtype.
3297         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3298         (CMPtype): Define as __gcc_CMPtype.
3300 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3302         Support valgrind 3.3 for --enable-checking=valgrind.
3303         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3304         here.
3305         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3306         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3307         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3308         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3309         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3310         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3311         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3312         respectively.
3313         * ggc-zone.c: Similar.
3314         * ggc-page.c: Similar.
3316 2008-02-19  Paul Brook  <paul@codesourcery.com>
3318         PR target/35071
3319         * config/arm/ieee754-df.S: Fix do_it typo.
3320         * config/arm/ieee754-sf.S: Fix do_it typo.
3322 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3324         PR target/35189
3325         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3326         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3327         (OPTION_MASK_ISA_SSE_SET): Likewise.
3328         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3329         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3330         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3331         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3332         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3333         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3334         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3335         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3336         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3337         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3338         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3339         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3340         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3341         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3342         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3343         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3344         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3345         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3346         (OPTION_MASK_ISA_SSE4): Removed.
3347         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3348         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3349         (override_options): Don't turn on implied SSE/MMX bits in
3350         ix86_isa_flags.
3352 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3354         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3355         32bit host.
3357 2008-02-18  Joey Ye  <joey.ye@intel.com>
3359         PR middle-end/34921
3360         * tree-nested.c (insert_field_into_struct): Set type alignment
3361         to field alignment if the former is less than the latter.
3363 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3365         * BASE-VER: Set to 4.4.0.
3367 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3369         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3370         * doc/cfg.texi: Likewise.
3371         * doc/extend.texi: Likewise.
3372         * doc/gty.texi: Likewise.
3373         * doc/invoke.texi: Likewise.
3374         * doc/loop.texi: Likewise.
3375         * doc/md.texi: Likewise.
3376         * doc/passes.texi: Likewise.
3377         * doc/rtl.texi: Likewise.
3378         * doc/sourcebuild.texi: Likewise.
3379         * doc/tm.texi: Likewise.
3380         * doc/tree-ssa.texi: Likewise.
3382 2008-02-17  Richard Guenther  <rguenther@suse.de>
3384         PR middle-end/35227
3385         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3386         without default definition.
3388 2008-02-17  Richard Guenther  <rguenther@suse.de>
3390         PR tree-optimization/35231
3391         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3392         if A | B != 1.
3394 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3396         Revert:
3397         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3398         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3399         libgcc_cmp_return mode.
3401 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3403         PR c/28368
3404         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3406 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3408         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3409         multilibs.
3411 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3413         * doc/c-tree.texi: Use `@.' where appropriate.
3414         * doc/extend.texi: Likewise.
3415         * doc/install.texi: Likewise.
3416         * doc/invoke.texi: Likewise.
3417         * doc/loop.texi: Likewise.
3418         * doc/makefile.texi: Likewise.
3419         * doc/md.texi: Likewise.
3420         * doc/passes.texi: Likewise.
3421         * doc/standards.texi: Likewise.
3422         * doc/tm.texi: Likewise.
3424 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3426         PR middle-end/35196
3427         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3428         in entry_bb.
3429         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3430         rather than in entry_bb.
3432 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3434         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3435         libgcc_cmp_return mode.
3437 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3439         PR middle-end/35130
3440         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3441         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3443 2008-02-15  Richard Guenther  <rguenther@suse.de>
3444             Zdenek Dvorak  <ook@ucw.cz>
3446         PR tree-optimization/35164
3447         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3448         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3449         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3450         Only propagate addresses which do not have abnormal SSA_NAMEs
3451         in their operands.
3453 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3455         PR target/35088
3456         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3458 2008-02-15  Jan Hubicka  <jh@suse.cz>
3460         PR middle-end/35149
3461         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3463 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3465         PR middle-end/34621
3466         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3467         when calculating alignment_pad.
3469 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3471         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3472         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3473         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3474         and STACK_BOUNDARY define.
3476 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3478         PR preprocessor/35061
3479         * c-pragma.c (handle_pragma_pop_macro): Check that
3480         pushed_macro_table has been allocated.
3482 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3484         PR middle-end/35136
3485         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3486         (force_gimple_operand): Likewise.
3487         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3488         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3489         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3490         (find_interesting_uses_address): Check addressability and alignment
3491         of the base expression only after substituting bases of IVs into it.
3493 2008-02-14  Michael Matz  <matz@suse.de>
3495         PR target/34930
3496         * function.c (instantiate_virtual_regs_in_insn): Reload address
3497         before falling back to reloading the whole operand.
3499 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3501         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3502         before the first section switch note.
3504 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3506         * doc/bugreport.texi: Update copyright years.
3507         * doc/c-tree.texi: Likewise.
3508         * doc/cfg.texi: Likewise.
3509         * doc/cpp.texi: Likewise.
3510         * doc/cppinternals.texi: Likewise.
3511         * doc/fragments.texi: Likewise.
3512         * doc/frontends.texi: Likewise.
3513         * doc/gcc.texi: Likewise.
3514         * doc/gty.texi: Likewise.
3515         * doc/hostconfig.texi: Likewise.
3516         * doc/implement-c.texi: Likewise.
3517         * doc/libgcc.texi: Likewise.
3518         * doc/loop.texi: Likewise.
3519         * doc/makefile.texi: Likewise.
3520         * doc/options.texi: Likewise.
3521         * doc/passes.texi: Likewise.
3522         * doc/rtl.texi: Likewise.
3523         * doc/sourcebuild.texi: Likewise.
3524         * doc/standards.texi: Likewise.
3525         * doc/tree-ssa.texi: Likewise.
3526         * doc/trouble.texi: Likewise.
3528         * doc/extend.texi: Use @: or add comma where appropriate.
3529         * doc/invoke.texi: Likewise.
3530         * doc/tm.texi: Likewise.
3532 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3534         PR target/34393
3535         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3536         to a reg.
3538 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3540         * doc/md.texi (clz, ctz): Add reference.
3541         * doc/rtl.texi (clz, ctz): Likewise.
3543 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3545         PR other/35148
3546         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3547         srcdir.
3549 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3551         * config/s390/s390.c (struct constant_pool): New field
3552         emit_pool_after added.
3553         (s390_mainpool_start): Set the emit_pool_after flag according
3554         to the section switch notes.
3555         (s390_mainpool_finish): Consider emit_pool_after when emitting
3556         the literal pool at the end of the function.
3557         (s390_chunkify_start): Force literal pool splits at section
3558         switch notes.
3560 2008-02-13  Michael Matz  <matz@suse.de>
3562         PR debug/35065
3563         * var-tracking.c (clobber_variable_part): Correctly traverse the
3564         list.
3566 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3568         PR 29673
3569         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3570         Add -fdump-ipa-inline.
3571         * tree-dump.c (dump_files): Remove tree-inlined dump.
3572         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3573         
3574 2008-02-12  Richard Guenther  <rguenther@suse.de>
3576         PR tree-optimization/35171
3577         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3578         default defs.
3580 2008-02-12  Richard Guenther  <rguenther@suse.de>
3582         PR middle-end/35163
3583         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3584         value-preserving mode.  Disallow final truncation.
3586 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3588         PR middle-end/35136
3589         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3590         code from here to...
3591         (force_gimple_operand): ...here.
3593 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3595         PR c++/35144
3596         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3597         non-compatible pointers.
3598         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3599         different FIELD_DECLs, try harder by comparing field offsets, sizes
3600         and types.
3602         PR inline-asm/35160
3603         * function.c (match_asm_constraints_1): Don't replace the same input
3604         multiple times.
3606 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3608         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3609         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3610         (expand_epilogue): Restore RAMPZ register.
3611         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3613 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3615         * config/i386/cygwin.asm: (__alloca): Correct calling
3616         convention and alignment.
3617         (__chkstk): Force 8 byte stack alignment.
3619 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3620             Richard Guenther  <rguenther@suse.de>
3622         PR tree-optimization/33992
3623         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3624         the zero we compare against.
3626 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3628         PR libfortran/35063
3629         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3630         to CloseHandle after unlocking to prevent accumulation of handle
3631         count.
3633 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3635         PR middle_end/34150
3636         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3637         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3638         and update LABEL_NUSES during and after reload.
3640 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3642         PR middle-end/34627
3643         * combine.c (simplify_if_then_else): Make sure the comparison is
3644         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3646 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3648         PR bootstrap/35051
3649         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3650         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3651         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3652         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3653         * tree.h (get_type_static_bounds): Likewise.
3655 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3657         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3658         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3659         Make -Wfoo language annotations match what the compiler outputs.
3661 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3663         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3664         intrinsics spu_convts, spu_convtu, spu_convtf.
3665         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3667 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3669         * doc/extend.texi (Function Attributes) <noinline>: Mention
3670         asm ("") as method to keep calls.
3672 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3674         PR other/32754
3675         * doc/options.texi (Options): Replace references to opts.sh with
3676         optc-gen.awk.
3677         * opts-common.c: Likewise.
3678         * optc-gen.awk: Likewise.
3679         
3680 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3682         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3684 2008-02-07  Richard Henderson  <rth@redhat.com>
3686         PR rtl-opt/33410
3687         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3688         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3689         funny mode.
3691 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3693         PR tree-optimization/35085
3694         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3695         for operand entry oe2 in addition to operand entry oe3 in order to
3696         expose more opportunities for vectorizer sum reduction.
3698 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3700         PR other/35107
3701         * Makefile.in (LIBS): Remove $(GMPLIBS).
3702         (cc1-dummy, cc1): Add $(GMPLIBS).
3704 2008-02-06  Jan Hubicka  <jh@suse.cz>
3706         PR target/23322
3707         * i386.md (moddf_integer): Do not produce partial memory stalls for
3708         targets where it hurts.
3710 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3712         PR target/35083
3713         * optabs.c (expand_float): Do not check for decimal modes when
3714         expanding unsigned integer through signed conversion.
3716 2008-02-06  Nick Clifton  <nickc@redhat.com>
3718         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3719         inside the clobber with a match_operand and duplicated operand
3720         number in the constraint.
3721         (ineqbranchsi): Delete redundant comment.
3723 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3725         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3726         builtin_define ("__USE_INIT_FINI__").
3727         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3728         -msx multilibs.
3729         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3731 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3733         PR documentation/30330
3734         * doc/invoke.texi (C++ Dialect Options)
3735         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3736         For each warning option -Wfoo that allows -Wno-foo, ensure both
3737         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3738         entry of -Wswitch-default, index -Wnormalized= including the
3739         `=', and -Wlarger-than-@var{len} including @var{len}.
3741 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3743         * config/i386/i386.md (floatunssisf2): Use
3744         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3745         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3746         Macroize expander using MODEF mode iterator.
3748 2008-02-05  Diego Novillo  <dnovillo@google.com>
3750         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3752         PR 33738
3753         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3755 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3757         PR other/35070
3758         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3760 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3762         PR target/35084
3763         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3764         to indicate if a message should be generated.
3765         (init_cumulative_args): Updated.
3766         (function_value_32): Likewise.
3768 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3770         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3772 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3774         PR target/35083
3775         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3776         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3778 2008-02-04  Diego Novillo  <dnovillo@google.com>
3780         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3782         PR 33738
3783         * tree-vrp.c (vrp_evaluate_conditional): With
3784         -Wtype-limits, emit a warning when comparing against a
3785         constant outside the natural range of OP0's type.
3787 2008-02-04  Richard Guenther  <rguenther@suse.de>
3789         PR middle-end/33631
3790         * expr.c (count_type_elements): Give for unions instead of
3791         guessing.
3793 2008-02-04  Richard Guenther  <rguenther@suse.de>
3795         PR middle-end/35043
3796         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3797         to TYPE_DOMAINs base type instead of using bitsizetype here.
3799 2008-02-03  Jason Merrill  <jason@redhat.com>
3801         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3803 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3805         PR other/29972
3806         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3807         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3808         (RS/6000 and PowerPC Options): Fix typos and markup.
3809         * doc/passes.texi (Tree-SSA passes): Likewise.
3811 2008-02-02  Michael Matz  <matz@suse.de>
3813         PR target/35045
3814         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3815         from record_last_reg_set_info.
3816         (record_last_reg_set_info): Take an RTX argument, iterate over all
3817         constituent hardregs.
3818         (record_last_set_info, record_opr_changes): Change calls to
3819         new signature or to record_last_reg_set_info_regno.
3821 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3823         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3825 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3827         PR rtl-optimization/34773
3828         * reg-notes.def (EQUAL): Mention significance of combination of
3829         REG_EQUAL and REG_RETVAL.
3830         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3831         insn that has a REG_RETVAL.
3833 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3835         PR bootstrap/33781
3836         * configure.ac (--enable-fixed-point): Disable unless explicitly
3837         requested on IRIX.
3838         * configure: Regenerate.
3840 2008-02-01  Richard Guenther  <rguenther@suse.de>
3842         PR other/35042
3843         * invoke.texi (-finline-limit): Remove no longer true parts
3844         of the documentation.  Note that there is no default value.
3846 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3847             Mark Mitchell  <mark@codesourcery.com>
3848             Ben Elliston  <bje@au.ibm.com>
3850         PR c/29326
3851         * doc/extend.texi (Other Builtins): Document.
3853 2008-01-31  Tom Browder <tom.browder@gmail.com>
3855         * doc/c-tree.texi (Types): Fix grammar.
3856         (Expression trees): Ditto.
3857         * doc/passes.texi (Tree-SSA passes): Ditto.
3858         
3859         * doc/configterms.texi (Configure Terms): Fix typo.
3860         * doc/cpp.texi (Common Predefined Macros): Ditto.
3861         * doc/md.texi (Machine Constraints): Ditto.
3862         
3863         * doc/makefile.texi (Makefile): Add comma.
3865 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3866             Gerald Pfeifer  <gerald@pfeifer.com>
3867         
3868         * doc/sourcebuild.texi (Front End): Remove references to CVS
3869         and CVSROOT/modules.
3870         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3871         (Back End): Remove reference to CVS.
3873 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3875         PR target/34900
3876         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3877         comment from...
3878         (mips16_gp_pseudo_reg): ...here.
3879         * config/mips/mips.md (load_const_gp): Replace with...
3880         (load_const_gp_<mode>): ...this :P-based insn.
3882 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3884         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3885         options. Minor fixes.
3886         (-std): Move reference to standards closer to where language
3887         standards are first mentioned.
3888         
3889 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3891         PR rtl-optimization/34995
3892         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3893         parameter and return a bool.  If the rtx parameter is nonnull,
3894         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3895         (find_reloads): Update call accordingly.  Pass the new operand
3896         if it needed no address reloads, otherwise pass null.
3898 2008-01-30  Richard Henderson  <rth@redhat.com>
3900         PR c/34993
3901         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3902         for unbounded arrays.
3904 2008-01-30  Silvius Rus  <rus@google.com>
3906         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3908 2008-01-30  Jan Hubicka  <jh@suse.cz>
3910         PR target/34982
3911         * i386.c (init_cumulative_args): Use real function declaration when
3912         calling locally.
3914 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3916         PR rtl-optimization/34998
3917         * global.c (build_insn_chain): Treat non-subreg_lowpart
3918         SUBREGs of pseudos as clobbering all the words covered by the
3919         SUBREG, not just all the bytes.
3920         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3921         original df_ref rather than an extract parameter.
3922         (global_conflicts): Update call accordingly.
3924 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3926         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3927         the overflow check to make it easier to read.
3928         (__fixtfdi): Change the type of the ll member in union
3929         long_double to UDItype_x.
3931 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3933         PR middle-end/34969
3934         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3935         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3936         * tree-inline.c (fold_marked_statements): Call
3937         cgraph_update_edges_for_call_stmt if folding a call statement.
3938         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3939         debug_generic_stmt calls, reset it back afterwards.
3941         PR c/35017
3942         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3943         static decls.
3944         * c-typeck.c (build_external_ref): Don't pedwarn about
3945         static vars in current function's scope.
3947 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3949         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3951 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3953         PR c/35002
3954         * ipa-struct-reorg.c: Fix spelling.
3955         * params.def: Ditto.
3957 2008-01-29  Richard Guenther  <rguenther@suse.de>
3959         PR middle-end/35006
3960         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3961         field.
3962         * tree-inline.c (remap_type): Increment remapping_type_depth
3963         around remapping types.
3964         (copy_body_r): Only add referenced variables if they are referenced
3965         from code, not types.
3967 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3969         PR c++/34055
3970         PR c++/34103
3971         PR c++/34219
3972         PR c++/34606
3973         PR c++/34753
3974         PR c++/34754
3975         PR c++/34755
3976         PR c++/34919
3977         PR c++/34961
3978         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3979         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3981 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3983         PR target/34412
3984         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3985         pointer for tiny stack.
3987 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3989         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3991 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3993         * config/vx-common.h: Fix typo in comment.
3995 2008-01-28  Ian Lance Taylor  <iant@google.com>
3997         PR c++/34862
3998         PR c++/33407
3999         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4000         coalesce pointers if they have different DECL_NO_TBAA_P values.
4001         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4002         between variables with different DECL_NO_TBAA_P values.
4004 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4006         PR 31535
4007         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4008         are not legitimate small data references on SPE targets.
4010 2008-01-28  David Daney  <ddaney@avtrex.com>
4012         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4014 2008-01-28  David Daney  <ddaney@avtrex.com>
4016         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4018 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4020         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4021         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4022         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4023         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4024         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4025         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4026         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4027         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4029 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4031         * basic-block.h (condjump_equiv_p): Fix comment.
4033 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4035         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4036         print_generic_stmt_indented): Fix comment.
4038 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4040         * configure.ac (__stack_chk_fail): Add detecion for availability
4041         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4042         * configure: Regenerate.
4044 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4046         PR middle-end/34688
4047         * final.c (output_addr_const): Handle TRUNCATE.
4049 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4051         PR target/34711
4052         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4053         (zero_cost, infinite_cost): New constants.
4054         (struct cost_pair): Change type of cost to comp_cost.
4055         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4056         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4057         New functions.
4058         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4059         split_address_cost, ptr_difference_cost, difference_cost,
4060         get_computation_cost_at, get_computation_cost,
4061         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4062         determine_use_iv_cost_condition, determine_use_iv_costs,
4063         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4064         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4065         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4066         Change type of cost to comp_cost.
4067         (determine_iv_cost): Increase cost of non-original ivs, instead
4068         of decreasing the cost of original ones.
4069         (get_address_cost): Indicate the complexity of the addressing mode 
4070         in comp_cost.
4071         (try_add_cand_for): Prefer using ivs not specific to some object.
4072         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4074 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4075             Janis Johnson  <janis187@us.ibm.com>
4077         PR target/34814
4078         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4079         (TARGET_INSTANTIATE_DECLS): Likewise.
4080         * target.h (expand_to_rtl_hook): New target hook.
4081         (instantiate_decls): Likewise.
4082         * function.c (instantiate_decl): Make non-static.  Rename to...
4083         (instantiate_decl_rtl): ... this.
4084         (instantiate_expr): Use instantiate_decl_rtl.
4085         (instantiate_decls_1): Likewise.
4086         (instantiate_decls): Likewise.
4087         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4088         * function.h (instantiate_decl_rtl): Add prototype.
4089         * cfgexpand.c (target.h): New include.
4090         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4091         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4092         (TARGET_INSTANTIATE_DECLS): Likewise.
4093         (TARGET_INITIALIZER): New target hooks added.
4094         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4095         New prototype.
4096         * config/rs6000/rs6000.c (tree-flow.h): New include.
4097         (machine_function): Add sdmode_stack_slot field.
4098         (rs6000_alloc_sdmode_stack_slot): New function.
4099         (rs6000_instantiate_decls): Likewise.
4100         (rs6000_secondary_memory_needed_rtx): Likewise.
4101         (rs6000_check_sdmode): Likewise.
4102         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4103         (TARGET_INSTANTIATE_DECLS): Likewise.
4104         (rs6000_hard_regno_mode_ok): Allow SDmode.
4105         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4106         (rs6000_emit_move): Handle SDmode.
4107         (function_arg_advance): Likewise.
4108         (function_arg): Likewise.
4109         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4110         SDmode var args for 32-bit compiles.
4111         (rs6000_secondary_reload_class): Handle SDmode.
4112         (rs6000_output_function_epilogue): Likewise.
4113         (rs6000_function_value): Simplify if statement.
4114         (rs6000_libcall_value): Likewise.
4115         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4116         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4117         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4118         (movsd_hardfloat): New define_insn.
4119         (movsd_softfloat): Likewise.
4120         (movsd_store): Likewise.
4121         (movsd_load): Likewise.
4122         (extendsddd2): Likewise.
4123         (extendsdtd2): Likewise.
4124         (truncddsd2): Likewise.
4125         (movdd_hardfloat64): Fixup comment.
4126         (UNSPEC_MOVSD_LOAD): New constant.
4127         (UNSPEC_MOVSD_STORE): Likewise.
4129 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4131         PR c++/34965
4132         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4133         TRUTH_XOR_EXPR.
4134         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4135         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4136         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4137         and TRUTH_XOR_EXPR.
4139 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4141         PR target/34794
4142         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4143         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4144         __LONGDOUBLE128 too.
4145         * config/rs6000/aix61.h: New file.
4147 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4149         PR rtl-optimization/34959
4150         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4151         popcount and parity rtxes the same mode as their operand.
4152         Truncate or extend the result to the return value's mode
4153         if necessary.
4155 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4157         PR target/34981
4158         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4159         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4160         to GOT_VERSION_REGNUM.
4161         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4162         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4163         * config/mips/mips.c (mips_emit_call_insn): New function.
4164         (mips_call_tls_get_addr): Call mips_expand_call directly.
4165         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4166         emit_call_insn.
4167         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4168         (mips_expand_call): Update the call to mips16_build_call_stub
4169         accordingly and a remove redundant condition.  Assert that MIPS16
4170         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4171         the call insn.
4172         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4173         TARGET_USE_GOT.
4174         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4175         (mips_avoid_hazard): Remove hazard_set handling.
4176         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4177         (UNSPEC_RESTORE_GP): ...this.
4178         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4179         (FAKE_CALL_REGNO): Rename to...
4180         (GOT_VERSION_REGNUM): ...this.
4181         (type): Add "ghost" value.  Add an associated insn reservation.
4182         (hazard_set): Remove.
4183         (exception_receiver): Rename to...
4184         (restore_gp): ...this and update the unspec identifier accordingly.
4185         (exception_receiver, nonlocal_got_receiver): New expanders.
4186         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4187         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4188         (set_got_version, update_got_version): New patterns.
4190 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4192         PR target/34970
4193         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4195 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4197         PR other/31955
4198         * doc/install.texi2html: Generate gcc-vers.texi.
4200 2008-01-25  DJ Delorie  <dj@redhat.com>
4202         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4204 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4206         * config/c4x: Remove directory.
4207         * config.gcc (crx-*, mt-*): Mark obsolete.
4208         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4209         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4210         sh-*-rtemscoff*): Remove cases.
4211         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4212         * real.c (encode_c4x_single, decode_c4x_single,
4213         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4214         c4x_extended_format): Remove.
4215         * real.h (c4x_single_format, c4x_extended_format): Remove.
4216         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4217         on C4x.
4218         (Pragmas): Remove comment about c4x pragmas.
4219         * doc/install.texi (c4x): Remove target-specific instructions.
4220         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4221         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4222         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4223         refer to C4x source files as examples.
4224         (C4X_FLOAT_FORMAT): Remove documentation.
4226 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4228         * config/bfin/bfin.c (override_options): Reorder tests so that
4229         flag_pic gets enabled for -msep-data.
4231 2008-01-25  Richard Guenther  <rguenther@suse.de>
4233         PR middle-end/32244
4234         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4235         to its bitfield precision if required.
4237 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4239         PR middle-end/33880
4240         * tree-nested.c (walk_omp_for): New function.
4241         (convert_nonlocal_reference, convert_local_reference): Call
4242         walk_omp_for on OMP_FOR.
4243         (convert_call_expr): Call walk_body on OMP_FOR's
4244         OMP_FOR_PRE_INIT_BODY.
4246 2008-01-25  Richard Guenther  <rguenther@suse.de>
4248         PR tree-optimization/34966
4249         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4250         default defs and PHI_NODEs we have to insert after the
4251         defining statement.
4253 2008-01-24  Nick Clifton  <nickc@redhat.com>
4255         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4256         Provide a default definition.
4257         (LIBGCC2_UNITS_PER_WORD): Likewise.
4259         * config/stormy16/stormy16.c: Include df.h for the prototype
4260         for df_regs_ever_live_p.
4261         (xstormy16_expand_builtin_va_start): Convert the stack offset
4262         into a component_ref and then use POINTER_PLUS_EXPR to add it
4263         to the incoming_virtual_args_rtx.
4264         (xstormy16_gimplify_va_arg_expr): Rename to
4265         xstormy16_gimplify_va_arg_expr.
4266         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4267         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4268         xstormy16_gimplify_va_arg_expr.
4269         Fix up some formatting issues.
4271         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4272         Move to predicates.md.
4273         (xs_hi_general_operand): Likewise.
4274         (xs_hi_nonmemory_operand): Likewise.
4275         * config/stormy16/predicates.md:
4276         (xstormy16_carry_plus_operand): New predicate.
4277         (xs_hi_general_operand): New predicate.
4278         (xs_hi_nonmemory_operand): New predicate.
4279         * config/stormy16/stormy16-protos.h:
4280         (xstormy16_carry_plus_operand): Delete prototype.
4281         (xs_hi_general_operand): Likewise.
4282         (xs_hi_nonmemory_operand): Likewise.
4284         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4285         modifiers as they are no longer needed and they can trigger
4286         reload spill failures.
4288         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4289         with a match_operand in order to help reload.
4291         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4292         constraint with 'e' for the 8th alternative as this version of
4293         the mov.w instruction only accepts the lower 8 registers.
4295 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4297         PR target/34856
4298         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4299         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4300         vector elements.
4302 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4304         PR middle-end/33333
4305         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4307 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4309         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4310         New functions.
4311         (remove_structure): Update allocations list before removing structure.
4312         
4313 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4315         * ipa-struct-reorg.c (is_safe_cond_expr, 
4316         create_new_stmts_for_cond_expr): Use integer_zerop function,
4317         that recognize not only zero-pointer, but zero-integer too.
4319 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4321         PR other/22232
4322         * fixproto: Escape "." in sed expression that strips leading "./".
4324 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4326         PR driver/34904
4327         * gcc.c (SWITCH_OK): Removed.
4328         (SWITCH_LIVE): Changed to bit.
4329         (SWITCH_FALSE): Likewise.
4330         (SWITCH_IGNORE): Likewise.
4331         (switchstr): Change live_cond to unsigned int.
4332         (process_command): Replace SWITCH_OK with 0.
4333         (do_self_spec): Likewise.
4334         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4335         (give_switch): Likewise.
4336         (used_arg): Likewise.
4337         (do_spec_1): Set the SWITCH_IGNORE bit.
4338         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4339         bits.  Set the SWITCH_LIVE bit.
4341 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4343         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4345 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4347         PR tree-optimization/34472
4348         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4349         parameter to a "bool *" and set *DATA to false if there is
4350         an unsafe access.  Do not delete the structure here.
4351         (check_cond_exprs): Delete it here instead.
4352         (check_cond_exprs, exclude_cold_structs): Do not increase
4353         I when removing a structure.
4355 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4357         PR target/34856
4358         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4359         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4361 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4363         PR middle-end/34934
4364         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4365         a fixed vector for stack.
4367 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4369         PR c++/25701
4370         * doc/gcc.texi (Software development): Add a direntry for g++.
4371         
4372 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4374         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4375         stale and straggling -fforce-addr comments above.
4377         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4378         define.
4379         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4380         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4382 2008-01-23  Michael Matz  <matz@suse.de>
4384         PR debug/34895
4385         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4386         gen_type_die.
4388 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4390         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4391         malloc result type.
4393 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4395         * config/avr/avr.c (avr_current_arch): New variable.
4396         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4397         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4398         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4399         (avr_override_options): Init 'avr_current_arch'. 
4400         (base_arch_s): Move from here...
4401         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4402         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4403         'mega' to 'have_jmp_call'.
4404         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4405         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4406         macros.
4407         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4408         architectures.
4409         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4410         MULTILIB_MATCHES): (Ditto.).
4412 2008-01-23  Richard Guenther  <rguenther@suse.de>
4414         PR middle-end/31529
4415         * cgraphunit.c (cgraph_reset_node): Always mark the node
4416         not reachable if it is not queued already.
4418 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4420         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4421         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4422         (cputype_selected): New static variable.
4423         (bfin_handle_option): Set it if -mcpu is used.
4424         (override_option): Select default set of workarounds if no cpu type
4425         selected on the command line.
4426         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4428         From  Michael Frysinger  <michael.frysinger@analog.com>
4429         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4430         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4432         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4433         for bf547, bf523, bf524, and bf526.
4434         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4435         bf526.
4436         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4437         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4438         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4439         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4440         * doc/invoke.texi (Blackfin Options): Document that
4441         -mcpu now accept bf547, bf523, bf524, and bf526.
4443 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4445         PR rtl-optimization/34628
4446         * combine.c (try_combine): Stop and undo after the first combination
4447         if an autoincrement side-effect on the first insn has effectively
4448         been lost.
4450 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4452         PR target/34529
4453         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4454         Offset addresses are not valid for Altivec or paired float modes.
4456 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4458         PR c++/34607
4459         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4460         if DECL_INITIAL (decl) is error_mark_node.
4462         PR c++/34914
4463         * c-common.c (handle_vector_size_attribute): Only allow
4464         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4465         the same way as pointer, array etc. types.
4466         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4468         PR c++/34917
4469         * tree.c (build_type_attribute_qual_variant): Call
4470         build_qualified_type if attributes are equal, but quals are not.
4472 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4474         PR 32102
4475         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4476         * flags.h (warn_strict_aliasing): Remove.
4477         (warn_strict_overflow): Remove.
4478         * opts.c (warn_strict_aliasing): Remove.
4479         (warn_strict_overflow): Remove.
4480         * c-opts.c (c_common_handle_option): -Wall only sets
4481         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4482         (c_common_post_options): Give default values to -Wstrict-aliasing
4483         and -Wstrict-overflow if they are uninitialized.
4484         * common.opt (Wstrict-aliasing): Specify Var and Init.
4485         (Wstrict-overflow): Likewise.
4487 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4489         PR rtl-optimization/26854
4490         PR rtl-optimization/34400
4491         PR rtl-optimization/34884
4492         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4493         DF_RD->gen.
4494         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4495         (df_rd_bb_info.expanded_lr_out): Deleted
4496         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4497         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4498         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4499         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4500         Removed code to allocate, initialize or free expanded_lr_out.
4501         (df_rd_bb_local_compute_process_def): Restructured to make more
4502         understandable.
4503         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4504         sets if the sets are being trimmed.
4506 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4508         PR bootstrap/32287
4509         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4510         (as_vers): Likewise.
4511         * configure: Regenerated.
4513 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4515         PR middle-end/33092
4516         * tree-pass.h (pass_build_alias): New pass.
4517         * tree-ssa-alias.c (gate_build_alias): New.
4518         (pass_build_alias): New.
4519         * passes.c (init_optimization_passes): Add pass_build_alias after
4520         pass_create_structure_vars.
4522 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4524         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4525         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4526         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4527         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4528         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4529         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4530         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4531         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4532         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4533         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4534         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4535         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4536         * config/s390/s390.md (FP_ALL): New mode iterator.
4537         (_d): New mode attribute.
4538         ("*signbit<mode>2>"): Changed mode of first operand.
4539         ("isinf<mode>2"): Changed mode of first operand.
4540         ("*TDC_insn"): Adaptation for DFP modes.
4542 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4544         * tree.c (check_qualified_type): Improve function description.
4546 2008-01-21  Jason Merrill  <jason@redhat.com>
4548         PR c++/34196
4549         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4550         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4551         if it is set.
4553 2008-01-21  DJ Delorie  <dj@redhat.com>
4555         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4556         return zero.
4558 2008-01-21  Richard Guenther  <rguenther@suse.de>
4560         PR middle-end/34856
4561         * tree-cfg.c (verify_expr): Allow all invariant expressions
4562         instead of just constant class ones as reference argument.
4563         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4564         like any other constant.
4565         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4567 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4569         * regmove.c (fixup_match_1): Update call crossed frequencies.
4571 2008-01-21  Richard Guenther  <rguenther@suse.de>
4573         PR c/34885
4574         * tree-inline.c (setup_one_parameter): Deal with mismatched
4575         types using a VIEW_CONVERT_EXPR.
4577 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4578             Olga Golovanevsky  <olga@il.ibm.com>
4579         
4580         PR tree-optimization/34701
4581         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4582         when the structure size is not a power of 2.
4584 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4586         * doc/install.texi: Add doc for --enable-checking=df.
4587         
4588 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4590         PR rtl-optimization/34808
4591         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4593 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4595         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4596         input.
4598 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4600         PR rtl-optimization/26854
4601         PR rtl-optimization/34400
4602         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4603         DF_RD->gen.
4604         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4605         (df_rd_bb_info.expanded_lr_out): New.
4606         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4607         * loop_iv.c (iv_analysis_loop_init): Ditto.
4608         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4609         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4610         Added code to allocate, initialize or free expanded_lr_out.
4611         (df_rd_bb_local_compute_process_def): Restructured to make
4612         more understandable.
4613         (df_rd_confluence_n): Add code to do nothing with fake edges and
4614         code to no apply invalidate_by_call sets if the sets are being trimmed.
4615         (df_lr_local_finalize): Renamed to df_lr_finalize.
4616         (df_live_local_finalize): Renamed to df_live_finalize.
4618 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4620         PR target/34831
4621         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4622         deciding whether to use reciprocal instructions.
4624 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4626         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4627         dwarf2out_note_section_used if cold_text_section is NULL.
4629 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4631         PR gcov-profile/34610
4632         * tree-cfg.c (make_edges): Mark both outgoing edges from
4633         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4634         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4635         from OMP_FOR and OMP_CONTINUE outgoing edges.
4637         * tree-profile.c (tree_profiling): Return early if
4638         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4639         at the end.
4640         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4641         from cfun to child_cfun.
4642         * function.h (struct function): Add after_tree_profile bit.
4644 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4646         * config/avr/avr.S (_exit): Disable interrupt.
4648 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4649             Steven Bosscher  <stevenb.gcc@gmail.com>
4651         PR rtl-optimization/26854
4652         PR rtl-optimization/34400
4653         * df-problems.c (df_live_scratch): New scratch bitmap.
4654         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4655         (df_live_reset): Clear the proper bitmaps.
4656         (df_live_bb_local_compute): Only process the artificial defs once
4657         since the order is not important.
4658         (df_live_init): Init the df_live sets only with the variables
4659         found live by df_lr.
4660         (df_live_transfer_function): Use the df_lr sets to prune the
4661         df_live sets as they are being computed.  
4662         (df_live_free): Free df_live_scratch.
4664 2008-01-18  Ian Lance Taylor  <iant@google.com>
4666         * common.opt: Add fmerge-debug-strings.
4667         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4668         flag_merge_debug_strings rather than flag_merge_constants.
4669         * doc/invoke.texi (Option Summary): Mention
4670         -fmerge-debug-strings.
4671         (Debugging Options): Document -fmerge-debug-strings.
4673 2008-01-18  Ian Lance Taylor  <iant@google.com>
4675         PR c++/33407
4676         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4677         (struct tree_function_decl): Add new field operator_new_flag.
4678         * tree-inline.c (expand_call_inline): When inlining a call to
4679         operator new, force the return value to go into a variable, and
4680         set DECL_NO_TBAA_P on that variable.
4681         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4683 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4685         PR debug/34484
4686         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4687         DWARF2_DEBUGGING_INFO.
4688         (dwarf2out_note_section_used): Ditto.  Add prototype.
4689         (have_multiple_function_sections, text_section_used,
4690         cold_text_section_used, *cold_text_sections): Move declarations
4691         before their uses.
4693 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4695         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4696         field and add signal_ra.
4697         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4698         assignments to frame state pc.  Move end of stack check after
4699         MD_FALLBACK_FRAME_STATE_FOR.
4700         (uw_update_context_1): Use frame state signal_regs if set, instead
4701         of checking signal_frame flag.
4702         (uw_update_context): Use frame state signal_ra if set.
4703         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4704         * config/xtensa/linux-unwind.h: New file.
4706 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4708         * modulo-sched.c (get_sched_window): Fix comment typo.
4710 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4712         PR tree-optimization/34648
4713         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4715 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4717         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4718         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4720 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4722         PR rtl-optimization/34400
4723         * df-core.c (df_worklist_dataflow_overeager,
4724         df_worklist_dataflow_doublequeue): New functions.
4725         (df_worklist_dataflow): Two different worklist solvers.
4726         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4727         New param.
4729 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4731         PR testsuite/34821
4732         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4733         and ftree-parallelize-loops.
4735 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4737         PR rtl-optimization/34826
4738         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4740 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4742         * global.c (find_reg): Mark the eh regs as used if necessary.
4743         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4744         * ra.h (struct allocno): no_eh_reg field added.  Changed
4745         no_stack_reg type to bitfield.
4747 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4749         * tree.c (substitute_in_expr): Add missing 'break'.
4751 2008-01-17  Richard Guenther  <rguenther@suse.de>
4753         PR tree-optimization/34825
4754         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4755         x / x as division to handle.
4757 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4759         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4760         "-pthread" is specified.
4761         * pa-hpux11.h (LIB_SPEC): Likewise.
4763 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4764             Peter Bergner  <bergner@vnet.ibm.com>
4766         PR rtl-optimization/33796
4767         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4769 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4771         PR libgfortran/34699
4772         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4773         static links.
4774         * pa-hpux10.h (LINK_SPEC): Likewise.
4775         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4777 2008-01-16  Richard Guenther  <rguenther@suse.de>
4779         PR middle-end/32628
4780         * fold-const.c (fold_convert_const_int_from_int): Do not
4781         set overflow if that occured only because of a sign extension
4782         change when converting from/to a sizetype with the same
4783         precision and signedness.
4785 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4787         PR debug/34249
4788         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4789         location address to the correct place.  Update copyright year.
4791 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4793         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4794         no dependences in the dependence_relations vector.
4796 2008-01-16  Jan Hubicka  <jh@suse.cz>
4798         PR rtl-optimization/31396
4799         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4800         * cfg.c (dump_reg_info): Print it.
4801         * regs.h (struct reg_info_t): add freq_calls_crossed.
4802         (REG_FREQ_CALLS_CROSSED): New macro.
4803         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4804         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4805         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4806         regmove_optimize): Update call crossed frequencies.
4807         * local-alloc.c (struct qty): Add freq_calls_crossed.
4808         (alloc_qty): Copute freq_calls_crossed.
4809         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4810         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4811         * ra.h (struct allocno): Add freq_calls_crossed.
4813 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4815         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4816         libgomp when compiling with ftree-parallelize-loops.
4817         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4819 2008-01-16  Richard Guenther  <rguenther@suse.de>
4821         PR tree-optimization/34769
4822         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4823         * tree.c (int_cst_value): Instead make this function more
4824         permissive in what it accepts as valid input.  Document this
4825         function always sign-extends the value.
4827 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4828             Richard Guenther  <rguenther@suse.de>
4830         PR c/34668
4831         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4832         (gimple_fold_indirect_ref_rhs): ... this.
4833         (gimple_fold_indirect_ref): New function with foldings
4834         that preserve lvalueness.
4835         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4836         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4837         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4838         to fold an INDIRECT_REF, fall back to the old use of
4839         fold_indirect_ref_1.
4841 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4843         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4844         free_conflict_function.
4845         (compute_self_dependence): Same.
4847 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4849         PR debug/34249
4850         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4851         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4852         function global.
4853         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4854         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4855         for DWARF2_UNWIND_INFO targets.
4857 2008-01-16  Richard Guenther  <rguenther@suse.de>
4859         PR c/34768
4860         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4861         type qualifiers for function types.
4863 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4865         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4866         loop_iterator li from previous commit.
4868 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4870         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4872 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4874         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4875         (parallelize_loops): Don't parallelize irreducible components.
4877 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4879         PR c++/24924
4880         * c-opts (c_common_post_options): Do not enable CPP
4881         flag_pedantic_errors by default.
4882         
4883 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4885         PR rtl-optimization/31944
4886         * cse.c (remove_pseudo_from_table): New function.
4887         (merge_equiv_classes): Use above function to remove pseudo-registers.
4888         (invalidate): Likewise.
4890 2008-01-13  Richard Guenther  <rguenther@suse.de>
4892         PR middle-end/34601
4893         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4894         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4896 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4898         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4899         validate_change to unshare the source of the PC set.
4901 2008-01-12  Jan Hubicka  <jh@suse.cz>
4903         PR middle-end/32135
4904         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4905         references above array bounds.  This might trigger bounds checks for
4906         pointers to arrays.
4908 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4910         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4911         new_replaceable_dependencies.
4913 2008-01-12  Doug Kwan  <dougkwan@google.com>
4915         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4916         instead of OPT_Wreturn_type in warning due to ignored return type
4917         qualifiers.
4918         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4919         options included in -Wextra.
4920         * c.opt: New option -Wignored_qualifiers.
4921         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4922         -Wignore_qualifiers.
4923         (-Wignored-qualifiers): Document.
4924         (-Wreturn-type): Remove description of functionality now handled
4925         by -Wignored-qualifiers.
4927 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4929         PR ada/33788
4930         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4931         NOP_EXPR if it is between integral types with the same precision.
4933 2008-01-12  Jan Hubicka  <jh@suse.cz>
4935         PR other/28023
4936         * invoke.texi (max-inline-recursive-depth): Fix default value.
4938 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4940         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4941         correct type.
4943 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4944         
4945         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4946         
4947 2008-01-11  James E. Wilson  <wilson@specifix.com>
4949         PR target/26015
4950         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4952 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4954         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4955         save/restore frame pointer register and don't use 'call-prologues' 
4956         optimization in function with "OS_task" attribute.
4958 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4960         PR middle-end/31309
4961         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4962         when copying to memory.
4964 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4966         PR rtl-optimization/30905
4967         * cfgcleanup.c: Include dce.h
4968         (crossjumps_occured): New global variable.
4969         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4970         If something changed, set crossjumps_occured to true.
4971         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4972         Don't add/remove fake edges to exit here...
4973         (cleanup_cfg): ...but do it here, when crossjumping.
4974         Run a fast DCE when successful crossjumps occured in the latest
4975         iteration of try_optimize_cfg.
4977 2008-01-11  Richard Guenther  <rguenther@suse.de>
4979         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4980         (struct vn_unary_op_s): Likewise.
4981         (vn_reference_insert): Free old reference on hash collision.
4983 2008-01-10  Raksit Ashok  <raksit@google.com>
4985         PR rtl-optimization/27971
4986         * combine.c (find_split_point): Split PLUS expressions which are
4987         inside a MEM rtx, and whose first operand is complex.
4989 2008-01-10  DJ Delorie  <dj@redhat.com>
4991         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4992         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4993         (m32c_hard_regno_ok): Call the underlying function.
4995 2008-01-10  Richard Guenther  <rguenther@suse.de>
4997         PR middle-end/34683
4998         * tree-cfg.c (tree_merge_blocks): Do not go through the
4999         full-blown folding and stmt updating path if we just deal
5000         with virtual operands.
5001         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5002         test for abnormal SSA_NAMEs.
5004 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5006         PR middle-end/34641
5007         * reload.c (push_reload): Add assertions.  All constants from
5008         reg_equiv_constant should have been used for replacing the respective
5009         pseudo earlier.
5010         (find_reloads_address): Invoke find_reloads_address_part for
5011         constant taken from the reg_equiv_constant array.
5013 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5015         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5016         field (valnum) the first in the struct.  Replace bools with
5017         unit bit fields.
5019 2008-01-10  Richard Guenther  <rguenther@suse.de>
5021         PR tree-optimization/34651
5022         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5023         types and ordering for masking and converting.
5025 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5027         PR tree-optimization/34017
5028         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5029         also for PHI_NODE expressions.
5031 2008-01-09  Jan Hubicka  <jh@suse.cz>
5033         PR tree-optimization/34708
5034         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5035         based on number of case labels.
5036         (init_inline_once): Remove switch_cost.
5037         * tree-inline.h (eni_weights_d): Remove switch_cost.
5039 2008-01-09  Richard Guenther  <rguenther@suse.de>
5040         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5042         PR middle-end/30132
5043         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5044         temporary if an rvalue is ok or an lvalue is not required.
5046 2008-01-09  Richard Guenther  <rguenther@suse.de>
5048         PR middle-end/34458
5049         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5050         adjust return type.
5052 2008-01-09  Richard Guenther  <rguenther@suse.de>
5054         PR middle-end/34679
5055         * tree.c (host_integerp): Check for sizetype only if the
5056         type is an integer type.
5058 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5060         PR debug/26364
5061         * opts.c (decode_options): Disable inlining of functions called
5062         once if not in unit-at-a-time mode.
5064 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5066         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5068 2008-01-08  Richard Guenther  <rguenther@suse.de>
5070         PR middle-end/31863
5071         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5072         out early if the result will be unused.
5074 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5076         PR target/34709
5077         Revert:
5079         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5080         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5081         for TARGET_RECIP.       
5082         
5083 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5084         
5085         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5086         for vectorization tuned.
5087         
5088 2008-01-08  Richard Guenther  <rguenther@suse.de>
5090         PR tree-optimization/34683
5091         * tree-ssa-operands.c (operand_build_cmp): Export.
5092         * tree-ssa-operands.h (operand_build_cmp): Declare.
5093         * tree-vn.c (vuses_compare): Remove.
5094         (sort_vuses): Use operand_build_cmp.
5095         (sort_vuses_heap): Likewise.
5096         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5097         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5098         (vdefs_to_vec): Do not sort already sorted VDEFs.
5100 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5102         PR middle-end/34694
5103         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5105 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5107         PR target/34702
5108         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5109         limitations of reciprocal sequences on x86 targets.
5111 2008-01-08  Richard Guenther  <rguenther@suse.de>
5113         PR tree-optimization/34683
5114         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5116 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5118         PR target/34622
5119         * config/darwin.c (darwin_mergeable_string_section): Don't use
5120         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5122 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5124         PR target/34682
5125         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5126         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5127         predicates of op0 and op1 to register_operand.
5128         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5129         expander using X87MODEF mode iterator.  Change predicates of
5130         op0 and op1 to register_operand.
5131         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5132         corresponding patterns and macroize using MODEF macro.  Change
5133         predicates of op0 and op1 to register_operand and remove
5134         "m" constraint. Disparage "r" alternative with "!".
5135         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5136         macroize using X87MODEF macro.  Change predicates of op0 and op1
5137         to register_operand and remove "m" constraint.  Disparage "r"
5138         alternative with "!".
5139         (absneg splitter with memory operands): Remove.
5140         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5141         patterns and macroize using X87MODEF mode iterator.
5142         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5143         Change predicate of op1 to register_operand.
5144         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5145         for memory operands.
5147 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5149         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5151 2008-01-07  Richard Guenther  <rguenther@suse.de>
5153         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5154         fields.
5156 2008-01-07  Richard Guenther  <rguenther@suse.de>
5158         PR tree-optimization/34683
5159         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5160         VOPs of the needed size to save memory.  Use VEC_quick_push
5161         to save compile-time.
5162         (vdefs_to_vec): Likewise.
5164 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5166         * config/spu/spu.md (divdf3): Genetate inline code for double
5167         division.  The implementation doesn't handle INF or NAN, therefore it
5168         only applies when -ffinite-math-only is given.
5170 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5172         PR libstdc++/34680
5173         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5174         * doc/cpp.texi ([Common Predefined Macros]): Document.
5176 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5178         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5179         order to use commutative addition instead of subtraction.
5181 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5182             Mircea Namolaru  <namolaru@il.ibm.com>
5183             Vladimir Yanovsky  <yanov@il.ibm.com>
5184             Revital Eres  <eres@il.ibm.com>
5186         PR tree-optimization/34263
5187         * tree-outof-ssa.c (process_single_block_loop_latch,
5188         contains_tree_r): New functions.
5189         (analyze_edges_for_bb): Call process_single_block_loop_latch
5190         function to empty single-basic-block latch block if possible.
5192 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5194         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5195         for TARGET_RECIP.
5196         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5198 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5200         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5202 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5204         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5206 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5208         PR tree-optimization/34618
5209         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5210         flag from T.
5212 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5214         PR target/34673
5215         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5216         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5217         Update copyright year.
5219         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5220         Update copyright year.
5221         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5222         using NR fixup.
5224 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5226         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5227         edge does not point to current bb before changing need_assert.
5229 2008-01-04  Richard Guenther  <rguenther@suse.de>
5231         PR middle-end/34029
5232         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5233         for verifying purposes if they are is_gimple_min_invariant.
5235 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5237         PR tree-optimization/34448
5238         PR tree-optimization/34465
5239         * gimplify.c (gimplify_init_constructor): Add new parameter
5240         notify_temp_creation.  Use it.
5241         (gimplify_modify_expr_rhs): Take volatiles into account when
5242         optimizing constructors.
5243         Do not optimize constructors if gimplify_init_constructor will dump to
5244         memory.
5245         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5246         * gcc.c-torture/compile/pr34448.c: New.
5248 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5250         PR gcov-profile/34609
5251         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5252         return_slot if result is TREE_ADDRESSABLE.
5254 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5256         * config/mips/mips.md (sqrt_condition): Tweak comment.
5257         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5259 2008-01-03  Tom Tromey  <tromey@redhat.com>
5261         PR c/34457
5262         * c-common.c (c_type_hash): Handle VLAs.
5264 2008-01-03  Jan Hubicka  <jh@suse.cz>
5266         PR tree-optimization/31081
5267         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5268         0 when inlining and not inlining to first basic block.
5269         (remap_decl): When var is initialized to 0, don't set default_def.
5270         (expand_call_inline): Set entry_bb.
5271         * tree-inline.h (copy_body_data): Add entry_bb.
5273 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5275         PR c++/34619
5276         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5277         before returning.
5279         PR tree-optimization/29484
5280         * tree-inline.c (inline_forbidden_p_2): New function.
5281         (inline_forbidden_p): Disallow inlining if some static var
5282         has an address of a local LABEL_DECL in its initializer.
5283         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5284         vs. inlining.
5286 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5288         PR tree-optimization/34635
5289         * tree-data-ref.c (add_other_self_distances): Make sure that the
5290         evolution step is constant.
5292 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5294         PR middle-end/34608
5295         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5297 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5299         * tree-sra.c (scalarize_init): Insert the generate_element_init
5300         statements after the generate_element_zero statements.
5302 2008-01-02  Richard Guenther  <rguenther@suse.de>
5304         PR middle-end/34093
5305         PR middle-end/31976
5306         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5307         for very large number of operands instead of ICEing.
5309 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5311         PR target/34013
5312         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5313         while stack probing.
5315 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5317         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5318         in C++0x mode.
5320 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5322         PR libmudflap/26442
5323         * tree-mudflap.c (mx_register_decls): Guard warning by
5324         !DECL_ARTIFICIAL check.
5326 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5328         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5329         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5330         sse5_perm<mode>): Fix constraints.