Daily bump.
[official-gcc.git] / gcc / ChangeLog
blob44dabe846e6acd65261620d1a84697dd58aab185
1 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
3         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4         New options
5         (fprofile-use): Add var flag_profile_use
6         * coverage.c (coverage_begin_output): Do not open a gcno file for output
7         only if -ftest-coverage is set.
8         Do not add getpwd() to gcda file path.
9         (build_gcov_info): Check the new flag 
10         flag_profile_datafile_relative_path.
11         (coverage_init): Use profile_data_prefix.
12         Read profile counter only if flag_profile_use is set.
13         * opts.c (common_handle_option): New option fprofile-use=,
14         fprofile-dir=, fprofile-generate=.
15         * toplev.c (profile_data_prefix): New variable definition.
16         * toplev.h (profile_data_prefix): New declaration.
17         * doc/invoke.tex (Option Summary, Optimization Options):
18         Add new options.
20 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
22         PR target/35695
23         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
24         * config/ia64/ia64.c (rtx_needs_barrier): Handle
25         UNSPEC_FR_RECIP_APPROX_RES.
26         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
28 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
30         PR c/35750
31         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
33 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
35         PR middle-end/30186
36         * fold-const.c (fold_indirect_ref_1): Support accessing non first
37         element of the vector via a pointer.
39 2008-03-31  Ian Lance Taylor  <iant@google.com>
41         * tlink.c (scan_linker_output): Look for symbol name in single
42         quotes.
44 2008-03-31  Jan Hubicka  <jh@suse.cz>
46         * builtins.c (expand_builtin_setjmp_receiver): Update call of
47         get_arg_pointer_save_area.
48         * expr.c (init_expr): Just clear out rtl.expr.
49         * function.c (free_after_compilation): Clear out whole RTL structure.
50         (get_func_frame_size): Merge into ...
51         (get_frame_size): ... this one.
52         (assign_stack_local_1): Merge into ...
53         (assign_stack_local): ... this one.
54         (expand_function_end): Update call of get_arg_pointer_save_area.
55         (get_art_pointer_save_area): Remove cfun argument.
56         * function.h (emit_status): regno_pointer_align does not need length
57         attribute. Move x_regno_reg_rtx to ...
58         (regno_reg_rtx): ... new global array.
59         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
60         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
61         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
62         (struct varasm_status): Move here from varasm.c
63         (struct rtl_data): New. Move here some fields from struct function.
64         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
65         frame_offset, stack_check_probe_note, arg_pointer_save_area,
66         used_temp_slots avail_temp_slots, temp_slot_level,
67         nonlocal_goto_handler_labels): Update accesstors.
68         (rtl): New global variable.
69         (struct function): Move some fileds to rtl_data.
70         (get_arg_pointer_save_area): Update prototype.
71         * emit-rtl.c (rtl): Declare.
72         (regno_reg_rtx): Declare.
73         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
74         (gen_reg_rtx): Update.
75         (init_virtual_regs): Do not tate emit_status argument.
76         (init_emit): Do not allocate emit.
77         * varasm.c (varasm_statuc): Move to function.h.
78         (n_deferred_constatns): Update accestor.
79         (init_varasm_status): Do not allocate varasm_status.
80         (force_const_mem, get_pool_size, output_constant_pool): Update.
81         * stmt.c (force_label_rtx): Do not use x_ prefixes.
82         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
84 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
86         PR rtl-optimization/35729
87         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
88         references.
90 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
92         PR target/32000
93         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
94         load/store if memory is unaligned.
95         (*movti_rex64): Likewise.
97         * config/i386/predicates.md (misaligned_operand): New.
99 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
101         PR tree-opt/35431
102         * tree-ssa-phiopt.c (conditional_replacement): Return early for
103         complex types.
105 2008-03-31  Jan Beulich  <jbeulich@novell.com>
107         * config/ia64/constraints.md: Add 'j' constraint.
108         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
109         (movdi_internal): Likewise.
111 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
113         PR c/35748
114         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
116 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
118         PR target/35757
119         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
120         proper error message for the third argument on blendpd and
121         blendps.
123         * config/i386/sse.md (blendbits): New.
124         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
126 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
128         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
130 2008-03-30  Richard Guenther  <rguenther@suse.de>
132         PR middle-end/31023
133         * fold-const.c (fold_sign_changed_comparison): Do leave
134         conversions to base-types alone.
136 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
138         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
139         the link register if one altivec register is be saved.
141 2008-03-30  Ben Elliston  <bje@au.ibm.com>
143         * final.c (final_scan_insn): Remove if (0) code.
145 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
147         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
149 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
151         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
152         of V4SFmode to ix86_binary_operator_ok.
154 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
156         * config/i386/i386.c (override_options): Initialize
157         ix86_veclib_handler to ix86_veclibabi_svml when
158         -mveclibabi=svml is used.
159         (ix86_veclibabi_svml): New function for SVML ABI style
160         vectorization support.
161         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
163 2008-03-28  Rafael Espindola  <espindola@google.com>
165         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
166         (tree_binary_nonnegative_warnv_p): Make it public.
167         (tree_single_nonnegative_warnv_p): Make it public.
168         (tree_invalid_nonnegative_warnv_p): Make it public.
169         (tree_unary_nonzero_warnv_p): Make it public.
170         (tree_binary_nonzero_warnv_p): Make it public
171         (tree_single_nonzero_warnv_p): Make it public.
172         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
173         (extract_range_from_binary_expr): Split the expr argument.
174         (extract_range_from_unary_expr): Split the expr argument.
175         (extract_range_from_comparison): Split the expr argument.
176         (extract_range_from_expr): Use the new aux functions.
177         (vrp_evaluate_conditional_warnv): Use
178         vrp_evaluate_conditional_warnv_with_ops.
179         * tree.h (tree_unary_nonzero_warnv_p): Declare.
180         (tree_binary_nonzero_warnv_p): Declare.
181         (tree_single_nonzero_warnv_p): Declare.
182         (tree_expr_nonzero_warnv_p): Declare.
183         (tree_unary_nonnegative_warnv_p): Declare.
184         (tree_binary_nonnegative_warnv_p): Declare.
185         (tree_single_nonnegative_warnv_p): Declare.
186         (tree_invalid_nonnegative_warnv_p): Declare.
188 2008-03-28  Richard Guenther  <rguenther@suse.de>
190         PR tree-optimization/30317
191         PR tree-optimization/30911
192         PR tree-optimization/34793
193         * tree-vrp.c (set_and_canonicalize_value_range): New function.
194         (struct assert_locus_d): New member EXPR.
195         (register_new_assert_for): Add EXPR parameter to support
196         ASSERT_EXPR <name, expr OP limit>.
197         (register_edge_assert_for_1): Adjust callers.
198         (find_assert_locations): Likewise.
199         (process_assert_insertions_for): Build condition from expression.
200         (extract_range_from_assert): Handle ASSERT_EXPRs
201         of the form ASSERT_EXPR <name, expr OP limit>.
202         (register_edge_assert_for_2): New helper registering
203         asserts for comparisons.  Recognize range tests of the form
204         (unsigned)i - CST1 OP CST2.
205         (register_edge_assert_for_1): Use it.
206         (register_edge_assert_for): Likewise.
207         (needs_overflow_infinity): Integer sub-types
208         do not need overflow infinities.
209         (vrp_val_is_max): The extreme values of integer sub-types
210         are those of the base type.
211         (vrp_val_is_min): Likewise.
212         * tree.def (ASSERT_EXPR): Document extra allowed conditional
213         expressions.
215 2008-03-28  Nick Clifton  <nickc@redhat.com>
217         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
218         Return GENERAL_REGS for stack adjustment reloads.
220 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
222         PR target/31334
223         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
224         const_vector when all the vectors are constant.
226 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
228         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
229         comparisons.
230         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
231         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
232         (scc_sf): New.
233         (s<code>_sf): Use new scc_sf attribute for opcode names.
235 2008-03-27  Tom Tromey  <tromey@redhat.com>
237         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
238         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
239         config/spu/t-spu-elf, config/i386/t-interix,
240         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
241         config/i386/x-darwin, config/i386/x-mingw32,
242         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
243         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
244         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
245         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
246         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
247         config/rs6000/x-darwin, config/rs6000/t-rs6000,
248         config/score/t-score-elf, config/arm/t-strongarm-pe,
249         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
250         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
251         Revert automatic dependency patch.
253 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
255         PR target/35657
256         * config/i386/i386.c (ix86_function_arg_boundary): Align
257         decimal floating point to its natural boundary.
259 2008-03-27  Richard Guenther  <rguenther@suse.de>
261         PR middle-end/35716
262         * fold-const.c (fold_comparison): Restrict distinct decl
263         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
264         solely rely on operand_equal_p.
266 2008-03-27  Richard Guenther  <rguenther@suse.de>
268         PR c/32511
269         * c-common.c (handle_weak_attribute): Reject combination of
270         weak and inline.
272 2008-03-27  Richard Guenther  <rguenther@suse.de>
274         PR tree-optimization/32810
275         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
276         conversions from DECL_INITIAL.
277         (fold_const_aggregate_ref): Likewise from constructor elements.
279 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
281         * tree-affine.h (aff_combination_expand): Declare.
282         (get_inner_reference_aff): Likewise.
283         * tree-affine.c (aff_combination_expand): Split out from
284         tree_to_aff_combination_expand.
285         (get_inner_reference_aff): New function.
286         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
287         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
288         (struct lim_aux_data): sm_done field removed.
289         (mem_ref_loc_p, mem_ref_locs_p): New types.
290         (struct mem_ref): Added id, stored, accesses_in_loop,
291         indep_loop, dep_loop, indep_ref, dep_ref fields.
292         Removed is_stored, locs and next fields.
293         (memory_accesses): New variable.
294         (movement_possibility): Do not allow moving statements
295         that store to memory.
296         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
297         New functions.
298         (determine_max_movement): For statements with memory references,
299         find the outermost loop in that the reference is independent.
300         (move_computations_stmt): Mark the virtual operands for renaming.
301         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
302         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
303         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
304         add_vop_ref_mapping, create_vop_ref_mapping_loop,
305         create_vop_ref_mapping, analyze_memory_references,
306         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
307         get_all_locs_in_loop, ref_always_accessed_p,
308         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
309         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
310         store_motion_loop, store_motion): New functions.
311         (struct vop_to_refs_elt): New type.
312         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
313         memref_hash, memref_eq, hoist_memory_references): Rewritten.
314         (schedule_sm): Replaced by...
315         (execute_sm): ... this.
316         (determine_lsm_ref, hoist_memory_references,
317         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
318         find_more_ref_vops, free_mem_ref, free_mem_refs,
319         determine_lsm_loop, determine_lsm): Removed.
320         (tree_ssa_lim_finalize): Free data structures used by store motion.
321         (tree_ssa_lim): Call analyze_memory_references.  Use
322         store_motion instead of determine_lsm.
324 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
326         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
327         rename tmake_file to m68hc11/t-m68hc11.
328         (mcore): Set inhibit_libc to true.
329         * config.host (alpha*-dec-*vms*): Set extra_programs.
330         (interix3*): Don't use host_xmake_file.
331         * configure.ac: Let config.gcc override inhibit_libc.
332         * configure: Regenerate.
334         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
335         * config/t-openbsd-thread: Remove commented out lines.
336         
337         * config/x-interix: Remove.
339         * config/m68hc11/t-m68hc11-gas: Rename to...
340         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
342         * config/mcore/t-mcore: Remove T_CFLAGS.
343         * config/mcore/t-mcore-pe: Likewise.
345 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
347         * configure.ac: Replace custom __GNU_SOURCE test with
348         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
349         * aclocal.m4: Regenerate.
350         * configure: Regenerate.
351         * config.in: Regenerate.
353 2008-03-27  Richard Guenther  <rguenther@suse.de>
355         * fold-const.c (target.h): Include.
356         (fold_comparison): Fold comparison of addresses of decls
357         that bind locally or of constants.  Consolidate address folding code.
358         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
359         results from fold_binary_to_constant.
360         (compare_values_warnv): Likewise.
362 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
364         PR middle-end/35429
365         * fold-const.c (fold_truthop): Check for integeral types when folding
366         a == 0 && b == 0 and a != 0 || b != 0 .
368 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
370         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
372 2008-03-26  Andreas Schwab  <schwab@suse.de>
374         * doc/invoke.texi: Fix use of @item vs. @itemx.
376 2008-03-26  Tom Tromey  <tromey@redhat.com>
378         * Makefile.in (build/gensupport.o, build/print-rtl.o,
379         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
380         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
381         build/gencodes.o, build/genconditions.o, build/genconfig.o,
382         build/genconstants.o, build/genemit.o, build/genextract.o,
383         build/genflags.o, build/genmddeps.o, build/genopinit.o,
384         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
385         options.h.
387 2008-03-26  Richard Guenther  <rguenther@suse.de>
389         Revert
390         2008-03-26  Richard Guenther  <rguenther@suse.de>
392         * fold-const.c (target.h): Include.
393         (fold_comparison): Fold comparison of addresses of two decls
394         that bind locally.  Consolidate address folding code.
396 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
398         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
399         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
400         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
401         dconstsqrt2, dconstthird, dconste and/or dconst10.
402         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
403         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
404         dconstsqrt2, dconste): Delete.
405         (init_emit_once): Likewise.  Simplify initializing dconstm1.
406         Constify variable.
407         * real.c (get_real_const): New.
408         * real.h (dconst3, dconst10, dconstm2, dconstthird,
409         dconstsqrt2, dconste): Delete.
410         (real_value_const, get_real_const): New.
412 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
414         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
416         * config/i386/i386.c (ix86_function_arg_boundary): Check
417         BIGGEST_ALIGNMENT instead of 128.
418         (setup_incoming_varargs_64): Likewise.
420 2008-03-26  Tom Tromey  <tromey@redhat.com>
422         * Makefile.in (DEPFILES): Add missing '/'.
424 2008-03-26  Richard Guenther  <rguenther@suse.de>
426         * fold-const.c (target.h): Include.
427         (fold_comparison): Fold comparison of addresses of two decls
428         that bind locally.  Consolidate address folding code.
430 2008-03-26  Nick Clifton  <nickc@redhat.com>
432         PR target/31232
433         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
434         not allow INT+INT as a legitimate addressing mode.
436 2008-03-26  Richard Guenther  <rguenther@suse.de>
438         * tree-flow.h (widen_bitfield): Remove declaration.
439         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
440         (widen_bitfield): Remove function.
441         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
442         code.
444 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
446         PR target/31558
447         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
448         error_mark_node's.
450 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
452         PR rtl-optimization/35232
453         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
454         (forget_old_reloads_1, forget_marked_reloads): Don't clear
455         reg_reloaded_call_part_clobbered here.
456         (reload_regs_reach_end_p): New function.
457         (reload_reg_rtx_for_input): New variable.
458         (reload_reg_rtx_for_output): Likewise.
459         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
460         when reassigning a pseudo register.  Load reloadreg from 
461         reload_reg_rtx_for_input, moving the mode and register
462         calculation to...
463         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
464         instead of the original when deciding whether an input reload
465         would be a no-op or whether an output reload can be deleted.
466         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
467         when setting up new_spill_reg_store.  Load it from
468         reload_reg_rtx_for_output, moving the mode and register
469         calculation to...
470         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
471         instead of the original when deciding whether an output reload
472         would be a no-op.  Do the same when modifying insn notes.
473         Use rtx_equal_p instead of == to compare the registers.
474         (inherit_piecemeal_p): Take a mode and two register numbers
475         as argument.
476         (emit_reload_insns): Clear new_spill_reg_store for every hard
477         register in the reload register.  Remove spill registers
478         from reg_reloaded_valid before considering whether to record
479         inheritance information for them.  Use reload_reg_rtx_for_output
480         instead of reg_rtx when recording output reloads.  Use
481         reload_reg_rtx_for_input instead of reg_rtx when recording
482         input reloads.  Set or clear reg_reloaded_call_part_clobbered
483         at the same time as setting reg_reloaded_valid.
484         (delete_output_reload): Add a new_reload_reg parameter and use it
485         instead of rld[j].reg_rtx.
486         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
487         calls accordingly.
489 2008-03-25  Tom Tromey  <tromey@redhat.com>
491         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
492         (build/genattr.o): Likewise.
493         (build/genattrtab.o): Likewise.
494         (build/gencodes.o): Likewise.
495         (build/genconfig.o): Likewise.
496         (build/genconstants.o): Likewise.
497         (build/genemit.o): Likewise.
498         (build/genextract.o): Likewise.
499         (build/genflags.o): Likewise.
501 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
502         
503         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
504         instead of size_int for integer types.
505         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
506         to match type of MINUS_EXPR.
507         
508 2008-03-25  Tom Tromey  <tromey@redhat.com>
510         * configure: Rebuilt.
511         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
512         Makefile.
514 2008-03-25  Tom Tromey  <tromey@redhat.com>
516         * config/x-solaris (host-solaris.o): Update.
517         * config/x-linux (host-linux.o): Update.
518         * config/x-hpux (host-hpux.o): Update.
519         * config/x-darwin (host-darwin.o): Update.
520         * config/v850/t-v850e (v850-c.o): Update.
521         * config/v850/t-v850 (v850-c.o): Update.
522         * config/t-vxworks (vxworks.o): Update.
523         * config/t-sol2 (sol2-c.o, sol2.o): Update.
524         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
525         * config/spu/t-spu-elf (spu-c.o): Update.
526         (spu.o): Remove.
527         * config/sh/t-symbian (sh-c.o): Update.
528         (symbian.o): Update.
529         * config/sh/t-sh (sh-c.o): Update.
530         * config/score/t-score-elf (score7.o, score3.o): Update.
531         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
532         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
533         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
534         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
535         (rs6000.o): Remove.
536         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
537         * config/m32c/t-m32c (m32c-pragma.o): Update.
538         * config/ia64/t-ia64 (ia64-c.o): Update.
539         * config/i386/x-mingw32 (host-mingw32.o): Update.
540         * config/i386/x-i386 (driver-i386.o): Update.
541         * config/i386/x-darwin (host-i386-darwin.o): Update.
542         * config/i386/x-cygwin (host-cygwin.o): Update.
543         * config/i386/t-nwld (nwld.o): Update.
544         * config/i386/t-netware (netware.o): Update.
545         * config/i386/t-interix (winnt.o): Update.
546         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
547         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
548         msformat-c.o): Update.
549         * config/bfin/t-bfin-linux (generated_files): Add
550         linux-sysroot-suffix.h.
551         * config/arm/t-wince-pe (pe.o): Update.
552         * config/arm/t-strongarm-pe (pe.o): Update.
553         * config/arm/t-pe (pe.o): Update.
554         * config/arm/t-arm (arm-c.o): Update.
555         * doc/install.texi (Prerequisites): Require make 3.80.
556         * Makefile.in: Remove .o targets.
557         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
558         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
559         (simple_generated_h, simple_generated_c): Move earlier.
560         (generated_files): New variable.
561         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
562         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
563         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
564         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
565         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
566         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
567         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
568         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
569         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
570         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
571         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
572         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
573         (.c.o): Remove.
574         (COMPILE.base, COMPILE): New variables.
575         (%.o): New pattern rule.
576         (ALL_HOST_OBJS): New variable.
577         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
578         (dummy-checksum.o, cc1-checksum.o): Remove.
579         (DRIVER_SHLIB): New variable.
580         (DRIVER_DEFINES): Use it.
581         (gencondmd.c): Move out of build/.
582         (s-conditions): Update.
583         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
584         (ALL_BUILD_OBJS): Likewise.
585         (build/%.o): Use BUILDCOMPILE.
586         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
587         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
588         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
589         build/gencheck.o, build/gencodes.o, build/genconditions.o,
590         build/genconfig.o, build/genconstants.o, build/genemit.o,
591         build/genextract.o, build/genflags.o, build/genmddeps.o,
592         build/genopinit.o, build/genoutput.o, build/genpeep.o,
593         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
594         build/gen-protos.o, build/scan.o, build/fix-header.o,
595         build/scan-decls.o): Simplify.
596         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
597         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
598         prefix.o, toplev.o): Reduce to variable setting.
599         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
600         ($(out_object_file), gcc-options.o): New targets.
601         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
602         * configure: Rebuilt.
603         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
604         * doc/sourcebuild.texi (Front End Directory): Document new variable.
606 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
608         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
609         complain when we hit an error, return ERROR_MARK_NODE.
611 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
613         * config/sh/constraints.md (Pso, Psz): New constraints.
614         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
615         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
617 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
619         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
620         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
622 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
624         * config/sh/sh.md (prefetch): Add condition for SH2A target.
625         (prefetch_sh2a): New.   
627 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
628             Naveen.H.S  <naveen.hs@kpitcummins.com>
630         * config/sh/constraints.md (I28): New constraint.
631         * config/sh/sh.c (broken_move): Add support for movi20s.
632         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
634 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
635             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
636             Naveen.H.S  <naveen.hs@kpitcummins.com>
638         * config/sh/sh.c (SH_ATTRIBUTES): Define.
639         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
640         (print_operand): Handle resbank in %@ operand code.
641         (sh_encode_section_info): New.
642         (push_regs): Add conditions for resbank.
643         (sh_expand_epilogue): Likewise.
644         (sh_insert_attributes): Likewise.
645         (sh_attribute_table): Likewise.
646         (sh_handle_resbank_handler_attribute): New.
647         (sh2a_handle_function_vector_handler_attribute): New.
648         (sh2a_is_function_vector_call): New.
649         (sh2a_get_function_vector_number): New.
650         (sh2a_function_vector_p): New.
651         (sh_cfun_resbank_handler_p): New.
652         * config/sh/sh.md (calli): Emit jsr/n if possible.
653         (calli_tbr_rel): New.
654         (calli_pcrel): Emit jsr/n if possible.
655         (return_i): Emit rts/n if possible.
656         (call_valuei_tbr_rel): New.
657         (call_valuei_pcrel): Add condition for SH2A target.
658         (call_value): Likewise.
659         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
660         (sh2a_get_function_vector_number): Likewise.
661         (sh2a_is_function_vector_call): Likewise.
662         * doc/extend.texi: Document TBR relative addressing of SH2A.
663         (resbank): Add description for SH2A.
665 2008-03-24  Richard Guenther  <rguenther@suse.de>
667         PR c/22371
668         * gimplify.c (gimplify_modify_expr): For frontend type-correct
669         pointer assignments change conversions according to middle-end rules.
670         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
671         * configure.ac: Include type checking in yes.
672         * configure: Regenerate.
674 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
676         * diagnostic.c (diagnostic_count_diagnostic): Delete.
677         (diagnostic_report_diagnostic): Update. Handle ICEs here.
678         
679 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
681         * gthr-vxworks.h (UNUSED): Define.
683 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
685         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
687 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
689         * doc/extend.texi (Function Attributes): Add missing comma in the
690         example of the "alloc_size" attribute.
691         
692 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
694         Revert:
695         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
697         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
698         32bit host.
700         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
702         PR target/35496
703         * stor-layout.c (update_alignment_for_field): Set minimum alignment
704         of the underlying type of a MS bitfield layout to the natural
705         alignment of the type.
707         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
709         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
710         to their natural alignment to avoid store forwarding stalls.
712 2008-03-22  Richard Guenther  <rguenther@suse.de>
714         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
715         For PHI nodes verify the address is invariant.
716         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
717         (get_symbol_constant_value): Use is_gimple_min_invariant.
718         (maybe_fold_stmt_indirect): Likewise.
720 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
722         PR rtl-optimization/33927
723         * Makefile.in (dse.o): Depend on $(TM_P_H).
724         * expr.h (extract_low_bits): Declare.
725         * expmed.c (extract_low_bits): New function.
726         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
727         * dse.c: Include tm_p.h.
728         (find_shift_sequence): Remove the read_reg argument and return the
729         read value.  Emit the instructions instead of returning them.
730         Iterate on new_mode rather than calculating it each time.
731         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
732         source to NEW_MODE and extract_low_bits to convert the shifted
733         value to READ_MODE.
734         (replace_read): Allow the load and store to have different mode
735         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
736         or extraction instructions before trying the replacement.  Update
737         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
739 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
741         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
742         to their natural alignment to avoid store forwarding stalls.
744 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
746         PR target/27946
747         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
748         encouraging but not allowing gprs for input;
749         change the input constraint to !f#r.
750         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
751         gprs for output;
752         change the output constraint to !f#r.
754 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
756         PR target/13958
757         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
758         corresponding post-reload splitters.
759         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
760         when x87 FP math is selected.
761         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
762         New function prototype.
763         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
764         unreachable function to ease macroization of insn patterns.
766 2008-03-21  Martin Jambor  <mjambor@suse.cz>
768         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
769         reference dumps if ddr is NULL or dependence is unknown.
771 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
773         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
774         unsigned extension into account.
775         (ATOMIC_COMPARE_AND_SWAP): Likewise.
776         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
777         Do computations on a scratch register.
779 2008-03-21  Richard Guenther  <rguenther@suse.de>
781         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
782         Use is_gimple_min_invariant instead of TREE_INVARIANT.
783         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
784         * tree-ssa-dom.c (record_equality): Likewise.
785         * tree-inline.c (copy_body_r): Likewise.
786         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
787         TREE_INVARIANT.
789 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
791         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
792         as 'delete_unused' argument.
794 2008-03-20  Richard Guenther  <rguenther@suse.de>
796         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
797         special casing of constant qualifiers.
798         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
799         care about them in general.
800         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
801         regardless of their type.
802         (fold_stmt_r): Forcefully fold *& if we end up with that.
804 2008-03-20  Paul Brook  <paul@codesourcery.com>
806         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
807         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
808         linker flags.
809         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
810         definition.
811         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
812         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
814 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
816         * common.opt (Wmudflap): New option.
817         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
818         (mx_register_decls): Likewise.
819         (mudflap_finish_file): Likewise.
820         * doc/invoke.texi: Document -Wno-mudflap.
822 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
824         * c-format.c (replace_format_name_to_system_name): New.
825         (cmp_attribs): New.
826         (convert_format_name_to_system_name): New.
827         (decode_format_attr): Add use of convert_format_name_to_system_name.
828         (format_types_orig): Add gnu_ prefix to names.
829         (check_format_info_main): Special treating of \0 escaped names for
830         supporting multi-character format specifiers as I32, I64.
831         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
832         (gnu_target_overrides_format_attributes): New.
833         * c-format.h: Add structure target_ovr_attr to hold
834         system specific formatter names.
835         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
836         msformat-c.o file to c_target_objs and cxx_target_objs.
837         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
838         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
839         (TARGET_N_FORMAT_TYPES): New.
840         * config/i386/msformat-c.c: New.
841         * config/i386/t-cygming: Add build rule for msformat-c.o.
842         * doc/extend.texi: Add new format names gnu_* and ms_* and
843         further details.
844         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
846 2008-03-20  Ira Rosen  <irar@il.ibm.com>
848         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
849         optimizations turned on under -O3.
850         (ftree-vectorize): Add that the flag is turned on with -O3.
852 2008-03-20  Ben Elliston  <bje@au.ibm.com>
854         * regmove.c (try_auto_increment): Fix spelling error in comment.
855         * final.c (final_scan_insn): Likewise.
857 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
859         PR target/14552
860         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
861         allocator preferences for "y" and "r" class registers.
862         ("*mov<mode>_internal"): Ditto.
863         ("*movv2sf_internal_rex64"): Ditto.
864         ("*movv2sf_internal"): Ditto.
866 2008-03-19  Michael Matz  <matz@suse.de>
868         PR middle-end/35616
869         * calls.c (expand_call): Check overlap of arguments with call
870         address for sibcalls.
872 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
874         PR target/35496
875         * stor-layout.c (update_alignment_for_field): Set minimum alignment
876         of the underlying type of a MS bitfield layout to the natural
877         alignment of the type.
879 2008-03-19  Jan Hubicka  <jh@suse.cz>
881         PR other/35094
882         * toplev.c (decode_d_option): Handle all CPP flags.
883         * tree-vrp.c: Update tree_pass descriptors.
884         * regrename.c: Update tree_pass descriptors.
885         * fwprop.c: Update tree_pass descriptors.
886         * doc/invoke.texi: Remove documentation of dropped -d? flags.
887         * tree-into-ssa.c: Update tree_pass descriptors.
888         * tree-dump.c: Update tree_pass descriptors.
889         * tree-complex.c: Update tree_pass descriptors.
890         * tree-dump.h: Update tree_pass descriptors.
891         * see.c: Update tree_pass descriptors.
892         * cgraphbuild.c: Update tree_pass descriptors.
893         * tracer.c: Update tree_pass descriptors.
894         * tree-loop-distribution.c: Update tree_pass descriptors.
895         * cgraph.c: Update tree_pass descriptors.
896         * postreload-gcse.c: Update tree_pass descriptors.
897         * postreload.c: Update tree_pass descriptors.
898         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
899         * tree-tailcall.c: Update tree_pass descriptors.
900         * tree-pass.h (tree_opt_pass): Rename to ...
901         (opt_pass) ... this one; add "type" field and remove letter field.
902         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
903         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
904         all_lowering_passes): Update declaration.
905         * ipa-cp.c: Update tree_pass descriptors.
906         * final.c: Update tree_pass descriptors.
907         * omp-low.c: Update tree_pass descriptors.
908         * tree-ssa-dse.c: Update tree_pass descriptors.
909         * ipa-reference.c: Update tree_pass descriptors.
910         * tree-ssa-uncprop.c: Update tree_pass descriptors.
911         * auto-inc-dec.c: Update tree_pass descriptors.
912         * reorg.c: Update tree_pass descriptors.
913         * cgraphunit.c: Update tree_pass descriptors.
914         * tree-ssa-copyrename.c: Update tree_pass descriptors.
915         * tree-ssa-ccp.c: Update tree_pass descriptors.
916         * df-core.c: Update tree_pass descriptors.
917         * mode-switching.c: Update tree_pass descriptors.
918         * tree-nomudflap.c: Update tree_pass descriptors.
919         * modulo-sched.c: Update tree_pass descriptors.
920         * ipa-pure-const.c: Update tree_pass descriptors.
921         * cse.c: Update tree_pass descriptors.
922         * web.c: Update tree_pass descriptors.
923         * tree-stdarg.c: Update tree_pass descriptors.
924         * tree-ssa-math-opts.c: Update tree_pass descriptors.
925         * tree-ssa-dom.c: Update tree_pass descriptors.
926         * tree-nrv.c: Update tree_pass descriptors.
927         * tree-ssa-alias.c: Update tree_pass descriptors.
928         * loop-init.c: Update tree_pass descriptors.
929         * gimple-low.c: Update tree_pass descriptors.
930         * ipa-inline.c: Update tree_pass descriptors.
931         * tree-ssa-sink.c: Update tree_pass descriptors.
932         * global.c: Update tree_pass descriptors.
933         * ifcvt.c: Update tree_pass descriptors.
934         * jump.c: Update tree_pass descriptors.
935         * predict.c: Update tree_pass descriptors.
936         * tree-ssa-loop.c: Update tree_pass descriptors.
937         * recog.c: Update tree_pass descriptors.
938         * dse.c: Update tree_pass descriptors.
939         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
940         * tree-eh.c: Update tree_pass descriptors.
941         * regmove.c: Update tree_pass descriptors.
942         * local-alloc.c
943         * function.c: Update tree_pass descriptors.
944         * tree-vectorizer.c: Update tree_pass descriptors.
945         * gcse.c: Update tree_pass descriptors.
946         * ipa-type-escape.c: Update tree_pass descriptors.
947         * tree-if-conv.c: Update tree_pass descriptors.
948         * init-regs.c: Update tree_pass descriptors.
949         * ipa.c: Update tree_pass descriptors.
950         * tree-ssa-phiopt.c: Update tree_pass descriptors.
951         * rtl-factoring.c: Update tree_pass descriptors.
952         * lower-subreg.c: Update tree_pass descriptors.
953         * bt-load.c: Update tree_pass descriptors.
954         * tree-dfa.c: Update tree_pass descriptors.
955         * except.c: Update tree_pass descriptors.
956         * emit-rtl.c: Update tree_pass descriptors.
957         * cfgexpand.c: Update tree_pass descriptors.
958         * tree-cfgcleanup.c: Update tree_pass descriptors.
959         * cfgcleanup.c: Update tree_pass descriptors.
960         * tree-ssa-pre.c: Update tree_pass descriptors.
961         * tree-sra.c: Update tree_pass descriptors.
962         * tree-mudflap.c: Update tree_pass descriptors.
963         * tree-ssa-copy.c: Update tree_pass descriptors.
964         * cfglayout.c: Update tree_pass descriptors.
965         * tree-ssa-forwprop.c: Update tree_pass descriptors.
966         * tree-ssa-dce.c: Update tree_pass descriptors.
967         * tree-ssa.c: Update tree_pass descriptors.
968         * regclass.c: Update tree_pass descriptors.
969         * integrate.c: Update tree_pass descriptors.
970         * tree-optimize.c: Update tree_pass descriptors.
971         * tree-ssa-phiprop.c: Update tree_pass descriptors.
972         * tree-object-size.c: Update tree_pass descriptors.
973         * combine.c: Update tree_pass descriptors.
974         * tree-outof-ssa.c: Update tree_pass descriptors.
975         * bb-reorder.c: Update tree_pass descriptors.
976         * stack-ptr-mod.c: Update tree_pass descriptors.
977         * var-tracking.c: Update tree_pass descriptors.
978         * tree-profile.c: Update tree_pass descriptors.
979         * tree-vect-generic.c: Update tree_pass descriptors.
980         * reg-stack.c: Update tree_pass descriptors.
981         * sched-rgn.c: Update tree_pass descriptors.
982         * tree-ssa-structalias.c: Update tree_pass descriptors.
983         * tree-cfg.c: Update tree_pass descriptors.
984         * passes.c (current_pass): Update declaration.
985         (finish_optimization_passes): Update.
986         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
987         (register_one_dump_file, register_dump_files_1, next_pass_1):
988         Update arguments.
989         (init_optimization_passes): Update handling of new types.
990         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
991         * ipa-struct-reorg.c: Update tree_pass descriptors.
992         * tree-ssa-reassoc.c: Update tree_pass descriptors.
993         * combine-stack-adj.c: Update tree_pass descriptors.
994         * cfgrtl.c: Update tree_pass descriptors.
995         * dce.c: Update tree_pass descriptors.
996         * tree-ssanames.c: Update tree_pass descriptors.
998 2008-03-19  Richard Guenther  <rguenther@suse.de>
1000         PR middle-end/35609
1001         * tree-ssa.c (walk_data): New structure.
1002         (warn_uninitialized_var): If not always_executed warn with "maybe"
1003         instead of "is".
1004         (execute_early_warn_uninitialized): Compute post-dominators.
1005         Initialize always_executed before processing each basic block.
1007 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1009         PR target/35504
1010         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1011         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1013 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1015         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1017 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1019         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1020         is true.
1021         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1022         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1023         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1024         target after ignore has been set, and move there also the commputation
1025         of subtarget and original_target.
1026         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1027         (LANG_HOOKS_INITIALIZER): Remove it.
1028         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1030 2008-03-18  Richard Guenther  <rguenther@suse.de>
1032         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1033         found an expression with constants, note that in the VN for the lhs.
1034         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1035         fold them to constants if possible.  Run cleanup_cfg if done so.
1036         (execute_pre): Return todo.
1037         (do_pre): Likewise.
1038         (execute_fre): Likewise.
1039         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1040         of constants.
1041         (get_prop_source_stmt): Look through pointer conversions.
1043 2008-03-18  Jan Hubicka  <jh@suse.cz>
1045         * tree-pretty-print.c: Include predict.h.
1046         (dump_generic_node): Dump predictor.
1047         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1048         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1049         * gimple-low.c (lower_stmt): Likewise.
1050         * expr.c (expand_expr_real): Likewise.
1051         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1052         them.
1053         (build_predict_expr, build_predict_expr): New.
1054         * predict.h (predictor_name, build_predict_expr): Update.
1055         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1056         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1057         * predict.def (PRED_CONTINUE): Update hitrate.
1058         * tree.def (PREDICT_EXPR): Define.
1059         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1060         do not handle BIND_EXPR.
1061         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1062         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1063         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1064         operands.
1066 2008-03-18  Michael Matz  <matz@suse.de>
1068         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1070 2008-03-18  Richard Guenther  <rguenther@suse.de>
1072         * tree-gimple.h (is_gimple_invariant_address): Declare.
1073         (is_gimple_constant): Likewise.
1074         * tree-gimple.c (is_gimple_constant): New function.
1075         (is_gimple_invariant_address): Likewise.
1076         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1077         and is_gimple_invariant_address.
1078         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1079         previous change.
1080         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1081         an addressable base.
1083 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1085         PR middle-end/35611
1086         * gimplify.c (gimplify_expr): Gimplify second operand of
1087         OMP_ATOMIC_LOAD.
1089 2008-03-17  Richard Guenther  <rguenther@suse.de>
1091         PR tree-optimization/19637
1092         * fold-const.c (fold_unary): Remove restrictions of removing
1093         intermediate pointer-conversions (P2)(P1)P0.
1094         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1095         conversion to void pointer.
1096         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1098 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1100         PR debug/31510
1101         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1102         emulated thread local variables.
1104 2008-03-16  Richard Guenther  <rguenther@suse.de>
1106         PR middle-end/35607
1107         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1108         expand TREE_INVARIANT operations that are not gimple invariant.
1110 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1112         * doc/extend.texi (Alignment): Say that the ABI controls
1113         the __alignof__ for non-strict-alignment targets rather
1114         than being a recommendation.
1116 2008-03-15  Paul Brook  <paul@codesourcery.com>
1118         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1119         annotations.
1120         (arm_output_fn_unwind): Mark functions that can not be unwound.
1122 2008-03-15  Paul Brook  <paul@codesourcery.com>
1124         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1125         extension instructions.
1127 2008-03-15  Richard Guenther  <rguenther@suse.de>
1129         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1130         and fold constant aggregate refs.
1131         (fold_const_aggregate_ref): Handle string constants
1132         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1133         (evaluate_stmt): Simplify now that ccp_fold folds constant
1134         aggregate refs.
1136 2008-03-15  Paul Brook  <paul@codesourcery.com>
1138         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1139         (extzv): Use gen_extzv_t2.
1140         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1142 2008-03-15  Richard Guenther  <rguenther@suse.de>
1144         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1145         (fold_const_aggregate_ref): Likewise.
1146         (get_value): Return NULL if we don't have any values.
1147         (ccp_finalize): Set const_val to NULL after freeing it.
1148         * tree-flow.h (get_symbol_constant_value): Declare.
1149         (fold_const_aggregate_ref): Likewise.
1150         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1152 2008-03-15  Richard Guenther  <rguenther@suse.de>
1154         PR middle-end/35593
1155         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1156         to not produce negative array indices if not allowed.  Add
1157         parameter to indicate that.
1158         (maybe_fold_offset_to_component_ref): Allow negative array
1159         indices only for the first member of a structure.
1160         (maybe_fold_offset_to_reference): Allow negative array indices.
1161         (maybe_fold_stmt_addition): Likewise.
1163 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1164             Anatoly Sokolov <aesok@post.ru>
1166         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1167         (avr_arch): Add ARCH_AVR6.
1168         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1169         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1170         instead of fixed value 2.
1171         (print_operand_address): Use gs() asm specifier instead of pm().
1172         (avr_assemble_integer): (Ditto.).
1173         (avr_output_addr_vec_elt): (Ditto.).
1174         (print_operand): Handle "!" code.
1175         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1176         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1177         (AVR_HAVE_EIJMP_EICALL): Define.
1178         (AVR_3_BYTE_PC): Redefine.
1179         (AVR_2_BYTE_PC): (Ditto.).
1180         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1181         (LINK_SPEC): Add atmega2560 and atmega2561.
1182         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1183         (crtm2561.o).
1184         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1185         for 3 byte PC devices.
1186         (call_value_insn): (Ditto.).
1187         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1188         (indirect_jump): Use only for for 2 byte PC devices.
1189         (*tablejump): (Ditto.).
1190         (*indirect_jump_avr6): Add insn.
1191         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1192         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1193         instead of ijmp for 3 byte PC devices.
1194         (__tablejump2__): (Ditto.).
1195         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1196         (MULITLIB_DIRNAMES): (Ditto.). 
1197         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1199 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1201         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1202         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1203         ("mmx_psadbw"): Use V1DI mode for operand 0.
1204         * config/i386/i386-modes.def (V1SI): New vector mode.
1205         * config/i386/i386.c (struct builtin_description)
1206         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1207         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1208         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1209         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1210         v1di_ftype_v8qi_v8qi type.
1211         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1213         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1214         __builtin_ia32_pmuludq]: Fix the mode of return value.
1216 2008-03-15  Richard Guenther  <rguenther@suse.de>
1218         PR middle-end/35595
1219         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1220         being a PHI_NODE.
1222 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1223         
1224         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1225         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1226         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1227         unless TARGET_SERIALIZE_VOLATILE is enabled.
1228         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1229         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1230         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1232 2008-03-14  Richard Guenther  <rguenther@suse.de>
1234         PR tree-optimization/34172
1235         * tree-flow.h (refs_may_alias_p): Declare.
1236         (get_single_def_stmt): Likewise.
1237         (get_single_def_stmt_from_phi): Likewise.
1238         (get_single_def_stmt_with_phi): Likewise.
1239         * tree-dfa.c (refs_may_alias_p): New function.
1240         (get_single_def_stmt): Likewise.
1241         (get_single_def_stmt_from_phi): Likewise.
1242         (get_single_def_stmt_with_phi): Likewise.
1243         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1244         (vn_reference_lookup_1): New helper function.
1245         (vn_reference_lookup): Walk the virtual use-def chain to
1246         continue searching for a match if the def does not alias the
1247         reference we are looking for.
1249 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1251         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1252         archive and Perzl.  Update The Written Word listing.
1254 2008-03-14  Richard Guenther  <rguenther@suse.de>
1256         PR tree-optimization/34043
1257         PR tree-optimization/33989
1258         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1259         when doing FRE.
1260         (bitmap_find_leader): Use extra argument to verify dominance
1261         relationship inside a basic-block.
1262         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1263         (find_leader_in_sets): Adjust.
1264         (create_component_ref_by_pieces): Take extra argument for
1265         dominance check, handle lookup failures.
1266         (find_or_generate_expression): Likewise.
1267         (create_expression_by_pieces): Likewise.
1268         (insert_into_preds_of_block): Adjust.
1269         (create_value_expr_from): If asked for, verify all operands
1270         are in the blocks AVAIL_OUT set.
1271         (make_values_for_stmt): Check for SSA_NAMEs that are life
1272         over an abnormal edge.
1273         (compute_avail): Remove such check.
1274         (do_SCCVN_insertion): New function.
1275         (eliminate): If we do not find a leader suitable for replacement
1276         insert a replacement expression from SCCVN if available.
1277         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1278         (struct vn_ssa_aux): Add needs_insertion flag.
1279         * tree-ssa-sccvn.c (may_insert): New global flag.
1280         (copy_reference_ops_from_ref): Value-number union member access
1281         based on its size, not type and member if insertion is allowed.
1282         (visit_reference_op_load): For a weak match from union type
1283         punning lookup a view-converted value and insert a SSA_NAME
1284         for that value if that is not found.
1285         (visit_use): Make dumps shorter.  Do not disallow value numbering
1286         SSA_NAMEs that are life over an abnormal edge to constants.
1287         (free_scc_vn): Release inserted SSA_NAMEs.
1288         (run_scc_vn): New flag to specify whether insertion is allowed.
1289         Process SSA_NAMEs in forward order.
1290         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1291         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1292         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1293         pointer type to/from integral types that do not change the
1294         precision to regular conversions.
1296 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1298         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1299         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1300         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1301         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1302         input arguments and the mode of return value.  Built-in functions
1303         that operate on whole 64-bit MMX register now use V1DI mode.
1305 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1306             Olga Golovanevsky  <olga@il.ibm.com>
1308         PR tree-optimization/35041
1309         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1310         to locate the right position in a statement.
1312 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1314         PR target/34000
1315         PR target/35553
1316         * config/i386/xmmintrin.h:  Change all static inline functions to
1317         extern inline and add __gnu_inline__ attribute.
1318         * config/i386/bmintrin.h: Ditto.
1319         * config/i386/smmintrin.h: Ditto.
1320         * config/i386/tmmintrin.h: Ditto.
1321         * config/i386/mmintrin-common.h: Ditto.
1322         * config/i386/ammintrin.h: Ditto.
1323         * config/i386/emmintrin.h: Ditto.
1324         * config/i386/pmmintrin.h: Ditto.
1325         * config/i386/mmintrin.h: Ditto.
1326         * config/i386/mm3dnow.h: Ditto.
1328 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1330         PR middle-end/35185
1331         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1332         (lower_omp_2): New function.
1333         (lower_omp_1, lower_omp): Rewritten.
1335 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1337         PR 35054
1338         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1339         with the phrase "Microsoft Windows compilers".
1340         (Push/Pop Macro Pragmas): New subsection. Document
1341         #pragma push_macro and pragma pop_macro.
1343 2008-03-12  Paul Brook  <paul@codesourcery.com>
1345         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1347 2008-03-12  Paul Brook  <paul@codesourcery.com>
1349         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1350         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1351         (thumb2_addsi_shortim): Rename ...
1352         (thumb2_addsi_short): ... to this.  Allow register operands.
1353         (thumb2_subsi_short): New pattern.
1354         (thumb2_one_cmplsi2_short,
1355         thumb2_negsi2_short): New patterns and peepholes.
1357 2008-03-12  Paul Brook  <paul@codesourcery.com>
1359         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1361 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1363         * config/i386/i386.md (int_cond): New code iterator.
1364         (fp_cond): Ditto.
1365         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1366         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1367         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1368         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1369         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1370         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1371         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1372         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1374 2008-03-12  Paul Brook  <paul@codesourcery.com>
1376         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1377         instead of {arm,thumb}_compute_save_reg_mask.
1378         (output_return_instruction): Ditto.
1379         (thumb_unexpanded_epilogue): Ditto.
1380         (thumb1_expand_prologue): Ditto.
1381         (thumb1_output_function_prologue): Ditto.
1382         (arm_set_return_address): Ditto.
1383         (thumb_set_return_address): Ditto.
1384         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1385         regs to achieve stack alignment.
1386         (thumb1_compute_save_reg_mask): Fix compiler warning.
1387         (arm_output_epilogue): Use offsets->saved_regs_mask.
1388         Adjust stack pointer by poping call clobered registers.
1389         (arm_expand_prologue): Use offsets->saved_regs_mask.
1390         Adjust stack pointer by pushing extra registers.
1391         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1393 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1395         PR tree-opt/35422
1396         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1397         conversion to the operands of a multiplication.
1399 2008-03-12  Richard Guenther  <rguenther@suse.de>
1401         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1402         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1403         * timevar.def (TV_TREE_PHIPROP): Add.
1404         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1405         pass description.  Use TV_TREE_PHIPROP.
1406         * tree-ssa-forwprop.c: Remove phiprop code.
1408 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1410         PR middle-end/35549
1411         * omp-low.c (maybe_lookup_decl): Constify first argument.
1412         (use_pointer_for_field): Change last argument from bool to
1413         omp_context *.  Disallow shared copy-in/out in nested
1414         parallel if decl is shared in outer parallel too.
1415         (build_outer_var_ref, scan_sharing_clauses,
1416         lower_rec_input_clauses, lower_copyprivate_clauses,
1417         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1419 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1420             Ira Rosen  <irar@il.ibm.com>
1422         * tree-vectorizer.c (free_stmt_vec_info): New function.
1423         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1424         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1425         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1426         * tree-vect-transform.c (vectorizable_conversion): Free
1427         vec_oprnds0 if it was allocated.
1428         (vect_permute_store_chain): Remove unused VECs.
1429         (vectorizable_store): Free VECs that are allocated in the..
1430         function.
1431         (vect_transform_strided_load, vectorizable_load): Likewise.
1432         (vect_remove_stores): Simplify the code.
1433         (vect_transform_loop): Move code to vect_remove_stores().
1434         Call vect_remove_stores() and free_stmt_vec_info().
1436 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1438         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1439         TARGET_HPUX.  Revise comment.
1440         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1441         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1442         Use sr4 variant of `be' instruction when not generating PIC code.
1443         (attr_length_call): Adjust for above change.
1445 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1447         * ipa-reference.c (static_execute): Remove module_statics_const and
1448         associated setting code.
1450 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1452         PR target/35540
1453         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1454         predicate for operand 1.
1455         (paritysi2_cmp): Use register_operand predicate for operand 2.
1456         Use earlyclobber modifier for operand 1.  Remove support for
1457         memory operands.
1458         (paritydi2_cmp): Use register_operand predicate for operand 3.
1459         Use earlyclobber modifier for operand 1.  Remove support for
1460         memory operands.
1462 2008-03-11  Paul Brook  <paul@codesourcery.com>
1463             Vladimir Prus  <vladimir@codesourcery.com>
1465         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1466         (arm_compute_save_reg0_reg12_mask): Always
1467         check if register 11 must be saved.  Always safe hard frame pointer
1468         when frame_pointer_needeed.
1469         (arm_compute_save_reg_mask): Save IP and PC
1470         only with apcs frames.
1471         (arm_output_epilogue): Adjust Thumb2 codepath to
1472         be also invoked and work for ARM non-apcs frames.
1473         (arm_expand_prologue): Don't bother saving IP
1474         for non-apcs frame, since it's not clobbered by
1475         prologue code.  Implement non-apcs frame
1476         layout.
1478 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1480         PR rtl-optimization/35281
1481         * expr.c (convert_move): Use a new pseudo for the intermediate
1482         from_mode->word_mode result.
1484 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1486         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1487         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1488         * toplev.c (compile_file): Don't call it.
1490 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1492         PR middle-end/35526
1493         * expr.c (store_expr): Call emit_block_move if the mode
1494         of "temp" RTX is BLKmode.
1496 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1497             Richard Guenther  <rguenther@suse.de>
1499         PR tree-optimization/31358
1500         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1501         the step with a NULL_TREE.
1502         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1503         to sizetype if type is a pointer type.
1504         (add_candidate_1): Don't convert the base and step to
1505         the generic type if the orginal type is a pointer type.
1506         (add_iv_value_candidates): Use sizetype for the step
1507         if type is a pointer type.
1508         (cand_value_at): Likewise.
1509         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1510         for pointer types.
1511         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1512         Don't convert the tem affine to the type.
1513         (add_elt_to_tree): Use sizetype for the step if a pointer.
1514         Use POINTER_PLUS_EXPR for pointers.
1515         (aff_combination_to_tree): Use sizetype for the step if a
1516         pointer.
1518 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1520         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1521         Remove commutativity hint.
1523 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1525         PR c/35438
1526         PR c/35439
1527         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1528         errorneous type.  Check that v is a VAR_DECL.
1530         PR middle-end/35099
1531         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1533 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1535         PR tree-optimization/35494
1536         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1537         may be overriden at link and run time.
1539 2008-03-10  Richard Guenther  <rguenther@suse.de>
1541         PR tree-optimization/34677
1542         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1543         (poolify_tree): Likewise.
1544         (modify_expr_template): Likewise.
1545         (poolify_modify_stmt): Likewise.
1546         (insert_fake_stores): Handle all component-ref style stores
1547         in addition to INDIRECT_REF.  Also handle complex types.
1548         Do not poolify the inserted load.
1549         (realify_fake_stores): Do not rebuild the tree but only
1550         make it a SSA_NAME copy.
1551         (init_pre): Remove initialzation of modify_expr_template.
1552         Do not allocate modify_expr_node_pool.
1553         (fini_pre): Do not free modify_expr_node_pool.
1555 2008-03-10  Paul Brook  <paul@codesourcery.com>
1557         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1558         to avoid conflicts.
1560 2008-03-10  Paul Brook  <paul@codesourcery.com>
1561             Mark Shinwell  <shinwell@codesourcery.com>
1563         * config/arm/cortex-r4.md: New.
1564         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1565         insn attributes.
1566         * config/arm/arm.md: Include cortex-r4.md.
1567         (insn): Add smmls, sdiv and udiv values.
1568         (generic_sched): Don't use generic scheduling for Cortex-R4.
1569         (arm_issue_rate): New function.
1570         (TARGET_SCHED_ISSUE_RATE): Define.
1572 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1574         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1576 2008-03-10  Richard Guenther  <rguenther@suse.de>
1578         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1579         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1581 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1583         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1584         Set default to true.
1586 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1588         * c.opt (Wsynth): Deprecate.
1589         * doc/invoke.texi (Option Summary, Warning Options): Document
1590         -Wno-format-contains-nul.
1592 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1594         PR target/35496
1595         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1596         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1598 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1600         * config/rs6000/rs6000.c (builtin_description): Rename vector
1601         left shift operations.
1602         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1603         (altivec_vsl<VI_char>): Rename to ...
1604         (ashl<mode>3): ... new name.
1605         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1606         gen_ashlv4si3.
1607         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1609 2008-03-08  Richard Guenther  <rguenther@suse.de>
1611         * coverage.h (tree_coverage_counter_addr): Declare.
1612         * coverage.c (tree_coverage_counter_addr): New function.
1613         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1614         before using again.
1615         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1616         (tree_gen_one_value_profiler): Likewise.
1617         (tree_gen_ic_profiler): Likewise.
1618         (tree_gen_average_profiler): Likewise.
1619         (tree_gen_ior_profiler): Likewise.
1621 2008-03-08  Richard Guenther  <rguenther@suse.de>
1623         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1624         (vn_binary_op_insert): Likewise.
1625         (vn_unary_op_lookup): Likewise.
1626         (vn_unary_op_insert): Likewise.
1627         (vn_nary_op_lookup): Declare.
1628         (vn_nary_op_insert): Likewise.
1629         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1630         and binary hashes, use a single obstack for unary_op_pool
1631         and binary_op_pool.
1632         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1633         a single struct vn_nary_op_s.  Store tree code length and
1634         a variable number of operands.
1635         (struct vn_reference_op_struct): Remove unused op2.
1636         (vn_reference_op_eq): Do not compare op2.
1637         (vn_reference_op_compute_hash): Do not compute hash of op2.
1638         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1639         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1640         with vn_nary_op_compute_hash.
1641         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1642         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1643         vn_nary_op_lookup.
1644         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1645         vn_nary_op_insert.
1646         (visit_unary_op): Call nary functions.
1647         (visit_binary_op): Likewise.
1648         (process_scc): Adjust for struct vn_tables_s changes.
1649         (allocate_vn_table): Likewise.
1650         (free_vn_table): Likewise.
1651         * tree-vn.c (vn_add): Call nary functions.
1652         (vn_lookup): Likewise.
1654 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1656         PR target/35498
1657         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1658         wdst back after sync_compare_and_swapqhi_internal.
1660 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1662         PR target/22152
1663         * config/i386/i386-modes.def (V1DI): New vector mode.
1664         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1665         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1666         (MMXMODE248): Ditto.
1667         (MMXMODE): Add V1DI mode.
1668         (mmxvecsize): Change DI mode to V1DI mode.
1669         ("mov<mode>): Use MMXMODEI8 mode iterator.
1670         ("*mov<mode>_internal_rex64"): Ditto.
1671         ("*mov<mode>_internal"): Ditto.
1672         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1673         ("mmx_sub<mode>3"): Ditto.
1674         ("mmx_adddi3"): Remove insn pattern.
1675         ("mmx_subdi3"): Ditto.
1676         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1677         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1678         ("mmx_ashl<mode>3"): Ditto.
1679         ("mmx_lshrdi3"): Remove insn pattern.
1680         ("mmx_ashldi3"): Ditto.
1681         * config/i386/i386.c (classify_argument): Handle V1DImode.
1682         (function_arg_advance_32): Ditto.
1683         (function_arg_32): Ditto.
1684         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1685         mmx_addv1di3 insn pattern.
1686         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1687         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1688         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1689         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1690         Remove definitions of built-in functions.
1691         (V1DI_type_node): New node.
1692         (v1di_ftype_v1di_int): Ditto.
1693         (v1di_ftype_v1di_v1di): Ditto.
1694         (v2si_ftype_v2si_si): Ditto.
1695         (v4hi_ftype_v4hi_di): Remove node.
1696         (v2si_ftype_v2si_di): Ditto.
1697         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1698         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1699         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1700         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1701         Add new builtins using def_builtin_const.
1702         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1703         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1704         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1705         * config/i386/mmintrin.h (__v1di): New typedef.
1706         (_mm_add_si64): Cast arguments to __v1di type.
1707         (_mm_sub_si64): Ditto.
1708         (_mm_sll_pi16): Cast __count to __v4hi type.
1709         (_mm_sll_pi32): Cast __count to __v2si type.
1710         (_mm_sll_si64): Cast arguments to __v1di type.
1711         (_mm_srl_pi16): Cast __count to __v4hi type.
1712         (_mm_srl_pi32): Cast __count to __v2si type.
1713         (_mm_srl_si64): Cast arguments to __v1di type.
1714         (_mm_sra_pi16): Cast __count to __v4hi type.
1715         (_mm_sra_pi32): Cast __count to __v2si type.
1716         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1717         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1718         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1719         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1720         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1721         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1722         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1723         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1724         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1725         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1726         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1727         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1729 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1731         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1733 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1735         PR target/35373
1736         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1737         reg+const addressing for Altivec modes.  Don't generate reg+reg
1738         addressing for TFmode or TDmode quantities.
1740 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1742         * c-common.c (vector_types_convertible_p): Call langhook
1743         instead of comptypes.
1745 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1747         PR tree-opt/35402
1748         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1749         integral and scalar float variables which have a
1750         NULL DECL_INITIAL.
1752 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1754         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1755         dwarf_register_span hook when emitting unwind information for
1756         register-to-memory saves.
1757         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1758         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1760 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1762         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1763         for the same VAR_DECL.
1765 2008-03-06  Tom Tromey  <tromey@redhat.com>
1767         * treelang: Delete.
1768         * doc/standards.texi (Standards): Don't mention treelang.
1769         * doc/invoke.texi (Overall Options): Don't mention treelang.
1770         * doc/install.texi (Prerequisites): Don't mention bison or
1771         treelang.
1772         (Configuration): Don't mention treelang.
1773         (Building): Likewise.
1774         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1776 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1778         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1779         word-extractions out of a multi-word object.
1781 2008-03-06  Richard Guenther  <rguenther@suse.de>
1783         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1784         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1785         result type and precision.
1786         * expr.c (get_inner_reference): Set unsignedp based on the result
1787         type of BIT_FIELD_REF.
1788         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1789         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1790         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1791         for BIT_FIELD_REF.
1792         (sra_build_assignment): Likewise.
1793         (sra_build_elt_assignment): Likewise.
1794         (sra_explode_bitfield_assignment): Likewise.
1795         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1796         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1797         set BIT_FIELD_REF_UNSIGNED.
1798         (vectorizable_load): Likewise.
1800 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1802         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1803         at bb start.
1805 2008-03-06  Richard Guenther  <rguenther@suse.de>
1807         * alias.c (struct alias_set_entry): Move has_zero_child field
1808         to pack with alias_set.
1810 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1812         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1813         32bit host.
1815 2008-03-05  Ian Lance Taylor  <iant@google.com>
1817         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1819 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1821         * fwprop.c (update_df): Support width and offset parameters of
1822         df_ref_create.
1823         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1824         global_conflicts): Change DF_REF_EXTRACT to either
1825         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1826         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1827         * df-scan.c (df_ref_record, df_defs_record,
1828         df_ref_create_structure, df_def_record_1, df_uses_record,
1829         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1830         df_bb_refs_collect, df_entry_block_defs_collect,
1831         df_exit_block_uses_collect): Support new width and offset fields.
1832         (ref_extract_pool): New storage pool.
1833         (df_free_ref): New function.
1834         (df_reg_chain_unlink, df_free_collection_rec,
1835         df_sort_and_compress_refs): Call df_free_ref.
1836         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1837         of df_ref_extract.
1838         (df_ref_create_structure): Allocate df_ref_extract if offset and
1839         width fields are used.
1840         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1841         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1842         and SIGN_EXTRACT.
1843         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1844         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1845         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1846         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1847         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1848         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1849         (df_ref_extract): New structure.
1850         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1851         (df_ref_create): Add width and offset parameters.
1852         
1853 2008-03-05  Richard Guenther  <rguenther@suse.de>
1855         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1856         Use ranges_overlap_p.
1857         (offset_overlaps_with_access): Rename
1858         to ranges_overlap_p and move ...
1859         * tree-flow-inline.h (ranges_overlap_p): ... here.
1861         * tree.h (get_inner_reference, handled_component_p): Update
1862         comments.
1864         * tree.h (record_component_aliases, get_alias_set,
1865         alias_sets_conflict_p, alias_sets_must_conflict_p,
1866         objects_must_conflict_p): Move declarations ...
1867         * alias.h (record_component_aliases, get_alias_set,
1868         alias_sets_conflict_p, alias_sets_must_conflict_p,
1869         objects_must_conflict_p): ... here.
1870         Include coretypes.h.
1871         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1873 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1875         * cfg.c: Include tree-flow.h.
1876         (remove_edge_raw): Call redirect_edge_var_map_clear.
1877         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1878         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1879         (redirect_edge_var_map_result): New.
1880         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1881         PENDING_STMT use with redirect_edge_var_map_*.
1882         * tree-ssa.c (edge_var_maps): New definition.
1883         (redirect_edge_var_map_add): New.
1884         (redirect_edge_var_map_clear): New.
1885         (redirect_edge_var_map_dup): New.
1886         (redirect_edge_var_map_vector): New.
1887         (redirect_edge_var_map_destroy): New.
1888         (ssa_redirect_edge): Replace PENDING_STMT use with
1889         redirect_edge_var_map_*.
1890         (flush_pending_stmts): Same.
1891         (delete_tree_ssa): Destroy edge var map.
1892         * tree-flow.h (struct _edge_var_map): New.
1893         Define edge_var_map vector type.
1894         Declare redirect_edge_var_map_* prototypes.
1895         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1896         * tree-cfg.c (reinstall_phi_args): Replace
1897         PENDING_STMT use with redirect_edge_var_map_*.
1899 2008-03-05  Richard Guenther  <rguenther@suse.de>
1901         PR tree-optimization/35472
1902         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1903         whose single use_stmt has a overlapping set of loaded and
1904         stored symbols as that use_stmt might be a noop assignment then.
1906 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1908         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1910 2008-03-05  Richard Guenther  <rguenther@suse.de>
1912         PR c++/35336
1913         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1914         should be constants.
1915         * tree-cfg.c (verify_expr): Verify it.
1916         * fold-const.c (fold_truthop): Remove code generating
1917         BIT_FIELD_REFs of structure bases.
1918         (fold_binary): Likewise.
1919         (fold_ternary): Position and size of BIT_FIELD_REFs are
1920         always host integers.
1921         (make_bit_field_ref): Remove.
1922         (optimize_bit_field_compare): Remove.
1923         (all_ones_mask_p): Remove.
1925 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1927         PR gcc/33009
1928         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1929         (split_block_and_df_analyze): New. Split basic block and rebuild
1930         dataflow.
1931         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1932         SPLIT_BLOCK.
1933         (split_pattern_seq): Likewise.
1934         (erase_matching_seqs): Likewise.
1935         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1937 2008-03-04  Geoff Keating  <geoffk@apple.com>
1939         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1940         declaration and code.
1941         (tree_invalid_nonnegative_warnv_p): Likewise.
1943 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1945         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1946         examples.  Truncate option-names then causing overfull hbox.
1948 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1950         PR target/35222
1951         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1952         on hpux10.
1953         * configure: Rebuilt.
1955 2008-03-04  Rafael Espindola  <espindola@google.com>
1957         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1958         (tree_unary_nonnegative_warnv_p): New.
1959         (tree_binary_nonnegative_warnv_p): New.
1960         (tree_single_nonnegative_warnv_p): New.
1961         (tree_invalid_nonnegative_warnv_p): New.
1962         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1964 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1966         PR 28322
1967         * opts.c (handle_option): Postpone 'unknown option' errors only for
1968         warning options.
1970 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1972         PR target/35453
1973         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1974         (_SIDD_XXX): This.
1976 2008-03-04  Rafael Espindola  <espindola@google.com>
1978         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1979         (tree_binary_nonzero_warnv_p): New.
1980         (tree_single_nonzero_warnv_p): New.
1981         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1983 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1985         PR middle-end/35456
1986         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1987         transformations for modes that have signed zeros.
1988         * ifcvt.c (noce_try_abs): Ditto.
1990 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1992         * config/i386/i386.c (override_options): Force
1993         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1995 2008-03-04  Jan Hubicka  <jh@suse.cz>
1997         PR c++/35262
1998         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1999         in last commit.
2001 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2003         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2004         label to probe the stack.
2006 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2008         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2009         (__gthr_win32_mutex_destroy): Declare.
2010         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2011         __gthr_win32_mutex_destroy.
2012         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2014 2008-03-03  Jan Hubicka  <jh@suse.cz>
2016         PR c++/35262
2017         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2018         aggressive on inlining cold calls.
2020 2008-03-03  Richard Guenther  <rguenther@suse.de>
2022         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2023         struct copies into the expression table.
2024         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2025         (try_to_simplify): Likewise.
2026         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2027         integral and pointer arguments which do not change the
2028         precision to NOP_EXPRs.
2029         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2030         VIEW_CONVERT_EXPR case.
2032 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2034         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2035         defined in a loop at depth 0 is invariant.
2036         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2037         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2038         be called at loop depth 0.
2040 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2042         PR driver/35420
2043         * gcc.c (process_command): Update copyright notice dates.
2044         * gcov.c (print_version): Likewise.
2045         * gcov-dump.c (print_version): Likewise.
2046         * mips-tfile.c (main): Likewise.
2047         * mips-tdump.c (main): Likewise.
2049 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2051         PR 24924
2052         * c-common.c (flag_permissive): Delete.
2053         (constant_expression_warnings): Check flags first.
2054         (constant_expression_error): New.
2055         * c-common.h (flag_permissive): Delete.
2056         (constant_expression_error): Declare.
2057         * flags.h (flag_permissive): Declare. Update description.
2058         * diagnostic.c (pedwarn): Update.
2059         (permerror): New.
2060         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2061         (permissive_error_kind): New.
2062         * toplev.c (flag_permissive): Define. Update description.
2063         * toplev.h (permissive_error_kind): Declare.
2064         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2065         (pedwarn_c90): Use pedantic_warning_kind.
2066         * c-opts.c (c_common_post_options): flag_permissive does not affect
2067         flag_pedantic_errors.
2069 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2071         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2072         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2073         __absvsi2, __absvDI2): Use unsigned arithmetic.
2075 2008-03-02  Andi Kleen  <ak@suse.de>
2076             Richard Guenther  <rguenther@suse.de>
2078         * struct-equiv.c: Remove file.
2079         * cfg_cleanup.c (condjump_equiv_p): Remove.
2080         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2081         (struct-equiv.o): Remove rule.
2082         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2083         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2084         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2086 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2088         * ifcvt.c (noce_process_if_block): Try to handle only the then
2089         block if the else block exists but isn't suitable.
2091 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2093         PR gcc/35063
2094         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2095         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2096         regression from previous patch.
2098 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2100         PR gcc/35063
2101         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2102         implemented.
2103         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2104         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2105         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2106         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2107         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2108         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2109         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2110         (__gthread_mutex_destroy_function): Rename to
2111         __gthread_mutex_destroy.
2112         * gthr-dce.h (__gthread_mutex_destroy): Call
2113         pthread_mutex_destroy.
2114         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2115         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2116         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2118 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2120         * df-scan.c (df_ref_chain_change_bb): Simplify.
2121         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2122         set_block_for_insn if there's any change.
2123         * df.h ((df_insn_change_bb): Fix prototype.
2124         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2125         df_insn_change_bb, don't call set_block_for_insn.
2126         * emit-rtl.c (reorder_insns): Likewise.
2127         * haifa-sched.c (move_insn): Likewise.
2129 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2131         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2133 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2135         * tree-flow-inline.h (next_readonly_imm_use): Return
2136         NULL_USE_OPERAND_P after the end.
2138 2008-03-01  Richard Guenther  <rguenther@suse.de>
2140         PR tree-optimization/35411
2141         * tree-sra.c (sra_build_assignment): Split conversion to
2142         final type to a separate statement if we are not assigning
2143         to a register.
2145 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2147         * fold-const.c (fold_convertible_p): Correct the logic to follow
2148         that in fold_convert().
2150 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2152         PR c++/35315
2153         * tree-inline.c (build_duplicate_type): When we make a
2154         duplicate type, make it unique in the canonical types system.
2156 2008-02-29  Tom Tromey  <tromey@redhat.com>
2158         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2159         input_file_stack_history, input_file_stack_restored): Remove.
2160         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2161         * input.h (struct file_stack): Remove.
2162         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2163         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2164         Likewise.
2165         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2166         type.
2167         (diagnostic_last_module_changed): Add 'map' argument.
2168         (diagnostic_set_last_function): Likewise.
2169         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2170         line map, not input_file_stack.
2171         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2173 2008-02-29  Paul Brook  <paul@codesourcery.com>
2175         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2177 2008-02-29  Paul Brook  <paul@codesourcery.com>
2179         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2181 2008-02-29  Richard Guenther  <rguenther@suse.de>
2183         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2184         vn_lookup_or_add.
2185         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2186         value for comparing for a store match.
2187         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2188         (try_to_simplify): Do not do a full-blown reference lookup.
2190 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2192         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2193         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2195         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2197 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2199         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2200         strides against cache sizes.
2202 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2204         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2205         constant to fpul.
2207 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2209         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2210         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2211         is smaller than the original promoted value.
2212         (simplify_subreg): If OP is a SUBREG, try to preserve its
2213         SUBREG_PROMOTED_VAR_P information.
2215 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2217         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2218         (VN_INFO_GET): Allocate new objects on the obstack.
2219         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2220         for rpo_numbers_temp, for consistency.
2221         (free_scc_vn): Free the obstack.
2223 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2225         * doc/invoke.texi: Document -ftree-loop-distribution.
2226         * tree-loop-distribution.c: New.
2227         * tree-pass.h (pass_loop_distribution): New.
2228         * graphds.h (struct graph): Add htab_t indices.
2229         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2230         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2231         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2232         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2233         * tree-data-ref.c (debug_data_dependence_relations): New.
2234         (dump_data_dependence_relation): Also print data references.
2235         (free_data_ref): Extern.
2236         (same_access_functions): Moved...
2237         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2238         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2239         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2240         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2241         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2242         (stmts_from_loop): Skip LABEL_EXPR.
2243         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2244         New.
2245         (build_rdg): Initialize rdg->indices htab.
2246         (free_rdg, stores_from_loop, ref_base_address,
2247         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2248         have_similar_memory_accesses_1, ref_base_address_1,
2249         remove_similar_memory_refs): New.
2250         * tree-data-ref.h: Depend on tree-chrec.h.
2251         (debug_data_dependence_relations, free_data_ref): Declared.
2252         (same_access_functions): ... here.
2253         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2254         New.
2255         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2256         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2257         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2258         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2259         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2260         rdg_vertex_for_stmt): Declared.
2261         (struct rdg_edge): Add level.
2262         (RDGE_LEVEL): New.
2263         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2264         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2265         Declared.
2266         (rdg_has_similar_memory_accesses): New.
2267         * tree-vect-analyze.c: Remove unused static decls.
2268         * lambda.h (dependence_level): New.
2269         * common.opt (ftree-loop-distribution): New.
2270         * tree-flow.h (mark_virtual_ops_in_bb, 
2271         slpeel_tree_duplicate_loop_to_edge_cfg,
2272         rename_variables_in_loop): Declared.
2273         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2274         (OBJS-common): Add tree-loop-distribution.o.
2275         (tree-loop-distribution.o): New rule.
2276         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2277         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2278         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2280 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2282         PR target/33963
2283         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2284         other than structures and unions.
2286 2008-02-28  Richard Guenther  <rguenther@suse.de>
2288         Revert:
2289         2008-02-26  Richard Guenther  <rguenther@suse.de>
2291         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2292         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2293         (lookup_decl_from_uid): Declare.
2294         (remove_decl_from_map): Likewise.
2295         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2296         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2297         (decl_for_uid_map): New global hashtable mapping DECL_UID
2298         to the decl tree.
2299         (init_ttree): Allocate it.
2300         (insert_decl_to_uid_decl_map): New helper function.
2301         (make_node_stat): Insert new decls into the map.
2302         (copy_node_stat): Likewise.
2303         (lookup_decl_from_uid): New function.
2304         (remove_decl_from_map): Likewise.
2305         (print_decl_for_uid_map_statistics): New helper.
2306         (dump_tree_statistics): Call it.
2308         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2309         (referenced_var_iterator): Adjust.
2310         (FOR_EACH_REFERENCED_VAR): Adjust.
2311         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2312         (num_referenced_vars): Adjust.
2313         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2314         (first_referenced_var): Remove.
2315         (end_referenced_vars_p): Likewise.
2316         (next_referenced_var): Likewise.
2317         (referenced_var_iterator_set): New helper function.
2318         * tree-dfa.c (referenced_var_lookup): Adjust.
2319         (referenced_var_check_and_insert): Likewise.
2320         (remove_referenced_var): Likewise.
2321         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2322         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2323         (verify_call_clobbering): Likewise.
2324         (verify_memory_partitions): Likewise.
2325         (init_tree_ssa): Allocate bitmap instead of hashtable for
2326         referenced_vars.
2327         (delete_tree_ssa): Adjust.
2328         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2329         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2330         (compute_tag_properties): Likewise.
2331         (set_initial_properties): Likewise.
2332         (find_partition_for): Likewise.
2333         (update_reference_counts): Likewise.
2334         (dump_may_aliases_for): Likewise.
2335         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2336         (add_call_clobber_ops): Likewise.
2337         (add_call_read_ops): Likewise.
2338         (get_asm_expr_operands): Likewise.
2339         * tree-into-ssa.c (dump_decl_set): Likewise.
2340         (update_ssa): Likewise.
2341         * tree-sra.c (scan_function): Likewise.
2342         (decide_instantiations): Likewise.
2343         (scalarize_parms): Likewise.
2344         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2345         (dsa_named_for): Likewise.
2346         * tree-ssa-structalias.c (update_alias_info): Likewise.
2347         (merge_smts_into): Likewise.
2349 2008-02-27  David Daney  <ddaney@avtrex.com>
2351         PR target/34409
2352         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2353         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2354         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2355         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2356         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2358 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2360         PR target/25477
2361         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2362         (BUILT_IN_NEXTTOWARD): Remove.
2363         (BUILT_IN_NEXTTOWARDF): Ditto.
2364         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2365         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2367 2008-02-27  Tom Tromey  <tromey@redhat.com>
2369         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2370         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2372 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2374         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2375         update the respective field on newdecl.
2377 2008-02-27  Revital Eres  <eres@il.ibm.com>
2379         PR rtl-optimization/34999
2380         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2381         crossing edges that ends with a call insn.
2382         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2383         call insn and clear the EDGE_CROSSING flag of the crossing edge
2384         when fixing fallthru edges.
2386 2008-02-27  Richard Guenther  <rguenther@suse.de>
2388         PR middle-end/35390
2389         * fold-const.c (fold_unary): Return the correct argument,
2390         converted to the result type.
2392 2008-02-27  Richard Guenther  <rguenther@suse.de>
2394         PR middle-end/34971
2395         * expr.c (expand_expr_real_1): Assert on rotates that operate
2396         on partial modes.
2397         * fold-const.c (fold_binary): Use the types precision, not the
2398         bitsize of the mode if folding rotate expressions.  Build rotates
2399         only for full modes.
2401 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2403         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2404         and CPP_PRAGMA_EOL.
2405         * c-pragma.c (pragma_ns_name): New typedef.
2406         (registered_pp_pragmas): New variable.
2407         (c_pp_lookup_pragma): New function.
2408         (c_register_pragma_1): If flag_preprocess_only, do nothing
2409         for non-expanded pragmas, for expanded ones push pragma's
2410         namespace and name into registered_pp_pragmas vector.
2411         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2412         flag_preprocess_only, don't register GCC pch_preprocess
2413         pragma if flag_preprocess_only.
2414         * c-opts.c (c_common_init): Call init_pragma even if
2415         flag_preprocess_only.
2416         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2417         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2418         cpp_register_pragma if flag_preprocess_only.
2420 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2422         PR c/28800
2423         * c-parser.c (c_parser_translation_unit): Warn for empty
2424         translation unit, not empty source file.
2426 2008-02-26  Paul Brook  <paul@codesourcery.com>
2428         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2429         operand for Thumb-2.
2430         * config/arm/arm.h (reg_class): Add CORE_REGS.
2431         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2432         (BASE_REG_CLASS): Use CORE_REGS.
2433         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2434         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2435         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2436         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2437         ARM_REGNO_OK_FOR_INDEX_P.
2438         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2439         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2440         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2441         (ldm/stm peepholes): Ditto.
2442         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2443         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2444         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2445         * config/arm/constraints.md: Enable "k" constraint on ARM.
2447 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2449         * config/rs6000/rs6000.c: Annotate cache line size field in all
2450         instances of struct processor_costs.
2452 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2454         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2455         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2456         jump_bypass): New counters.
2457         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2458         * dce.c (gate_ud_dce): Same.
2459         (gate_fast_dce): Same.
2460         * dse.c (gate_dse1): New function.
2461         (gate_dse2): New function.
2462         (gate_dse): Merge results of new gate functions.
2463         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2464         (gate_handle_jump_bypass): Add dbg_cnt.
2465         (gate_handle_gcse): Add dbg_cnt.
2466         * ifcvt.c (gate_handle_if_conversion): Same.
2467         (gate_handle_if_after_combine): Same.
2468         (gate_handle_if_after_reload): Same.
2469         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2471 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2473         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2474         line sizes.
2475         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2477 2008-02-26  Jason Merrill  <jason@redhat.com>
2479         PR c++/35315
2480         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2481         alone if it's the naming decl for the type's main variant.
2483 2008-02-26  Tom Tromey  <tromey@redhat.com>
2485         * system.h (USE_MAPPED_LOCATION): Poison.
2486         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2487         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2488         (make_goto_expr_edges): Likewise.
2489         (remove_bb): Likewise.
2490         (execute_warn_function_return): Likewise.
2491         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2492         location_t.
2493         * c-common.c (fname_decl): Remove old location code.
2494         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2495         location code.
2496         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2497         variant.
2498         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2499         (gen_rtx_ASM_INPUT): Likewise.
2500         (gen_rtx_ASM_INPUT_loc): Likewise.
2501         (get_rtx_asm_OPERANDS): Remove.
2502         * cfglayout.c (insn_locators_alloc): Remove old location code.
2503         (set_curr_insn_source_location): Likewise.
2504         (curr_insn_locator): Likewise.
2505         * print-tree.c (print_node): Remove old location code.
2506         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2507         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2508         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2509         location_from_locus.
2510         (construct_exit_block): Remove old location code.
2511         * emit-rtl.c (force_next_line_note): Remove old location code.
2512         * profile.c (branch_prob): Remove old location code.
2513         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2514         LOC_LINE): Remove old-location variants.
2515         * langhooks.c (lhd_print_error_function): Remove old location
2516         code.
2517         * configure, config.in: Rebuilt.
2518         * configure.ac (--enable-mapped-location): Remove.
2519         * c-decl.c (c_init_decl_processing): Remove old location code.
2520         (finish_function): Likewise.
2521         * recog.c (decode_asm_operands): Remove old location code.
2522         * c-pch.c (c_common_read_pch): Remove old location code.
2523         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2524         variants.
2525         * gimple-low.c (lower_function_body): Remove old location code.
2526         * toplev.c (unknown_location): Remove.
2527         (push_srcloc): Remove old-location variant.
2528         (process_options): Remove old location code.
2529         (lang_dependent_init): Likewise.
2530         * input.h (UNKNOWN_LOCATION): Move definition.
2531         (location_t): Undeprecate.
2532         (source_locus): Remove.
2533         (location_from_locus): Remove.
2534         (struct location_s): Remove.
2535         Remove all old-location code.
2536         (input_line, input_filename): Remove.
2537         * final.c (final_scan_insn): Remove old location code.
2538         * diagnostic.c (diagnostic_build_prefix): Remove
2539         USE_MAPPED_LOCATION test.
2540         * tree.h (gimple_stmt) <locus>: Now a location_t.
2541         (tree_exp) <locus>: Likewise.
2542         (DECL_IS_BUILTIN): Remove old-location variant.
2543         (annotate_with_file_line, annotate_with_locus): Likewise.
2544         (expr_locus, set_expr_locus): Update.
2545         * tree.c (build1_stat): Remove old location code.
2546         (last_annotated_node): Remove.
2547         (annotate_with_file_line): Remove old-location variant.
2548         (annotate_with_locus): Likewise.
2549         (expr_location): Remove old location code.
2550         (set_expr_location): Likewise.
2551         (expr_has_location): Likewise.
2552         (expr_locus): Likewise.
2553         (set_expr_locus): Likewise.
2554         (expr_filename): Don't use location_from_locus.
2555         (expr_lineno): Likewise.
2556         * rtl-error.c (location_for_asm): Remove old location code.
2557         * c-lex.c (cb_line_change): Remove old location code.
2558         (fe_file_change): Likewise.
2559         (cb_def_pragma): Likewise.
2560         (c_lex_with_flags): Likewise.
2561         * gengtype.c (do_typedef): Don't special-case location types.
2562         (define_location_structures): Remove.
2563         (main): Don't call define_location_structures.
2564         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2565         code.
2567 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2569         PR 26264
2570         * builtins.def (BUILT_IN_STDARG_START): Remove.
2571         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2572         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2573         * tree-inline.c (inline_forbidden_p_1): Likewise.
2574         
2575 2008-02-26  Richard Guenther  <rguenther@suse.de>
2577         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2578         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2579         (lookup_decl_from_uid): Declare.
2580         (remove_decl_from_map): Likewise.
2581         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2582         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2583         (decl_for_uid_map): New global hashtable mapping DECL_UID
2584         to the decl tree.
2585         (init_ttree): Allocate it.
2586         (insert_decl_to_uid_decl_map): New helper function.
2587         (make_node_stat): Insert new decls into the map.
2588         (copy_node_stat): Likewise.
2589         (lookup_decl_from_uid): New function.
2590         (remove_decl_from_map): Likewise.
2591         (print_decl_for_uid_map_statistics): New helper.
2592         (dump_tree_statistics): Call it.
2594         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2595         (referenced_var_iterator): Adjust.
2596         (FOR_EACH_REFERENCED_VAR): Adjust.
2597         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2598         (num_referenced_vars): Adjust.
2599         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2600         (first_referenced_var): Remove.
2601         (end_referenced_vars_p): Likewise.
2602         (next_referenced_var): Likewise.
2603         (referenced_var_iterator_set): New helper function.
2604         * tree-dfa.c (referenced_var_lookup): Adjust.
2605         (referenced_var_check_and_insert): Likewise.
2606         (remove_referenced_var): Likewise.
2607         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2608         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2609         (verify_call_clobbering): Likewise.
2610         (verify_memory_partitions): Likewise.
2611         (init_tree_ssa): Allocate bitmap instead of hashtable for
2612         referenced_vars.
2613         (delete_tree_ssa): Adjust.
2614         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2615         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2616         (compute_tag_properties): Likewise.
2617         (set_initial_properties): Likewise.
2618         (find_partition_for): Likewise.
2619         (update_reference_counts): Likewise.
2620         (dump_may_aliases_for): Likewise.
2621         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2622         (add_call_clobber_ops): Likewise.
2623         (add_call_read_ops): Likewise.
2624         (get_asm_expr_operands): Likewise.
2625         * tree-into-ssa.c (dump_decl_set): Likewise.
2626         (update_ssa): Likewise.
2627         * tree-sra.c (scan_function): Likewise.
2628         (decide_instantiations): Likewise.
2629         (scalarize_parms): Likewise.
2630         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2631         (dsa_named_for): Likewise.
2632         * tree-ssa-structalias.c (update_alias_info): Likewise.
2633         (merge_smts_into): Likewise.
2635 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2637         PR 34351
2638         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2639         * c-opts.c (c_common_handle_option): Wall enables
2640         Wvolatile-register-var.
2641         * common.opt: Move Wvolatile-register-var to...
2642         * c.opt: ...here.
2643         
2644 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2646         * common.opt (Wlarger-than=): New.
2647         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2648         -Wlarger-than=.
2649         * opts.c (common_handle_option): Handle -Wlarger-than=.
2650         * optc-gen.awk: Likewise.
2651         * opth-gen.awk: Likewise.
2652         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2653         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2654         
2655 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2657         * c-common.c (match_case_to_enum_1): Add appropriate
2658         OPT_W* parameter to warning.
2659         (c_do_switch_warnings): Likewise.
2660         * c-typeck.c (warning_init): Add one more parameter following
2661         'warning' function.
2662         (push_init_level): Update call to warning_init.
2663         (pop_init_level): Likewise.
2664         (add_pending_init): Likewise.
2665         (output_init_element: Likewise.
2667 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2669         PR 28322
2670         * toplev.c (toplev_main): If there are warnings or error, print
2671         errors for ignored options.
2672         * opts.c (ignored_options): New static variable.
2673         (postpone_unknown_option_error): New.
2674         (print_ignored_options): New.
2675         (handle_option): Postpone errors for unknown -Wno-* options.
2676         * opts.h (print_ignored_options): Declare.
2677         
2678 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2680         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2681         to "ghost".
2683 2008-02-25  Richard Guenther  <rguenther@suse.de>
2685         Revert:
2686         2008-02-25  Richard Guenther  <rguenther@suse.de>
2688         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2689         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2690         (lookup_decl_from_uid): Declare.
2691         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2692         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2693         (decl_for_uid_map): New global hashtable mapping DECL_UID
2694         to the decl tree.
2695         (init_ttree): Allocate it.
2696         (insert_decl_to_uid_decl_map): New helper function.
2697         (make_node_stat): Insert new decls into the map.
2698         (copy_node_stat): Likewise.
2699         (lookup_decl_from_uid): New function.
2700         (print_decl_for_uid_map_statistics): New helper.
2701         (dump_tree_statistics): Call it.
2703         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2704         (referenced_var_iterator): Adjust.
2705         (FOR_EACH_REFERENCED_VAR): Adjust.
2706         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2707         (num_referenced_vars): Adjust.
2708         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2709         (first_referenced_var): Remove.
2710         (end_referenced_vars_p): Likewise.
2711         (next_referenced_var): Likewise.
2712         (referenced_var_iterator_set): New helper function.
2713         * tree-dfa.c (referenced_var_lookup): Adjust.
2714         (referenced_var_check_and_insert): Likewise.
2715         (remove_referenced_var): Likewise.
2716         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2717         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2718         (verify_call_clobbering): Likewise.
2719         (verify_memory_partitions): Likewise.
2720         (init_tree_ssa): Allocate bitmap instead of hashtable for
2721         referenced_vars.
2722         (delete_tree_ssa): Adjust.
2723         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2724         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2725         (compute_tag_properties): Likewise.
2726         (set_initial_properties): Likewise.
2727         (find_partition_for): Likewise.
2728         (update_reference_counts): Likewise.
2729         (dump_may_aliases_for): Likewise.
2730         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2731         (add_call_clobber_ops): Likewise.
2732         (add_call_read_ops): Likewise.
2733         (get_asm_expr_operands): Likewise.
2734         * tree-into-ssa.c (dump_decl_set): Likewise.
2735         (update_ssa): Likewise.
2736         * tree-sra.c (scan_function): Likewise.
2737         (decide_instantiations): Likewise.
2738         (scalarize_parms): Likewise.
2739         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2740         (dsa_named_for): Likewise.
2741         * tree-ssa-structalias.c (update_alias_info): Likewise.
2742         (merge_smts_into): Likewise.
2744 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2746         PR fortran/29549
2747         * doc/invoke.texi (-fcx-limited-range): Document new option.
2748         * toplev.c (process_options): Handle -fcx-fortran-rules.
2749         * common.opt: Add documentation for -fcx-fortran-rules.
2751 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2753         PR c/35162
2754         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2755         actual behaviour and C99.
2756         
2757 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2759         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2760         (ASM_CPU_POWER6_SPEC): Likewise.
2761         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2762         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2763         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2765 2008-02-25  Richard Guenther  <rguenther@suse.de>
2767         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2768         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2769         (lookup_decl_from_uid): Declare.
2770         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2771         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2772         (decl_for_uid_map): New global hashtable mapping DECL_UID
2773         to the decl tree.
2774         (init_ttree): Allocate it.
2775         (insert_decl_to_uid_decl_map): New helper function.
2776         (make_node_stat): Insert new decls into the map.
2777         (copy_node_stat): Likewise.
2778         (lookup_decl_from_uid): New function.
2779         (print_decl_for_uid_map_statistics): New helper.
2780         (dump_tree_statistics): Call it.
2782         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2783         (referenced_var_iterator): Adjust.
2784         (FOR_EACH_REFERENCED_VAR): Adjust.
2785         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2786         (num_referenced_vars): Adjust.
2787         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2788         (first_referenced_var): Remove.
2789         (end_referenced_vars_p): Likewise.
2790         (next_referenced_var): Likewise.
2791         (referenced_var_iterator_set): New helper function.
2792         * tree-dfa.c (referenced_var_lookup): Adjust.
2793         (referenced_var_check_and_insert): Likewise.
2794         (remove_referenced_var): Likewise.
2795         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2796         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2797         (verify_call_clobbering): Likewise.
2798         (verify_memory_partitions): Likewise.
2799         (init_tree_ssa): Allocate bitmap instead of hashtable for
2800         referenced_vars.
2801         (delete_tree_ssa): Adjust.
2802         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2803         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2804         (compute_tag_properties): Likewise.
2805         (set_initial_properties): Likewise.
2806         (find_partition_for): Likewise.
2807         (update_reference_counts): Likewise.
2808         (dump_may_aliases_for): Likewise.
2809         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2810         (add_call_clobber_ops): Likewise.
2811         (add_call_read_ops): Likewise.
2812         (get_asm_expr_operands): Likewise.
2813         * tree-into-ssa.c (dump_decl_set): Likewise.
2814         (update_ssa): Likewise.
2815         * tree-sra.c (scan_function): Likewise.
2816         (decide_instantiations): Likewise.
2817         (scalarize_parms): Likewise.
2818         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2819         (dsa_named_for): Likewise.
2820         * tree-ssa-structalias.c (update_alias_info): Likewise.
2821         (merge_smts_into): Likewise.
2823 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2825         PR target/35258
2826         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2827         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2828         * alias.h (nonoverlapping_memrefs_p): Likewise.
2830 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2832         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2833         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2834         __emultls_get_address, __emultls_register_common,
2835         __floatundi?f, and _Unwind_GetIPInfo.
2836         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2837         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2838         (gen_regparm_prefix): Likewise.
2839         (i386_nlm_encode_section_info): Sync with
2840         config/i386/winnt.c:i386_pe_encode_section_info().
2841         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2842         i386_nlm_mangle_decl_assembler_name): New.
2843         (netware_override_options): New.
2844         * config/i386/netware.h (netware_override_options): Declare.
2845         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2846         (i386_nlm_mangle_decl_assembler_name): Declare.
2847         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2849 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2851         PR other/32948
2852         * c-decl.c (grokdeclarator): Remove unused local variables
2853         `typedef_type' and `type_as_written'.
2854         * bb-reorder.c
2855         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2856         unused local variable `has_hot_blocks'.
2857         (fix_crossing_conditional_branches): Remove unused local variable
2858         `prev_bb'.
2859         
2860 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2862         PR middle-end/19984
2863         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2864         using DEF_C99_BUILTIN.
2865         (BUILT_IN_NANF): Ditto.
2866         (BUILT_IN_NANL): Ditto.
2868 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2869             Revital Eres  <eres@il.ibm.com>
2871         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2872         regarding the order of two dependent insns in the same row.
2874 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2876         * stor-layout.c (layout_decl): Do not bump the alignment of a
2877         bit-field to more than byte alignment if it is packed.
2879 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2881         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2882         e300c2 and e300c3.
2884 2008-02-24  Diego Novillo  <dnovillo@google.com>
2886         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2888         PR 33738
2889         * tree-vrp.c (vrp_evaluate_conditional): With
2890         -Wtype-limits, emit a warning when comparing against a
2891         constant outside the natural range of OP0's type.
2892         * c.opt (Wtype-limits): Move ...
2893         * common.opt (Wtype-limits): ... here.
2895 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2897         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2898         * config/rs6000/e300c2c3.md: New file.
2899         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2900         e300c2 and e300c3.
2901         (rs6000_override_options): Add e300c2 and e300c3 cases to
2902         processor_target_table. Do not allow usage of Altivec or Spe
2903         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2904         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2905         * config/rs6000/rs6000.h (processor_type): Add
2906         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2907         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2908         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2909         and ppce300c3. Include e300c2c3.md.
2911 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2913         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2914         instead of TARGET_STRICT_ALIGN.
2916 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2918         * explow.c (memory_address): Assert that the generated address is
2919         valid.
2921 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2923         PR target/25477
2924         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2925         * config/darwin-ppc-ldouble-patch.def: New file.
2926         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2927         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2928         SUBTARGET_INIT_BUILTINS if defined.
2929         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2930         New functions.
2932 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2934         PR rtl-opt/33512
2935         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2936         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2938 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2940         PR pch/35027
2941         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2942         file" warning condtional on -Winvalid-PCH.
2944 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2946         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2948 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2950         PR target/22076
2951         PR target/34256 
2952         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2953         prevent reload from using MMX registers.
2954         (*mov<mode>_internal): Ditto.
2955         (*movv2sf_internal_rex64): Ditto.
2956         (*movv2sf_internal): Ditto.
2958 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2960         PR documentation/31569
2961         * doc/install.texi2html: Use makeinfo --no-number-sections.
2963 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2965         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2966         ensure that we can address an entire entity > 8 bytes.  Don't
2967         generate reg+reg addressing for such data.
2969 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2971         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2972         strings when optimizing for size, unless the target cares about
2973         alignment.
2975 2008-02-22  Tom Tromey  <tromey@redhat.com>
2977         * regclass.c (current_pass): Remove declaration.
2979 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2981         * config/avr/libgcc.S (__RAMPZ__): Define.
2982         (__do_copy_data): Add for devices with 128KB code memory.
2984 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2986         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2987         Use spe_abi.
2988         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2990 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2992         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2993         GENNONACR_REGS.
2995 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2997         PR c/19999
2998         * c-typeck.c (build_binary_op): Warn about floating point
2999         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3001 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3003         PR target/34526
3004         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3005         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3006         add vrsave.
3007         (rs6000_override_options): Set altivec_abi as default, not override,
3008         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3009         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3010         is used; use new member spe_abi.
3011         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3012         spe_abi and altivec_abi.
3014 2008-02-22  Tomas Bily  <tbily@suse.cz>
3016         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3018 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3020         PR bootstrap/35273
3021         * config.build (build_file_translate): Set to `CMD //c' only if
3022         it works.
3023         * Makefile.in (build_file_translate): Improve comment.
3025 2008-02-21  Jan Hubicka  <jh@suse.cz>
3027         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3028         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3029         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3031 2008-02-21  Michael Matz  <matz@suse.de>
3033         PR target/35264
3034         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3036 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3038         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3039         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3040         as insn constraint.
3041         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3042         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3043         SSE_VEC_FLOAT_MODE_P as insn constraint.
3044         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3045         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3046         sse4a_movntdf using MODEF mode iterator.
3047         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3048         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3049         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3050         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3051         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3052         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3053         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3055 2008-02-21  Richard Guenther  <rguenther@suse.de>
3057         * tree.def (PAREN_EXPR): New tree code.
3058         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3059         and PAREN_EXPR.
3060         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3061         * expr.c (expand_expr_real_1): Likewise.
3062         * tree-inline.c (estimate_num_insns_1): Likewise.
3063         * tree-complex.c (expand_complex_move): Likewise.
3064         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3065         as plain x.
3067 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3069         PR target/35225
3070         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3072 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3074         PR target/35190
3075         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3077         * config/sh/sh.c (find_barrier): Don't go past
3078         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3080 2008-02-20  DJ Delorie  <dj@redhat.com>
3082         * config/h8300/h8300.md (insv): Force source operand to be a register.
3084         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3085         as a jump, not as a plain insn.
3086         
3087 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3089         * doc/invoke.texi (Warning Options): Add new option
3090         -Wframe-larger-than=.
3091         (-Wframe-larger-than): Document.
3093         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3094         Add declarations for new option variables.
3096         * final.c (final_start_function): Check the frame size
3097         before emission and issue a Wframe-larger-than warning.
3099         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3100         Add definitions for new option variables.
3101         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3103         * common.opt (Wframe-larger-than=): New option.
3105 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3107         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3108         (<sse>_div<mode>3): Ditto.
3109         (<sse>_vmdiv<mode>3): Ditto.
3110         (<sse>_vmsqrt<mode>2): Ditto.
3111         (*smax<mode>3): Ditto.
3112         (sse5_frcz<mode>2): Ditto.
3113         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3114         as insn constraint.
3116 2008-02-20  Richard Guenther  <rguenther@suse.de>
3118         PR middle-end/35265
3119         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3120         be happy with INTEGRAL_TYPE_P.
3122 2008-02-20  Richard Guenther  <rguenther@suse.de>
3124         * fold-const.c (split_tree): Associate floatig-point expressions
3125         if flag_associative_math is set.
3127 2008-02-20  Richard Guenther  <rguenther@suse.de>
3129         * tree.h (fold_real_zero_addition_p): Declare.
3130         * fold-const.c (fold_real_zero_addition_p): Export.
3131         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3132         floating-point operations with zero and one.
3134 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3136         * doc/install.texi: Correct references to CFLAGS, replacing them
3137         with BOOT_CFLAGS.  Document flags used during bootstrap for
3138         target libraries.
3139                                 
3140 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3142         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3143         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3144         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3145         insn constraint.
3146         (smin<mode>3): Ditto from similar patterns.
3147         (smax<mode>3): Ditto.
3148         (*ieee_smin<mode>3): Ditto.
3149         (*ieee_smax<mode>3): Ditto.
3150         * config/i386/sse.md (sse): New mode attribute.
3151         (mov<mode>): Macroize expander from movv4sf and movv2df using
3152         SSEMODEF2P mode iterator.
3153         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3154         SSE_VEC_FLOAT_MODE_P as insn constraint.
3155         (storent<mode>): Ditto.
3156         (storent<mode>): Macroize expander from storentsf and storentdf using
3157         MODEF mode iterator.
3158         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3159         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3160         (abs<mode>2): Ditto from similar patterns.
3161         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3162         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3163         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3164         (<sse>_vmsqrt<mode>2): Ditto.
3165         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3166         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3167         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3168         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3169         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3170         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3171         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3172         insn constraint.
3173         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3174         iterator and SSE_FLOAT_MODE_P as insn constraint.
3175         (<sse>_ucomi): Ditto from similar patterns.
3176         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3177         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3178         SSE_VEC_FLOAT_MODE_P as insn constraint.
3179         (vcond<mode>): Ditto from similar patterns.
3180         (and<mode>3, *and<mode>3): Ditto.
3181         (<sse>_nand<mode>3): Ditto.
3182         (ior<mode>3, *ior<mode>3): Ditto.
3183         (xor<mode>3, *xor<mode>3): Ditto.
3184         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3185         iterator and SSE_FLOAT_MODE_P as insn constraint.
3186         (*nand<mode>3): Ditto from similar patterns.
3187         (*ior<mode>3): Ditto.
3188         (*xor<mode>3): Ditto.
3190 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3192         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3193         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3194         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3196 2008-02-19  Jan Hubicka  <jh@suse.cz>
3198         * predict.c (tree_bb_level_predictions): Remove variable next
3199         mistakely introduced by previous commit.
3201 2008-02-19  Jan Hubicka  <jh@suse.cz>
3203         * predict.c (predict_paths_leading_to): Rewrite.
3204         (predict_paths_for_bb): New.
3205         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3207 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3209         PR bootstrap/35218
3210         * Makefile.in (build_file_translate): New.
3211         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3212         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3213         * configure.ac (build_file_translate): Substitute it.
3214         * configure: Regenerate.
3216 2008-02-19  Jan Hubicka  <jh@suse.cz>
3218         PR rtl-optimization/34408
3219         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3220         invalid sharing.
3222 2008-02-19  Jan Hubicka  <jh@suse.cz>
3224         PR middle-end/28779
3225         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3226         call_expr.
3228 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3230         PR Ada/35186
3231         * config/i386/i386-modes.def: Revert the last DI alignment
3232         change until Ada people can look into it.
3234 2008-02-19  Nick Clifton  <nickc@redhat.com>
3236         * opts.c (print_specific_help): Fix typo in --help text.
3238 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3240         PR target/35239
3241         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3242         32-bit inline asm without asm alternatives for host GCC < 3.0.
3244 2008-02-19  Richard Guenther  <rguenther@suse.de>
3246         PR tree-optimization/34989
3247         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3248         Allow propagation to INDIRECT_REF if we can simplify only.
3250 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3252         * c-common.c (warn_for_collisions_1): Use appropriate option when
3253         warning.
3255 2008-02-19  Nick Clifton  <nickc@redhat.com>
3257         PR other/31349
3258         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3259         (handle_options): Fix indentation.
3260         (print_filtered_help): If no language-specific options were
3261         displayed tell the user how to list all the options supported by
3262         the language's front-end.
3263         (print_specific_help): Fix indentation and remove duplicate line.
3264         (common_handle_option): Handle the -v option.
3265         For --help enable the display of undocumented options if the -v
3266         switch has been included on the command line.
3267         For --help= check for overlaps in the arguments between the option
3268         classes and the language names and issue a warning when they
3269         cannot be disambiguated.
3270         * c.opt (v): Pass on to the common option handler.
3272 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3274         * modulo-sched.c (sms_schedule): Change dump message when
3275         create_ddg function fails.
3276         (try_scheduling_node_in_cycle): Rename row to cycle.
3277         (print_partial_schedule): Rename CYCLE to ROW.
3279 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3280             Zdenek Dvorak  <ook@ucw.cz>
3282         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3284 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3286         PR target/33555
3287         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3288         (*x86_movdicc_0_m1_se): Ditto.
3290 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3292         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3293         (CMPtype): Define as __gcc_CMPtype.
3294         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3295         (CMPtype): Define as __gcc_CMPtype.
3297 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3299         Support valgrind 3.3 for --enable-checking=valgrind.
3300         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3301         here.
3302         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3303         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3304         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3305         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3306         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3307         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3308         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3309         respectively.
3310         * ggc-zone.c: Similar.
3311         * ggc-page.c: Similar.
3313 2008-02-19  Paul Brook  <paul@codesourcery.com>
3315         PR target/35071
3316         * config/arm/ieee754-df.S: Fix do_it typo.
3317         * config/arm/ieee754-sf.S: Fix do_it typo.
3319 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3321         PR target/35189
3322         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3323         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3324         (OPTION_MASK_ISA_SSE_SET): Likewise.
3325         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3326         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3327         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3328         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3329         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3330         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3331         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3332         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3333         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3334         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3335         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3336         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3337         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3338         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3339         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3340         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3341         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3342         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3343         (OPTION_MASK_ISA_SSE4): Removed.
3344         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3345         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3346         (override_options): Don't turn on implied SSE/MMX bits in
3347         ix86_isa_flags.
3349 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3351         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3352         32bit host.
3354 2008-02-18  Joey Ye  <joey.ye@intel.com>
3356         PR middle-end/34921
3357         * tree-nested.c (insert_field_into_struct): Set type alignment
3358         to field alignment if the former is less than the latter.
3360 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3362         * BASE-VER: Set to 4.4.0.
3364 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3366         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3367         * doc/cfg.texi: Likewise.
3368         * doc/extend.texi: Likewise.
3369         * doc/gty.texi: Likewise.
3370         * doc/invoke.texi: Likewise.
3371         * doc/loop.texi: Likewise.
3372         * doc/md.texi: Likewise.
3373         * doc/passes.texi: Likewise.
3374         * doc/rtl.texi: Likewise.
3375         * doc/sourcebuild.texi: Likewise.
3376         * doc/tm.texi: Likewise.
3377         * doc/tree-ssa.texi: Likewise.
3379 2008-02-17  Richard Guenther  <rguenther@suse.de>
3381         PR middle-end/35227
3382         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3383         without default definition.
3385 2008-02-17  Richard Guenther  <rguenther@suse.de>
3387         PR tree-optimization/35231
3388         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3389         if A | B != 1.
3391 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3393         Revert:
3394         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3395         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3396         libgcc_cmp_return mode.
3398 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3400         PR c/28368
3401         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3403 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3405         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3406         multilibs.
3408 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3410         * doc/c-tree.texi: Use `@.' where appropriate.
3411         * doc/extend.texi: Likewise.
3412         * doc/install.texi: Likewise.
3413         * doc/invoke.texi: Likewise.
3414         * doc/loop.texi: Likewise.
3415         * doc/makefile.texi: Likewise.
3416         * doc/md.texi: Likewise.
3417         * doc/passes.texi: Likewise.
3418         * doc/standards.texi: Likewise.
3419         * doc/tm.texi: Likewise.
3421 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3423         PR middle-end/35196
3424         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3425         in entry_bb.
3426         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3427         rather than in entry_bb.
3429 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3431         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3432         libgcc_cmp_return mode.
3434 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3436         PR middle-end/35130
3437         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3438         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3440 2008-02-15  Richard Guenther  <rguenther@suse.de>
3441             Zdenek Dvorak  <ook@ucw.cz>
3443         PR tree-optimization/35164
3444         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3445         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3446         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3447         Only propagate addresses which do not have abnormal SSA_NAMEs
3448         in their operands.
3450 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3452         PR target/35088
3453         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3455 2008-02-15  Jan Hubicka  <jh@suse.cz>
3457         PR middle-end/35149
3458         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3460 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3462         PR middle-end/34621
3463         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3464         when calculating alignment_pad.
3466 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3468         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3469         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3470         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3471         and STACK_BOUNDARY define.
3473 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3475         PR preprocessor/35061
3476         * c-pragma.c (handle_pragma_pop_macro): Check that
3477         pushed_macro_table has been allocated.
3479 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3481         PR middle-end/35136
3482         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3483         (force_gimple_operand): Likewise.
3484         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3485         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3486         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3487         (find_interesting_uses_address): Check addressability and alignment
3488         of the base expression only after substituting bases of IVs into it.
3490 2008-02-14  Michael Matz  <matz@suse.de>
3492         PR target/34930
3493         * function.c (instantiate_virtual_regs_in_insn): Reload address
3494         before falling back to reloading the whole operand.
3496 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3498         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3499         before the first section switch note.
3501 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3503         * doc/bugreport.texi: Update copyright years.
3504         * doc/c-tree.texi: Likewise.
3505         * doc/cfg.texi: Likewise.
3506         * doc/cpp.texi: Likewise.
3507         * doc/cppinternals.texi: Likewise.
3508         * doc/fragments.texi: Likewise.
3509         * doc/frontends.texi: Likewise.
3510         * doc/gcc.texi: Likewise.
3511         * doc/gty.texi: Likewise.
3512         * doc/hostconfig.texi: Likewise.
3513         * doc/implement-c.texi: Likewise.
3514         * doc/libgcc.texi: Likewise.
3515         * doc/loop.texi: Likewise.
3516         * doc/makefile.texi: Likewise.
3517         * doc/options.texi: Likewise.
3518         * doc/passes.texi: Likewise.
3519         * doc/rtl.texi: Likewise.
3520         * doc/sourcebuild.texi: Likewise.
3521         * doc/standards.texi: Likewise.
3522         * doc/tree-ssa.texi: Likewise.
3523         * doc/trouble.texi: Likewise.
3525         * doc/extend.texi: Use @: or add comma where appropriate.
3526         * doc/invoke.texi: Likewise.
3527         * doc/tm.texi: Likewise.
3529 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3531         PR target/34393
3532         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3533         to a reg.
3535 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3537         * doc/md.texi (clz, ctz): Add reference.
3538         * doc/rtl.texi (clz, ctz): Likewise.
3540 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3542         PR other/35148
3543         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3544         srcdir.
3546 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3548         * config/s390/s390.c (struct constant_pool): New field
3549         emit_pool_after added.
3550         (s390_mainpool_start): Set the emit_pool_after flag according
3551         to the section switch notes.
3552         (s390_mainpool_finish): Consider emit_pool_after when emitting
3553         the literal pool at the end of the function.
3554         (s390_chunkify_start): Force literal pool splits at section
3555         switch notes.
3557 2008-02-13  Michael Matz  <matz@suse.de>
3559         PR debug/35065
3560         * var-tracking.c (clobber_variable_part): Correctly traverse the
3561         list.
3563 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3565         PR 29673
3566         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3567         Add -fdump-ipa-inline.
3568         * tree-dump.c (dump_files): Remove tree-inlined dump.
3569         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3570         
3571 2008-02-12  Richard Guenther  <rguenther@suse.de>
3573         PR tree-optimization/35171
3574         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3575         default defs.
3577 2008-02-12  Richard Guenther  <rguenther@suse.de>
3579         PR middle-end/35163
3580         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3581         value-preserving mode.  Disallow final truncation.
3583 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3585         PR middle-end/35136
3586         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3587         code from here to...
3588         (force_gimple_operand): ...here.
3590 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3592         PR c++/35144
3593         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3594         non-compatible pointers.
3595         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3596         different FIELD_DECLs, try harder by comparing field offsets, sizes
3597         and types.
3599         PR inline-asm/35160
3600         * function.c (match_asm_constraints_1): Don't replace the same input
3601         multiple times.
3603 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3605         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3606         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3607         (expand_epilogue): Restore RAMPZ register.
3608         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3610 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3612         * config/i386/cygwin.asm: (__alloca): Correct calling
3613         convention and alignment.
3614         (__chkstk): Force 8 byte stack alignment.
3616 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3617             Richard Guenther  <rguenther@suse.de>
3619         PR tree-optimization/33992
3620         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3621         the zero we compare against.
3623 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3625         PR libfortran/35063
3626         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3627         to CloseHandle after unlocking to prevent accumulation of handle
3628         count.
3630 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3632         PR middle_end/34150
3633         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3634         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3635         and update LABEL_NUSES during and after reload.
3637 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3639         PR middle-end/34627
3640         * combine.c (simplify_if_then_else): Make sure the comparison is
3641         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3643 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3645         PR bootstrap/35051
3646         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3647         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3648         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3649         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3650         * tree.h (get_type_static_bounds): Likewise.
3652 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3654         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3655         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3656         Make -Wfoo language annotations match what the compiler outputs.
3658 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3660         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3661         intrinsics spu_convts, spu_convtu, spu_convtf.
3662         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3664 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3666         * doc/extend.texi (Function Attributes) <noinline>: Mention
3667         asm ("") as method to keep calls.
3669 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3671         PR other/32754
3672         * doc/options.texi (Options): Replace references to opts.sh with
3673         optc-gen.awk.
3674         * opts-common.c: Likewise.
3675         * optc-gen.awk: Likewise.
3676         
3677 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3679         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3681 2008-02-07  Richard Henderson  <rth@redhat.com>
3683         PR rtl-opt/33410
3684         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3685         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3686         funny mode.
3688 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3690         PR tree-optimization/35085
3691         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3692         for operand entry oe2 in addition to operand entry oe3 in order to
3693         expose more opportunities for vectorizer sum reduction.
3695 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3697         PR other/35107
3698         * Makefile.in (LIBS): Remove $(GMPLIBS).
3699         (cc1-dummy, cc1): Add $(GMPLIBS).
3701 2008-02-06  Jan Hubicka  <jh@suse.cz>
3703         PR target/23322
3704         * i386.md (moddf_integer): Do not produce partial memory stalls for
3705         targets where it hurts.
3707 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3709         PR target/35083
3710         * optabs.c (expand_float): Do not check for decimal modes when
3711         expanding unsigned integer through signed conversion.
3713 2008-02-06  Nick Clifton  <nickc@redhat.com>
3715         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3716         inside the clobber with a match_operand and duplicated operand
3717         number in the constraint.
3718         (ineqbranchsi): Delete redundant comment.
3720 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3722         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3723         builtin_define ("__USE_INIT_FINI__").
3724         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3725         -msx multilibs.
3726         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3728 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3730         PR documentation/30330
3731         * doc/invoke.texi (C++ Dialect Options)
3732         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3733         For each warning option -Wfoo that allows -Wno-foo, ensure both
3734         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3735         entry of -Wswitch-default, index -Wnormalized= including the
3736         `=', and -Wlarger-than-@var{len} including @var{len}.
3738 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3740         * config/i386/i386.md (floatunssisf2): Use
3741         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3742         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3743         Macroize expander using MODEF mode iterator.
3745 2008-02-05  Diego Novillo  <dnovillo@google.com>
3747         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3749         PR 33738
3750         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3752 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3754         PR other/35070
3755         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3757 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3759         PR target/35084
3760         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3761         to indicate if a message should be generated.
3762         (init_cumulative_args): Updated.
3763         (function_value_32): Likewise.
3765 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3767         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3769 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3771         PR target/35083
3772         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3773         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3775 2008-02-04  Diego Novillo  <dnovillo@google.com>
3777         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3779         PR 33738
3780         * tree-vrp.c (vrp_evaluate_conditional): With
3781         -Wtype-limits, emit a warning when comparing against a
3782         constant outside the natural range of OP0's type.
3784 2008-02-04  Richard Guenther  <rguenther@suse.de>
3786         PR middle-end/33631
3787         * expr.c (count_type_elements): Give for unions instead of
3788         guessing.
3790 2008-02-04  Richard Guenther  <rguenther@suse.de>
3792         PR middle-end/35043
3793         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3794         to TYPE_DOMAINs base type instead of using bitsizetype here.
3796 2008-02-03  Jason Merrill  <jason@redhat.com>
3798         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3800 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3802         PR other/29972
3803         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3804         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3805         (RS/6000 and PowerPC Options): Fix typos and markup.
3806         * doc/passes.texi (Tree-SSA passes): Likewise.
3808 2008-02-02  Michael Matz  <matz@suse.de>
3810         PR target/35045
3811         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3812         from record_last_reg_set_info.
3813         (record_last_reg_set_info): Take an RTX argument, iterate over all
3814         constituent hardregs.
3815         (record_last_set_info, record_opr_changes): Change calls to
3816         new signature or to record_last_reg_set_info_regno.
3818 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3820         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3822 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3824         PR rtl-optimization/34773
3825         * reg-notes.def (EQUAL): Mention significance of combination of
3826         REG_EQUAL and REG_RETVAL.
3827         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3828         insn that has a REG_RETVAL.
3830 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3832         PR bootstrap/33781
3833         * configure.ac (--enable-fixed-point): Disable unless explicitly
3834         requested on IRIX.
3835         * configure: Regenerate.
3837 2008-02-01  Richard Guenther  <rguenther@suse.de>
3839         PR other/35042
3840         * invoke.texi (-finline-limit): Remove no longer true parts
3841         of the documentation.  Note that there is no default value.
3843 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3844             Mark Mitchell  <mark@codesourcery.com>
3845             Ben Elliston  <bje@au.ibm.com>
3847         PR c/29326
3848         * doc/extend.texi (Other Builtins): Document.
3850 2008-01-31  Tom Browder <tom.browder@gmail.com>
3852         * doc/c-tree.texi (Types): Fix grammar.
3853         (Expression trees): Ditto.
3854         * doc/passes.texi (Tree-SSA passes): Ditto.
3855         
3856         * doc/configterms.texi (Configure Terms): Fix typo.
3857         * doc/cpp.texi (Common Predefined Macros): Ditto.
3858         * doc/md.texi (Machine Constraints): Ditto.
3859         
3860         * doc/makefile.texi (Makefile): Add comma.
3862 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3863             Gerald Pfeifer  <gerald@pfeifer.com>
3864         
3865         * doc/sourcebuild.texi (Front End): Remove references to CVS
3866         and CVSROOT/modules.
3867         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3868         (Back End): Remove reference to CVS.
3870 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3872         PR target/34900
3873         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3874         comment from...
3875         (mips16_gp_pseudo_reg): ...here.
3876         * config/mips/mips.md (load_const_gp): Replace with...
3877         (load_const_gp_<mode>): ...this :P-based insn.
3879 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3881         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3882         options. Minor fixes.
3883         (-std): Move reference to standards closer to where language
3884         standards are first mentioned.
3885         
3886 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3888         PR rtl-optimization/34995
3889         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3890         parameter and return a bool.  If the rtx parameter is nonnull,
3891         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3892         (find_reloads): Update call accordingly.  Pass the new operand
3893         if it needed no address reloads, otherwise pass null.
3895 2008-01-30  Richard Henderson  <rth@redhat.com>
3897         PR c/34993
3898         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3899         for unbounded arrays.
3901 2008-01-30  Silvius Rus  <rus@google.com>
3903         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3905 2008-01-30  Jan Hubicka  <jh@suse.cz>
3907         PR target/34982
3908         * i386.c (init_cumulative_args): Use real function declaration when
3909         calling locally.
3911 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3913         PR rtl-optimization/34998
3914         * global.c (build_insn_chain): Treat non-subreg_lowpart
3915         SUBREGs of pseudos as clobbering all the words covered by the
3916         SUBREG, not just all the bytes.
3917         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3918         original df_ref rather than an extract parameter.
3919         (global_conflicts): Update call accordingly.
3921 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3923         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3924         the overflow check to make it easier to read.
3925         (__fixtfdi): Change the type of the ll member in union
3926         long_double to UDItype_x.
3928 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3930         PR middle-end/34969
3931         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3932         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3933         * tree-inline.c (fold_marked_statements): Call
3934         cgraph_update_edges_for_call_stmt if folding a call statement.
3935         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3936         debug_generic_stmt calls, reset it back afterwards.
3938         PR c/35017
3939         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3940         static decls.
3941         * c-typeck.c (build_external_ref): Don't pedwarn about
3942         static vars in current function's scope.
3944 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3946         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3948 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3950         PR c/35002
3951         * ipa-struct-reorg.c: Fix spelling.
3952         * params.def: Ditto.
3954 2008-01-29  Richard Guenther  <rguenther@suse.de>
3956         PR middle-end/35006
3957         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3958         field.
3959         * tree-inline.c (remap_type): Increment remapping_type_depth
3960         around remapping types.
3961         (copy_body_r): Only add referenced variables if they are referenced
3962         from code, not types.
3964 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3966         PR c++/34055
3967         PR c++/34103
3968         PR c++/34219
3969         PR c++/34606
3970         PR c++/34753
3971         PR c++/34754
3972         PR c++/34755
3973         PR c++/34919
3974         PR c++/34961
3975         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3976         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3978 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3980         PR target/34412
3981         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3982         pointer for tiny stack.
3984 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3986         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3988 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3990         * config/vx-common.h: Fix typo in comment.
3992 2008-01-28  Ian Lance Taylor  <iant@google.com>
3994         PR c++/34862
3995         PR c++/33407
3996         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3997         coalesce pointers if they have different DECL_NO_TBAA_P values.
3998         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3999         between variables with different DECL_NO_TBAA_P values.
4001 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4003         PR 31535
4004         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4005         are not legitimate small data references on SPE targets.
4007 2008-01-28  David Daney  <ddaney@avtrex.com>
4009         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4011 2008-01-28  David Daney  <ddaney@avtrex.com>
4013         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4015 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4017         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4018         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4019         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4020         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4021         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4022         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4023         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4024         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4026 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4028         * basic-block.h (condjump_equiv_p): Fix comment.
4030 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4032         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4033         print_generic_stmt_indented): Fix comment.
4035 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4037         * configure.ac (__stack_chk_fail): Add detecion for availability
4038         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4039         * configure: Regenerate.
4041 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4043         PR middle-end/34688
4044         * final.c (output_addr_const): Handle TRUNCATE.
4046 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4048         PR target/34711
4049         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4050         (zero_cost, infinite_cost): New constants.
4051         (struct cost_pair): Change type of cost to comp_cost.
4052         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4053         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4054         New functions.
4055         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4056         split_address_cost, ptr_difference_cost, difference_cost,
4057         get_computation_cost_at, get_computation_cost,
4058         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4059         determine_use_iv_cost_condition, determine_use_iv_costs,
4060         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4061         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4062         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4063         Change type of cost to comp_cost.
4064         (determine_iv_cost): Increase cost of non-original ivs, instead
4065         of decreasing the cost of original ones.
4066         (get_address_cost): Indicate the complexity of the addressing mode 
4067         in comp_cost.
4068         (try_add_cand_for): Prefer using ivs not specific to some object.
4069         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4071 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4072             Janis Johnson  <janis187@us.ibm.com>
4074         PR target/34814
4075         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4076         (TARGET_INSTANTIATE_DECLS): Likewise.
4077         * target.h (expand_to_rtl_hook): New target hook.
4078         (instantiate_decls): Likewise.
4079         * function.c (instantiate_decl): Make non-static.  Rename to...
4080         (instantiate_decl_rtl): ... this.
4081         (instantiate_expr): Use instantiate_decl_rtl.
4082         (instantiate_decls_1): Likewise.
4083         (instantiate_decls): Likewise.
4084         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4085         * function.h (instantiate_decl_rtl): Add prototype.
4086         * cfgexpand.c (target.h): New include.
4087         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4088         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4089         (TARGET_INSTANTIATE_DECLS): Likewise.
4090         (TARGET_INITIALIZER): New target hooks added.
4091         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4092         New prototype.
4093         * config/rs6000/rs6000.c (tree-flow.h): New include.
4094         (machine_function): Add sdmode_stack_slot field.
4095         (rs6000_alloc_sdmode_stack_slot): New function.
4096         (rs6000_instantiate_decls): Likewise.
4097         (rs6000_secondary_memory_needed_rtx): Likewise.
4098         (rs6000_check_sdmode): Likewise.
4099         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4100         (TARGET_INSTANTIATE_DECLS): Likewise.
4101         (rs6000_hard_regno_mode_ok): Allow SDmode.
4102         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4103         (rs6000_emit_move): Handle SDmode.
4104         (function_arg_advance): Likewise.
4105         (function_arg): Likewise.
4106         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4107         SDmode var args for 32-bit compiles.
4108         (rs6000_secondary_reload_class): Handle SDmode.
4109         (rs6000_output_function_epilogue): Likewise.
4110         (rs6000_function_value): Simplify if statement.
4111         (rs6000_libcall_value): Likewise.
4112         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4113         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4114         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4115         (movsd_hardfloat): New define_insn.
4116         (movsd_softfloat): Likewise.
4117         (movsd_store): Likewise.
4118         (movsd_load): Likewise.
4119         (extendsddd2): Likewise.
4120         (extendsdtd2): Likewise.
4121         (truncddsd2): Likewise.
4122         (movdd_hardfloat64): Fixup comment.
4123         (UNSPEC_MOVSD_LOAD): New constant.
4124         (UNSPEC_MOVSD_STORE): Likewise.
4126 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4128         PR c++/34965
4129         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4130         TRUTH_XOR_EXPR.
4131         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4132         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4133         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4134         and TRUTH_XOR_EXPR.
4136 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4138         PR target/34794
4139         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4140         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4141         __LONGDOUBLE128 too.
4142         * config/rs6000/aix61.h: New file.
4144 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4146         PR rtl-optimization/34959
4147         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4148         popcount and parity rtxes the same mode as their operand.
4149         Truncate or extend the result to the return value's mode
4150         if necessary.
4152 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4154         PR target/34981
4155         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4156         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4157         to GOT_VERSION_REGNUM.
4158         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4159         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4160         * config/mips/mips.c (mips_emit_call_insn): New function.
4161         (mips_call_tls_get_addr): Call mips_expand_call directly.
4162         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4163         emit_call_insn.
4164         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4165         (mips_expand_call): Update the call to mips16_build_call_stub
4166         accordingly and a remove redundant condition.  Assert that MIPS16
4167         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4168         the call insn.
4169         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4170         TARGET_USE_GOT.
4171         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4172         (mips_avoid_hazard): Remove hazard_set handling.
4173         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4174         (UNSPEC_RESTORE_GP): ...this.
4175         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4176         (FAKE_CALL_REGNO): Rename to...
4177         (GOT_VERSION_REGNUM): ...this.
4178         (type): Add "ghost" value.  Add an associated insn reservation.
4179         (hazard_set): Remove.
4180         (exception_receiver): Rename to...
4181         (restore_gp): ...this and update the unspec identifier accordingly.
4182         (exception_receiver, nonlocal_got_receiver): New expanders.
4183         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4184         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4185         (set_got_version, update_got_version): New patterns.
4187 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4189         PR target/34970
4190         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4192 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4194         PR other/31955
4195         * doc/install.texi2html: Generate gcc-vers.texi.
4197 2008-01-25  DJ Delorie  <dj@redhat.com>
4199         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4201 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4203         * config/c4x: Remove directory.
4204         * config.gcc (crx-*, mt-*): Mark obsolete.
4205         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4206         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4207         sh-*-rtemscoff*): Remove cases.
4208         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4209         * real.c (encode_c4x_single, decode_c4x_single,
4210         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4211         c4x_extended_format): Remove.
4212         * real.h (c4x_single_format, c4x_extended_format): Remove.
4213         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4214         on C4x.
4215         (Pragmas): Remove comment about c4x pragmas.
4216         * doc/install.texi (c4x): Remove target-specific instructions.
4217         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4218         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4219         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4220         refer to C4x source files as examples.
4221         (C4X_FLOAT_FORMAT): Remove documentation.
4223 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4225         * config/bfin/bfin.c (override_options): Reorder tests so that
4226         flag_pic gets enabled for -msep-data.
4228 2008-01-25  Richard Guenther  <rguenther@suse.de>
4230         PR middle-end/32244
4231         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4232         to its bitfield precision if required.
4234 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4236         PR middle-end/33880
4237         * tree-nested.c (walk_omp_for): New function.
4238         (convert_nonlocal_reference, convert_local_reference): Call
4239         walk_omp_for on OMP_FOR.
4240         (convert_call_expr): Call walk_body on OMP_FOR's
4241         OMP_FOR_PRE_INIT_BODY.
4243 2008-01-25  Richard Guenther  <rguenther@suse.de>
4245         PR tree-optimization/34966
4246         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4247         default defs and PHI_NODEs we have to insert after the
4248         defining statement.
4250 2008-01-24  Nick Clifton  <nickc@redhat.com>
4252         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4253         Provide a default definition.
4254         (LIBGCC2_UNITS_PER_WORD): Likewise.
4256         * config/stormy16/stormy16.c: Include df.h for the prototype
4257         for df_regs_ever_live_p.
4258         (xstormy16_expand_builtin_va_start): Convert the stack offset
4259         into a component_ref and then use POINTER_PLUS_EXPR to add it
4260         to the incoming_virtual_args_rtx.
4261         (xstormy16_gimplify_va_arg_expr): Rename to
4262         xstormy16_gimplify_va_arg_expr.
4263         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4264         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4265         xstormy16_gimplify_va_arg_expr.
4266         Fix up some formatting issues.
4268         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4269         Move to predicates.md.
4270         (xs_hi_general_operand): Likewise.
4271         (xs_hi_nonmemory_operand): Likewise.
4272         * config/stormy16/predicates.md:
4273         (xstormy16_carry_plus_operand): New predicate.
4274         (xs_hi_general_operand): New predicate.
4275         (xs_hi_nonmemory_operand): New predicate.
4276         * config/stormy16/stormy16-protos.h:
4277         (xstormy16_carry_plus_operand): Delete prototype.
4278         (xs_hi_general_operand): Likewise.
4279         (xs_hi_nonmemory_operand): Likewise.
4281         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4282         modifiers as they are no longer needed and they can trigger
4283         reload spill failures.
4285         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4286         with a match_operand in order to help reload.
4288         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4289         constraint with 'e' for the 8th alternative as this version of
4290         the mov.w instruction only accepts the lower 8 registers.
4292 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4294         PR target/34856
4295         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4296         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4297         vector elements.
4299 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4301         PR middle-end/33333
4302         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4304 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4306         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4307         New functions.
4308         (remove_structure): Update allocations list before removing structure.
4309         
4310 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4312         * ipa-struct-reorg.c (is_safe_cond_expr, 
4313         create_new_stmts_for_cond_expr): Use integer_zerop function,
4314         that recognize not only zero-pointer, but zero-integer too.
4316 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4318         PR other/22232
4319         * fixproto: Escape "." in sed expression that strips leading "./".
4321 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4323         PR driver/34904
4324         * gcc.c (SWITCH_OK): Removed.
4325         (SWITCH_LIVE): Changed to bit.
4326         (SWITCH_FALSE): Likewise.
4327         (SWITCH_IGNORE): Likewise.
4328         (switchstr): Change live_cond to unsigned int.
4329         (process_command): Replace SWITCH_OK with 0.
4330         (do_self_spec): Likewise.
4331         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4332         (give_switch): Likewise.
4333         (used_arg): Likewise.
4334         (do_spec_1): Set the SWITCH_IGNORE bit.
4335         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4336         bits.  Set the SWITCH_LIVE bit.
4338 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4340         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4342 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4344         PR tree-optimization/34472
4345         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4346         parameter to a "bool *" and set *DATA to false if there is
4347         an unsafe access.  Do not delete the structure here.
4348         (check_cond_exprs): Delete it here instead.
4349         (check_cond_exprs, exclude_cold_structs): Do not increase
4350         I when removing a structure.
4352 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4354         PR target/34856
4355         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4356         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4358 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4360         PR middle-end/34934
4361         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4362         a fixed vector for stack.
4364 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4366         PR c++/25701
4367         * doc/gcc.texi (Software development): Add a direntry for g++.
4368         
4369 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4371         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4372         stale and straggling -fforce-addr comments above.
4374         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4375         define.
4376         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4377         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4379 2008-01-23  Michael Matz  <matz@suse.de>
4381         PR debug/34895
4382         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4383         gen_type_die.
4385 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4387         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4388         malloc result type.
4390 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4392         * config/avr/avr.c (avr_current_arch): New variable.
4393         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4394         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4395         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4396         (avr_override_options): Init 'avr_current_arch'. 
4397         (base_arch_s): Move from here...
4398         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4399         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4400         'mega' to 'have_jmp_call'.
4401         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4402         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4403         macros.
4404         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4405         architectures.
4406         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4407         MULTILIB_MATCHES): (Ditto.).
4409 2008-01-23  Richard Guenther  <rguenther@suse.de>
4411         PR middle-end/31529
4412         * cgraphunit.c (cgraph_reset_node): Always mark the node
4413         not reachable if it is not queued already.
4415 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4417         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4418         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4419         (cputype_selected): New static variable.
4420         (bfin_handle_option): Set it if -mcpu is used.
4421         (override_option): Select default set of workarounds if no cpu type
4422         selected on the command line.
4423         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4425         From  Michael Frysinger  <michael.frysinger@analog.com>
4426         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4427         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4429         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4430         for bf547, bf523, bf524, and bf526.
4431         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4432         bf526.
4433         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4434         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4435         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4436         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4437         * doc/invoke.texi (Blackfin Options): Document that
4438         -mcpu now accept bf547, bf523, bf524, and bf526.
4440 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4442         PR rtl-optimization/34628
4443         * combine.c (try_combine): Stop and undo after the first combination
4444         if an autoincrement side-effect on the first insn has effectively
4445         been lost.
4447 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4449         PR target/34529
4450         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4451         Offset addresses are not valid for Altivec or paired float modes.
4453 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4455         PR c++/34607
4456         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4457         if DECL_INITIAL (decl) is error_mark_node.
4459         PR c++/34914
4460         * c-common.c (handle_vector_size_attribute): Only allow
4461         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4462         the same way as pointer, array etc. types.
4463         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4465         PR c++/34917
4466         * tree.c (build_type_attribute_qual_variant): Call
4467         build_qualified_type if attributes are equal, but quals are not.
4469 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4471         PR 32102
4472         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4473         * flags.h (warn_strict_aliasing): Remove.
4474         (warn_strict_overflow): Remove.
4475         * opts.c (warn_strict_aliasing): Remove.
4476         (warn_strict_overflow): Remove.
4477         * c-opts.c (c_common_handle_option): -Wall only sets
4478         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4479         (c_common_post_options): Give default values to -Wstrict-aliasing
4480         and -Wstrict-overflow if they are uninitialized.
4481         * common.opt (Wstrict-aliasing): Specify Var and Init.
4482         (Wstrict-overflow): Likewise.
4484 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4486         PR rtl-optimization/26854
4487         PR rtl-optimization/34400
4488         PR rtl-optimization/34884
4489         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4490         DF_RD->gen.
4491         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4492         (df_rd_bb_info.expanded_lr_out): Deleted
4493         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4494         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4495         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4496         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4497         Removed code to allocate, initialize or free expanded_lr_out.
4498         (df_rd_bb_local_compute_process_def): Restructured to make more
4499         understandable.
4500         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4501         sets if the sets are being trimmed.
4503 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4505         PR bootstrap/32287
4506         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4507         (as_vers): Likewise.
4508         * configure: Regenerated.
4510 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4512         PR middle-end/33092
4513         * tree-pass.h (pass_build_alias): New pass.
4514         * tree-ssa-alias.c (gate_build_alias): New.
4515         (pass_build_alias): New.
4516         * passes.c (init_optimization_passes): Add pass_build_alias after
4517         pass_create_structure_vars.
4519 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4521         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4522         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4523         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4524         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4525         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4526         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4527         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4528         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4529         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4530         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4531         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4532         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4533         * config/s390/s390.md (FP_ALL): New mode iterator.
4534         (_d): New mode attribute.
4535         ("*signbit<mode>2>"): Changed mode of first operand.
4536         ("isinf<mode>2"): Changed mode of first operand.
4537         ("*TDC_insn"): Adaptation for DFP modes.
4539 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4541         * tree.c (check_qualified_type): Improve function description.
4543 2008-01-21  Jason Merrill  <jason@redhat.com>
4545         PR c++/34196
4546         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4547         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4548         if it is set.
4550 2008-01-21  DJ Delorie  <dj@redhat.com>
4552         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4553         return zero.
4555 2008-01-21  Richard Guenther  <rguenther@suse.de>
4557         PR middle-end/34856
4558         * tree-cfg.c (verify_expr): Allow all invariant expressions
4559         instead of just constant class ones as reference argument.
4560         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4561         like any other constant.
4562         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4564 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4566         * regmove.c (fixup_match_1): Update call crossed frequencies.
4568 2008-01-21  Richard Guenther  <rguenther@suse.de>
4570         PR c/34885
4571         * tree-inline.c (setup_one_parameter): Deal with mismatched
4572         types using a VIEW_CONVERT_EXPR.
4574 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4575             Olga Golovanevsky  <olga@il.ibm.com>
4576         
4577         PR tree-optimization/34701
4578         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4579         when the structure size is not a power of 2.
4581 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4583         * doc/install.texi: Add doc for --enable-checking=df.
4584         
4585 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4587         PR rtl-optimization/34808
4588         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4590 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4592         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4593         input.
4595 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4597         PR rtl-optimization/26854
4598         PR rtl-optimization/34400
4599         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4600         DF_RD->gen.
4601         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4602         (df_rd_bb_info.expanded_lr_out): New.
4603         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4604         * loop_iv.c (iv_analysis_loop_init): Ditto.
4605         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4606         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4607         Added code to allocate, initialize or free expanded_lr_out.
4608         (df_rd_bb_local_compute_process_def): Restructured to make
4609         more understandable.
4610         (df_rd_confluence_n): Add code to do nothing with fake edges and
4611         code to no apply invalidate_by_call sets if the sets are being trimmed.
4612         (df_lr_local_finalize): Renamed to df_lr_finalize.
4613         (df_live_local_finalize): Renamed to df_live_finalize.
4615 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4617         PR target/34831
4618         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4619         deciding whether to use reciprocal instructions.
4621 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4623         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4624         dwarf2out_note_section_used if cold_text_section is NULL.
4626 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4628         PR gcov-profile/34610
4629         * tree-cfg.c (make_edges): Mark both outgoing edges from
4630         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4631         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4632         from OMP_FOR and OMP_CONTINUE outgoing edges.
4634         * tree-profile.c (tree_profiling): Return early if
4635         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4636         at the end.
4637         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4638         from cfun to child_cfun.
4639         * function.h (struct function): Add after_tree_profile bit.
4641 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4643         * config/avr/avr.S (_exit): Disable interrupt.
4645 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4646             Steven Bosscher  <stevenb.gcc@gmail.com>
4648         PR rtl-optimization/26854
4649         PR rtl-optimization/34400
4650         * df-problems.c (df_live_scratch): New scratch bitmap.
4651         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4652         (df_live_reset): Clear the proper bitmaps.
4653         (df_live_bb_local_compute): Only process the artificial defs once
4654         since the order is not important.
4655         (df_live_init): Init the df_live sets only with the variables
4656         found live by df_lr.
4657         (df_live_transfer_function): Use the df_lr sets to prune the
4658         df_live sets as they are being computed.  
4659         (df_live_free): Free df_live_scratch.
4661 2008-01-18  Ian Lance Taylor  <iant@google.com>
4663         * common.opt: Add fmerge-debug-strings.
4664         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4665         flag_merge_debug_strings rather than flag_merge_constants.
4666         * doc/invoke.texi (Option Summary): Mention
4667         -fmerge-debug-strings.
4668         (Debugging Options): Document -fmerge-debug-strings.
4670 2008-01-18  Ian Lance Taylor  <iant@google.com>
4672         PR c++/33407
4673         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4674         (struct tree_function_decl): Add new field operator_new_flag.
4675         * tree-inline.c (expand_call_inline): When inlining a call to
4676         operator new, force the return value to go into a variable, and
4677         set DECL_NO_TBAA_P on that variable.
4678         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4680 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4682         PR debug/34484
4683         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4684         DWARF2_DEBUGGING_INFO.
4685         (dwarf2out_note_section_used): Ditto.  Add prototype.
4686         (have_multiple_function_sections, text_section_used,
4687         cold_text_section_used, *cold_text_sections): Move declarations
4688         before their uses.
4690 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4692         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4693         field and add signal_ra.
4694         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4695         assignments to frame state pc.  Move end of stack check after
4696         MD_FALLBACK_FRAME_STATE_FOR.
4697         (uw_update_context_1): Use frame state signal_regs if set, instead
4698         of checking signal_frame flag.
4699         (uw_update_context): Use frame state signal_ra if set.
4700         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4701         * config/xtensa/linux-unwind.h: New file.
4703 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4705         * modulo-sched.c (get_sched_window): Fix comment typo.
4707 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4709         PR tree-optimization/34648
4710         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4712 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4714         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4715         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4717 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4719         PR rtl-optimization/34400
4720         * df-core.c (df_worklist_dataflow_overeager,
4721         df_worklist_dataflow_doublequeue): New functions.
4722         (df_worklist_dataflow): Two different worklist solvers.
4723         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4724         New param.
4726 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4728         PR testsuite/34821
4729         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4730         and ftree-parallelize-loops.
4732 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4734         PR rtl-optimization/34826
4735         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4737 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4739         * global.c (find_reg): Mark the eh regs as used if necessary.
4740         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4741         * ra.h (struct allocno): no_eh_reg field added.  Changed
4742         no_stack_reg type to bitfield.
4744 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4746         * tree.c (substitute_in_expr): Add missing 'break'.
4748 2008-01-17  Richard Guenther  <rguenther@suse.de>
4750         PR tree-optimization/34825
4751         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4752         x / x as division to handle.
4754 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4756         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4757         "-pthread" is specified.
4758         * pa-hpux11.h (LIB_SPEC): Likewise.
4760 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4761             Peter Bergner  <bergner@vnet.ibm.com>
4763         PR rtl-optimization/33796
4764         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4766 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4768         PR libgfortran/34699
4769         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4770         static links.
4771         * pa-hpux10.h (LINK_SPEC): Likewise.
4772         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4774 2008-01-16  Richard Guenther  <rguenther@suse.de>
4776         PR middle-end/32628
4777         * fold-const.c (fold_convert_const_int_from_int): Do not
4778         set overflow if that occured only because of a sign extension
4779         change when converting from/to a sizetype with the same
4780         precision and signedness.
4782 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4784         PR debug/34249
4785         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4786         location address to the correct place.  Update copyright year.
4788 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4790         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4791         no dependences in the dependence_relations vector.
4793 2008-01-16  Jan Hubicka  <jh@suse.cz>
4795         PR rtl-optimization/31396
4796         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4797         * cfg.c (dump_reg_info): Print it.
4798         * regs.h (struct reg_info_t): add freq_calls_crossed.
4799         (REG_FREQ_CALLS_CROSSED): New macro.
4800         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4801         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4802         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4803         regmove_optimize): Update call crossed frequencies.
4804         * local-alloc.c (struct qty): Add freq_calls_crossed.
4805         (alloc_qty): Copute freq_calls_crossed.
4806         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4807         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4808         * ra.h (struct allocno): Add freq_calls_crossed.
4810 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4812         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4813         libgomp when compiling with ftree-parallelize-loops.
4814         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4816 2008-01-16  Richard Guenther  <rguenther@suse.de>
4818         PR tree-optimization/34769
4819         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4820         * tree.c (int_cst_value): Instead make this function more
4821         permissive in what it accepts as valid input.  Document this
4822         function always sign-extends the value.
4824 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4825             Richard Guenther  <rguenther@suse.de>
4827         PR c/34668
4828         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4829         (gimple_fold_indirect_ref_rhs): ... this.
4830         (gimple_fold_indirect_ref): New function with foldings
4831         that preserve lvalueness.
4832         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4833         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4834         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4835         to fold an INDIRECT_REF, fall back to the old use of
4836         fold_indirect_ref_1.
4838 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4840         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4841         free_conflict_function.
4842         (compute_self_dependence): Same.
4844 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4846         PR debug/34249
4847         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4848         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4849         function global.
4850         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4851         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4852         for DWARF2_UNWIND_INFO targets.
4854 2008-01-16  Richard Guenther  <rguenther@suse.de>
4856         PR c/34768
4857         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4858         type qualifiers for function types.
4860 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4862         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4863         loop_iterator li from previous commit.
4865 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4867         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4869 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4871         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4872         (parallelize_loops): Don't parallelize irreducible components.
4874 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4876         PR c++/24924
4877         * c-opts (c_common_post_options): Do not enable CPP
4878         flag_pedantic_errors by default.
4879         
4880 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4882         PR rtl-optimization/31944
4883         * cse.c (remove_pseudo_from_table): New function.
4884         (merge_equiv_classes): Use above function to remove pseudo-registers.
4885         (invalidate): Likewise.
4887 2008-01-13  Richard Guenther  <rguenther@suse.de>
4889         PR middle-end/34601
4890         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4891         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4893 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4895         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4896         validate_change to unshare the source of the PC set.
4898 2008-01-12  Jan Hubicka  <jh@suse.cz>
4900         PR middle-end/32135
4901         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4902         references above array bounds.  This might trigger bounds checks for
4903         pointers to arrays.
4905 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4907         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4908         new_replaceable_dependencies.
4910 2008-01-12  Doug Kwan  <dougkwan@google.com>
4912         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4913         instead of OPT_Wreturn_type in warning due to ignored return type
4914         qualifiers.
4915         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4916         options included in -Wextra.
4917         * c.opt: New option -Wignored_qualifiers.
4918         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4919         -Wignore_qualifiers.
4920         (-Wignored-qualifiers): Document.
4921         (-Wreturn-type): Remove description of functionality now handled
4922         by -Wignored-qualifiers.
4924 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4926         PR ada/33788
4927         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4928         NOP_EXPR if it is between integral types with the same precision.
4930 2008-01-12  Jan Hubicka  <jh@suse.cz>
4932         PR other/28023
4933         * invoke.texi (max-inline-recursive-depth): Fix default value.
4935 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4937         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4938         correct type.
4940 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4941         
4942         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4943         
4944 2008-01-11  James E. Wilson  <wilson@specifix.com>
4946         PR target/26015
4947         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4949 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4951         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4952         save/restore frame pointer register and don't use 'call-prologues' 
4953         optimization in function with "OS_task" attribute.
4955 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4957         PR middle-end/31309
4958         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4959         when copying to memory.
4961 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4963         PR rtl-optimization/30905
4964         * cfgcleanup.c: Include dce.h
4965         (crossjumps_occured): New global variable.
4966         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4967         If something changed, set crossjumps_occured to true.
4968         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4969         Don't add/remove fake edges to exit here...
4970         (cleanup_cfg): ...but do it here, when crossjumping.
4971         Run a fast DCE when successful crossjumps occured in the latest
4972         iteration of try_optimize_cfg.
4974 2008-01-11  Richard Guenther  <rguenther@suse.de>
4976         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4977         (struct vn_unary_op_s): Likewise.
4978         (vn_reference_insert): Free old reference on hash collision.
4980 2008-01-10  Raksit Ashok  <raksit@google.com>
4982         PR rtl-optimization/27971
4983         * combine.c (find_split_point): Split PLUS expressions which are
4984         inside a MEM rtx, and whose first operand is complex.
4986 2008-01-10  DJ Delorie  <dj@redhat.com>
4988         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4989         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4990         (m32c_hard_regno_ok): Call the underlying function.
4992 2008-01-10  Richard Guenther  <rguenther@suse.de>
4994         PR middle-end/34683
4995         * tree-cfg.c (tree_merge_blocks): Do not go through the
4996         full-blown folding and stmt updating path if we just deal
4997         with virtual operands.
4998         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4999         test for abnormal SSA_NAMEs.
5001 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5003         PR middle-end/34641
5004         * reload.c (push_reload): Add assertions.  All constants from
5005         reg_equiv_constant should have been used for replacing the respective
5006         pseudo earlier.
5007         (find_reloads_address): Invoke find_reloads_address_part for
5008         constant taken from the reg_equiv_constant array.
5010 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5012         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5013         field (valnum) the first in the struct.  Replace bools with
5014         unit bit fields.
5016 2008-01-10  Richard Guenther  <rguenther@suse.de>
5018         PR tree-optimization/34651
5019         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5020         types and ordering for masking and converting.
5022 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5024         PR tree-optimization/34017
5025         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5026         also for PHI_NODE expressions.
5028 2008-01-09  Jan Hubicka  <jh@suse.cz>
5030         PR tree-optimization/34708
5031         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5032         based on number of case labels.
5033         (init_inline_once): Remove switch_cost.
5034         * tree-inline.h (eni_weights_d): Remove switch_cost.
5036 2008-01-09  Richard Guenther  <rguenther@suse.de>
5037         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5039         PR middle-end/30132
5040         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5041         temporary if an rvalue is ok or an lvalue is not required.
5043 2008-01-09  Richard Guenther  <rguenther@suse.de>
5045         PR middle-end/34458
5046         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5047         adjust return type.
5049 2008-01-09  Richard Guenther  <rguenther@suse.de>
5051         PR middle-end/34679
5052         * tree.c (host_integerp): Check for sizetype only if the
5053         type is an integer type.
5055 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5057         PR debug/26364
5058         * opts.c (decode_options): Disable inlining of functions called
5059         once if not in unit-at-a-time mode.
5061 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5063         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5065 2008-01-08  Richard Guenther  <rguenther@suse.de>
5067         PR middle-end/31863
5068         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5069         out early if the result will be unused.
5071 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5073         PR target/34709
5074         Revert:
5076         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5077         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5078         for TARGET_RECIP.       
5079         
5080 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5081         
5082         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5083         for vectorization tuned.
5084         
5085 2008-01-08  Richard Guenther  <rguenther@suse.de>
5087         PR tree-optimization/34683
5088         * tree-ssa-operands.c (operand_build_cmp): Export.
5089         * tree-ssa-operands.h (operand_build_cmp): Declare.
5090         * tree-vn.c (vuses_compare): Remove.
5091         (sort_vuses): Use operand_build_cmp.
5092         (sort_vuses_heap): Likewise.
5093         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5094         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5095         (vdefs_to_vec): Do not sort already sorted VDEFs.
5097 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5099         PR middle-end/34694
5100         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5102 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5104         PR target/34702
5105         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5106         limitations of reciprocal sequences on x86 targets.
5108 2008-01-08  Richard Guenther  <rguenther@suse.de>
5110         PR tree-optimization/34683
5111         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5113 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5115         PR target/34622
5116         * config/darwin.c (darwin_mergeable_string_section): Don't use
5117         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5119 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5121         PR target/34682
5122         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5123         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5124         predicates of op0 and op1 to register_operand.
5125         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5126         expander using X87MODEF mode iterator.  Change predicates of
5127         op0 and op1 to register_operand.
5128         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5129         corresponding patterns and macroize using MODEF macro.  Change
5130         predicates of op0 and op1 to register_operand and remove
5131         "m" constraint. Disparage "r" alternative with "!".
5132         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5133         macroize using X87MODEF macro.  Change predicates of op0 and op1
5134         to register_operand and remove "m" constraint.  Disparage "r"
5135         alternative with "!".
5136         (absneg splitter with memory operands): Remove.
5137         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5138         patterns and macroize using X87MODEF mode iterator.
5139         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5140         Change predicate of op1 to register_operand.
5141         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5142         for memory operands.
5144 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5146         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5148 2008-01-07  Richard Guenther  <rguenther@suse.de>
5150         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5151         fields.
5153 2008-01-07  Richard Guenther  <rguenther@suse.de>
5155         PR tree-optimization/34683
5156         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5157         VOPs of the needed size to save memory.  Use VEC_quick_push
5158         to save compile-time.
5159         (vdefs_to_vec): Likewise.
5161 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5163         * config/spu/spu.md (divdf3): Genetate inline code for double
5164         division.  The implementation doesn't handle INF or NAN, therefore it
5165         only applies when -ffinite-math-only is given.
5167 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5169         PR libstdc++/34680
5170         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5171         * doc/cpp.texi ([Common Predefined Macros]): Document.
5173 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5175         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5176         order to use commutative addition instead of subtraction.
5178 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5179             Mircea Namolaru  <namolaru@il.ibm.com>
5180             Vladimir Yanovsky  <yanov@il.ibm.com>
5181             Revital Eres  <eres@il.ibm.com>
5183         PR tree-optimization/34263
5184         * tree-outof-ssa.c (process_single_block_loop_latch,
5185         contains_tree_r): New functions.
5186         (analyze_edges_for_bb): Call process_single_block_loop_latch
5187         function to empty single-basic-block latch block if possible.
5189 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5191         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5192         for TARGET_RECIP.
5193         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5195 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5197         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5199 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5201         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5203 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5205         PR tree-optimization/34618
5206         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5207         flag from T.
5209 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5211         PR target/34673
5212         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5213         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5214         Update copyright year.
5216         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5217         Update copyright year.
5218         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5219         using NR fixup.
5221 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5223         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5224         edge does not point to current bb before changing need_assert.
5226 2008-01-04  Richard Guenther  <rguenther@suse.de>
5228         PR middle-end/34029
5229         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5230         for verifying purposes if they are is_gimple_min_invariant.
5232 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5234         PR tree-optimization/34448
5235         PR tree-optimization/34465
5236         * gimplify.c (gimplify_init_constructor): Add new parameter
5237         notify_temp_creation.  Use it.
5238         (gimplify_modify_expr_rhs): Take volatiles into account when
5239         optimizing constructors.
5240         Do not optimize constructors if gimplify_init_constructor will dump to
5241         memory.
5242         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5243         * gcc.c-torture/compile/pr34448.c: New.
5245 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5247         PR gcov-profile/34609
5248         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5249         return_slot if result is TREE_ADDRESSABLE.
5251 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5253         * config/mips/mips.md (sqrt_condition): Tweak comment.
5254         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5256 2008-01-03  Tom Tromey  <tromey@redhat.com>
5258         PR c/34457
5259         * c-common.c (c_type_hash): Handle VLAs.
5261 2008-01-03  Jan Hubicka  <jh@suse.cz>
5263         PR tree-optimization/31081
5264         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5265         0 when inlining and not inlining to first basic block.
5266         (remap_decl): When var is initialized to 0, don't set default_def.
5267         (expand_call_inline): Set entry_bb.
5268         * tree-inline.h (copy_body_data): Add entry_bb.
5270 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5272         PR c++/34619
5273         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5274         before returning.
5276         PR tree-optimization/29484
5277         * tree-inline.c (inline_forbidden_p_2): New function.
5278         (inline_forbidden_p): Disallow inlining if some static var
5279         has an address of a local LABEL_DECL in its initializer.
5280         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5281         vs. inlining.
5283 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5285         PR tree-optimization/34635
5286         * tree-data-ref.c (add_other_self_distances): Make sure that the
5287         evolution step is constant.
5289 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5291         PR middle-end/34608
5292         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5294 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5296         * tree-sra.c (scalarize_init): Insert the generate_element_init
5297         statements after the generate_element_zero statements.
5299 2008-01-02  Richard Guenther  <rguenther@suse.de>
5301         PR middle-end/34093
5302         PR middle-end/31976
5303         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5304         for very large number of operands instead of ICEing.
5306 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5308         PR target/34013
5309         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5310         while stack probing.
5312 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5314         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5315         in C++0x mode.
5317 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5319         PR libmudflap/26442
5320         * tree-mudflap.c (mx_register_decls): Guard warning by
5321         !DECL_ARTIFICIAL check.
5323 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5325         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5326         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5327         sse5_perm<mode>): Fix constraints.