tree-cfg.c (verify_expr): remove in_phi.
[official-gcc.git] / gcc / ChangeLog
blob358a8eff6cc9f294c7253942080ad7c1fac18034
1 2008-04-01  Rafael Espindola  <espindola@google.com>
3         * tree-cfg.c (verify_expr): remove in_phi.
4         (verify_stmt): Don't call walk_tree with verify_expr. Use
5         is_gimple_min_invariant instead of is_gimple_val.
7 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
9         * doc/include/gpl_v3.texi: Update for manpage generation.
10         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
11         gpl.texi.
12         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
13         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
14         gpl_v3.texi instead of gpl.texi.
15         (gpl.pod): New.
17 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
19         PR pch/13675
20         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
22 2008-04-01  Rafael Espindola  <espindola@google.com>
24         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
25         (extract_code_and_val_from_cond): Use
26         extract_code_and_val_from_cond_with_ops.
28 2008-04-01  Jan Hubicka  <jh@suse.cz>
30         * function.c (free_after_compilation): Free epilogue_delay_list.
31         (prepare_function_start): Assert that previous compilation was freed.
33 2008-04-01  Jan Hubicka  <jh@suse.cz>
34             Jim Wilson  <wilson@tuliptree.org>
35             Andreas Tobler <andreast@gcc.gnu.org>
37         PR middle-end/35781
38         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
39         rtl.emit instead cfun->emit.
40         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
41         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
43 2008-04-01  Ben Elliston  <bje@au.ibm.com>
45         * doc/c-tree.texi (Function Basics): Fix grammatical error.
47 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
49         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
50         New options
51         (fprofile-use): Add var flag_profile_use
52         * coverage.c (coverage_begin_output): Do not open a gcno file for output
53         only if -ftest-coverage is set.
54         Do not add getpwd() to gcda file path.
55         (build_gcov_info): Check the new flag 
56         flag_profile_datafile_relative_path.
57         (coverage_init): Use profile_data_prefix.
58         Read profile counter only if flag_profile_use is set.
59         * opts.c (common_handle_option): New option fprofile-use=,
60         fprofile-dir=, fprofile-generate=.
61         * toplev.c (profile_data_prefix): New variable definition.
62         * toplev.h (profile_data_prefix): New declaration.
63         * doc/invoke.tex (Option Summary, Optimization Options):
64         Add new options.
66 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
68         * varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
69         consistently.
71         PR target/35695
72         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
73         * config/ia64/ia64.c (rtx_needs_barrier): Handle
74         UNSPEC_FR_RECIP_APPROX_RES.
75         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
77 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
79         PR c/35750
80         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
82 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
84         PR middle-end/30186
85         * fold-const.c (fold_indirect_ref_1): Support accessing non first
86         element of the vector via a pointer.
88 2008-03-31  Ian Lance Taylor  <iant@google.com>
90         * tlink.c (scan_linker_output): Look for symbol name in single
91         quotes.
93 2008-03-31  Jan Hubicka  <jh@suse.cz>
95         * builtins.c (expand_builtin_setjmp_receiver): Update call of
96         get_arg_pointer_save_area.
97         * expr.c (init_expr): Just clear out rtl.expr.
98         * function.c (free_after_compilation): Clear out whole RTL structure.
99         (get_func_frame_size): Merge into ...
100         (get_frame_size): ... this one.
101         (assign_stack_local_1): Merge into ...
102         (assign_stack_local): ... this one.
103         (expand_function_end): Update call of get_arg_pointer_save_area.
104         (get_art_pointer_save_area): Remove cfun argument.
105         * function.h (emit_status): regno_pointer_align does not need length
106         attribute. Move x_regno_reg_rtx to ...
107         (regno_reg_rtx): ... new global array.
108         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
109         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
110         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
111         (struct varasm_status): Move here from varasm.c
112         (struct rtl_data): New. Move here some fields from struct function.
113         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
114         frame_offset, stack_check_probe_note, arg_pointer_save_area,
115         used_temp_slots avail_temp_slots, temp_slot_level,
116         nonlocal_goto_handler_labels): Update accesstors.
117         (rtl): New global variable.
118         (struct function): Move some fileds to rtl_data.
119         (get_arg_pointer_save_area): Update prototype.
120         * emit-rtl.c (rtl): Declare.
121         (regno_reg_rtx): Declare.
122         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
123         (gen_reg_rtx): Update.
124         (init_virtual_regs): Do not tate emit_status argument.
125         (init_emit): Do not allocate emit.
126         * varasm.c (varasm_statuc): Move to function.h.
127         (n_deferred_constatns): Update accestor.
128         (init_varasm_status): Do not allocate varasm_status.
129         (force_const_mem, get_pool_size, output_constant_pool): Update.
130         * stmt.c (force_label_rtx): Do not use x_ prefixes.
131         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
133 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
135         PR rtl-optimization/35729
136         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
137         references.
139 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
141         PR target/32000
142         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
143         load/store if memory is unaligned.
144         (*movti_rex64): Likewise.
146         * config/i386/predicates.md (misaligned_operand): New.
148 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
150         PR tree-opt/35431
151         * tree-ssa-phiopt.c (conditional_replacement): Return early for
152         complex types.
154 2008-03-31  Jan Beulich  <jbeulich@novell.com>
156         * config/ia64/constraints.md: Add 'j' constraint.
157         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
158         (movdi_internal): Likewise.
160 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
162         PR c/35748
163         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
165 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
167         PR target/35757
168         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
169         proper error message for the third argument on blendpd and
170         blendps.
172         * config/i386/sse.md (blendbits): New.
173         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
175 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
177         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
179 2008-03-30  Richard Guenther  <rguenther@suse.de>
181         PR middle-end/31023
182         * fold-const.c (fold_sign_changed_comparison): Do leave
183         conversions to base-types alone.
185 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
187         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
188         the link register if one altivec register is be saved.
190 2008-03-30  Ben Elliston  <bje@au.ibm.com>
192         * final.c (final_scan_insn): Remove if (0) code.
194 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
196         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
198 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
200         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
201         of V4SFmode to ix86_binary_operator_ok.
203 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
205         * config/i386/i386.c (override_options): Initialize
206         ix86_veclib_handler to ix86_veclibabi_svml when
207         -mveclibabi=svml is used.
208         (ix86_veclibabi_svml): New function for SVML ABI style
209         vectorization support.
210         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
212 2008-03-28  Rafael Espindola  <espindola@google.com>
214         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
215         (tree_binary_nonnegative_warnv_p): Make it public.
216         (tree_single_nonnegative_warnv_p): Make it public.
217         (tree_invalid_nonnegative_warnv_p): Make it public.
218         (tree_unary_nonzero_warnv_p): Make it public.
219         (tree_binary_nonzero_warnv_p): Make it public
220         (tree_single_nonzero_warnv_p): Make it public.
221         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
222         (extract_range_from_binary_expr): Split the expr argument.
223         (extract_range_from_unary_expr): Split the expr argument.
224         (extract_range_from_comparison): Split the expr argument.
225         (extract_range_from_expr): Use the new aux functions.
226         (vrp_evaluate_conditional_warnv): Use
227         vrp_evaluate_conditional_warnv_with_ops.
228         * tree.h (tree_unary_nonzero_warnv_p): Declare.
229         (tree_binary_nonzero_warnv_p): Declare.
230         (tree_single_nonzero_warnv_p): Declare.
231         (tree_expr_nonzero_warnv_p): Declare.
232         (tree_unary_nonnegative_warnv_p): Declare.
233         (tree_binary_nonnegative_warnv_p): Declare.
234         (tree_single_nonnegative_warnv_p): Declare.
235         (tree_invalid_nonnegative_warnv_p): Declare.
237 2008-03-28  Richard Guenther  <rguenther@suse.de>
239         PR tree-optimization/30317
240         PR tree-optimization/30911
241         PR tree-optimization/34793
242         * tree-vrp.c (set_and_canonicalize_value_range): New function.
243         (struct assert_locus_d): New member EXPR.
244         (register_new_assert_for): Add EXPR parameter to support
245         ASSERT_EXPR <name, expr OP limit>.
246         (register_edge_assert_for_1): Adjust callers.
247         (find_assert_locations): Likewise.
248         (process_assert_insertions_for): Build condition from expression.
249         (extract_range_from_assert): Handle ASSERT_EXPRs
250         of the form ASSERT_EXPR <name, expr OP limit>.
251         (register_edge_assert_for_2): New helper registering
252         asserts for comparisons.  Recognize range tests of the form
253         (unsigned)i - CST1 OP CST2.
254         (register_edge_assert_for_1): Use it.
255         (register_edge_assert_for): Likewise.
256         (needs_overflow_infinity): Integer sub-types
257         do not need overflow infinities.
258         (vrp_val_is_max): The extreme values of integer sub-types
259         are those of the base type.
260         (vrp_val_is_min): Likewise.
261         * tree.def (ASSERT_EXPR): Document extra allowed conditional
262         expressions.
264 2008-03-28  Nick Clifton  <nickc@redhat.com>
266         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
267         Return GENERAL_REGS for stack adjustment reloads.
269 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
271         PR target/31334
272         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
273         const_vector when all the vectors are constant.
275 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
277         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
278         comparisons.
279         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
280         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
281         (scc_sf): New.
282         (s<code>_sf): Use new scc_sf attribute for opcode names.
284 2008-03-27  Tom Tromey  <tromey@redhat.com>
286         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
287         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
288         config/spu/t-spu-elf, config/i386/t-interix,
289         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
290         config/i386/x-darwin, config/i386/x-mingw32,
291         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
292         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
293         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
294         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
295         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
296         config/rs6000/x-darwin, config/rs6000/t-rs6000,
297         config/score/t-score-elf, config/arm/t-strongarm-pe,
298         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
299         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
300         Revert automatic dependency patch.
302 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
304         PR target/35657
305         * config/i386/i386.c (ix86_function_arg_boundary): Align
306         decimal floating point to its natural boundary.
308 2008-03-27  Richard Guenther  <rguenther@suse.de>
310         PR middle-end/35716
311         * fold-const.c (fold_comparison): Restrict distinct decl
312         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
313         solely rely on operand_equal_p.
315 2008-03-27  Richard Guenther  <rguenther@suse.de>
317         PR c/32511
318         * c-common.c (handle_weak_attribute): Reject combination of
319         weak and inline.
321 2008-03-27  Richard Guenther  <rguenther@suse.de>
323         PR tree-optimization/32810
324         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
325         conversions from DECL_INITIAL.
326         (fold_const_aggregate_ref): Likewise from constructor elements.
328 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
330         * tree-affine.h (aff_combination_expand): Declare.
331         (get_inner_reference_aff): Likewise.
332         * tree-affine.c (aff_combination_expand): Split out from
333         tree_to_aff_combination_expand.
334         (get_inner_reference_aff): New function.
335         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
336         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
337         (struct lim_aux_data): sm_done field removed.
338         (mem_ref_loc_p, mem_ref_locs_p): New types.
339         (struct mem_ref): Added id, stored, accesses_in_loop,
340         indep_loop, dep_loop, indep_ref, dep_ref fields.
341         Removed is_stored, locs and next fields.
342         (memory_accesses): New variable.
343         (movement_possibility): Do not allow moving statements
344         that store to memory.
345         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
346         New functions.
347         (determine_max_movement): For statements with memory references,
348         find the outermost loop in that the reference is independent.
349         (move_computations_stmt): Mark the virtual operands for renaming.
350         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
351         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
352         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
353         add_vop_ref_mapping, create_vop_ref_mapping_loop,
354         create_vop_ref_mapping, analyze_memory_references,
355         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
356         get_all_locs_in_loop, ref_always_accessed_p,
357         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
358         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
359         store_motion_loop, store_motion): New functions.
360         (struct vop_to_refs_elt): New type.
361         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
362         memref_hash, memref_eq, hoist_memory_references): Rewritten.
363         (schedule_sm): Replaced by...
364         (execute_sm): ... this.
365         (determine_lsm_ref, hoist_memory_references,
366         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
367         find_more_ref_vops, free_mem_ref, free_mem_refs,
368         determine_lsm_loop, determine_lsm): Removed.
369         (tree_ssa_lim_finalize): Free data structures used by store motion.
370         (tree_ssa_lim): Call analyze_memory_references.  Use
371         store_motion instead of determine_lsm.
373 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
375         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
376         rename tmake_file to m68hc11/t-m68hc11.
377         (mcore): Set inhibit_libc to true.
378         * config.host (alpha*-dec-*vms*): Set extra_programs.
379         (interix3*): Don't use host_xmake_file.
380         * configure.ac: Let config.gcc override inhibit_libc.
381         * configure: Regenerate.
383         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
384         * config/t-openbsd-thread: Remove commented out lines.
385         
386         * config/x-interix: Remove.
388         * config/m68hc11/t-m68hc11-gas: Rename to...
389         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
391         * config/mcore/t-mcore: Remove T_CFLAGS.
392         * config/mcore/t-mcore-pe: Likewise.
394 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
396         * configure.ac: Replace custom __GNU_SOURCE test with
397         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
398         * aclocal.m4: Regenerate.
399         * configure: Regenerate.
400         * config.in: Regenerate.
402 2008-03-27  Richard Guenther  <rguenther@suse.de>
404         * fold-const.c (target.h): Include.
405         (fold_comparison): Fold comparison of addresses of decls
406         that bind locally or of constants.  Consolidate address folding code.
407         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
408         results from fold_binary_to_constant.
409         (compare_values_warnv): Likewise.
411 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
413         PR middle-end/35429
414         * fold-const.c (fold_truthop): Check for integeral types when folding
415         a == 0 && b == 0 and a != 0 || b != 0 .
417 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
419         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
421 2008-03-26  Andreas Schwab  <schwab@suse.de>
423         * doc/invoke.texi: Fix use of @item vs. @itemx.
425 2008-03-26  Tom Tromey  <tromey@redhat.com>
427         * Makefile.in (build/gensupport.o, build/print-rtl.o,
428         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
429         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
430         build/gencodes.o, build/genconditions.o, build/genconfig.o,
431         build/genconstants.o, build/genemit.o, build/genextract.o,
432         build/genflags.o, build/genmddeps.o, build/genopinit.o,
433         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
434         options.h.
436 2008-03-26  Richard Guenther  <rguenther@suse.de>
438         Revert
439         2008-03-26  Richard Guenther  <rguenther@suse.de>
441         * fold-const.c (target.h): Include.
442         (fold_comparison): Fold comparison of addresses of two decls
443         that bind locally.  Consolidate address folding code.
445 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
447         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
448         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
449         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
450         dconstsqrt2, dconstthird, dconste and/or dconst10.
451         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
452         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
453         dconstsqrt2, dconste): Delete.
454         (init_emit_once): Likewise.  Simplify initializing dconstm1.
455         Constify variable.
456         * real.c (get_real_const): New.
457         * real.h (dconst3, dconst10, dconstm2, dconstthird,
458         dconstsqrt2, dconste): Delete.
459         (real_value_const, get_real_const): New.
461 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
463         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
465         * config/i386/i386.c (ix86_function_arg_boundary): Check
466         BIGGEST_ALIGNMENT instead of 128.
467         (setup_incoming_varargs_64): Likewise.
469 2008-03-26  Tom Tromey  <tromey@redhat.com>
471         * Makefile.in (DEPFILES): Add missing '/'.
473 2008-03-26  Richard Guenther  <rguenther@suse.de>
475         * fold-const.c (target.h): Include.
476         (fold_comparison): Fold comparison of addresses of two decls
477         that bind locally.  Consolidate address folding code.
479 2008-03-26  Nick Clifton  <nickc@redhat.com>
481         PR target/31232
482         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
483         not allow INT+INT as a legitimate addressing mode.
485 2008-03-26  Richard Guenther  <rguenther@suse.de>
487         * tree-flow.h (widen_bitfield): Remove declaration.
488         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
489         (widen_bitfield): Remove function.
490         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
491         code.
493 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
495         PR target/31558
496         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
497         error_mark_node's.
499 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
501         PR rtl-optimization/35232
502         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
503         (forget_old_reloads_1, forget_marked_reloads): Don't clear
504         reg_reloaded_call_part_clobbered here.
505         (reload_regs_reach_end_p): New function.
506         (reload_reg_rtx_for_input): New variable.
507         (reload_reg_rtx_for_output): Likewise.
508         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
509         when reassigning a pseudo register.  Load reloadreg from 
510         reload_reg_rtx_for_input, moving the mode and register
511         calculation to...
512         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
513         instead of the original when deciding whether an input reload
514         would be a no-op or whether an output reload can be deleted.
515         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
516         when setting up new_spill_reg_store.  Load it from
517         reload_reg_rtx_for_output, moving the mode and register
518         calculation to...
519         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
520         instead of the original when deciding whether an output reload
521         would be a no-op.  Do the same when modifying insn notes.
522         Use rtx_equal_p instead of == to compare the registers.
523         (inherit_piecemeal_p): Take a mode and two register numbers
524         as argument.
525         (emit_reload_insns): Clear new_spill_reg_store for every hard
526         register in the reload register.  Remove spill registers
527         from reg_reloaded_valid before considering whether to record
528         inheritance information for them.  Use reload_reg_rtx_for_output
529         instead of reg_rtx when recording output reloads.  Use
530         reload_reg_rtx_for_input instead of reg_rtx when recording
531         input reloads.  Set or clear reg_reloaded_call_part_clobbered
532         at the same time as setting reg_reloaded_valid.
533         (delete_output_reload): Add a new_reload_reg parameter and use it
534         instead of rld[j].reg_rtx.
535         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
536         calls accordingly.
538 2008-03-25  Tom Tromey  <tromey@redhat.com>
540         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
541         (build/genattr.o): Likewise.
542         (build/genattrtab.o): Likewise.
543         (build/gencodes.o): Likewise.
544         (build/genconfig.o): Likewise.
545         (build/genconstants.o): Likewise.
546         (build/genemit.o): Likewise.
547         (build/genextract.o): Likewise.
548         (build/genflags.o): Likewise.
550 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
551         
552         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
553         instead of size_int for integer types.
554         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
555         to match type of MINUS_EXPR.
556         
557 2008-03-25  Tom Tromey  <tromey@redhat.com>
559         * configure: Rebuilt.
560         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
561         Makefile.
563 2008-03-25  Tom Tromey  <tromey@redhat.com>
565         * config/x-solaris (host-solaris.o): Update.
566         * config/x-linux (host-linux.o): Update.
567         * config/x-hpux (host-hpux.o): Update.
568         * config/x-darwin (host-darwin.o): Update.
569         * config/v850/t-v850e (v850-c.o): Update.
570         * config/v850/t-v850 (v850-c.o): Update.
571         * config/t-vxworks (vxworks.o): Update.
572         * config/t-sol2 (sol2-c.o, sol2.o): Update.
573         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
574         * config/spu/t-spu-elf (spu-c.o): Update.
575         (spu.o): Remove.
576         * config/sh/t-symbian (sh-c.o): Update.
577         (symbian.o): Update.
578         * config/sh/t-sh (sh-c.o): Update.
579         * config/score/t-score-elf (score7.o, score3.o): Update.
580         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
581         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
582         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
583         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
584         (rs6000.o): Remove.
585         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
586         * config/m32c/t-m32c (m32c-pragma.o): Update.
587         * config/ia64/t-ia64 (ia64-c.o): Update.
588         * config/i386/x-mingw32 (host-mingw32.o): Update.
589         * config/i386/x-i386 (driver-i386.o): Update.
590         * config/i386/x-darwin (host-i386-darwin.o): Update.
591         * config/i386/x-cygwin (host-cygwin.o): Update.
592         * config/i386/t-nwld (nwld.o): Update.
593         * config/i386/t-netware (netware.o): Update.
594         * config/i386/t-interix (winnt.o): Update.
595         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
596         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
597         msformat-c.o): Update.
598         * config/bfin/t-bfin-linux (generated_files): Add
599         linux-sysroot-suffix.h.
600         * config/arm/t-wince-pe (pe.o): Update.
601         * config/arm/t-strongarm-pe (pe.o): Update.
602         * config/arm/t-pe (pe.o): Update.
603         * config/arm/t-arm (arm-c.o): Update.
604         * doc/install.texi (Prerequisites): Require make 3.80.
605         * Makefile.in: Remove .o targets.
606         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
607         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
608         (simple_generated_h, simple_generated_c): Move earlier.
609         (generated_files): New variable.
610         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
611         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
612         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
613         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
614         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
615         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
616         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
617         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
618         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
619         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
620         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
621         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
622         (.c.o): Remove.
623         (COMPILE.base, COMPILE): New variables.
624         (%.o): New pattern rule.
625         (ALL_HOST_OBJS): New variable.
626         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
627         (dummy-checksum.o, cc1-checksum.o): Remove.
628         (DRIVER_SHLIB): New variable.
629         (DRIVER_DEFINES): Use it.
630         (gencondmd.c): Move out of build/.
631         (s-conditions): Update.
632         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
633         (ALL_BUILD_OBJS): Likewise.
634         (build/%.o): Use BUILDCOMPILE.
635         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
636         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
637         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
638         build/gencheck.o, build/gencodes.o, build/genconditions.o,
639         build/genconfig.o, build/genconstants.o, build/genemit.o,
640         build/genextract.o, build/genflags.o, build/genmddeps.o,
641         build/genopinit.o, build/genoutput.o, build/genpeep.o,
642         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
643         build/gen-protos.o, build/scan.o, build/fix-header.o,
644         build/scan-decls.o): Simplify.
645         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
646         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
647         prefix.o, toplev.o): Reduce to variable setting.
648         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
649         ($(out_object_file), gcc-options.o): New targets.
650         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
651         * configure: Rebuilt.
652         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
653         * doc/sourcebuild.texi (Front End Directory): Document new variable.
655 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
657         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
658         complain when we hit an error, return ERROR_MARK_NODE.
660 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
662         * config/sh/constraints.md (Pso, Psz): New constraints.
663         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
664         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
666 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
668         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
669         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
671 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
673         * config/sh/sh.md (prefetch): Add condition for SH2A target.
674         (prefetch_sh2a): New.   
676 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
677             Naveen.H.S  <naveen.hs@kpitcummins.com>
679         * config/sh/constraints.md (I28): New constraint.
680         * config/sh/sh.c (broken_move): Add support for movi20s.
681         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
683 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
684             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
685             Naveen.H.S  <naveen.hs@kpitcummins.com>
687         * config/sh/sh.c (SH_ATTRIBUTES): Define.
688         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
689         (print_operand): Handle resbank in %@ operand code.
690         (sh_encode_section_info): New.
691         (push_regs): Add conditions for resbank.
692         (sh_expand_epilogue): Likewise.
693         (sh_insert_attributes): Likewise.
694         (sh_attribute_table): Likewise.
695         (sh_handle_resbank_handler_attribute): New.
696         (sh2a_handle_function_vector_handler_attribute): New.
697         (sh2a_is_function_vector_call): New.
698         (sh2a_get_function_vector_number): New.
699         (sh2a_function_vector_p): New.
700         (sh_cfun_resbank_handler_p): New.
701         * config/sh/sh.md (calli): Emit jsr/n if possible.
702         (calli_tbr_rel): New.
703         (calli_pcrel): Emit jsr/n if possible.
704         (return_i): Emit rts/n if possible.
705         (call_valuei_tbr_rel): New.
706         (call_valuei_pcrel): Add condition for SH2A target.
707         (call_value): Likewise.
708         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
709         (sh2a_get_function_vector_number): Likewise.
710         (sh2a_is_function_vector_call): Likewise.
711         * doc/extend.texi: Document TBR relative addressing of SH2A.
712         (resbank): Add description for SH2A.
714 2008-03-24  Richard Guenther  <rguenther@suse.de>
716         PR c/22371
717         * gimplify.c (gimplify_modify_expr): For frontend type-correct
718         pointer assignments change conversions according to middle-end rules.
719         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
720         * configure.ac: Include type checking in yes.
721         * configure: Regenerate.
723 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
725         * diagnostic.c (diagnostic_count_diagnostic): Delete.
726         (diagnostic_report_diagnostic): Update. Handle ICEs here.
727         
728 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
730         * gthr-vxworks.h (UNUSED): Define.
732 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
734         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
736 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
738         * doc/extend.texi (Function Attributes): Add missing comma in the
739         example of the "alloc_size" attribute.
740         
741 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
743         Revert:
744         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
746         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
747         32bit host.
749         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
751         PR target/35496
752         * stor-layout.c (update_alignment_for_field): Set minimum alignment
753         of the underlying type of a MS bitfield layout to the natural
754         alignment of the type.
756         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
758         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
759         to their natural alignment to avoid store forwarding stalls.
761 2008-03-22  Richard Guenther  <rguenther@suse.de>
763         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
764         For PHI nodes verify the address is invariant.
765         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
766         (get_symbol_constant_value): Use is_gimple_min_invariant.
767         (maybe_fold_stmt_indirect): Likewise.
769 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
771         PR rtl-optimization/33927
772         * Makefile.in (dse.o): Depend on $(TM_P_H).
773         * expr.h (extract_low_bits): Declare.
774         * expmed.c (extract_low_bits): New function.
775         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
776         * dse.c: Include tm_p.h.
777         (find_shift_sequence): Remove the read_reg argument and return the
778         read value.  Emit the instructions instead of returning them.
779         Iterate on new_mode rather than calculating it each time.
780         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
781         source to NEW_MODE and extract_low_bits to convert the shifted
782         value to READ_MODE.
783         (replace_read): Allow the load and store to have different mode
784         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
785         or extraction instructions before trying the replacement.  Update
786         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
788 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
790         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
791         to their natural alignment to avoid store forwarding stalls.
793 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
795         PR target/27946
796         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
797         encouraging but not allowing gprs for input;
798         change the input constraint to !f#r.
799         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
800         gprs for output;
801         change the output constraint to !f#r.
803 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
805         PR target/13958
806         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
807         corresponding post-reload splitters.
808         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
809         when x87 FP math is selected.
810         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
811         New function prototype.
812         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
813         unreachable function to ease macroization of insn patterns.
815 2008-03-21  Martin Jambor  <mjambor@suse.cz>
817         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
818         reference dumps if ddr is NULL or dependence is unknown.
820 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
822         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
823         unsigned extension into account.
824         (ATOMIC_COMPARE_AND_SWAP): Likewise.
825         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
826         Do computations on a scratch register.
828 2008-03-21  Richard Guenther  <rguenther@suse.de>
830         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
831         Use is_gimple_min_invariant instead of TREE_INVARIANT.
832         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
833         * tree-ssa-dom.c (record_equality): Likewise.
834         * tree-inline.c (copy_body_r): Likewise.
835         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
836         TREE_INVARIANT.
838 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
840         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
841         as 'delete_unused' argument.
843 2008-03-20  Richard Guenther  <rguenther@suse.de>
845         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
846         special casing of constant qualifiers.
847         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
848         care about them in general.
849         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
850         regardless of their type.
851         (fold_stmt_r): Forcefully fold *& if we end up with that.
853 2008-03-20  Paul Brook  <paul@codesourcery.com>
855         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
856         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
857         linker flags.
858         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
859         definition.
860         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
861         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
863 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
865         * common.opt (Wmudflap): New option.
866         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
867         (mx_register_decls): Likewise.
868         (mudflap_finish_file): Likewise.
869         * doc/invoke.texi: Document -Wno-mudflap.
871 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
873         * c-format.c (replace_format_name_to_system_name): New.
874         (cmp_attribs): New.
875         (convert_format_name_to_system_name): New.
876         (decode_format_attr): Add use of convert_format_name_to_system_name.
877         (format_types_orig): Add gnu_ prefix to names.
878         (check_format_info_main): Special treating of \0 escaped names for
879         supporting multi-character format specifiers as I32, I64.
880         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
881         (gnu_target_overrides_format_attributes): New.
882         * c-format.h: Add structure target_ovr_attr to hold
883         system specific formatter names.
884         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
885         msformat-c.o file to c_target_objs and cxx_target_objs.
886         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
887         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
888         (TARGET_N_FORMAT_TYPES): New.
889         * config/i386/msformat-c.c: New.
890         * config/i386/t-cygming: Add build rule for msformat-c.o.
891         * doc/extend.texi: Add new format names gnu_* and ms_* and
892         further details.
893         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
895 2008-03-20  Ira Rosen  <irar@il.ibm.com>
897         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
898         optimizations turned on under -O3.
899         (ftree-vectorize): Add that the flag is turned on with -O3.
901 2008-03-20  Ben Elliston  <bje@au.ibm.com>
903         * regmove.c (try_auto_increment): Fix spelling error in comment.
904         * final.c (final_scan_insn): Likewise.
906 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
908         PR target/14552
909         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
910         allocator preferences for "y" and "r" class registers.
911         ("*mov<mode>_internal"): Ditto.
912         ("*movv2sf_internal_rex64"): Ditto.
913         ("*movv2sf_internal"): Ditto.
915 2008-03-19  Michael Matz  <matz@suse.de>
917         PR middle-end/35616
918         * calls.c (expand_call): Check overlap of arguments with call
919         address for sibcalls.
921 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
923         PR target/35496
924         * stor-layout.c (update_alignment_for_field): Set minimum alignment
925         of the underlying type of a MS bitfield layout to the natural
926         alignment of the type.
928 2008-03-19  Jan Hubicka  <jh@suse.cz>
930         PR other/35094
931         * toplev.c (decode_d_option): Handle all CPP flags.
932         * tree-vrp.c: Update tree_pass descriptors.
933         * regrename.c: Update tree_pass descriptors.
934         * fwprop.c: Update tree_pass descriptors.
935         * doc/invoke.texi: Remove documentation of dropped -d? flags.
936         * tree-into-ssa.c: Update tree_pass descriptors.
937         * tree-dump.c: Update tree_pass descriptors.
938         * tree-complex.c: Update tree_pass descriptors.
939         * tree-dump.h: Update tree_pass descriptors.
940         * see.c: Update tree_pass descriptors.
941         * cgraphbuild.c: Update tree_pass descriptors.
942         * tracer.c: Update tree_pass descriptors.
943         * tree-loop-distribution.c: Update tree_pass descriptors.
944         * cgraph.c: Update tree_pass descriptors.
945         * postreload-gcse.c: Update tree_pass descriptors.
946         * postreload.c: Update tree_pass descriptors.
947         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
948         * tree-tailcall.c: Update tree_pass descriptors.
949         * tree-pass.h (tree_opt_pass): Rename to ...
950         (opt_pass) ... this one; add "type" field and remove letter field.
951         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
952         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
953         all_lowering_passes): Update declaration.
954         * ipa-cp.c: Update tree_pass descriptors.
955         * final.c: Update tree_pass descriptors.
956         * omp-low.c: Update tree_pass descriptors.
957         * tree-ssa-dse.c: Update tree_pass descriptors.
958         * ipa-reference.c: Update tree_pass descriptors.
959         * tree-ssa-uncprop.c: Update tree_pass descriptors.
960         * auto-inc-dec.c: Update tree_pass descriptors.
961         * reorg.c: Update tree_pass descriptors.
962         * cgraphunit.c: Update tree_pass descriptors.
963         * tree-ssa-copyrename.c: Update tree_pass descriptors.
964         * tree-ssa-ccp.c: Update tree_pass descriptors.
965         * df-core.c: Update tree_pass descriptors.
966         * mode-switching.c: Update tree_pass descriptors.
967         * tree-nomudflap.c: Update tree_pass descriptors.
968         * modulo-sched.c: Update tree_pass descriptors.
969         * ipa-pure-const.c: Update tree_pass descriptors.
970         * cse.c: Update tree_pass descriptors.
971         * web.c: Update tree_pass descriptors.
972         * tree-stdarg.c: Update tree_pass descriptors.
973         * tree-ssa-math-opts.c: Update tree_pass descriptors.
974         * tree-ssa-dom.c: Update tree_pass descriptors.
975         * tree-nrv.c: Update tree_pass descriptors.
976         * tree-ssa-alias.c: Update tree_pass descriptors.
977         * loop-init.c: Update tree_pass descriptors.
978         * gimple-low.c: Update tree_pass descriptors.
979         * ipa-inline.c: Update tree_pass descriptors.
980         * tree-ssa-sink.c: Update tree_pass descriptors.
981         * global.c: Update tree_pass descriptors.
982         * ifcvt.c: Update tree_pass descriptors.
983         * jump.c: Update tree_pass descriptors.
984         * predict.c: Update tree_pass descriptors.
985         * tree-ssa-loop.c: Update tree_pass descriptors.
986         * recog.c: Update tree_pass descriptors.
987         * dse.c: Update tree_pass descriptors.
988         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
989         * tree-eh.c: Update tree_pass descriptors.
990         * regmove.c: Update tree_pass descriptors.
991         * local-alloc.c
992         * function.c: Update tree_pass descriptors.
993         * tree-vectorizer.c: Update tree_pass descriptors.
994         * gcse.c: Update tree_pass descriptors.
995         * ipa-type-escape.c: Update tree_pass descriptors.
996         * tree-if-conv.c: Update tree_pass descriptors.
997         * init-regs.c: Update tree_pass descriptors.
998         * ipa.c: Update tree_pass descriptors.
999         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1000         * rtl-factoring.c: Update tree_pass descriptors.
1001         * lower-subreg.c: Update tree_pass descriptors.
1002         * bt-load.c: Update tree_pass descriptors.
1003         * tree-dfa.c: Update tree_pass descriptors.
1004         * except.c: Update tree_pass descriptors.
1005         * emit-rtl.c: Update tree_pass descriptors.
1006         * cfgexpand.c: Update tree_pass descriptors.
1007         * tree-cfgcleanup.c: Update tree_pass descriptors.
1008         * cfgcleanup.c: Update tree_pass descriptors.
1009         * tree-ssa-pre.c: Update tree_pass descriptors.
1010         * tree-sra.c: Update tree_pass descriptors.
1011         * tree-mudflap.c: Update tree_pass descriptors.
1012         * tree-ssa-copy.c: Update tree_pass descriptors.
1013         * cfglayout.c: Update tree_pass descriptors.
1014         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1015         * tree-ssa-dce.c: Update tree_pass descriptors.
1016         * tree-ssa.c: Update tree_pass descriptors.
1017         * regclass.c: Update tree_pass descriptors.
1018         * integrate.c: Update tree_pass descriptors.
1019         * tree-optimize.c: Update tree_pass descriptors.
1020         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1021         * tree-object-size.c: Update tree_pass descriptors.
1022         * combine.c: Update tree_pass descriptors.
1023         * tree-outof-ssa.c: Update tree_pass descriptors.
1024         * bb-reorder.c: Update tree_pass descriptors.
1025         * stack-ptr-mod.c: Update tree_pass descriptors.
1026         * var-tracking.c: Update tree_pass descriptors.
1027         * tree-profile.c: Update tree_pass descriptors.
1028         * tree-vect-generic.c: Update tree_pass descriptors.
1029         * reg-stack.c: Update tree_pass descriptors.
1030         * sched-rgn.c: Update tree_pass descriptors.
1031         * tree-ssa-structalias.c: Update tree_pass descriptors.
1032         * tree-cfg.c: Update tree_pass descriptors.
1033         * passes.c (current_pass): Update declaration.
1034         (finish_optimization_passes): Update.
1035         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1036         (register_one_dump_file, register_dump_files_1, next_pass_1):
1037         Update arguments.
1038         (init_optimization_passes): Update handling of new types.
1039         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1040         * ipa-struct-reorg.c: Update tree_pass descriptors.
1041         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1042         * combine-stack-adj.c: Update tree_pass descriptors.
1043         * cfgrtl.c: Update tree_pass descriptors.
1044         * dce.c: Update tree_pass descriptors.
1045         * tree-ssanames.c: Update tree_pass descriptors.
1047 2008-03-19  Richard Guenther  <rguenther@suse.de>
1049         PR middle-end/35609
1050         * tree-ssa.c (walk_data): New structure.
1051         (warn_uninitialized_var): If not always_executed warn with "maybe"
1052         instead of "is".
1053         (execute_early_warn_uninitialized): Compute post-dominators.
1054         Initialize always_executed before processing each basic block.
1056 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1058         PR target/35504
1059         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1060         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1062 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1064         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1066 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1068         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1069         is true.
1070         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1071         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1072         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1073         target after ignore has been set, and move there also the commputation
1074         of subtarget and original_target.
1075         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1076         (LANG_HOOKS_INITIALIZER): Remove it.
1077         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1079 2008-03-18  Richard Guenther  <rguenther@suse.de>
1081         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1082         found an expression with constants, note that in the VN for the lhs.
1083         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1084         fold them to constants if possible.  Run cleanup_cfg if done so.
1085         (execute_pre): Return todo.
1086         (do_pre): Likewise.
1087         (execute_fre): Likewise.
1088         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1089         of constants.
1090         (get_prop_source_stmt): Look through pointer conversions.
1092 2008-03-18  Jan Hubicka  <jh@suse.cz>
1094         * tree-pretty-print.c: Include predict.h.
1095         (dump_generic_node): Dump predictor.
1096         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1097         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1098         * gimple-low.c (lower_stmt): Likewise.
1099         * expr.c (expand_expr_real): Likewise.
1100         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1101         them.
1102         (build_predict_expr, build_predict_expr): New.
1103         * predict.h (predictor_name, build_predict_expr): Update.
1104         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1105         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1106         * predict.def (PRED_CONTINUE): Update hitrate.
1107         * tree.def (PREDICT_EXPR): Define.
1108         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1109         do not handle BIND_EXPR.
1110         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1111         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1112         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1113         operands.
1115 2008-03-18  Michael Matz  <matz@suse.de>
1117         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1119 2008-03-18  Richard Guenther  <rguenther@suse.de>
1121         * tree-gimple.h (is_gimple_invariant_address): Declare.
1122         (is_gimple_constant): Likewise.
1123         * tree-gimple.c (is_gimple_constant): New function.
1124         (is_gimple_invariant_address): Likewise.
1125         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1126         and is_gimple_invariant_address.
1127         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1128         previous change.
1129         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1130         an addressable base.
1132 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1134         PR middle-end/35611
1135         * gimplify.c (gimplify_expr): Gimplify second operand of
1136         OMP_ATOMIC_LOAD.
1138 2008-03-17  Richard Guenther  <rguenther@suse.de>
1140         PR tree-optimization/19637
1141         * fold-const.c (fold_unary): Remove restrictions of removing
1142         intermediate pointer-conversions (P2)(P1)P0.
1143         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1144         conversion to void pointer.
1145         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1147 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1149         PR debug/31510
1150         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1151         emulated thread local variables.
1153 2008-03-16  Richard Guenther  <rguenther@suse.de>
1155         PR middle-end/35607
1156         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1157         expand TREE_INVARIANT operations that are not gimple invariant.
1159 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1161         * doc/extend.texi (Alignment): Say that the ABI controls
1162         the __alignof__ for non-strict-alignment targets rather
1163         than being a recommendation.
1165 2008-03-15  Paul Brook  <paul@codesourcery.com>
1167         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1168         annotations.
1169         (arm_output_fn_unwind): Mark functions that can not be unwound.
1171 2008-03-15  Paul Brook  <paul@codesourcery.com>
1173         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1174         extension instructions.
1176 2008-03-15  Richard Guenther  <rguenther@suse.de>
1178         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1179         and fold constant aggregate refs.
1180         (fold_const_aggregate_ref): Handle string constants
1181         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1182         (evaluate_stmt): Simplify now that ccp_fold folds constant
1183         aggregate refs.
1185 2008-03-15  Paul Brook  <paul@codesourcery.com>
1187         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1188         (extzv): Use gen_extzv_t2.
1189         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1191 2008-03-15  Richard Guenther  <rguenther@suse.de>
1193         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1194         (fold_const_aggregate_ref): Likewise.
1195         (get_value): Return NULL if we don't have any values.
1196         (ccp_finalize): Set const_val to NULL after freeing it.
1197         * tree-flow.h (get_symbol_constant_value): Declare.
1198         (fold_const_aggregate_ref): Likewise.
1199         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1201 2008-03-15  Richard Guenther  <rguenther@suse.de>
1203         PR middle-end/35593
1204         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1205         to not produce negative array indices if not allowed.  Add
1206         parameter to indicate that.
1207         (maybe_fold_offset_to_component_ref): Allow negative array
1208         indices only for the first member of a structure.
1209         (maybe_fold_offset_to_reference): Allow negative array indices.
1210         (maybe_fold_stmt_addition): Likewise.
1212 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1213             Anatoly Sokolov <aesok@post.ru>
1215         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1216         (avr_arch): Add ARCH_AVR6.
1217         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1218         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1219         instead of fixed value 2.
1220         (print_operand_address): Use gs() asm specifier instead of pm().
1221         (avr_assemble_integer): (Ditto.).
1222         (avr_output_addr_vec_elt): (Ditto.).
1223         (print_operand): Handle "!" code.
1224         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1225         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1226         (AVR_HAVE_EIJMP_EICALL): Define.
1227         (AVR_3_BYTE_PC): Redefine.
1228         (AVR_2_BYTE_PC): (Ditto.).
1229         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1230         (LINK_SPEC): Add atmega2560 and atmega2561.
1231         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1232         (crtm2561.o).
1233         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1234         for 3 byte PC devices.
1235         (call_value_insn): (Ditto.).
1236         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1237         (indirect_jump): Use only for for 2 byte PC devices.
1238         (*tablejump): (Ditto.).
1239         (*indirect_jump_avr6): Add insn.
1240         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1241         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1242         instead of ijmp for 3 byte PC devices.
1243         (__tablejump2__): (Ditto.).
1244         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1245         (MULITLIB_DIRNAMES): (Ditto.). 
1246         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1248 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1250         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1251         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1252         ("mmx_psadbw"): Use V1DI mode for operand 0.
1253         * config/i386/i386-modes.def (V1SI): New vector mode.
1254         * config/i386/i386.c (struct builtin_description)
1255         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1256         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1257         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1258         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1259         v1di_ftype_v8qi_v8qi type.
1260         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1262         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1263         __builtin_ia32_pmuludq]: Fix the mode of return value.
1265 2008-03-15  Richard Guenther  <rguenther@suse.de>
1267         PR middle-end/35595
1268         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1269         being a PHI_NODE.
1271 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1272         
1273         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1274         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1275         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1276         unless TARGET_SERIALIZE_VOLATILE is enabled.
1277         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1278         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1279         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1281 2008-03-14  Richard Guenther  <rguenther@suse.de>
1283         PR tree-optimization/34172
1284         * tree-flow.h (refs_may_alias_p): Declare.
1285         (get_single_def_stmt): Likewise.
1286         (get_single_def_stmt_from_phi): Likewise.
1287         (get_single_def_stmt_with_phi): Likewise.
1288         * tree-dfa.c (refs_may_alias_p): New function.
1289         (get_single_def_stmt): Likewise.
1290         (get_single_def_stmt_from_phi): Likewise.
1291         (get_single_def_stmt_with_phi): Likewise.
1292         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1293         (vn_reference_lookup_1): New helper function.
1294         (vn_reference_lookup): Walk the virtual use-def chain to
1295         continue searching for a match if the def does not alias the
1296         reference we are looking for.
1298 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1300         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1301         archive and Perzl.  Update The Written Word listing.
1303 2008-03-14  Richard Guenther  <rguenther@suse.de>
1305         PR tree-optimization/34043
1306         PR tree-optimization/33989
1307         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1308         when doing FRE.
1309         (bitmap_find_leader): Use extra argument to verify dominance
1310         relationship inside a basic-block.
1311         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1312         (find_leader_in_sets): Adjust.
1313         (create_component_ref_by_pieces): Take extra argument for
1314         dominance check, handle lookup failures.
1315         (find_or_generate_expression): Likewise.
1316         (create_expression_by_pieces): Likewise.
1317         (insert_into_preds_of_block): Adjust.
1318         (create_value_expr_from): If asked for, verify all operands
1319         are in the blocks AVAIL_OUT set.
1320         (make_values_for_stmt): Check for SSA_NAMEs that are life
1321         over an abnormal edge.
1322         (compute_avail): Remove such check.
1323         (do_SCCVN_insertion): New function.
1324         (eliminate): If we do not find a leader suitable for replacement
1325         insert a replacement expression from SCCVN if available.
1326         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1327         (struct vn_ssa_aux): Add needs_insertion flag.
1328         * tree-ssa-sccvn.c (may_insert): New global flag.
1329         (copy_reference_ops_from_ref): Value-number union member access
1330         based on its size, not type and member if insertion is allowed.
1331         (visit_reference_op_load): For a weak match from union type
1332         punning lookup a view-converted value and insert a SSA_NAME
1333         for that value if that is not found.
1334         (visit_use): Make dumps shorter.  Do not disallow value numbering
1335         SSA_NAMEs that are life over an abnormal edge to constants.
1336         (free_scc_vn): Release inserted SSA_NAMEs.
1337         (run_scc_vn): New flag to specify whether insertion is allowed.
1338         Process SSA_NAMEs in forward order.
1339         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1340         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1341         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1342         pointer type to/from integral types that do not change the
1343         precision to regular conversions.
1345 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1347         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1348         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1349         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1350         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1351         input arguments and the mode of return value.  Built-in functions
1352         that operate on whole 64-bit MMX register now use V1DI mode.
1354 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1355             Olga Golovanevsky  <olga@il.ibm.com>
1357         PR tree-optimization/35041
1358         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1359         to locate the right position in a statement.
1361 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1363         PR target/34000
1364         PR target/35553
1365         * config/i386/xmmintrin.h:  Change all static inline functions to
1366         extern inline and add __gnu_inline__ attribute.
1367         * config/i386/bmintrin.h: Ditto.
1368         * config/i386/smmintrin.h: Ditto.
1369         * config/i386/tmmintrin.h: Ditto.
1370         * config/i386/mmintrin-common.h: Ditto.
1371         * config/i386/ammintrin.h: Ditto.
1372         * config/i386/emmintrin.h: Ditto.
1373         * config/i386/pmmintrin.h: Ditto.
1374         * config/i386/mmintrin.h: Ditto.
1375         * config/i386/mm3dnow.h: Ditto.
1377 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1379         PR middle-end/35185
1380         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1381         (lower_omp_2): New function.
1382         (lower_omp_1, lower_omp): Rewritten.
1384 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1386         PR 35054
1387         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1388         with the phrase "Microsoft Windows compilers".
1389         (Push/Pop Macro Pragmas): New subsection. Document
1390         #pragma push_macro and pragma pop_macro.
1392 2008-03-12  Paul Brook  <paul@codesourcery.com>
1394         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1396 2008-03-12  Paul Brook  <paul@codesourcery.com>
1398         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1399         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1400         (thumb2_addsi_shortim): Rename ...
1401         (thumb2_addsi_short): ... to this.  Allow register operands.
1402         (thumb2_subsi_short): New pattern.
1403         (thumb2_one_cmplsi2_short,
1404         thumb2_negsi2_short): New patterns and peepholes.
1406 2008-03-12  Paul Brook  <paul@codesourcery.com>
1408         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1410 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1412         * config/i386/i386.md (int_cond): New code iterator.
1413         (fp_cond): Ditto.
1414         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1415         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1416         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1417         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1418         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1419         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1420         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1421         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1423 2008-03-12  Paul Brook  <paul@codesourcery.com>
1425         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1426         instead of {arm,thumb}_compute_save_reg_mask.
1427         (output_return_instruction): Ditto.
1428         (thumb_unexpanded_epilogue): Ditto.
1429         (thumb1_expand_prologue): Ditto.
1430         (thumb1_output_function_prologue): Ditto.
1431         (arm_set_return_address): Ditto.
1432         (thumb_set_return_address): Ditto.
1433         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1434         regs to achieve stack alignment.
1435         (thumb1_compute_save_reg_mask): Fix compiler warning.
1436         (arm_output_epilogue): Use offsets->saved_regs_mask.
1437         Adjust stack pointer by poping call clobered registers.
1438         (arm_expand_prologue): Use offsets->saved_regs_mask.
1439         Adjust stack pointer by pushing extra registers.
1440         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1442 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1444         PR tree-opt/35422
1445         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1446         conversion to the operands of a multiplication.
1448 2008-03-12  Richard Guenther  <rguenther@suse.de>
1450         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1451         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1452         * timevar.def (TV_TREE_PHIPROP): Add.
1453         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1454         pass description.  Use TV_TREE_PHIPROP.
1455         * tree-ssa-forwprop.c: Remove phiprop code.
1457 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1459         PR middle-end/35549
1460         * omp-low.c (maybe_lookup_decl): Constify first argument.
1461         (use_pointer_for_field): Change last argument from bool to
1462         omp_context *.  Disallow shared copy-in/out in nested
1463         parallel if decl is shared in outer parallel too.
1464         (build_outer_var_ref, scan_sharing_clauses,
1465         lower_rec_input_clauses, lower_copyprivate_clauses,
1466         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1468 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1469             Ira Rosen  <irar@il.ibm.com>
1471         * tree-vectorizer.c (free_stmt_vec_info): New function.
1472         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1473         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1474         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1475         * tree-vect-transform.c (vectorizable_conversion): Free
1476         vec_oprnds0 if it was allocated.
1477         (vect_permute_store_chain): Remove unused VECs.
1478         (vectorizable_store): Free VECs that are allocated in the..
1479         function.
1480         (vect_transform_strided_load, vectorizable_load): Likewise.
1481         (vect_remove_stores): Simplify the code.
1482         (vect_transform_loop): Move code to vect_remove_stores().
1483         Call vect_remove_stores() and free_stmt_vec_info().
1485 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1487         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1488         TARGET_HPUX.  Revise comment.
1489         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1490         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1491         Use sr4 variant of `be' instruction when not generating PIC code.
1492         (attr_length_call): Adjust for above change.
1494 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1496         * ipa-reference.c (static_execute): Remove module_statics_const and
1497         associated setting code.
1499 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1501         PR target/35540
1502         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1503         predicate for operand 1.
1504         (paritysi2_cmp): Use register_operand predicate for operand 2.
1505         Use earlyclobber modifier for operand 1.  Remove support for
1506         memory operands.
1507         (paritydi2_cmp): Use register_operand predicate for operand 3.
1508         Use earlyclobber modifier for operand 1.  Remove support for
1509         memory operands.
1511 2008-03-11  Paul Brook  <paul@codesourcery.com>
1512             Vladimir Prus  <vladimir@codesourcery.com>
1514         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1515         (arm_compute_save_reg0_reg12_mask): Always
1516         check if register 11 must be saved.  Always safe hard frame pointer
1517         when frame_pointer_needeed.
1518         (arm_compute_save_reg_mask): Save IP and PC
1519         only with apcs frames.
1520         (arm_output_epilogue): Adjust Thumb2 codepath to
1521         be also invoked and work for ARM non-apcs frames.
1522         (arm_expand_prologue): Don't bother saving IP
1523         for non-apcs frame, since it's not clobbered by
1524         prologue code.  Implement non-apcs frame
1525         layout.
1527 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1529         PR rtl-optimization/35281
1530         * expr.c (convert_move): Use a new pseudo for the intermediate
1531         from_mode->word_mode result.
1533 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1535         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1536         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1537         * toplev.c (compile_file): Don't call it.
1539 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1541         PR middle-end/35526
1542         * expr.c (store_expr): Call emit_block_move if the mode
1543         of "temp" RTX is BLKmode.
1545 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1546             Richard Guenther  <rguenther@suse.de>
1548         PR tree-optimization/31358
1549         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1550         the step with a NULL_TREE.
1551         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1552         to sizetype if type is a pointer type.
1553         (add_candidate_1): Don't convert the base and step to
1554         the generic type if the orginal type is a pointer type.
1555         (add_iv_value_candidates): Use sizetype for the step
1556         if type is a pointer type.
1557         (cand_value_at): Likewise.
1558         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1559         for pointer types.
1560         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1561         Don't convert the tem affine to the type.
1562         (add_elt_to_tree): Use sizetype for the step if a pointer.
1563         Use POINTER_PLUS_EXPR for pointers.
1564         (aff_combination_to_tree): Use sizetype for the step if a
1565         pointer.
1567 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1569         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1570         Remove commutativity hint.
1572 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1574         PR c/35438
1575         PR c/35439
1576         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1577         errorneous type.  Check that v is a VAR_DECL.
1579         PR middle-end/35099
1580         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1582 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1584         PR tree-optimization/35494
1585         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1586         may be overriden at link and run time.
1588 2008-03-10  Richard Guenther  <rguenther@suse.de>
1590         PR tree-optimization/34677
1591         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1592         (poolify_tree): Likewise.
1593         (modify_expr_template): Likewise.
1594         (poolify_modify_stmt): Likewise.
1595         (insert_fake_stores): Handle all component-ref style stores
1596         in addition to INDIRECT_REF.  Also handle complex types.
1597         Do not poolify the inserted load.
1598         (realify_fake_stores): Do not rebuild the tree but only
1599         make it a SSA_NAME copy.
1600         (init_pre): Remove initialzation of modify_expr_template.
1601         Do not allocate modify_expr_node_pool.
1602         (fini_pre): Do not free modify_expr_node_pool.
1604 2008-03-10  Paul Brook  <paul@codesourcery.com>
1606         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1607         to avoid conflicts.
1609 2008-03-10  Paul Brook  <paul@codesourcery.com>
1610             Mark Shinwell  <shinwell@codesourcery.com>
1612         * config/arm/cortex-r4.md: New.
1613         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1614         insn attributes.
1615         * config/arm/arm.md: Include cortex-r4.md.
1616         (insn): Add smmls, sdiv and udiv values.
1617         (generic_sched): Don't use generic scheduling for Cortex-R4.
1618         (arm_issue_rate): New function.
1619         (TARGET_SCHED_ISSUE_RATE): Define.
1621 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1623         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1625 2008-03-10  Richard Guenther  <rguenther@suse.de>
1627         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1628         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1630 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1632         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1633         Set default to true.
1635 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1637         * c.opt (Wsynth): Deprecate.
1638         * doc/invoke.texi (Option Summary, Warning Options): Document
1639         -Wno-format-contains-nul.
1641 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1643         PR target/35496
1644         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1645         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1647 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1649         * config/rs6000/rs6000.c (builtin_description): Rename vector
1650         left shift operations.
1651         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1652         (altivec_vsl<VI_char>): Rename to ...
1653         (ashl<mode>3): ... new name.
1654         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1655         gen_ashlv4si3.
1656         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1658 2008-03-08  Richard Guenther  <rguenther@suse.de>
1660         * coverage.h (tree_coverage_counter_addr): Declare.
1661         * coverage.c (tree_coverage_counter_addr): New function.
1662         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1663         before using again.
1664         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1665         (tree_gen_one_value_profiler): Likewise.
1666         (tree_gen_ic_profiler): Likewise.
1667         (tree_gen_average_profiler): Likewise.
1668         (tree_gen_ior_profiler): Likewise.
1670 2008-03-08  Richard Guenther  <rguenther@suse.de>
1672         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1673         (vn_binary_op_insert): Likewise.
1674         (vn_unary_op_lookup): Likewise.
1675         (vn_unary_op_insert): Likewise.
1676         (vn_nary_op_lookup): Declare.
1677         (vn_nary_op_insert): Likewise.
1678         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1679         and binary hashes, use a single obstack for unary_op_pool
1680         and binary_op_pool.
1681         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1682         a single struct vn_nary_op_s.  Store tree code length and
1683         a variable number of operands.
1684         (struct vn_reference_op_struct): Remove unused op2.
1685         (vn_reference_op_eq): Do not compare op2.
1686         (vn_reference_op_compute_hash): Do not compute hash of op2.
1687         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1688         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1689         with vn_nary_op_compute_hash.
1690         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1691         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1692         vn_nary_op_lookup.
1693         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1694         vn_nary_op_insert.
1695         (visit_unary_op): Call nary functions.
1696         (visit_binary_op): Likewise.
1697         (process_scc): Adjust for struct vn_tables_s changes.
1698         (allocate_vn_table): Likewise.
1699         (free_vn_table): Likewise.
1700         * tree-vn.c (vn_add): Call nary functions.
1701         (vn_lookup): Likewise.
1703 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1705         PR target/35498
1706         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1707         wdst back after sync_compare_and_swapqhi_internal.
1709 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1711         PR target/22152
1712         * config/i386/i386-modes.def (V1DI): New vector mode.
1713         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1714         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1715         (MMXMODE248): Ditto.
1716         (MMXMODE): Add V1DI mode.
1717         (mmxvecsize): Change DI mode to V1DI mode.
1718         ("mov<mode>): Use MMXMODEI8 mode iterator.
1719         ("*mov<mode>_internal_rex64"): Ditto.
1720         ("*mov<mode>_internal"): Ditto.
1721         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1722         ("mmx_sub<mode>3"): Ditto.
1723         ("mmx_adddi3"): Remove insn pattern.
1724         ("mmx_subdi3"): Ditto.
1725         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1726         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1727         ("mmx_ashl<mode>3"): Ditto.
1728         ("mmx_lshrdi3"): Remove insn pattern.
1729         ("mmx_ashldi3"): Ditto.
1730         * config/i386/i386.c (classify_argument): Handle V1DImode.
1731         (function_arg_advance_32): Ditto.
1732         (function_arg_32): Ditto.
1733         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1734         mmx_addv1di3 insn pattern.
1735         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1736         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1737         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1738         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1739         Remove definitions of built-in functions.
1740         (V1DI_type_node): New node.
1741         (v1di_ftype_v1di_int): Ditto.
1742         (v1di_ftype_v1di_v1di): Ditto.
1743         (v2si_ftype_v2si_si): Ditto.
1744         (v4hi_ftype_v4hi_di): Remove node.
1745         (v2si_ftype_v2si_di): Ditto.
1746         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1747         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1748         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1749         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1750         Add new builtins using def_builtin_const.
1751         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1752         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1753         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1754         * config/i386/mmintrin.h (__v1di): New typedef.
1755         (_mm_add_si64): Cast arguments to __v1di type.
1756         (_mm_sub_si64): Ditto.
1757         (_mm_sll_pi16): Cast __count to __v4hi type.
1758         (_mm_sll_pi32): Cast __count to __v2si type.
1759         (_mm_sll_si64): Cast arguments to __v1di type.
1760         (_mm_srl_pi16): Cast __count to __v4hi type.
1761         (_mm_srl_pi32): Cast __count to __v2si type.
1762         (_mm_srl_si64): Cast arguments to __v1di type.
1763         (_mm_sra_pi16): Cast __count to __v4hi type.
1764         (_mm_sra_pi32): Cast __count to __v2si type.
1765         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1766         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1767         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1768         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1769         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1770         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1771         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1772         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1773         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1774         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1775         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1776         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1778 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1780         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1782 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1784         PR target/35373
1785         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1786         reg+const addressing for Altivec modes.  Don't generate reg+reg
1787         addressing for TFmode or TDmode quantities.
1789 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1791         * c-common.c (vector_types_convertible_p): Call langhook
1792         instead of comptypes.
1794 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1796         PR tree-opt/35402
1797         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1798         integral and scalar float variables which have a
1799         NULL DECL_INITIAL.
1801 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1803         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1804         dwarf_register_span hook when emitting unwind information for
1805         register-to-memory saves.
1806         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1807         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1809 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1811         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1812         for the same VAR_DECL.
1814 2008-03-06  Tom Tromey  <tromey@redhat.com>
1816         * treelang: Delete.
1817         * doc/standards.texi (Standards): Don't mention treelang.
1818         * doc/invoke.texi (Overall Options): Don't mention treelang.
1819         * doc/install.texi (Prerequisites): Don't mention bison or
1820         treelang.
1821         (Configuration): Don't mention treelang.
1822         (Building): Likewise.
1823         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1825 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1827         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1828         word-extractions out of a multi-word object.
1830 2008-03-06  Richard Guenther  <rguenther@suse.de>
1832         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1833         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1834         result type and precision.
1835         * expr.c (get_inner_reference): Set unsignedp based on the result
1836         type of BIT_FIELD_REF.
1837         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1838         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1839         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1840         for BIT_FIELD_REF.
1841         (sra_build_assignment): Likewise.
1842         (sra_build_elt_assignment): Likewise.
1843         (sra_explode_bitfield_assignment): Likewise.
1844         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1845         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1846         set BIT_FIELD_REF_UNSIGNED.
1847         (vectorizable_load): Likewise.
1849 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1851         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1852         at bb start.
1854 2008-03-06  Richard Guenther  <rguenther@suse.de>
1856         * alias.c (struct alias_set_entry): Move has_zero_child field
1857         to pack with alias_set.
1859 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1861         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1862         32bit host.
1864 2008-03-05  Ian Lance Taylor  <iant@google.com>
1866         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1868 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1870         * fwprop.c (update_df): Support width and offset parameters of
1871         df_ref_create.
1872         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1873         global_conflicts): Change DF_REF_EXTRACT to either
1874         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1875         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1876         * df-scan.c (df_ref_record, df_defs_record,
1877         df_ref_create_structure, df_def_record_1, df_uses_record,
1878         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1879         df_bb_refs_collect, df_entry_block_defs_collect,
1880         df_exit_block_uses_collect): Support new width and offset fields.
1881         (ref_extract_pool): New storage pool.
1882         (df_free_ref): New function.
1883         (df_reg_chain_unlink, df_free_collection_rec,
1884         df_sort_and_compress_refs): Call df_free_ref.
1885         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1886         of df_ref_extract.
1887         (df_ref_create_structure): Allocate df_ref_extract if offset and
1888         width fields are used.
1889         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1890         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1891         and SIGN_EXTRACT.
1892         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1893         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1894         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1895         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1896         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1897         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1898         (df_ref_extract): New structure.
1899         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1900         (df_ref_create): Add width and offset parameters.
1901         
1902 2008-03-05  Richard Guenther  <rguenther@suse.de>
1904         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1905         Use ranges_overlap_p.
1906         (offset_overlaps_with_access): Rename
1907         to ranges_overlap_p and move ...
1908         * tree-flow-inline.h (ranges_overlap_p): ... here.
1910         * tree.h (get_inner_reference, handled_component_p): Update
1911         comments.
1913         * tree.h (record_component_aliases, get_alias_set,
1914         alias_sets_conflict_p, alias_sets_must_conflict_p,
1915         objects_must_conflict_p): Move declarations ...
1916         * alias.h (record_component_aliases, get_alias_set,
1917         alias_sets_conflict_p, alias_sets_must_conflict_p,
1918         objects_must_conflict_p): ... here.
1919         Include coretypes.h.
1920         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1922 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1924         * cfg.c: Include tree-flow.h.
1925         (remove_edge_raw): Call redirect_edge_var_map_clear.
1926         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1927         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1928         (redirect_edge_var_map_result): New.
1929         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1930         PENDING_STMT use with redirect_edge_var_map_*.
1931         * tree-ssa.c (edge_var_maps): New definition.
1932         (redirect_edge_var_map_add): New.
1933         (redirect_edge_var_map_clear): New.
1934         (redirect_edge_var_map_dup): New.
1935         (redirect_edge_var_map_vector): New.
1936         (redirect_edge_var_map_destroy): New.
1937         (ssa_redirect_edge): Replace PENDING_STMT use with
1938         redirect_edge_var_map_*.
1939         (flush_pending_stmts): Same.
1940         (delete_tree_ssa): Destroy edge var map.
1941         * tree-flow.h (struct _edge_var_map): New.
1942         Define edge_var_map vector type.
1943         Declare redirect_edge_var_map_* prototypes.
1944         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1945         * tree-cfg.c (reinstall_phi_args): Replace
1946         PENDING_STMT use with redirect_edge_var_map_*.
1948 2008-03-05  Richard Guenther  <rguenther@suse.de>
1950         PR tree-optimization/35472
1951         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1952         whose single use_stmt has a overlapping set of loaded and
1953         stored symbols as that use_stmt might be a noop assignment then.
1955 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1957         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1959 2008-03-05  Richard Guenther  <rguenther@suse.de>
1961         PR c++/35336
1962         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1963         should be constants.
1964         * tree-cfg.c (verify_expr): Verify it.
1965         * fold-const.c (fold_truthop): Remove code generating
1966         BIT_FIELD_REFs of structure bases.
1967         (fold_binary): Likewise.
1968         (fold_ternary): Position and size of BIT_FIELD_REFs are
1969         always host integers.
1970         (make_bit_field_ref): Remove.
1971         (optimize_bit_field_compare): Remove.
1972         (all_ones_mask_p): Remove.
1974 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1976         PR gcc/33009
1977         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1978         (split_block_and_df_analyze): New. Split basic block and rebuild
1979         dataflow.
1980         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1981         SPLIT_BLOCK.
1982         (split_pattern_seq): Likewise.
1983         (erase_matching_seqs): Likewise.
1984         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1986 2008-03-04  Geoff Keating  <geoffk@apple.com>
1988         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1989         declaration and code.
1990         (tree_invalid_nonnegative_warnv_p): Likewise.
1992 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1994         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1995         examples.  Truncate option-names then causing overfull hbox.
1997 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1999         PR target/35222
2000         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2001         on hpux10.
2002         * configure: Rebuilt.
2004 2008-03-04  Rafael Espindola  <espindola@google.com>
2006         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2007         (tree_unary_nonnegative_warnv_p): New.
2008         (tree_binary_nonnegative_warnv_p): New.
2009         (tree_single_nonnegative_warnv_p): New.
2010         (tree_invalid_nonnegative_warnv_p): New.
2011         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2013 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2015         PR 28322
2016         * opts.c (handle_option): Postpone 'unknown option' errors only for
2017         warning options.
2019 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2021         PR target/35453
2022         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2023         (_SIDD_XXX): This.
2025 2008-03-04  Rafael Espindola  <espindola@google.com>
2027         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2028         (tree_binary_nonzero_warnv_p): New.
2029         (tree_single_nonzero_warnv_p): New.
2030         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2032 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2034         PR middle-end/35456
2035         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2036         transformations for modes that have signed zeros.
2037         * ifcvt.c (noce_try_abs): Ditto.
2039 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2041         * config/i386/i386.c (override_options): Force
2042         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2044 2008-03-04  Jan Hubicka  <jh@suse.cz>
2046         PR c++/35262
2047         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2048         in last commit.
2050 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2052         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2053         label to probe the stack.
2055 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2057         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2058         (__gthr_win32_mutex_destroy): Declare.
2059         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2060         __gthr_win32_mutex_destroy.
2061         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2063 2008-03-03  Jan Hubicka  <jh@suse.cz>
2065         PR c++/35262
2066         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2067         aggressive on inlining cold calls.
2069 2008-03-03  Richard Guenther  <rguenther@suse.de>
2071         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2072         struct copies into the expression table.
2073         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2074         (try_to_simplify): Likewise.
2075         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2076         integral and pointer arguments which do not change the
2077         precision to NOP_EXPRs.
2078         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2079         VIEW_CONVERT_EXPR case.
2081 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2083         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2084         defined in a loop at depth 0 is invariant.
2085         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2086         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2087         be called at loop depth 0.
2089 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2091         PR driver/35420
2092         * gcc.c (process_command): Update copyright notice dates.
2093         * gcov.c (print_version): Likewise.
2094         * gcov-dump.c (print_version): Likewise.
2095         * mips-tfile.c (main): Likewise.
2096         * mips-tdump.c (main): Likewise.
2098 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2100         PR 24924
2101         * c-common.c (flag_permissive): Delete.
2102         (constant_expression_warnings): Check flags first.
2103         (constant_expression_error): New.
2104         * c-common.h (flag_permissive): Delete.
2105         (constant_expression_error): Declare.
2106         * flags.h (flag_permissive): Declare. Update description.
2107         * diagnostic.c (pedwarn): Update.
2108         (permerror): New.
2109         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2110         (permissive_error_kind): New.
2111         * toplev.c (flag_permissive): Define. Update description.
2112         * toplev.h (permissive_error_kind): Declare.
2113         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2114         (pedwarn_c90): Use pedantic_warning_kind.
2115         * c-opts.c (c_common_post_options): flag_permissive does not affect
2116         flag_pedantic_errors.
2118 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2120         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2121         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2122         __absvsi2, __absvDI2): Use unsigned arithmetic.
2124 2008-03-02  Andi Kleen  <ak@suse.de>
2125             Richard Guenther  <rguenther@suse.de>
2127         * struct-equiv.c: Remove file.
2128         * cfg_cleanup.c (condjump_equiv_p): Remove.
2129         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2130         (struct-equiv.o): Remove rule.
2131         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2132         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2133         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2135 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2137         * ifcvt.c (noce_process_if_block): Try to handle only the then
2138         block if the else block exists but isn't suitable.
2140 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2142         PR gcc/35063
2143         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2144         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2145         regression from previous patch.
2147 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2149         PR gcc/35063
2150         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2151         implemented.
2152         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2153         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2154         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2155         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2156         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2157         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2158         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2159         (__gthread_mutex_destroy_function): Rename to
2160         __gthread_mutex_destroy.
2161         * gthr-dce.h (__gthread_mutex_destroy): Call
2162         pthread_mutex_destroy.
2163         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2164         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2165         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2167 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2169         * df-scan.c (df_ref_chain_change_bb): Simplify.
2170         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2171         set_block_for_insn if there's any change.
2172         * df.h ((df_insn_change_bb): Fix prototype.
2173         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2174         df_insn_change_bb, don't call set_block_for_insn.
2175         * emit-rtl.c (reorder_insns): Likewise.
2176         * haifa-sched.c (move_insn): Likewise.
2178 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2180         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2182 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2184         * tree-flow-inline.h (next_readonly_imm_use): Return
2185         NULL_USE_OPERAND_P after the end.
2187 2008-03-01  Richard Guenther  <rguenther@suse.de>
2189         PR tree-optimization/35411
2190         * tree-sra.c (sra_build_assignment): Split conversion to
2191         final type to a separate statement if we are not assigning
2192         to a register.
2194 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2196         * fold-const.c (fold_convertible_p): Correct the logic to follow
2197         that in fold_convert().
2199 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2201         PR c++/35315
2202         * tree-inline.c (build_duplicate_type): When we make a
2203         duplicate type, make it unique in the canonical types system.
2205 2008-02-29  Tom Tromey  <tromey@redhat.com>
2207         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2208         input_file_stack_history, input_file_stack_restored): Remove.
2209         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2210         * input.h (struct file_stack): Remove.
2211         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2212         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2213         Likewise.
2214         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2215         type.
2216         (diagnostic_last_module_changed): Add 'map' argument.
2217         (diagnostic_set_last_function): Likewise.
2218         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2219         line map, not input_file_stack.
2220         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2222 2008-02-29  Paul Brook  <paul@codesourcery.com>
2224         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2226 2008-02-29  Paul Brook  <paul@codesourcery.com>
2228         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2230 2008-02-29  Richard Guenther  <rguenther@suse.de>
2232         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2233         vn_lookup_or_add.
2234         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2235         value for comparing for a store match.
2236         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2237         (try_to_simplify): Do not do a full-blown reference lookup.
2239 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2241         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2242         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2244         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2246 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2248         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2249         strides against cache sizes.
2251 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2253         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2254         constant to fpul.
2256 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2258         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2259         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2260         is smaller than the original promoted value.
2261         (simplify_subreg): If OP is a SUBREG, try to preserve its
2262         SUBREG_PROMOTED_VAR_P information.
2264 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2266         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2267         (VN_INFO_GET): Allocate new objects on the obstack.
2268         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2269         for rpo_numbers_temp, for consistency.
2270         (free_scc_vn): Free the obstack.
2272 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2274         * doc/invoke.texi: Document -ftree-loop-distribution.
2275         * tree-loop-distribution.c: New.
2276         * tree-pass.h (pass_loop_distribution): New.
2277         * graphds.h (struct graph): Add htab_t indices.
2278         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2279         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2280         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2281         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2282         * tree-data-ref.c (debug_data_dependence_relations): New.
2283         (dump_data_dependence_relation): Also print data references.
2284         (free_data_ref): Extern.
2285         (same_access_functions): Moved...
2286         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2287         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2288         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2289         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2290         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2291         (stmts_from_loop): Skip LABEL_EXPR.
2292         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2293         New.
2294         (build_rdg): Initialize rdg->indices htab.
2295         (free_rdg, stores_from_loop, ref_base_address,
2296         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2297         have_similar_memory_accesses_1, ref_base_address_1,
2298         remove_similar_memory_refs): New.
2299         * tree-data-ref.h: Depend on tree-chrec.h.
2300         (debug_data_dependence_relations, free_data_ref): Declared.
2301         (same_access_functions): ... here.
2302         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2303         New.
2304         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2305         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2306         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2307         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2308         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2309         rdg_vertex_for_stmt): Declared.
2310         (struct rdg_edge): Add level.
2311         (RDGE_LEVEL): New.
2312         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2313         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2314         Declared.
2315         (rdg_has_similar_memory_accesses): New.
2316         * tree-vect-analyze.c: Remove unused static decls.
2317         * lambda.h (dependence_level): New.
2318         * common.opt (ftree-loop-distribution): New.
2319         * tree-flow.h (mark_virtual_ops_in_bb, 
2320         slpeel_tree_duplicate_loop_to_edge_cfg,
2321         rename_variables_in_loop): Declared.
2322         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2323         (OBJS-common): Add tree-loop-distribution.o.
2324         (tree-loop-distribution.o): New rule.
2325         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2326         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2327         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2329 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2331         PR target/33963
2332         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2333         other than structures and unions.
2335 2008-02-28  Richard Guenther  <rguenther@suse.de>
2337         Revert:
2338         2008-02-26  Richard Guenther  <rguenther@suse.de>
2340         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2341         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2342         (lookup_decl_from_uid): Declare.
2343         (remove_decl_from_map): Likewise.
2344         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2345         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2346         (decl_for_uid_map): New global hashtable mapping DECL_UID
2347         to the decl tree.
2348         (init_ttree): Allocate it.
2349         (insert_decl_to_uid_decl_map): New helper function.
2350         (make_node_stat): Insert new decls into the map.
2351         (copy_node_stat): Likewise.
2352         (lookup_decl_from_uid): New function.
2353         (remove_decl_from_map): Likewise.
2354         (print_decl_for_uid_map_statistics): New helper.
2355         (dump_tree_statistics): Call it.
2357         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2358         (referenced_var_iterator): Adjust.
2359         (FOR_EACH_REFERENCED_VAR): Adjust.
2360         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2361         (num_referenced_vars): Adjust.
2362         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2363         (first_referenced_var): Remove.
2364         (end_referenced_vars_p): Likewise.
2365         (next_referenced_var): Likewise.
2366         (referenced_var_iterator_set): New helper function.
2367         * tree-dfa.c (referenced_var_lookup): Adjust.
2368         (referenced_var_check_and_insert): Likewise.
2369         (remove_referenced_var): Likewise.
2370         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2371         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2372         (verify_call_clobbering): Likewise.
2373         (verify_memory_partitions): Likewise.
2374         (init_tree_ssa): Allocate bitmap instead of hashtable for
2375         referenced_vars.
2376         (delete_tree_ssa): Adjust.
2377         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2378         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2379         (compute_tag_properties): Likewise.
2380         (set_initial_properties): Likewise.
2381         (find_partition_for): Likewise.
2382         (update_reference_counts): Likewise.
2383         (dump_may_aliases_for): Likewise.
2384         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2385         (add_call_clobber_ops): Likewise.
2386         (add_call_read_ops): Likewise.
2387         (get_asm_expr_operands): Likewise.
2388         * tree-into-ssa.c (dump_decl_set): Likewise.
2389         (update_ssa): Likewise.
2390         * tree-sra.c (scan_function): Likewise.
2391         (decide_instantiations): Likewise.
2392         (scalarize_parms): Likewise.
2393         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2394         (dsa_named_for): Likewise.
2395         * tree-ssa-structalias.c (update_alias_info): Likewise.
2396         (merge_smts_into): Likewise.
2398 2008-02-27  David Daney  <ddaney@avtrex.com>
2400         PR target/34409
2401         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2402         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2403         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2404         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2405         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2407 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2409         PR target/25477
2410         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2411         (BUILT_IN_NEXTTOWARD): Remove.
2412         (BUILT_IN_NEXTTOWARDF): Ditto.
2413         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2414         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2416 2008-02-27  Tom Tromey  <tromey@redhat.com>
2418         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2419         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2421 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2423         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2424         update the respective field on newdecl.
2426 2008-02-27  Revital Eres  <eres@il.ibm.com>
2428         PR rtl-optimization/34999
2429         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2430         crossing edges that ends with a call insn.
2431         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2432         call insn and clear the EDGE_CROSSING flag of the crossing edge
2433         when fixing fallthru edges.
2435 2008-02-27  Richard Guenther  <rguenther@suse.de>
2437         PR middle-end/35390
2438         * fold-const.c (fold_unary): Return the correct argument,
2439         converted to the result type.
2441 2008-02-27  Richard Guenther  <rguenther@suse.de>
2443         PR middle-end/34971
2444         * expr.c (expand_expr_real_1): Assert on rotates that operate
2445         on partial modes.
2446         * fold-const.c (fold_binary): Use the types precision, not the
2447         bitsize of the mode if folding rotate expressions.  Build rotates
2448         only for full modes.
2450 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2452         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2453         and CPP_PRAGMA_EOL.
2454         * c-pragma.c (pragma_ns_name): New typedef.
2455         (registered_pp_pragmas): New variable.
2456         (c_pp_lookup_pragma): New function.
2457         (c_register_pragma_1): If flag_preprocess_only, do nothing
2458         for non-expanded pragmas, for expanded ones push pragma's
2459         namespace and name into registered_pp_pragmas vector.
2460         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2461         flag_preprocess_only, don't register GCC pch_preprocess
2462         pragma if flag_preprocess_only.
2463         * c-opts.c (c_common_init): Call init_pragma even if
2464         flag_preprocess_only.
2465         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2466         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2467         cpp_register_pragma if flag_preprocess_only.
2469 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2471         PR c/28800
2472         * c-parser.c (c_parser_translation_unit): Warn for empty
2473         translation unit, not empty source file.
2475 2008-02-26  Paul Brook  <paul@codesourcery.com>
2477         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2478         operand for Thumb-2.
2479         * config/arm/arm.h (reg_class): Add CORE_REGS.
2480         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2481         (BASE_REG_CLASS): Use CORE_REGS.
2482         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2483         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2484         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2485         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2486         ARM_REGNO_OK_FOR_INDEX_P.
2487         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2488         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2489         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2490         (ldm/stm peepholes): Ditto.
2491         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2492         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2493         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2494         * config/arm/constraints.md: Enable "k" constraint on ARM.
2496 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2498         * config/rs6000/rs6000.c: Annotate cache line size field in all
2499         instances of struct processor_costs.
2501 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2503         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2504         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2505         jump_bypass): New counters.
2506         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2507         * dce.c (gate_ud_dce): Same.
2508         (gate_fast_dce): Same.
2509         * dse.c (gate_dse1): New function.
2510         (gate_dse2): New function.
2511         (gate_dse): Merge results of new gate functions.
2512         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2513         (gate_handle_jump_bypass): Add dbg_cnt.
2514         (gate_handle_gcse): Add dbg_cnt.
2515         * ifcvt.c (gate_handle_if_conversion): Same.
2516         (gate_handle_if_after_combine): Same.
2517         (gate_handle_if_after_reload): Same.
2518         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2520 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2522         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2523         line sizes.
2524         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2526 2008-02-26  Jason Merrill  <jason@redhat.com>
2528         PR c++/35315
2529         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2530         alone if it's the naming decl for the type's main variant.
2532 2008-02-26  Tom Tromey  <tromey@redhat.com>
2534         * system.h (USE_MAPPED_LOCATION): Poison.
2535         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2536         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2537         (make_goto_expr_edges): Likewise.
2538         (remove_bb): Likewise.
2539         (execute_warn_function_return): Likewise.
2540         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2541         location_t.
2542         * c-common.c (fname_decl): Remove old location code.
2543         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2544         location code.
2545         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2546         variant.
2547         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2548         (gen_rtx_ASM_INPUT): Likewise.
2549         (gen_rtx_ASM_INPUT_loc): Likewise.
2550         (get_rtx_asm_OPERANDS): Remove.
2551         * cfglayout.c (insn_locators_alloc): Remove old location code.
2552         (set_curr_insn_source_location): Likewise.
2553         (curr_insn_locator): Likewise.
2554         * print-tree.c (print_node): Remove old location code.
2555         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2556         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2557         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2558         location_from_locus.
2559         (construct_exit_block): Remove old location code.
2560         * emit-rtl.c (force_next_line_note): Remove old location code.
2561         * profile.c (branch_prob): Remove old location code.
2562         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2563         LOC_LINE): Remove old-location variants.
2564         * langhooks.c (lhd_print_error_function): Remove old location
2565         code.
2566         * configure, config.in: Rebuilt.
2567         * configure.ac (--enable-mapped-location): Remove.
2568         * c-decl.c (c_init_decl_processing): Remove old location code.
2569         (finish_function): Likewise.
2570         * recog.c (decode_asm_operands): Remove old location code.
2571         * c-pch.c (c_common_read_pch): Remove old location code.
2572         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2573         variants.
2574         * gimple-low.c (lower_function_body): Remove old location code.
2575         * toplev.c (unknown_location): Remove.
2576         (push_srcloc): Remove old-location variant.
2577         (process_options): Remove old location code.
2578         (lang_dependent_init): Likewise.
2579         * input.h (UNKNOWN_LOCATION): Move definition.
2580         (location_t): Undeprecate.
2581         (source_locus): Remove.
2582         (location_from_locus): Remove.
2583         (struct location_s): Remove.
2584         Remove all old-location code.
2585         (input_line, input_filename): Remove.
2586         * final.c (final_scan_insn): Remove old location code.
2587         * diagnostic.c (diagnostic_build_prefix): Remove
2588         USE_MAPPED_LOCATION test.
2589         * tree.h (gimple_stmt) <locus>: Now a location_t.
2590         (tree_exp) <locus>: Likewise.
2591         (DECL_IS_BUILTIN): Remove old-location variant.
2592         (annotate_with_file_line, annotate_with_locus): Likewise.
2593         (expr_locus, set_expr_locus): Update.
2594         * tree.c (build1_stat): Remove old location code.
2595         (last_annotated_node): Remove.
2596         (annotate_with_file_line): Remove old-location variant.
2597         (annotate_with_locus): Likewise.
2598         (expr_location): Remove old location code.
2599         (set_expr_location): Likewise.
2600         (expr_has_location): Likewise.
2601         (expr_locus): Likewise.
2602         (set_expr_locus): Likewise.
2603         (expr_filename): Don't use location_from_locus.
2604         (expr_lineno): Likewise.
2605         * rtl-error.c (location_for_asm): Remove old location code.
2606         * c-lex.c (cb_line_change): Remove old location code.
2607         (fe_file_change): Likewise.
2608         (cb_def_pragma): Likewise.
2609         (c_lex_with_flags): Likewise.
2610         * gengtype.c (do_typedef): Don't special-case location types.
2611         (define_location_structures): Remove.
2612         (main): Don't call define_location_structures.
2613         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2614         code.
2616 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2618         PR 26264
2619         * builtins.def (BUILT_IN_STDARG_START): Remove.
2620         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2621         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2622         * tree-inline.c (inline_forbidden_p_1): Likewise.
2623         
2624 2008-02-26  Richard Guenther  <rguenther@suse.de>
2626         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2627         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2628         (lookup_decl_from_uid): Declare.
2629         (remove_decl_from_map): Likewise.
2630         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2631         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2632         (decl_for_uid_map): New global hashtable mapping DECL_UID
2633         to the decl tree.
2634         (init_ttree): Allocate it.
2635         (insert_decl_to_uid_decl_map): New helper function.
2636         (make_node_stat): Insert new decls into the map.
2637         (copy_node_stat): Likewise.
2638         (lookup_decl_from_uid): New function.
2639         (remove_decl_from_map): Likewise.
2640         (print_decl_for_uid_map_statistics): New helper.
2641         (dump_tree_statistics): Call it.
2643         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2644         (referenced_var_iterator): Adjust.
2645         (FOR_EACH_REFERENCED_VAR): Adjust.
2646         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2647         (num_referenced_vars): Adjust.
2648         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2649         (first_referenced_var): Remove.
2650         (end_referenced_vars_p): Likewise.
2651         (next_referenced_var): Likewise.
2652         (referenced_var_iterator_set): New helper function.
2653         * tree-dfa.c (referenced_var_lookup): Adjust.
2654         (referenced_var_check_and_insert): Likewise.
2655         (remove_referenced_var): Likewise.
2656         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2657         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2658         (verify_call_clobbering): Likewise.
2659         (verify_memory_partitions): Likewise.
2660         (init_tree_ssa): Allocate bitmap instead of hashtable for
2661         referenced_vars.
2662         (delete_tree_ssa): Adjust.
2663         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2664         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2665         (compute_tag_properties): Likewise.
2666         (set_initial_properties): Likewise.
2667         (find_partition_for): Likewise.
2668         (update_reference_counts): Likewise.
2669         (dump_may_aliases_for): Likewise.
2670         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2671         (add_call_clobber_ops): Likewise.
2672         (add_call_read_ops): Likewise.
2673         (get_asm_expr_operands): Likewise.
2674         * tree-into-ssa.c (dump_decl_set): Likewise.
2675         (update_ssa): Likewise.
2676         * tree-sra.c (scan_function): Likewise.
2677         (decide_instantiations): Likewise.
2678         (scalarize_parms): Likewise.
2679         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2680         (dsa_named_for): Likewise.
2681         * tree-ssa-structalias.c (update_alias_info): Likewise.
2682         (merge_smts_into): Likewise.
2684 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2686         PR 34351
2687         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2688         * c-opts.c (c_common_handle_option): Wall enables
2689         Wvolatile-register-var.
2690         * common.opt: Move Wvolatile-register-var to...
2691         * c.opt: ...here.
2692         
2693 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2695         * common.opt (Wlarger-than=): New.
2696         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2697         -Wlarger-than=.
2698         * opts.c (common_handle_option): Handle -Wlarger-than=.
2699         * optc-gen.awk: Likewise.
2700         * opth-gen.awk: Likewise.
2701         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2702         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2703         
2704 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2706         * c-common.c (match_case_to_enum_1): Add appropriate
2707         OPT_W* parameter to warning.
2708         (c_do_switch_warnings): Likewise.
2709         * c-typeck.c (warning_init): Add one more parameter following
2710         'warning' function.
2711         (push_init_level): Update call to warning_init.
2712         (pop_init_level): Likewise.
2713         (add_pending_init): Likewise.
2714         (output_init_element: Likewise.
2716 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2718         PR 28322
2719         * toplev.c (toplev_main): If there are warnings or error, print
2720         errors for ignored options.
2721         * opts.c (ignored_options): New static variable.
2722         (postpone_unknown_option_error): New.
2723         (print_ignored_options): New.
2724         (handle_option): Postpone errors for unknown -Wno-* options.
2725         * opts.h (print_ignored_options): Declare.
2726         
2727 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2729         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2730         to "ghost".
2732 2008-02-25  Richard Guenther  <rguenther@suse.de>
2734         Revert:
2735         2008-02-25  Richard Guenther  <rguenther@suse.de>
2737         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2738         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2739         (lookup_decl_from_uid): Declare.
2740         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2741         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2742         (decl_for_uid_map): New global hashtable mapping DECL_UID
2743         to the decl tree.
2744         (init_ttree): Allocate it.
2745         (insert_decl_to_uid_decl_map): New helper function.
2746         (make_node_stat): Insert new decls into the map.
2747         (copy_node_stat): Likewise.
2748         (lookup_decl_from_uid): New function.
2749         (print_decl_for_uid_map_statistics): New helper.
2750         (dump_tree_statistics): Call it.
2752         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2753         (referenced_var_iterator): Adjust.
2754         (FOR_EACH_REFERENCED_VAR): Adjust.
2755         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2756         (num_referenced_vars): Adjust.
2757         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2758         (first_referenced_var): Remove.
2759         (end_referenced_vars_p): Likewise.
2760         (next_referenced_var): Likewise.
2761         (referenced_var_iterator_set): New helper function.
2762         * tree-dfa.c (referenced_var_lookup): Adjust.
2763         (referenced_var_check_and_insert): Likewise.
2764         (remove_referenced_var): Likewise.
2765         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2766         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2767         (verify_call_clobbering): Likewise.
2768         (verify_memory_partitions): Likewise.
2769         (init_tree_ssa): Allocate bitmap instead of hashtable for
2770         referenced_vars.
2771         (delete_tree_ssa): Adjust.
2772         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2773         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2774         (compute_tag_properties): Likewise.
2775         (set_initial_properties): Likewise.
2776         (find_partition_for): Likewise.
2777         (update_reference_counts): Likewise.
2778         (dump_may_aliases_for): Likewise.
2779         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2780         (add_call_clobber_ops): Likewise.
2781         (add_call_read_ops): Likewise.
2782         (get_asm_expr_operands): Likewise.
2783         * tree-into-ssa.c (dump_decl_set): Likewise.
2784         (update_ssa): Likewise.
2785         * tree-sra.c (scan_function): Likewise.
2786         (decide_instantiations): Likewise.
2787         (scalarize_parms): Likewise.
2788         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2789         (dsa_named_for): Likewise.
2790         * tree-ssa-structalias.c (update_alias_info): Likewise.
2791         (merge_smts_into): Likewise.
2793 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2795         PR fortran/29549
2796         * doc/invoke.texi (-fcx-limited-range): Document new option.
2797         * toplev.c (process_options): Handle -fcx-fortran-rules.
2798         * common.opt: Add documentation for -fcx-fortran-rules.
2800 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2802         PR c/35162
2803         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2804         actual behaviour and C99.
2805         
2806 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2808         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2809         (ASM_CPU_POWER6_SPEC): Likewise.
2810         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2811         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2812         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2814 2008-02-25  Richard Guenther  <rguenther@suse.de>
2816         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2817         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2818         (lookup_decl_from_uid): Declare.
2819         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2820         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2821         (decl_for_uid_map): New global hashtable mapping DECL_UID
2822         to the decl tree.
2823         (init_ttree): Allocate it.
2824         (insert_decl_to_uid_decl_map): New helper function.
2825         (make_node_stat): Insert new decls into the map.
2826         (copy_node_stat): Likewise.
2827         (lookup_decl_from_uid): New function.
2828         (print_decl_for_uid_map_statistics): New helper.
2829         (dump_tree_statistics): Call it.
2831         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2832         (referenced_var_iterator): Adjust.
2833         (FOR_EACH_REFERENCED_VAR): Adjust.
2834         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2835         (num_referenced_vars): Adjust.
2836         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2837         (first_referenced_var): Remove.
2838         (end_referenced_vars_p): Likewise.
2839         (next_referenced_var): Likewise.
2840         (referenced_var_iterator_set): New helper function.
2841         * tree-dfa.c (referenced_var_lookup): Adjust.
2842         (referenced_var_check_and_insert): Likewise.
2843         (remove_referenced_var): Likewise.
2844         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2845         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2846         (verify_call_clobbering): Likewise.
2847         (verify_memory_partitions): Likewise.
2848         (init_tree_ssa): Allocate bitmap instead of hashtable for
2849         referenced_vars.
2850         (delete_tree_ssa): Adjust.
2851         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2852         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2853         (compute_tag_properties): Likewise.
2854         (set_initial_properties): Likewise.
2855         (find_partition_for): Likewise.
2856         (update_reference_counts): Likewise.
2857         (dump_may_aliases_for): Likewise.
2858         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2859         (add_call_clobber_ops): Likewise.
2860         (add_call_read_ops): Likewise.
2861         (get_asm_expr_operands): Likewise.
2862         * tree-into-ssa.c (dump_decl_set): Likewise.
2863         (update_ssa): Likewise.
2864         * tree-sra.c (scan_function): Likewise.
2865         (decide_instantiations): Likewise.
2866         (scalarize_parms): Likewise.
2867         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2868         (dsa_named_for): Likewise.
2869         * tree-ssa-structalias.c (update_alias_info): Likewise.
2870         (merge_smts_into): Likewise.
2872 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2874         PR target/35258
2875         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2876         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2877         * alias.h (nonoverlapping_memrefs_p): Likewise.
2879 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2881         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2882         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2883         __emultls_get_address, __emultls_register_common,
2884         __floatundi?f, and _Unwind_GetIPInfo.
2885         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2886         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2887         (gen_regparm_prefix): Likewise.
2888         (i386_nlm_encode_section_info): Sync with
2889         config/i386/winnt.c:i386_pe_encode_section_info().
2890         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2891         i386_nlm_mangle_decl_assembler_name): New.
2892         (netware_override_options): New.
2893         * config/i386/netware.h (netware_override_options): Declare.
2894         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2895         (i386_nlm_mangle_decl_assembler_name): Declare.
2896         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2898 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2900         PR other/32948
2901         * c-decl.c (grokdeclarator): Remove unused local variables
2902         `typedef_type' and `type_as_written'.
2903         * bb-reorder.c
2904         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2905         unused local variable `has_hot_blocks'.
2906         (fix_crossing_conditional_branches): Remove unused local variable
2907         `prev_bb'.
2908         
2909 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2911         PR middle-end/19984
2912         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2913         using DEF_C99_BUILTIN.
2914         (BUILT_IN_NANF): Ditto.
2915         (BUILT_IN_NANL): Ditto.
2917 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2918             Revital Eres  <eres@il.ibm.com>
2920         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2921         regarding the order of two dependent insns in the same row.
2923 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2925         * stor-layout.c (layout_decl): Do not bump the alignment of a
2926         bit-field to more than byte alignment if it is packed.
2928 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2930         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2931         e300c2 and e300c3.
2933 2008-02-24  Diego Novillo  <dnovillo@google.com>
2935         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2937         PR 33738
2938         * tree-vrp.c (vrp_evaluate_conditional): With
2939         -Wtype-limits, emit a warning when comparing against a
2940         constant outside the natural range of OP0's type.
2941         * c.opt (Wtype-limits): Move ...
2942         * common.opt (Wtype-limits): ... here.
2944 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2946         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2947         * config/rs6000/e300c2c3.md: New file.
2948         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2949         e300c2 and e300c3.
2950         (rs6000_override_options): Add e300c2 and e300c3 cases to
2951         processor_target_table. Do not allow usage of Altivec or Spe
2952         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2953         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2954         * config/rs6000/rs6000.h (processor_type): Add
2955         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2956         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2957         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2958         and ppce300c3. Include e300c2c3.md.
2960 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2962         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2963         instead of TARGET_STRICT_ALIGN.
2965 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2967         * explow.c (memory_address): Assert that the generated address is
2968         valid.
2970 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2972         PR target/25477
2973         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2974         * config/darwin-ppc-ldouble-patch.def: New file.
2975         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2976         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2977         SUBTARGET_INIT_BUILTINS if defined.
2978         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2979         New functions.
2981 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2983         PR rtl-opt/33512
2984         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2985         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2987 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2989         PR pch/35027
2990         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2991         file" warning condtional on -Winvalid-PCH.
2993 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2995         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2997 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2999         PR target/22076
3000         PR target/34256 
3001         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3002         prevent reload from using MMX registers.
3003         (*mov<mode>_internal): Ditto.
3004         (*movv2sf_internal_rex64): Ditto.
3005         (*movv2sf_internal): Ditto.
3007 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3009         PR documentation/31569
3010         * doc/install.texi2html: Use makeinfo --no-number-sections.
3012 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3014         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3015         ensure that we can address an entire entity > 8 bytes.  Don't
3016         generate reg+reg addressing for such data.
3018 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3020         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3021         strings when optimizing for size, unless the target cares about
3022         alignment.
3024 2008-02-22  Tom Tromey  <tromey@redhat.com>
3026         * regclass.c (current_pass): Remove declaration.
3028 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3030         * config/avr/libgcc.S (__RAMPZ__): Define.
3031         (__do_copy_data): Add for devices with 128KB code memory.
3033 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3035         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3036         Use spe_abi.
3037         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3039 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3041         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3042         GENNONACR_REGS.
3044 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3046         PR c/19999
3047         * c-typeck.c (build_binary_op): Warn about floating point
3048         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3050 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3052         PR target/34526
3053         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3054         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3055         add vrsave.
3056         (rs6000_override_options): Set altivec_abi as default, not override,
3057         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3058         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3059         is used; use new member spe_abi.
3060         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3061         spe_abi and altivec_abi.
3063 2008-02-22  Tomas Bily  <tbily@suse.cz>
3065         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3067 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3069         PR bootstrap/35273
3070         * config.build (build_file_translate): Set to `CMD //c' only if
3071         it works.
3072         * Makefile.in (build_file_translate): Improve comment.
3074 2008-02-21  Jan Hubicka  <jh@suse.cz>
3076         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3077         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3078         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3080 2008-02-21  Michael Matz  <matz@suse.de>
3082         PR target/35264
3083         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3085 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3087         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3088         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3089         as insn constraint.
3090         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3091         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3092         SSE_VEC_FLOAT_MODE_P as insn constraint.
3093         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3094         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3095         sse4a_movntdf using MODEF mode iterator.
3096         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3097         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3098         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3099         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3100         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3101         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3102         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3104 2008-02-21  Richard Guenther  <rguenther@suse.de>
3106         * tree.def (PAREN_EXPR): New tree code.
3107         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3108         and PAREN_EXPR.
3109         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3110         * expr.c (expand_expr_real_1): Likewise.
3111         * tree-inline.c (estimate_num_insns_1): Likewise.
3112         * tree-complex.c (expand_complex_move): Likewise.
3113         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3114         as plain x.
3116 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3118         PR target/35225
3119         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3121 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3123         PR target/35190
3124         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3126         * config/sh/sh.c (find_barrier): Don't go past
3127         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3129 2008-02-20  DJ Delorie  <dj@redhat.com>
3131         * config/h8300/h8300.md (insv): Force source operand to be a register.
3133         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3134         as a jump, not as a plain insn.
3135         
3136 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3138         * doc/invoke.texi (Warning Options): Add new option
3139         -Wframe-larger-than=.
3140         (-Wframe-larger-than): Document.
3142         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3143         Add declarations for new option variables.
3145         * final.c (final_start_function): Check the frame size
3146         before emission and issue a Wframe-larger-than warning.
3148         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3149         Add definitions for new option variables.
3150         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3152         * common.opt (Wframe-larger-than=): New option.
3154 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3156         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3157         (<sse>_div<mode>3): Ditto.
3158         (<sse>_vmdiv<mode>3): Ditto.
3159         (<sse>_vmsqrt<mode>2): Ditto.
3160         (*smax<mode>3): Ditto.
3161         (sse5_frcz<mode>2): Ditto.
3162         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3163         as insn constraint.
3165 2008-02-20  Richard Guenther  <rguenther@suse.de>
3167         PR middle-end/35265
3168         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3169         be happy with INTEGRAL_TYPE_P.
3171 2008-02-20  Richard Guenther  <rguenther@suse.de>
3173         * fold-const.c (split_tree): Associate floatig-point expressions
3174         if flag_associative_math is set.
3176 2008-02-20  Richard Guenther  <rguenther@suse.de>
3178         * tree.h (fold_real_zero_addition_p): Declare.
3179         * fold-const.c (fold_real_zero_addition_p): Export.
3180         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3181         floating-point operations with zero and one.
3183 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3185         * doc/install.texi: Correct references to CFLAGS, replacing them
3186         with BOOT_CFLAGS.  Document flags used during bootstrap for
3187         target libraries.
3188                                 
3189 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3191         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3192         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3193         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3194         insn constraint.
3195         (smin<mode>3): Ditto from similar patterns.
3196         (smax<mode>3): Ditto.
3197         (*ieee_smin<mode>3): Ditto.
3198         (*ieee_smax<mode>3): Ditto.
3199         * config/i386/sse.md (sse): New mode attribute.
3200         (mov<mode>): Macroize expander from movv4sf and movv2df using
3201         SSEMODEF2P mode iterator.
3202         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3203         SSE_VEC_FLOAT_MODE_P as insn constraint.
3204         (storent<mode>): Ditto.
3205         (storent<mode>): Macroize expander from storentsf and storentdf using
3206         MODEF mode iterator.
3207         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3208         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3209         (abs<mode>2): Ditto from similar patterns.
3210         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3211         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3212         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3213         (<sse>_vmsqrt<mode>2): Ditto.
3214         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3215         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3216         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3217         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3218         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3219         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3220         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3221         insn constraint.
3222         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3223         iterator and SSE_FLOAT_MODE_P as insn constraint.
3224         (<sse>_ucomi): Ditto from similar patterns.
3225         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3226         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3227         SSE_VEC_FLOAT_MODE_P as insn constraint.
3228         (vcond<mode>): Ditto from similar patterns.
3229         (and<mode>3, *and<mode>3): Ditto.
3230         (<sse>_nand<mode>3): Ditto.
3231         (ior<mode>3, *ior<mode>3): Ditto.
3232         (xor<mode>3, *xor<mode>3): Ditto.
3233         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3234         iterator and SSE_FLOAT_MODE_P as insn constraint.
3235         (*nand<mode>3): Ditto from similar patterns.
3236         (*ior<mode>3): Ditto.
3237         (*xor<mode>3): Ditto.
3239 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3241         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3242         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3243         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3245 2008-02-19  Jan Hubicka  <jh@suse.cz>
3247         * predict.c (tree_bb_level_predictions): Remove variable next
3248         mistakely introduced by previous commit.
3250 2008-02-19  Jan Hubicka  <jh@suse.cz>
3252         * predict.c (predict_paths_leading_to): Rewrite.
3253         (predict_paths_for_bb): New.
3254         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3256 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3258         PR bootstrap/35218
3259         * Makefile.in (build_file_translate): New.
3260         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3261         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3262         * configure.ac (build_file_translate): Substitute it.
3263         * configure: Regenerate.
3265 2008-02-19  Jan Hubicka  <jh@suse.cz>
3267         PR rtl-optimization/34408
3268         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3269         invalid sharing.
3271 2008-02-19  Jan Hubicka  <jh@suse.cz>
3273         PR middle-end/28779
3274         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3275         call_expr.
3277 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3279         PR Ada/35186
3280         * config/i386/i386-modes.def: Revert the last DI alignment
3281         change until Ada people can look into it.
3283 2008-02-19  Nick Clifton  <nickc@redhat.com>
3285         * opts.c (print_specific_help): Fix typo in --help text.
3287 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3289         PR target/35239
3290         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3291         32-bit inline asm without asm alternatives for host GCC < 3.0.
3293 2008-02-19  Richard Guenther  <rguenther@suse.de>
3295         PR tree-optimization/34989
3296         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3297         Allow propagation to INDIRECT_REF if we can simplify only.
3299 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3301         * c-common.c (warn_for_collisions_1): Use appropriate option when
3302         warning.
3304 2008-02-19  Nick Clifton  <nickc@redhat.com>
3306         PR other/31349
3307         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3308         (handle_options): Fix indentation.
3309         (print_filtered_help): If no language-specific options were
3310         displayed tell the user how to list all the options supported by
3311         the language's front-end.
3312         (print_specific_help): Fix indentation and remove duplicate line.
3313         (common_handle_option): Handle the -v option.
3314         For --help enable the display of undocumented options if the -v
3315         switch has been included on the command line.
3316         For --help= check for overlaps in the arguments between the option
3317         classes and the language names and issue a warning when they
3318         cannot be disambiguated.
3319         * c.opt (v): Pass on to the common option handler.
3321 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3323         * modulo-sched.c (sms_schedule): Change dump message when
3324         create_ddg function fails.
3325         (try_scheduling_node_in_cycle): Rename row to cycle.
3326         (print_partial_schedule): Rename CYCLE to ROW.
3328 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3329             Zdenek Dvorak  <ook@ucw.cz>
3331         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3333 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3335         PR target/33555
3336         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3337         (*x86_movdicc_0_m1_se): Ditto.
3339 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3341         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3342         (CMPtype): Define as __gcc_CMPtype.
3343         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3344         (CMPtype): Define as __gcc_CMPtype.
3346 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3348         Support valgrind 3.3 for --enable-checking=valgrind.
3349         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3350         here.
3351         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3352         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3353         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3354         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3355         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3356         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3357         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3358         respectively.
3359         * ggc-zone.c: Similar.
3360         * ggc-page.c: Similar.
3362 2008-02-19  Paul Brook  <paul@codesourcery.com>
3364         PR target/35071
3365         * config/arm/ieee754-df.S: Fix do_it typo.
3366         * config/arm/ieee754-sf.S: Fix do_it typo.
3368 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3370         PR target/35189
3371         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3372         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3373         (OPTION_MASK_ISA_SSE_SET): Likewise.
3374         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3375         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3376         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3377         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3378         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3379         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3380         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3381         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3382         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3383         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3384         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3385         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3386         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3387         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3388         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3389         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3390         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3391         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3392         (OPTION_MASK_ISA_SSE4): Removed.
3393         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3394         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3395         (override_options): Don't turn on implied SSE/MMX bits in
3396         ix86_isa_flags.
3398 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3400         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3401         32bit host.
3403 2008-02-18  Joey Ye  <joey.ye@intel.com>
3405         PR middle-end/34921
3406         * tree-nested.c (insert_field_into_struct): Set type alignment
3407         to field alignment if the former is less than the latter.
3409 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3411         * BASE-VER: Set to 4.4.0.
3413 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3415         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3416         * doc/cfg.texi: Likewise.
3417         * doc/extend.texi: Likewise.
3418         * doc/gty.texi: Likewise.
3419         * doc/invoke.texi: Likewise.
3420         * doc/loop.texi: Likewise.
3421         * doc/md.texi: Likewise.
3422         * doc/passes.texi: Likewise.
3423         * doc/rtl.texi: Likewise.
3424         * doc/sourcebuild.texi: Likewise.
3425         * doc/tm.texi: Likewise.
3426         * doc/tree-ssa.texi: Likewise.
3428 2008-02-17  Richard Guenther  <rguenther@suse.de>
3430         PR middle-end/35227
3431         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3432         without default definition.
3434 2008-02-17  Richard Guenther  <rguenther@suse.de>
3436         PR tree-optimization/35231
3437         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3438         if A | B != 1.
3440 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3442         Revert:
3443         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3444         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3445         libgcc_cmp_return mode.
3447 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3449         PR c/28368
3450         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3452 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3454         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3455         multilibs.
3457 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3459         * doc/c-tree.texi: Use `@.' where appropriate.
3460         * doc/extend.texi: Likewise.
3461         * doc/install.texi: Likewise.
3462         * doc/invoke.texi: Likewise.
3463         * doc/loop.texi: Likewise.
3464         * doc/makefile.texi: Likewise.
3465         * doc/md.texi: Likewise.
3466         * doc/passes.texi: Likewise.
3467         * doc/standards.texi: Likewise.
3468         * doc/tm.texi: Likewise.
3470 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3472         PR middle-end/35196
3473         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3474         in entry_bb.
3475         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3476         rather than in entry_bb.
3478 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3480         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3481         libgcc_cmp_return mode.
3483 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3485         PR middle-end/35130
3486         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3487         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3489 2008-02-15  Richard Guenther  <rguenther@suse.de>
3490             Zdenek Dvorak  <ook@ucw.cz>
3492         PR tree-optimization/35164
3493         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3494         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3495         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3496         Only propagate addresses which do not have abnormal SSA_NAMEs
3497         in their operands.
3499 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3501         PR target/35088
3502         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3504 2008-02-15  Jan Hubicka  <jh@suse.cz>
3506         PR middle-end/35149
3507         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3509 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3511         PR middle-end/34621
3512         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3513         when calculating alignment_pad.
3515 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3517         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3518         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3519         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3520         and STACK_BOUNDARY define.
3522 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3524         PR preprocessor/35061
3525         * c-pragma.c (handle_pragma_pop_macro): Check that
3526         pushed_macro_table has been allocated.
3528 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3530         PR middle-end/35136
3531         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3532         (force_gimple_operand): Likewise.
3533         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3534         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3535         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3536         (find_interesting_uses_address): Check addressability and alignment
3537         of the base expression only after substituting bases of IVs into it.
3539 2008-02-14  Michael Matz  <matz@suse.de>
3541         PR target/34930
3542         * function.c (instantiate_virtual_regs_in_insn): Reload address
3543         before falling back to reloading the whole operand.
3545 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3547         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3548         before the first section switch note.
3550 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3552         * doc/bugreport.texi: Update copyright years.
3553         * doc/c-tree.texi: Likewise.
3554         * doc/cfg.texi: Likewise.
3555         * doc/cpp.texi: Likewise.
3556         * doc/cppinternals.texi: Likewise.
3557         * doc/fragments.texi: Likewise.
3558         * doc/frontends.texi: Likewise.
3559         * doc/gcc.texi: Likewise.
3560         * doc/gty.texi: Likewise.
3561         * doc/hostconfig.texi: Likewise.
3562         * doc/implement-c.texi: Likewise.
3563         * doc/libgcc.texi: Likewise.
3564         * doc/loop.texi: Likewise.
3565         * doc/makefile.texi: Likewise.
3566         * doc/options.texi: Likewise.
3567         * doc/passes.texi: Likewise.
3568         * doc/rtl.texi: Likewise.
3569         * doc/sourcebuild.texi: Likewise.
3570         * doc/standards.texi: Likewise.
3571         * doc/tree-ssa.texi: Likewise.
3572         * doc/trouble.texi: Likewise.
3574         * doc/extend.texi: Use @: or add comma where appropriate.
3575         * doc/invoke.texi: Likewise.
3576         * doc/tm.texi: Likewise.
3578 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3580         PR target/34393
3581         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3582         to a reg.
3584 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3586         * doc/md.texi (clz, ctz): Add reference.
3587         * doc/rtl.texi (clz, ctz): Likewise.
3589 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3591         PR other/35148
3592         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3593         srcdir.
3595 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3597         * config/s390/s390.c (struct constant_pool): New field
3598         emit_pool_after added.
3599         (s390_mainpool_start): Set the emit_pool_after flag according
3600         to the section switch notes.
3601         (s390_mainpool_finish): Consider emit_pool_after when emitting
3602         the literal pool at the end of the function.
3603         (s390_chunkify_start): Force literal pool splits at section
3604         switch notes.
3606 2008-02-13  Michael Matz  <matz@suse.de>
3608         PR debug/35065
3609         * var-tracking.c (clobber_variable_part): Correctly traverse the
3610         list.
3612 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3614         PR 29673
3615         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3616         Add -fdump-ipa-inline.
3617         * tree-dump.c (dump_files): Remove tree-inlined dump.
3618         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3619         
3620 2008-02-12  Richard Guenther  <rguenther@suse.de>
3622         PR tree-optimization/35171
3623         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3624         default defs.
3626 2008-02-12  Richard Guenther  <rguenther@suse.de>
3628         PR middle-end/35163
3629         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3630         value-preserving mode.  Disallow final truncation.
3632 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3634         PR middle-end/35136
3635         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3636         code from here to...
3637         (force_gimple_operand): ...here.
3639 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3641         PR c++/35144
3642         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3643         non-compatible pointers.
3644         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3645         different FIELD_DECLs, try harder by comparing field offsets, sizes
3646         and types.
3648         PR inline-asm/35160
3649         * function.c (match_asm_constraints_1): Don't replace the same input
3650         multiple times.
3652 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3654         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3655         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3656         (expand_epilogue): Restore RAMPZ register.
3657         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3659 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3661         * config/i386/cygwin.asm: (__alloca): Correct calling
3662         convention and alignment.
3663         (__chkstk): Force 8 byte stack alignment.
3665 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3666             Richard Guenther  <rguenther@suse.de>
3668         PR tree-optimization/33992
3669         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3670         the zero we compare against.
3672 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3674         PR libfortran/35063
3675         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3676         to CloseHandle after unlocking to prevent accumulation of handle
3677         count.
3679 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3681         PR middle_end/34150
3682         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3683         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3684         and update LABEL_NUSES during and after reload.
3686 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3688         PR middle-end/34627
3689         * combine.c (simplify_if_then_else): Make sure the comparison is
3690         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3692 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3694         PR bootstrap/35051
3695         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3696         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3697         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3698         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3699         * tree.h (get_type_static_bounds): Likewise.
3701 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3703         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3704         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3705         Make -Wfoo language annotations match what the compiler outputs.
3707 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3709         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3710         intrinsics spu_convts, spu_convtu, spu_convtf.
3711         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3713 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3715         * doc/extend.texi (Function Attributes) <noinline>: Mention
3716         asm ("") as method to keep calls.
3718 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3720         PR other/32754
3721         * doc/options.texi (Options): Replace references to opts.sh with
3722         optc-gen.awk.
3723         * opts-common.c: Likewise.
3724         * optc-gen.awk: Likewise.
3725         
3726 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3728         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3730 2008-02-07  Richard Henderson  <rth@redhat.com>
3732         PR rtl-opt/33410
3733         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3734         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3735         funny mode.
3737 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3739         PR tree-optimization/35085
3740         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3741         for operand entry oe2 in addition to operand entry oe3 in order to
3742         expose more opportunities for vectorizer sum reduction.
3744 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3746         PR other/35107
3747         * Makefile.in (LIBS): Remove $(GMPLIBS).
3748         (cc1-dummy, cc1): Add $(GMPLIBS).
3750 2008-02-06  Jan Hubicka  <jh@suse.cz>
3752         PR target/23322
3753         * i386.md (moddf_integer): Do not produce partial memory stalls for
3754         targets where it hurts.
3756 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3758         PR target/35083
3759         * optabs.c (expand_float): Do not check for decimal modes when
3760         expanding unsigned integer through signed conversion.
3762 2008-02-06  Nick Clifton  <nickc@redhat.com>
3764         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3765         inside the clobber with a match_operand and duplicated operand
3766         number in the constraint.
3767         (ineqbranchsi): Delete redundant comment.
3769 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3771         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3772         builtin_define ("__USE_INIT_FINI__").
3773         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3774         -msx multilibs.
3775         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3777 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3779         PR documentation/30330
3780         * doc/invoke.texi (C++ Dialect Options)
3781         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3782         For each warning option -Wfoo that allows -Wno-foo, ensure both
3783         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3784         entry of -Wswitch-default, index -Wnormalized= including the
3785         `=', and -Wlarger-than-@var{len} including @var{len}.
3787 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3789         * config/i386/i386.md (floatunssisf2): Use
3790         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3791         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3792         Macroize expander using MODEF mode iterator.
3794 2008-02-05  Diego Novillo  <dnovillo@google.com>
3796         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3798         PR 33738
3799         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3801 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3803         PR other/35070
3804         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3806 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3808         PR target/35084
3809         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3810         to indicate if a message should be generated.
3811         (init_cumulative_args): Updated.
3812         (function_value_32): Likewise.
3814 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3816         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3818 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3820         PR target/35083
3821         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3822         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3824 2008-02-04  Diego Novillo  <dnovillo@google.com>
3826         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3828         PR 33738
3829         * tree-vrp.c (vrp_evaluate_conditional): With
3830         -Wtype-limits, emit a warning when comparing against a
3831         constant outside the natural range of OP0's type.
3833 2008-02-04  Richard Guenther  <rguenther@suse.de>
3835         PR middle-end/33631
3836         * expr.c (count_type_elements): Give for unions instead of
3837         guessing.
3839 2008-02-04  Richard Guenther  <rguenther@suse.de>
3841         PR middle-end/35043
3842         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3843         to TYPE_DOMAINs base type instead of using bitsizetype here.
3845 2008-02-03  Jason Merrill  <jason@redhat.com>
3847         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3849 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3851         PR other/29972
3852         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3853         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3854         (RS/6000 and PowerPC Options): Fix typos and markup.
3855         * doc/passes.texi (Tree-SSA passes): Likewise.
3857 2008-02-02  Michael Matz  <matz@suse.de>
3859         PR target/35045
3860         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3861         from record_last_reg_set_info.
3862         (record_last_reg_set_info): Take an RTX argument, iterate over all
3863         constituent hardregs.
3864         (record_last_set_info, record_opr_changes): Change calls to
3865         new signature or to record_last_reg_set_info_regno.
3867 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3869         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3871 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3873         PR rtl-optimization/34773
3874         * reg-notes.def (EQUAL): Mention significance of combination of
3875         REG_EQUAL and REG_RETVAL.
3876         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3877         insn that has a REG_RETVAL.
3879 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3881         PR bootstrap/33781
3882         * configure.ac (--enable-fixed-point): Disable unless explicitly
3883         requested on IRIX.
3884         * configure: Regenerate.
3886 2008-02-01  Richard Guenther  <rguenther@suse.de>
3888         PR other/35042
3889         * invoke.texi (-finline-limit): Remove no longer true parts
3890         of the documentation.  Note that there is no default value.
3892 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3893             Mark Mitchell  <mark@codesourcery.com>
3894             Ben Elliston  <bje@au.ibm.com>
3896         PR c/29326
3897         * doc/extend.texi (Other Builtins): Document.
3899 2008-01-31  Tom Browder <tom.browder@gmail.com>
3901         * doc/c-tree.texi (Types): Fix grammar.
3902         (Expression trees): Ditto.
3903         * doc/passes.texi (Tree-SSA passes): Ditto.
3904         
3905         * doc/configterms.texi (Configure Terms): Fix typo.
3906         * doc/cpp.texi (Common Predefined Macros): Ditto.
3907         * doc/md.texi (Machine Constraints): Ditto.
3908         
3909         * doc/makefile.texi (Makefile): Add comma.
3911 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3912             Gerald Pfeifer  <gerald@pfeifer.com>
3913         
3914         * doc/sourcebuild.texi (Front End): Remove references to CVS
3915         and CVSROOT/modules.
3916         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3917         (Back End): Remove reference to CVS.
3919 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3921         PR target/34900
3922         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3923         comment from...
3924         (mips16_gp_pseudo_reg): ...here.
3925         * config/mips/mips.md (load_const_gp): Replace with...
3926         (load_const_gp_<mode>): ...this :P-based insn.
3928 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3930         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3931         options. Minor fixes.
3932         (-std): Move reference to standards closer to where language
3933         standards are first mentioned.
3934         
3935 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3937         PR rtl-optimization/34995
3938         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3939         parameter and return a bool.  If the rtx parameter is nonnull,
3940         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3941         (find_reloads): Update call accordingly.  Pass the new operand
3942         if it needed no address reloads, otherwise pass null.
3944 2008-01-30  Richard Henderson  <rth@redhat.com>
3946         PR c/34993
3947         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3948         for unbounded arrays.
3950 2008-01-30  Silvius Rus  <rus@google.com>
3952         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3954 2008-01-30  Jan Hubicka  <jh@suse.cz>
3956         PR target/34982
3957         * i386.c (init_cumulative_args): Use real function declaration when
3958         calling locally.
3960 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3962         PR rtl-optimization/34998
3963         * global.c (build_insn_chain): Treat non-subreg_lowpart
3964         SUBREGs of pseudos as clobbering all the words covered by the
3965         SUBREG, not just all the bytes.
3966         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3967         original df_ref rather than an extract parameter.
3968         (global_conflicts): Update call accordingly.
3970 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3972         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3973         the overflow check to make it easier to read.
3974         (__fixtfdi): Change the type of the ll member in union
3975         long_double to UDItype_x.
3977 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3979         PR middle-end/34969
3980         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3981         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3982         * tree-inline.c (fold_marked_statements): Call
3983         cgraph_update_edges_for_call_stmt if folding a call statement.
3984         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3985         debug_generic_stmt calls, reset it back afterwards.
3987         PR c/35017
3988         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3989         static decls.
3990         * c-typeck.c (build_external_ref): Don't pedwarn about
3991         static vars in current function's scope.
3993 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3995         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3997 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3999         PR c/35002
4000         * ipa-struct-reorg.c: Fix spelling.
4001         * params.def: Ditto.
4003 2008-01-29  Richard Guenther  <rguenther@suse.de>
4005         PR middle-end/35006
4006         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4007         field.
4008         * tree-inline.c (remap_type): Increment remapping_type_depth
4009         around remapping types.
4010         (copy_body_r): Only add referenced variables if they are referenced
4011         from code, not types.
4013 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4015         PR c++/34055
4016         PR c++/34103
4017         PR c++/34219
4018         PR c++/34606
4019         PR c++/34753
4020         PR c++/34754
4021         PR c++/34755
4022         PR c++/34919
4023         PR c++/34961
4024         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4025         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4027 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4029         PR target/34412
4030         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4031         pointer for tiny stack.
4033 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4035         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4037 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4039         * config/vx-common.h: Fix typo in comment.
4041 2008-01-28  Ian Lance Taylor  <iant@google.com>
4043         PR c++/34862
4044         PR c++/33407
4045         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4046         coalesce pointers if they have different DECL_NO_TBAA_P values.
4047         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4048         between variables with different DECL_NO_TBAA_P values.
4050 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4052         PR 31535
4053         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4054         are not legitimate small data references on SPE targets.
4056 2008-01-28  David Daney  <ddaney@avtrex.com>
4058         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4060 2008-01-28  David Daney  <ddaney@avtrex.com>
4062         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4064 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4066         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4067         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4068         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4069         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4070         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4071         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4072         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4073         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4075 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4077         * basic-block.h (condjump_equiv_p): Fix comment.
4079 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4081         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4082         print_generic_stmt_indented): Fix comment.
4084 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4086         * configure.ac (__stack_chk_fail): Add detecion for availability
4087         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4088         * configure: Regenerate.
4090 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4092         PR middle-end/34688
4093         * final.c (output_addr_const): Handle TRUNCATE.
4095 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4097         PR target/34711
4098         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4099         (zero_cost, infinite_cost): New constants.
4100         (struct cost_pair): Change type of cost to comp_cost.
4101         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4102         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4103         New functions.
4104         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4105         split_address_cost, ptr_difference_cost, difference_cost,
4106         get_computation_cost_at, get_computation_cost,
4107         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4108         determine_use_iv_cost_condition, determine_use_iv_costs,
4109         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4110         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4111         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4112         Change type of cost to comp_cost.
4113         (determine_iv_cost): Increase cost of non-original ivs, instead
4114         of decreasing the cost of original ones.
4115         (get_address_cost): Indicate the complexity of the addressing mode 
4116         in comp_cost.
4117         (try_add_cand_for): Prefer using ivs not specific to some object.
4118         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4120 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4121             Janis Johnson  <janis187@us.ibm.com>
4123         PR target/34814
4124         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4125         (TARGET_INSTANTIATE_DECLS): Likewise.
4126         * target.h (expand_to_rtl_hook): New target hook.
4127         (instantiate_decls): Likewise.
4128         * function.c (instantiate_decl): Make non-static.  Rename to...
4129         (instantiate_decl_rtl): ... this.
4130         (instantiate_expr): Use instantiate_decl_rtl.
4131         (instantiate_decls_1): Likewise.
4132         (instantiate_decls): Likewise.
4133         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4134         * function.h (instantiate_decl_rtl): Add prototype.
4135         * cfgexpand.c (target.h): New include.
4136         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4137         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4138         (TARGET_INSTANTIATE_DECLS): Likewise.
4139         (TARGET_INITIALIZER): New target hooks added.
4140         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4141         New prototype.
4142         * config/rs6000/rs6000.c (tree-flow.h): New include.
4143         (machine_function): Add sdmode_stack_slot field.
4144         (rs6000_alloc_sdmode_stack_slot): New function.
4145         (rs6000_instantiate_decls): Likewise.
4146         (rs6000_secondary_memory_needed_rtx): Likewise.
4147         (rs6000_check_sdmode): Likewise.
4148         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4149         (TARGET_INSTANTIATE_DECLS): Likewise.
4150         (rs6000_hard_regno_mode_ok): Allow SDmode.
4151         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4152         (rs6000_emit_move): Handle SDmode.
4153         (function_arg_advance): Likewise.
4154         (function_arg): Likewise.
4155         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4156         SDmode var args for 32-bit compiles.
4157         (rs6000_secondary_reload_class): Handle SDmode.
4158         (rs6000_output_function_epilogue): Likewise.
4159         (rs6000_function_value): Simplify if statement.
4160         (rs6000_libcall_value): Likewise.
4161         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4162         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4163         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4164         (movsd_hardfloat): New define_insn.
4165         (movsd_softfloat): Likewise.
4166         (movsd_store): Likewise.
4167         (movsd_load): Likewise.
4168         (extendsddd2): Likewise.
4169         (extendsdtd2): Likewise.
4170         (truncddsd2): Likewise.
4171         (movdd_hardfloat64): Fixup comment.
4172         (UNSPEC_MOVSD_LOAD): New constant.
4173         (UNSPEC_MOVSD_STORE): Likewise.
4175 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4177         PR c++/34965
4178         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4179         TRUTH_XOR_EXPR.
4180         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4181         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4182         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4183         and TRUTH_XOR_EXPR.
4185 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4187         PR target/34794
4188         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4189         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4190         __LONGDOUBLE128 too.
4191         * config/rs6000/aix61.h: New file.
4193 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4195         PR rtl-optimization/34959
4196         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4197         popcount and parity rtxes the same mode as their operand.
4198         Truncate or extend the result to the return value's mode
4199         if necessary.
4201 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4203         PR target/34981
4204         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4205         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4206         to GOT_VERSION_REGNUM.
4207         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4208         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4209         * config/mips/mips.c (mips_emit_call_insn): New function.
4210         (mips_call_tls_get_addr): Call mips_expand_call directly.
4211         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4212         emit_call_insn.
4213         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4214         (mips_expand_call): Update the call to mips16_build_call_stub
4215         accordingly and a remove redundant condition.  Assert that MIPS16
4216         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4217         the call insn.
4218         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4219         TARGET_USE_GOT.
4220         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4221         (mips_avoid_hazard): Remove hazard_set handling.
4222         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4223         (UNSPEC_RESTORE_GP): ...this.
4224         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4225         (FAKE_CALL_REGNO): Rename to...
4226         (GOT_VERSION_REGNUM): ...this.
4227         (type): Add "ghost" value.  Add an associated insn reservation.
4228         (hazard_set): Remove.
4229         (exception_receiver): Rename to...
4230         (restore_gp): ...this and update the unspec identifier accordingly.
4231         (exception_receiver, nonlocal_got_receiver): New expanders.
4232         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4233         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4234         (set_got_version, update_got_version): New patterns.
4236 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4238         PR target/34970
4239         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4241 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4243         PR other/31955
4244         * doc/install.texi2html: Generate gcc-vers.texi.
4246 2008-01-25  DJ Delorie  <dj@redhat.com>
4248         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4250 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4252         * config/c4x: Remove directory.
4253         * config.gcc (crx-*, mt-*): Mark obsolete.
4254         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4255         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4256         sh-*-rtemscoff*): Remove cases.
4257         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4258         * real.c (encode_c4x_single, decode_c4x_single,
4259         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4260         c4x_extended_format): Remove.
4261         * real.h (c4x_single_format, c4x_extended_format): Remove.
4262         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4263         on C4x.
4264         (Pragmas): Remove comment about c4x pragmas.
4265         * doc/install.texi (c4x): Remove target-specific instructions.
4266         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4267         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4268         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4269         refer to C4x source files as examples.
4270         (C4X_FLOAT_FORMAT): Remove documentation.
4272 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4274         * config/bfin/bfin.c (override_options): Reorder tests so that
4275         flag_pic gets enabled for -msep-data.
4277 2008-01-25  Richard Guenther  <rguenther@suse.de>
4279         PR middle-end/32244
4280         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4281         to its bitfield precision if required.
4283 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4285         PR middle-end/33880
4286         * tree-nested.c (walk_omp_for): New function.
4287         (convert_nonlocal_reference, convert_local_reference): Call
4288         walk_omp_for on OMP_FOR.
4289         (convert_call_expr): Call walk_body on OMP_FOR's
4290         OMP_FOR_PRE_INIT_BODY.
4292 2008-01-25  Richard Guenther  <rguenther@suse.de>
4294         PR tree-optimization/34966
4295         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4296         default defs and PHI_NODEs we have to insert after the
4297         defining statement.
4299 2008-01-24  Nick Clifton  <nickc@redhat.com>
4301         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4302         Provide a default definition.
4303         (LIBGCC2_UNITS_PER_WORD): Likewise.
4305         * config/stormy16/stormy16.c: Include df.h for the prototype
4306         for df_regs_ever_live_p.
4307         (xstormy16_expand_builtin_va_start): Convert the stack offset
4308         into a component_ref and then use POINTER_PLUS_EXPR to add it
4309         to the incoming_virtual_args_rtx.
4310         (xstormy16_gimplify_va_arg_expr): Rename to
4311         xstormy16_gimplify_va_arg_expr.
4312         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4313         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4314         xstormy16_gimplify_va_arg_expr.
4315         Fix up some formatting issues.
4317         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4318         Move to predicates.md.
4319         (xs_hi_general_operand): Likewise.
4320         (xs_hi_nonmemory_operand): Likewise.
4321         * config/stormy16/predicates.md:
4322         (xstormy16_carry_plus_operand): New predicate.
4323         (xs_hi_general_operand): New predicate.
4324         (xs_hi_nonmemory_operand): New predicate.
4325         * config/stormy16/stormy16-protos.h:
4326         (xstormy16_carry_plus_operand): Delete prototype.
4327         (xs_hi_general_operand): Likewise.
4328         (xs_hi_nonmemory_operand): Likewise.
4330         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4331         modifiers as they are no longer needed and they can trigger
4332         reload spill failures.
4334         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4335         with a match_operand in order to help reload.
4337         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4338         constraint with 'e' for the 8th alternative as this version of
4339         the mov.w instruction only accepts the lower 8 registers.
4341 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4343         PR target/34856
4344         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4345         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4346         vector elements.
4348 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4350         PR middle-end/33333
4351         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4353 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4355         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4356         New functions.
4357         (remove_structure): Update allocations list before removing structure.
4358         
4359 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4361         * ipa-struct-reorg.c (is_safe_cond_expr, 
4362         create_new_stmts_for_cond_expr): Use integer_zerop function,
4363         that recognize not only zero-pointer, but zero-integer too.
4365 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4367         PR other/22232
4368         * fixproto: Escape "." in sed expression that strips leading "./".
4370 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4372         PR driver/34904
4373         * gcc.c (SWITCH_OK): Removed.
4374         (SWITCH_LIVE): Changed to bit.
4375         (SWITCH_FALSE): Likewise.
4376         (SWITCH_IGNORE): Likewise.
4377         (switchstr): Change live_cond to unsigned int.
4378         (process_command): Replace SWITCH_OK with 0.
4379         (do_self_spec): Likewise.
4380         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4381         (give_switch): Likewise.
4382         (used_arg): Likewise.
4383         (do_spec_1): Set the SWITCH_IGNORE bit.
4384         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4385         bits.  Set the SWITCH_LIVE bit.
4387 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4389         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4391 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4393         PR tree-optimization/34472
4394         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4395         parameter to a "bool *" and set *DATA to false if there is
4396         an unsafe access.  Do not delete the structure here.
4397         (check_cond_exprs): Delete it here instead.
4398         (check_cond_exprs, exclude_cold_structs): Do not increase
4399         I when removing a structure.
4401 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4403         PR target/34856
4404         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4405         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4407 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4409         PR middle-end/34934
4410         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4411         a fixed vector for stack.
4413 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4415         PR c++/25701
4416         * doc/gcc.texi (Software development): Add a direntry for g++.
4417         
4418 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4420         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4421         stale and straggling -fforce-addr comments above.
4423         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4424         define.
4425         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4426         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4428 2008-01-23  Michael Matz  <matz@suse.de>
4430         PR debug/34895
4431         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4432         gen_type_die.
4434 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4436         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4437         malloc result type.
4439 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4441         * config/avr/avr.c (avr_current_arch): New variable.
4442         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4443         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4444         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4445         (avr_override_options): Init 'avr_current_arch'. 
4446         (base_arch_s): Move from here...
4447         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4448         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4449         'mega' to 'have_jmp_call'.
4450         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4451         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4452         macros.
4453         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4454         architectures.
4455         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4456         MULTILIB_MATCHES): (Ditto.).
4458 2008-01-23  Richard Guenther  <rguenther@suse.de>
4460         PR middle-end/31529
4461         * cgraphunit.c (cgraph_reset_node): Always mark the node
4462         not reachable if it is not queued already.
4464 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4466         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4467         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4468         (cputype_selected): New static variable.
4469         (bfin_handle_option): Set it if -mcpu is used.
4470         (override_option): Select default set of workarounds if no cpu type
4471         selected on the command line.
4472         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4474         From  Michael Frysinger  <michael.frysinger@analog.com>
4475         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4476         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4478         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4479         for bf547, bf523, bf524, and bf526.
4480         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4481         bf526.
4482         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4483         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4484         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4485         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4486         * doc/invoke.texi (Blackfin Options): Document that
4487         -mcpu now accept bf547, bf523, bf524, and bf526.
4489 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4491         PR rtl-optimization/34628
4492         * combine.c (try_combine): Stop and undo after the first combination
4493         if an autoincrement side-effect on the first insn has effectively
4494         been lost.
4496 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4498         PR target/34529
4499         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4500         Offset addresses are not valid for Altivec or paired float modes.
4502 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4504         PR c++/34607
4505         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4506         if DECL_INITIAL (decl) is error_mark_node.
4508         PR c++/34914
4509         * c-common.c (handle_vector_size_attribute): Only allow
4510         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4511         the same way as pointer, array etc. types.
4512         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4514         PR c++/34917
4515         * tree.c (build_type_attribute_qual_variant): Call
4516         build_qualified_type if attributes are equal, but quals are not.
4518 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4520         PR 32102
4521         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4522         * flags.h (warn_strict_aliasing): Remove.
4523         (warn_strict_overflow): Remove.
4524         * opts.c (warn_strict_aliasing): Remove.
4525         (warn_strict_overflow): Remove.
4526         * c-opts.c (c_common_handle_option): -Wall only sets
4527         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4528         (c_common_post_options): Give default values to -Wstrict-aliasing
4529         and -Wstrict-overflow if they are uninitialized.
4530         * common.opt (Wstrict-aliasing): Specify Var and Init.
4531         (Wstrict-overflow): Likewise.
4533 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4535         PR rtl-optimization/26854
4536         PR rtl-optimization/34400
4537         PR rtl-optimization/34884
4538         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4539         DF_RD->gen.
4540         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4541         (df_rd_bb_info.expanded_lr_out): Deleted
4542         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4543         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4544         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4545         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4546         Removed code to allocate, initialize or free expanded_lr_out.
4547         (df_rd_bb_local_compute_process_def): Restructured to make more
4548         understandable.
4549         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4550         sets if the sets are being trimmed.
4552 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4554         PR bootstrap/32287
4555         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4556         (as_vers): Likewise.
4557         * configure: Regenerated.
4559 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4561         PR middle-end/33092
4562         * tree-pass.h (pass_build_alias): New pass.
4563         * tree-ssa-alias.c (gate_build_alias): New.
4564         (pass_build_alias): New.
4565         * passes.c (init_optimization_passes): Add pass_build_alias after
4566         pass_create_structure_vars.
4568 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4570         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4571         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4572         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4573         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4574         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4575         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4576         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4577         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4578         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4579         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4580         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4581         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4582         * config/s390/s390.md (FP_ALL): New mode iterator.
4583         (_d): New mode attribute.
4584         ("*signbit<mode>2>"): Changed mode of first operand.
4585         ("isinf<mode>2"): Changed mode of first operand.
4586         ("*TDC_insn"): Adaptation for DFP modes.
4588 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4590         * tree.c (check_qualified_type): Improve function description.
4592 2008-01-21  Jason Merrill  <jason@redhat.com>
4594         PR c++/34196
4595         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4596         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4597         if it is set.
4599 2008-01-21  DJ Delorie  <dj@redhat.com>
4601         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4602         return zero.
4604 2008-01-21  Richard Guenther  <rguenther@suse.de>
4606         PR middle-end/34856
4607         * tree-cfg.c (verify_expr): Allow all invariant expressions
4608         instead of just constant class ones as reference argument.
4609         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4610         like any other constant.
4611         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4613 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4615         * regmove.c (fixup_match_1): Update call crossed frequencies.
4617 2008-01-21  Richard Guenther  <rguenther@suse.de>
4619         PR c/34885
4620         * tree-inline.c (setup_one_parameter): Deal with mismatched
4621         types using a VIEW_CONVERT_EXPR.
4623 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4624             Olga Golovanevsky  <olga@il.ibm.com>
4625         
4626         PR tree-optimization/34701
4627         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4628         when the structure size is not a power of 2.
4630 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4632         * doc/install.texi: Add doc for --enable-checking=df.
4633         
4634 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4636         PR rtl-optimization/34808
4637         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4639 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4641         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4642         input.
4644 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4646         PR rtl-optimization/26854
4647         PR rtl-optimization/34400
4648         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4649         DF_RD->gen.
4650         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4651         (df_rd_bb_info.expanded_lr_out): New.
4652         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4653         * loop_iv.c (iv_analysis_loop_init): Ditto.
4654         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4655         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4656         Added code to allocate, initialize or free expanded_lr_out.
4657         (df_rd_bb_local_compute_process_def): Restructured to make
4658         more understandable.
4659         (df_rd_confluence_n): Add code to do nothing with fake edges and
4660         code to no apply invalidate_by_call sets if the sets are being trimmed.
4661         (df_lr_local_finalize): Renamed to df_lr_finalize.
4662         (df_live_local_finalize): Renamed to df_live_finalize.
4664 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4666         PR target/34831
4667         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4668         deciding whether to use reciprocal instructions.
4670 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4672         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4673         dwarf2out_note_section_used if cold_text_section is NULL.
4675 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4677         PR gcov-profile/34610
4678         * tree-cfg.c (make_edges): Mark both outgoing edges from
4679         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4680         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4681         from OMP_FOR and OMP_CONTINUE outgoing edges.
4683         * tree-profile.c (tree_profiling): Return early if
4684         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4685         at the end.
4686         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4687         from cfun to child_cfun.
4688         * function.h (struct function): Add after_tree_profile bit.
4690 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4692         * config/avr/avr.S (_exit): Disable interrupt.
4694 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4695             Steven Bosscher  <stevenb.gcc@gmail.com>
4697         PR rtl-optimization/26854
4698         PR rtl-optimization/34400
4699         * df-problems.c (df_live_scratch): New scratch bitmap.
4700         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4701         (df_live_reset): Clear the proper bitmaps.
4702         (df_live_bb_local_compute): Only process the artificial defs once
4703         since the order is not important.
4704         (df_live_init): Init the df_live sets only with the variables
4705         found live by df_lr.
4706         (df_live_transfer_function): Use the df_lr sets to prune the
4707         df_live sets as they are being computed.  
4708         (df_live_free): Free df_live_scratch.
4710 2008-01-18  Ian Lance Taylor  <iant@google.com>
4712         * common.opt: Add fmerge-debug-strings.
4713         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4714         flag_merge_debug_strings rather than flag_merge_constants.
4715         * doc/invoke.texi (Option Summary): Mention
4716         -fmerge-debug-strings.
4717         (Debugging Options): Document -fmerge-debug-strings.
4719 2008-01-18  Ian Lance Taylor  <iant@google.com>
4721         PR c++/33407
4722         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4723         (struct tree_function_decl): Add new field operator_new_flag.
4724         * tree-inline.c (expand_call_inline): When inlining a call to
4725         operator new, force the return value to go into a variable, and
4726         set DECL_NO_TBAA_P on that variable.
4727         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4729 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4731         PR debug/34484
4732         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4733         DWARF2_DEBUGGING_INFO.
4734         (dwarf2out_note_section_used): Ditto.  Add prototype.
4735         (have_multiple_function_sections, text_section_used,
4736         cold_text_section_used, *cold_text_sections): Move declarations
4737         before their uses.
4739 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4741         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4742         field and add signal_ra.
4743         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4744         assignments to frame state pc.  Move end of stack check after
4745         MD_FALLBACK_FRAME_STATE_FOR.
4746         (uw_update_context_1): Use frame state signal_regs if set, instead
4747         of checking signal_frame flag.
4748         (uw_update_context): Use frame state signal_ra if set.
4749         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4750         * config/xtensa/linux-unwind.h: New file.
4752 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4754         * modulo-sched.c (get_sched_window): Fix comment typo.
4756 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4758         PR tree-optimization/34648
4759         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4761 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4763         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4764         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4766 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4768         PR rtl-optimization/34400
4769         * df-core.c (df_worklist_dataflow_overeager,
4770         df_worklist_dataflow_doublequeue): New functions.
4771         (df_worklist_dataflow): Two different worklist solvers.
4772         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4773         New param.
4775 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4777         PR testsuite/34821
4778         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4779         and ftree-parallelize-loops.
4781 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4783         PR rtl-optimization/34826
4784         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4786 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4788         * global.c (find_reg): Mark the eh regs as used if necessary.
4789         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4790         * ra.h (struct allocno): no_eh_reg field added.  Changed
4791         no_stack_reg type to bitfield.
4793 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4795         * tree.c (substitute_in_expr): Add missing 'break'.
4797 2008-01-17  Richard Guenther  <rguenther@suse.de>
4799         PR tree-optimization/34825
4800         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4801         x / x as division to handle.
4803 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4805         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4806         "-pthread" is specified.
4807         * pa-hpux11.h (LIB_SPEC): Likewise.
4809 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4810             Peter Bergner  <bergner@vnet.ibm.com>
4812         PR rtl-optimization/33796
4813         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4815 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4817         PR libgfortran/34699
4818         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4819         static links.
4820         * pa-hpux10.h (LINK_SPEC): Likewise.
4821         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4823 2008-01-16  Richard Guenther  <rguenther@suse.de>
4825         PR middle-end/32628
4826         * fold-const.c (fold_convert_const_int_from_int): Do not
4827         set overflow if that occured only because of a sign extension
4828         change when converting from/to a sizetype with the same
4829         precision and signedness.
4831 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4833         PR debug/34249
4834         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4835         location address to the correct place.  Update copyright year.
4837 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4839         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4840         no dependences in the dependence_relations vector.
4842 2008-01-16  Jan Hubicka  <jh@suse.cz>
4844         PR rtl-optimization/31396
4845         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4846         * cfg.c (dump_reg_info): Print it.
4847         * regs.h (struct reg_info_t): add freq_calls_crossed.
4848         (REG_FREQ_CALLS_CROSSED): New macro.
4849         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4850         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4851         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4852         regmove_optimize): Update call crossed frequencies.
4853         * local-alloc.c (struct qty): Add freq_calls_crossed.
4854         (alloc_qty): Copute freq_calls_crossed.
4855         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4856         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4857         * ra.h (struct allocno): Add freq_calls_crossed.
4859 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4861         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4862         libgomp when compiling with ftree-parallelize-loops.
4863         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4865 2008-01-16  Richard Guenther  <rguenther@suse.de>
4867         PR tree-optimization/34769
4868         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4869         * tree.c (int_cst_value): Instead make this function more
4870         permissive in what it accepts as valid input.  Document this
4871         function always sign-extends the value.
4873 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4874             Richard Guenther  <rguenther@suse.de>
4876         PR c/34668
4877         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4878         (gimple_fold_indirect_ref_rhs): ... this.
4879         (gimple_fold_indirect_ref): New function with foldings
4880         that preserve lvalueness.
4881         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4882         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4883         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4884         to fold an INDIRECT_REF, fall back to the old use of
4885         fold_indirect_ref_1.
4887 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4889         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4890         free_conflict_function.
4891         (compute_self_dependence): Same.
4893 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4895         PR debug/34249
4896         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4897         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4898         function global.
4899         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4900         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4901         for DWARF2_UNWIND_INFO targets.
4903 2008-01-16  Richard Guenther  <rguenther@suse.de>
4905         PR c/34768
4906         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4907         type qualifiers for function types.
4909 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4911         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4912         loop_iterator li from previous commit.
4914 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4916         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4918 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4920         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4921         (parallelize_loops): Don't parallelize irreducible components.
4923 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4925         PR c++/24924
4926         * c-opts (c_common_post_options): Do not enable CPP
4927         flag_pedantic_errors by default.
4928         
4929 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4931         PR rtl-optimization/31944
4932         * cse.c (remove_pseudo_from_table): New function.
4933         (merge_equiv_classes): Use above function to remove pseudo-registers.
4934         (invalidate): Likewise.
4936 2008-01-13  Richard Guenther  <rguenther@suse.de>
4938         PR middle-end/34601
4939         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4940         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4942 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4944         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4945         validate_change to unshare the source of the PC set.
4947 2008-01-12  Jan Hubicka  <jh@suse.cz>
4949         PR middle-end/32135
4950         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4951         references above array bounds.  This might trigger bounds checks for
4952         pointers to arrays.
4954 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4956         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4957         new_replaceable_dependencies.
4959 2008-01-12  Doug Kwan  <dougkwan@google.com>
4961         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4962         instead of OPT_Wreturn_type in warning due to ignored return type
4963         qualifiers.
4964         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4965         options included in -Wextra.
4966         * c.opt: New option -Wignored_qualifiers.
4967         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4968         -Wignore_qualifiers.
4969         (-Wignored-qualifiers): Document.
4970         (-Wreturn-type): Remove description of functionality now handled
4971         by -Wignored-qualifiers.
4973 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4975         PR ada/33788
4976         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4977         NOP_EXPR if it is between integral types with the same precision.
4979 2008-01-12  Jan Hubicka  <jh@suse.cz>
4981         PR other/28023
4982         * invoke.texi (max-inline-recursive-depth): Fix default value.
4984 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4986         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4987         correct type.
4989 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4990         
4991         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4992         
4993 2008-01-11  James E. Wilson  <wilson@specifix.com>
4995         PR target/26015
4996         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4998 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5000         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5001         save/restore frame pointer register and don't use 'call-prologues' 
5002         optimization in function with "OS_task" attribute.
5004 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5006         PR middle-end/31309
5007         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5008         when copying to memory.
5010 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5012         PR rtl-optimization/30905
5013         * cfgcleanup.c: Include dce.h
5014         (crossjumps_occured): New global variable.
5015         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5016         If something changed, set crossjumps_occured to true.
5017         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5018         Don't add/remove fake edges to exit here...
5019         (cleanup_cfg): ...but do it here, when crossjumping.
5020         Run a fast DCE when successful crossjumps occured in the latest
5021         iteration of try_optimize_cfg.
5023 2008-01-11  Richard Guenther  <rguenther@suse.de>
5025         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5026         (struct vn_unary_op_s): Likewise.
5027         (vn_reference_insert): Free old reference on hash collision.
5029 2008-01-10  Raksit Ashok  <raksit@google.com>
5031         PR rtl-optimization/27971
5032         * combine.c (find_split_point): Split PLUS expressions which are
5033         inside a MEM rtx, and whose first operand is complex.
5035 2008-01-10  DJ Delorie  <dj@redhat.com>
5037         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5038         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5039         (m32c_hard_regno_ok): Call the underlying function.
5041 2008-01-10  Richard Guenther  <rguenther@suse.de>
5043         PR middle-end/34683
5044         * tree-cfg.c (tree_merge_blocks): Do not go through the
5045         full-blown folding and stmt updating path if we just deal
5046         with virtual operands.
5047         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5048         test for abnormal SSA_NAMEs.
5050 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5052         PR middle-end/34641
5053         * reload.c (push_reload): Add assertions.  All constants from
5054         reg_equiv_constant should have been used for replacing the respective
5055         pseudo earlier.
5056         (find_reloads_address): Invoke find_reloads_address_part for
5057         constant taken from the reg_equiv_constant array.
5059 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5061         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5062         field (valnum) the first in the struct.  Replace bools with
5063         unit bit fields.
5065 2008-01-10  Richard Guenther  <rguenther@suse.de>
5067         PR tree-optimization/34651
5068         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5069         types and ordering for masking and converting.
5071 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5073         PR tree-optimization/34017
5074         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5075         also for PHI_NODE expressions.
5077 2008-01-09  Jan Hubicka  <jh@suse.cz>
5079         PR tree-optimization/34708
5080         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5081         based on number of case labels.
5082         (init_inline_once): Remove switch_cost.
5083         * tree-inline.h (eni_weights_d): Remove switch_cost.
5085 2008-01-09  Richard Guenther  <rguenther@suse.de>
5086         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5088         PR middle-end/30132
5089         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5090         temporary if an rvalue is ok or an lvalue is not required.
5092 2008-01-09  Richard Guenther  <rguenther@suse.de>
5094         PR middle-end/34458
5095         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5096         adjust return type.
5098 2008-01-09  Richard Guenther  <rguenther@suse.de>
5100         PR middle-end/34679
5101         * tree.c (host_integerp): Check for sizetype only if the
5102         type is an integer type.
5104 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5106         PR debug/26364
5107         * opts.c (decode_options): Disable inlining of functions called
5108         once if not in unit-at-a-time mode.
5110 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5112         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5114 2008-01-08  Richard Guenther  <rguenther@suse.de>
5116         PR middle-end/31863
5117         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5118         out early if the result will be unused.
5120 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5122         PR target/34709
5123         Revert:
5125         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5126         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5127         for TARGET_RECIP.       
5128         
5129 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5130         
5131         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5132         for vectorization tuned.
5133         
5134 2008-01-08  Richard Guenther  <rguenther@suse.de>
5136         PR tree-optimization/34683
5137         * tree-ssa-operands.c (operand_build_cmp): Export.
5138         * tree-ssa-operands.h (operand_build_cmp): Declare.
5139         * tree-vn.c (vuses_compare): Remove.
5140         (sort_vuses): Use operand_build_cmp.
5141         (sort_vuses_heap): Likewise.
5142         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5143         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5144         (vdefs_to_vec): Do not sort already sorted VDEFs.
5146 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5148         PR middle-end/34694
5149         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5151 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5153         PR target/34702
5154         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5155         limitations of reciprocal sequences on x86 targets.
5157 2008-01-08  Richard Guenther  <rguenther@suse.de>
5159         PR tree-optimization/34683
5160         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5162 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5164         PR target/34622
5165         * config/darwin.c (darwin_mergeable_string_section): Don't use
5166         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5168 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5170         PR target/34682
5171         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5172         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5173         predicates of op0 and op1 to register_operand.
5174         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5175         expander using X87MODEF mode iterator.  Change predicates of
5176         op0 and op1 to register_operand.
5177         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5178         corresponding patterns and macroize using MODEF macro.  Change
5179         predicates of op0 and op1 to register_operand and remove
5180         "m" constraint. Disparage "r" alternative with "!".
5181         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5182         macroize using X87MODEF macro.  Change predicates of op0 and op1
5183         to register_operand and remove "m" constraint.  Disparage "r"
5184         alternative with "!".
5185         (absneg splitter with memory operands): Remove.
5186         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5187         patterns and macroize using X87MODEF mode iterator.
5188         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5189         Change predicate of op1 to register_operand.
5190         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5191         for memory operands.
5193 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5195         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5197 2008-01-07  Richard Guenther  <rguenther@suse.de>
5199         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5200         fields.
5202 2008-01-07  Richard Guenther  <rguenther@suse.de>
5204         PR tree-optimization/34683
5205         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5206         VOPs of the needed size to save memory.  Use VEC_quick_push
5207         to save compile-time.
5208         (vdefs_to_vec): Likewise.
5210 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5212         * config/spu/spu.md (divdf3): Genetate inline code for double
5213         division.  The implementation doesn't handle INF or NAN, therefore it
5214         only applies when -ffinite-math-only is given.
5216 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5218         PR libstdc++/34680
5219         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5220         * doc/cpp.texi ([Common Predefined Macros]): Document.
5222 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5224         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5225         order to use commutative addition instead of subtraction.
5227 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5228             Mircea Namolaru  <namolaru@il.ibm.com>
5229             Vladimir Yanovsky  <yanov@il.ibm.com>
5230             Revital Eres  <eres@il.ibm.com>
5232         PR tree-optimization/34263
5233         * tree-outof-ssa.c (process_single_block_loop_latch,
5234         contains_tree_r): New functions.
5235         (analyze_edges_for_bb): Call process_single_block_loop_latch
5236         function to empty single-basic-block latch block if possible.
5238 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5240         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5241         for TARGET_RECIP.
5242         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5244 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5246         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5248 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5250         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5252 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5254         PR tree-optimization/34618
5255         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5256         flag from T.
5258 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5260         PR target/34673
5261         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5262         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5263         Update copyright year.
5265         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5266         Update copyright year.
5267         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5268         using NR fixup.
5270 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5272         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5273         edge does not point to current bb before changing need_assert.
5275 2008-01-04  Richard Guenther  <rguenther@suse.de>
5277         PR middle-end/34029
5278         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5279         for verifying purposes if they are is_gimple_min_invariant.
5281 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5283         PR tree-optimization/34448
5284         PR tree-optimization/34465
5285         * gimplify.c (gimplify_init_constructor): Add new parameter
5286         notify_temp_creation.  Use it.
5287         (gimplify_modify_expr_rhs): Take volatiles into account when
5288         optimizing constructors.
5289         Do not optimize constructors if gimplify_init_constructor will dump to
5290         memory.
5291         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5292         * gcc.c-torture/compile/pr34448.c: New.
5294 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5296         PR gcov-profile/34609
5297         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5298         return_slot if result is TREE_ADDRESSABLE.
5300 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5302         * config/mips/mips.md (sqrt_condition): Tweak comment.
5303         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5305 2008-01-03  Tom Tromey  <tromey@redhat.com>
5307         PR c/34457
5308         * c-common.c (c_type_hash): Handle VLAs.
5310 2008-01-03  Jan Hubicka  <jh@suse.cz>
5312         PR tree-optimization/31081
5313         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5314         0 when inlining and not inlining to first basic block.
5315         (remap_decl): When var is initialized to 0, don't set default_def.
5316         (expand_call_inline): Set entry_bb.
5317         * tree-inline.h (copy_body_data): Add entry_bb.
5319 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5321         PR c++/34619
5322         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5323         before returning.
5325         PR tree-optimization/29484
5326         * tree-inline.c (inline_forbidden_p_2): New function.
5327         (inline_forbidden_p): Disallow inlining if some static var
5328         has an address of a local LABEL_DECL in its initializer.
5329         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5330         vs. inlining.
5332 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5334         PR tree-optimization/34635
5335         * tree-data-ref.c (add_other_self_distances): Make sure that the
5336         evolution step is constant.
5338 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5340         PR middle-end/34608
5341         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5343 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5345         * tree-sra.c (scalarize_init): Insert the generate_element_init
5346         statements after the generate_element_zero statements.
5348 2008-01-02  Richard Guenther  <rguenther@suse.de>
5350         PR middle-end/34093
5351         PR middle-end/31976
5352         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5353         for very large number of operands instead of ICEing.
5355 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5357         PR target/34013
5358         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5359         while stack probing.
5361 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5363         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5364         in C++0x mode.
5366 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5368         PR libmudflap/26442
5369         * tree-mudflap.c (mx_register_decls): Guard warning by
5370         !DECL_ARTIFICIAL check.
5372 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5374         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5375         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5376         sse5_perm<mode>): Fix constraints.