| blob | 97ec80cda0397714cc99be0b7a35b61cb86ceaeb |
1 2006-05-29 Roger Sayle <roger@eyesopen.com>
3 PR tree-optimization/24964
4 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7 abs(x)*abs(x) as x*x for scalar floating point modes.
9 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11 PR middle-end/27745
12 * lambda-code.c (perfect_nestify): Don't copy statements
13 in the inner loop: move them to the inner loop header.
15 2006-05-29 Diego Novillo <dnovillo@redhat.com>
17 PR 26237
18 * c-tree.texi: Document OpenMP directives and clauses.
20 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
22 * varasm.c (globalize_decl): Fix indentation.
24 2006-05-29 Diego Novillo <dnovillo@redhat.com>
26 PR 26242
27 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
28 pass_fre, pass_store_ccp, pass_copy_prop,
29 pass_store_copy_prop, pass_merge_phi, pass_nrv,
30 pass_return_slot, pass_object_size, pass_lim,
31 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
32 pass_loop_prefetch and pass_stdarg.
34 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
36 * config/bfin/bfin.opt (mfdpic): New option.
37 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
38 (EXTRA_MULTILIB_PARTS): Likewise.
39 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
40 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
41 multilib.
42 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
43 (CRT_CALL_STATIC_FUNCTION): New.
44 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
45 -shared.
46 (CRT_CALL_STATIC_FUNCTION): New.
47 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
48 FD-PIC moves.
49 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
50 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
51 (initialize_trampoline): Changed to handle FD-PIC code generation.
52 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
53 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
54 (override_options): Disallow -mid-shared-library -mfdpic combination.
55 Can't do unaligned ops if FD-PIC.
56 Turn off flag_pic if trying to generate non-id-shared-library
57 non-fdpic code, since it's not supported.
58 (bfin_assemble_integer): New function.
59 (TARGET_ASM_INTEGER): Define.
60 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
61 __BFIN_FDPIC__.
62 * config/bfin/crtn.s: Restore them.
63 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
64 if TARGET_FDPIC.
65 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
66 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
67 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
68 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
69 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
70 call-used.
71 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
72 FDPIC_REGS and FDPIC_FPTR_REGS.
73 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
74 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
75 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
76 (load_funcdescsi): New pattern.
77 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
78 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
79 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
81 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
83 * gcse.c, rtlanal.c: Remove obsolete comments associated with
84 loop.c.
86 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
88 * tree-flow.h: Remove the prototype for add_type_alias.
89 * tree-ssa-alias.c (add_type_alias): Remove.
91 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
93 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
94 config/fr30/fr30.md, config/i386/i386-interix.h,
95 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
96 config/sh/superh64.h, config/v850/v850.c, df-core.c,
97 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
98 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
99 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
100 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
101 Follow spelling conventions.
102 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
103 Follow spelling conventions.
105 2006-05-27 Richard Guenther <rguenther@suse.de>
107 PR middle-end/27773
108 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
109 to produce a constant of value 1 of generic type.
111 2006-05-27 Dirk Mueller <dmueller@suse.de>
113 * cgraphunit.c (decide_is_function_needed): Fix wrong
114 PR reference.
116 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
118 PR rtl-optimization/27661
119 * reload.c (find_reloads): When reloading a VOIDmode constant
120 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
121 use Pmode as mode of the reload register.
123 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
125 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
126 is enabled at -O and above.
128 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
130 PR target/27571
131 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
132 table data.
134 2006-05-25 Mark Mitchell <mark@codesourcery.com>
136 PR c++/20103
137 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
138 for anonymous variables explicitly declared by front ends.
140 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
142 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
143 (struct alias_info): Add new field ref_all_symbol_mem_tag.
144 * tree-ssa-alias.c (compute_may_aliases): If the program contains
145 ref-all pointers, run a finalization pass for them.
146 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
147 (finalize_ref_all_pointers): New function.
148 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
149 regular pointer type to a ref-all pointer type.
150 (get_tmt_for): Return the special memory tag for ref-all pointers.
152 2006-05-25 Richard Guenther <rguenther@suse.de>
154 PR middle-end/27743
155 * fold-const.c (fold_binary): Do not look at the stripped
156 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
158 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
160 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
161 for LT and GT if the computed range is effectively empty.
163 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
165 PR target/27627
166 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
167 mips_quad_format formats instead of ieee_single_format,
168 ieee_double_format and ieee_quad_format formats, respectively.
170 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
172 PR tree-optimization/27639
173 PR tree-optimization/26719
174 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
175 call to scev_probably_wraps_p.
176 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
177 used_in_pointer_arithmetic_p, convert_step): Removed.
178 (nowrap_type_p): New function.
179 (scev_probably_wraps_p): Rewritten.
180 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
181 chrec_convert if chrec_convert_aggressive might have been used.
182 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
183 scev_direction): New functions.
184 (chrec_convert): Changed to a wrapper over chrec_convert_1.
185 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
186 instead of convert_step.
187 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
188 (convert_step): Declaration removed.
189 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
191 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
193 * df-core.c: Added to header comments.
194 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
195 df_ur_bb_info, df_urec_bb_info): Added comments.
196 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
197 urec, ri problems): Fixed header comments.
198 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
199 code from df_rd_transfer_function.
201 2006-05-23 Richard Sandiford <richard@codesourcery.com>
203 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
204 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
205 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
207 2006-05-23 Joseph Myers <joseph@codesourcery.com>
209 * expr.c (undefined_operand_subword_p): New.
210 (emit_move_multi_word): Do not generate move from undefined bits
211 of a paradoxical subreg.
213 2006-05-23 Richard Sandiford <richard@codesourcery.com>
215 PR rtl-optimization/27736
216 * combine.c (replaced_rhs_value): New variable.
217 (combine_instructions): Set it.
218 (distribute_notes): When distributing a note in replaced_rhs_insn,
219 check whether the value was used in replaced_rhs_value.
221 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
223 PR c++/26757
224 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
225 add_referenced_var instead of add_referenced_tmp_var.
226 * tree-complex.c (create_one_component_var): Use add_referenced_var.
227 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
228 add_referenced_var.
229 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
230 tree_optimize_tail_calls_1): Use add_referenced_var.
231 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
232 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
233 Use add_referenced_var.
234 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
235 * gimplify.c (force_gimple_operand): Use add_referenced_var.
236 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
237 Use add_referenced_var.
238 * tree-dfa.c (struct walk_state): Remove.
239 (find_referenced_vars): Remove walk state and vars_found hash table.
240 (make_rename_temp): Use add_referenced_var.
241 (find_vars_r): Pass less parameters to add_referenced_var.
242 (referenced_var_p): New. Is var in referenced_var hash table.
243 (referenced_var_insert): Assert var isn't already in hash table.
244 (add_referenced_var): Don't need walk_state parameter. Add var if it
245 isn't already in the hash table.
246 (add_referenced_tmp_var): Remove.
247 (find_new_referenced_vars_1): Use add_referenced_var.
248 * tree-ssa-pre.c (create_expression_by_pieces,
249 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
250 Use add_referenced_var.
251 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
252 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
253 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
254 add_referenced_var.
255 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
256 vect_create_data_ref_ptr, vect_create_destination_var,
257 vect_init_vector, vect_build_loop_niters,
258 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
259 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
260 Use add_referenced_var.
261 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
262 * tree-flow.h (add_referenced_tmp_var): Remove prototype
263 (add_referenced_var): Add prototype.
264 * tree-ssa-structalias.c (get_constraint_for,
265 intra_create_variable_infos): Use add_referenced_var.
267 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
269 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
270 big-endian paradoxical subregs.
271 * var-tracking.c (struct micro_operation_def): Document that,
272 for modify micro operations, insn is the subsequent instruction.
273 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
274 (var_reg_set, var_mem_set): ... new functions.
275 (add_stores): Record subsequent insn.
276 (compute_bb_dataflow): Use new functions for MO_USE.
277 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
278 notes after the insn, and modify notes before the insn known
279 to be the subsequent one.
280 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
282 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
284 PR target/27696
285 * config/i386/i386.c (ix86_expand_builtin): Use
286 gen_sse3_monitor64 for TARGET_64BIT.
288 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
290 PR rtl-optimization/26375
291 PR rtl-optimization/26855
292 * df-problems (df_ru_bb_local_compute_process_def): Removed update
293 to gen set.
294 (df_ru_bb_local_compute): Reversed statements and removed bogus
295 comment explaining why they should be in wrong order.
296 (df_ru_dump, df_rd_dump): Enhanced debug info.
297 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
298 debug info.
299 * ddg.c (add_deps_for_def): Converted use of reaching defs to
300 reaching uses and fixed space problem.
302 2006-05-23 Jan Hubicka <jh@suse.cz>
304 * cgraphunit.c (decide_is_function_needed): Also nested functions
305 and functions declared inline can be optimized out at -O0.
307 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
309 * doc/install.texi (Configuration): Remove reference to CrossGCC
310 FAQ which was hijacked.
311 (Building): Ditto.
313 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
315 PR target/27266
316 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
317 ix86_compare_emitted is non-NULL.
319 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
321 PR c++/27451
322 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
323 clobbers.
325 2006-05-22 Richard Sandiford <richard@codesourcery.com>
327 PR rtl-optimization/25514
328 * combine.c (replaced_rhs_insn): New variable.
329 (combine_instructions): Set replaced_rhs_insn when trying to replace
330 a SET_SRC with a REG_EQUAL note.
331 (distribute_notes): Use replaced_rhs_insn when determining the live
332 range of a REG_DEAD register.
334 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
335 Anatoly Sokolov <aesok@post.ru>
337 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
338 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
339 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
340 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
341 atmega3290, atmega649, atmega6490, atmega406, atmega640,
342 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
343 at90usb647, at90usb1286 and at90usb1287 devices.
344 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
345 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
347 2006-05-22 Richard Sandiford <richard@codesourcery.com>
349 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
351 2006-05-22 Richard Guenther <rguenther@suse.de>
353 Revert
354 2006-01-31 Richard Guenther <rguenther@suse.de>
355 Paolo Bonzini <bonzini@gnu.org>
357 * doc/install.texi (--disable-libgcc-math): Document.
359 2006-05-22 Richard Guenther <rguenther@suse.de>
361 Revert
362 2006-01-31 Richard Guenther <rguenther@suse.de>
364 * doc/invoke.texi (-msselibm): Document.
365 * target.h (expand_library_builtin): New target hook.
366 * builtins.c (expand_builtin): Use expand_library_builtin.
367 (default_expand_library_builtin): New function.
368 * gcc.c (LINK_GCC_MATH_SPEC): Define.
369 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
370 (link_gcc_math_spec): Declare.
371 (static_specs): Add link_gcc_math_spec.
372 * expr.h (default_expand_library_builtin): Declare.
373 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
374 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
375 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
376 * config/i386/i386.opt (msselibm): New target option.
377 * config/i386/i386.c (ix86_builtin_function_variants): New array.
378 (ix86_init_sse_abi_builtins): New function.
379 (ix86_expand_library_builtin): Likewise.
380 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
381 (override_options): Handle error conditions wrt -msselibm.
382 (ix86_builtins): Add function codes for SSE2 ABI builtins.
383 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
384 * doc/extend.texi (__builtin_sse2_*): Document new target specific
385 builtins.
387 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
389 PR c/27420
390 * c-common.c (self_promoting_args_p): Skip erroneous args.
392 PR c/26818
393 * c-decl.c (finish_struct): Skip erroneous fields.
395 2006-05-22 Nick Clifton <nickc@redhat.com>
397 * config/cris/cris.opt (march): Remove VarExists attribute.
398 (max-stackframe=): Likewise.
400 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
402 * doc/rtl.texi: Fix a typo.
403 * see.c: Fix comment typos.
405 * tree-ssa-structalias.h (alias_info): Remove num_references.
407 2006-05-21 Mike Stump <mrs@apple.com>
409 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
410 (BAD2): Add.
411 (darwin_pragma_options): Use BAD instead.
412 (darwin_pragma_unused): Likewise.
413 (darwin_pragma_ms_struct): Likewise.
415 2006-05-21 David Edelsohn <edelsohn@gnu.org>
417 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
419 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
421 PR rtl-optimization/27671
422 * simplify-rtx.c (simplify_relational_operation_1): Fix
423 simplifications of (eq/ne (xor x y) y) and
424 (eq/ne (xor x y) x).
426 PR tree-optimization/26622.
427 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
428 on arg1.
430 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
432 * tree-cfg.c: Prune whitespace.
433 (debug_tree_cfg): Point to correct header containing the
434 TDF_* defines.
436 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
438 PR middle-end/25776
439 * cgraphunit.c (verify_cgraph_node): Typo in error message.
441 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
443 PR middle-end/25776
444 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
445 or sorry count is non zero.
447 2006-05-20 Andreas Schwab <schwab@suse.de>
449 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
451 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
452 Kenneth Zadeck <zadeck@naturalbridge.com>
454 PR rtl-optimization/26855
456 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
457 multiword refs.
458 (df_scan_alloc): Added code to properly handle multiword hard
459 registers and add all_blocks parameter.
460 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
461 code to properly handle multiword hard registers.
462 (df_rescan_blocks): Added code to remove deleted blocks from
463 bitmap.
464 (df_ref_create_structure, df_ref_record): Added code to properly
465 handle subregs.
466 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
467 and set DF_REF_PARTIAL.
468 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
469 (df_uses_record): Added DF_REF_PARTIAL for subreg.
470 (df_scan_add_problem): Added flags parameter.
471 (df_ref_create_structure): Changed switching structure.
472 (df_bb_refs_record): Fixed case where duplicate artificial refs
473 were created. Changed location of flags.
474 (df_record_entry_block_defs): Added code to make stack pointer
475 live in entry block. Refined cases where frame pointer is needed.
476 Changed location of flags.
477 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
478 (df_set_state): Removed function.
479 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
480 df_insn_create_insn_record, df_insn_refs_delete,
481 df_ref_create_structure): Formatting changes.
482 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
483 df_delete_basic_block): New function.
484 (df_init): Changed location of flags.
485 (df_add_problem): Added flags parameter and the way flags are
486 processed.
487 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
488 debug_df_chain): Improved debugging output.
489 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
490 (df_refs_chain_dump): Removed df parameter.
491 (df_iterative_dataflow): Added consistency check.
492 (df_prune_to_subcfg): Made public.
493 (df_analyze_problem): Added blocks_to_init parameter and made
494 public.
495 (df_ref_record, df_bb_refs_record, df_mark_reg,
496 df_record_exit_block_uses): Whitespace changes.
497 (df_dump): Whitespace changes.
498 * df.h: Some reordering to remove forward references.
499 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
500 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
501 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
502 (dataflow.flags): New field.
503 (df.flag): Deleted field.
504 (df_alloc_function): Added additional bitmap parameter.
505 (df_dependent_problem_function): New type.
506 (df_problem.changeable_flags): New field.
507 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
508 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
509 (df_mw_hardreg): New struct.
510 (DF_INSN_UID_MWS): New macro.
511 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
512 parameter.
513 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
514 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
515 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
516 (df_set_state): Removed function.
517 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
518 * df-problems.c (df_chain_dump): Removed df parameter.
519 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
520 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
521 parameter.
522 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
523 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
524 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
525 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
526 DF_REF_MUST_CLOBBER cases.
527 (df_ru_bb_local_compute_process_def,
528 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
529 df_lr_bb_local_compute, df_ur_bb_local_compute,
530 df_chain_create_bb): Made subreg aware.
531 (df_ru_bb_local_compute, df_rd_bb_local_compute,
532 df_lr_bb_local_compute, df_lr_bb_local_compute,
533 df_chain_create_bb): Cleanup to use proper macros.
534 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
535 code to fixup bitvectors.
536 (df_ri_alloc): Cleared lifetime.
537 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
538 df_create_unused_note): New function.
539 (df_ri_bb_compute, df_ri_compute): Added code to create/update
540 REG_DEAD and REG_UNUSED notes as well as register information.
541 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
542 df_chains_dump): Fixed crash if problem was never run.
543 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
544 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
545 df_ri_add_problem): Processes flags in uniform manner.
546 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
547 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
548 df_rd_dump, df_urec_free_bb_info): Formatting changes.
549 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
550 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
551 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
552 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
553 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
554 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
555 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
556 * see.c (see_initialize_data): Ditto.
557 * final.c (rest_of_clean_state) Added regstack_completed.
558 * rtl.h (regstack_completed): Ditto.
559 * reg-stack.c (regstack_completed): Ditto.
561 2006-05-19 Mike Stump <mrs@apple.com>
563 * c-tree.h (default_conversion): Remove.
564 * c-common.h (default_conversion): Add.
566 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
568 * tree-vrp.c (valid_value_p): New function.
569 (adjust_range_with_scev): Fail if the value of bound is not
570 simple.
572 2006-05-19 Richard Sandiford <richard@codesourcery.com>
574 * config/mips/linux-unwind.h: Include <asm/unistd.h>
575 (mips_fallback_frame_state): Use syscall numbers to determine
576 the appropriate li instruction for the current ABI. Only use
577 __NR_sigreturn for o32.
579 2006-05-19 Nicolas Setton <setton@adacore.com>
581 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
582 * langhooks.c (lhd_dwarf_name): New function.
583 * langhooks-def.h (lhd_dwarf_name): Declare.
584 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
585 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
586 * ada/misc.c (gnat_dwarf_name): New function.
587 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
589 2006-05-19 Richard Sandiford <richard@codesourcery.com>
591 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
592 libgcc2.h.
593 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
594 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
595 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
596 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
597 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
598 determine the size of Wtype, etc.
599 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
600 (swfloatfuncs): New variable.
601 (dwfloatfuncs): Likewise.
602 (lib2funcs): Remove floating-point conversion functions from
603 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
604 the set of conversion routines needed. Allow entries to specify
605 an object name, filename and word size. Update users accordingly.
606 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
607 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
609 Revert:
611 2006-02-08 Roger Sayle <roger@eyesopen.com>
613 PR target/22209
614 * config/fixtfdi.c: New libgcc source file.
615 * config/fixunstfdi.c: New source file.
616 * config/floatditf.c: New source file.
617 * config/floatunditf.c: New souce file.
618 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
619 files above instead of config/mips/_tilib.c.
620 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
622 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
624 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
625 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
627 2006-05-18 Mike Stump <mrs@apple.com>
629 Fix up vla, vm and [*] sematics.
631 PR c/18740
632 PR c/7948
633 PR c/25802
634 PR c/27673
635 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
636 (c_vla_unspec_p): Add.
637 (c_vla_type_p): Add.
638 * c-decl.c (struct c_scope): Add had_vla_unspec.
639 (build_array_declarator): Add support for [*].
640 (grokdeclarator): Likewise.
641 (grokparms): Likewise.
642 (get_parm_info): Likewise.
643 * c-objc-common.c (c_vla_unspec_p): Likewise.
644 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
645 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
646 typeof when argument is a variably modified type not inside sizeof or alignof.
647 (c_parser_direct_declarator_inner): Propagate errors.
648 (c_parser_sizeof_expression): Add support for [*].
649 (c_parser_parms_declarator): Initialize had_vla_unspec.
650 (c_parser_parms_list_declarator): Likewise.
651 * c-typeck.c (c_vla_type_p): Add.
652 (composite_type): Add support for vla compositing.
653 (comptypes_internal): Add support for vla compatibility.
654 (c_expr_sizeof_expr): Evaluate vla arguments.
655 * tree.c (variably_modified_type_p): Update comment for [*].
657 2006-05-18 Michael Matz <matz@suse.de>
659 PR target/27599
660 * config.host: Make assignments to host_xmake_file cumulative.
661 * config.host (*-darwin*): Test $host, not $target.
663 2006-05-12 Stuart Hastings <stuart@apple.com>
665 * config/i386/i386.opt (-mstackrealign): New flag.
666 * config/i386/i386.c (force_align_arg_pointer): New attribute.
667 (ix86_handle_cconv_attribute): Emit error when
668 force_align_arg_pointer attribute collides with too many regparms.
669 (ix86_function_regparm): Limit regparms when used with
670 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
671 Support stack-realigning prologue in non-main functions. Emit
672 warning for nested functions under -mstackrealign, emit error for
673 nested functions with force_align_arg_pointer attribute.
674 * doc/extend.texi (force_align_arg_pointer): Document it.
675 * doc/invoke.texi (-mstackrealign): Document it.
677 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
679 PR rtl-optimization/27477
680 * combine.c (try_combine): Don't split a parallel consisting
681 of two sets into two individual sets if both sets reference
682 cc0.
684 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
686 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
687 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
689 * doc/options.texi (VarExists): Updated.
691 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
693 * unwind-dw2.c: Add declarations for uw_update_context and
694 uw_frame_state_for.
695 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
696 detected, advance frame state and context once to skip over stub.
698 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
700 PR middle-end/20256
701 PR middle-end/26435
702 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
703 Call rewrite_into_loop_closed_ssa only when something changed.
704 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
705 * lambda-code.c (can_convert_to_perfect_nest): Declared.
706 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
707 Test for perfect_nest_p here. Fix formating.
708 (replace_uses_equiv_to_x_with_y): Fix formating.
709 (stmt_uses_op): Removed.
710 (can_convert_to_perfect_nest): Removed loopivs parameter.
711 Complete the test by checking the scalar dependences.
712 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
713 Fix formating.
715 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
717 PR bootstrap/22541
718 From Dan Kegel <dank@kegel.com>:
719 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
721 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
723 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
724 if the element type is variably modified without recursing.
726 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
728 PR middle-end/27332
729 * tree-loop-linear.c (try_interchange_loops): Test for
730 no data dependences.
732 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
734 PR tree-optimization/27548
735 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
736 range of ssa names that appear on abnormal edges.
737 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
738 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
740 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
742 PR middle-end/27620
743 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
745 2006-05-17 Jakub Jelinek <jakub@redhat.com>
747 PR middle-end/27415
748 * tree.h (OMP_PARALLEL_COMBINED): Define.
749 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
750 (new_omp_context): Add is_combined_parallel argument.
751 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
752 new_omp_context caller.
753 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
754 Adjust gimplify_scan_omp_clauses callers.
755 (omp_is_private): Issue errors if iteration variable is firstprivate
756 or reduction in the current context.
757 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
758 on combined parallel workshare constructs.
760 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
762 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
763 (gcc-options.o): New rule.
765 * optc-gen.awk: Protect variables for gcc-options.o with
766 #ifdef GCC_DRIVER/#endif.
768 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
770 Fix PR tree-optimization/27373
771 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
772 (forward_propagate_addr_expr): Update call.
774 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
776 * doc/options.texi: Move the Negative option.
778 2006-05-16 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/22303
781 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
782 from STRING_CSTs.
783 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
784 ccp_fold did not simplify the statement.
786 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
788 PR driver/26885
789 * Makefile.in (GCC_OBJS): New.
790 (OBJS-common): Add opts-common.o.
791 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
792 (cpp$(exeext)): Likewise.
793 (gcc.o): Also depend on opts.h.
794 (opts-common.o): New.
796 * common.opt (gcoff): Add Negative(gdwarf-2).
797 (gdwarf-2): Add Negative(gstabs).
798 (gstabs): Add Negative(gstabs+).
799 (gstabs+): Add Negative(gvms).
800 (gvms): Add Negative(gxcoff).
801 (gxcoff): Add Negative(gxcoff+).
802 (gxcoff+): Add Negative(gcoff).
803 * config/i386/i386.opt (m32): Add Negative(m64).
804 (m64): Add Negative(m32).
806 * doc/options.texi: Document the Negative option.
808 * gcc.c: Include "opts.h".
809 (main): Call prune_options after expandargv.
811 * optc-gen.awk: Generate common declarations for all flag
812 variables in options.c. Output the neg_index field.
814 * opts.c (find_opt): Moved to ...
815 * opts-common.c: Here. New file.
817 * opts.h (cl_option): Add a neg_index field.
818 (find_opt): New.
819 (prune_options): Likewise.
821 2006-05-16 Jakub Jelinek <jakub@redhat.com>
823 PR middle-end/27573
824 * omp-low.c (expand_omp_parallel): Don't assert
825 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
826 instead search for it.
828 PR c/27499
829 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
830 is signed.
832 2006-05-16 Andreas Schwab <schwab@suse.de>
834 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
835 defmac.
837 2006-05-15 Roger Sayle <roger@eyesopen.com>
839 PR target/26600
840 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
841 integer constants other than zero are only legitimate on TARGET_64BIT.
842 <CONST_VECTOR> Only zero vectors are legitimate.
843 (ix86_cannot_force_const_mem): Integral and vector constants can
844 always be put in the constant pool.
846 2006-05-16 DJ Delorie <dj@redhat.com>
848 * crtstuff.c (__dso_handle): Set section from
849 TARGET_LBIGCC_SDATA_SECTION if defined.
850 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
851 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
853 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
855 PR target/27599
856 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
857 host_xmake_file.
859 2006-05-16 Ben Elliston <bje@au.ibm.com>
861 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
863 2006-05-15 Per Bothner <per@bothner.com>
865 * tree.c: (last_annotated_node): Use sources_locus typedef.
866 This permits bootstrapping with --enable-mapped-location.
868 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
870 PR tree-optimization/26830
871 * tree-into-ssa.c (struct ssa_name_info): Add age field.
872 (info_for_ssa_name, current_info_for_ssa_name_age,
873 blocks_to_update): New variables.
874 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
875 (clear_ssa_name_info, initialize_flags_in_bb,
876 mark_block_for_update): New functions.
877 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
878 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
879 prepare_def_site_for): Use mark_block_for_update.
880 (mark_def_interesting): Assert that the processed block is marked in
881 blocks_to_update. Do not take blocks argument.
882 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
883 argument.
884 (rewrite_update_init_block, rewrite_update_stmt): Only process
885 blocks with statements to rewrite.
886 (delete_update_ssa): Do not clear SSA_NAME_AUX.
887 (update_ssa): Initialize and free blocks_to_update. Do not
888 clear flags on statements. Do not use blocks bitmap.
889 * tree.h (SSA_NAME_AUX): Removed.
890 (struct tree_ssa_name): Removed aux field.
891 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
893 2006-05-15 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/27603
896 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
897 Do computations in original type.
899 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
901 * see.c: Code style changes such as redundant paranthesis,
902 redundant intialization of local variables etc.
903 (see_main): Declared now as static.
904 * doc/invoke.texi: Update that -fsee is not enabled by
905 default at -O3.
907 2006-05-15 Jakub Jelinek <jakub@redhat.com>
909 * omp-low.c (check_omp_nesting_restrictions): New function.
910 (scan_omp_1): Call it.
912 PR middle-end/27416
913 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
914 construct, return *VAR.
916 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
918 PR rtl-optimization/27406
919 * bt-load.c (migrate_btr_def): Skip the block having abnormal
920 edges.
922 2006-05-14 Roger Sayle <roger@eyesopen.com>
924 PR rtl-optimization/27538
925 * combine.c (expand_compound_operation): Call gen_lowpart
926 before calling simplify_shift_const.
928 2006-05-14 Roger Sayle <roger@eyesopen.com>
930 PR rtl-optimization/22563
931 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
932 a fixed width bitfield, always force the intermediates into psuedos.
934 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
936 PR 27501
937 * mkconfig.sh: Use operator = instead of == for test.
939 2006-05-13 Nick Clifton <nickc@redhat.com>
941 * dwarf2out.c (dbx_reg_number): Check return value from
942 LEAF_REG_REMAP and only use it if it is valid.
943 (multiple_reg_loc_descriptor): Likewise.
945 2006-05-13 Richard Guenther <rguenther@suse.de>
947 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
948 host_xmake_file.
950 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
952 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
953 information attached to non-INSNs such as NOTEs.
954 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
956 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
958 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
959 On contraint.
960 * config/s390/s390.md: Adjust comment describing On constraint.
962 2006-05-11 Jan Hubicka <jh@suse.cz>
964 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
965 to be output at -O0.
967 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
969 PR middle-end/27384
970 * fold-const.c (size_binop): Move sanity check for arguments to
971 the beginning of the function.
973 PR middle-end/27488
974 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
975 expression.
977 2006-05-11 Richard Guenther <rguenther@suse.de>
979 PR middle-end/27529
980 * fold-const.c (fold_unary): Handle intermediate conversion
981 to a pointer type like intermediate conversion to an integer
982 type in folding of (T1)(T2)var to var.
983 Match the code to the comment in the final conversion for
984 (T1)(T2)var to (T1)var regarding to type precision. Rather
985 than disallow T1 being of pointer type, assert that both T1
986 and var are of pointer type or not. Make sure not to fall
987 over the frontends lazyness wrt array to pointer decay though.
989 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
991 * arm.c (arm_struct_value_rtx): Delete.
992 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
993 (arm_init_cumulative_args): Always initialize nregs to zero.
995 2006-05-10 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/27532
998 * tree-object-size.c (plus_expr_object_size): Fix typo.
1000 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1002 PR target/24949
1003 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1004 ashrdi_const, ashrdi3): Use a scratch register.
1006 2006-05-10 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/27302
1009 * fold-const.c (operand_equal_p): For two comparisons,
1010 try comparison of one comparison code swapped if that yields
1011 the same code.
1013 2006-05-10 Ben Elliston <bje@au.ibm.com>
1015 * tree-pretty-print.c (pretty_print_string): No need to handle
1016 '\0' as a special character.
1018 * tree.h: Include "hashtab.h".
1019 (iterative_hash_expr): Use hashval_t in its prototype.
1020 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1022 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1024 PR bootstrap/26872
1025 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1026 (hppa*64*-*-hpux11*): Ditto.
1027 (hppa[12]*-*-hpux11*): Ditto.
1029 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1031 PR target/26545
1032 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1034 2006-05-09 Michael Matz <matz@suse.de>
1036 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1037 host_extra_gcc_objs and host_xmake_file.
1038 (<*-*-linux*>): Don't overwrite host_xmake_file.
1039 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1040 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1041 (host_detect_local_cpu): Declare.
1042 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1043 * config/i386/i386.c (override_options): Handle -mtune=native
1044 as -mtune=generic.
1045 * config/i386/x-i386: New file.
1046 * config/i386/driver-i386.c: New file.
1047 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1048 cpu-type "native".
1050 2006-05-09 Dirk Mueller <dmueller@suse.de>
1051 Richard Guenther <rguenther@suse.de>
1053 PR middle-end/27498
1054 * fold-const.c (fold_read_from_constant_string): Relax check
1055 for matching types to matching modes.
1057 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1059 PR rtl-optimization/27335
1060 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1061 loops.
1063 2006-05-08 Chao-ying Fu <fu@mips.com>
1064 Richard Sandiford <richard@codesourcery.com>
1066 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1067 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1068 * config/mips/mips.md (UNSPEC_SCC): New constant.
1069 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1070 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1071 (mips_emit_compare): Use it.
1072 (mips_expand_vcondv2sf): New function.
1074 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1076 Fix PR tree-optimization/27093
1077 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1078 renaming when they become not-used_alone.
1080 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1082 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1083 relocation and relocation stubs.
1085 2006-05-08 Eric Christopher <echristo@apple.com>
1087 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1088 section for ppc.
1090 2006-05-08 Jan Hubicka <jh@suse.cz>
1092 PR middle-end/24561
1093 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1094 unused static functions are needed.
1096 2006-05-08 Roger Sayle <roger@eyesopen.com>
1098 PR target/27158
1099 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1100 of a reg_equiv_constant if the result is a legitimate constant.
1102 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1104 PR target/27277
1105 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1106 standard 80387 constants, raise the cost to prevent
1107 compress_float_constant() to generate load from memory.
1109 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1111 * config/arm/constraints.md (c): Fix a typo.
1113 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1114 typos.
1116 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1118 PR target/24879
1119 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1120 inline function.
1121 (_mm_mwait): Likewise.
1123 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1124 "mwait".
1125 (sse3_monitor): Make it 32bit only.
1126 (sse3_monitor64): New. 64bit monitor.
1128 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1130 PR target/27421
1131 * config/i386/i386.c (classify_argument): Skip fields with invalid
1132 types.
1134 2006-05-07 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/27409
1137 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1138 Do not try to find zero-sized subvars.
1140 2006-05-07 Richard Guenther <rguenther@suse.de>
1142 PR tree-optimization/27136
1143 * tree-ssa-loop-niter.c (get_val_for): Correct function
1144 comment, assert requirements.
1145 (loop_niter_by_eval): Stop processing if the iterated
1146 value did not simplify.
1148 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1150 * opts.c (flag_see): remove its setting at -O3.
1152 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1154 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1155 * arm/constraints.md: New file.
1156 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1157 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1158 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1159 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1160 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1161 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1162 * arm.md: Include constraints.md.
1163 (thumb_movsi_insn): Use satisfies_constraint_J.
1164 (movhi, movqi): Use satisfies_constraint_I.
1166 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1168 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1169 for atmeg a645 device.
1171 2006-05-06 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/27151
1174 * tree-vect-transform.c (vectorizable_condition): Punt on
1175 values that have a different type than the condition.
1177 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1179 PR/21391
1180 * c-parser.c (c_parser_cast_expression): Only insert casts into
1181 hash table if pointer.
1182 * function.c (used_types_insert_helper): Rename from
1183 used_types_insert.
1184 (used_types_insert): Call used_types_insert_helper.
1185 * function.h (used_types_insert): Accept only one argument.
1187 2006-05-05 David Edelsohn <edesohn@gnu.org>
1189 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1190 scratch with output modifier.
1192 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1194 PR target/26481
1195 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1196 with output modifier.
1198 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1200 PR target/26765
1201 * config/mips/mips.c (mips_symbolic_address_p): Return true
1202 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1203 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1205 2006-05-04 Richard Guenther <rguenther@suse.de>
1207 PR tree-optimization/14287
1208 PR tree-optimization/14844
1209 PR tree-optimization/19792
1210 PR tree-optimization/21608
1211 PR tree-optimization/27090
1212 * tree-ssa-pre.c (try_combine_conversion): New function.
1213 (compute_avail): After constructing the value-handle
1214 expression, use try_combine_conversion to combine NOP_EXPRs
1215 with previous value-handle expressions and use the result if it
1216 is available.
1218 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1220 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1222 2006-05-04 Jan Hubicka <jh@suse.cz>
1224 PR middle-end/25962
1225 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1227 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1229 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1230 that this only matches CONST_INTs. All users changed to VOIDmode
1231 operands.
1233 * config/bfin/bfin.c: Include "optabs.h".
1234 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1235 to do more work.
1236 (enum bfin_builtins): Add a number of fractional and vector builtins.
1237 (bfin_init_builtins): Likewise.
1238 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1239 (safe_vector_operand, bfin_expand_binop_builtin,
1240 bfin_expand_unop_builtin): New functions.
1241 (bfin_expand_builtin): Handle the new builtins.
1242 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1243 __ADSPBLACKFIN__.
1245 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1247 * see.c: New file.
1248 * Makefile.in (OBJS-common): Add see.o.
1249 (see.o): Add dependencies.
1250 * common.opt (fsee): New flag for the see optimization was added.
1251 * opts.c (flag_see): Initialized.
1252 * passes.c (init_optimization_passes, pass_see): New pass.
1253 * rtl.h (see_main): Declaration as extern.
1254 * timevar.def (TV_SEE): New.
1255 * tree-pass.h (pass_see): Declaration as extern.
1256 * invoke.texi (-fsee): Document.
1257 * recog.c (validate_simplify_insn): New function.
1258 * recog.h (validate_simplify_insn): Declaration as extern.
1259 * df-problems.c (df_chain_dump): Check for NULL.
1261 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1262 Daniel Berlin <dberlin@dberlin.org>
1264 * cfgrtl.c (insert_insn_bb_end_new): New function.
1265 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1267 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1269 * df.h (struct web_entry): Moved from web.c.
1270 (union_defs): Declaration as extern.
1271 (unionfind_root): Likewise.
1272 (unionfind_union): Likewise.
1273 * web.c (struct web_entry): Moved to df.h.
1274 (unionfind_root): Remove static declaration.
1275 (unionfind_union): Likewise.
1276 (union_defs): Likewise and generalize to use callback function.
1277 (web_main): Update arguments for union_defs function call.
1279 2006-05-04 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/26447
1282 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1283 produce SSA_NAME copies before the store stmt to avoid
1284 breaking exception handling.
1286 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1288 PR middle-end/27388
1289 * gimplify.c (omp_is_private): If var is shared in some outer context,
1290 return false instead of true. Stop searching on parallel context
1291 boundary.
1293 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1295 PR java/8260
1296 * coverage.c: Use get_gcov_unsigned_t() instead of
1297 unsigned_type_node all over.
1299 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1301 PR tree-optimization/27381
1302 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1303 maintain the same immediate_use links.
1304 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1305 node rather than segfaulting.
1307 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1309 PR fortran/27395
1310 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1311 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1312 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1314 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1316 Fix PR tree-optimization/26626
1317 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1318 always.
1319 * tree-ssa-operands.c (access_can_touch_variable): Allow
1320 typecasting through union pointers.
1322 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1324 PR c++/26943
1325 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1326 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1327 to find if var will be a global variable even in the nested context.
1328 (omp_copy_decl): Only check for global variable at the end, it might
1329 be overridden in outer contexts.
1330 (scan_sharing_clauses): For global variables don't create a field.
1331 (lower_rec_input_clauses): Do nothing for global shared variables.
1332 Emit a barrier at the end of ILIST if there were any decls in both
1333 firstprivate and lastprivate clauses.
1334 (lower_send_clauses): Do nothing for global variables except for
1335 COPYIN.
1337 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1339 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1340 of the correct signedness is returned.
1342 2006-05-02 Jeff Law <law@redhat.com>
1344 PR tree-optimization/27364
1345 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1346 multiply expressions.
1348 2006-05-02 Tom Tromey <tromey@redhat.com>
1350 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1352 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1354 PR target/27387
1355 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1356 -mthumb -fPIC are used.
1358 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1359 Joshua Kinard <kumba@gentoo.org>
1361 PR target/25871
1362 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1363 with 64-bit pointers.
1365 2006-05-02 Paul Brook <paul@codesourcery.com>
1367 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1368 and pool overlap.
1369 (create_fix_barrier): Check that a suitable barrier location is
1370 found.
1371 (arm_reorg): Include ftmp->address in allowable range of addresses.
1373 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1375 PR ada/27366
1376 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1377 on Cygwin.
1379 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1381 PR middle-end/27337
1382 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1383 around RESULT_DECL for result passed by reference.
1384 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1385 * omp-low.c (use_pointer_for_field): Don't look at
1386 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1387 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1388 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1389 time or var for passing by reference for
1390 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1391 TREE_ADDRESSABLE variables when passing by reference.
1393 * omp-low.c (dump_omp_region): Fix output formatting.
1395 PR middle-end/27328
1396 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1397 (expand_omp_parallel): Likewise.
1398 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1400 PR middle-end/27325
1401 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1402 on statement list containing also constructors and destructors.
1403 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1405 PR middle-end/27310
1406 * except.c (duplicate_eh_regions): Fix clearing of
1407 cfun->eh->region_array entries.
1409 2006-05-01 DJ Delorie <dj@redhat.com>
1411 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1412 build!=host.
1413 (gcc_cv_objdump): Likewise.
1414 * configure: Regenerated.
1416 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1418 PR target/27374
1419 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1420 templates for case 3 and 4.
1422 2006-05-01 DJ Delorie <dj@redhat.com>
1424 * vec.c: Include bconfig.h when appropriate.
1425 * Makefile.in (build/vec.o): Adjust dependencies.
1426 * mkconfig.sh: Make sure config.h isn't used for build machine
1427 compiles.
1429 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1431 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1432 variables.
1433 (mark_phi_for_rewrite): New function.
1434 (insert_phi_nodes_for, mark_use_interesting): Call
1435 mark_phi_for_rewrite.
1436 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1437 (update_ssa): Initialize and free phis_to_rewrite.
1439 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1441 PR rtl-optimization/27291
1442 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1443 folded to a constant.
1445 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1447 PR tree-optimization/27283
1448 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1449 not whole # of iteration descriptions.
1450 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1451 uses abnormal ssa name.
1452 (niter_for_single_dom_exit): Ditto.
1453 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1454 return just the number of iterations.
1456 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1458 PR tree-optimization/27144
1459 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1460 (record_estimate): Only record constant upper bound.
1461 (infer_loop_bounds_from_undefined): Call
1462 compute_estimated_nb_iterations just once.
1463 (proved_non_wrapping_p): Renamed to ...
1464 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1465 (convert_step_widening, scev_probably_wraps_p): Call
1466 n_of_executions_at_most instead of proved_non_wrapping_p.
1467 (substitute_in_loop_info): Do not replace values in bounds.
1468 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1469 comments.
1471 2006-05-01 Richard Henderson <rth@redhat.com>
1473 PR c/27358
1474 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1475 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1476 CPP_PRAGMA.
1478 2006-05-01 Roger Sayle <roger@eyesopen.com>
1480 * c-typeck.c (parser_build_binary_op): Don't call the function
1481 unsigned_conversion_warning to spot operand/result type overflow.
1482 (build_binary_op): Instead, call convert_and_check instead of
1483 convert to report the problem when the operands are promoted.
1484 * c-common.c (unsigned_conversion_warning): Make static.
1485 * c-common.h (unsigned_conversion_warning): Delete prototype.
1487 2006-05-01 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/26726
1490 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1491 problem ...
1492 (find_interesting_uses_address): ... we work around here
1493 by folding INDIRECT_REFs in the substituted base.
1495 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1497 * omp-low.c (dump_omp_region): Add newlines.
1499 2006-04-30 Roger Sayle <roger@eyesopen.com>
1501 * common.opt (Woverflow): New command line option.
1502 * c-common.c (constant_expression_warning): Check warn_overflow.
1503 (overflow_waring): Pass OPT_Woverflow to warning.
1504 (unsigned_conversion_warning): Likewise.
1505 (convert_and_check): Likewise.
1506 * doc/invoke.texi: Document new command line option.
1508 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1510 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1511 TARGET_NO_FP_IN_TOC for section anchors.
1512 (optimization_options): Enable section anchors for all
1513 non-"Objective" languages.
1515 2006-04-28 Eric Christopher <echristo@apple.com>
1517 * config/darwin-c.c (darwin_ms_struct): Move this
1518 (darwin_set_default_type_attributes): and this...
1519 * config/darwin.c: ... here.
1520 * config/darwin.h (darwin_ms_struct): Declare.
1522 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1524 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1526 2006-04-28 Roger Sayle <roger@eyesopen.com>
1528 PR c/25309
1529 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1530 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1531 an unsigned HOST_WIDE_INT.
1532 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1533 array index.
1534 (really_start_incremental_init): No need to call convert because
1535 bitsize_zero_node is already of type bitsizetype.
1536 (push_init_level): Extract the value of constructor_index as an
1537 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1538 (process_init_element): Likewise.
1540 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1542 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1543 value before passing to make_relative_prefix.
1545 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1547 PR middle-end/27260
1548 * builtins.c (expand_builtin_memset): Expand val in original mode.
1550 2006-04-27 Eric Christopher <echristo@apple.com>
1552 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1553 with #ifndef/#endif.
1554 * config/darwin-c.c (darwin_ms_struct): New.
1555 (darwin_pragma_ms_struct): Ditto.
1556 (darwin_set_default_type_attributes): Ditto.
1557 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1558 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1559 Register ms_struct pragma.
1560 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1561 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1562 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1563 darwin_set_default_type_attributes if TARGET_MACHO.
1565 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1567 PR tree-optimization/26854
1568 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1569 * doc/tree-ssa.texi: Update immuse iterator documentation.
1570 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1572 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1573 first_safe_imm_use, next_safe_imm_use): Remove.
1574 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1575 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1576 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1577 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1578 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1579 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1580 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1581 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1582 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1583 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1584 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1585 (perfect_nestify): Use new iterator.
1586 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1587 iterator.
1588 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1589 (next_imm_name): New field in struct immediate_use_iterator_d.
1590 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1591 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1592 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1593 * tree-cfg.c (replace_uses_by): Use new iterator.
1594 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1595 * tree-ssa-operands.c (correct_use_link): Remove.
1596 (finalize_ssa_use_ops): No longer call correct_use_link.
1598 2006-04-27 Stuart Hastings <stuart@apple.com>
1600 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1601 * config/t-darwin (crt3.o): Use it.
1602 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1603 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1604 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1605 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1606 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1607 support.
1609 2006-04-27 Roger Sayle <roger@eyesopen.com>
1611 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1612 size, force the intermediate into a new pseudo rather instead of
1613 performing both a bitwise AND and a bitwise IOR in memory.
1615 2006-04-27 Richard Guenther <rguenther@suse.de>
1617 PR rtl-optimization/26685
1618 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1619 this one "max-flow-memory-locations".
1621 2006-04-27 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/25148
1624 * tree-vrp.c (compare_values): Remove code dealing with
1625 comparisons against type min/max value. Honour overflow
1626 and negative constants in code dealing with comparisons
1627 of plus and minus expressions.
1628 (value_inside_range): Use fold_binary with LE_EXPR and
1629 GE_EXPR rather than compare_values.
1631 2006-04-27 Dirk Mueller <dmueller@suse.de>
1633 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1634 prototype for SSE.
1636 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1638 * basic-block.h (safe_insert_insn_on_edge): Removed.
1639 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1641 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1642 Paolo Bonzini <bonzini@gnu.org>
1644 PR middle-end/27282
1645 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1646 (simplify_and_const_int): Same.
1648 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1650 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1652 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1654 PR c/26171
1655 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1656 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1657 cgraph_global_info_ready.
1659 PR middle-end/26913
1660 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1662 PR c/25996
1663 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1664 either decl or init is error_mark_node.
1666 PR middle-end/25989
1667 * tree-flow.h (struct omp_region): Add sched_kind.
1668 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1669 instead of extracting omp for data.
1670 (expand_omp_for): Save extracted sched_kind.
1672 2006-04-25 Roger Sayle <roger@eyesopen.com>
1674 * expmed.c (store_bit_field): Also check whether the bitsize is
1675 valid for the machine's "insv" instruction before moving the
1676 target into a pseudo for use with the insv.
1677 * config/i386/predicates.md (const8_operand): New predicate.
1678 * config/i386/i386.md (extv, extzv, insv): Use the new
1679 const8_operand predicate where appropriate.
1681 2006-04-25 DJ Delorie <dj@redhat.com>
1683 * doc/install.texi (Specific): Clarify that this is not a list of
1684 supported hosts or targets.
1686 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1688 PR rtl-optimization/26725
1689 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1690 block's BB_DIRTY flag.
1692 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1694 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1695 are no branches.
1697 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1698 to print an integer.
1700 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1702 * varasm.c (align_variable): New function.
1703 (get_block_for_decl): Apply align_variable to DECL before
1704 calculating section information.
1705 (assemble_variable): Split out alignment computation.
1707 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1709 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1710 machines.
1712 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1714 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1715 MODE_PARTIAL_INT mode.
1716 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1717 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1718 for CONST_INTs.
1719 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1720 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1721 V2PDImode.
1722 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1723 New predicates.
1724 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1725 New constants.
1726 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1727 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1728 MACFLAG_IH): Likewise.
1729 (movstricthi_1): Renamed from "*movstricthi".
1730 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1731 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1732 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1733 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1734 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1735 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1736 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1737 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1738 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1739 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1740 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1741 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1742 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1743 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1744 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1746 * doc/rtl.texi (ss_ashift): Improve wording.
1748 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1750 * dwarf2out.c (verify_marks_clear): New.
1751 (prune_unused_types): Call verify_marks_clear initially, not
1752 prune_unmark_dies.
1754 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1756 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1757 * doc/rtl.texi: Document them.
1758 * simplify-rtx.c (simplify_unary_operation,
1759 simplify_binary_operation_1): Don't abort when we see them.
1761 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1763 Revert:
1764 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1765 * configure.ac: Completely disregard languages that are not
1766 enabled.
1767 * configure: Regenerated.
1769 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1770 Richard Guenther <rguenther@suse.de>
1772 PR tree-optimization/27236
1773 * tree-inline.c (copy_body_r): Make sure to copy
1774 TREE_THIS_VOLATILE flag.
1776 2006-04-24 Richard Guenther <rguenther@suse.de>
1778 PR middle-end/26869
1779 * tree-complex.c (update_parameter_components): Don't handle
1780 unused parameters which have no default def.
1782 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1783 Richard Guenther <rguenther@suse.de>
1785 PR tree-optimization/27218
1786 * tree-inline.c (expand_call_inline): Strip useless type
1787 conversions for the return slot address.
1789 2006-04-24 Richard Guenther <rguenther@suse.de>
1791 * cfgloop.h (struct loops): Remove unused field array. Reorder
1792 state after num.
1793 (LOOP_PREFETCH): Remove.
1795 2006-04-24 Richard Guenther <rguenther@suse.de>
1797 PR tree-optimization/22525
1798 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1799 variable, adjust types of generated expressions.
1801 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1803 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1804 (tree-vect-patterns.o): Likewise.
1805 (jump.o): Likewise.
1806 (cselib.o): Likewise.
1807 (loop-doloop.o): Likewise.
1808 (regclass.o): Likewise.
1809 (reload1.o): Likewise.
1810 (explow.o): Replace target.h with $(TARGET_H).
1811 (ipa-prop.o): Likewise.
1812 (ipa-cp.o): Likewise.
1813 (ipa-inline.o): Likewise.
1814 (reorg.o): Likewise.
1815 (reg-stack.o): Likewise.
1817 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1819 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1821 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1823 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1825 * configure.ac: Completely disregard languages that are not
1826 enabled.
1827 * configure: Regenerated.
1829 PR c++/26534
1830 * c-common.h (c_build_bitfield_integer_type): Declare.
1831 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1832 * c-common.c (c_build_bitfield_integer_type): ... here.
1834 2006-04-23 Roger Sayle <roger@eyesopen.com>
1836 PR target/21283
1837 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1838 a SImode SUBREG of a floating point register after no_new_pseudos.
1840 2006-04-23 Roger Sayle <roger@eyesopen.com>
1842 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1843 identify potentially eliminable registers to additionally catch
1844 VIRTUAL_INCOMING_ARGS_REGNUM.
1845 (addsi3): Update the conditions on when to use addsi_small_int.
1847 2006-04-23 Roger Sayle <roger@eyesopen.com>
1849 PR target/16641
1850 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1851 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1852 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1854 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1856 * fold-const.c (range_predecessor): Use operand_equal_p
1857 as the predicate for equality.
1858 (range_successor): Likewise.
1860 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1862 Revert:
1863 * config/soft-fp/op-common.h: Fix a typo.
1865 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1867 PR libmudflap/26864
1868 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1869 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1871 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1873 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1874 Fix comment typos.
1875 * doc/tm.texi: Fix a typo.
1877 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1879 * dwarf2out.c (struct die_struct): Document that die_sib makes
1880 a circular linked list.
1881 (FOR_EACH_CHILD): New.
1882 (reverse_die_lists): Delete.
1883 (reverse_all_dies): Delete.
1884 (add_dwarf_attr): Correct documentation.
1885 (remove_child_with_prev): New.
1886 (remove_child_TAG): Update for change to die_struct, use
1887 remove_child_with_prev.
1888 (add_child_die): Update for change to die_struct.
1889 (splice_child_die): Use remove_child_with_prev and add_child_die.
1890 (print_die): Use FOR_EACH_CHILD.
1891 (die_checksum): Likewise.
1892 (assign_symbol_names): Likewise.
1893 (output_location_lists): Likewise.
1894 (build_abbrev_table): Likewise.
1895 (calc_die_sizes): Likewise.
1896 (mark_dies): Likewise.
1897 (unmark_dies): Likewise.
1898 (unmark_all_dies): Likewise.
1899 (output_die): Likewise.
1900 (prune_unused_types_mark): Likewise.
1901 (prune_unused_types_walk): Likewise.
1902 (same_die_p): Update for change to die_struct.
1903 (break_out_includes): Likewise.
1904 (prune_unused_types_prune): Likewise.
1905 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1906 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1907 it's already clear.
1908 (dwarf2out_finish): Don't call reverse_all_dies.
1910 2006-04-21 Eric Christopher <echristo@apple.com>
1912 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1913 in comments and function names.
1915 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1917 PR c/25875
1918 * c-typeck.c (digest_init): Robustify.
1920 * c-typeck.c (pop_init_level): Simplify.
1922 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1924 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1926 2006-04-21 Paul Brook <paul@codesourcery.com>
1928 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1929 hardware floating point.
1931 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1933 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1934 NON_FLOAT_REGS.
1936 2006-04-21 Nick Clifton <nickc@redhat.com>
1938 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1939 OPT_EXTRA_PARTS.
1941 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1943 PR target/27230
1944 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1945 C++ lang type in traceback table for Objective-C++.
1947 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1949 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1951 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1953 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1955 PR mudflap/26789
1956 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1957 were errors. Remove check for erroneous objects.
1959 2006-04-20 Jeff Law <law@redhat.com>
1961 PR tree-optimization/26854
1962 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1963 checking for zero or one use.
1964 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1965 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1966 * tree-ssa-reassoc.c (negate_value): Similarly.
1967 (reassociate_bb): Similarly.
1969 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1971 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1972 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1973 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1975 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1977 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1978 fp regs if the last fp arg doesn't fit in regs.
1980 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1982 PR target/27182
1983 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1984 that the last insn has the REG_INC note.
1986 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1987 Nathan Sidwell <nathan@codesourcery.com>
1989 PR c/26774
1990 * stor-layout.c (update_alignment_for_field): Do not align
1991 ERROR_MARK nodes.
1992 (place_union_field): Place union field at the start of the union.
1993 (place_field): Move ERROR_MARK check later, and use the current
1994 allocation position to maintain monotonicity.
1996 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1998 * dominance.c: Include timevar.h.
1999 (calculate_dominance_info): Use TV_DOMINANCE.
2000 * timevar.def (TV_DOMINANCE): New timevar.
2001 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2003 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2005 PR rtl-optimization/14261
2006 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2007 move would be an INSV insn.
2008 (noce_process_if_block): Don't optimize if the destination is a
2009 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2011 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2013 * config/s390/s390.md: Add comments with the instructions emitted
2014 by an insn pattern if macros are used.
2016 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2018 PR rtl-optimization/26026
2019 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2020 is a known power of two shifted left a variable amount.
2022 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2024 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2025 to hash table twice when the debug_str section has SECTION_MERGE.
2027 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2029 * config/soft-fp: New directory. From glibc.
2030 * config/soft-fp/t-softfp: New.
2031 * config/soft-fp/README: New.
2032 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2033 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2034 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2035 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2036 * config.gcc: Use rs6000/t-fprules-fpbit or
2037 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2038 rs6000/t-fprules.
2039 * config/rs6000/sfp-machine.h: New. Based on glibc.
2040 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2041 New.
2042 * config/rs6000/t-fprules: Remove fp-bit rules.
2043 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2044 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2045 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2046 (softfp_wrap_start, softfp_wrap_end): New.
2048 2006-04-18 DJ Delorie <dj@redhat.com>
2050 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2052 2006-04-18 Devang Patel <dpatel@apple.com>
2054 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2056 2006-04-18 Nick Clifton <nickc@redhat.com>
2058 * config/sh/t-symbian: Add rule to build sh-c.o
2059 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2060 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2061 (sh_symbian_encode_section_info): Likewise.
2063 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2065 * builtins.c (expand_builtin_strcmp): Cover label definition of
2066 do_libcall with HAVE_cmpstrnsi.
2068 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2070 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2071 instead of VARRAY.
2072 * function.h (temp_slot_p): New.
2073 (function): Change the type of x_used_temp_slots to
2074 VEC(temp_slot_p,gc) *.
2076 2006-04-18 Nick Clifton <nickc@redhat.com>
2078 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2079 flag_strength_reduce.
2081 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2083 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2085 PR target/27117
2087 Partial revert of revision 112637
2088 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2089 Dale Johannesen <dalej@apple.com>
2091 PR target/19653
2092 * regclass.c (struct reg_pref): Update documentation.
2093 (regclass): Set prefclass to NO_REGS if memory is the best option.
2094 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2096 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2098 PR tree-optimization/26821
2099 * tree-ssa-math-opts.c (get_constant_one): New.
2100 (insert_reciprocals): Use it.
2102 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2104 * dwarf2out.c (free_AT): Delete.
2105 (remove_AT): Update string ref counts.
2106 (remove_child_TAG): Don't call free_die.
2107 (free_die): Delete.
2108 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2109 or DW_TAG_GNU_EINCL.
2110 (prune_unused_types_walk_attribs): Reset string refcounts.
2111 (prune_unused_types_update_strings): New.
2112 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2113 call free_die. Do call prune_unused_types_update_strings.
2114 (prune_unused_types): Empty debug_str_hash.
2116 2006-04-17 Roger Sayle <roger@eyesopen.com>
2118 * expr.c (expand_assignment): Optimize away no-op moves where the
2119 source and destination are equal and have no side-effects.
2121 2006-04-17 Richard Guenther <rguenther@suse.de>
2123 PR target/26826
2124 * reload.c (push_reload): Guard calls to get_secondary_mem
2125 for memory subregs.
2127 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2129 * alias.c (reg_base_value, old_reg_base_value): Change the
2130 type to VEC(rtx,gc) *.
2131 (REG_BASE_VALUE, find_base_value, record_set,
2132 init_alias_analysis): Use VEC instead of VARRAY.
2134 * alias.c (alias_sets): Change the type to
2135 VEC(alias_set_entry,gc) *.
2136 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2137 VEC instead of VARRAY.
2138 (last_alias_set): Remove.
2140 * cgraph.h (cgraph_edge_p): New.
2141 Update the prototype of cgraph_function_versioning.
2142 * cgraphunit.c (cgraph_copy_node_for_versioning,
2143 cgraph_function_versioning): Use VEC instead of VARRAY.
2144 * ipa-cp.c (ipcp_insert_stage): Likewise.
2146 2006-04-16 Roger Sayle <roger@eyesopen.com>
2148 PR target/26961
2149 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2150 "A op B" or "A op C", we may need to convert A to the type of B and C.
2152 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2154 * target.h (struct gcc_target): Add mode_rep_extended.
2155 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2156 (init_num_sign_bit_copies_in_rep): Initialize it using
2157 mode_rep_extended.
2158 (truncate_to_mode): Use it.
2159 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2160 * targhooks.h (default_mode_rep_extended): Declare it.
2161 * targhooks.c (default_mode_rep_extended): Define it.
2162 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2163 default_mode_rep_extended.
2164 (TARGET_INITIALIZER): Include it.
2165 * doc/tm.texi (Misc): Document it.
2166 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2167 (mips_truncated_to_mode): New function.
2169 2006-04-16 Roger Sayle <roger@eyesopen.com>
2171 PR middle-end/25474
2172 * expr.c (compress_float_constant): Copy the narrow constant into
2173 a new pseudo before extending it to its final width.
2175 2006-04-16 Roger Sayle <roger@eyesopen.com>
2176 Andrew Pinski <pinskia@gcc.gnu.org>
2177 Dale Johannesen <dalej@apple.com>
2179 PR target/24076
2180 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2181 special case code to implement V8HImode and V16QImode with SSE2.
2183 2006-04-15 Roger Sayle <roger@eyesopen.com>
2185 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2186 trees are constructed with a suitable tree type.
2188 2006-04-15 Roger Sayle <roger@eyesopen.com>
2190 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2191 (integer_onep): Likewise.
2192 (integer_all_onesp): Likewise.
2193 (integer_pow2p): Likewise.
2194 (integer_nonzerop): Likewise.
2195 (real_zerop): Likewise.
2196 (real_onep): Likewise.
2197 (real_twop): Likewise.
2198 (real_minus_onep): Likewise.
2199 (int_size_in_bytes): Likewise.
2200 (host_integerp): Likewise.
2202 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2204 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2205 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2206 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2208 * tree-ssa-structalias.h (alias_info): Remove num_references.
2210 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2212 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2213 (output_bvb patterns): Likewise.
2214 * pa.c (output_bb): Use 'bb' insn for long branch case.
2215 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2216 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2217 1. Correct length operand for alternatives 1 and 2.
2218 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2219 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2221 2006-04-14 Roger Sayle <roger@eyesopen.com>
2223 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2224 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2225 were accidentally reverted by r112959.
2227 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2229 PR middle-end/26823
2230 * except.h (eh_region_outermost): New prototype.
2231 * except.c (eh_region_outermost): New function.
2232 * tree-cfg.c (find_outermost_region_in_block): Use it.
2234 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2236 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2237 of VARRAY.
2238 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2239 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2240 (init_reload, reload): Use VEC instead of VARRAY.
2241 * reload.h: Update the prototype for
2242 reg_equiv_memory_loc_varray.
2244 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2245 Eric Botcazou <ebotcazou@libertysurf.fr>
2247 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2248 register save area.
2250 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2252 PR middle-end/27134
2253 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2254 to expand fallback builtin function call.
2256 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2258 PR middle-end/27095
2259 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2260 and emit libcall here in case the builtin fails.
2261 (expand_builtin_strcmp): Always emit the libcall here on failure.
2263 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2265 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2266 * flow.c (reg_n_info): Change the type to
2267 VEC(reg_info_p,heap) *.
2268 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2269 instead of VARRAY.
2270 * regs.h (reg_info_p): New.
2271 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2272 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2273 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2274 instead of VARRAY.
2276 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2278 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2279 defaulting to 100.
2280 * params.h (MAX_SCHED_READY_INSNS): New macro.
2281 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2282 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2283 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2284 the ready list for 1 cycle during the first scheduling pass.
2285 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2287 2006-04-13 Richard Henderson <rth@redhat.com>
2289 PR libgomp/26651
2290 * gimple-low.c (lower_omp_directive): Remove dead code.
2291 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2292 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2293 * omp-low.c (struct omp_region): Move to tree-flow.h.
2294 (root_omp_region): Export.
2295 (omp_regions, lookup_omp_region): Remove.
2296 (determine_parallel_type): Update for struct omp_region changes.
2297 (dump_omp_region): Dump regions with block numbers.
2298 (new_omp_region): Take type and block instead of stmt; malloc
2299 instead of ggc.
2300 (free_omp_region_1, free_omp_regions): New.
2301 (expand_parallel_call): Take entry_stmt as argument; update for
2302 changes to omp_region.
2303 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2304 (remove_exit_barriers): New.
2305 (expand_omp_parallel): Update for struct omp_region changes.
2306 (expand_omp_synch): Likewise.
2307 (expand_omp): Likewise.
2308 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2309 (expand_omp_for_static_chunk): Likewise.
2310 (expand_omp_for): Likewise.
2311 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2312 (expand_omp_sections): Similarly, with GOMP_sections_end.
2313 (expand_omp_single): New.
2314 (build_omp_regions_1): Update for OMP_CONTINUE.
2315 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2316 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2317 OMP_SECTIONS_SECTIONS.
2318 (lower_omp_single_simple): Don't emit barrier here.
2319 (lower_omp_single_copy): Likewise.
2320 (lower_omp_single): Fix bindings, and lower to straightline now.
2321 (lower_omp_master, lower_omp_ordered): Likewise.
2322 (lower_omp_critical): Likewise.
2323 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2324 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2325 omp edges, free it afterward.
2326 (make_omp_sections_edges): Remove.
2327 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2328 (move_stmt_r): Handle OMP_CONTINUE.
2329 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2330 statement pointers to basic blocks. Add type member.
2331 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2332 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2333 * tree-inline.c (estimate_num_insns_1): Likewise.
2334 * tree-pretty-print.c (dump_generic_node): Likewise.
2335 * tree-ssa-operands.c (get_expr_operands): Likewise.
2336 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2337 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2338 (OMP_CONTINUE): New.
2339 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2340 (OMP_SECTIONS_SECTIONS): Remove.
2341 (OMP_SECTION_LAST): New.
2342 (OMP_RETURN_NOWAIT): New.
2344 2006-04-13 Roger Sayle <roger@eyesopen.com>
2346 * fold-const.c (native_encode_vector, native_interpret_real):
2347 Correct obvious mistakes in the previous check-in.
2349 2006-04-13 Roger Sayle <roger@eyesopen.com>
2351 * fold-const.c (native_encode_expr): New function to encode
2352 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2353 or VECTOR_CST into a specified buffer.
2354 (native_encode_int): New function.
2355 (native_encode_real): New function.
2356 (native_encode_complex): New function.
2357 (native_encode_vector): New function.
2358 (native_interpret_expr): Inverse of native_encode_expr to convert
2359 a target representation into an INTEGER_CST, REAL_CST etc...
2360 (native_interpret_int): New function.
2361 (native_interpret_real): New function.
2362 (native_interpret_complex): New function.
2363 (native_interpret_vector): New function.
2364 (fold_view_convert_expr): New function to constant fold/evaluate
2365 a VIEW_CONVERT_EXPR of a suitable constant expression.
2366 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2367 Change call of build1 to fold_build1 when constructing a
2368 VIEW_CONVERT_EXPR.
2370 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2371 Ulrich Weigand <uweigand@de.ibm.com>
2373 PR target/27006
2374 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2375 to be even.
2377 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2379 PR target/26459
2380 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2381 optimize to lo_sum for DFmode if !TARGET_FPRS.
2383 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2385 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2386 delete_alias_info, compute_flow_sensitive_aliasing,
2387 group_aliases): Use VEC instead of VARRAY.
2388 * tree-ssa-structalias.c (update_alias_info): Likewise.
2389 * tree-ssa-structalias.h (alias_info): Change the type of
2390 processed_ptrs to VEC(tree,heap) *.
2392 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2394 PR target/27060
2395 * config/sh/lib1funcs.h: New file, broken out of:
2396 * config/sh/lib1funcs.asm.
2397 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2398 New macros.
2399 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2400 * config/sh/lib1funcs-Os-4-200.asm: New file.
2401 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2402 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2403 (EXTRA_MULTILIB_PARTS): Include it.
2404 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2405 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2406 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2407 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2408 TARGET_SH2.
2410 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2412 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2413 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2414 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2415 VARRAY.
2416 * tree-ssa-live.h: Include vecprim.h.
2417 (tree_partition_associator_d): Change the type of
2418 first_partition to VEC(int,heap) *.
2419 (tpa_first_partition): Use VEC instead of VARRAY.
2421 * Makefile.in (GTFILES): Move functions.h after tree.h.
2422 * function.c (reset_block_changes, record_block_change,
2423 check_block_change, free_block_changes): Use VEC instead of
2424 VARRAY.
2425 * function.h (function): Change the type of
2426 ib_boundaries_block to VEC(tree,gc) *.
2427 * tree-inline.c (copy_cfg_body): Initialize
2428 ib_boundaries_block to NULL instead of (varray_type) 0.
2430 2006-04-12 Roger Sayle <roger@eyesopen.com>
2432 * expr.c (emit_group_store): Correct operand order in call to
2433 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2434 a SUBREG_BYTE of zero.
2436 2006-04-12 Richard Guenther <rguenther@suse.de>
2438 * profile.c (compute_branch_probabilities): Remove code
2439 encapsulated in !ir_type (), which are remanents of the
2440 removed RTL profiling code.
2441 * rtl-profile.c: Remove.
2443 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2445 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2446 magic NULL_RTX comment.
2447 (function_arg): Store entire fp arg to mem if any part should go
2448 on stack.
2449 (rs6000_arg_partial_bytes): Adjust for above change.
2451 2006-04-11 Roger Sayle <roger@eyesopen.com>
2453 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2454 if it hasn't been initialized by dwarf2out_init.
2456 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2458 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2459 symbolic constants in branch patterns.
2461 2006-04-11 Roger Sayle <roger@eyesopen.com>
2463 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2465 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2467 PR rtl-optimization/27073
2468 * gcse.c (try_replace_reg): Revert last change. Continue to search
2469 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2470 on the former.
2472 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2474 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2475 aggregate types other than record and union types.
2476 (function_arg): Likewise.
2477 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2478 small arrays.
2479 (function_value): In 64-bit mode, return objects that require it
2480 in FP registers.
2482 2006-04-11 Roger Sayle <roger@eyesopen.com>
2484 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2486 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2488 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2490 2006-04-03 Jeff Law <law@redhat.com>
2492 PR/27087
2493 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2494 alias information too.
2496 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2498 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2500 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2502 PR/21391
2503 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2504 (premark_used_types_helper): New.
2505 (premark_used_types): New.
2506 (gen_subprogram_die): Call premark_used_types.
2507 (prune_unused_types_walk): Do not prune perennial dies.
2508 * function.c (used_types_insert): New.
2509 * function.h (struct function): Add used_types_hash field.
2510 (used_types_insert): Add prototype.
2511 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2512 * c-parser.c (c_parser_cast_expression): Save casted types in used
2513 types hash table.
2515 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2517 PR target/26459
2518 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2519 rs6000_explicit_options.float_gprs.
2521 2006-04-10 Roger Sayle <roger@eyesopen.com>
2523 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2524 from ix86_expand_vector_init_low_nonzero. Take an additional
2525 one_var argument indicating which element is non-zero. Support
2526 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2527 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2528 with one_var instead of ix86_expand_vector_init_low_nonzero.
2530 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2532 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2533 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2534 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2535 build/genextract.o): Depend on vecprim.h.
2536 * cfglayout.c, df-problems.c, function.c, genextract.c,
2537 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2538 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2539 vecprim.h.
2540 * vecprim.h: New.
2542 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2544 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2545 Declare VECs of this type.
2546 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2547 (remove_children): Delete.
2548 (add_dwarf_attr): Use VEC routines.
2549 (add_AT_flag): Update for changes to add_dwarf_attr.
2550 (add_AT_int): Likewise.
2551 (add_AT_unsigned): Likewise.
2552 (add_AT_long_long): Likewise.
2553 (add_AT_vec): Likewise.
2554 (add_AT_string): Likewise.
2555 (add_AT_die_ref): Likewise.
2556 (add_AT_fde_ref): Likewise.
2557 (add_AT_loc): Likewise.
2558 (add_AT_loc_list): Likewise.
2559 (add_AT_addr): Likewise.
2560 (add_AT_lbl_id): Likewise.
2561 (add_AT_lineptr): Likewise.
2562 (add_AT_macptr): Likewise.
2563 (add_AT_offset): Likewise.
2564 (add_AT_range_list): Likewise.
2565 (get_AT): Use VEC_iterate.
2566 (remove_AT): Use VEC_ordered_remove.
2567 (free_die): Fold remove_children into here; have it use VEC_iterate.
2568 (print_die): Use VEC_iterate on attrs.
2569 (reverse_die_lists): Don't reverse attr lists.
2570 (die_checksum): Use VEC_iterate on attrs.
2571 (same_die_p): Likewise.
2572 (output_location_lists): Likewise.
2573 (build_abbrev_table): Likewise.
2574 (size_of_die): Likewise.
2575 (unmark_all_dies): Likewise.
2576 (output_abbrev_section): Likewise.
2577 (output_die): Likewise.
2578 (prune_unused_types_walk_attribs): Likewise.
2580 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2582 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2584 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2586 PR debug/27057
2587 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2589 2006-04-09 Roger Sayle <roger@eyesopen.com>
2591 * expr.c (store_constructor): Don't bother clearing target if
2592 we're about to assign a vector to it using vec_init_optab.
2594 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2596 * tree-ssa-alias.c (lhs_may_store_to): New function.
2597 (recalculate_used_alone): Handle LHS of calls.
2599 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2601 PR target/27034
2602 PR target/26508
2603 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2604 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2605 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2606 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2607 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2608 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2609 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2610 stubs. Add ".align 8" directives before all ".dword" directives.
2611 (GTHREAD_USE_WEAK): Revise comment.
2612 (TARGET_ATTRIBUTE_WEAK): Define.
2613 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2614 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2615 * stublib.c: New file.
2617 PR target/26743
2618 PR target/11254
2619 PR target/10274
2620 * pa.md (cbranch patterns): Revise arguments used in calls to
2621 output_cbranch, output_bb and output_bvd. Add long branch length
2622 attributes.
2623 (fbranch patterns): Handle long branches.
2624 (jump): Revise length check. Revise arguments for output_lbranch call.
2625 Add long branch length attributes.
2626 (decrement_and_branch_until_zero): Add long branch length attributes.
2627 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2628 Likewise. Revise arguments for output_parallel_addb and
2629 output_parallel_movb calls.
2630 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2631 output_parallel_movb and output_parallel_addb): Update prototypes.
2632 * pa.c (output_cbranch): Revise arguments. Correct handling of
2633 nullification in long branches.
2634 (output_lbranch): Add new argument to control extraction of delay
2635 instruction.
2636 (output_bb): Handle long branches.
2637 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2638 output_parallel_addb): Likewise.
2640 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2642 PR rtl-optimization/27073
2643 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2644 not REG_EQUIVs.
2646 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2648 * tree.h (tree_memory_tag): Add old_used_alone.
2649 (SMT_OLD_USED_ALONE): New macro.
2650 * tree-ssa-alias.c (recalculate_used_alone): Stop
2651 marking things for renaming unnecessarily.
2653 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2655 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2656 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2657 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2658 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2659 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2660 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2661 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2662 spelling convensions.
2663 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2664 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2665 typos. Follow spelling conventions.
2667 2006-04-07 DJ Delorie <dj@redhat.com>
2669 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2670 passed on the stack.
2671 (m32c_init_cumulative_args): When a function returns a structure,
2672 always pass the pointer to that return area on the stack.
2673 (m32c_function_arg_advance): Don't increment the parameter number
2674 if we're processing the returned structure pointer.
2675 (pushm_info): Reverse order of registers.
2677 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2679 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2680 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2681 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2682 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2683 build_int_cst_type.
2684 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2685 chrec_fold_multiply): Same.
2686 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2687 force_expr_to_var_cost): Same.
2688 * tree-mudflap.c (mf_xform_derefs_1): Same.
2689 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2691 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2693 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2694 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2695 insn.
2697 2006-04-07 Jan Hubicka <jh@suse.cz>
2699 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2701 2006-04-07 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/26135
2704 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2705 loads for store copy-prop.
2706 (copy_prop_visit_stmt): Likewise.
2708 2006-04-05 Robert Millan <robertmh@gnu.org>
2710 * config/i386/linux.h: Add a comment to mark macros that are
2711 being overriden in config/k*bsd-gnu.h.
2712 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2713 DYNAMIC_LINKER.
2714 * config/knetbsd-gnu.h: Ditto.
2716 2006-04-06 Jan Hubicka <jh@suse.cz>
2718 PR profile/20815
2719 PR profile/26399
2720 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2721 after buffer.
2723 2006-04-06 Mike Stump <mrs@apple.com>
2725 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2726 for HAVE_nonlocal_goto to be consistent.
2727 (expand_builtin_nonlocal_goto): Likewise.
2728 (expand_builtin_strcmp): Use #ifdef instead of #if
2729 for HAVE_cmpstrnsi to be consistent.
2731 2006-04-05 DJ Delorie <dj@redhat.com>
2733 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2734 vs m32c.
2736 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2738 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2739 got-relative addressing for anything but SImode.
2741 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2742 even if the calling function doesn't modify them.
2744 2006-04-05 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/26919
2747 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2748 to cgraph_estimate_size_after_inlining.
2750 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2752 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2754 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2756 PR tree-optimization/26996
2757 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2758 VECTOR_TYPE variables.
2760 2006-04-05 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/26763
2763 * fold-const.c (fold_comparison): Move folding of
2764 PTR + CST CMP PTR + CST ...
2765 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2767 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2769 * doc/install.texi (Prerequisites): Refine some wording on
2770 bootstrapping and ksh.
2771 Move the version numbers of DejaGnu here from the testing section
2772 and fix casing of names.
2773 Fix markup and clarify wording for autogen requirements.
2774 Refer to GCJ instead of just java.
2775 Refer to SVN instead of CVS.
2776 Describe diffutils as useful instead of necessary.
2777 (Downloading the source): Refer to SVN instead of CVS.
2778 Adjust a link to our web site accordingly.
2779 (Configuration): Fix casing of Bison.
2780 (Building): Refer to SVN instead of CVS.
2781 Fix a sentence on the use of Bison and remove duplicate (and
2782 incorrect) version number of Bison requirement.
2783 Remove one redundant list of packages needed for building.
2784 (Specific): Avoid reference to CVS.
2786 2006-04-04 Eric Christopher <echristo@apple.com>
2788 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2789 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2790 (rs6000_handle_struct_attribute): New.
2791 (rs6000_ms_bitfield_layout_p): Ditto.
2793 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2795 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2796 NULL for dso parameter to atexit_common.
2798 2006-04-04 Eric Christopher <echristo@apple.com>
2800 * config/i386/i386.c (machopic_output_stub): Output \t
2801 between instructions and operands.
2803 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2805 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2806 satisfies_constraint_[IL] to explicit tests on value.
2808 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2810 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2811 set_nb_iterations_in_loop): Use build_int_cst instead of
2812 build_int_cst_type.
2813 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2814 build_int_cst instead of convert.
2816 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2818 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2819 new value 2 for incoming.
2820 * function.c (expand_function_start): Call struct_value_rtx
2821 with incoming as 2.
2822 * config/sparc/sparc.md: Comment updated_return.
2823 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2824 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2825 struct return if sparc_std_struct_return and incoming is 2.
2826 (print_operand): Do not adjust return if
2827 sparc_std_struct_return.
2829 2006-04-04 Roger Sayle <roger@eyesopen.com>
2831 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2832 convert in the middle-end.
2833 * expr.c (store_expr, store_constructor, get_inner_reference,
2834 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2835 Likewise.
2836 * tree.c (build_range_type): Likewise.
2838 2006-04-04 Tom Tromey <tromey@redhat.com>
2840 * doc/install.texi (Prerequisites): Mention jar.
2842 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2844 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2845 subsection.
2847 2006-04-04 Matthias Klose <doko@debian.org>
2849 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2850 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2851 strings.
2853 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2855 * doc/extend.texi (Function Attributes): Rewrite visibility
2856 attribute documentation.
2857 * doc/invoke.texi (C++ Dialect Options): Rewrite
2858 -fvisibility-inlines-hidden documentation to describe something
2859 entirely different, although in practise compatible.
2860 (Code Gen Options): Warn about system headers in -fvisibility=
2861 documentation.
2863 * doc/extend.texi (Other Builtins): Document that
2864 __builtin_nan is a compile-time constant only when its argument
2865 is valid.
2867 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2869 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2870 trying to remove TRUNCATE check if all bits outside the new mode
2871 are identical to the sign bit.
2873 2006-04-03 Jeff Law <law@redhat.com>
2875 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2876 and operand scanning in some common cases.
2878 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2879 Dale Johannesen <dalej@apple.com>
2881 PR target/19653
2882 * regclass.c (struct reg_pref): Update documentation.
2883 (regclass): Set prefclass to NO_REGS if memory is the best option.
2884 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2885 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2886 into account. For non-registers, equate an empty preferred
2887 reload class to a `!' in the constraint; move the if clause to
2888 do so after those that reject the insn.
2889 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2890 return NO_REGS.
2891 (find_dummy_reload): Likewise.
2892 * doc/tm.texi (Register Classes): Document what it means
2893 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2894 * config/i386/i386.c (ix86_preferred_reload_class): Force
2895 using SSE registers (and return NO_REGS for floating-point
2896 constants) if math is done with SSE.
2897 (ix86_preferred_output_reload_class): New.
2898 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2899 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2900 * config/i386/i386.md: Remove # register preferences.
2902 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2904 PR bootstrap/26992
2905 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2906 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2907 the type of nb_iter.
2908 (instantiate_parameters_1): Convert the operands before calling
2909 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2910 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2912 2006-04-02 Roger Sayle <roger@eyesopen.com>
2914 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2915 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2916 instead of convert.
2917 * dojump.c (do_jump): Likewise.
2918 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2919 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2920 gimplify_boolean_expr): Likewise.
2921 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2922 * varasm.c (array_size_for_constructor): Likewise.
2923 * tree-object-size.c (compute_object_offset): Likewise.
2925 2006-04-02 Roger Sayle <roger@eyesopen.com>
2927 PR middle-end/26977
2928 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2929 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2931 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2933 PR tree-optimization/26939
2934 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2936 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2938 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2939 at_stmt. Convert the type of operands before calling
2940 build_polynomial_chrec.
2941 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2942 add_to_evolution_1.
2943 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2944 (instantiate_parameters_1): Convert the type of operands before calling
2945 build_polynomial_chrec.
2946 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2947 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2948 reset_evolution_in_loop): Insert asserts to check the types of the
2949 operands.
2950 (chrec_type): Moved...
2951 (eq_evolutions_p): Use operand_equal_p.
2952 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2953 the types of the operands.
2954 (chrec_type): ...here.
2955 * tree-data-ref.c (create_data_ref): Convert the operands before
2956 calling chrec_replace_initial_condition.
2957 (same_access_functions, analyze_subscript_affine_affine,
2958 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2959 (compute_subscript_distance, analyze_ziv_subscript,
2960 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2961 analyze_miv_subscript): Convert the operands before calling
2962 chrec_fold_minus or chrec_fold_plus.
2964 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2966 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2967 the dependence_relations vector.
2968 (compute_data_dependences_for_loop): Adjust call to
2969 compute_all_dependences.
2971 2006-04-01 Roger Sayle <roger@eyesopen.com>
2972 Richard Henderson <rth@redhat.com>
2974 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2975 gimple_boolify on the condition before calling gimplify_expr.
2977 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2979 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2980 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2981 the frame size. Update to use the new macros.
2982 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2983 * config/xtensa/ieee754-df.S: Likewise.
2985 2006-03-31 Richard Henderson <rth@redhat.com>
2987 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2988 (make_edges): ... here. Control fallthru creation with a local
2989 variable. Do not play with fake edges.
2990 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2991 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2992 a boolean.
2994 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2996 * dwarf2.h (DW64_CIE_ID): Define.
2997 * dwarf2out.c (DWARF_CIE_ID): Define.
2998 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2999 length header. Use DWARF_CIE_ID.
3000 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3001 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3003 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3005 * config/sh/linux-atomic.asm: New file.
3006 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3008 2006-03-31 DJ Delorie <dj@redhat.com>
3010 * config/m32c/cond.md: Set condition flags properly throughout.
3011 * config/m32c/minmax.md: Likewise.
3012 * config/m32c/prologue.md: Likewise.
3013 * config/m32c/bitops.md: Likewise.
3014 * config/m32c/muldiv.md: Likewise.
3015 * config/m32c/mov.md: Likewise.
3016 * config/m32c/addsub.md: Likewise.
3017 * config/m32c/m32c.md: Likewise.
3018 * config/m32c/jump.md: Likewise.
3019 * config/m32c/shift.md: Likewise.
3021 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3022 conditionally output the pattern for this.
3023 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3024 (m32c_compare_redundant): New.
3025 (m32c_output_compare): New.
3026 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3028 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3029 dest, not src. Allow other 4-byte modes.
3031 2006-03-30 Denis Chertykov <denisc@overta.ru>
3033 * doc/md.texi: Refer to avr/constraints.md instead of
3034 avr/avr.h.
3036 2006-03-30 Roger Sayle <roger@eyesopen.com>
3038 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3039 signed vs. unsigned comparison failures on some hosts.
3041 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3043 PR target/26459
3044 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3045 change to FLOAT_REGS.
3047 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3048 (rs6000_override_options): Use it.
3049 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3050 only for -mabi=spe/no-spe and -mabi=altivec.
3052 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3054 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3055 !Zdynamiclib.
3057 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3059 * Makefile.in: Rename docdir to gcc_docdir.
3061 2006-03-30 Roger Sayle <roger@eyesopen.com>
3063 PR target/17959
3064 * expr.c (emit_group_store): Optimize group stores into a pseudo
3065 register by using a paradoxical subreg to initialize the destination
3066 if the first or last member of the group specifies a "low part".
3068 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3070 PR target/26734
3071 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3072 * target.h (struct gcc_target.speculate_insn): Change type of the
3073 second parameter to 'int'.
3074 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3075 the second operand of the DEPS_LIST.
3076 (copy_DEPS_LIST_list): Update reference to the second operand of the
3077 DEPS_LIST.
3078 * rtl.h (alloc_DEPS_LIST): Update signature.
3079 * sched-int.h (ds_t): Change typedef to 'int'.
3080 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3082 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3084 * haifa-sched.c (try_ready): Change condition to restore
3085 non-speculative pattern of the instruction.
3086 (process_insn_depend_be_in_spec): Code to keep probability of the
3087 speculative dependence non-decreasing.
3089 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3091 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3092 (single_move_for_movmem): ... this. Also change all uses.
3093 (bfin_expand_strmov): Renamed to...
3094 (bfin_expand_movmem): ... this. Also change all uses.
3095 * config/bfin/bfin.md (movstrsi): Renamed to...
3096 (movstrsi): ...this.
3098 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3100 PR tree-optimization/26830
3102 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3103 (copy_prop_visit_stmt): Remove write-only variable ann.
3104 (init_copy_prop): Check variable loop depth here. Do not simulate
3105 memory-tag and virtual operand PHIs except for store copy prop.
3107 2006-03-30 Richard Guenther <rguenther@suse.de>
3109 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3110 variants with double arguments.
3112 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3114 * genpreds.c (write_tm_constrs_h): Delete variable p.
3115 * genconditions.c (write_header): Add tm-constrs.h to included
3116 headers.
3117 * genpeep.c (main): Add toplev.h to included headers.
3118 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3119 (build/genpeep.o): Add toplev.h dependency.
3120 * config/rs6000/constraints.md: Add "W" constraint.
3122 2006-03-29 Roger Sayle <roger@eyesopen.com>
3124 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3125 sizes by correctly testing whether the size fits a host integer.
3126 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3127 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3128 SImode range for the default sizetype and bitsizetype.
3130 2006-03-29 Roger Sayle <roger@eyesopen.com>
3132 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3133 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3134 quickly if the argument is already of the correct type.
3135 Call fold_build1 instead of build1. Tidy up blank lines.
3137 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3139 * genemit.c (main): Add tm-constrs.h to included headers.
3140 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3141 * genpeep.c (main): Add tm-constrs.h to included headers.
3142 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3143 (write_tm_constrs_h): this and write complete file.
3144 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3145 (write_insn_preds_c): Add tm-constrs.h to included headers.
3146 (gen_constrs): New variable.
3147 (parse_option): Parse "-c".
3148 (main): Invoke write_tm_constrs_h.
3149 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3150 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3151 (object_out_file): Add tm-constrs.h dependency.
3152 (insn-emit.o): Same.
3153 (insn-output.o): Same.
3154 (insn-peep.o): Same.
3155 (insn-preds.o): Same.
3156 (insn-recog.o): Same.
3157 (tm-constsr.h): New target.
3158 (s-constrs-h): New target.
3160 * config/rs6000/constraints.md: New file.
3161 * config/rs6000/rs6000.c: Include tm-constrs.h.
3162 (num_insn_constant_wide): Convert to satisfies_constraint.
3163 (rs6000_rtx_costs): Convert to satisfies_constraint.
3164 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3165 (CONST_OK_FOR_LETTER_P): Delete.
3166 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3167 (EXTRA_CONSTRAINT): Delete.
3168 (EXTRA_MEMORY_CONSTRAINT): Delete.
3169 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3170 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3171 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3172 satisfies_constraint.
3174 * config/i386/i386.c: Include tm-constrs.h.
3176 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3178 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3179 * tree-data-ref.c (find_data_references_in_loop,
3180 compute_data_dependences_for_loop): Use pointers to VEC.
3181 (analyze_all_data_dependences): Adjust calls.
3182 * tree-data-ref.h (find_data_references_in_loop,
3183 compute_data_dependences_for_loop): Adjust declarations.
3184 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3185 compute_data_dependences_for_loop.
3187 2006-03-29 Paul Brook <paul@codesourcery.com>
3189 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3190 (movdf_vfp): Ditto.
3192 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3194 PR tree-optimization/26859
3195 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3196 division by zero.
3197 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3198 for the step after fold_convert.
3200 2006-03-29 Paul Brook <paul@codesourcery.com>
3202 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3203 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3205 2006-03-29 Paul Brook <paul@codesourcery.com>
3207 PR middle-end/23623
3208 * targhooks.c (default_narrow_bitfield): New fuction.
3209 * targhooks.h (default_narrow_bitfield): add prototype.
3210 * target.h (gcc_target): Add narrow_volatile_bitfield.
3211 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3212 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3213 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3214 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3216 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3218 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3219 tmake_file.
3220 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3221 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3222 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3223 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3224 (s390_function_arg_float): Allow SDmode and DDmode values to be
3225 passed in floating point registers.
3226 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3227 check with SCALAR_FLOAT_MODE_P.
3228 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3230 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3232 PR tree-optimization/25985
3233 * tree-ssa-loop-niter.c (number_of_iterations_le,
3234 number_of_iterations_ne): Make comments more precise.
3235 (number_of_iterations_cond): Add only_exit argument. Use the
3236 fact that signed variables do not overflow only when only_exit
3237 is true.
3238 (loop_only_exit_p): New.
3239 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3240 number_of_iterations_cond.
3242 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3244 PR tree-optimization/26643
3245 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3246 bit_field_refs.
3248 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3250 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3251 (divsi3_i4_int): Likewise.
3253 2006-03-28 Roger Sayle <roger@eyesopen.com>
3255 * expr.c (emit_group_store): Only create a new pseudo reg if the
3256 quantity it needs to hold isn't already a suitable pseudo.
3258 2006-03-28 Jeff Law <law@redhat.com>
3260 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3261 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3263 2006-03-28 Roger Sayle <roger@eyesopen.com>
3265 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3266 the equivalent ~X & Y, and the symmetry related transformations.
3267 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3268 ~X & Y, and symmetry related transforms.
3270 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3272 Revert my 2006-03-27 patches.
3274 2006-03-28 Roger Sayle <roger@eyesopen.com>
3276 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3277 ~(T1)X, when T1 and T2 are integer types of the same precision
3278 and (T2)X isn't an extension.
3280 2006-03-28 Jeff Law <law@redhat.com>
3282 PR tree-optimization/26796
3283 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3284 need EH edge cleanups rather than purging them immediately.
3285 (eliminate_degenerate_phis): Handle queued EH cleanups.
3287 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3289 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3290 from parent_var.
3292 2006-03-27 Roger Sayle <roger@eyesopen.com>
3294 PR middle-end/22524
3295 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3296 cast BIT_NOT_EXPR operand to the correct type.
3298 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3300 * tree-loop-linear.c: Don't include varray.h.
3301 (gather_interchange_stats, try_interchange_loops,
3302 linear_transform_loops): Use VEC instead of VARRAY.
3303 * lambda-mat.c: Don't include varray.h.
3304 * tree-chrec.c: Same.
3305 * lambda-trans.c: Same.
3306 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3307 VEC instead of VARRAY.
3308 * tree-vectorizer.h: Idem.
3309 * tree-data-ref.c (dump_data_references,
3310 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3311 initialize_data_dependence_relation, finalize_ddr_dependent,
3312 compute_all_dependences, find_data_references_in_loop,
3313 compute_data_dependences_for_loop, analyze_all_data_dependences,
3314 free_dependence_relation, free_dependence_relations,
3315 free_data_refs): Idem.
3316 * tree-data-ref.h (data_reference_p, subscript_p): New.
3317 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3318 VEC instead of VARRAY.
3319 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3320 (find_data_references_in_loop, compute_data_dependences_for_loop,
3321 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3322 dump_data_dependence_relations, free_dependence_relations,
3323 free_data_refs): Adjust declaration.
3324 (lambda_transform_legal_p): Move declaration here...
3325 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3326 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3327 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3328 vect_analyze_data_refs): Use VEC instead of VARRAY.
3329 * lambda.h (lambda_transform_legal_p): ...from here.
3330 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3331 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3332 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3333 tree-chrec.o): Don't depend on VARRAY_H.
3335 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3337 * rtl.def (Copyright): Update date.
3338 (DEPS_LIST): Change type of the second operand to 'int'.
3339 * target.h (Copyright): Update date.
3340 (struct gcc_target.speculate_insn): Change type of the second parameter
3341 to 'int'.
3342 * lists.c (Copyright): Update date.
3343 (alloc_DEPS_LIST): Change signature. Update reference to the second
3344 operand of the DEPS_LIST.
3345 (copy_DEPS_LIST_list): Update reference to the second operand of the
3346 DEPS_LIST.
3347 * rtl.h (Copyright): Update date.
3348 (alloc_DEPS_LIST): Update signature.
3349 * sched-int.h (Copyright): Update date.
3350 (ds_t): Change typedef to 'int'.
3351 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3353 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3355 * haifa-sched.c (Copyright): Update date.
3356 (try_ready): Change condition to restore non-speculative pattern
3357 of the instruction.
3358 (process_insn_depend_be_in_spec): Code to keep probability of the
3359 speculative dependence non-decreasing.
3361 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3363 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3364 shut up the compiler.
3366 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3368 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3369 to use lib prefix for target.
3370 ($(T)libic_invalidate_array_4-200.a): Likewise.
3371 ($(T)libic_invalidate_array_4a.a): Likewise.
3373 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3374 J"orn Rennecke <joern.rennecke@st.com>
3376 * superh.opt: New file.
3377 * sh.c (boardtype, osruntime): Remove.
3378 * superh.h (SUBTARGET_OPTIONS): Remove.
3379 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3381 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3382 arguments with ^ and/or [].
3384 * config.gcc (sh-*-*): Add quoting to account for quirk of
3385 Solaris /bin/sh.
3386 Replace == with = in enable_incomplete_targets test.
3388 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3389 with MASK_LITTLE_ENDIAN.
3391 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3392 * config/sh/sh.opt: Added to some comments.
3393 * config/sh/superh.h: Removed some chaff.
3395 * config/sh/sh.opt: Add m4-[1234]00* options.
3396 * config/sh/sh.c (sh_handle_option): Likewise.
3397 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3398 (ic_invalidate_array_4-100.o): New rule.
3399 ($(T)libic_invalidate_array_4-100.a): Likewise.
3400 (ic_invalidate_array_4-200.o): Likewise.
3401 ($(T)libic_invalidate_array_4-200.a): Likewise.
3402 (ic_invalidate_array_4a.o): Likewise.
3403 ($(T)libic_invalidate_array_4a.a): Likewise.
3404 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3405 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3406 m4-200*, and m4a*.
3407 * config/sh/crt1.asm: Merged in profiling code.
3408 * config/sh/superh.h (STARTFILE_SPEC): Override.
3409 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3410 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3411 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3413 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3414 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3415 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3417 * sh.opt (mpretend-cmove): New option.
3418 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3419 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3420 (movsicc): Add TARGET_PRETEND_CMOVE code.
3422 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3424 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3425 s390_class_max_nregs): New function prototypes.
3426 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3427 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3428 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3429 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3431 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3433 * dwarf2out.c (add_location_or_const_value_attribute): Call
3434 tree_add_const_value_attribute if nothing else works.
3435 (reference_to_unused): New.
3436 (rtl_for_decl_init): Use reference_to_unused to decide whether
3437 to output an initializer.
3439 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3441 PR target/26459
3442 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3443 peephole removing spe frob_di_df_2.
3445 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3447 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3448 (subscript_dependence_tester_1): Declared.
3449 (print_dir_vectors, print_dist_vectors): New.
3450 (debug_data_dependence_relation): New.
3451 (dump_data_dependence_relation): Print more details.
3452 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3453 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3454 (save_dist_v, save_dir_v, add_outer_distances,
3455 build_classic_dist_vector_1): New.
3456 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3457 Don't test for lambda_vector_lexico_pos.
3458 (same_access_functions, add_multivariate_self_dist,
3459 add_other_self_distances, dir_from_dist): New.
3460 (build_classic_dir_vector): Replace implementation almost identical to
3461 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3462 dir_from_dist.
3463 (subscript_dependence_tester_1): New.
3464 (subscript_dependence_tester): Handle the lexicographically negative
3465 distance vectors by recomputing the dependence relation.
3466 (compute_affine_dependence): Remove parameter loop_nest_depth.
3467 (compute_self_dependence): Don't call compute_subscript_distance.
3468 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3469 Add a parameter for the loop_nest.
3470 (find_loop_nest_1, find_loop_nest): New.
3471 (compute_data_dependences_for_loop): Compute the loop nest, and give
3472 up if the nest is not well formed.
3473 * tree-data-ref.h (loop_p): New.
3474 (struct data_dependence_relation): Replace size_vect field with
3475 loop_nest, a vec of loops.
3476 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3477 (DDR_LOOP_NEST): New.
3478 (print_dir_vectors, print_dist_vectors,
3479 debug_data_dependence_relation): Declared.
3480 (index_in_loop_nest): New.
3481 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3482 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3483 distance.
3485 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3487 * simplify-rtx.c (simplify_relational_operation): Call
3488 simplify_relational_operation_1 even if mode is VOIDmode.
3490 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3492 PR tree-optimization/26804
3493 * tree.h (DECL_CALL_CLOBBERED): New macro.
3494 (tree_decl_common): Add call_clobbered_flag.
3495 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3496 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3497 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3498 (mark_non_addressable): Ditto.
3499 * tree-ssa.c (verify_call_clobbered): New function.
3500 (verify_alias_info): Use it.
3501 * tree-pass.h (pass_reset_cc_flags): New prototype.
3502 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3503 (reset_cc_flags): New function.
3504 * passes.c (init_optimization_passes): Call reset_cc_flags after
3505 initializing referenced_vars.
3507 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3508 Roger Sayle <roger@eyesopen.com>
3510 PR middle-end/26717
3511 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3512 to 1.0 for non-real operands. Implement A / A optimization for
3513 complex operands.
3515 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3517 * config/i386/i386.c (size_cost): Correct the comment for
3518 cost of storing fp registers.
3519 (i386_cost): Likewise.
3520 (i486_cost): Likewise.
3521 (pentium_cost): Likewise.
3522 (pentiumpro_cost): Likewise.
3523 (k6_cost): Likewise.
3524 (athlon_cost): Likewise.
3525 (k8_cost): Likewise.
3526 (pentium4_cost): Likewise.
3527 (nocona_cost): Likewise.
3528 (generic64_cost): Likewise.
3529 (generic32_cost): Likewise.
3531 2006-03-24 Denis Chertykov <denisc@overta.ru>
3533 * config/avr/avr-protos.h (extra_constraint): Delete.
3534 (extra_constraint_Q): New declaration.
3535 * config/avr/constraints.md: New file.
3536 * config/avr/avr.md: Include it.
3537 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3538 (TMP_REGNO, ZERO_REGNO): Likewise.
3539 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3540 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3541 (extra_constraint): Delete.
3542 (extra_constraint_Q): Test for memory constraint 'Q'.
3543 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3544 (REG_CLASS_FROM_LETTER): Delete.
3545 (CONST_OK_FOR_LETTER_P): Delete.
3546 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3547 (EXTRA_CONSTRAINT): Delete.
3548 (TMP_REGNO): Delete.
3549 (ZERO_REGNO): Delete.
3551 2006-03-24 Jeff Law <law@redhat.com>
3553 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3554 directly. Call mark_new_vars_to_rename slightly earlier.
3556 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3558 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3559 (is_cxx): Likewise.
3560 (gen_compile_unit_die): Use new language types for Objective-C and
3561 Objective-C++.
3562 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3563 DW_LANG_C_plus_plus.
3565 PR 26793
3566 * config/t-darwin (crt3.o): Work around bug 26840.
3567 * config/darwin-crt3.c: Rewrite.
3568 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3570 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3572 * doc/invoke.texi: Document -femit-class-debug-always
3573 * common.opt: Add -femit-class-debug-always.
3575 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3577 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3578 index and base register.
3579 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3580 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3581 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3582 REGNO_OK_FOR_INDEX_P.
3583 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3584 ADDR_REGNO_P.
3585 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3586 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3587 REG_OK_FOR_BASE_P): Definitions removed.
3589 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3591 PR middle-end/26611
3592 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3593 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3594 set yet or weren't marked as local yet.
3596 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3598 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3599 the compiler.
3601 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3603 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3604 (rs6000_legitimate_small_data_p): Delete.
3605 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3606 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3607 and make static. Add forward declaration. Update uses.
3608 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3609 of offsettable_memref_p.
3610 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3611 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3613 2006-03-24 Jeff Law <law@redhat.com>
3615 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3616 around bug in immediate-use iterator.
3618 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3620 PR target/26607
3621 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3622 or __LITTLE_ENDIAN__.
3624 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3626 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3627 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3628 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3629 * config/sh/sh.opt (mdiv=): Amend description.
3630 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3631 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3632 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3633 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3634 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3635 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3636 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3637 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3638 TARGET_DIVIDE_CALL_FP.
3640 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3642 * haifa-sched.c (choose_ready): Fix type of the local variable.
3643 Move local variables. Add comment.
3644 (check_reg_live): Change signature. Make callable from debugger.
3645 * sched-int.h (check_reg_live): Update signature.
3646 * sched-ebb.c (check_reg_live): Update parameters.
3647 * sched-rgn.c (check_reg_live): Ditto.
3648 (region_head_or_leaf_p): Check pointer before dereferencing.
3649 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3650 before reload on optimization levels below 1.
3652 2006-03-23 Richard Henderson <rth@redhat.com>
3654 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3655 tls symbols.
3657 PR target/26347
3658 * config/alpha/predicates.md (local_symbolic_operand): Reject
3659 weak symbols.
3661 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3663 PR tree-opt/26795
3664 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3665 expressions which have overflowed constants.
3667 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3669 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3671 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3673 * cfgloopmanip.c (create_loop_notes): Removed.
3674 * final.c (final_scan_insn): Do not handle loop notes.
3675 * jump.c (squeeze_notes): Ditto.
3676 * cfglayout.c (skip_insns_after_block,
3677 duplicate_insn_chain): Ditto.
3678 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3679 create_loop_notes.
3680 * cfgloop.h (create_loop_notes): Declaration removed.
3682 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3684 * varasm.c (output_constant_pool): Restore fnname and fndecl
3685 arguments.
3686 (assemble_start_function): Adjust call accordingly.
3687 (assemble_end_function): Likewise.
3689 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3691 PR mudflap/26789
3692 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3694 PR mudflap/26790
3695 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3697 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3699 PR driver/22600
3700 * system.h (ICE_EXIT_CODE): New macro.
3701 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3702 (diagnostic_action_after_output): Likewise.
3703 * gcc.c (fatal_ice): New function.
3704 (execute): Use it instead of fatal.
3705 (fancy_abort): Likewise.
3706 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3708 2006-03-22 Jeff Law <law@redhat.com>
3710 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3711 iv_analyze_result returning false.
3713 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3715 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3717 2006-03-22 Richard Henderson <rth@redhat.com>
3719 PR middle-end/26084
3720 * except.c (duplicate_eh_regions_0): New.
3721 (duplicate_eh_region_1): Duplicate the children of the node as
3722 well as the node itself. Link them up properly.
3723 (duplicate_eh_region_2): Merge into ...
3724 (duplicate_eh_regions): ... here. Take copy_region argument, and
3725 copy only a sub-tree if asked. Simplify copying and fixup.
3726 (eh_region_outer_p): New.
3727 * except.h (duplicate_eh_regions): Update decl.
3728 (eh_region_outer_p): Declare.
3729 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3730 (lower_omp_master): Likewise.
3731 (lower_omp_ordered): Likewise.
3732 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3733 (move_stmt_r): Use it to remap labels. Handle recursion vs
3734 remap_decls_p properly.
3735 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3736 (find_outermost_region_in_block): New.
3737 (new_label_mapper): New.
3738 (move_sese_region_to_fn): Copy eh information to the new function
3739 properly.
3740 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3741 argument.
3742 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3743 number.
3745 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3747 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3748 into shared libraries.
3750 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3752 * doc/md.texi: Refer to i386/constraints.md instead of
3753 i386/predicates.md.
3754 * config/i386/constraints.md: New file, extracted from...
3755 * config/i386/predicates.md: ...here.
3756 * config/i386/i386.md: Include constraints.md.
3758 2006-03-21 Jason Merrill <jason@redhat.com>
3760 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3762 PR middle-end/20297
3763 * expr.c (init_block_move_fn): Force default visibility.
3764 (init_block_clear_fn): Likewise.
3765 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3766 * targhooks.c (default_external_stack_protect_fail): Likewise.
3768 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3770 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3771 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3772 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3773 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3774 (loadgp): Use mips_current_loadgp_style.
3775 (loadgp_noshared): New pattern.
3776 (sibcall_internal): Use MIPS_CALL.
3777 (sibcall_value_internal): Likewise.
3778 (sibcall_value_multiple_internal): Likewise.
3779 (call_internal): Likewise.
3780 (call_value_internal): Likewise.
3781 (call_value_multiple_internal): Likewise.
3782 (call_split): Use MIPS_CALL and add an 'S' constraint.
3783 (call_value_split): Likewise.
3784 (call_value_multiple_split): Likewise.
3785 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3786 (-mshared): New option.
3787 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3788 (mips_current_loadgp_style): Declare.
3789 * config/mips/mips.c (mips_classify_symbol): Avoid using
3790 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3791 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3792 TARGET_ABSOLUTE_ABICALLS.
3793 (override_options): Adjust comments. Improve the warning that is
3794 issued when -mabicalls and -G are used together.
3795 (mips_file_start): Remove comment.
3796 (mips_current_loadgp_style): New function.
3797 (mips_gnu_local_gp): New variable.
3798 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3799 LOADGP_ABSOLUTE.
3800 (mips_output_function_prologue): Use mips_current_laodgp_style.
3801 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3802 the cprestore instruction.
3803 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3804 live for TARGET_ABSOLUTE_ABICALLS.
3805 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3806 (ASM_SPEC): Pass down -mshared and -mno-shared.
3807 (MIPS_CALL): New macro.
3808 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3809 definition.
3810 * doc/invoke.texi (-mabicalls): Update documentation.
3811 (-mshared): Document.
3813 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3815 * config/ia64/unwind-hpux.c: New file.
3816 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3818 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3820 PR libgomp/26384
3821 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3823 2006-03-21 Jeff Law <law@redhat.com>
3825 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3826 type conversions of a VR_VARYING source to a wider type.
3828 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3830 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3831 tm_file on Solaris 10 and later.
3832 (sparc64-*-solaris2*): Likewise.
3833 (sparc-*-solaris2*): Likewise.
3834 * config/sol26.h: Rename to config/sol2-6.h.
3835 * config/sol2-10.h: New file.
3837 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3839 PR tree-opt/26781
3840 * tree-ssa-pre.c (create_component_ref_by_pieces):
3841 Handle STRING_CST.
3843 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3845 PR c++/26690
3846 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3847 return it immediately.
3849 2006-03-21 Michael Matz <matz@suse.de>
3851 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3852 New members.
3853 (remove_arc, add_arc): Update num_out_arcs member.
3854 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3855 of out arcs.
3856 (cache_presence): New function.
3857 (compare_states_for_equiv): New function.
3858 (state_is_differed): Don't take number of outargs, adjust callers.
3859 Use new invariant for speeding up.
3860 (init_equiv_class): Create initial classes based on sorted
3861 input.
3862 (partition_equiv_class): Don't track out_arcs_num.
3863 (evaluate_equiv_classes): Call cache_presence on all states and
3864 sort them.
3866 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3868 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3869 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3870 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3871 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3872 callers changed.
3873 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3874 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3875 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3876 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3877 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3878 macros.
3879 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3880 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3881 (REGNO_REG_CLASS): ARGP is in PREGS.
3882 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3883 IREGS.
3884 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3885 to deal with those addresses.
3886 * addresses.h: New file.
3887 * caller-save.c: Include "addresses.h".
3888 (init_caller_save): Use new base_reg_class function.
3889 * rtl-factoring.c: Include "addresses.h".
3890 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3891 * recog.c: Include "addresses.h".
3892 (preprocess_constraints): Use new base_reg_class function.
3893 * regrename.c: Include "addresses.h".
3894 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3895 functions. Keep track of a new var INDEX_CODE to compute valid
3896 classes.
3897 (replace_oldest_value_addr): Likewise.
3898 (replace_oldest_value_mem): Use base_reg_class.
3899 * reload.c: Include "addresses.h".
3900 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3901 (find_reloads): Use new base_reg_class function.
3902 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3903 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3904 all callers and prototype changed.
3905 * reload1.c: Include "addresses.h".
3906 (maybe_fix_stack_asms): Use base_reg_class.
3907 * regclass.c: Include "addresses.h".
3908 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3909 (init_reg_autoinc): Use new base_reg_class function.
3910 (record_reg_classes): Likewise.
3911 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3912 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3913 Use new args to compute necessary class.
3915 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3916 regrename.o, rtl-factoring.o): Update dependencies.
3917 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3918 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3919 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3920 REG_OK_FOR_INDEX_P): Delete documentation.
3922 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3924 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3925 from V7 to V9 for Solaris 7 and above.
3927 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3929 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3930 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3931 argument pointers may not alias any other storage.
3932 * common.opt: Define option -fargument-noalias-anything.
3933 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3934 alias semantics is specified by flag_argument_noalias > 2.
3936 2006-03-20 Jeff Law <law@redhat.com>
3938 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3939 (pass_phi_only_cprop): Declare.
3940 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3941 with phi_only_cprop
3942 * tree-ssa-dom.c (degenerate_phi_result): New function.
3943 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3944 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3945 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3946 (eliminate_degenerate_phis): Likewise.
3947 (pass_phi_only_cprop): New pass descriptor.
3948 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3949 support code. Callers updated.
3950 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3951 (store_copy_prop): Likewise.
3952 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3954 2006-03-20 Jason Merrill <jason@redhat.com>
3956 PR c++/21764
3957 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3958 (push_visibility, pop_visibility): Likewise.
3959 * c-pragma.h: Declare them.
3961 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3963 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3965 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3966 parameter and use get_ebb_head_tail.
3967 (sh_md_init_global): Adjust uses of find_regmode_weight.
3969 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3971 * function.h (struct function) <x_tail_recursion_reentry>:
3972 Rename to x_stack_check_probe_note.
3973 (tail_recursion_reentry): Rename to stack_check_probe_note.
3974 * function.c: Replace tail_recursion_reentry with
3975 stack_check_probe_note everywhere.
3976 (expand_function_start): Only emit a note for
3977 stack_check_probe_note with -fstack-protect.
3978 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3980 * emit-rtl.c (remove_unnecessary_notes): Remove.
3981 (pass_remove_unnecessary_notes): Remove.
3982 * rtl.h (remove_unnecessary_notes): Remove prototype.
3983 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3984 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3985 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3987 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3989 PR tree-opt/26629
3990 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3991 (valid_in_set): Handle ARRAY_REF.
3992 Change "if min_variant or VH" to asserts.
3993 (create_component_ref_by_pieces): Handle ARRAY_REF.
3994 (create_expression_by_pieces): Likewise.
3995 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3997 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3999 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4000 is operand of switch, not str[0].
4002 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4004 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4005 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4007 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4009 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4010 end of insn_extra_address_constraint declaration.
4012 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4014 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4015 (no-sum-in-toc): Same.
4016 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4017 variables.
4018 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4019 NO_FP_IN_TOC for -fPIC instead of mask.
4021 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4022 (BOOT_LDFLAGS): Delete.
4023 (LDFLAGS): Delete.
4024 * config/rs6000/t-aix52: Same.
4026 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4027 (stmsi[345678]_power): New.
4029 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4031 * config/ia64/ia64.opt: Add empty line to end of file.
4033 2006-03-17 Richard Guenther <rguenther@suse.de>
4035 PR middle-end/26721
4036 * builtins.c (get_pointer_alignment): For component style references
4037 adjust alignment to the component type alignment. Make sure
4038 to adjust alignment for component access of constants.
4040 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4042 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4043 unconditional jump.
4045 2006-03-17 Paul Brook <paul@codesourcery.com>
4047 * doc/install.texi: Docuemnt --with-mode.
4048 * config.gcc: Add --with-mode for arm*-*-*.
4049 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4051 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4053 * sh.c (max_labelno_before_reorg): New variable.
4054 (sh_reorg): Initialize it.
4055 (find_barrier): Check max_labelno_before_reorg before using
4056 label_to_alignment. Take length of explicit alignment insns
4057 into account. When seeing a UNSPECV_CONST_END, return it.
4059 * sh.c (fixup_mova): Set mode of affected label to QImode.
4060 (untangle_mova): New function.
4061 (find_barrier): Use it. Check mode of label before decrementing
4062 num_mova.
4063 (sh_reorg): Likewise.
4064 Set mode of all insns back to VOIDmode.
4066 * sh.c (MOVA_LABELREF): New macro.
4067 (mova_p, fixup_mova, sh_reorg): Use it.
4068 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4069 ADDR_DIFF_VEC matches mova.
4071 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4073 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4074 with ATTRIBUTE_UNUSED.
4076 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4078 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4079 pointer, instead of assuming it is possible to derive the
4080 correct args size from a call insn.
4082 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4084 * rtl.h (CONST_INT_P): Define.
4085 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4086 instead of GET_CODE(x) == CONST_INT.
4087 (vax_rtx_costs): Likewise.
4088 (vax_output_int_move): Likewise.
4089 (vax_output_int_add): Likewise.
4090 (legitimate_constant_address_p): Likewise.
4091 (index_term_p): Likewise.
4092 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4093 * config/vax/vax.md (and<mode>3): Likewise.
4094 (ashrsi3): Likewise.
4095 (extv): Likewise.
4096 (movstricthi): Likewise.
4097 (movstrictqi): Likewise.
4098 (rotrsi3): Likewise.
4099 (five unnamed insns): Likewise.
4101 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4103 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4104 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4105 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4106 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4107 Pass to ASM_OUTPUT_DWARF_OFFSET.
4108 * dwarf2out.c (debug_frame_section): New.
4109 (output_call_frame_info): Use debug_frame_section. Pass it to
4110 dw2_asm_output_offset.
4111 (output_die): Pass appropriate section to dw2_asm_output_offset.
4112 (output_compilation_unit_header): Likewise.
4113 (output_pubnames): Likewise.
4114 (output_aranges): Likewise.
4115 (enum dw_val_class): Break dw_val_class_lbl_offset into
4116 dw_val_class_lineptr and dw_val_class_macptr.
4117 (add_AT_lbl_offset): Delete.
4118 (add_AT_lineptr): New.
4119 (add_AT_macptr): New.
4120 (AT_lbl): Expect a lineptr or macptr.
4121 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4122 (attr_checksum): Likewise.
4123 (same_dw_val_p): Likewise.
4124 (size_of_die): Likewise.
4125 (value_format): Likewise.
4126 (output_die): Likewise.
4127 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4128 add_AT_lbl_offset.
4129 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4130 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4131 * config/darwin-protos.h (darwin_file_start): New.
4132 (darwin_asm_output_dwarf_offset): New.
4133 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4134 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4135 darwin_file_start.
4136 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4137 if not EH section; simplify.
4138 (darwin_file_start): New.
4139 (darwin_asm_output_dwarf_offset): New.
4140 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4141 mark as 'debug'.
4142 (DEBUG_INFO_SECTION): Likewise.
4143 (DEBUG_ABBREV_SECTION): Likewise.
4144 (DEBUG_ARANGES_SECTION): Likewise.
4145 (DEBUG_MACINFO_SECTION): Likewise.
4146 (DEBUG_LINE_SECTION): Likewise.
4147 (DEBUG_LOC_SECTION): Likewise.
4148 (DEBUG_PUBNAMES_SECTION): Likewise.
4149 (DEBUG_STR_SECTION): Likewise.
4150 (DEBUG_RANGES_SECTION): Likewise.
4151 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4152 (ASM_OUTPUT_DWARF_OFFSET): New.
4154 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4156 * config.gcc (tm_defines): Always add to previous value rather
4157 than replacing it.
4159 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4161 * config/mips/predicates.md (splittable_const_int_operand): New,
4162 split from move_operand.
4163 (splittable_symbolic_operand): New.
4164 (move_operand): Add commentary. Use splittable_const_int_operand.
4165 Inline mips_atomic_symbolic_constant_p.
4166 * config/mips/mips.md: Add combine splitters for handling moves
4167 of splittable_const_int_operands and splittable_symbolic_operands.
4168 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4169 (mips_split_symbol): Declare.
4170 (mips_move_integer): Declare.
4171 * config/mips/mips.c (mips_split_p): Make global.
4172 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4173 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4174 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4175 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4176 (mips_offset_within_object_p): Handle block symbols.
4177 (mips_atomic_symbolic_constant_p): Delete.
4178 (mips_cannot_force_const_mem): Return false for constants that
4179 mips_legitimize_move can handle.
4180 (mips_use_blocks_for_constant_p): New function.
4181 (mips_split_symbol): Make global.
4182 (mips_move_integer): Likewise. Add a temporary register argument.
4183 (mips_legitimize_const_move): Use splittable_const_int_operand and
4184 splittable_symbolic_operand.
4185 (mips_use_anchors_for_symbol_p): New function.
4186 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4187 (mips_split_p): Declare.
4189 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4191 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4192 (mips*-*-linux*): Likewise.
4194 2006-03-16 Roger Sayle <roger@eyesopen.com>
4195 Daniel Speyer <dspeyer@wam.umd.edu>
4197 PR middle-end/18259
4198 * tree-dump.c (dump_real): New function.
4199 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4200 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4201 (tree-dump.o): Add $(REAL_H) to the dependencies.
4203 2006-03-16 Roger Sayle <roger@eyesopen.com>
4205 PR middle-end/21781
4206 * real.c (real_from_string): If the mantissa is zero, don't bother
4207 parsing the exponent as the result should always be zero.
4209 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4211 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4213 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4215 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4216 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4217 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4218 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4219 ia64_sched_finish_global): New static functions to implement
4220 hooks from gcc_target.sched.
4221 (spec_check_no, max_uid, pending_data_specs): New static variables.
4222 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4223 ia64_spec_check_src_p): New static functions.
4224 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4225 (TARGET_SCHED_ADJUST_COST): Removed.
4226 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4227 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4228 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4229 TARGET_SCHED_GEN_CHECK,
4230 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4231 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4232 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4233 Fixed to handle speculation checks.
4234 (rtx_needs_barrier): Fixed to handle speculative loads and
4235 their checks.
4236 (ia64_variable_issue): Added code to count speculative loads and their
4237 checks.
4238 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4239 speculative loads.
4240 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4241 New enumerations.
4242 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4243 New constants.
4244 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4245 (ia64_reorg): Reset stops_p to NULL after it is freed.
4246 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4247 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4248 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4249 chk_a.
4250 (data_speculative, control_speculative, check_load): New attributes.
4251 (mov<mode>_advanced, mov<mode>_speculative,
4252 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4253 zero_extend<mode>di2_speculative,
4254 zero_extend<mode>di2_speculative_advanced): New patterns for
4255 data and control speculative loads.
4256 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4257 check loads.
4258 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4259 New pattern for data and control speculation checks.
4260 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4261 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4262 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4263 Auxiliary definitions for the patterns.
4264 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4265 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4266 constraints.
4267 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4268 for speculation.
4269 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4270 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4271 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4272 New resource constraints.
4273 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4274 for speculation.
4275 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4276 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4277 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4278 msched-in-control-spec, msched-ldc, msched-control-ldc,
4279 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4280 msched-prefer-non-control-spec-insns,
4281 msched-count-spec-in-critical-path): New flags to tune speculative
4282 scheduling.
4283 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4284 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4285 msched-in-control-spec, msched-ldc, msched-control-ldc,
4286 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4287 msched-prefer-non-control-spec-insns,
4288 msched-count-spec-in-critical-path): Document new flags.
4290 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4292 * target.h (struct spec_info_def): New opaque declaration.
4293 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4294 speculate_insn, needs_block_p, gen_check,
4295 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4296 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4297 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4298 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4299 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4300 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4301 gcc_target.sched.
4302 (TARGET_SCHED): Use new macros.
4303 * rtl.h (copy_DEPS_LIST_list): New prototype.
4304 * sched-int.h (struct sched_info): Change signature of new_ready field,
4305 adjust all initializations. New fields: add_remove_insn,
4306 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4307 region_head_or_leaf_p.
4308 (struct spec_info_def): New structure declaration.
4309 (spec_info_t): New typedef.
4310 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4311 recovery_block, orig_pat.
4312 (glat_start, glat_end): New variables declaraions.
4313 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4314 New access macros.
4315 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4316 DETACH_LIFE_INFO, USE_GLAT.
4317 (enum SPEC_SCHED_FLAGS): New enumeration.
4318 (NOTE_NOTE_BB_P): New macro.
4319 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4320 attach_life_info, debug_spec_status, check_reg_live): New functions.
4321 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4322 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4323 sched-ebb.c
4324 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4325 * ddg.c (get_block_head_tail): Adjust all uses.
4326 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4327 (sms_sched_info): Initialize new fields.
4328 (contributes_to_priority): Removed.
4329 * haifa-sched.c (params.h): New include.
4330 (get_block_head_tail): Adjust all uses.
4331 (ISSUE_POINTS): New macro.
4332 (glat_start, glat_end): New global variables.
4333 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4334 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4335 old_last_basic_block, before_recovery, current_sched_info_var,
4336 rgn_n_insns, luid): New static variables.
4337 (insn_cost1): New function. Move logic from insn_cost to here.
4338 (find_insn_reg_weight1): New function. Move logic from
4339 find_insn_reg_weight to here.
4340 (reemit_notes, move_insn, max_issue): Change signature.
4341 (move_insn1): Removed.
4342 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4343 extend_bb): New static functions to support extension of scheduler's
4344 data structures.
4345 (generate_recovery_code, process_insn_depend_be_in_spec,
4346 begin_speculative_block, add_to_speculative_block,
4347 init_before_recovery, create_recovery_block, create_check_block_twin,
4348 fix_recovery_deps): New static functions to support
4349 generation of recovery code.
4350 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4351 restore_bb_notes, move_block_after_check, move_succs): New static
4352 functions to support ebb scheduling.
4353 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4354 functions to support handling of register live information.
4355 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4356 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4357 add_jump_dependencies): New static functions.
4358 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4359 consistancy checking.
4360 (debug_spec_status): New function to call from debugger.
4361 (priority): Added code to handle speculation checks.
4362 (rank_for_schedule): Added code to distinguish speculative instructions.
4363 (schedule_insn): Added code to handle speculation checks.
4364 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4365 Fixed to handle ebbs.
4366 (move_insn): Added code to handle ebb scheduling.
4367 (max_issue): Added code to use ISSUE_POINTS of instructions.
4368 (choose_ready): Added code to choose between speculative and
4369 non-speculative instructions.
4370 (schedule_block): Added code to handle ebb scheduling and scheduling of
4371 speculative instructions.
4372 (sched_init): Initialize new variables.
4373 (sched_finish): Free new variables. Print statistics.
4374 (try_ready): Added code to handle speculative instructions.
4375 * lists.c (copy_DEPS_LIST_list): New function.
4376 * sched-deps.c (extend_dependency_caches): New function. Move logic
4377 from create_dependency_caches to here.
4378 (get_dep_weak, ds_merge): Make global.
4379 * genattr.c (main): Code to output prototype for
4380 dfa_clear_single_insn_cache.
4381 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4382 (output_dfa_clean_insn_cache_func): Code to output
4383 dfa_clear_single_insn_cache function.
4384 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4385 n_insns.
4386 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4387 Removed.
4388 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4389 New static variables.
4390 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4391 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4392 struct sched_info.
4393 (ebb_sched_info): Initialize new fields.
4394 (get_block_head_tail): Adjust all uses.
4395 (compute_jump_reg_dependencies): Fixed to use glat_start.
4396 (schedule_ebb): Code to remove unreachable last block.
4397 (schedule_ebbs): Added code to update register live information.
4398 * sched-rgn.c (region_sched_info): Initialize new fields.
4399 (get_block_head_tail): Adjust all uses.
4400 (last_was_jump): Removed. Adjust users.
4401 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4402 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4403 Implement new hooks.
4404 (check_dead_notes1): New static function.
4405 (struct region): New fields: dont_calc_deps, has_real_ebb.
4406 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4407 (BB_TO_BLOCK): Fixed to handle EBBs.
4408 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4409 (ebb_head): New static variable.
4410 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4411 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4412 new fields.
4413 (compute_dom_prob_ps): New assertion.
4414 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4415 global_live_at_start.
4416 (init_ready_list): New assertions.
4417 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4418 (new_ready): Add support for BEGIN_CONTROL speculation.
4419 (schedule_insns): Fixed code that updates register live information
4420 to handle EBBs.
4421 (schedule_region): Fixed to handle EBBs.
4422 (init_regions): Use extend_regions and check_dead_notes1.
4423 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4424 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4425 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4426 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4427 TARGET_SCHED_GEN_CHECK,
4428 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4429 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4430 * doc/invoke.texi (max-sched-insn-conflict-delay,
4431 sched-spec-prob-cutoff): Document.
4433 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4435 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4436 inter_tick, queue_index.
4437 (struct sched_info): Change signature of init_ready_list field.
4438 Adjust all initializations.
4439 (RESOLVED_DEPS): New access macro.
4440 (ready_add): Remove prototype.
4441 (try_ready): Add prototype.
4442 * sched-rgn.c (init_ready_list): Use try_ready.
4443 (schedule_region): Initialize
4444 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4445 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4446 (init_ready_list): Use try_ready.
4447 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4448 * lists.c (remove_list_elem): Remove `static'.
4449 (remove_free_INSN_LIST_elem): New function.
4450 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4451 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4452 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4453 New constants.
4454 (readyp): New variable.
4455 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4456 change_queue_index, resolve_dep): New static functions.
4457 (try_ready): New function. Adjust callers in sched-rgn.c and
4458 sched-ebb.c to use it instead of ready_add.
4459 (clock_var): Move at the begining of file.
4460 (rank_for_schedule): Fix typo.
4461 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4462 (ready_lastpos): Enforce assertion.
4463 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4464 update all callers.
4465 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4466 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4467 (queue_to_ready): Use free_INSN_LIST_list.
4468 (early_queue_to_ready): Fix typo.
4469 (schedule_block): Init readyp. Move init_ready_list call after the
4470 initialization of clock_var. Fix error in rejecting insn by
4471 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4472 that previously corrected INSN_TICKs. Add code for handling
4473 QUEUE_INDEX.
4474 (set_priorities): Fix typo.
4475 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4476 Clarify comment and code that keeps current_sched_info->next_tail
4477 non-null.
4479 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4481 * sched-rgn.c (extend_rgns): New static function.
4482 (find_rgns): Use it.
4483 (gather_region_statistics, print_region_statistics): New static
4484 functions.
4485 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4486 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4488 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4489 Andrey Belevantsev <abel@ispras.ru>
4491 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4492 * lists.c (unused_deps_list): New variable.
4493 (free_list): Add assertions to verify the proper distinguishing
4494 between INSN_LISTs and DEPS_LISTs.
4495 (find_list_elem, remove_list_elem, remove_list_node): New static
4496 functions.
4497 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4498 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4499 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4500 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4501 an INSN_LIST.
4502 (free_INSN_LIST_node): Likewise.
4503 * modulo-sched.c (current_sched_info): Initialize flags field.
4504 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4505 * rtl.def (DEPS_LIST): Define.
4506 * rtl.h: Declare new functions from lists.c.
4507 * sched-deps.c (spec_dependency_cache): New static variable.
4508 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4509 (add_dependence): Change return type to void. Move the logic to ...
4510 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4511 (delete_all_dependences): Add comment about forward_dependency_cache.
4512 Handle spec_dependency_cache. Handle DEPS_LISTs.
4513 (fixup_sched_groups): Clarify the change of priority of output
4514 and anti dependencies.
4515 (sched_analyze_2): Adjust add_dependence calls to create data
4516 speculative dependence.
4517 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4518 Adjust all callers. Handle DEPS_LISTS.
4519 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4520 presence of speculation.
4521 (init_dependency_caches, free_dependency_caches):
4522 Handle spec_dependency_cache.
4523 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4524 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4525 New static functions.
4526 (add_or_update_back_dep, add_or_update_back_forw_dep,
4527 add_back_forw_dep, delete_back_forw_dep): New functions.
4528 * sched-int.h (ds_t, dw_t): New typedefs.
4529 (struct sched_info): Add new field flags.
4530 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4531 Prototype new sched-deps.c functions.
4532 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4533 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4534 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4535 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4536 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4537 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4538 New constants.
4539 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4540 New enums.
4541 * sched-rgn.c (current_sched_info): Initialize flags field.
4542 (schedule_insns): Initialize current_sched_info before the sched_init
4543 call.
4544 * sched-ebb.c (current_sched_info): Initialize flags field.
4545 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4546 Call add_or_update_back_dep instead of add_dependence.
4547 Create control speculative dependencies.
4548 (schedule_insns): Initialize current_sched_info before the sched_init
4549 call.
4551 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4553 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4554 fs->signal_frame.
4555 (sh_fallback_frame_state): Likewise.
4557 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4559 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4560 Do switch on default_use_cxa_atexit.
4561 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4562 * config/darwin-crt3.o: New.
4563 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4564 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4565 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4566 OS version.
4567 * config/rs6000/t-darwin: Move crt2.o building to here.
4568 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4569 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4570 of __cxa_atexit.
4572 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4574 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4575 from '! xxx' to '!xxx' for coding-style conformance.
4576 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4577 (EXTRA_CONSTRAINT): Likewise.
4578 * config/vax/vax.md (four unnamed insns): Likewise.
4580 2006-03-15 Paul Brook <paul@codesourcery.com>
4582 * config/arm/arm.c (minipool_pad): New.
4583 (add_minipool_forward_ref): Include pool alignment padding in address
4584 calculation.
4585 (push_minipool_fix): Set minipool_pad.
4586 (minipool_pad): Ditto.
4588 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4590 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4591 instead of GET_CODE() == MEM and REG_P() instead of
4592 GET_CODE() == REG.
4593 (print_operand_address): Likewise.
4594 (vax_address_cost): Likewise.
4595 (vax_rtx_costs): Likewise.
4596 (vax_notice_update_cc): Likewise.
4597 (vax_output_int_add): Likewise.
4598 (INDEX_REGISTER_P): Likewise.
4599 (BASE_REGISTER_P): Likewise.
4600 (nonindexed_address_p): Likewise.
4601 (vax_mode_dependent_address_p): Likewise.
4602 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4603 (PRINT_OPERAND): Likewise.
4604 * config/vax/vax.md (ashlsi3): Likewise.
4605 (ashlsi3): Likewise.
4606 (some more unnamed insns): Likewise.
4608 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4610 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4611 iterator-style macro.
4612 (mark_control_dependent_edges_necessary): Update the use of
4613 EXECUTE_IF_CONTROL_DEPENDENT.
4615 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4617 * config/sh/predicates.md (cache_address_operand): Special.
4618 (ua_address_operand): Likewise.
4620 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4622 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4623 loop notes.
4624 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4626 2006-03-15 Andreas Schwab <schwab@suse.de>
4628 * gensupport.c (identify_predicable_attribute): Don't free p_false
4629 when it is still in use.
4631 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4633 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4634 the default setting here.
4636 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4638 * tree-pass.h (pass_cfg): Remove.
4639 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4640 * passes.c (pass_cfg): Don't run it.
4642 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4644 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4645 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4646 VEC(char,heap) *.
4647 (stack_regs_mentioned): Update the uses of
4648 stack_regs_mentioned_data. Don't access the array beyond its
4649 end.
4650 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4651 Don't include gt-reg-stack.h.
4653 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4654 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4656 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4658 PR middle-end/26684
4659 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4660 STACK_REGS.
4662 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4664 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4666 2006-03-14 Richard Guenther <rguenther@suse.de>
4668 PR tree-optimization/26672
4669 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4670 SSA form.
4672 2006-03-14 Richard Guenther <rguenther@suse.de>
4674 PR tree-optimization/26667
4675 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4676 node for the callees. Always allow inlining if it will shrink
4677 the function size.
4679 2006-03-14 Richard Guenther <rguenther@suse.de>
4681 PR middle-end/26659
4682 * builtins.c (get_pointer_alignment): Prefer alignment
4683 information from decls over that from types.
4685 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4687 PR target/26657
4688 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4690 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4692 * config/rs6000/rs6000.opt (mdlmzb): New option.
4693 (msched-prolog, msched-epilog): Use Var not Mask.
4694 * doc/invoke.texi (-mdlmzb): Document.
4695 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4696 MASK_SCHED_PROLOG.
4697 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4698 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4700 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4702 PR rtl-optimization/25739
4703 * bt-load.c (augment_live_range): Free tos pointer.
4705 * gensupport.c (identify_predicable_attribute): Free
4706 p_false pointer.
4707 * gcov.c (create_file_names): Free name pointer.
4709 2006-03-13 Roger Sayle <roger@eyesopen.com>
4711 PR middle-end/26557
4712 * stmt.c (emit_case_nodes): Handle the case where the index is a
4713 CONST_INT, where the comparison mode is specified by the index type.
4715 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4717 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4718 is defined.
4720 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4722 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4723 (*branch_fp_inverted): Likewise.
4725 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4727 PR middle-end/25989
4728 * omp-low.c (expand_omp_for_generic): Mark istart0
4729 and iend0 as addressable.
4731 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4733 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4735 2006-03-13 Jeff Law <law@redhat.com>
4737 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4738 virtual operands are interesting.
4739 (vrp_visit_stmt): Corresponding changes.
4741 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4743 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4744 of RETS.
4745 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4746 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4747 * config/bfin/crti.S: Use it instead of __PIC__.
4748 * config/bfin/crtn.S: Likewise.
4750 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4751 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4752 not if flag_pic.
4753 Lose 'G' modifier for call operand.
4754 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4755 recognize 'G' modifier.
4757 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4759 PR middle-end/18859
4760 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4761 * stmt.c (expand_case): Likewise.
4763 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4765 PR rtl-optimization/26254
4766 * loop-invariant.c (seq_insns_valid_p): New function.
4767 (move_invariant_reg): Only emit new code if it is valid.
4769 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4771 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4772 Removed.
4773 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4774 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4775 (commit_one_edge_insertion): Do not look for loop notes.
4777 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4779 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4780 flag_test_coverage out of loop.
4782 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4784 * final.c (shorten_branches): Remove outdated comment, and turn
4785 the if branch that guards it to continue.
4787 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4789 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4790 * cfgloop.h (struct loop): Remove unused fields.
4792 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4794 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4795 (-dL, -fdump-rtl-loop2): Update the dump file names
4797 * doc/invoke.texi: Update dump file names.
4799 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4801 * predict.c (estimate_probability): Remove.
4802 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4803 * basic-block.h (estimate_probability): Remove prototype.
4804 * passes.c (finish_optimization_passes): Dump branch prediction or
4805 profiling heuristics to the .profile tree dump.
4806 (init_optimization_passes): Unqueue pass_branch_prob.
4808 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4810 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4812 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4813 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4815 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4817 * function.h (frame_offset_overflow): Declare.
4818 * function.c (frame_offset_overflow): New function.
4819 (assign_stack_local_1): Call it to detect that the offset overflows.
4820 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4822 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4824 * config/sh/sh.c: Include alloc-pool.h.
4825 (label_ref_list_pool): New alloc pool.
4826 (label_ref_list_t): New type for lists of labels.
4827 (struct pool_node): Make wend a label_ref_list_t.
4828 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4829 references.
4830 (dump_table): Likewise.
4831 (sh_reorg): Set up the alloc pool before using add_constant and
4832 dump_table, and destroy it when finishing.
4834 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4836 * config/mips/mips.c: Remove redundant comment.
4838 2006-03-10 Jason Merrill <jason@redhat.com>
4840 PR c/26004
4841 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4842 the target was declared 'register'.
4844 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4846 * genpreds.c (write_insn_constraint_len): Change definition of
4847 insn_constraint_len to return size_t to match the declaration.
4849 2006-03-10 DJ Delorie <dj@redhat.com>
4851 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4852 start at zero.
4853 (m32c_expand_insv): Fix test for an AND mask.
4855 2006-03-10 Richard Guenther <rguenther@suse.de>
4857 PR middle-end/26565
4858 * builtins.c (get_pointer_alignment): Handle component
4859 references for field alignment.
4861 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4863 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4864 when building with libgloss.
4865 (sh*elf): Implement --without-fp option.
4866 (sh64-superh-linux*): Don't multilib.
4868 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4870 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4872 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4874 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4875 Set it when one of the replacement functions returned true.
4876 Return TODO_cleanup_cfg if cfgchanged is true.
4877 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4879 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4881 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4882 instead of gen_lowpart.
4884 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4886 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4887 interface.
4888 (mips_output_order_conditional_branch): Declare.
4889 * config/mips/mips.h (MIPS_BRANCH): New macro.
4890 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4891 for the comparison. Use gen_condjump.
4892 (mips_output_conditional_branch): Rework interface to take the
4893 asm templates for a direct branch and the inverse of a direct branch.
4894 (mips_output_order_conditional_branch): New function.
4895 (mips_builtin_branch_and_move): New function.
4896 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4897 branch condition. Use gen_single_cc as the condition for
4898 __builtin_mips_upper_* or __builtin_mips_lower_*.
4899 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4900 Use VOIDmode for the branch condition.
4901 * config/mips/predicates.md (order_operator): New predicate.
4902 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4903 (branch_fp): Rename to...
4904 (*branch_fp): ...this. Remove mode from comparison operator.
4905 Use new mips_output_conditional_branch interface.
4906 (branch_fp_inverted): Rename to...
4907 (*branch_fp_inverted): ...this and update as for *branch_fp.
4908 (*branch_zero<mode>): Rename to...
4909 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4910 Use mips_output_order_conditional_branch. Only accept ordered
4911 comparisons.
4912 (*branch_zero<mode>_inverted): Rename to...
4913 (*branch_order<mode>_inverted): ...this and update as for
4914 *branch_order<mode>.
4915 (*branch_equality<mode>): Accept zero as the second operand to
4916 the equality operator. Use the new mips_output_conditional_branch
4917 interface.
4918 (*branch_equality<mode>_inverted): Likewise.
4919 (condjump): New expander.
4920 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4921 operator.
4922 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4923 (bc1any2t, bc1any2f): Likewise.
4924 (single_cc): New expander.
4925 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4927 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4929 * doc/md.texi: Update documentation of MIPS constraints.
4930 * config/mips/constraints.md: New file.
4931 * config/mips/mips.md: Include it.
4932 * config/mips/mips.c (mips_char_to_class): Delete.
4933 (override_options): Don't initialize mips_char_to_class.
4934 * config/mips/mips.h (mips_char_to_class): Delete.
4935 (REG_CLASS_FROM_LETTER): Delete.
4936 (CONST_OK_FOR_LETTER_P): Delete.
4937 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4938 (EXTRA_CONSTRAINT_Y): Delete.
4939 (EXTRA_CONSTRAINT_STR): Delete.
4940 (CONSTRAINT_LEN): Delete.
4941 (EXTRA_MEMORY_CONSTRAINT): Delete.
4943 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4945 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4946 original fn's eh regions.
4948 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4950 * fold-const.c (build_range_check): Make sure to use a valid type to
4951 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4952 transformation.
4954 (range_predecessor): New static function.
4955 (range_successor): Likewise.
4956 (merge_ranges): Use them to compute predecessors and successors of
4957 range bounds.
4959 2006-03-09 Roger Sayle <roger@eyesopen.com>
4961 PR middle-end/26561
4962 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4963 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4965 2006-03-08 DJ Delorie <dj@redhat.com>
4967 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4968 (addpsi3): Expand to include memory operands. Remove
4969 reload-specific splits.
4970 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4971 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4972 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4973 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4974 (shift1_qi, shift1_hi, insv): New.
4975 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4976 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4977 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4978 cond_to_int): New.
4979 * config/m32c/m32c-protos.h: Update as needed.
4980 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4981 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4982 Fail for unrecognized R* constraints.
4983 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4984 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4985 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4986 Add Sp constraint.
4987 (m32c_init_libfuncs): New.
4988 (m32c_legitimate_address_p): Add debug wrapper.
4989 (m32c_rtx_costs): New.
4990 (m32c_address_cost): New.
4991 (conversions): Add 'B' prefix.
4992 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4993 operands, or word regnames for QI operands. 'B' prints bit
4994 position.
4995 (m32c_expand_setmemhi): New.
4996 (m32c_expand_movmemhi): New.
4997 (m32c_expand_movstr): New.
4998 (m32c_expand_cmpstr): New.
4999 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5000 (m32c_expand_neg_mulpsi3): Handle non-ints.
5001 (m32c_cmp_flg_0): New.
5002 (m32c_expand_movcc): New.
5003 (m32c_expand_insv): New.
5004 (m32c_scc_pattern): New.
5005 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5006 a0/a1 out of SIregs.
5007 (STORE_FLAG_VALUE): New.
5008 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5009 code macros.
5010 (no_insn): New.
5011 * config/m32c/mov.md: Make constraints more liberal.
5012 (zero_extendqihi2): Optimize r0/r1 case.
5013 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5014 * config/m32c/predicates.md (m32c_any_operand): New.
5015 (m32c_nonimmediate_operand): New.
5016 (m32c_hl_operand): New.
5017 (m32c_r3_operand): New.
5018 (ap_operand): New.
5019 (ma_operand): New.
5020 (memsym_operand): New.
5021 (memimmed_operand): New.
5022 (a_qi_operand): New.
5023 (m32c_eqne_operator): New.
5024 (m32c_1bit8_operand): New.
5025 (m32c_1bit16_operand): New.
5026 (m32c_1mask8_operand): New.
5027 (m32c_1mask16_operand): New.
5028 * config/m32c/blkmov.md: New file.
5029 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5031 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5033 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5034 unsigned to fix signed/unsigned comparison issue in
5035 DWARF2_FRAME_REG_OUT.
5036 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5037 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5039 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5040 of ptr into the ENABLE_CHECKING section.
5042 2006-03-08 Jeff Law <law@redhat.com>
5044 * tree-vrp.c (infer_value_range): Only count pointer uses
5045 and dereferences if -fdelete-null-pointer-checks is enabled.
5047 * tree-vrp.c (find_assert_locations): Infer value ranges for
5048 single use pointers, but do not create ASSERT_EXPRs for them.
5049 When a non-null range is inferred for a pointer, backwards
5050 propagate that range to other equivalent pointers through the
5051 use-def chain.
5053 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5055 PR bootstrap/26500
5056 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5057 language hook targets.
5058 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5059 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5060 if language hook targets were missing.
5062 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5064 * tree-ssa-opfinalize.h: Removed.
5065 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5066 dependency.
5067 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5068 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5069 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5070 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5071 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5072 finalize_ssa_v_must_def_ops): New.
5074 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5076 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5077 block as parameter.
5079 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5081 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5083 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5084 addresses with offsets; reorganize.
5086 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5087 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5088 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5090 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5092 PR target/26588
5093 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5095 2006-03-08 Ben Elliston <bje@au.ibm.com>
5097 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5099 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5101 PR gomp/26238
5102 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5103 expansion.
5105 2006-03-07 Richard Guenther <rguenther@suse.de>
5107 PR tree-optimization/26587
5108 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5110 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5112 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5114 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5116 * hooks.c (hook_bool_mode_rtx_true): New function.
5117 * hooks.h (hook_bool_mode_rtx_true): Declare.
5118 * toplev.c (compile_file): Call output_shared_constant_pool.
5119 * varasm.c (shared_constant_pool): New variable.
5120 (assemble_start_function, assemble_end_function): Remove arguments
5121 from call to output_constant_pool.
5122 (create_constant_pool): New function, split out from...
5123 (init_varasm_status): ...here.
5124 (force_const_mem): Choose between the shared and per-function constant
5125 pools. Set current_function_uses_const_pool when reusing old entries
5126 as well as when creating new ones.
5127 (mark_constant): Ignore data argument.
5128 (mark_constants): Remove pool argument.
5129 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5130 to decide whether the function uses a constant pool.
5131 (output_constant_pool_contents): New function, split out from...
5132 (output_constant_pool): ...here.
5133 (output_shared_constant_pool): New function.
5134 (init_varasm_once): Initialize shared_constant_pool.
5135 * output.h (output_constant_pool): Delete.
5136 (output_shared_constant_pool): Declare.
5137 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5138 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5140 2006-03-06 Nick Clifton <nickc@redhat.com>
5142 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5143 flag_strength_reduce.
5145 2006-03-06 Ben Elliston <bje@au.ibm.com>
5147 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5148 x86_64-*-linux* configurations.
5150 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5151 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5153 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5155 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5156 Remove.
5157 * basic-block.h: Remove the extern for
5158 rediscover_loops_after_threading.
5160 * cfgloop.c (cancel_loop): Make it static.
5161 * cfgloop.h: Remove the prototype for cancel_loop.
5163 * flow.c (recompute_reg_usage): Make it static.
5164 * rtl.h: Remove the prototype for recompute_reg_usage.
5166 * function.c (use_return_register): Make it static.
5167 * function.h: Remove the prototype.
5169 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5171 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5172 Remove.
5173 * recog.h: Remove the prototype for
5174 validate_change_maybe_volatile.
5176 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5178 * rtlanal.c (replace_reg): Remove.
5179 * rtl.h: Remove the prototype for replace_reg.
5181 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5183 * regclass.c (reg_scan_update): Remove.
5184 (reg_scan_mark_refs): Remove the last argument.
5185 * rtl.h: Remove the prototype for reg_scan_update.
5187 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5189 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5190 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5191 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5192 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5193 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5194 loop-invariant.c, omp-low.c, opts.c, passes.c,
5195 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5196 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5197 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5198 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5199 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5200 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5202 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5204 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5205 * dwarf2out.h: Remove the prototype for
5206 dwarf2out_add_library_unit_info.
5208 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5210 * tree.c (add_var_to_bind_expr): Remove.
5211 * tree.h: Remove the prototype for add_var_to_bind_expr.
5213 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5215 * regclass.c (n_non_fixed_regs): Remove.
5216 (init_reg_sets_1, globalize_reg): Remove all uses of
5217 n_non_fixed_regs.
5218 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5220 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5222 * rtlanal.c (insns_safe_to_move_p): Remove.
5223 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5225 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5227 * expmed.c (expand_mult_add): Remove.
5228 * expr.h: Remove the prototype for expand_mult_add.
5230 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5232 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5233 and REG_SAVED_VAL_EXP constants.
5234 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5235 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5236 Handle regs stored by value.
5237 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5238 (execute_cfa_program): Handle DW_CFA_val_offset,
5239 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5240 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5241 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5242 (uw_install_context_1): Handle target regs stored by value.
5244 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5246 * tree-sra.c (tree_sra): Return todoflags;
5247 (generate_one_element): Set TODO_update_smt_usage if needed.
5248 (pass_sra): Remove TODO_update_smt_usage.
5249 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5250 parameter.
5251 (tree_ssa_forward_propagate_single_use_vars): Return
5252 TODO_update_smt_usage if we need to update SMT usage.
5253 (pass_forwprop): Remove TODO_update_smt_usage.
5255 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5257 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5258 (correct_use_link): Remove reference to get_stmt_operands.
5259 (update_stmt_operands): Likewise.
5260 (get_modify_expr_operands): New function factored out of
5261 parse_ssa_operands and get_expr_operands.
5262 Try to create V_MUST_DEFs for LHS by default.
5263 (get_expr_operands) <case MODIFY_EXPR>: Call
5264 get_modify_expr_operands.
5265 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5266 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5267 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5268 get_modify_expr_operands.
5270 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5272 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5273 * tree-flow.h: Remove the prototype for
5274 referenced_var_lookup_if_exists.
5276 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5278 PR rtl-optimization/26345
5279 PR target/19061
5280 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5282 2006-03-03 Roger Sayle <roger@eyesopen.com>
5284 PR tree-optimization/26524
5285 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5286 fold_convert to create a constant of the appropriate type.
5288 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5290 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5291 SYMBOL_REF_IN_BLOCK_P.
5292 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5293 of SYMBOL_FLAG_IN_BLOCK.
5294 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5295 instead of SYMBOL_REF_IN_BLOCK_P.
5296 * explow.c (use_anchored_address): Likewise.
5297 * rtl.c (rtx_size): Likewise.
5298 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5299 instead of SYMBOL_FLAG_IN_BLOCK.
5300 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5301 SYMBOL_REF_IN_BLOCK_P.
5302 (assemble_variable): Likewise.
5303 (output_constant_def_contents): Likewise.
5304 (output_constant_pool): Likewise.
5305 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5306 instead of SYMBOL_FLAG_IN_BLOCK.
5307 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5308 SYMBOL_REF_IN_BLOCK_P.
5309 (SYMBOL_REF_BLOCK): Likewise.
5310 (SYMBOL_REF_OFFSET): Likewise.
5311 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5312 SYMBOL_REF_IN_BLOCK_P.
5313 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5314 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5315 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5316 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5318 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5320 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5322 2006-03-02 Roger Sayle <roger@eyesopen.com>
5324 * simplify-rtx.c (simplify_unary_operation): When simplifying
5325 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5326 that we perform the right shift in the appropriate mode, and
5327 then extend or truncate the result to requested mode.
5329 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5331 * gengtype.c (main): Handle double_int type.
5332 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5333 * double-int.c: New file.
5334 * double-int.h: New file.
5335 * system.h: Include doubleint.h.
5336 * Makefile.in (SYSTEM_H): Include double-int.h.
5337 (double-int.o): Add.
5339 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5341 PR bootstrap/26478
5342 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5343 copying over it.
5345 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5347 * tree-vrp.c (remove_range_assertions): Do not update statements
5348 unnecessarily.
5350 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5352 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5353 cleanup.
5354 * gcse.c (rest_of_handle_gcse): Ditto.
5355 * except.c (gate_handle_eh): Ditto.
5356 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5357 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5359 2006-03-02 Eric Christopher <echristo@apple.com>
5361 * config/i386/i386.c (machopic_output_stub): Add indirection to
5362 jump.
5364 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5366 * loop.c: Removed.
5368 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5370 Sun Niagara specific optimizations.
5371 * config.gcc: Recognize niagara as target.
5372 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5373 (TARGET_CPU_niagara): Define.
5374 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5375 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5376 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5377 (ASM_CPU_SPEC): Likewise.
5378 (PROCESSOR_NIAGARA): New enum entry.
5379 (REGISTER_MOVE_COST): Handle Niagara.
5380 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5381 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5382 (sparc_override_options): Recognize "niagara", set appropriate
5383 default MASK_* values for it, and align functions to 32-bytes
5384 by default just like ULTRASPARC/ULTRASPARC3.
5385 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5386 (sparc64_initialize_trampoline): Likewise.
5387 (sparc_use_sched_lookahead): Use zero for niagara.
5388 (sparc_issue_rate): Use one for niagara.
5389 * config/sparc/niagara.md: New file.
5390 * config/sparc/sparc.md: Include it.
5391 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5392 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5393 when default cpu is niagara.
5394 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5395 (ASM_CPU_SPEC): Likewise.
5396 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5397 when default cpu is niagara.
5398 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5399 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5400 just like v9/ultrasparc/ultrasparc3.
5401 * doc/invoke.texi: Add documentation for "niagara" and improve
5402 existing documentation for ultrasparc variants.
5404 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5406 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5408 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5410 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5411 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5412 and say that only one is needed.
5413 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5414 * target.h (have_switchable_bss_sections): New hook.
5415 * explow.c (use_anchored_address): Check that the symbol is in a block.
5416 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5417 (bss_noswitch_section): New variables.
5418 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5419 (get_noswitch_section): New function.
5420 (get_block_for_section): Allow SECT to be null.
5421 (unlikely_text_section_p): Use SECTION_STYLE.
5422 (bss_initializer_p): New function.
5423 (get_variable_section): Move earlier in file. Take a new argument,
5424 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5425 Return one of the new *_sections in such cases.
5426 (get_block_for_decl): New function, extracting some logic from
5427 use_blocks_for_decl_p.
5428 (change_symbol_section): Remove in favor of...
5429 (change_symbol_block): ...this new function.
5430 (use_blocks_for_decl_p): Remove checks now performed by
5431 get_block_for_decl.
5432 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5433 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5434 (emit_local, emit_bss, emit_common): ...these new functions.
5435 Return true if the alignment was honored.
5436 (emit_tls_common): New function.
5437 (asm_emit_uninitialised): Delete.
5438 (assemble_variable_noswitch): New function, split out from...
5439 (assemble_variable): ...here. Don't make decisions about common
5440 variables here. Globalize all public decls that go into non-common
5441 sections. Check whether SYMBOL_REF_BLOCK is null.
5442 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5443 (output_constant_pool): Likewise.
5444 (init_varasm_once): Initialize the new section variables.
5445 (have_global_bss_p): New function.
5446 (categorize_decl_for_section): Use bss_initializer_p.
5447 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5448 (place_block_symbol): Assert that the symbol must be in a block.
5449 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5450 (TARGET_INITIALIZER): Include it.
5451 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5452 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5453 (SECTION_MACH_DEP): Bump by two.
5454 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5455 (unnamed_section): Mention SECTION_UNNAMED in comment.
5456 (named_section): Likewise SECTION_NAMED.
5457 (noswitch_section_callback): New type.
5458 (noswitch_section): New structure.
5459 (section): Add a noswitch_section alternative.
5460 (SECTION_STYLE): New macro.
5461 (tls_comm_section, comm_section, lcomm_section): Declare.
5462 (bss_noswitch_section, have_global_bss_p): Declare.
5463 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5464 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5465 Override.
5466 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5467 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5468 Override.
5470 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5472 * tree-vrp.c (execute_vrp): Return value.
5473 * regrename.c (rest_of_handle_regrename): Ditto.
5474 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5475 * tree-complex.c (tree_lower_complex): Ditto.
5476 (tree_lower_complex_O0): Ditto.
5477 * tracer.c (rest_of_handle_tracer): Ditto.
5478 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5479 * postreload.c (rest_of_handle_postreload): Ditto.
5480 * tree-tailcall.c (execute_tail_recursion): Ditto.
5481 (execute_tail_calls): Ditto.
5482 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5483 * tree.h (init_function_for_compilation): Ditto.
5484 * ipa-cp.c (ipcp_driver): Ditto.
5485 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5486 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5487 * final.c (compute_alignments): Ditto.
5488 (rest_of_handle_final): Ditto.
5489 (rest_of_handle_shorten_branches): Ditto.
5490 (rest_of_clean_state): Ditto.
5491 * omp-low.c (execute_expand_omp): Ditto.
5492 (execute_lower_omp): Ditto.
5493 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5494 * ipa-reference.c (static_execute): Ditto.
5495 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5496 * reorg.c (rest_of_handle_delay_slots): Ditto.
5497 (rest_of_handle_machine_reorg): Ditto.
5498 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5499 * flow.c (recompute_reg_usage): Ditto.
5500 (rest_of_handle_remove_death_notes): Ditto.
5501 (rest_of_handle_life): Ditto.
5502 (rest_of_handle_flow2): Ditto.
5503 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5504 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5505 (do_ssa_store_ccp): Ditto.
5506 (execute_fold_all_builtins): Ditto.
5507 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5508 * modulo-sched.c (rest_of_handle_sms): Ditto.
5509 * ipa-pure-const.c (static_execute): Ditto.
5510 * cse.c (rest_of_handle_cse): Ditto.
5511 (rest_of_handle_cse2): Ditto.
5512 * web.c (rest_of_handle_web): Ditto.
5513 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5514 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5515 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5516 * tree-nrv.c (tree_nrv): Ditto.
5517 (execute_return_slot_opt): Ditto.
5518 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5519 (create_structure_vars): Ditto.
5520 * loop-init.c (rtl_loop_init): Ditto.
5521 (rtl_loop_done): Ditto.
5522 (rtl_move_loop_invariants): Ditto.
5523 (rtl_unswitch): Ditto.
5524 (rtl_unroll_and_peel_loops): Ditto.
5525 (rtl_doloop): Ditto.
5526 * gimple-low.c (lower_function_body): Ditto.
5527 (mark_used_blocks): Ditto.
5528 * tree-ssa-sink.c (execute_sink_code): Ditto.
5529 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5530 (cgraph_early_inlining): Ditto.
5531 * global.c (rest_of_handle_global_alloc): Ditto.
5532 * jump.c (cleanup_barriers): Ditto.
5533 (purge_line_number_notes): Ditto.
5534 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5535 (rest_of_handle_if_after_reload): Ditto.
5536 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5537 (tree_ssa_loop_im): Ditto.
5538 (tree_ssa_loop_unswitch): Ditto.
5539 (tree_vectorize): Ditto.
5540 (tree_linear_transform): Ditto.
5541 (tree_ssa_loop_ivcanon): Ditto.
5542 (tree_ssa_empty_loop): Ditto.
5543 (tree_ssa_loop_bounds): Ditto.
5544 (tree_complete_unroll): Ditto.
5545 (tree_ssa_loop_prefetch): Ditto.
5546 (tree_ssa_loop_ivopts): Ditto.
5547 (tree_ssa_loop_done): Ditto.
5548 * predict.c (tree_estimate_probability): Ditto.
5549 * recog.c (split_all_insns_noflow): Ditto.
5550 (rest_of_handle_peephole2): Ditto.
5551 (rest_of_handle_split_all_insns): Ditto.
5552 * tree-eh.c (lower_eh_constructs): Ditto.
5553 * regmove.c (rest_of_handle_regmove): Ditto.
5554 (rest_of_handle_stack_adjustments): Ditto.
5555 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5556 * function.c (instantiate_virtual_regs): Ditto.
5557 (init_function_for_compilation): Ditto.
5558 (rest_of_handle_check_leaf_regs): Ditto.
5559 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5560 (rest_of_handle_gcse): Ditto.
5561 * ipa-type-escape.c (type_escape_execute): Ditto.
5562 * alias.c (rest_of_handle_cfg): Ditto.
5563 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5564 * profile.c (rest_of_handle_branch_prob): Ditto.
5565 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5566 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5567 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5568 * tree-dfa.c (find_referenced_vars): Ditto.
5569 * except.c (set_nothrow_function_flags): Ditto.
5570 (convert_to_eh_region_ranges): Ditto.
5571 (rest_of_handle_eh): Ditto.
5572 * emit-rtl.c (unshare_all_rtl): Ditto.
5573 (remove_unnecessary_notes): Ditto.
5574 * except.h (set_nothrow_function_flags): Ditto.
5575 (convert_to_eh_region_ranges): Ditto.
5576 * cfgexpand.c (tree_expand_cfg): Ditto.
5577 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5578 * tree-ssa-pre.c (do_pre): Ditto.
5579 (execute_fre): Ditto.
5580 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5581 (rest_of_handle_jump2): Ditto.
5582 * tree-sra.c (tree_sra): Ditto.
5583 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5584 (execute_mudflap_function_decls): Ditto.
5585 * tree-ssa-copy.c (do_copy_prop): Ditto.
5586 (do_store_copy_prop): Ditto.
5587 * ipa-prop.h (ipcp_driver): Ditto.
5588 * cfglayout.c (insn_locators_initialize): Ditto.
5589 * tree-ssa-forwprop.c
5590 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5591 * cfglayout.h (insn_locators_initialize): Ditto.
5592 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5593 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5594 (execute_late_warn_uninitialized): Ditto.
5595 * rtl.h (cleanup_barriers): Ditto.
5596 (split_all_insns_noflow): Ditto.
5597 (purge_line_number_notes): Ditto.
5598 (unshare_all_rtl): Ditto.
5599 (remove_unnecessary_notes): Ditto.
5600 (recompute_reg_usage): Ditto.
5601 (variable_tracking_main): Ditto.
5602 * integrate.c (emit_initial_value_sets): Ditto.
5603 * integrate.h (emit_initial_value_sets): Ditto.
5604 * tree-optimize.c (execute_free_datastructures): Ditto
5605 (execute_free_cfg_annotations): Ditto.
5606 (execute_fixup_cfg): Ditto.
5607 (execute_cleanup_cfg_pre_ipa): Ditto.
5608 (execute_cleanup_cfg_post_optimizing): Ditto.
5609 (execute_init_datastructures): Ditto.
5610 * tree-object-size.c (compute_object_sizes): Ditto.
5611 * combine.c (rest_of_handle_combine): Ditto.
5612 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5613 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5614 (rest_of_handle_reorder_blocks): Ditto.
5615 (rest_of_handle_partition_blocks): Ditto.
5616 * var-tracking.c (variable_tracking_main): Ditto.
5617 * tree-profile.c (tree_profiling): Ditto.
5618 * tree-vect-generic.c (expand_vector_operations): Ditto.
5619 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5620 * sched-rgn.c (rest_of_handle_sched): Ditto.
5621 (rest_of_handle_sched2): Ditto.
5622 * basic-block.h (free_bb_insn): Ditto.
5623 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5624 * tree-cfg.c (execute_build_cfg): Ditto.
5625 (remove_useless_stmts): Ditto.
5626 (split_critical_edges): Ditto.
5627 (execute_warn_function_return): Ditto.
5628 (execute_warn_function_noreturn): Ditto.
5629 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5630 * cfgrtl.c (free_bb_for_insn): Ditto.
5631 * passes.c (execute_one_pass): Run additional
5632 todos returned by execute function.
5633 * tree-pass.h (struct tree_opt_pass): Make execute
5634 return a value.
5636 2006-03-02 Richard Guenther <rguenther@suse.de>
5638 * tree-ssa-alias.c (find_used_portions): Consider taking
5639 the address as making the variable not write-only.
5641 2006-03-02 Nick Clifton <nickc@redhat.com>
5643 * config.gcc (default_use_cxa_atexit): Extend the description of
5644 this configure variable. Set its default value to "yes" for
5645 Linux, NetBSD and ELF targets on the assumption that they will
5646 use C libraries with the __cxa_atexit function.
5648 2006-03-02 Ben Elliston <bje@au.ibm.com>
5650 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5651 parameter as unused to suppress a build warning.
5653 2006-03-02 Ben Elliston <bje@au.ibm.com>
5655 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5656 config/dfp-bit.c.
5658 2006-03-01 Roger Sayle <roger@eyesopen.com>
5660 PR other/26489
5661 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5662 declared name, the weak reference name, and the typeof name.
5663 (__gthrw): Avoid expanding the declared name suffix.
5664 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5666 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5668 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5669 from DWARF 3.
5670 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5671 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5672 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5673 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5674 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5675 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5676 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5677 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5678 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5679 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5680 (DW_END_default, DW_END_big, DW_END_little): New.
5681 (DW_END_lo_user, DW_END_hi_user): Define.
5682 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5683 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5684 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5685 DW_LANG_D): New.
5687 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5689 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5690 Update all users.
5691 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5692 Update all users.
5693 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5694 Update all users.
5695 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5696 Update all users.
5697 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5698 to 'symbol_mem_tag'.
5699 Update all users.
5700 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5701 rename.
5703 2006-03-01 Roger Sayle <roger@eyesopen.com>
5705 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5707 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5709 PR target/25761
5710 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5711 MACHO_DYNAMIC_NO_PIC_P.
5712 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5714 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5716 PR target/26389
5717 * config/darwin-protos.h (darwin_asm_output_anchor):
5718 Declare.
5719 * config/darwin-sections.def (cstring_section):
5720 Add SECTION_MERGE to the flags.
5721 (literal4_section): Likewise.
5722 (literal8_section): Likewise.
5723 (objc_selector_refs_section): Likewise.
5724 (objc_cls_refs_section): Likewise.
5725 * config/darwin.c (darwin_asm_output_anchor): New
5726 function.
5727 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5729 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5731 Fix PR tree-optimization/26443
5732 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5733 to todo and PROP_tmt_usage to properties_destroyed.
5734 * tree-ssa-ccp.c (pass_ccp): Ditto.
5735 (pass_store_ccp): Ditto.
5736 * tree-ssa-dom.c (pass_dominator): Ditto.
5738 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5740 * tree-ssa-operands.c: Cleanup whitespace.
5741 (get_asm_expr_operands): Move before first invocation.
5742 (get_indirect_ref_operands): Likewise.
5743 (get_tmr_operands): Likewise.
5744 (get_call_expr_operands): Likewise.
5745 (append_def): Likewise.
5746 (append_use): Likewise.
5747 (append_v_may_def): Likewise.
5748 (append_v_must_def): Likewise.
5749 (add_call_clobber_ops): Likewise.
5750 (add_call_read_ops): Likewise.
5751 (add_stmt_operand): Likewise.
5752 (add_virtual_operand): Likewise.
5753 (build_ssa_operands): Likewise.
5755 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5757 PR middle-end/26022
5758 Revert:
5759 PR middle-end/24437
5760 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5761 with a call expr to ...
5762 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5764 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5766 * tree-vrp.c (extract_range_from_assert): Remove special
5767 handling for types with super-types.
5769 2006-03-01 Ben Elliston <bje@au.ibm.com>
5771 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5772 and powerpc64-*-linux* configurations.
5773 * config/t-dfprules: New file.
5775 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5776 Compile dfp-bit.c from the source directory using -DWIDTH and
5777 $DFP_CFLAGS to control the compilation of that file, rather than
5778 generating width-specific versions in the build directory.
5779 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5780 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5782 2006-02-28 Zack Weinberg <zackw@panix.com>
5784 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5785 continues to work.
5787 2006-02-28 Eric Christopher <echristo@apple.com>
5789 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5790 Set up IN_LIBGCC definition of TARGET_64BIT.
5791 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5793 2006-02-28 Roger Sayle <roger@eyesopen.com>
5795 PR middle-end/14752
5796 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5797 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5798 cases via the construction of "expr != 0".
5800 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5802 * alias.c (alias_invariant, alias_invariant_size): Remove.
5803 (record_base_value): Remove.
5804 (memrefs_conflict_p): Don't look at alias_invariant.
5805 (end_alias_analysis): Don't free it.
5806 * alias.h (record_base_value): Remove prototype.
5808 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5809 Adam Nemet <anemet@caviumnetworks.com>
5811 * rtl.h (truncated_to_mode): Declare it.
5812 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5813 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5814 (RTL_HOOKS_INITIALIZER): Include it.
5815 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5816 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5817 reg_truncated_to_mode.
5818 * rtlanal.c (truncated_to_mode): Define it.
5819 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5821 2006-02-28 Jeff Law <law@redhat.com>
5823 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5824 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5825 the range allowed by TYPE_PRECISION.
5827 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5829 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5831 PR tree-optimization/26419
5832 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5833 values of n.
5835 2006-02-27 Zack Weinberg <zackw@panix.com>
5837 * doc/md.texi: Fix typo in previous change.
5839 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5841 * df.c: Remove.
5843 2006-02-27 Zack Weinberg <zackw@panix.com>
5845 * rtl.def (define_constraint, define_register_constraint)
5846 (define_memory_constraint, define_address_constraint): New MD forms.
5847 * gensupport.c (process_rtx): Put define_constraint etc on the
5848 predicate queue.
5849 * genpreds.c (process_define_predicate): Adjust comment. Validate
5850 the name, and call validate_exp to validate the expression.
5851 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5852 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5853 all callers changed.
5854 (validate_exp, needs_variable, struct constraint_data)
5855 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5856 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5857 (const_dbl_constraints, constraint_max_namelen)
5858 (have_register_constraints, have_memory_constraints)
5859 (have_address_constraints, have_address_constraints)
5860 (have_extra_constraints, have_const_int_constraints)
5861 (have_const_dbl_constraints, mangle, add_constraint)
5862 (process_define_constraint, process_define_register_constraint)
5863 (write_enum_constraint_num, write_lookup_constraint)
5864 (write_insn_constraint_len, write_regclass_for_constraint)
5865 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5866 (write_insn_extra_memory_constraint)
5867 (write_insn_extra_address_constraint)
5868 (write_satisfies_constraint_fns): New.
5869 (write_tm_preds_h): If we have new-style constraint definitions,
5870 prototype the functions generated from them, and define the
5871 old constraint interface (still used by generic code) in terms of
5872 those functions.
5873 (write_insn_preds_c): If we have new-style constraint definitions,
5874 generate all relevant functions from those definitions.
5875 (main): Handle define_constraint etc.
5876 * genoutput.c (struct constraint_data, indep_constraints)
5877 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5878 (mdep_constraint_len): New data structures and functions, defined
5879 #ifdef USE_MD_CONSTRAINTS.
5880 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5881 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5882 use new logic to validate operand constraints against constraint
5883 definitions.
5884 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5885 defined.
5886 * defaults.h: If none of the old-style constraint macros are
5887 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5888 old-style macros; and poison REG_CLASS_FROM_LETTER,
5889 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5890 EXTRA_CONSTRAINT.
5891 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5892 * doc/md.texi: Document new constraint-definition mechanism and the
5893 C interface it provides. Remove references to old mechanism
5894 elsewhere in the document.
5895 (Machine Constraints): Use pathnames relative to gcc directory,
5896 i.e. config/ARCH/FILE. Change i386 section to refer to
5897 config/i386/predicates.md; update that section to match docstrings.
5898 * doc/tm.texi: Move all documentation of the old constraint-
5899 definition macros to their own section, clearly mark as obsolete.
5901 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5902 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5903 definitions.
5904 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5905 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5906 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5907 constraint strings.
5908 (splits and peepholes): Use satisfies_constraint_*.
5909 * config/i386/i386.c (memory_address_length)
5910 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5912 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5914 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5915 scalar operation to be put back into the loop.
5917 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5919 PR other/26208
5920 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5921 (extract_cie_info): Handle S flag in augmentation string.
5922 (execute_cfa_program): If context->signal_frame, execute also
5923 fs->pc == context->ra instructions.
5924 (uw_frame_state_for): If context->signal_frame, don't subtract one
5925 from context->ra to find FDE.
5926 (uw_update_context_1): Set context->signal_frame to
5927 fs->signal_frame.
5928 (_Unwind_GetIPInfo): New function.
5929 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5930 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5931 of _Unwind_GetIP.
5932 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5933 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5934 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5935 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5936 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5937 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5938 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5939 x86_64_fallback_frame_state): Set fs->signal_frame.
5940 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5941 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5942 (frob_update_context): Likewise. Workaround missing S flag in
5943 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5944 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5945 Remove the psw_addr + 1 hack.
5947 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5949 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5950 with aggregates here.
5951 (find_func_aliases): Remove code for &<aggregate> from here.
5953 2006-02-26 Roger Sayle <roger@eyesopen.com>
5955 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5956 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5957 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5958 as (X & C) ne/eq 0.
5960 2006-02-26 Roger Sayle <roger@eyesopen.com>
5962 PR middle-end/19983
5963 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5965 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5967 * opts.c (decode_options): Do not handle flag_strength_reduce.
5968 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5969 and OPT_fstrength_reduce.
5970 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5971 flag_prefetch_loop_arrays for being nonzero.
5972 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5973 no-ops.
5974 (fprefetch-loop-arrays-rtl): Removed.
5975 (flag_prefetch_loop_arrays): Do not specify the value.
5977 * doc/passes.texi: Update documentation of loop optimizer
5978 passes.
5979 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5980 -frerun-loop-opt): Remove.
5982 2006-02-26 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/26421
5985 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5986 in function calls that are ADDR_EXPRs as using the whole structure.
5988 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5990 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5991 * tree-pass.h (pass_loop_optimize): Remove.
5992 * passes.c (pass_loop_optimize): Never run it.
5993 * toplev.c (backend_init): Don't call init_loop.
5994 * opts.c (flag_loop_optimize_set): Remove.
5995 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5996 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5997 the old RTL loop optimizer when profiling enabled.
5998 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5999 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6000 pre-headers for the sake of the old RTL loop optimizer.
6001 * Makefile.in: Remove all references to loop.o.
6003 * doc/invoke.texi: Remove all references to -floop-optimize
6004 and -frerun-loop-opt.
6006 2006-02-26 Zack Weinberg <zackw@panix.com>
6008 * doc/md.texi (Machine Constraints): Refer to all files with paths
6009 relative to gcc directory (i.e. config/CPU/file). Add missing
6010 @table @code ... @end table to M32C subsection.
6012 2006-02-26 Roger Sayle <roger@eyesopen.com>
6014 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6015 (X & 1) == 0.
6016 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6018 2006-02-26 Roger Sayle <roger@eyesopen.com>
6019 James A. Morrison <phython@gcc.gnu.org>
6021 PR middle-end/21137
6022 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6023 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6024 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6025 signedness of the shift operation.
6027 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6029 PR tree-optimization/26359
6030 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6032 2006-02-25 Roger Sayle <roger@eyesopen.com>
6034 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6035 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6036 as X == 0, and some symmetry related transformations.
6037 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6039 2006-02-25 Roger Sayle <roger@eyesopen.com>
6041 PR middle-end/23673
6042 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6043 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6044 symmetry related transformations. Fold (X^C1) == C2 as
6045 X == (C1^C2).
6047 2006-02-25 Juergen Weigert <jw@suse.de>
6048 Richard Guenther <rguenther@suse.de>
6050 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6052 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6054 * combine.c (gen_lowpart_or_truncate): Call
6055 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6057 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6059 * doc/invoke.texi: Move -fopenmp description to "Options for
6060 Code Generation".
6061 Remove reference to -lgomp.
6063 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6065 * doc/install.texi: Require GNU tar version 1.14.
6067 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6069 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6070 * doc/invoke.texi (C++ Dialect Options): Document
6071 -fno-use-cxa-get-exception-ptr.
6072 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6073 * configure: Regenerate.
6074 * c.opt (fuse-cxa-get-exception-ptr): New.
6075 * c-opts.c (c_common_handle_option): Handle
6076 OPT_fuse_cxa_get_exception_ptr.
6077 * c-common.c (flag_use_cxa_atexit): Update documentation.
6078 (flag_use_cxa_get_exception_ptr): New.
6079 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6080 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6081 documentation.
6082 (C_COMMON_OVERRIDE_OPTIONS): New.
6084 2006-02-24 Roger Sayle <roger@eyesopen.com>
6086 PR middle-end/24952
6087 * combine.c (try_combine): Explicitly check whether GET_CODE is
6088 a SET or a CLOBBER, instead on checking that it isn't a USE.
6090 2006-02-24 Roger Sayle <roger@eyesopen.com>
6092 * fold-const.c (fold_comparison): New subroutine of fold_binary
6093 containing transformations common to both the equality and
6094 ordering relational operators, factored out of fold_binary.
6095 (fold_binary): Separate out the equality operators (EQ_EXPR
6096 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6097 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6098 transformations common to both.
6099 (fold_div_compare): Fix latent bugs in the previously unreachable
6100 LT_EXPR and GE_EXPR cases.
6102 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6104 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6105 decl libname for clog to __clog on AIX.
6107 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6109 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6111 PR target/26453
6112 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6113 output traceback table for thunks. Localise rs6000_stack_info call.
6115 2006-02-23 Roger Sayle <roger@eyesopen.com>
6116 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6118 * gthr-posix.h (__gthrw): Fix typo in comment.
6120 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6122 * doc/cpp.texi (Character sets): Document that we do support
6123 input files to be in any character set.
6125 2006-02-23 Jeff Law <law@redhat.com>
6127 * tree.h (PHI_ARG_NONZERO): Remove.
6128 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6129 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6130 node to the new node.
6132 PR tree-optimization/26425
6133 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6134 min/max, then assume its varying.
6136 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6138 PR rtl-optimization/26316
6139 * rtlanal.c (enum may_trap_p_flags): New.
6140 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6141 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6142 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6143 (may_trap_after_code_motion_p): New function.
6144 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6145 (find_invariant_insn): Use may_trap_after_code_motion_p.
6146 * rtl.h (may_trap_after_code_motion_p): Declare.
6148 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6150 * emit-rtl.c (immed_double_const): Cleanup.
6152 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6154 Fix PR tree-optimization/26376
6155 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6156 remove assert.
6158 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6160 PR middle-end/26412
6161 * gimplify.c (omp_add_variable): Guard variable size decl test with
6162 DECL_SIZE (decl) check.
6164 2006-02-23 Richard Guenther <rguenther@suse.de>
6166 PR middle-end/26439
6167 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6168 like aggregate types.
6170 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6172 * configure.ac: Add --with{,out}-long-double-128 configure option.
6173 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6174 * configure: Rebuilt.
6175 * config.in: Rebuilt.
6176 * doc/install.texi (Options specification): Document
6177 --with-long-double-128.
6179 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6180 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6181 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6182 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6184 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6186 * config/s390/s390.c (override_options): Handle
6187 TARGET_DEFAULT_LONG_DOUBLE_128.
6189 * config/alpha/alpha.c (override_options): Handle
6190 TARGET_DEFAULT_LONG_DOUBLE_128.
6192 * config/sparc/sparc.c (sparc_override_options): Handle
6193 TARGET_DEFAULT_LONG_DOUBLE_128.
6195 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6197 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6198 (real-install-headers-tar, real-install-headers-cpio)
6199 (real-install-headers-cp): New targets.
6201 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6203 * tree.h (variable_section): Delete.
6204 * varasm.c (variable_section): Delete.
6206 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6208 * install.texi: Add notes on install.texi2html.
6209 (Building in parallel): Do not use footnotes.
6211 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6213 PR libgomp/26234
6214 * doc/install.texi (Configuration): Document --disable-libgomp.
6216 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6218 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6220 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6222 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6223 (vec_extractv2df_0_sse): New.
6225 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6227 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6228 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6229 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6230 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6231 to the result of the expression.
6232 (def_cfa_1): Adjust.
6233 (frame_pointer_cfa_offset): Rename to...
6234 (frame_pointer_fb_offset): ... this. Adjust all uses.
6235 (convert_cfa_to_loc_list): Rename to...
6236 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6237 Pass it on to build_cfa_loc.
6238 (compute_frame_pointer_to_cfa_displacement): Rename to...
6239 (compute_frame_pointer_to_fb_displacement): ... this. New
6240 offset parameter. Use it in computation.
6241 (gen_subprogram_die): Compute cfa_fb_offset with the new
6242 macro, and use it to compute the fb loc list and the
6243 displacement.
6245 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6247 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6248 replaced with register_operand.
6249 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6250 non-DREG is expensive.
6251 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6252 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6253 involving memory.
6255 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6257 * doc/install.texi2html: Use set -e.
6259 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6261 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6262 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6263 * doc/invoke.texi (-fshared-data): Delete.
6264 * common.opt (fshared-data): Delete.
6265 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6266 (assemble_static_space): Remove #if 0 code.
6267 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6268 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6269 * config/cris/cris.h: Remove FIXME.
6271 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6273 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6274 hooks.
6276 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6278 PR middle-end/26379
6279 * combine.c (simplify_shift_const_1): Disable nested shifts
6280 optimization for vector shifts.
6282 2006-02-20 Roger Sayle <roger@eyesopen.com>
6284 PR tree-optimization/26361
6285 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6286 of unsigned integer types.
6288 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6290 * tree-chrec.c (eq_evolutions_p): New.
6291 * tree-chrec.h (eq_evolutions_p): Declared.
6292 * tree-data-ref.c: Fix formatting.
6293 (datadep_stats, dependence_stats): New.
6294 (gcd): Moved...
6295 (print_direction_vector): New.
6296 (dump_data_dependence_relation): Use print_direction_vector.
6297 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6298 (compute_subscript_distance): Static.
6299 (initialize_data_dependence_relation): Static. Get the number
6300 of loops surrounding the references from the callers, and initialize
6301 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6302 base_object_differ_p analyzers.
6303 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6304 compute_overlap_steps_for_affine_1_2,
6305 analyze_subscript_affine_affine): Count the classified dependences.
6306 Print a message when a test failed.
6307 (can_use_analyze_subscript_affine_affine): New.
6308 (analyze_siv_subscript): Compute the data dependences on symbolic
6309 scevs that verify can_use_analyze_subscript_affine_affine.
6310 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6311 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6312 Handle symbolic scevs.
6313 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6314 analyzed.
6315 (subscript_dependence_tester): Moved...
6316 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6317 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6318 DDR_SIZE_VECT instead of getting it in parameter.
6319 (subscript_dependence_tester): ... here. Take as a parameter
6320 loop_nest_depth. Call build_classic_dist_vector and
6321 build_classic_dir_vector.
6322 (compute_affine_dependence): Update subscript_dependence_tester
6323 parameters. Update datadep_stats counters. Call
6324 compute_subscript_distance.
6325 (compute_self_dependence): Save the dist and dir vectors. Call
6326 compute_subscript_distance.
6327 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6328 (compute_all_dependences): Reorder parameters as they were before
6329 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6330 compute_subscript_distance. Update the use of
6331 compute_affine_dependence and initialize_data_dependence_relation.
6332 (find_data_references_in_loop): Handle COMPONENT_REF.
6333 (compute_data_dependences_for_loop): Initialize dependence_stats.
6334 Don't call build_classic_dist_vector and build_classic_dir_vector.
6335 Update the parameters of initialize_data_dependence_relation and
6336 compute_all_dependences. Print the statistics from datadep_stats.
6337 (analyze_all_data_dependences): Static. Not used until the pass for
6338 checking the data dependences is contributed.
6339 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6340 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6341 (initialize_data_dependence_relation, compute_affine_dependence,
6342 analyze_all_data_dependences, compute_subscript_distance): Removed.
6343 (print_direction_vector): New.
6344 * lambda.h (gcd): ... here.
6345 (lambda_vector_gcd): Moved here from gcd_vector.
6346 * lambda-code.c (gcd, gcd_vector): Removed.
6347 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6348 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6350 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6352 * ipa-type-escape.c: Tidy some comments and white space.
6353 * tree-ssa-operands.c: Likewise.
6355 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6357 PR tree-opt/25879
6358 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6359 (dump_decl_name): Do not walk the decl tree chains.
6360 * tree-pass.h (TDF_CHAIN): Remove.
6362 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6364 * Makefile.in (C): Remove
6365 (PROTO): Remove
6366 (.PHONY): Remove C and PROTO
6368 2006-02-20 Roger Sayle <roger@eyesopen.com>
6370 PR middle-end/26236
6371 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6372 deprecated CHAR_TYPE tree code.
6374 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6376 * configure.ac (target_list): Add install-info, dvi, html.
6377 * configure: Regenerate.
6379 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6380 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6381 treelang/Make-lang.in: Do not use double-colon rules.
6383 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6385 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6386 (TMT_USED_ALONE): New macro.
6387 * tree-pass.h (PROP_tmt_usage): New property.
6388 (TODO_update_tmt_usage): New todo.
6389 * tree-ssa-alias.c (updating_used_alone): New variable.
6390 (recalculate_used_alone): New function.
6391 (compute_may_aliases): Set updating_used_alone, call
6392 recalculate_used_alone.
6393 * tree-sra.c (pass_sra): Note that this pass destroys
6394 PROP_tmt_usage, and add TODO_update_tmt_usage.
6395 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6396 * tree-flow.h (updating_used_alone): Prototype.
6397 (recalculate_used_alone): Ditto.
6398 * passes.c (execute_todo): Add code to set updating_used_alone,
6399 and call recalculate.
6400 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6401 for clobber if used alone, and add assert to verify used_alone
6402 status.
6404 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6406 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6407 for non tls symbols added.
6408 (legitimize_address): Do nothing for PLUS expressions if one of the
6409 addends is a tls symbol reference.
6411 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6413 PR bootstrap/25476
6415 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6417 * Makefile.in (BOOTSTRAPPING): New.
6418 (quickstrap): New definition if BOOTSTRAPPING=yes.
6420 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6421 * configure.ac: Substitute all_selected_languages with the languages
6422 that were configured. For all the other variables except
6423 lang_specs_files, include all the languages in the tree.
6424 * configure: Regenerate.
6426 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6427 if there is one. Run the commands to run fixincludes in the same
6428 subshell.
6430 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6431 * doc/install.texi: Document exact conventions for searching target tools.
6432 Document --with-build-time-tools. Document toplevel bootstrap. Document
6433 something more about building an Ada cross-compiler. Don't list GNU Make
6434 requirements which affect all platforms.
6436 2006-02-19 Roger Sayle <roger@eyesopen.com>
6438 PR middle-end/19543
6439 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6440 only equivalent if the have both the same mode and precision.
6442 2006-02-20 Ben Elliston <bje@au.ibm.com>
6444 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6446 2006-02-19 Roger Sayle <roger@eyesopen.com>
6447 Steven Bosscher <stevenb.gcc@gmail.com>
6449 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6450 constant pool references to identify stack mode constants.
6451 * rtlanal.c (constant_pool_constant_p): New predicate to check
6452 whether operand is a floating point constant in the pool.
6453 * rtl.h (constant_pool_constant_p): Prototype here.
6454 * loop.c (scan_loop): Avoid hoisting constants from the constant
6455 pool on STACK_REGS targets.
6456 (load_mems): Likewise.
6457 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6458 loads into x87 registers expensive in terms of register pressure.
6460 2006-02-19 Roger Sayle <roger@eyesopen.com>
6462 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6463 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6465 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6467 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6468 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6470 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6472 * doc/invoke.texi: Document -fipa-pta.
6473 * common.opt: Add ipa-pta option.
6474 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6475 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6476 (do_ds_constraint): Ditto.
6477 (get_constraint_for): Only add to referenced_vars if
6478 referenced_vars exists.
6479 (insert_into_field_list): Rewrite to do this unsorted.
6480 (insert_into_field_list_sorted): Rename old insert_into_field_list
6481 to this.
6482 (create_function_info_for): Use insert_into_field_list_sorted.
6483 (create_variable_info_for): Rewrite so it uses unsorted version,
6484 since the field list is sorted.
6485 (intra_create_variable_infos): Only add to referenced_vars if
6486 referenced_vars exists.
6487 (ipa_pta_execute): Init heapvars, and delete when done.
6488 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6490 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6492 * doc/install.texi: Add missing `@samp'.
6494 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6496 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6497 Use the arguments.
6499 2006-02-18 Mark Wielaard <mark@klomp.org>
6501 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6502 who added new 4.1 features, bug fixes and integration support.
6504 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6506 PR target/26350
6507 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6508 MEM for ABI_V4 pic.
6510 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6512 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6513 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6514 (copy_insn_1): Likewise. Don't copy each field individually.
6515 Reindent.
6516 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6517 of RTX_SIZE.
6518 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6519 * rtl.c (rtx_size): Rename variable to...
6520 (rtx_code_size): ...this.
6521 (rtx_size): New function.
6522 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6523 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6524 Reindent.
6525 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6526 * rtl.h (rtx_code_size): New variable.
6527 (rtx_size): Change from a variable to a function.
6528 (RTX_SIZE): Rename to...
6529 (RTX_CODE_SIZE): ...this.
6531 PR target/9703
6532 PR tree-optimization/17106
6533 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6534 (Anchored Addresses): New section.
6535 * doc/invoke.texi (-fsection-anchors): Document.
6536 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6537 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6538 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6539 * hooks.c (hook_bool_mode_rtx_false): New function.
6540 * hooks.h (hook_bool_mode_rtx_false): Declare.
6541 * gengtype.c (create_optional_field): New function.
6542 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6543 SYMBOL_REF_IN_BLOCK_P is true.
6544 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6545 (min_anchor_offset, max_anchor_offset): Likewise.
6546 (use_anchors_for_symbol_p): New hook.
6547 * toplev.c (compile_file): Call output_object_blocks.
6548 (target_supports_section_anchors_p): New function.
6549 (process_options): Check that -fsection-anchors is only used on
6550 targets that support it and when -funit-at-a-time is in effect.
6551 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6552 if the decl doesn't have one.
6553 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6554 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6555 of force_const_mem through use_anchored_address.
6556 (expand_expr_constant): New function.
6557 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6558 calling expand_expr for INDIRECT_REF.
6559 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6560 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6561 * expr.h (use_anchored_address): Declare.
6562 * loop-unroll.c: Don't declare rtx vectors here.
6563 * explow.c: Include output.h.
6564 (validize_mem): Call use_anchored_address.
6565 (use_anchored_address): New function.
6566 * common.opt (-fsection-anchors): New switch.
6567 * varasm.c (object_block_htab, anchor_labelno): New variables.
6568 (hash_section, object_block_entry_eq, object_block_entry_hash)
6569 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6570 (use_blocks_for_decl_p, change_symbol_section): New functions.
6571 (get_variable_section): New function, split out from assemble_variable.
6572 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6573 use_blocks_for_decl_p say so. Use change_symbol_section if the
6574 symbol has already been created.
6575 (assemble_variable_contents): New function, split out from...
6576 (assemble_variable): ...here. Don't output any code for
6577 block symbols; just pass them to place_block_symbol.
6578 Use get_variable_section and assemble_variable_contents.
6579 (get_constant_alignment, get_constant_section, get_constant_size): New
6580 functions, split from output_constant_def_contents.
6581 (build_constant_desc): Create a block symbol if use_object_blocks_p
6582 says so. Or into SYMBOL_REF_FLAGS.
6583 (assemble_constant_contents): New function, split from...
6584 (output_constant_def_contents): ...here. Don't output any code
6585 for block symbols; just pass them to place_section_symbol.
6586 Use get_constant_section and get_constant_alignment.
6587 (force_const_mem): Create a block symbol if use_object_blocks_p and
6588 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6589 (output_constant_pool_1): Add an explicit alignment argument.
6590 Don't switch sections here.
6591 (output_constant_pool): Adjust call to output_constant_pool_1.
6592 Switch sections here instead. Don't output anything for block symbols;
6593 just pass them to place_block_symbol.
6594 (init_varasm_once): Initialize object_block_htab.
6595 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6596 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6597 (place_block_symbol, get_section_anchor, output_object_block)
6598 (output_object_block_htab, output_object_blocks): New functions.
6599 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6600 (TARGET_ASM_OUT): Include it.
6601 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6602 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6603 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6604 (TARGET_INITIALIZER): Include them.
6605 * rtl.c (rtl_check_failed_block_symbol): New function.
6606 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6607 (block_symbol, object_block): New structures.
6608 (rtx_def): Add a block_symbol field to the union.
6609 (BLOCK_SYMBOL_CHECK): New macro.
6610 (rtl_check_failed_block_symbol): Declare.
6611 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6612 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6613 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6614 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6615 * output.h (output_section_symbols): Declare.
6616 (object_block): Name structure.
6617 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6618 (default_use_anchors_for_symbol_p): Declare.
6619 * Makefile.in (RTL_BASE_H): Add vec.h.
6620 (explow.o): Depend on output.h.
6621 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6622 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6623 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6624 (rs6000_use_blocks_for_constant_p): New function.
6626 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6628 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6630 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6632 PR tree-opt/25680
6633 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6634 IMAGPART_EXPR.
6636 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6638 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6639 is_aliased.
6640 Update all users.
6642 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6644 PR middle-end/26334
6645 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6646 instead of DECL_REGISTER.
6648 2006-02-18 Olivier Hainque <hainque@adacore.com>
6650 PR ada/13408
6651 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6653 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6655 PR target/24837
6656 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6657 * opth-gen.awk: Handle Var and InverseMask together.
6658 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6659 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6660 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6661 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6662 used together.
6663 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6664 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6665 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6666 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6667 LINUX_DYNAMIC_LINKER): Define.
6668 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6669 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6670 TARGET_GLIBC.
6671 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6672 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6673 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6675 (TARGET_C99_FUNCTIONS): Don't define.
6676 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6677 GLIBC_DYNAMIC_LINKER.
6678 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6679 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6680 GLIBC_DYNAMIC_LINKER64): Define.
6681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6682 LINUX_DYNAMIC_LINKER64.
6683 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6685 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6687 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6689 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6690 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6691 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6693 and LINUX_DYNAMIC_LINKER32.
6694 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6696 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6698 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6699 TARGET_GLIBC.
6700 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6701 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6702 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6703 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6704 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6705 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6706 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6707 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6708 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6709 LINUX_DYNAMIC_LINKER): Define.
6710 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6711 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6712 GLIBC_DYNAMIC_LINKER64): Define.
6713 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6714 LINUX_DYNAMIC_LINKER64.
6715 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6716 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6717 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6718 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6719 LINUX_DYNAMIC_LINKER): Define.
6720 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6721 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6722 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6723 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6724 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6725 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6726 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6727 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6728 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6729 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6731 * doc/invoke.texi (-muclibc): Remove caveat about supported
6732 targets.
6734 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6736 * doc/cpp.texi (__TIMESTAMP__): Document.
6738 2006-02-17 Roger Sayle <roger@eyesopen.com>
6740 PR middle-end/25600
6741 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6742 C is one less than the width of X (and related transformations).
6743 * simplify-rtx.c (simplify_unary_operation_1): Transform
6744 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6745 depending on STORE_FLAG_VALUE, were C is one less then the
6746 width of X.
6748 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6750 Fix PR tree-optimization/26341
6751 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6752 about NAME_MEMORY_TAG's.
6754 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6756 PR target/26255
6757 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6758 with hardware float support, and software float support. Add fcpy
6759 alternative to hardware patterns. Add alternatives to copy between
6760 general and floating-point registers to the 32-bit pattern.
6761 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6762 secondary reload to load a QI or HI mode constant into a floating
6763 point register.
6764 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6765 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6767 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6769 PR target/26272
6770 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6771 pc to the pattern.
6772 (load_macho_picbase_di): Likewise.
6774 2006-02-16 Jeff Law <law@redhat.com>
6776 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6777 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6778 (ssa_name_nonzero_p): Likewise.
6779 (get_value_range): Return NULL if VRP is not running.
6780 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6781 VRP routines do not discover a range.
6782 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6783 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6784 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6785 (tree_expr_nonnegative_p): Similarly.
6786 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6787 (restore_nonzero_vars_to_original_value): Remove.
6788 (unsafe_associative_fp_binop): Remove.
6789 (tree_ssa_dominator_optimize): Remove initialization and
6790 finalization of nonzero_vars and nonzero_vars_stack.
6791 (dom_opt_initialize_block): No longer push marker on
6792 nonzero_vars_stack.
6793 (dom_opt_finalize_block): No longer call
6794 restore_nonzero_vars_to_original_value.
6795 (record_equivalences_from_phis): No longer look for
6796 nonzero PHI arguments.
6797 (cprop_into_successor_phis): No longer propagate nonzero
6798 property into PHI arguments. Lose unused argument. Caller
6799 updated.
6800 (record_equivalences_from_stmt): No longer record nonzero
6801 values for SSA_NAMEs.
6802 (lookup_avail_expr): No longer use nonzero_vars.
6804 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6805 for sizetype when sizetype is unsigned.
6807 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6809 PR rtl-optimization/25603
6810 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6811 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6812 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6813 with new meaning of SETS.
6815 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6817 PR target/20353
6818 PR target/24578
6819 PR target/24837
6820 * config/linux.opt: New file.
6821 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6822 LINUX_DYNAMIC_LINKER): Define.
6823 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6824 * config.gcc (*-*-linux*): Define extra_options.
6825 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6826 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6827 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6828 GLIBC_DYNAMIC_LINKER.
6829 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6830 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6831 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6833 * doc/invoke.texi (GNU/Linux Options): New section.
6835 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6837 * config/sparc/sparc.md (setjmp): Rewrite.
6838 (setjmp_32): Delete.
6839 (setjmp_64): Likewise.
6841 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6843 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6844 previous change.
6846 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6848 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6849 read-write uses.
6851 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6853 PR rtl-optimization/26296
6854 * Makefile.in (loop-invariant.c): Add except.h dependency.
6855 * loop-invariant.c: Include except.h.
6856 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6858 2005-02-16 Paul Brook <paul@codesourcery.com>
6860 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6861 for reloads.
6863 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6865 PR rtl-optimization/25636
6866 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6867 when deciding whether an insn is an initializing insn.
6869 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6871 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6872 (tree_code_size): Ditto.
6873 * tree.h (struct tree_memory_tag): Remove parent_var.
6874 (struct tree_struct_field_tag): New.
6875 (SFT_OFFSET): New.
6876 (SFT_SIZE): New.
6877 (union tree_node): Add sft member.
6878 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6879 specially here.
6880 (create_sft): Add size and offset argument, set SFT_OFFSET and
6881 SFT_SIZE.
6882 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6883 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6884 * tree-flow-inline.h (get_subvar_at): Update for
6885 SFT_OFFSET/SFT_SIZE.
6886 (var_can_have_subvars): Ditto.
6887 (overlap_subvar): Ditto.
6888 * print-tree.c (print_node): Print out interesting things for
6889 SFT's.
6890 * tree-flow.h (struct subvar): Remove offset and size members.
6891 * tree-ssa-operands.c (get_expr_operands): Update for
6892 get_indirect_ref_operands changes.
6893 (get_indirect_ref_operands): Call add_virtual_operand instead of
6894 add_stmt_operand. Only recurse on base var if requested.
6895 (access_can_touch_variable): New function.
6896 (add_stmt_operand): Split virtual operand handling into ...
6897 (add_virtual_operand): Here. Add offset, size, and for_clobber
6898 arguments. Prune alias sets.
6899 (add_call_clobber_ops): Call add_virtual_operand.
6901 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6903 PR middle-end/26300
6904 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6906 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6907 than TREE_CODE as index into omp_clause_num_ops array.
6909 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6911 PR rtl-optimization/26184
6912 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6913 uses_of_defs.
6914 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6915 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6916 must_precede, must_follow and tobe_scheduled.
6918 PR other/26147
6919 * opts.c (common_handle_option): Free new_option pointer.
6920 * df-core.c (df_analyze): Free postorder pointer.
6922 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6924 * Makefile.in: Fix the examples about the use of stamps
6926 2006-02-15 Michael Matz <matz@suse.de>
6928 PR middle-end/22275
6930 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6931 influenced by maximum_field_alignment or DECL_PACKED.
6932 (update_alignment_for_field): Ditto.
6933 (place_field): Ditto.
6934 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6935 this behaviour.
6937 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6939 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6940 (debug_flow_info): Pass it.
6941 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6942 * bb-reorder.c (reorder_basic_blocks): Likewise.
6943 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6944 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6945 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6946 * gcse.c (gcse_main, bypass_jumps): Likewise.
6947 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6948 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6949 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6950 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6951 * rtl.h (dump_flow_info): Adjust prototype.
6952 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6953 * var-tracking.c (variable_tracking_main): Likewise.
6954 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6955 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6956 options.
6958 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6960 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6961 construction.
6963 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6965 PR tree-optimization/26209
6966 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6967 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6968 eh edges.
6969 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6971 2006-02-14 Roger Sayle <roger@eyesopen.com>
6973 PR middle-end/23670
6974 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6975 (X,Y) and the corresponding symmetry related transformations.
6976 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6977 (X,Y) and its symmetry related transformations.
6979 2006-02-14 Roger Sayle <roger@eyesopen.com>
6981 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6982 and GEU.
6984 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6986 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6988 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6990 PR bootstrap/26053
6991 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6992 support COMDAT group.
6993 * configure: Regenerate.
6995 2006-02-14 Roger Sayle <roger@eyesopen.com>
6997 PR middle-end/26279
6998 PR middle-end/26280
6999 PR middle-end/26283
7000 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7002 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7004 Fix PR tree-optimization/26260
7006 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7007 param.
7008 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7009 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7010 * tree-ssa-structalias.c (create_variable_info_for): Use
7011 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7013 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7015 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7016 Document.
7017 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7018 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7019 of the ending condition.
7020 * tree-ssa-loop-manip.c: Include params.h.
7021 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7022 tree_unroll_loop): New functions.
7023 * tree-pass.h (pass_loop_prefetch): Declare.
7024 * loop.c (rest_of_handle_loop_optimize): Test for
7025 -fprefetch-loop-arrays-rtl.
7026 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7027 * timevar.def (TV_TREE_PREFETCH): New timevar.
7028 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7029 pass_loop_prefetch): New.
7030 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7031 (cleanup_tree_cfg_loop): Call scev_reset.
7032 * common.opt (fprefetch-loop-arrays-rtl): Add.
7033 * tree-ssa-loop-prefetch.c: New file.
7034 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7035 (new_temp_expr_table): Initialize expr_vars.
7036 (free_temp_expr_table): Cleanup expr_vars.
7037 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7038 expressions from being merged into one.
7039 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7040 (struct tree_niter_desc): Add control, bound and cmp fields.
7041 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7042 Declare.
7043 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7044 (tree-cfgcleanup.o): Add SCEV_H dependency.
7045 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7046 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7048 2006-02-14 Richard Guenther <rguenther@suse.de>
7050 PR tree-optimization/26258
7051 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7052 in PHI argument processing.
7054 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7056 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7057 new expression in the requested machine mode.
7059 2006-02-13 Roger Sayle <roger@eyesopen.com>
7061 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7062 directly, instead let do_compare_rtx_and_jump handle this for us.
7063 * expr.c (expand_expr_real_1): Likewise.
7064 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7065 before do_jump_by_parts_greater.
7066 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7067 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7069 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7071 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7073 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7075 PR rtl-optimization/26235
7076 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7077 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7078 format.
7080 2006-02-13 Jeff Law <law@redhat.com>
7082 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7083 TRUTH_XOR_EPR.
7085 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7087 PR middle-end/26092
7088 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7089 twice if decl is a builtin. When trying again, call get_callee_fndecl
7090 first to verify it is still a builtin.
7092 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7094 * dwarf2out.c (base_type_die): Don't add AT_name here.
7095 (subrange_type_die): Don't add AT_name here.
7096 (modified_type_die): Rearrange code flow. Do add AT_name here.
7098 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7100 PR rtl-optimization/26247
7101 PR rtl-optimization/26248
7102 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7104 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7106 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7107 * config/fixtfdi.c: Likewise.
7108 * config/fixunstfdi.c: Likewise.
7109 * config/floatditf.c: Likewise.
7111 2006-02-13 Roger Sayle <roger@eyesopen.com>
7113 PR middle-end/24427
7114 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7115 into (X,C2) if C1 is a subset of the bits of C2. Transform
7116 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7117 (X&(C1&~C2))|C2.
7118 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7120 2006-02-13 Josh Conner <jconner@apple.com>
7122 PR target/25376
7123 * varasm.c (function_section): Check for section name before
7124 calling select_section on targets that define
7125 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7126 unlikely_text_section instead of hot_function_section if
7127 first_function_block_is_cold.
7129 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7131 PR middle-end/25335
7132 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7134 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7136 PR rtl-optimization/26222
7137 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7138 after tree->rtl expansion.
7139 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7140 before passing it to emit_move_insn.
7142 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7144 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7145 default.
7146 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7147 Clarify documentation.
7148 * c-common.h (warn_write_strings): Remove.
7149 * c-common.c (warn_write_strings): Likewise.
7150 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7151 default for C++.
7153 2006-02-12 Roger Sayle <roger@eyesopen.com>
7155 PR middle-end/25724
7156 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7157 (do_jump_parts_zero_rtx): New function renamed from
7158 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7159 (do_jump_parts_equality_rtx): New function split out from
7160 do_jump_parts_equality. Old implementation renamed as above.
7161 Call do_jump_parts_zero_rtx if either operand is zero.
7162 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7163 do all of the heavy lifting.
7164 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7165 calling either do_jump_by_parts_greater_rtx or
7166 do_jump_by_parts_equality_rtx.
7167 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7168 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7169 moved to do_compare_rtx_and_jump, call it directly.
7170 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7171 mode argument. Call do_compare_rtx_and_jump.
7172 (emit_case_nodes): Update calls to do_jump_if_equal.
7174 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7176 PR rtl-optimization/26225
7177 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7179 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7181 PR rtl-optimization/26232
7182 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7184 2006-02-11 Jason Merrill <jason@redhat.com>
7186 PR tree-opt/24365
7187 * tree-inline.c (declare_return_variable): Just don't use the
7188 modify target if it's a gimple complex reg and the return slot
7189 isn't.
7191 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7193 * doc/contrib.texi: Update my entry.
7195 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7197 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7199 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7201 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7202 expensive.
7204 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7206 * doc/invoke.texi (-floop-optimize2): Removed.
7207 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7208 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7209 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7210 * common.opt (floop-optimize2): Removed.
7211 (fmove-loop-invariants): Enabled by default.
7213 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7215 * tree-if-conv.c (combine_blocks): Free the result of
7216 get_loop_exit_edges.
7218 2006-02-10 Jeff Law <law@redhat.com>
7220 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7222 PR tree-optimization/26213
7223 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7224 loop trying to follow SSA_NAME_VALUE chains.
7226 2006-02-10 Richard Guenther <rguenther@suse.de>
7228 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7229 deal with structures that end in implicitly variable sized arrays.
7231 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7233 PR rtl-optimization/24762
7234 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7235 eh edges.
7237 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7239 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7240 (struct ivopts_data): Add regs_used field.
7241 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7242 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7243 instead of loop_data->regs_used;
7244 (free_loop_data): Do not free aux fields for loops.
7245 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7246 and tree_ssa_iv_optimize_finalize.
7248 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7250 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7252 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7254 PR target/26141
7255 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7256 computing the effective result type.
7258 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7260 PR inline-asm/16194
7261 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7262 (tree_overlaps_hard_reg_set): Declare.
7263 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7264 type and signature to match function type expected by walk_tree.
7265 (tree_overlaps_hard_reg_set): New function.
7266 (decl_conflicts_with_clobbers_p): Rename to:
7267 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7268 Use tree_overlaps_hard_reg_set. Changed caller.
7269 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7270 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7271 * cris.c (cris_md_asm_clobbers): Likewise.
7273 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7275 * reload1.c (emit_input_reload_insns): Delete code that tries to
7276 inherit using find_equiv_reg.
7278 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7280 * c-common.h (flag_const_strings): Don't declare.
7281 * c-common.c (flag_const_strings): Remove.
7282 * c.opt (fconst_strings): Remove.
7283 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7284 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7285 (c_common_init_options): Don't set flag_const_strings.
7286 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7288 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7290 * arm.md (tlobits_cbranch): New pattern.
7291 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7292 testing a single bit.
7294 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7296 PR tree-opt/26179
7297 * tree-ssa-pre.c (create_component_ref_by_pieces):
7298 Handle RETURN_DECL like VAR_DECL.
7300 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7302 PR middle-end/26134
7303 * fold-const.c (fold_indirect_ref_1): Fold
7304 "*(foo *)&complexfoo" to "__real__ complexfoo"
7305 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7307 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7309 * tree-flow-inline.h (var_can_have_subvars):
7310 Volatile variables should not have subvariables.
7312 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7314 PR 26180
7315 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7316 multiplying unsigned values.
7317 Tidy comments.
7319 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7321 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7323 2006-02-08 Jason Merrill <jason@redhat.com>
7325 PR c++/25979
7326 * tree.def: Elaborate on difference from MODIFY_EXPR.
7327 * doc/c-tree.texi (INIT_EXPR): Likewise.
7328 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7329 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7330 (gimplify_target_expr): Likewise.
7331 (gimplify_cond_expr): Remove target handling.
7332 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7333 (gimplify_expr): Clobber it here.
7334 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7335 Do return slot optimization if we have an INIT_EXPR.
7337 PR tree-opt/24365
7338 * tree-inline.c (declare_return_variable): Also clear
7339 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7341 PR c++/16405
7342 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7344 PR middle-end/22439
7345 * gimplify.c (gimplify_one_sizepos): Fix typo.
7347 2006-02-08 Jeff Law <law@redhat.com>
7349 PR tree-optimization/21417
7350 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7351 across a backedge if the control statement at the end of the
7352 block is data dependent on other statements in the same block.
7353 (record_temporary_equivalences_from_stmts): Remove over-conservative
7354 test for threading across backedges.
7356 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7357 control statement, handle all three special cases in the same
7358 manner as they all have the same desired solution. No longer
7359 special case edge flag updating when the post dominator is
7360 the exit block.
7362 2006-02-08 Roger Sayle <roger@eyesopen.com>
7364 * tree.def (CHAR_TYPE): Remove.
7365 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7366 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7367 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7368 (gen_string_type_die): Delete unreachable function.
7370 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7371 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7372 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7373 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7374 * builtins.c (type_to_class): Likewise.
7375 * fold-const.c (fold_convert, build_range_check,
7376 merge_ranges): Likewise.
7377 * expr.c (count_type_elements): Likewise.
7378 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7379 * stor-layout.c (layout_type): Likewise.
7380 * ipa-type-escape.c (type_to_consider): Likewise.
7381 * gimplify.c (omp_firstprivatize_type_sizes,
7382 gimplify_type_sizes): Likewise.
7383 * explow.c (promote_mode): Likewise.
7384 * tree-sra.c (is_sra_scalar_type): Likewise.
7385 * varasm.c (output_constant): Likewise.
7386 * tree-inline.c (remap_type_1): Likewise.
7387 * convert.c (convert_to_pointer, convert_to_real,
7388 convert_to_integer, convert_to_complex): Likewise.
7390 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7392 * df-scan.c (df_def_record_1): A set destination may
7393 be a parallel regardless of mode.
7395 2006-02-08 Roger Sayle <roger@eyesopen.com>
7397 PR target/22209
7398 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7399 * config/mips/_tilib.c: Remove.
7400 * config/fixtfdi.c: New libgcc source file.
7401 * config/fixunstfdi.c: New source file.
7402 * config/floatditf.c: New source file.
7403 * config/floatunditf.c: New souce file.
7404 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7405 files above instead of config/mips/_tilib.c.
7406 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7408 2006-02-08 Jeff Law <law@redhat.com>
7410 PR tree-optimization/26169
7411 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7412 threading jumps.
7414 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7416 * df.h (DF_REG_SIZE): Return the length of the initialized
7417 part of the array.
7419 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7421 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7422 __muldf3): Return a correctly signed zero.
7424 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7426 * passes.c (register_one_dump_file): Accept the current properties
7427 instead of pass number. Adjust call to dump_register. Remove
7428 duplicated code.
7429 (register_dump_files): Now a wrapper around...
7430 (register_dump_files_1): ... this one. Do not modify the pass
7431 structure.
7432 (next_pass_1): Cosmetic fix.
7433 (execute_todo): Keep second parameter only. Use curr_properties
7434 instead of fetching it from the pass structure. Check and set
7435 last_verified.
7436 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7437 instead of fetching it from the pass structure. Fix calls to
7438 execute_todo. Update curr_properties and initialize .vcg RTL dump
7439 after running the pass. Reset last_verified.
7440 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7441 at the beginning.
7442 (FIRST_AUTO_NUMBERED_DUMP): New.
7443 (dump_register): Remove "num" parameter, assign it within the
7444 function.
7445 (get_dump_file_name): Modify template for dumps.
7446 * tree-dump.h (dump_register): Adjust prototype.
7447 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7448 (PROP_trees): Add PROP_gimple_lomp.
7449 (TODO_set_props): New.
7450 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7451 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7452 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7454 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7456 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7457 (sparc64-*-linux*): Likewise.
7458 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7459 * config/sparc/t-linux: New file.
7460 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7461 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7462 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7463 -m32 -mlong-double-128.
7465 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7466 * config/alpha/t-linux: New file.
7467 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7469 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7470 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7471 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7472 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7473 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7474 (CPP_ARCH32_SPEC): Remove.
7476 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7478 PR tree-optimization/26145
7479 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7480 bbs pointer.
7482 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7484 PR target/26109
7485 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7486 >= 240000 when generating code for SOM runtime.
7487 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7488 to $$dyncall when generating code for SOM runtime..
7490 2006-02-07 Dirk Mueller <dmueller@suse.com>
7492 PR c++/18150
7493 * doc/invoke.texi (-Wsequence-point): Update documentation
7494 that -Wsequence-point is implemented for C++ as well.
7496 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7498 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7499 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7500 (LIB_SPEC): Likewise.
7501 * doc/invoke.texi (SPARC options): Document -pthread.
7503 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7505 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7506 PIC addresses.
7508 2006-02-07 Roger Sayle <roger@eyesopen.com>
7510 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7511 Correct comment describing BOOLEAN_TYPE.
7513 2006-02-07 Dirk Mueller <dmueller@suse.com>
7515 * c.opt: C++ frontend supports -Wdiv-by-zero.
7516 * c-opts.c (c_common_handle_option): Remove dead case.
7518 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7520 * configure.ac (TLS assembler check): Do not enable TLS by
7521 default on SPARC/Solaris before version 10.
7522 * configure: Regenerate.
7524 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7526 * doc/invoke.texi (xl-compat): Document conversion and support
7527 routine names.
7529 2006-02-07 Jeff Law <law@redhat.com>
7531 * tree-vrp.c (find_conditional_asserts): Update comments.
7532 (simplify_stmt_for_jump_threading): New.
7533 (identify_jump_threads, finalize_jump_threads): New.
7534 (vrp_finalize): Call identify_jump_threads.
7535 (execute_vrp): Call finalize_jump_threads.
7536 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7537 (vrp_element, vrp_data, vrp_element_p): Remove.
7538 (vrp_hash_elt, vrp_variables_stack): Remove.
7539 (vrp_hash, vrp_eq, record_range): Remove.
7540 (simplify_cond_and_lookup_avail_expr): Remove.
7541 (extract_range_from_cond): Remove.
7542 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7543 (simplify_stmt_for_jump_threading): New.
7544 (dom_thread_across_edge): New wrapper.
7545 (tree_ssa_dominator_optimize): No longer initialize or
7546 finalize any of the VRP datastructures. Remove iteration
7547 step and simplify as a result of removal of iteration step.
7548 (pass_dominator): Perform a cfg cleanup after DOM.
7549 (dom_opt_finalize_block): Use the new common routines
7550 for threading jumps. Simplify stack management slightly.
7551 No longer need to unwind VRP state.
7552 (record_equivalences_from_incoming_edge): No longer record
7553 VRP information.
7554 (eliminate_redundant_computations): No longer call
7555 simplify_cond_and_lookup_avail_expr.
7556 * tree-flow.h (potentially_threadable_block): Prototype.
7557 (thread_across_edge): Likewise.
7558 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7559 (tree-ssa-threadedge.o): Add dependencies.
7560 * tree-ssa-threadedge.c: New file.
7561 * passes.c (init_optimization_passes): Merge PHIs before
7562 calling VRP. Run VRP again late in the SSA optimization pipeline.
7564 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7566 * df-core.c (df_set_blocks): Do not dereference function pointers.
7567 (df_finish1): Likewise.
7568 (df_hybrid_search_forward): Likewise.
7569 (df_hybrid_search_backward): Likewise.
7570 (df_iterative_dataflow): Likewise.
7571 (df_analyze_problem): Likewise.
7572 (df_compact_blocks): Likewise.
7573 (df_dump): Likewise.
7574 * df-scan.c (df_rescan_blocks): Likewise.
7575 (df_record_entry_block_defs): Likewise.
7577 * genconditions.c (write_conditions): Guard the definition of
7578 'insn_conditions' with the check on GCC version.
7579 (write_writer): Guard the traversal 'insn_conditions' with
7580 the check on GCC version.
7582 2006-02-07 Richard Guenther <rguenther@suse.de>
7584 PR c++/26140
7585 Revert
7586 2006-01-30 Richard Guenther <rguenther@suse.de>
7587 PR c++/23372
7588 * gimplify.c (gimplify_target_expr): Handle easy cases
7589 without creating a temporary.
7591 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7593 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7594 use of float in probability computations. Use edge probabilities
7595 in place of statically computed probabilities.
7596 (min_spec_prob): New static variable.
7597 (schedule_insns): Initialize it.
7598 (GET_SRC_PROB): Removed.
7599 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7601 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7603 PR debug/24444
7604 * config/ia64/unwind-ia64.c: Revert last change.
7605 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7606 (INCOMING_FRAME_SP_OFFSET): Define.
7608 2006-02-06 Roger Sayle <roger@eyesopen.com>
7610 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7612 2006-02-07 Ben Elliston <bje@au.ibm.com>
7614 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7615 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7616 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7617 (ix86_return_in_memory): Handle TDmode.
7618 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7619 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7621 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7623 * reorg.c (dbr_schedule): Use dump_file instead of file.
7625 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7627 PR target/25917
7628 * config/ia64/predicates.md (extr_len_operand): New predicate.
7629 * config/ia64/ia64.md (extv): Tighten constraints.
7630 (extzv): Ditto.
7631 (*tbit_and_2): Ditto.
7632 (*tbit_and_3): Ditto.
7633 (*tbit_or_2): Ditto.
7634 (*tbit_or_3): Ditto.
7635 (*bit_zero): Ditto.
7636 (*bit_one): Ditto.
7638 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7640 PR target/23359
7641 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7643 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7645 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7646 loop_optimizer_init and loop_optimizer_finalize
7647 * tree-ssa-sink.c (execute_sink_code): Ditto.
7648 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7649 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7650 tree_ssa_loop_done): Ditto.
7651 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7652 * sched-ebb.c: Include output.h.
7653 (schedule_ebbs): Do not use dump argument.
7654 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7655 * loop.c (loop_dump_stream): Removed.
7656 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7657 argument.
7658 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7659 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7660 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7661 loop_iterations, strength_reduce, record_biv, record_giv,
7662 final_giv_value, check_final_value, check_ext_dependent_givs,
7663 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7664 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7665 dump_file instead of loop_dump_stream.
7666 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7667 argument dump_file.
7668 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7669 dump argument.
7670 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7671 * haifa-sched.c: Include output.h
7672 (schedule_insns, sched_init): Do not use dump argument.
7673 * mode-switching.c (optimize_mode_switching): Ditto.
7674 * modulo-sched.c (stats_file): Removed.
7675 (print_node_sched_params): Do not call argument dump_file.
7676 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7677 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7678 of stats_file.
7679 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7680 use dump argument.
7681 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7682 rtl_loop_init, rtl_loop_done): Ditto.
7683 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7684 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7685 Ditto.
7686 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7687 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7688 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7689 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7690 * emit-rtl.c (renumber_insns): Ditto.
7691 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7692 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7693 * regclass.c (regclass): Ditto.
7694 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7695 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7696 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7697 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7698 Ditto.
7699 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7700 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7701 to regclass.
7702 * gcse.c (gcse_file, debug_stderr): Removed.
7703 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7704 rest_of_handle_gcse): Do not use dump argument.
7705 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7706 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7707 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7708 compute_code_hoist_vbeinout, compute_code_hoist_data,
7709 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7710 compute_store_table, build_store_vectors, insert_insn_start_bb,
7711 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7712 store_motion): Use dump_file instead of gcse_file.
7713 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7714 * profile.c (profile_dump_file): Removed.
7715 (branch_prob): Use dump_file instead of profile_dump_file.
7716 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7717 dump_file.
7718 * tree-ssa-copy.c (dump_copy_of): Ditto.
7719 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7720 dump file to life_analysis.
7721 * bt-load.c (branch_target_load_optimize): Ditto.
7722 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7723 renumber_insns.
7724 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7725 regclass, dbr_schedule): Declaration changed.
7726 * sched-int.h (sched_init): Declaration changed.
7727 * tree-profile.c (tree_profile_dump_file): Removed.
7728 (tree_profile_hooks): Removed profile_dump_file hook.
7729 * rtl-profile (rtl_profile_dump_file): Removed.
7730 (rtl_profile_hooks): emoved profile_dump_file hook.
7731 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7732 changed.
7733 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7734 * tree-cfg.c (build_tree_cfg): Ditto.
7735 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7736 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7737 Declaration changed.
7738 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7739 life_analysis and schedule_insns.
7740 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7741 life_analysis.
7742 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7743 dbr_schedule.
7744 * config/mips/mips.c (mips_reorg): Ditto.
7745 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7746 schedule_ebbs.
7748 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7750 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7751 (s390_mangle_fundamental_type): New.
7752 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7753 Define.
7755 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7756 (alpha_mangle_fundamental_type): New.
7757 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7758 Define.
7760 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7761 Define.
7762 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7763 Define.
7764 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7765 (sparc_mangle_fundamental_type): New.
7767 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7769 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7770 (s390x-*-linux*): Likewise.
7771 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7772 * config/s390/t-linux: New file.
7774 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7776 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7777 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7779 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7781 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7782 (ANTIC_SAFE_LOADS): New macro.
7783 (find_or_generate_expression): Add prototype.
7784 (set_contains_value): Allow null set for sake of not always having
7785 to allocate ANTIC_SAFE_LOADS.
7786 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7787 Allow COMPONENT_REF too.
7788 (valid_in_set): Allow COMPONENT_REF.
7789 Check ANTIC_SAFE_LOADS too.
7790 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7791 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7792 rename.
7793 (can_PRE_operation): Add COMPONENT_REF.
7794 (create_component_ref_by_pieces): New function.
7795 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7796 (insert_aux): Move AGGREGATE_TYPE_P check here.
7797 (compute_avail): Set bb local stmt uids.
7798 (pass_pre): Use TODO_update_ssa_only_virtuals.
7800 2006-02-06 Ben Elliston <bje@au.ibm.com>
7802 * configure.ac: Unconditionally disable decimal float by default.
7803 * configure: Regenerate.
7805 2006-02-06 Ben Elliston <bje@au.ibm.com>
7807 * read-rtl.c (read_name): Terminate reading on EOF.
7809 2006-02-06 Ben Elliston <bje@au.ibm.com>
7811 * dfp.c (decimal_real_arithmetic): Change second argument type
7812 from int to enum tree_code. Do not always return true, but now
7813 return result of any call to decimal_do helper functions.
7814 * dfp.h (decimal_real_arithmetic): Update prototype.
7816 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7818 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7820 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7822 PR tree-opt/25251
7823 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7824 forced labels.
7826 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7828 * tree-vrp.c (cfg_loops): Removed.
7829 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7830 Use current_loops instead of cfg_loops. Pass flags to
7831 loop_optimizer_init.
7832 * cfgloopmanip.c (fix_loop_structure): Update only available
7833 information.
7834 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7835 loop_optimizer_init.
7836 * modulo-sched.c (build_loops_structure): Removed.
7837 (sms_schedule): Use loop_optimizer_init.
7838 * loop-init.c (loop_optimizer_init): Use flags to determine
7839 which properties of loops to prepare.
7840 (rtl_loop_init): Pass flags to loop_optimizer_init.
7841 * tree-ssa-sink.c (execute_sink_code): Ditto.
7842 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7843 * tree-ssa-pre.c (init_pre): Ditto.
7844 * cfgloop.h (LOOPS_NORMAL): New.
7845 (loop_optimizer_init): Declaration changed.
7847 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7849 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7850 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7851 pa/t-pa.
7852 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7853 pa/t-pa.
7854 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7855 pa/x-ada.
7856 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7857 * pa/t-pa64: Delete quadlib.c rule.
7858 * pa/x-ada: Revert last change.
7859 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7861 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7863 PR rtl-optimization/26087
7864 * rtlanal.c (canonicalize_condition): Do not cross basic block
7865 boundaries.
7867 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7869 PR debug/24444
7870 * config/ia64/ia64.c: Include debug.h.
7871 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7872 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7873 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7874 (process_epilogue, process_set, process_for_unwind_directive):
7875 Output unwind info only if requested. Add CFA info if requested.
7876 Add new arguments as needed. Adjust callers.
7877 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7878 incorrect default.
7879 (DWARF2_FRAME_INFO): Define to zero.
7880 * config/ia64/unwind-ia64.c: Remove code that compensated for
7881 the CFA offset error fixed above.
7882 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7883 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7884 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7885 -funwind-tables and -fexceptions to enable frame info.
7886 (dwarf2out_frame_init): Define initial CFA even if
7887 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7888 DWARF2_UNWIND_INFO is nonzero, not just defined.
7889 (dwarf2out_frame_finish): Output non-EH call frame info only
7890 if DWARF2_FRAME_INFO is nonzero.
7891 (convert_cfa_to_loc_list,
7892 compute_frame_pointer_to_cfa_displacement): Define even if
7893 unwind info is not supported.
7894 (gen_subprogram_die): Use the above unconditionally. Remove
7895 legacy alternate code.
7896 * toplev.c (compile_file): Compile in call to
7897 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7898 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7900 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7901 Jakub Jelinek <jakub@redhat.com>
7903 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7904 IBM extended float format long double as "g" on powerpc*-linux.
7906 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7908 PR target/25926
7909 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7910 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7912 2006-02-03 Jason Merrill <jason@redhat.com>
7914 PR c++/25979
7915 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7917 PR middle-end/25977
7918 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7919 on the return slot if it's an NRV.
7921 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7923 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7924 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7925 rewrite_use): Do not handle USE_OUTER.
7926 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7927 add_iv_outer_candidates, may_replace_final_value,
7928 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7929 (find_interesting_uses_op): Functionality of
7930 find_interesting_uses_outer_or_nonlin moved here.
7931 (find_interesting_uses_outside): Use find_interesting_uses_op.
7933 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7935 PR target/25960
7936 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7938 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7939 Ulrich Weigand <uweigand@de.ibm.com>
7941 PR target/25864
7942 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7943 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7944 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7945 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7946 and dxr fields.
7947 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7948 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7949 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7950 Define secondary reloads for TFmode moves.
7951 (constant_modes): Add TFmode.
7952 (NR_C_MODES): Set to 8.
7953 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7954 builtin define.
7955 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7956 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7957 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7958 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7959 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7960 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7961 (FPR mode macro): Add TFmode.
7962 (DSF mode macro): New.
7963 (<de>, <dee> mode attributes): Removed.
7964 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7965 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7966 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7967 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7968 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7969 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7970 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7971 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7972 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7973 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7974 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7975 "*negabs<mode>2", "sqrt<mode>2"):
7976 Changed <de> to <xde>. R constraint replaced by <Rf>.
7977 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7978 <Rf>.
7979 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7980 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7981 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7982 splitters.
7983 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7984 "extenddftf2", "extendsftf2"): New expanders.
7985 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7986 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7987 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7988 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7989 New options.
7990 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7991 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7992 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7993 __floatditf): Add a GCC_4.1.0 symbol version tag.
7994 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7995 the new options.
7997 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7999 PR target/25377
8000 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8001 Use targetm.binds_local_p instead of TREE_PUBLIC.
8003 2006-02-02 Roger Sayle <roger@eyesopen.com>
8005 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8006 on INTEGER_TYPEs to indicate that it denotes a character type.
8007 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8008 signed_char_type_node, unsigned_char_type_node and char_type_node.
8009 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8010 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8011 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8013 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8014 Daniel Berlin <dberlin@dberlin.org>
8016 * tree-tailcall.c (arg_needs_copy_p): New function.
8017 (eliminate_tail_call): Use arg_needs_copy_p.
8018 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8019 (add_virtual_phis): New function.
8021 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8023 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8024 #ignore instead of #scratch for %g7 .register directive.
8026 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8028 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8029 object files.
8031 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8033 * flow.c (calculate_global_regs_live): Assert that there aren't any
8034 EDGE_FAKE edges.
8036 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8038 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8039 what its name says.
8040 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8041 bsi_after_labels iterator.
8042 * tree-if-conv.c (find_phi_replacement_condition,
8043 replace_phi_with_cond_modify_expr): Likewise.
8044 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8045 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8047 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8049 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8051 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8053 PR 25990
8054 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8055 array after growing it.
8057 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8059 PR middle-end/24901
8060 * fold-const.c (fold_checksum_tree): Change type of buf.
8062 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8064 * reload.c (push_secondary_reload): Initialize t_icode.
8066 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8068 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8069 -msoft-float -mlong-double-128 only issue a warning, but don't
8070 swich to DFmode long double.
8072 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8074 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8075 has a constant equivalent, iterate over equivalents for arg0,
8076 calling simplify_relational_operation and if there's a result
8077 cheaper than X, apply fold_rtx and return the result.
8079 2006-02-01 Jan Hubicka <jh@suse.cz>
8081 * opts.c (no_unit_at_a_time_default): New global variable.
8082 (decode_options): Use it.
8083 * opts.h (no_unit_at_a_time_default): Declare.
8085 2006-02-01 Paul Brook <paul@codesourcery.com>
8087 * function.c (assign_parm_setup_reg): Use function argument promotion
8088 rules.
8089 * expr.c (expand_expr_real_1): Use function argument promotion rules
8090 for PARM_DECLs.
8092 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8094 * gcc.c (process_command): Change j to 'unsigned int'.
8096 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8098 PR middle-end/26001
8099 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8100 Use the corrected index for the character
8101 out of the string constant.
8103 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8105 * mode-switching.c (optimize_mode_switching): Fix size
8106 allocated for bb_info[n_entities].
8108 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8110 * gcc.c (main): Correct type that is allocated for
8111 explicit_link_files.
8113 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8115 * config/s390/s390.c (init_alignment_context): Set
8116 ALIAS_SET_MEMORY_BARRIER on the MEM.
8117 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8119 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8121 PR middle-end/25933
8122 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8123 dom_bbs pointer.
8124 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8125 call to tpa_init.
8127 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8129 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8130 * regrename.c: Ditto.
8131 * tree-ssa-loop-im.c: Ditto.
8132 * tree-dump.c: Ditto.
8133 * tree-complex.c: Ditto.
8134 * genrecog.c: Ditto.
8135 * tree-ssa-threadupdate.c: Ditto.
8136 * tracer.c: Ditto.
8137 * java/class.c: Ditto.
8138 * java/jcf-parse.c: Ditto.
8139 * java/resource.c: Ditto.
8140 * java/except.c: Ditto.
8141 * java/jvspec.c: Ditto.
8142 * java/jcf-write.c: Ditto.
8143 * java/jcf-path.c: Ditto.
8144 * java/gjavah.c: Ditto.
8145 * java/zextract.c: Ditto.
8146 * java/jcf-io.c: Ditto.
8147 * java/jcf.h: Ditto.
8148 * java/buffer.c: Ditto.
8149 * java/lang.c: Ditto.
8150 * java/parse-scan.y: Ditto.
8151 * java/lex.c: Ditto.
8152 * java/lex.h: Ditto.
8153 * cfgloopmanip.c: Ditto.
8154 * postreload-gcse.c: Ditto.
8155 * tree-ssa-loop-manip.c: Ditto.
8156 * postreload.c: Ditto.
8157 * tree-ssa-loop-ch.c: Ditto.
8158 * loop.c: Ditto.
8159 * ipa-cp.c: Ditto.
8160 * cppspec.c: Ditto.
8161 * diagnostic.c: Ditto.
8162 * final.c: Ditto.
8163 * genoutput.c: Ditto.
8164 * gcc.c: Ditto.
8165 * cfghooks.c: Ditto.
8166 * cfgloopanal.c: Ditto.
8167 * objc/objc-act.c: Ditto.
8168 * gcov.c: Ditto.
8169 * genextract.c: Ditto.
8170 * genautomata.c: Ditto.
8171 * pretty-print.c: Ditto.
8172 * genemit.c: Ditto.
8173 * cgraphunit.c: Ditto.
8174 * flow.c: Ditto.
8175 * df-scan.c: Ditto.
8176 * haifa-sched.c: Ditto.
8177 * dominance.c: Ditto.
8178 * dbxout.c: Ditto.
8179 * tree-ssa-loop-ivopts.c: Ditto.
8180 * df-core.c: Ditto.
8181 * mode-switching.c: Ditto.
8182 * modulo-sched.c: Ditto.
8183 * graph.c: Ditto.
8184 * ipa-pure-const.c: Ditto.
8185 * cse.c: Ditto.
8186 * fix-header.c: Ditto.
8187 * web.c: Ditto.
8188 * tree-stdarg.c: Ditto.
8189 * ipa-utils.c: Ditto.
8190 * loop-init.c: Ditto.
8191 * ipa-inline.c: Ditto.
8192 * cfganal.c: Ditto.
8193 * global.c: Ditto.
8194 * alloc-pool.c: Ditto.
8195 * dwarf2out.c: Ditto.
8196 * opts.c: Ditto.
8197 * genattrtab.c: Ditto.
8198 * tree-ssa-loop-ivcanon.c: Ditto.
8199 * predict.c: Ditto.
8200 * timevar.c: Ditto.
8201 * lcm.c: Ditto.
8202 * fortran/gfortranspec.c: Ditto.
8203 * regmove.c: Ditto.
8204 * local-alloc.c: Ditto.
8205 * langhooks.c: Ditto.
8206 * function.c: Ditto.
8207 * tree-vectorizer.c: Ditto.
8208 * gcse.c: Ditto.
8209 * ipa-type-escape.c: Ditto.
8210 * alias.c: Ditto.
8211 * tree-if-conv.c: Ditto.
8212 * profile.c: Ditto.
8213 * ipa.c: Ditto.
8214 * tree-data-ref.c: Ditto.
8215 * loop-unroll.c: Ditto.
8216 * treelang/treetree.c: Ditto.
8217 * calls.c: Ditto.
8218 * bt-load.c: Ditto.
8219 * ggc-common.c: Ditto.
8220 * except.c: Ditto.
8221 * coverage.c: Ditto.
8222 * cselib.c: Ditto.
8223 * tree-cfgcleanup.c: Ditto.
8224 * tree-ssa-pre.c: Ditto.
8225 * cfgcleanup.c: Ditto.
8226 * loop-invariant.c: Ditto.
8227 * loop-iv.c: Ditto.
8228 * ipa-prop.c: Ditto.
8229 * print-tree.c: Ditto.
8230 * conflict.c: Ditto.
8231 * ggc-page.c: Ditto.
8232 * sched-deps.c: Ditto.
8233 * regclass.c: Ditto.
8234 * tree-object-size.c: Ditto.
8235 * combine.c: Ditto.
8236 * bb-reorder.c: Ditto.
8237 * resource.c: Ditto.
8238 * var-tracking.c: Ditto.
8239 * cfgloop.c: Ditto.
8240 * df-problems.c: Ditto.
8241 * reg-stack.c: Ditto.
8242 * tlink.c: Ditto.
8243 * gccspec.c: Ditto.
8244 * sched-rgn.c: Ditto.
8245 * tree-ssa-structalias.c: Ditto.
8246 * tree-ssa-reassoc.c: Ditto.
8247 * config/darwin-c.c: Ditto.
8248 * config/darwin.c: Ditto.
8249 * config/arm/arm.c: Ditto.
8250 * cfgrtl.c: Ditto.
8251 * collect2.c: Ditto.
8252 * reload1.c: Ditto.
8254 2006-01-31 Nicolas Pitre <nico@cam.org>
8256 * arm.md (smaxsi3): Make aware of smax_m1.
8257 (smax_m1): New.
8259 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8261 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8263 2006-01-31 Richard Guenther <rguenther@suse.de>
8265 * doc/invoke.texi (-msselibm): Document.
8266 * target.h (expand_library_builtin): New target hook.
8267 * builtins.c (expand_builtin): Use expand_library_builtin.
8268 (default_expand_library_builtin): New function.
8269 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8270 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8271 (link_gcc_math_spec): Declare.
8272 (static_specs): Add link_gcc_math_spec.
8273 * expr.h (default_expand_library_builtin): Declare.
8274 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8275 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8276 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8277 * config/i386/i386.opt (msselibm): New target option.
8278 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8279 (ix86_init_sse_abi_builtins): New function.
8280 (ix86_expand_library_builtin): Likewise.
8281 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8282 (override_options): Handle error conditions wrt -msselibm.
8283 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8284 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8285 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8286 builtins.
8288 2006-01-31 Richard Guenther <rguenther@suse.de>
8289 Paolo Bonzini <bonzini@gnu.org>
8291 * doc/install.texi (--disable-libgcc-math): Document.
8293 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8295 * expr.h (expand_normal): new inline function.
8296 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8297 * dojump.c: use it.
8298 * dwarf2out.c: use it.
8299 * expr.c: use it.
8300 * calls.c: use it.
8301 * expmed.c: use it.
8302 * except.c: use it.
8303 * config/sparc/sparc.c: use it.
8304 * config/i386/i386.c: use it.
8305 * config/rs6000/rs6000.c: use it.
8306 * config/arm/arm.c: use it.
8307 * config/mips/mips.c: use it.
8308 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8310 2006-01-30 Roger Sayle <roger@eyesopen.com>
8312 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8313 argv to the appropriate type.
8315 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8317 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8318 unreachable code.
8320 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8322 PR target/26018
8323 * config/s390/s390.c (struct machine_function): New flag
8324 decomposed_literal_pool_addresses_ok_p.
8325 (s390_reorg): Set it before final stage of literal pool transforms.
8326 (s390_decompose_address): Only accept displacements of the form
8327 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8329 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8331 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8332 the comparison routine return.
8334 2006-01-30 Michael Matz <matz@suse.de>
8336 * global.c (find_reg): Only evict for global regs.
8337 Take n_refs into account and dump more info.
8339 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8341 PR target/14798:
8342 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8343 (pragma_trap, pragma_nosave_low_regs): Likewise.
8344 (current_function_anonymous_args): Likewise.
8345 (sh_deferred_function_attributes): New variable.
8346 (sh_deferred_function_attributes_tail): Likewise.
8347 (print_operand): For '@', look up trap_exit attribute.
8348 (calc_live_regs): Look up trapa_handler attribute. For trapa
8349 handlers, save/restore fpscr, but don't do any other
8350 interrupt-specific saves.
8351 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8352 Fix check for partially saved registers to check for SHmedia.
8353 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8354 (sh_output_function_epilogue): Don't clear any of the removed
8355 variables.
8356 (sh_insert_attributes): Don't check pragma_interrupt.
8357 Insert deferred attributes. Check that interrupt attribute is
8358 present for other attributes that require its presence.
8359 (sh_attribute_table): Add new attributes trapa_handler and
8360 nosave_low_regs.
8361 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8362 Don't check for pragma_interrupt. Don't store argument.
8363 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8364 (sh_deferred_function_attributes): Declare.
8365 (sh_deferred_function_attributes_tail): Likewise.
8366 * sh.md (sp_switch_1): Add operand. Change generator caller.
8367 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8368 (*return_i): Don't use when trap_exit attribute is in effect.
8369 (*return_trapa): New insn pattern.
8370 * sh-c.c: New file.
8371 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8372 setting c_target_objs and cxx_target_objs.
8373 * t-sh: Add rule for sh-c.o.
8375 2006-01-30 Richard Guenther <rguenther@suse.de>
8377 PR c++/23372
8378 * gimplify.c (gimplify_target_expr): Handle easy cases
8379 without creating a temporary.
8381 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8383 * vec.h (safe_grow): Remove duplicated line.
8385 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8387 PR 25874
8388 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8389 (expand_omp): ... here.
8390 (expand_omp_parallel): Only remove barriers for combined
8391 parallel+workshare constructs.
8393 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8395 Revert
8397 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8398 * tree.c (build_qualified_type): Chain the new type to the original
8399 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8400 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8401 (build_pointer_type_for_mode): Only return unqualified types.
8402 (build_reference_type_for_mode): Likewise.
8404 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8406 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8407 * Makefile.in (CXX_COMPAT_WARN): Define.
8408 * configure: Regenerate.
8410 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8412 PR tree-opt/25911
8413 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8414 to an if check.
8416 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8418 * toplev.c: Fix thinko.
8420 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8421 Marcin Dalecki <martin@dalecki.de>
8423 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8424 (push_srcloc): Use XNEW.
8425 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8427 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8429 * df-core.c (df_set_blocks): Deleted all variable.
8431 2006-01-28 Ian Lance Taylor <ian@airs.com>
8433 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8434 cgraph_output_pending_asms.
8436 2006-01-28 Zack Weinberg <zackw@panix.com>
8438 * c.opt: Add -W(no-)overlength-strings.
8439 * doc/invoke.texi: Document it.
8440 * c-opts.c (c_common_handle_option): -pedantic implies
8441 -Woverlength-strings, if not explicitly disabled already.
8442 (c_common_post_options): -Woverlength-strings defaults to off, and
8443 is always off for C++.
8444 * c-common.c (fix_string_type): Issue warning about strings longer
8445 than is portable only if warn_overlength_strings. Rearrange code
8446 a little for clarity.
8447 * configure.in: Check for -Wno-overlength-strings as well before
8448 enabling -pedantic in stage 1.
8449 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8450 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8452 * genconditions.c (write_header, write_one_condition)
8453 (write_conditions, write_writer): Consolidate very long strings
8454 that were broken up to fit in C89 portable limit. Don't use
8455 printf when fputs will do.
8457 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8459 * combine.c (simplify_comparison <AND>): Check
8460 TRULY_NOOP_TRUNCATION before start using a subreg.
8462 * config/mips/mips.md (*branch_zero<mode>,
8463 *branch_zero<mode>_inverted, *branch_equality<mode>,
8464 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8465 Remove mode check from comparisons.
8467 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8469 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8471 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8473 * expmed.c (const_mult_add_overflow_p): Remove.
8474 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8476 * recog.c (validate_replace_rtx_subexp): Remove.
8477 * recog.h: Remove the prototype for
8478 validate_replace_rtx_subexp.
8480 * integrate.h: Remove the prototype for
8481 copy_decl_for_inlining.
8482 * rtl.h: Remove the prototype for mark_constant_function.
8483 * tree-vectorizer.h: Remove the prototype for
8484 vect_strip_conversion.
8486 * modulo-sched.c (create_partial_schedule,
8487 free_partial_schedule, reset_partial_schedule): Make them
8488 static.
8490 * hooks.c (hook_bool_rtx_int_false): Remove.
8491 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8493 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8495 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8496 and -mlong-double-128 are incompatible.
8497 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8498 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8499 (TARGET_LIBGCC2_CFLAGS): Define.
8500 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8501 (TARGET_LIBGCC2_CFLAGS): Same.
8502 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8504 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8506 PR c/19606.
8507 * c-typeck.c (build_binary_op): Perform implicit casts of
8508 operands before shortening them.
8510 * cfgloopmanip.c (split_loop_bb): Remove.
8511 * cfgloop.h: Remove the prototype for split_loop_bb.
8513 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8514 * cfgloop.h: Remove the prototype for
8515 flow_loop_outside_edge_p.
8517 * emit-rtl.c (init_virtual_regs): Make it static.
8518 * function.h: Remove the prototype for init_virtual_regs.
8520 * recog.c (peephole2_optimize): Make it static.
8521 * recog.h: Remove the prototype for peephole2_optimize.
8523 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8525 * df-scan.c (df_record_entry_block_defs): Check if
8526 INCOMING_RETURN_ADDR_RTX is defined.
8528 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8529 Kenneth Zadeck <zadeck@naturalbridge.com>
8531 PR rtl-optimization/24762
8532 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8533 * targhooks.c (hook_void_bitmap): New hook prototype.
8534 * targhoohs.h (hook_void_bitmap): Ditto.
8535 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8536 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8537 * target.h (live_on_entry): New function pointer.
8538 * df-scan.c (df_all_hard_regs): Removed.
8539 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8540 (df_scan_free_internal): Added df->entry_block_defs.
8541 (df_scan_alloc): Ditto.
8542 (df_scan_dump): Ditto.
8543 (df_uses_record): Plumbed flag field properly thru calls.
8544 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8545 This part fixes PR24762.
8546 (df_bb_refs_record): Added code to make the frame and arg
8547 pointers live in EH blocks.
8548 (df_refs_record): Added call to df_record_entry_block_defs.
8549 (df_record_entry_block_defs): New function.
8550 * df-core.c: Added comments to describe new artifical defs.
8551 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8552 (entry_block_defs): New field in struct df.
8553 (df_all_hard_regs): Deleted.
8554 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8555 * df-problems.c (df_ru_bb_local_compute_process_def):
8556 Added code to handle artifical defs in the entry to a function.
8557 (df_ru_bb_local_compute): Ditto.
8558 (df_rd_bb_local_compute_process_def): Ditto.
8559 (df_rd_bb_local_compute): Ditto.
8560 (df_lr_bb_local_compute): Ditto.
8561 (df_ur_bb_local_compute): Ditto.
8562 (df_urec_bb_local_compute): Ditto.
8563 (df_chain_create_bb): Ditto.
8564 (df_ur_local_finalize): Removed entry.
8565 (df_urec_init): Ditto.
8566 (df_urec_local_finalize): Ditto.
8567 (df_ri_bb_compute): Added detection of last use of pseudos.
8568 * Makefile.in (df-scan.o): Updated dependencies.
8569 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8570 * config/mips/mips.c (mips_set_live_on_entry): Added.
8571 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8572 for target hook.
8573 * dce.c (marked_insn_p): Added code to handle artifical defs.
8575 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8577 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8578 intrinsic.
8579 (_mm_cvtsi128_si64): Likewise.
8580 (_mm_cvtsd_si64): Likewise.
8581 (_mm_cvttsd_si64): Likewise.
8582 (_mm_cvtsi64_sd): Likewise.
8583 (_mm_cvtsi64_si128): Likewise.
8584 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8585 (_mm_cvtsi64_m64): Likewise.
8586 (_m_to_int64): Likewise.
8587 (_mm_cvtm64_si64): Likewise.
8588 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8589 (_mm_cvttss_si64): Likewise.
8590 (_mm_cvtsi64_ss): Likewise.
8591 (_mm_cvtss_f32): Likewise.
8593 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8595 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8596 for pragma redefine_extname.
8598 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8600 PR target/25864
8601 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8602 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8603 -mno-minimal-toc to previous content.
8604 (bispecs): Remove goal.
8605 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8606 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8607 compatibility aliases on powerpc-*-*gnu*.
8608 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8609 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8610 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8611 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8612 (ldblspecs): New goal.
8613 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8614 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8615 _df_to_tf.
8616 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8617 L_sf_to_tf or L_df_to_tf is defined.
8619 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8620 Alan Modra <amodra@bigpond.net.au>
8622 PR target/25864
8623 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8624 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8625 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8626 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8627 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8628 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8629 (rs6000_override_options): Initialize rs6000_ieeequad.
8630 Initialize TFmode format to ibm_extended_format if not
8631 TARGET_IEEEQUAD.
8632 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8633 ieeelongdouble.
8634 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8635 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8636 (function_arg_advance): IBM long double passed in two FPRs, not
8637 split.
8638 (function_arg): IBM long double passed in FPRs.
8639 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8640 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8641 Only multireg GPR aligned.
8642 (rs6000_init_libfuncs): Enable IBM long double functions if not
8643 IEEEQUAD.
8644 (rs6000_generate_compare): Use IBM long double compare if not
8645 TARGET_IEEEQUAD.
8646 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8647 (TARGET_IEEEQUAD): Define.
8648 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8649 not TARGET_IEEEQUAD.
8650 * config/rs6000/rs6000.md: Enable TFmode patterns if
8651 !TARGET_IEEEQUAD.
8652 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8653 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8654 and -mlong-double-128 are incompatible.
8655 * doc/invoke.texi (-mabi): Collect options together. Add
8656 ibmlongdouble and ieeelongdouble.
8658 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8660 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8661 opaque type.
8662 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8663 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8664 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8665 * rtl.h (rtunion_def): Remove rt_ptr.
8666 (X0PTR): Delete.
8667 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8668 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8669 * config/i386/winnt.c (i386_pe_mark_dllexport)
8670 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8672 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8674 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8676 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8678 PR other/24829
8679 PR target/24831
8680 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8681 pthread_key_delete. From John David Anglin. gthrw-ify
8682 pthread_getunique_np only if it it's not a macro. Delete
8683 UNUSED macro.
8684 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8685 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8686 __gthread_objc_condition_signal, __gthread_key_delete): Add
8687 "__attribute__ ((__unused__))" to unused arguments.
8688 (__gthread_recursive_mutex_init_function): Add missing return.
8689 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8690 gthr-posix95.h: Use macro-based approach for name redirection
8691 on targets missing weakref.
8693 2006-01-26 Zack Weinberg <zackw@panix.com>
8695 * genconditions.c (write_header): In generated code, #ifdef out
8696 all includes and fake declarations, except includes of bconfig.h
8697 and system.h, unless GCC_VERSION >= 3001. Do not include
8698 gensupport.h in any case.
8699 (write_conditions): Generate a definition of struct c_test. Add
8700 a comment to the generated #endif.
8701 (write_one_condition): Escape backslashes in string too.
8702 (write_writer): Generated code must escape backslashes and quote
8703 marks (but not newlines) in the strings it writes.
8704 * Makefile.in (build/gencondmd.o): Update dependencies.
8706 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8708 PR target/25961
8709 * Makefile.in (insn-automata.o): Add header file dependencies.
8710 * genautomata.c: Add includes.
8712 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8714 PR target/25961
8715 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8717 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8719 * configure.ac: Expect target tools paths to be passed from the toplevel
8720 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8721 AS_SET_VAR_IF.
8722 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8724 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8726 PR c/25892
8727 * c.opt (Wpointer-sign): Init to -1.
8728 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8729 OPT_pedantic, to 0 otherwise.
8730 * doc/invoke.texi: Update.
8732 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8734 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8735 constants provided by 80387 instructions in the destination mode.
8737 2006-01-26 Richard Guenther <rguenther@suse.de>
8738 Andrew Pinski <pinskia@physics.uc.edu>
8740 PR tree-opt/21470
8741 partial PR tree-opt/17064
8742 * tree-ssa-structalias.c (intra_create_variable_infos):
8743 Create heap variables for incoming parameters if
8744 flag_argument_noalias > 1.
8745 (find_what_p_points_to): Look through default defs of
8746 parameter decls.
8748 2006-01-26 Jeff Law <law@redhat.com>
8750 PR ada/25900
8751 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8752 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8753 within the VR_RANGE, use the VR_RANGE as the result, not the
8754 VR_ANTI_RANGE.
8755 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8756 bounds for the type.
8758 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8760 * tree-ssa-alias.c (maybe_create_global_var): Change
8761 subvar walking to an assertion that we don't have subvar'd variables.
8763 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8765 PR C/25861
8766 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8767 Use a new variable, inner. PARM_DECLs are always non-weak.
8769 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8771 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8772 --disable-checking.
8774 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8776 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8778 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8780 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8781 (smax_insn, smin_insn, smax_0, smin_0): New.
8783 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8785 PR target/25947
8786 * config/cris/cris.c (cris_order_for_addsi3): New function.
8787 * config/cris/cris-protos.h: Prototype it.
8788 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8789 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8790 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8791 (split for "op.S1 [rx=rx+i],ry (swapped)")
8792 (split for "op(s|u).S1 [rx=rx+i],ry")
8793 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8794 Apply cris_order_for_addsi3 when generating addsi3 insns.
8796 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8798 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8799 (TREE_BLOCK): Add call to EXPR_CHECK.
8801 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8803 PR 25886
8804 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8805 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8806 (dump_omp_clauses): ... here.
8807 (dump_generic_node): Handle OMP_CLAUSE.
8808 * tree.c (omp_clause_num_ops): New.
8809 (omp_clause_code_name): New.
8810 (tree_code_size): Handle OMP_CLAUSE.
8811 (tree_size): Likewise.
8812 (make_node): Document handling of OMP_CLAUSE.
8813 (tree_node_structure): Handle OMP_CLAUSE.
8814 (omp_clause_check_failed): New.
8815 (omp_clause_range_check_failed): New.
8816 (omp_clause_operand_check_failed): New.
8817 (build_omp_clause): New.
8818 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8819 * tree.h (enum omp_clause_code): Declare.
8820 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8821 (OMP_CLAUSE_RANGE_CHECK): Define.
8822 (OMP_CLAUSE_ELT_CHECK): Define.
8823 (omp_clause_check_failed): Declare.
8824 (omp_clause_operand_check_failed): Declare.
8825 (omp_clause_range_check_failed): Declare.
8826 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8827 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8828 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8829 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8830 (OMP_CLAUSE_IF_EXPR): Likewise.
8831 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8832 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8833 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8834 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8835 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8836 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8837 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8838 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8839 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8840 (OMP_CLAUSE_CODE): Define.
8841 (OMP_CLAUSE_SET_CODE): Define.
8842 (OMP_CLAUSE_CODE): Define.
8843 (OMP_CLAUSE_OPERAND): Define.
8844 (struct tree_omp_clause): Declare.
8845 (union tree_node): Add field 'omp_clause'.
8846 * treestruct.def (TS_OMP_CLAUSE): Define.
8847 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8848 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8849 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8850 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8851 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8852 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8853 (OMP_CLAUSE): Define.
8854 * print-tree.c (print_node): Handle OMP_CLAUSE.
8855 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8856 * c-typeck.c: Likewise.
8857 * gimplify.c: Likewise.
8858 * c-omp.c: Likewise.
8859 * tree-nested.c: Likewise.
8860 * tree-inline.c: Likewise.
8861 * c-parser.c: Likewise.
8862 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8863 clauses.
8865 2006-01-25 Roger Sayle <roger@eyesopen.com>
8867 PR rtl-optimization/25703
8868 * combine.c (try_combine): Handle zero_extract and strict_low_part
8869 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8871 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8873 * global.c: Fix comment typos.
8875 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8877 PR target/25758
8878 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8879 Use output_addr_const instead of assemble_name.
8881 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8883 * Makefile.in (sched-vis.o): Update dependencies.
8884 * haifa-sched.c (sched_finish): Clear current_sched_info.
8885 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8886 (dump_flow_info): Call it.
8887 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8888 a slim RTL dump.
8889 * basic-block.h (dump_bb_info): Declare.
8890 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8891 option, and apply options only for dump files whose TDF_RTL,
8892 TDF_TREE, or TDF_IPA bits match.
8893 * rtl.h: Declare new functions exported from sched-vis.c.
8894 * sched-vis.c: Enable also if scheduling is not used.
8895 (print_value): Print the mode of registers if not inside scheduling.
8896 (print_insn): Make it work outside the scheduler. Beautify the output
8897 a bit.
8898 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8900 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8902 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8903 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8904 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8905 depending on the value of CONSTANT_POOL_ADDRESS_P.
8906 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8907 SYMBOL_REF_DECL.
8908 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8909 rather than SYMBOL_REF_DECL.
8910 (rtx_constant_pool): Remove const_rtx_sym_htab.
8911 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8912 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8913 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8914 Remove handling of const_rtx_sym_htab.
8915 (find_pool_constant): Delete.
8916 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8917 rather than find_pool_constant.
8918 (get_pool_constant_for_function): Delete.
8919 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8920 find_pool_constant.
8921 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8922 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8923 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8924 (SYMBOL_REF_CONSTANT): New macro.
8925 (get_pool_constant_for_function): Delete.
8926 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8927 rather than SYMBOL_REF_DECL.
8928 (i386_pe_mark_dllimport): Likewise.
8929 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8930 rather than SYMBOL_REF_DECL.
8931 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8932 (machopic_indirect_call_target): Likewise.
8934 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8936 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8938 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8940 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8942 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8944 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8946 2006-01-24 David Daney <ddaney@avtrex.com>
8948 PR java/25816
8949 * configure.ac (enable_tls): New enable option.
8950 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8951 * configure: Regenerate.
8952 * doc/install.texi (--enable-tls): Document new option.
8953 (--disable-tls): Ditto.
8955 2006-01-24 Richard Henderson <rth@redehat.com>
8957 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8958 * alias.c (true_dependence): Respect it.
8959 (canon_true_dependence, write_dependence_p): Likewise.
8960 * builtins.c (get_builtin_sync_mem): Set it.
8962 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8964 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8965 efficient way.
8967 2006-01-24 DJ Delorie <dj@redhat.com>
8969 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8970 for storing constants in single-bit bitfields.
8972 2006-01-25 Ben Elliston <bje@au.ibm.com>
8974 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8976 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8978 PR tree-opt/25860
8979 * tree-ssa-pre.c (phi_translate): Return NULL
8980 for AGGREGATE_TYPE's.
8982 2006-01-24 Zack Weinberg <zackw@panix.com>
8984 * genautomata.c (process_state_for_insn_equiv_partition):
8985 Use xcalloc for insn_arcs_array.
8986 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8987 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8989 2006-01-24 Richard Henderson <rth@redhat.com>
8991 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8992 update all callers.
8994 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8996 PR rtl-optimization/25890
8997 PR rtl-optimization/25905
8998 * combine.c (expand_compound_operation, expand_field_assignment):
8999 Fail if the bitfield's final position is out of bounds.
9001 2006-01-24 Ian Lance Taylor <ian@airs.com>
9003 PR middle-end/25930
9004 * cgraphunit.c (cgraph_output_in_order): Don't clear
9005 cgraph_asm_nodes until after asm strings have been output.
9007 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9009 * fix-header.c (read_scan_file): Add new parameter imultilib when
9010 calling register_include_chains.
9012 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9014 * omp-low.c: Update documentation.
9016 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9017 Daniel Berlin <dberlin@dberlin.org>
9019 PR tree-opt/25315
9020 PR tree-opt/25857
9021 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9022 return from the function.
9024 2006-01-22 Zack Weinberg <zackw@panix.com>
9026 * rtl.def (match_code): Add second argument.
9027 * genpreds.c (write_extract_subexp): New function.
9028 (write_match_code): Add path argument. Use write_extract_subexp.
9029 (write_predicate_expr): Pass path to write_match_code.
9030 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9031 not perform a mode test.
9032 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9033 a subexpression does not constrain the top-level code set.
9034 * read-rtl.c (read_rtx_variadic): New function.
9035 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9036 * doc/md.texi: Document new notation.
9037 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9038 (cmpsi_operand): ... here, using new notation.
9040 2006-01-22 Zack Weinberg <zackw@panix.com>
9042 * varray.c: Remove GENERATOR_FILE #ifdefs.
9044 2006-01-22 Zack Weinberg <zackw@panix.com>
9046 * genautomata.c (output_reserved_units_table): Emit nothing if
9047 description->query_units_num is zero. Remove extra blank line.
9048 (output_cpu_unit_reservation_p): Short circuit
9049 if description->query_units_num is zero.
9051 2006-01-22 Zack Weinberg <zackw@panix.com>
9053 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9054 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9055 nor any of the random handful of variables that used to be necessary
9056 when this program was linked with rtlanal.o. Prune set of forward
9057 function declarations.
9058 (struct attr_desc): Remove static_p field.
9059 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9060 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9061 (attr_string): Do not read the character one past the length of
9062 the string.
9063 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9064 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9065 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9066 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9067 (make_automaton_attrs): New.
9068 (main): Do not call into genautomata. Call local gen_bypass
9069 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9070 Remove special case for insn_alts.
9071 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9072 varray.h (leftover from previous change). Prune set of forward
9073 function declarations. Remove state_alts fields from all
9074 structures. Remove state_alts_table from struct automaton.
9075 Make everything except main static. Do not maintain num_dfa_decls.
9076 Do not maintain state_alts fields of various structures.
9077 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9078 (add_arc): Remove state_alts argument. All callers updated.
9079 (output_reserved_units_table): Emit #ifdef here...
9080 (output_tables): ...not here. Don't generate state_alts tables.
9081 (expand_automata): Don't generate attributes.
9082 (write_automata): Don't generate state_alts functions.
9083 (main): New function.
9084 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9085 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9086 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9087 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9088 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9089 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9090 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9091 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9092 Delete.
9093 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9094 * genattrtab.h: Delete file.
9095 * Makefile.in (OBJS-common): Add insn-automata.o.
9096 (insn-automata.o): New rule.
9097 (simple_generated_c): Add insn-automata.c.
9098 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9099 (genprogmd): Add automata.
9100 (build/genattrtab): Needs no extra objects nor libraries.
9101 (build/genautomata): Needs build/vec.o and -lm.
9103 2006-01-22 Zack Weinberg <zackw@panix.com>
9105 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9106 (output_dfa_max_issue_rate, locked_states_num): Delete.
9107 (struct automaton): Add locked_states field.
9108 (output_dead_lock_vect): Save number of locked states in
9109 automaton->locked_states. If it is zero, don't print anything.
9110 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9111 (output_internal_dead_lock_func): Only test the dead_lock_vect
9112 for automata that have locked states.
9113 (output_statistics): Always print the number of locked states for
9114 each automaton. Calculate total number of locked states here.
9115 (write_automata): Don't call output_dfa_max_issue_rate.
9116 * genattrtab.c: Define length_unit_log as a const variable.
9117 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9118 max_insn_queue_index const.
9119 * final.c (length_unit_log): Declare const.
9120 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9122 2006-01-22 Zack Weinberg <zackw@panix.com>
9124 * genautomata.c: Include vec.h, not varray.h.
9125 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9126 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9127 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9128 VEC_* macros operating on appropriately typed vectors, or to
9129 malloced arrays when the size is known in advance. Const-ify
9130 many char* variables and function arguments. No functional changes.
9131 * Makefile.in (build/varray.o): Delete rule.
9132 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9133 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9135 2006-01-22 Zack Weinberg <zackw@panix.com>
9137 * gensupport.c: Define get_insn_name and record_insn_name here.
9138 (read_md_rtx): Call record_insn_name as appropriate.
9139 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9140 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9141 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9142 record_insn_name.
9143 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9144 (BUILD_VARRAY): Delete.
9145 (genprognormal): Rename genprogmd. Fold in all programs from
9146 genprognoprint; also attrtab.
9147 (build/genattrtab): Just mention genautomata.o and varray.o.
9148 Reorganize a bit, add comments to make the categories clearer.
9150 2006-01-22 Zack Weinberg <zackw@panix.com>
9152 * genconditions.c (condition_table, add_condition): Delete.
9153 (write_conditions): Don't emit n_insn_conditions nor
9154 insn_elision_unavailable. Issue the gcc version #ifdef here,
9155 inside the table, with no #else clause ...
9156 (write_header): ...not here.
9157 (write_writer): New function.
9158 (main): Don't initialize condition_table. Use add_c_test.
9159 Call write_writer.
9160 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9161 files on the command line.
9162 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9163 Return -1 if there is no entry in the table, don't abort.
9164 (add_c_test, traverse_c_tests): New functions.
9165 * gensupport.h (insn_elision_unavailable, insn_conditions)
9166 (n_insn_conditions): Delete declarations.
9167 (add_c_test, traverse_c_tests): Declare.
9168 * read-rtl.c: Include gensupport.h.
9169 (read_conditions): New function.
9170 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9171 (read_rtx_1): If we get EOF when we were looking for an initial
9172 open paren, return 0. Call read_conditions when appropriate.
9173 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9174 dummy-conditions.o. Eliminate references to insn-conditions.o,
9175 or change them to build/gencondmd.o, as appropriate. Remove
9176 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9177 from $(simple_generated_c). For all files remaining in those
9178 two lists, add insn-conditions.md to the generator command line.
9179 Give insn-constants.h/s-constants their own rules. Add rules
9180 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9181 (build/read-rtl.o): Depend on gensupport.h.
9182 (genprognormal): Include preds.
9183 (genprogearly): Rename genprognoprint; only difference is now that
9184 they don't link with $(BUILD_PRINT).
9185 * dummy-conditions.c: Delete.
9187 2006-01-22 Zack Weinberg <zackw@panix.com>
9189 * genextract.c: Don't include insn-config.h. Do include vec.h.
9190 Declare vectors of int, char, and locstr.
9191 (locstr): New typedef.
9192 (struct extraction): Make all array fields into bare pointers.
9193 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9194 (insn_code_number): Delete.
9195 (accum_extract): New struct.
9196 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9197 (gen_insn): Take insn_code_number as an argument. Use an
9198 accum_extract structure instead of loading data directly into
9199 a struct extraction, and having to know how big it might get.
9200 (walk_rtx): Operate entirely on an accum_extract structure.
9201 (print_path): Avoid unnecessary use of printf.
9202 (print_header): New function, split out of main. Distinguish
9203 more carefully between an unrecognizable insn and an insn that
9204 has the code number of a define_expand.
9205 (main): Pass insn_code_number to gen_insn. Call print_header
9206 only after parsing. Avoid unnecessary use of printf.
9207 * Makefile.in (build/vec.o): New rule.
9208 (build/genextract): Depend on build/vec.o.
9209 (build/genextract.o): Don't depend on insn-config.h.
9211 2006-01-22 Zack Weinberg <zackw@panix.com>
9213 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9214 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9215 practical. Eliminate per-generator-program link rules.
9217 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9219 PR middle-end/24437
9220 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9221 with a call expr to ...
9222 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9224 2006-01-23 Richard Guenther <rguenther@suse.de>
9226 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9227 before make_edge with conditional EDGE_TRUE_VALUE.
9229 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9230 Jan Hubicka <jh@suse.cz>
9231 Richard Guenther <rguenther@suse.de>
9233 PR rtl-optimization/25654
9234 * cfgexpand.c (aggregate_contains_union_type): New function.
9235 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9236 for structure variables that contain a union type.
9238 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9240 * gengtype.c (new_structure): Return the structure.
9241 (create_option): Add an extra "next" argument.
9242 (create_field): New function.
9243 (adjust_field_rtx_def): Use create_option and create_field.
9244 Remove a now-unnecessary call to find_structure.
9245 (adjust_field_tree_def): Likewise.
9246 (note_yacc_type): Remove an unnecessary call to find_structure.
9247 * gengtype.h (new_structure): Return the structure.
9248 (create_option): Add an extra argument.
9249 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9250 (option): Adjust calls to create_option.
9252 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9254 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9256 2006-01-22 Paul Brook <paul@codesourcery.com>
9257 Peter Barada <peter@the-baradas.com>
9259 * config/m68k/m68k.md: Add Coldfire FPU support.
9260 Define FP mode macro and associated attributes.
9261 Use it for float mode patterns.
9262 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9263 (LIBCALL_VALUE): Use m68k_libcall_value.
9264 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9265 (m68k_function_value): Ditto.
9266 (emit_move_sequence): Ditto.
9267 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9268 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9269 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9270 (MULTILIB_EXCEPTIONS): Ditto.
9271 * config/m68k/m68k.opt: Add mcfv4e.
9272 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9273 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9274 (m68k_output_function_prologue): Save ColdFire FPU registers.
9275 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9276 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9277 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9278 ColdFire FPU registers.
9279 (m68k_libcall_value, m68k_function_value): New functions.
9280 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9281 (LIBCALL_VALUE): Use m68k_libcall_value.
9282 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9283 (MASK_COLDFIRE): Add MASK_CFV4E.
9284 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9285 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9286 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9287 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9288 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9289 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9290 * doc/invoke.tex: Document -mcfv4e on m68k.
9292 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9294 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9295 URL.
9297 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9299 PR c++/16190
9300 * c-opts.c (c_common_handle_option): Don't include
9301 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9302 * doc/invoke.texi (C++ Dialect Options): Document that
9303 -Wnon-virtual-dtor is no longer included in -Wall.
9305 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9307 * gcov.c (print_version), gcov-dump.c (print_version),
9308 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9309 dates.
9311 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9313 * df-scan.c (problem_SCAN): Added NULL reset function.
9314 (df_scan_reset_blocks): Added code to call reset block function
9315 (df_bb_refs_delete) Fixed comment.
9316 (df_insn_refs_delete): Made tolerant of deleting non existent info
9317 for dataflow problems that need to be reset.
9318 * df-core.c (df_set_blocks): Ditto.
9319 * df.h (struct df_problem): Added reset_fun.
9320 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9321 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9322 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9323 functions to clear out all references to def-use or use-def chains.
9325 2006-01-21 Ben Elliston <bje@au.ibm.com>
9327 * varasm.c (assemble_real): Initialise data array.
9329 2006-01-20 Paul Brook <paul@codesourcery.com>
9331 Merge from csl-arm-branch.
9332 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9333 * config/arm/arm.md (movdi): Force operands[1] to a register
9334 if we have a non-register source.
9335 (*arm_movdi, *movdf_soft_insn): Require that one of the
9336 operands be a register.
9337 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9338 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9340 2006-01-20 DJ Delorie <dj@redhat.com>
9342 * varasm.c (initialize_constant_valid_p): Allow pointers
9343 initialized from integer constants of lesser precision.
9344 (output_constant): Allow non-int-sized pointer modes to be
9345 initialized from integer constants.
9347 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9349 PR libstdc++/25524
9350 * cppdefault.h (struct default_include): Add multilib flag.
9351 * cppdefault.c (cpp_include_defaults): Set it.
9352 * c.opt (-imultilib): New option.
9353 * c-opts.c (imultilib): New.
9354 (c_common_handle_option): Handle -imultilib.
9355 (c_common_post_options): Likewise.
9356 * c-incpath.c (add_standard_paths, register_include_chains):
9357 Likewise.
9358 * c-incpath.h (register_include_chains): Add extra parameter.
9359 * gcc.c (do_spec_1): Generate -imultilib option.
9360 (The Specs Language): Update %I description.
9361 (process_command): Update copyright notice.
9362 * doc/cppopts.texi (-imultilib): Document.
9363 * doc/invoke.texi (-imultilib): Include in option summary.
9364 (%I): Update specs documentation.
9366 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9368 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9370 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9372 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9373 label numbers.
9375 2006-01-20 Richard Guenther <rguenther@suse.de>
9376 Steven Bosscher <stevenb.gcc@gmail.com>
9378 PR rtl-optimization/24626
9379 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9380 EDGE_TRUE_VALUE if in RTL mode.
9382 Revert
9383 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9384 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9386 2006-01-20 Dirk Mueller <dmueller@suse.com>
9388 PR c++/5520
9389 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9390 instead of a special NOP marker.
9391 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9392 NOP marker handling.
9393 * c-common.h (empty_body_warning): Add forward declaration.
9394 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9395 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9397 2006-01-20 Paul Brook <paul@codesourcery.com>
9399 * Makefile.in (lang_checks): Keep going if mkdir fails.
9401 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9403 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9404 be able to clean out basic block when not necessary.
9405 (df_scan_free): Fixed to properly delete information if df is
9406 unused before calling df_finish.
9407 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9408 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9409 or comment typos.
9410 (df_bb_refs_delete): New function.
9411 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9412 * df-core.c (df_set_blocks): Added code to properly clean out
9413 unused blocks if they are not part of the blocks to consider.
9414 Added additional null check.
9415 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9416 be able to clean out basic block when not necessary
9417 * df.h (df_free_bb_function): Ditto.
9418 (df_bb_refs_delete): New function.
9419 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9420 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9421 basic block parameter to be able to clean out basic block when not
9422 necessary.
9423 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9424 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9425 Fixed to properly delete information if df is unused before
9426 calling df_finish.
9428 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9430 PR rtl-optimization/25799
9431 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9432 Corrected confluence operator to remove bits from op2 before oring
9433 with op1 rather than removing bits from op1.
9434 (df_ru_transfer_function): Corrected test on wrong bitmap which
9435 caused infinite loop. Both of these problems were introduced in
9436 the dataflow rewrite.
9438 2006-01-19 DJ Delorie <dj@redhat.com>
9440 * reload1.c (find_reload_regs): Note the details of reload
9441 failures in the dump file.
9442 (spill_failure): Likewise.
9444 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9446 * loop-iv.c: Include df.h and hashtab.h.
9447 (enum iv_grd_result): New enum.
9448 (DF_REF_IV, DF_REF_IV_SET): New macros.
9449 (struct biv_entry): New.
9450 (df, bivs): New global variables.
9451 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9452 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9453 Removed.
9454 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9455 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9456 analyzed_for_bivness_p, record_biv): New functions.
9457 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9458 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9459 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9460 UD chains.
9461 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9462 analysed.
9463 (iv_number_of_iterations): Use new interface to iv analysis.
9464 * loop-unroll.c: Do not include varray.h.
9465 (analyze_iv_to_split_insn): Use new interface to iv
9466 analysis.
9467 * loop-unswitch.c (may_unswitch_on): Ditto.
9468 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9469 allocated.
9470 (df_bb_modify): Realloc tables to the new index.
9471 (df_find_use): New function.
9472 * df.h (df_find_use): Declare.
9473 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9474 outmode.
9475 * cfgloop.h (struct rtx_iv): Remove analysed field.
9476 (iv_get_reaching_def): Removed.
9477 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9478 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9479 (loop-iv.o): Add df.h and hashtab.h dependency.
9480 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9482 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9484 PR target/25668
9485 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9486 Double TFmode.
9487 (__floatundisf, __floatundidf): Likewise.
9488 * libgcc2.h (IS_IBM_EXTENDED): Define.
9490 2006-01-19 DJ Delorie <dj@redhat.com>
9492 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9494 2006-01-19 Paul Brook <paul@codesourcery.com>
9496 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9497 as nothrow when unwinding tables are disabled.
9499 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9501 PR testsuite/25171
9502 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9503 of bit-field" when in system header.
9505 2006-01-19 DJ Delorie <dj@redhat.com>
9507 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9508 the 16 bit shift limit of the m16c.
9510 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9512 PR target/22099
9513 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9514 * config/i386/i386.c (output_set_got): Output the label if we have one
9515 for the TARGET_DEEP_BRANCH_PREDICTION case.
9517 2006-01-19 Jan Hubicka <jh@suse.cz>
9518 H.J. Lu <hongjiu.lu@intel.com>
9519 Evandro Menezes <evandro.menezes@amd.com>
9521 * invoke.texi (generic): Document
9522 (i686) Update.
9523 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9524 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9525 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9526 (x86_use_incdec, x86_pad_returns): New variables
9527 (TARGET_CPU_DEFAULT_generic): New constant
9528 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9529 (enum processor_type): Add generic32 and generic64.
9530 * i386.md (cpu attribute): Add generic32/generic64
9531 (movhi splitter): Behave sanely when both partial_reg_dependency and
9532 partial_reg_stall are set.
9533 (K8 splitters): Enable for generic as well.
9534 * predicates.md (incdec_operand): Use TARGET_INCDEC
9535 (aligned_operand): Avoid memory mismatch stalls.
9536 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9537 * ppro.md: Enable for generic32
9538 * i386.c (generic64_cost, generic32_cost): New.
9539 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9540 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9541 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9542 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9543 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9544 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9545 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9546 x86_accumulate_outgoing_args, x86_prologue_using_move,
9547 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9548 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9549 Enable for generic.
9550 (x86_use_incdec, x86_pad_returns): New.
9551 (override_options): Add generic32 and generic64, translate "generic"
9552 to generic32/generic64 and "i686" to "generic32", refuse
9553 "generic32"/"generic64" as arch target.
9554 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9555 (ix86_reorg): Honor PAD_RETURNS.
9557 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9559 * tree-pretty-print.c (dump_generic_node): Handle
9560 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9561 * cgraph.c (cgraph_expand_queue): Rename from
9562 cgraph_analyze_queue. Update all users.
9563 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9564 cgraph_expand_queue.
9565 (cgraph_expand_all_functions): Likewise.
9566 (cgraph_finalize_pending_functions): Remove. Update callers.
9568 * tree.h (OMP_DIRECTIVE_P): Define.
9569 (OMP_PARALLEL_FN): Define.
9570 (OMP_PARALLEL_DATA_ARG): Define.
9571 (OMP_SECTIONS_SECTIONS): Define.
9572 * tree-pass.h (pass_expand_omp): Declare.
9573 * omp-low.c (struct omp_region): Declare.
9574 (struct omp_context): Remove fields 'parallel_type',
9575 'parallel_start_ix' and 'parallel_start_additional_args'.
9576 Update all users.
9577 (struct omp_for_data): Rename from struct expand_omp_for_data.
9578 (omp_regions): New static variable.
9579 (root_omp_region): New static variable.
9580 (find_omp_clause): Make static.
9581 (is_in_combined_parallel_ctx): Remove.
9582 (is_combined_parallel): New.
9583 (extract_omp_for_data): Move earlier in the file.
9584 (workshare_safe_to_combine_p): New.
9585 (get_ws_args_for): New.
9586 (determine_parallel_type): Move earlier in the file.
9587 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9588 child function.
9589 (omp_copy_decl): Likewise.
9590 (create_omp_child_function): Likewise.
9591 (lookup_omp_region): New.
9592 (dump_omp_region): New.
9593 (debug_omp_region): New.
9594 (debug_all_omp_regions): New.
9595 (new_omp_region): New.
9596 (scan_omp_parallel): If parallel_nesting_level > 1, the
9597 directive is nested within another parallel directive.
9598 Set OMP_PARALLEL_FN.
9599 (scan_omp_for): Do not try to handle combined parallel+for
9600 cases.
9601 Remove FIXME comment.
9602 (scan_omp_nested): Remove.
9603 (scan_omp_1): Do not call scan_omp_nested when
9604 parallel_nesting_level is > 1.
9605 Do not change the DECL_CONTEXT of local variables found.
9606 (lookup_decl_in_outer_ctx): New.
9607 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9608 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9609 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9610 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9611 If CTX is nested, lookup VAR in the outer context when
9612 building copy assignment.
9613 (lower_send_clauses): Rename from expand_send_clauses.
9614 If CTX is nested, lookup VAR in the outer context when
9615 building copy assignments.
9616 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9617 If CTX is nested, lookup VAR in the outer context when
9618 building copy assignments.
9619 (expand_parallel_call): Rename from build_parallel_call.
9620 Handle combined parallel+workshare cases.
9621 Re-implement to emit code into the CFG.
9622 (list2chain): New.
9623 (expand_omp_parallel): Re-implement to emit code into the CFG.
9624 Call move_sese_region_to_fn to outline the sub-graph
9625 containing the parallel region.
9626 (expand_omp_for_1): Remove.
9627 (expand_omp_for_generic): Re-implement to emit code into the
9628 CFG.
9629 (expand_omp_for_static_nochunk): Likewise.
9630 (expand_omp_for_static_chunk): Likewise.
9631 (expand_omp_for): Likewise.
9632 (expand_omp_sections): Likewise.
9633 (remove_exit_barriers): New.
9634 (expand_omp_synch): New.
9635 (expand_omp): New.
9636 (build_omp_regions_1): New.
9637 (build_omp_regions): New.
9638 (execute_expand_omp): New.
9639 (gate_expand_omp): New.
9640 (pass_expand_omp): Define.
9641 (lower_omp_sections): Rename from expand_omp_sections.
9642 Set OMP_SECTIONS_SECTIONS.
9643 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9644 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9645 (lower_omp_single): Rename from expand_omp_simple.
9646 (lower_omp_master): Rename from expand_omp_master.
9647 (lower_omp_ordered): Rename from expand_omp_ordered.
9648 (lower_omp_critical): Rename from expand_omp_critical.
9649 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9650 (lower_omp_for): Re-implement.
9651 (lower_omp_parallel): Re-implement.
9652 (lower_regimplify): Rename from expand_regimplify.
9653 (lower_omp_1): Rename from expand_omp_1.
9654 If there are syntax errors in the program, replace every
9655 OpenMP directive with NOP.
9656 Call lower_omp_* instead of expand_omp_*.
9657 (lower_omp): Rename from expand_omp.
9659 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9660 * tree-gimple.h (enum omp_parallel_type): Remove.
9661 (gimple_boolify): Declare extern.
9662 (find_omp_clause, determine_parallel_type): Remove.
9664 * gimple-low.c (lower_omp_directive): New.
9665 (lower_stmt): Call it.
9666 (record_vars_into): Move from ...
9667 (record_vars): ... here.
9668 Call record_vars_into with current_function_decl.
9670 * gimplify.c (struct gimplify_ctx): Remove fields
9671 combined_pre_p and combined_ctxp. Update users.
9672 (get_formal_tmp_var): Add documentation.
9673 (gimple_boolify): Make extern.
9674 (gimplify_expr_in_ctx): Remove. Update callers.
9675 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9676 will always be a BIND_EXPR.
9677 (gimplify_expr): Handle OMP_RETURN_EXPR.
9678 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9679 (OMP_PARALLEL): Add 3 operands.
9680 (OMP_SECTIONS): Add 1 operand.
9681 (OMP_RETURN_EXPR): Define.
9683 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9684 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9685 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9686 creating a circular free list.
9687 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9689 * tree-flow.h (move_sese_region_to_fn): Declare.
9690 (record_vars_into): Declare.
9691 * tree-cfg.c (make_omp_sections_edges): New.
9692 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9693 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9694 OMP_SECTIONS and OMP_SECTION.
9695 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9696 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9697 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9698 (gather_blocks_in_sese_region): New.
9699 (struct move_stmt_d): Declare.
9700 (move_stmt_r): New.
9701 (move_block_to_fn): New.
9702 (move_sese_region_to_fn): New.
9704 * passes.c (init_optimization_passes): Schedule
9705 pass_expand_omp after pass_init_datastructures.
9707 * tree-ssa-operands.c (get_expr_operands): Handle
9708 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9709 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9711 2006-01-19 Jeff Law <law@redhat.com>
9713 * tree-vrp.c (extract_range_from_assert): Refine the result range
9714 if the variable referenced by the ASSERT_EXPR has a range and
9715 either the tentative result range or the previous range is a
9716 VR_ANTI_RANGE.
9718 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9720 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9722 2006-01-19 Jan Hubicka <jh@suse.cz>
9724 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9726 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9728 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9729 (expand_compound_operation, expand_field_assignment): Fail if the
9730 bit lengths of an extract operation are out of range.
9731 (make_extraction): Compute wanted_inner_mode based on the position
9732 and length of the extraction. Make it extraction_mode for non-constant
9733 positions, and do not modify offset in that case. When generating a
9734 new MEM, use a mode that can hold the extraction while keeping correct
9735 alignment. Remove code that supported MEMs wrapped by USEs.
9736 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9738 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9740 * config/s390/s390.md ("Y", "y"): New mode attribute.
9741 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9742 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9743 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9744 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9745 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9746 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9747 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9748 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9749 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9750 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9751 "addsi3", "subsi3"): Insn patterns removed.
9752 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9753 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9754 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9755 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9756 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9757 "*sub<mode>3_cconly2"): New insn patterns.
9758 ("addsi3", "subsi3"): New expanders.
9760 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9762 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9763 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9764 existing STMT_VINFO_VECTYPE if available.
9765 (vect_mark_relevant): Add special handling for stmts that are
9766 marked as STMT_VINFO_IN_PATTERN_P.
9767 (vect_analyze_loop): Call vect_pattern_recog.
9768 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9769 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9770 stmt_info.
9771 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9772 (vect_recog_func_ptr): New function-pointer type.
9773 * tree-vect-patterns.c: New file.
9774 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9775 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9776 (vect_pattern_recog_1): New functions.
9777 (vect_pattern_recog_funcs): New array of function pointers.
9779 * tree-vectorizer.h (ternary_op): New enum value.
9780 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9781 declaration. Revised documentation. Removed redundant dump prints.
9782 Removed redundant argument. Added support for reduction patterns.
9783 (vectorizable_reduction): Added support for reduction patterns.
9784 (vect_transform_stmt): Added support for patterns.
9786 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9787 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9788 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9789 (expand_widen_pattern_expr): New function.
9790 (init_optabs): Initialize new optabs udot_prod_optab,
9791 sdot_prod_optab.
9792 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9793 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9794 (expand_widen_pattern_expr): New function declaration.
9795 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9796 tree-codes.
9797 * tree-inline.c (estimate_num_insns_1): Added cases for new
9798 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9799 * tree-pretty-print.c (dump_generic_node): Likewise.
9800 (op_prio): Likewise.
9801 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9802 * tree-ssa-operands.c (get_expr_operands): Added case for
9803 DOT_PROD_EXPR.
9804 * tree-vect-patterns.c (widened_name_p): New function.
9805 (vect_recog_dot_prod_pattern): Added function implementation.
9806 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9807 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9808 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9809 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9811 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9812 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9813 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9814 (init_optabs): Initialize new optabs widen_ssum_optab,
9815 widen_usum_optab.
9816 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9817 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9818 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9819 use instead of type of def.
9820 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9821 function implementation.
9822 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9823 widen_ssumv8hi): New.
9825 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9826 patterns.
9828 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9830 PR c/25805
9831 * c-decl.c (add_flexible_array_elts_to_size): New function.
9832 (finish_decl): Use it.
9834 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9836 * diagnostic.h: Include options.h.
9837 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9838 dependancies for diagnostic.h.
9839 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9841 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9843 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9844 (ssa_ro_call_cache_valid): Ditto.
9845 * tree-ssa-alias.c (sort_tags_by_id): New function.
9846 (init_transitive_clobber_worklist): Ditto.
9847 (add_to_worklist): Ditto.
9848 (mark_aliases_call_clobbered): Ditto.
9849 (compute_tag_properties): Ditto.
9850 (set_initial_properties): Ditto.
9851 (compute_call_clobbered): Ditto.
9852 (compute_may_aliases): Call compute_call_clobbered and grouping.
9853 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9854 (compute_flow_insensitive_aliasing): Grouping now happens in our
9855 caller.
9856 (setup_pointers_and_addressables): Remove clobbering related code.
9857 (add_may_alias): Ditto.
9858 (replace_may_alias): Ditto.
9859 (get_nmt_for): Ditto.
9860 (create_global_var):
9861 (is_escape_site): Return an escape_type enumeration.
9862 * tree-flow-inline.h (is_call_clobbered): Global var does not
9863 imply call clobbered.
9864 (mark_call_clobbered): Take a reason for marking this. Remove
9865 marking of globalness, and cache invalidation.
9866 (clear_call_clobbered): Remove cache invalidation code.
9867 * tree-dfa.c (dump_variable): If details is on, dump the reason
9868 for escaping.
9869 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9870 variable.
9871 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9872 (struct var_ann_d): Ditto.
9873 (enum escape_type): New.
9874 (mark_call_clobbered): Adjust prototype.
9875 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9876 are never call clobbered.
9877 Record reasons for escaping.
9878 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9879 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9880 (ssa_ro_call_cache_valid): Ditto.
9881 (clobbered_v_may_defs): Ditto.
9882 (clobbered_vuses): Ditto.
9883 (ro_call_vuses): Ditto.
9884 (clobber_stats): New.
9885 (init_ssa_operands): Zero out clobber stats.
9886 (fini_ssa_operands): Print out clobber stats.
9887 (get_call_expr_operands): Pass callee fndecl to
9888 add_call_read_ops).
9889 (add_call_clobber_ops): Remove use of cache.
9890 Add use of PURE_CONST information.
9891 (add_call_read_ops): Remove use of cache.
9892 Add use of static not_read information.
9894 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9896 Introduce TLS descriptors for i386 and x86_64.
9897 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9898 (TARGET_ANY_GNU_TLS): New macro.
9899 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9900 (struct machine_function): Add tls_descriptor_call_expanded_p.
9901 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9902 (ix86_current_function_calls_tls_descriptor): Likewise.
9903 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9904 (override_options): Introduce gnu2 tls dialect.
9905 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9906 not leaves.
9907 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9908 Likewise.
9909 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9910 (ix86_init_machine_status): Initialize new field.
9911 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9912 (ix86_tls_module_base): New.
9913 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9914 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9915 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9916 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9917 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9918 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9919 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9920 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9921 * config/i386/predicates.md (tls_modbase_operand): New.
9922 (tp_or_register_operand): New.
9924 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9926 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9927 (look_for_address_of): Ditto.
9928 (ipa_init): Walk the function decls.
9929 (static_execute): Don't set readonly on FUNCTION_DECL's.
9931 2006-01-18 Roger Sayle <roger@eyesopen.com>
9933 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9934 for shifts where the source and destination registers are different.
9936 2006-01-18 Paul Brook <paul@codesourcery.com>
9938 Merge from csl-arm-branch.
9939 2005-03-14 Julian Brown <julian@codesourcery.com>
9940 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9941 (aeabi_llsl): Likewise.
9942 (ashrdi3): Likewise.
9943 (aeabi_lasr): Likewise.
9944 (lshrdi3): Likewise.
9945 (aeabi_llsr): Likewise.
9946 2005-03-10 Julian Brown <julian@codesourcery.com>
9947 * config.gcc: Disable shared libgcc for SymbianOS.
9948 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9950 2006-01-18 DJ Delorie <dj@redhat.com>
9952 * c-pragma.c (handle_pragma_diagnostic): New.
9953 (init_pragma): Register it.
9954 * doc/extend.texi: Document it.
9956 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9957 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9958 (diagnostic_context): Add classify_diagnostic[].
9959 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9960 as errors if they're overridden to DK_WARNING.
9961 (diagnostic_initialize): Initialize classify_diagnostic[].
9962 (diagnostic_set_kind_override): New.
9963 (diagnostic_report_diagnostic): Check for kind changes.
9964 * opts.c (common_handle_option): Take lang_mask. Update callers.
9965 Handle OPT_Werror_.
9966 * common.opt (Werror=): New.
9967 * doc/invoke.texi: Document -Werror=*
9969 2006-01-18 Jeff Law <law@redhat.com>
9971 * tree-vrp.c (test_for_singularity): Correct test for new
9972 min limit. Use operand_equal_p rather than pointer equality
9973 for testing if new min/max values are equal.
9975 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9976 using range information until after propagation and folding.
9978 2006-01-18 Richard Henderson <rth@redhat.com>
9979 Aldy Hernandez <aldyh@redhat.com>
9980 Jakub Jelinek <jakub@redhat.com>
9981 Diego Novillo <dnovillo@redhat.com>
9983 * omp-low.c: New file.
9984 * c-omp.c: New file.
9986 2006-01-18 Richard Henderson <rth@redhat.com>
9987 Jakub Jelinek <jakub@redhat.com>
9988 Diego Novillo <dnovillo@redhat.com>
9990 * doc/invoke.texi: Document -fopenmp.
9991 * tree-dump.h (debug_function): Declare.
9992 * hooks.c (hook_bool_tree_bool_false): New function.
9993 (hook_tree_tree_null): Remove.
9994 (hook_tree_tree_tree_null): New.
9995 * hooks.h: Update to match.
9996 * tree-pretty-print.c (debug_tree_chain): New.
9997 (print_generic_expr): Handle TDF_CHAIN.
9998 (dump_generic_node): Handle BLOCK.
9999 Do not abort with incomplete SWITCH_EXPRs.
10000 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10001 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10002 print space after directive name.
10003 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10004 Handle OMP_MASTER and OMP_ORDERED.
10005 Handle printing of OMP_BODY just in one place, goto
10006 dump_omp_body in the rest of OMP_* nodes that have
10007 OMP_BODY.
10008 Don't handle clause nodes here. Update omp statements to
10009 use dump_omp_clauses.
10010 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10011 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10012 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10013 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10014 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10015 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10016 Adjust output for GOMP_PARALLEL.
10017 (dump_omp_clauses): New.
10018 (print_declaration): Dump DECL_VALUE_EXPR.
10019 (op_symbol_1): Split out of op_symbol.
10020 (dumping_stmts): Remove. Update all users.
10021 * cgraph.c (cgraph_analyze_queue): New.
10022 (cgraph_add_new_function): New.
10023 * cgraph.h (cgraph_analyze_queue): Declare.
10024 (cgraph_add_new_function): Declare.
10025 (cgraph_lower_function): Remove.
10026 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10027 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10028 and TYPE_P nodes in its default clause.
10029 (empty_body_p): New.
10030 (tree_range_check_failed): New.
10031 (build5_stat): New.
10032 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10033 OMP_CLAUSE_REDUCTION_MERGE,
10034 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10035 OMP_CLAUSE_PRIVATE_DEBUG,
10036 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10037 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10038 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10039 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10040 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10041 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10042 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10043 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10044 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10045 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10046 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10047 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10048 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10049 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10050 (TREE_RANGE_CHECK): New.
10051 (empty_body_p): Declare.
10052 (enum omp_clause_default_kind): New.
10053 (build_string_literal): Declare.
10054 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10055 (build5_stat, build5): Declare.
10056 * tree-pass.h (TDF_CHAIN): Define.
10057 * tree-pass.h (PROP_gimple_lomp): Define.
10058 (pass_lower_omp): Declare.
10059 * diagnostic.h (debug_tree_chain): Declare.
10060 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10061 mode_for_size.
10062 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10063 * builtins.c (build_string_literal): Make extern.
10064 * gcc.c (include_spec_function): New.
10065 (static_spec_functions): Add it.
10066 (main): Move load of libgomp.spec ...
10067 (LINK_COMMAND_SPEC): ... here.
10068 (link_gomp_spec): New.
10069 (static_specs): Include it.
10070 (LINK_COMMAND_SPEC): Add link_gomp.
10071 (GOMP_SELF_SPECS): New.
10072 (driver_self_specs): Include it.
10073 (switch_matches): Don't mark inline.
10074 (main): Load libgomp.spec.
10075 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10076 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10077 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10078 * tree-gimple.h (enum omp_parallel): Declare.
10079 (determine_parallel_type): Declare.
10080 (omp_firstprivatize_variable): Declare.
10081 (omp_reduction_init): Declare.
10082 (diagnose_omp_structured_block_errors): Declare.
10083 (struct walk_stmt_info): Add want_return_expr.
10084 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10085 (find_omp_clause): Declare.
10086 (insert_field_into_struct): Declare.
10087 (struct walk_stmt_info): Move from tree-nested.c
10088 (walk_stmts): Declare.
10089 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10090 to 200505.
10091 * cgraphunit.c (cgraph_lower_function): Make static.
10092 (cgraph_finalize_pending_functions): New.
10093 (cgraph_finalize_function): Call it.
10094 (cgraph_finalize_compilation_unit): Likewise.
10095 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10096 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10097 (BT_FN_UINT_UINT): New.
10098 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10099 DEF_FUNCTION_TYPE_VAR_4): Document.
10100 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10101 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10102 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10103 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10104 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10105 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10106 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10107 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10108 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10109 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10110 into separate files.
10111 (DEF_GOMP_BUILTIN): New.
10112 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10113 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10114 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10115 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10116 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10117 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10118 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10119 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10120 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10121 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10122 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10123 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10124 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10125 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10126 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10127 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10128 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10129 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10130 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10131 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10132 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10133 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10134 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10135 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10136 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10137 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10138 * sync-builtins.def: New file, moved from builtins.def.
10139 * omp-builtins.def: New file, moved from builtins.def.
10140 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10141 * gimple-low.c (lower_function_body): Clear data.
10142 (lower_stmt): Do not handle COMPOUND_EXPR.
10143 Remove call to print_node_brief.
10144 * c-tree.h (c_finish_omp_clauses): New prototype.
10145 (C_DECL_THREADPRIVATE_P): Define.
10146 (lookup_name_no_remap, c_omp_remap_private): Remove
10147 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10148 (check_for_loop_decls): Update decl.
10149 (lookup_name_no_remap, c_omp_remap_private): Declare.
10150 (build_indirect_ref, build_modify_expr, pushdecl,
10151 pushdecl_top_level): Move to c-common.h.
10152 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10153 before the switch, but just in the 2 places that need it.
10154 * c-decl.c (diagnose_mismatched_decls): Do not check for
10155 mismatched thread-local attributes when OLDDECL is marked
10156 threadprivate and NEWDECL has no thread-local attributes.
10157 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10158 (c_gimple_diagnostics_recursively): Rename from
10159 c_warn_unused_result_recursively. Invoke
10160 diagnose_omp_structured_block_errors.
10161 (check_for_loop_decls): Return a singular decl found.
10162 * langhooks.c (lhd_omp_predetermined_sharing): Return
10163 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10164 (lhd_omp_firstprivatize_type_sizes): New.
10165 (lhd_omp_assignment): New.
10166 (lhd_omp_predetermined_sharing): New.
10167 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10168 (struct lang_hooks_for_types): Add
10169 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10170 omp_predetermined_sharing, omp_disregard_value_expr,
10171 omp_private_debug_clause, omp_clause_default_ctor,
10172 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10173 (c_finish_omp_clauses): New.
10174 (c_finish_bc_stmt): Diagnose break within omp for.
10175 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10176 (build_unary_op): Return error_mark after reporting
10177 a readonly_error.
10178 (build_modify_expr): Likewise.
10179 * gimplify.c: Include optabs.h and pointer-set.h.
10180 (enum gimplify_omp_var_data): Declare.
10181 (struct gimplify_omp_ctx): Declare.
10182 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10183 and combined_ctxp.
10184 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10185 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10186 (splay_tree_compare_decl_uid): New.
10187 (new_omp_context): New.
10188 (delete_omp_context): New.
10189 (gimple_add_tmp_var): Call omp_add_variable.
10190 (gimplify_bind_expr): Likewise.
10191 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10192 true, disregard DECL_VALUE_EXPR on the decl if any.
10193 (gimplify_expr_in_ctx): New.
10194 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10195 omp_add_variable, omp_notice_variable, omp_is_private
10196 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10197 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10198 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10199 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10200 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10201 gimplify_omp_atomic): New.
10202 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10203 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10204 OMP_CRITICAL and OMP_ATOMIC.
10205 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10206 * c-pragma.h (enum pragma_kind): Add
10207 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10208 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10209 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10210 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10211 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10212 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10213 PRAGMA_OMP_THREADPRIVATE.
10214 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10215 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10216 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10217 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10218 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10219 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10220 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10221 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10222 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10223 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10224 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10225 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10226 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10227 OpenMP directives.
10228 (struct nesting_info): Add field_map,
10229 suppress_expansion, debug_var_chain.
10230 (create_nesting_tree): Initialize them.
10231 (lookup_field_for_decl): Use field_map.
10232 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10233 (convert_local_omp_clauses): New.
10234 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10235 (walk_body): Split out of walk_function.
10236 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10237 (convert_nonlocal_reference): Handle omp statements.
10238 (convert_local_reference): Likewise.
10239 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10240 (unnest_nesting_tree): New.
10241 (lower_nested_functions): Call it.
10242 (insert_field_into_struct): Make extern.
10243 (struct walk_stmt_info): Move to tree-gimple.h.
10244 (walk_stmts): Make extern.
10245 * omp-builtins.def: New file.
10246 * tree-iterator.c (expr_only): Clarify comment.
10247 * c-common.h (pushdecl_top_level, pushdecl,
10248 build_modify_expr, build_indirect_ref,
10249 c_finish_omp_master, c_finish_omp_critical,
10250 c_finish_omp_ordered, c_finish_omp_barrier,
10251 c_finish_omp_atomic, c_finish_omp_flush,
10252 c_finish_omp_for, c_split_parallel_clauses,
10253 omp_clause_default_kind, c_omp_sharing_predetermined,
10254 c_omp_remap_decl): Declare.
10255 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10256 (OBJS-common): Add omp-low.o.
10257 (c-omp.o, omp-low.o): Add.
10258 (gimplify.o): Add dependency on $(OPTABS_H).
10259 (GTFILES): Add omp-low.c.
10260 (gt-stringpool.h): Add.
10261 * tree-cfg.c (set_bb_for_stmt): Do not update the
10262 block-to-labels map if we are currently expanding to RTL.
10263 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10264 checks.
10265 Handle IDENTIFIER_NODE.
10266 (tree_verify_flow_info): Do not ICE when emitting error
10267 messages about invalid labels.
10268 (dump_function_to_file): Reset CFUN before emitting the body
10269 of the function.
10270 (debug_function): New.
10271 * passes.c (init_optimization_passes): Schedule
10272 pass_lower_omp.
10273 * langhooks-def.h (lhd_omp_predetermined_sharing,
10274 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10275 Declare.
10276 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10277 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10278 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10279 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10280 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10281 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10282 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10283 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10284 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10285 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10286 (LANG_HOOK_DECLS): Use them.
10288 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10289 Richard Henderson <rth@redhat.com>
10290 Jakub Jelinek <jakub@redhat.com>
10291 Diego Novillo <dnovillo@redhat.com>
10293 * c-parser.c (pragma_omp_clause): Define.
10294 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10295 (c_parser_compound_statement): Likewise.
10296 (c_parser_statement): Likewise.
10297 (c_parser_pragma): Handle omp pragmas.
10298 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10299 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10300 (c_parser_omp_clause_name, check_no_duplicate_clause,
10301 c_parser_omp_variable_list,
10302 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10303 c_parser_omp_clause_copyprivate,
10304 c_parser_omp_clause_default,
10305 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10306 c_parser_omp_clause_lastprivate,
10307 c_parser_omp_clause_nowait,
10308 c_parser_omp_clause_num_threads,
10309 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10310 c_parser_omp_clause_reduction,
10311 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10312 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10313 c_parser_omp_atomic, c_parser_omp_barrier,
10314 c_parser_omp_critical, c_parser_omp_flush,
10315 c_parser_omp_for_loop, c_parser_omp_for,
10316 c_parser_omp_master, c_parser_omp_ordered,
10317 c_parser_omp_sections_scope, c_parser_omp_sections,
10318 c_parser_omp_parallel, c_parser_omp_single,
10319 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10320 * c-pragma.c (init_pragma): Do omp pragma registration here.
10321 * c.opt (fopenmp): New flag.
10323 2006-01-18 Eric Christopher <echristo@apple.com>
10325 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10326 * config/darwin.h (GOMP_SELF_SPECS): Define.
10328 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10330 * rtl.h: Remove the prototype for reg_alloc.
10332 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10334 PR target/25731
10335 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10336 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10337 sjlj and dwarf2 exception handling.
10338 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10339 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10340 * pa/pa.c (function_value): Treat complex and vector types as
10341 aggregates.
10342 (function_arg): Likewise. Only pass scalar floats in the floating
10343 point argument registers.
10344 * pa/t-slibgcc-dwarf-ver: New file.
10345 * pa/t-slibgcc-sjlj-ver: New file.
10346 * pa/t-slibgcc-elf-ver: Delete file.
10348 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10350 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10351 unlikely_test_section_p test.
10353 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10355 * mode-switching.c (optimize_mode_switching): Make it static.
10356 * basic-block.h: Remove the prototype for
10357 optimize_mode_switching.
10359 * modulo-sched.c (sms_schedule): Make it static.
10360 * rtl.h: Remove the prototype for sms_schedule.
10362 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10363 * rtl.h: Remove the prototype for gcse_after_reload_main.
10365 * reg-stack.c (reg_to_stack): Make it static.
10366 * rtl.h: Remove the prototype for reg_to_stack.
10368 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10369 Make them static.
10370 * rtl.h: Remove the prototypes for regrename_optimize and
10371 copyprop_hardreg_forward.
10373 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10375 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10376 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10377 Test against the appropriate null constant for the mode.
10378 If 'fixup_overlap' is true, swap the operands if they overlap.
10379 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10380 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10381 alpha_split_tmode_pair and adjust for above change.
10382 * config/alpha/alpha.md (movtf_internal): Adjust call to
10383 alpha_split_tfmode_pair and rely on it to swap the operands.
10384 (movti_internal): New insn and post-reload splitter.
10385 (movti): New expander.
10387 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10389 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10390 operands.
10392 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10394 * rtlanal.c (global_reg_mentioned_p_1,
10395 global_reg_mentioned_p): Remove.
10396 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10398 * flow.c (initialize_uninitialized_subregs): Make it static.
10399 * rtl.h: Remove the prototype for
10400 initialize_uninitialized_subregs.
10402 * function.c (instantiate_virtual_regs): Make it static.
10403 * function.h: Remove the prototype for
10404 instantiate_virtual_regs.
10406 * regmove.c (regmove_optimize, combine_stack_adjustments):
10407 Make them static.
10408 * rtl.h: Remove the prototypes for regmove_optimize and
10409 combine_stack_adjustments.
10411 2006-01-17 Roger Sayle <roger@eyesopen.com>
10413 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10414 (size_cost): Encode costs in bytes so that a reg-reg addition is
10415 equivalent to COSTS_N_INSNS(1).
10416 (override_options): Use the size_cost.branch_cost as the default
10417 ix86_branch_cost when optimizing for size.
10419 2006-01-18 Ben Elliston <bje@au.ibm.com>
10421 * Makefile.in (D32PBIT_FUNCS): New.
10422 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10423 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10424 D64PBIT_FUNCS and D128PBIT_FUNCS.
10425 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10426 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10427 D128PBIT are set.
10428 (decnumber_dep): Define.
10429 * doc/libgcc.texi (Decimal float library routines): New node.
10430 * config/dfp-bit.h, config/dfp-bit.c: New files.
10432 2006-01-18 Ben Elliston <bje@au.ibm.com>
10434 * expr.c (emit_move_change_mode): Always adjust addresses, not
10435 just during reload. Copy replacements only during reload.
10436 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10437 emit_move_via_integer.
10439 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10441 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10442 instead of $(srcdir) and ${srcdir}.
10444 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10446 PR target/592
10447 PR middle-end/11135
10448 * arm.h (struct machine_function): Add pic_reg.
10449 * arm.c (arm_pic_register): Make unsigned.
10450 (arm_override_options): Only set arm_pic_register if
10451 TARGET_SINGLE_PIC_BASE.
10452 (use_return_insn): Only test for a pic register if it is fixed.
10453 (arm_compute_save_reg0_reg12_mask): Likewise.
10454 (thumb_compute_save_reg_mask): Likewise.
10455 (legitimate_pic_operand): Factor out some known invariants.
10456 (legitimize_pic_address): If we don't have a fixed pic register,
10457 then set up a pseudo in the function entry sequence. Handle the
10458 pic base being in a pseudo.
10459 (arm_load_pic_register): Handle the pic register being in a pseudo.
10460 (arm_expand_prologue): Only set up the pic register if it is fixed.
10461 (thumb_expand_prologue): Likewise.
10462 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10463 (pic_load_addr_based_insn): Likewise.
10464 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10465 fixed.
10467 2006-01-18 Ben Elliston <bje@au.ibm.com>
10469 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10470 decimal float modes for all floating point registers.
10472 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10473 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10475 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10477 PR c/25682
10478 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10479 even when the pointer is not NULL.
10481 2006-01-16 Ian Lance Taylor <ian@airs.com>
10483 * common.opt (ftoplevel-reorder): New option.
10484 * cgraph.c (cgraph_asm_nodes): New global variable.
10485 (cgraph_asm_last_node): New static variable.
10486 (cgraph_order): New global variable.
10487 (cgraph_create_node): Set new order field.
10488 (cgraph_varpool_node): Likewise.
10489 (decide_is_variable_needed): Return true if not
10490 flag_toplevel_reorder.
10491 (cgraph_add_asm_node): New function.
10492 * cgraph.h (struct cgraph_node): Add order field.
10493 (struct cgraph_varpool_node): Add order field.
10494 (struct cgraph_asm_node): Define.
10495 (cgraph_asm_nodes, cgraph_order): Declare.
10496 (cgraph_add_asm_node): Declare.
10497 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10498 function.
10499 (cgraph_varpool_assemble_pending_decls): Call it.
10500 (cgraph_output_pending_asms): New static function.
10501 (cgraph_finalize_compilation_unit): Call it.
10502 (struct cgraph_order_sort): Define.
10503 (cgraph_output_in_order): New static function.
10504 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10505 !flag_toplevel_reorder case.
10506 * c-parser.c: Include "cgraph.h".
10507 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10508 assemble_asm.
10509 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10510 than -fno-unit-at-a-time.
10511 * doc/invoke.texi (Option Summary): Mention
10512 -fno-toplevel-reorder.
10513 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10514 -funit-at-a-time documentation.
10516 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10517 Kazu Hirata <kazu@codesourcery.com>
10519 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10521 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10523 * Makefile.in (FUNCTION_H): New. Use it instead of
10524 function.h throughout the file.
10525 * function.h: Include tree.h.
10527 2006-01-17 Ben Elliston <bje@au.ibm.com>
10529 * recog.c: Separate some functions with whitespace.
10531 2006-01-16 Richard Henderson <rth@redhat.com>
10533 Merge from gomp branch:
10534 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10535 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10536 and rename from struct inline_data. Rename callee* to dst*;
10537 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10538 transform_new_cfg, transform_return_to_modify, and
10539 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10540 update_clones_p.
10541 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10542 (copy_decl_for_dup): Remove.
10543 * tree-inline.c (struct inline_data): Move to header.
10544 (insert_decl_map): Export.
10545 (remap_decl): Update for member name changes. Use copy_decl hook.
10546 Allow for replacement to be a non-decl. Remove dead code.
10547 (remap_type_1): Check for existing mapping.
10548 (remap_type): Export.
10549 (remap_decls): Update for member name changes.
10550 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10551 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10552 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10553 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10554 (tree_function_versioning, build_duplicate_type): Likewise.
10555 (copy_body_r): Likewise. Export.
10556 (copy_decl_for_dup): Split into ...
10557 (copy_decl_for_dup_finish, copy_decl_to_var,
10558 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10559 (replace_ref_tree, inlining_p): Remove.
10561 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10563 * ifcvt.c (if_convert): Make it static.
10564 * rtl.h: Remove the prototype for if_convert.
10566 * local-alloc.c (local_alloc): Make it static.
10567 * rtl.h: Remove the prototype for local_alloc.
10569 * loop.c (loop_optimize): Make it static.
10570 * cfgloop.h: Remove the prototype for loop_optimize.
10571 * rtl.h: Likewise.
10573 2006-01-16 DJ Delorie <dj@redhat.com>
10575 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10576 mems.
10578 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10580 * pa.md: Disparage copies between general and floating-point registers
10581 in 32-bit move patterns.
10583 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10585 PR testsuite/25741
10586 * Makefile.in (check-%): Depend on site.exp instead of
10587 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10588 directories.
10590 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10592 * global.c (global_alloc): Make it static.
10593 * rtl.h: Remove the prototype for global_alloc.
10595 2006-01-16 Richard Guenther <rguenther@suse.de>
10597 * tree-ssa-alias.c (struct used_part): Add write_only field.
10598 (get_or_create_used_part_for): Initialize it to true.
10599 (create_overlap_variables_for): Don't create structure variables
10600 for structures that only are written to.
10601 (find_used_portions): Handle MODIFY_EXPR to track whether a
10602 structure is only written to.
10604 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10606 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10607 static.
10608 * basic-block.h: Remove the prototype for
10609 partition_hot_cold_basic_blocks.
10611 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10613 * cppspec.c (lang_specific_spec_functions): Remove.
10614 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10615 * gcc.h (lang_specific_spec_functions): Remove.
10616 * gccspec.c (lang_specific_spec_functions): Remove.
10618 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10620 * combine.c (record_value_for_reg): Invalidate registers
10621 if INSN is null.
10622 (record_dead_and_set_regs_1): Likewise, by passing them to
10623 record_value_for_reg.
10624 (record_dead_and_set_regs): Invalidate stores made by a
10625 call. We do not combine across a call, but we still
10626 relied on equivalences.
10628 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10630 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10631 vrp_int_const_binop returning non-constant nodes.
10633 2006-01-16 Paul Brook <paul@codesourcery.com>
10635 * config/m68k/m68k.c (output_move_const_into_data_reg):
10636 Output correct mnemonic for mvz and mvs.
10638 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10640 * rtl-factoring.c: Add sequence abstraction algorithm.
10641 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10642 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10643 ABNORMAL edges.
10644 (block_has_preserve_label): New function.
10645 * common.opt: Register new pass.
10646 * Makefile.in: Ditto.
10647 * passes.c: Ditto.
10648 * timevar.def: Ditto.
10649 * tree-pass.h: Ditto.
10650 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10651 * rtl.h (make_jump_insn_raw): Add forward decl.
10652 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10654 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10655 Roger Sayle <roger@eyesopen.com>
10657 * fold-const.c (fold_minmax): New static function.
10658 (fold_binary) <MIN_EXPR>: Call it.
10659 <MAX_EXPR>: Likewise.
10660 * stor-layout.c (place_field): Use DECL_SIZE consistently
10661 in the computation of the new record size.
10663 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10665 * cse.c (cse_condition_code_reg): Make it static.
10666 * rtl.h: Remove the prototype for cse_condition_code_reg.
10668 * combine.c (combine_instructions): Make it static.
10669 * rtl.h: Remove the prototype for combine_instructions.
10671 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10673 PR target/25168
10674 * tree.c (get_file_function_name_long): Concatenate the first global
10675 object name with a string derived from the input filename of the object
10676 for type "F".
10678 2006-01-16 Ben Elliston <bje@au.ibm.com>
10680 * config/i386/winnt-stubs.c: Update FSF address.
10681 * config/xtensa/ieee754-df.S: Ditto.
10682 * config/xtensa/ieee754-sf.S: Ditto.
10684 2006-01-14 Ian Lance Taylor <ian@airs.com>
10686 * ifcvt.c (noce_init_if_info): New static function, broken out of
10687 noce_process_if_block.
10688 (noce_process_if_block): Call noce_init_if_info.
10689 (check_cond_move_block): New static function.
10690 (cond_move_process_if_block): New static function.
10691 (process_if_block): Call cond_move_process_if_block.
10693 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10695 * cselib.c (hash_table): Rename to cselib_hash_table.
10696 (cselib_clear_table, discard_useless_values,
10697 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10698 cselib_init, cselib_finish): Adjust uses of hash_table.
10700 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10702 PR tree-optimization/25485
10703 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10704 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10705 is known to be false and true, respectively.
10707 2006-01-14 Richard Guenther <rguenther@suse.de>
10709 PR tree-optimization/22548
10710 PR tree-optimization/22555
10711 PR tree-optimization/22501
10712 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10713 * params.def (salias-max-array-elements): New parameter.
10714 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10715 * doc/invoke.texi (salias-max-array-elements): Document.
10716 * tree-flow-inline.h (var_can_have_subvars): We also handle
10717 arrays now.
10718 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10719 COMPONENT_REF.
10720 * tree-ssa-structalias.c (params.h): Include.
10721 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10722 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10723 (get_constraint_for): For ADDR_EXPR operating on something
10724 containing an ARRAY_REF, add all subvars to the solution.
10725 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10726 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10727 for creating MUST_DEFs.
10728 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10730 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10732 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10733 functions.
10734 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10735 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10736 number_of_iterations_le): New functions.
10737 (number_of_iterations_special): Removed.
10738 (number_of_iterations_exit): Do not use number_of_iterations_special.
10739 * tree.c (unsigned_type_for): Always return integer type.
10741 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10742 Richard Guenther <rguenther@suse.de>
10744 PR rtl-optimization/24257
10745 * gcse.c (find_moveable_store): Only consider a store movable
10746 when the SET_SRC of the insn can be assigned to a register.
10748 2006-01-14 Ian Lance Taylor <ian@airs.com>
10750 * tree.c (tree_not_class_check_failed): New function.
10751 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10752 (tree_not_class_check_failed): Declare.
10754 2006-01-13 Ian Lance Taylor <ian@airs.com>
10756 * reload1.c (do_output_reload): Add assertion rejecting a
10757 CALL_INSN.
10759 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10761 * combine.c (struct reg_stat): Add new fields truncation_label and
10762 truncated_to_mode.
10763 (record_value_for_reg): Reset truncated_to_mode.
10764 (record_truncated_value): New function.
10765 (check_promoted_subreg): Call it. Rename to check_conversions.
10766 (combine_instructions): Rename check_promoted_subreg to
10767 check_conversions.
10768 (reg_truncated_to_mode): New function.
10769 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10770 (gen_lowpart_or_truncate): New function.
10771 (force_to_mode): Use it instead of gen_lowpart.
10773 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10775 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10776 VAR is a tag, not its type tag.
10778 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10780 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10781 alternatives to match style of other entries.
10782 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10784 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10786 PR tree-optimization/25771
10787 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10788 SSA_NAMES.
10790 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10792 PR tree-opt/24365
10793 * tree-inline.c (declare_return_variable): If the return variable
10794 was marked as a non gimple complex, set the return slot variable
10795 to be a non gimple comple variable.
10797 2006-01-13 Richard Guenther <rguenther@suse.de>
10799 * builtins.c (expand_builtin_sincos): New function.
10800 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10801 do not set errno.
10802 (expand_builtin): Expand sincos using expand_builtin_sincos.
10804 2006-01-12 DJ Delorie <dj@redhat.com>
10806 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10807 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10808 so that constant shifts can be split.
10809 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10810 (m32c_valid_pointer_mode): Make static.
10811 (shift_gen_func_for): New.
10812 (m32c_prepare_shift): Use it. Split large const shifts into
10813 multiple shifts.
10814 * config/m32c/predicates.md (shiftcount_operand): Allow more
10815 general operands.
10816 (longshiftcount_operand): New.
10817 * doc/md.texi (Machine Constraints): Document In6.
10819 2006-01-13 Ben Elliston <bje@au.ibm.com>
10821 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10822 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10823 documentation.
10825 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10827 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10828 to try to avoid clobbering pieces of structures when we know
10829 something about the whole structure.
10830 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10832 2006-01-13 Ben Elliston <bje@au.ibm.com>
10834 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10835 return in memory, as this is no limitation is no longer present.
10837 2006-01-12 DJ Delorie <dj@redhat.com>
10839 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10840 mova with fb, and for fb+0 -> An.
10842 * config/m32c/mov.md (peephole2): Fix enabling logic.
10844 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10845 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10846 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10847 FINI_ARRAY_SECTION_ASM_OP): Define.
10849 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10850 variable.
10851 (m32c_legitimize_reload_address): New logic to reload FB to An.
10852 (m32c_output_reg_push): Add newline.
10853 (m32c_output_reg_pop): Likewise.
10855 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10857 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10859 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10861 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10863 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10865 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10866 match_code.
10868 2006-01-11 Ben Elliston <bje@au.ibm.com>
10870 * rtlanal.c (find_reg_note): Assert insn is not null.
10872 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10874 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10875 ifdef.
10877 2006-01-11 Jeff Law <law@redhat.com>
10879 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10880 hold edge pairs.
10881 (mark_threaded_blocks, register_jump_thread): New functions.
10882 (thread_through_all_blocks): Remove unwanted argument. No
10883 longer rely on e->aux to communicate thread target info.
10884 Call mark_threaded_blocks. Release the threaded_blocks
10885 bitmap and threaded_edges vector when complete.
10886 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10887 (threaded_blocks): Remove.
10888 (tree_ssa_dominator_optimize): Remove initialization and
10889 finalization of threaded_blocks. Simplify call to
10890 thread_through_all_blocks.
10891 (thread_across_edge): Call register_jump_thread rather than
10892 storing thread information into e->aux.
10893 (free_all_edge_infos): Simplify now that e->aux is no longer
10894 used to communicate with thread_through_all_blocks.
10895 * tree-flow.h (thread_through_all_blocks): Update prototype.
10896 (register_jump_thread): Prototype.
10898 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10900 * df-core.c (df_compact_blocks, df_bb_replace): Use
10901 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10903 2006-01-11 Richard Guenther <rguenther@suse.de>
10905 PR tree-optimization/25734
10906 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10907 stop propagation after successful propagation to the LHS.
10909 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10911 * basic-block.h (control_flow_graph): Change the type of
10912 x_basic_block_info to VEC(basic_block,gc) *.
10913 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10914 basic_block_info.
10915 (SET_BASIC_BLOCK): New.
10916 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10917 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10918 * cfgbuild.c (find_basic_blocks): Likewise.
10919 * cfglayout.c (fixup_reorder_chain): Likewise.
10920 * cfgrtl.c (create_basic_block_structure,
10921 rtl_create_basic_block): Likewise.
10922 * ifcvt.c (find_if_case_1): Likewise.
10923 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10924 Likewise.
10926 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10928 * Makefile.in: Removed rotted odf.c entry.
10930 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10932 PR target/25706
10933 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10934 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10935 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10936 output pattern modifier, not %e.
10937 * config/cris/cris.c (cris_op_str): Update comment about pattern
10938 modifier.
10939 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10940 before falling through into...
10941 <case 'E'>: Redefined from old 'e' case.
10943 2006-01-11 Jan Hubicka <jh@suse.cz>
10945 PR target/25042
10946 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10948 2006-01-11 Jan Hubicka <jh@suse.cz>
10950 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10951 * i386.c (x86_decompose_lea): Kill.
10952 (ix86_rtx_costs): Kill.
10954 2006-01-11 Jan Hubicka <jh@suse.cz>
10956 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10957 * cgraph.h (cgraph_node): Add inline_decl.
10958 (cgraph_insert_node_to_hashtable): Declare.
10959 (save_inline_function_body): Declare.
10960 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10961 clones.
10962 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10963 (cgraph_function_versioning): Update call of tree_function_versioning.
10964 (save_inline_function_body): New function.
10965 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10966 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10967 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10968 (cgraph_default_inline_p): Likewise.
10969 (cgraph_decide_inlining_incrementally): Likewise.
10970 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10971 (copy_bb): Kill saving; do updating of clones.
10972 (copy_cfg_body): Kill saving.
10973 (initialize_inlined-parameters): Likewise.
10974 (expand_call_inline): Likewise.
10975 (save_body): Kill.
10976 (tree_function_versioning): New parameter "update_clones".
10977 (inlining_p): Kill saving.
10978 * tree-inline.h (tree_function_versioning): Update prototype.
10979 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10980 saving.
10982 2006-01-11 Ian Lance Taylor <ian@airs.com>
10984 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10985 Allow undoing set of machine mode.
10986 (do_SUBST): Use enums instead of is_int.
10987 (do_SUBST_MODE): New function.
10988 (SUBST_MODE): New macro.
10989 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10990 reg and trying to replace reg_regno_rtx with a new register.
10991 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10992 (simplify_set): Use SUBST_MODE.
10993 (distribute_notes): Remove code that tried to update reg notes
10994 for regno_reg_rtx changes.
10996 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10998 PR tree-optimization/23109
10999 PR tree-optimization/23948
11000 PR tree-optimization/24123
11002 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11003 * tree-cfg.c (single_noncomplex_succ): New.
11004 * tree-flow.h (single_noncomplex_succ): Declare it.
11005 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11006 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11007 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11008 insert_bb, register_division_in, insert_reciprocals,
11009 replace_reciprocal, free_bb): New.
11010 (execute_cse_reciprocals_1): Rewritten.
11011 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11012 Do not commit any edge insertion. Always compute dominators and
11013 create the allocation pool.
11014 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11015 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11016 * targhooks.c (default_min_divistions_for_recip_mul): New.
11017 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11018 * passes.c (init_optimization_passes): Run recip after tree loop
11019 optimizations.
11020 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11022 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11023 Kenneth Zadeck <zadeck@naturalbridge.com>
11025 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11026 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11027 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11028 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11029 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11030 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11031 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11032 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11033 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11034 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11035 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11036 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11037 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11038 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11039 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11040 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11041 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11042 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11043 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11044 DF_SCAN_POST_ALLOC): New macros.
11045 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11046 df_free_bb_function, df_local_compute_function, df_init_function,
11047 df_dataflow_function, df_confluence_function_0,
11048 df_confluence_function_n, df_transfer_function,
11049 df_finalizer_function, df_free_function, df_dump_problem_function,
11050 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11051 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11052 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11053 df_urec_bb_info, ) New types.
11054 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11055 variables.
11056 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11057 df_analyze_simple_change_some_blocks,
11058 df_analyze_simple_change_one_block, df_compact_blocks,
11059 df_bb_replace, df_bb_regno_last_use_find,
11060 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11061 df_insn_regno_def_p, df_find_def, df_find_use,
11062 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11063 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11064 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11065 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11066 debug_df_chain, df_get_dependent_problem, df_chain_create,
11067 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11068 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11069 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11070 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11071 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11072 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11073 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11074 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11075 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11076 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11077 df_reorganize_refs, df_set_state, df_hard_reg_init,
11078 df_read_modify_subreg_p) New public functions.
11079 * df-core.c: The core dataflow solver and glue routines for rtl
11080 dataflow.
11081 (df_init, df_add_problem, df_set_blocks, df_finish,
11082 df_hybrid_search_forward, df_hybrid_search_backward,
11083 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11084 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11085 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11086 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11087 df_reg_defined, df_find_use, df_reg_used, df_dump,
11088 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11089 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11090 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11091 debug_df_useno, reset_df_after_reload): New functions.
11092 * df-scan.c: The scanning fuctions, once in df.c, completely
11093 rewritten so that they now fully model the functionality of
11094 register usage at the backend.
11095 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11096 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11097 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11098 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11099 df_get_artificial_defs, df_get_artificial_uses,
11100 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11101 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11102 df_refs_delete, df_reorganize_refs, df_set_state,
11103 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11104 df_def_record_1, df_defs_record, df_uses_record,
11105 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11106 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11107 df_record_exit_block_uses, df_hard_reg_init): New functions.
11109 * df-problems.c: Seven concrete dataflow problems that use the
11110 scanning in df-scan.c and are solved by the engine in df-core.c.
11111 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11112 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11113 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11114 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11115 df_ru_free_bb_info, df_ru_alloc,
11116 df_ru_bb_local_compute_process_def,
11117 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11118 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11119 df_ru_transfer_function, df_ru_free, df_ru_dump,
11120 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11121 df_rd_free_bb_info, df_rd_alloc,
11122 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11123 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11124 df_rd_transfer_function, df_rd_free, df_rd_dump,
11125 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11126 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11127 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11128 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11129 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11130 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11131 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11132 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11133 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11134 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11135 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11136 df_urec_mark_reg_use_for_earlyclobber,
11137 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11138 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11139 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11140 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11141 df_chain_create_bb_process_use, df_chain_create_bb,
11142 df_chain_finalize, df_chain_free, df_chains_dump,
11143 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11144 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11145 df_reg_lifetime): New functions.
11146 * df.c: Deleted file.
11147 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11148 consistent with new df api.
11149 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11150 rest_of_handle_sms): Ditto.
11151 * web.c (unionfind_union, union_defs, entry_register, web_main):
11152 Ditto.
11153 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11154 invariant_expr_equal_p, find_defs, check_dependencies,
11155 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11156 free_inv_motion_data, move_loop_invariants): Ditto.
11157 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11158 Update dependencies.
11159 (odf.c): Added defective entry that was deleted later in day.
11160 * sched-deps.c (sched_analyze_1): Ditto.
11162 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11164 * tree-ssa-operands.c (get_expr_operands): Record addressable
11165 variables directly. Do not call add_stmt_operands for CONST_DECLs
11166 and ARRAY_DECLs.
11167 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11168 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11170 2006-01-11 Ben Elliston <bje@au.ibm.com>
11172 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11173 function returns true in the positive case.
11175 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11177 PR target/20754
11178 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11179 for SI, DI, SF and DF modes. Add alternatives to copy between
11180 general and floating point registers to the 32-bit patterns.
11181 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11182 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11183 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11184 generating 64-bit code.
11185 * config/pa/pa.c (output_move_double): Handle copies between general
11186 and floating registers.
11188 2006-01-10 Stuart Hastings <stuart@apple.com>
11190 * config/i386/i386.md (set_got): Update.
11191 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11192 (builtin_setjmp_receiver): Mach-O support.
11193 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11194 (GOT_SYMBOL_NAME): Define.
11195 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11196 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11197 * config/i386/i386.c (override_options): Revise for Darwin.
11198 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11199 support. (darwin_x86_file_end): New. (output_set_got): Add label
11200 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11201 * config/i386/i386-protos.h (output_set_got): Likewise.
11202 * config/darwin.c (machopic_legitimize_pic_address): Update
11203 regs_ever_live[].
11205 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11207 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11208 when MODE isn't BLKmode.
11210 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11212 PR rtl-optimization/25367
11213 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11215 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11217 PR target/25718
11218 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11219 for a negative bound.
11221 2006-01-10 Richard Guenther <rguenther@suse.de>
11223 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11224 Never override with anything constraint.
11226 2006-01-10 Jan Beulich <jbeulich@novell.com>
11228 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11229 256 bits when optimize_size.
11231 2006-01-10 Jan Beulich <jbeulich@novell.com>
11233 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11234 MASK_ALIGN_DOUBLE.
11235 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11236 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11237 arguments.
11239 2006-01-10 Ben Elliston <bje@au.ibm.com>
11241 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11242 float modes.
11243 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11244 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11245 (USE_FP_FOR_ARG): Reject decimal float modes.
11246 (function_arg_advance): Likewise.
11247 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11248 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11249 point types in AltiVec vectors.
11250 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11251 (rs6000_libcall_value): Likewise.
11253 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11255 * config/xtensa/ieee754-df.S: New file.
11256 * config/xtensa/ieee754-sf.S: New file.
11257 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11258 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11259 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11261 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11263 * config/sh/predicates.md (binary_float_operator,
11264 binary_logical_operator, commutative_float_operator,
11265 equality_comparison_operator, greater_comparison_operator,
11266 less_comparison_operator, logical_operator,
11267 noncommutative_float_operator, shift_operator,
11268 symbol_ref_operand, unary_float_operator): Remove redundant
11269 conditionals.
11271 2006-01-09 Jeff Law <law@redhat.com>
11273 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11274 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11275 now unused arguments. Callers updated.
11276 (eliminate_redundant_computations): Remove now unused arguments,
11277 callers updated.
11278 (local_fold): Remove, no longer used.
11279 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11280 and moved to...
11281 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11282 (simplify_cond): New function.
11283 (forward_propagate_into_cond): Call simplify_cond.
11285 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11287 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11288 (*vec_extractv2di_1_sse): New.
11290 2006-01-09 Ben Elliston <bje@au.ibm.com>
11292 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11294 2006-01-08 Richard Guenther <rguenther@suse.de>
11296 * tree-ssa-structalias.c (get_constraint_for): Remove
11297 anyoffset argument.
11298 (get_constraint_for_component_ref): Likewise.
11299 (do_deref): Likewise.
11300 (get_constraint_for): Likewise.
11301 (do_structure_copy): Likewise.
11302 (handle_ptr_arith): Likewise.
11303 (find_func_aliases): Likewise. Remove unused need_anyoffset
11304 variable.
11306 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11307 Kaz Kojima <kkojima@gcc.gnu.org>
11309 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11310 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11311 (EXTRA_CONSTRAINT_C16): Remove.
11312 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11313 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11314 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11315 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11316 constants of SHmedia. Handle nested constant expressions of
11317 SHmedia correctly.
11318 (andcosts): Fix the costs for SHmedia constants.
11319 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11320 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11321 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11322 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11323 (movv4hi_i, movv2si_i): Likewise.
11324 (movsi_const): Adjust the second operand of ior so to match with
11325 the Csu constraint.
11326 (movdi_const, movdi_const_32bit): Likewise.
11327 (movdi_const_16bit+1): Don't sign-extend LOW.
11328 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11329 step.
11330 (*double_shori): Fix the split condition. Use GEN_INT instead
11331 of get_int_mode calls. Mask lower 16-bit of the argument of
11332 the last GEN_INT.
11333 (sym2GOTPLT): Remove.
11334 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11335 gen_rtx_UNSPEC.
11336 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11337 instead of EXTRA_CONSTRAINT_C16.
11339 2006-01-07 Ian Lance Taylor <ian@airs.com>
11340 David Edelsohn <edelsohn@gnu.org>
11342 PR rtl-optimization/25662
11343 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11344 for constant operands instead of simplify_gen_binary.
11345 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11346 after trying simplify_binary_operation
11348 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11350 * tree.c (iterative_hash_expr): Hash decls based on UID.
11352 2006-01-06 Eric Christopher <echristo@apple.com>
11354 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11355 (TARGET_UNWIND_EMIT): Fix spelling.
11356 * target.h (gcc_target): Add except_table_label.
11357 * except.c (output_function_exception_table): Use.
11358 * varasm.c (default_emit_except_table_label): New.
11359 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11360 define.
11361 (asm_out): Add here.
11362 * output.h (default_emit_except_table_label): Prototype.
11363 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11364 * config/darwin.c (darwin_emit_except_table_label): Define.
11365 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11367 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11369 PR tree-optimization/18527
11370 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11371 number_of_iterations_special, number_of_iterations_exit):
11372 Move base and step of an iv to a single structure. Add
11373 no_overflow flag, and use it in # of iterations analysis.
11374 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11375 folded_casts argument.
11376 (simple_iv): Pass base and step in a structure. Set no_overflow
11377 flag.
11378 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11379 Evaluate expensiveness of computing # of iterations instead of
11380 the final expression.
11381 * tree-scalar-evolution.h (affine_iv): New structure.
11382 (simple_iv): Declaration changed.
11383 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11384 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11385 find_givs_in_stmt): Changed due to simple_iv change.
11387 2006-01-06 Jeff Law <law@redhat.com>
11389 PR ada/24994
11390 * tree-cfg.c (bsi_replace): Rename final argument from
11391 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11392 change (stmt -> orig_stmt).
11393 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11394 (bsi_remove): Add new argument. Remove EH information
11395 if requested.
11396 (verify_eh_throw_table_statements): New function.
11397 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11398 updated.
11399 * tree-optimize.c (execute_free_cfg_annotations): Verify
11400 the EH throw statement table after removing annotations.
11401 * except.h (verify_eh_throw_table_statements): Prototype.
11402 * tree-flow.h (bsi_remove): Update prototype.
11403 * tree-vrp.c (remove_range_assertions): Add new argument to
11404 bsi_remove call.
11405 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11406 * tree-complex.c (expand_complex_div_wide): Likewise.
11407 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11408 * tree-tailcall.c (eliminate_tailcall): Likewise.
11409 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11410 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11411 * tree-nrv.c (tree_nrv): Likewise.
11412 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11413 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11414 (combine_blocks): Likewise.
11415 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11416 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11417 (cleanup_control_flow): Likewise.
11418 (remove_forwarder_block): Likewise.
11419 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11420 * tree-sra.c (sra_replace): Likewise.
11421 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11422 (forward_propagate_single_use_vars): Likewise.
11423 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11424 * tree-inline.c (expand_call_inline): Likewise.
11425 * tree-vect-transform.c (vect_transform_loop): Likewise.
11426 * tree-outof-ssa.c (rewrite_trees): Likewise.
11427 * tree-cfg.c (make_goto_expr_edges): Likewise.
11428 (cleanup_dead_labels): Likewise.
11429 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11430 (bsi_move_before, bsi_move_after): Likewise.
11431 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11432 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11434 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11436 PR tree-opt/25528
11437 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11438 and IMAGPART_EXPR.
11439 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11440 on non gimple variables. Also add checks at the top for decls and
11441 mtags.
11442 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11443 complex types.
11444 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11445 and IMAGPART_EXPR for creating MUST_DEFs.
11446 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11447 and NAME_MEMORY_TAG separately from the DECLs.
11449 2006-01-06 Richard Guenther <rguenther@suse.de>
11451 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11452 annotation, if necessary.
11453 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11454 redundant calls to update_stmt.
11455 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11456 Likewise.
11458 2006-01-05 Richard Henderson <rth@redhat.com>
11460 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11462 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11464 * c-typeck.c: Update copyright date.
11466 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11468 * c-typeck.c (build_c_cast): Always warn when casting
11469 from a pointer to an integer of different size, even if
11470 the node was constant.
11472 2006-01-05 Richard Guenther <rguenther@suse.de>
11474 PR tree-optimization/22555
11475 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11476 if one structure field is an array.
11477 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11478 operands even if we found a subvar, but ignore VOPs in this
11479 case.
11480 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11481 for renaming.
11482 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11484 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11486 PR middle-end/24998
11487 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11489 2006-01-05 Richard Guenther <rguenther@suse.de>
11490 Diego Novillo <dnovillo@redhat.com>
11492 * tree-pass.h (TODO_remove_unused_locals): Define.
11493 * gimple-low.c (expand_var_p, remove_useless_vars,
11494 pass_remove_useless_vars): Remove. Update all users.
11495 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11496 (remove_unused_locals): New function.
11497 * tree-flow.h (remove_unused_locals): Declare.
11498 * passes.c (execute_todo): Call remove_unused_locals if
11499 TODO_remove_unused_locals is set.
11500 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11501 * tree-ssa-dce.c (pass_dce): Likewise.
11502 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11504 2006-01-05 Richard Guenther <rguenther@suse.de>
11506 * tree-flow.h (struct fieldoff): Decompose field to
11507 type, size and decl.
11508 * tree-ssa-alias.c (create_sft): Take type as parameter.
11509 (create_overlap_variables_for): Store type, size and decl
11510 in the fieldoff structure.
11511 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11512 of struct fieldoff.
11513 (push_fields_onto_fieldstack): Likewise.
11514 (create_variable_info_for): Likewise. Use offset for the
11515 SFT name if the decl is not available.
11517 2006-01-04 Paul Brook <paul@codesourcery.com>
11519 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11521 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11523 * lambda-code.c (can_put_in_inner_loop): Relax
11524 restrictions.
11525 (can_put_after_inner_loop): New function.
11526 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11527 (perfect_nestify): Change to make copies and modify uses.
11529 2006-01-04 Richard Henderson <rth@redhat.com>
11531 Merge from gomp branch:
11532 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11533 via integer constant.
11534 (pragma_lex): Remove.
11535 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11536 rather than parsing it.
11537 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11538 handle_pragma_extern_prefix): Add %< %> quotes.
11539 (registered_pragmas): New.
11540 (c_register_pragma_1): New.
11541 (c_register_pragma): Use it.
11542 (c_register_pragma_with_expansion): Likewise.
11543 (c_invoke_pragma_handler): New.
11544 (init_pragma): Use cpp_register_deferred_pragma directly for
11545 pch_preprocess.
11546 * c-pragma.h (enum pragma_kind): New.
11547 (pragma_handler): New.
11548 (c_invoke_pragma_handler): Declare.
11549 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11550 CPP_PRAGMA_EOL.
11551 * c-common.h (c_common_pch_pragma): Update decl.
11552 * Makefile.in (c-parser.o): Update dependencies.
11553 (GTFILES): Add c-pragma.h.
11554 * c-parser.c (struct c_token): Add pragma_kind.
11555 (struct c_parser): Add in_pragma.
11556 (c_lex_one_token): Always initialize keyword and pragma_kind.
11557 Extract data for CPP_PRAGMA.
11558 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11559 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11560 Don't allow CPP_PRAGMA_EOL if in_pragma.
11561 (c_parser_consume_pragma): New.
11562 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11563 (c_parser_skip_to_end_of_parameter): Likewise.
11564 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11565 (c_parser_skip_to_pragma_eol): New.
11566 (c_parser_external_declaration): Handle CPP_PRAGMA.
11567 (c_parser_compound_statement_nostart): Likewise.
11568 (c_parser_statement_after_labels): Likewise.
11569 (c_parser_pragma): New.
11570 (pragma_lex): Likewise.
11571 (c_parser_pragma_pch_preprocess): New.
11572 (c_parser_new): Merge into ...
11573 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11575 2006-01-04 Jeff Law <law@redhat.com>
11577 PR ada/24994
11578 * tree-cfg.c (bsi_replace): Remove the original statement
11579 from the EH throw statement table.
11581 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11583 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11584 make the prototype extern "C" and add throw ().
11586 PR target/25554
11587 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11588 and pos non-negative and pos + len <= 32.
11589 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11590 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11591 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11593 PR c/25559
11594 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11595 as well as sizes not multiple of component size.
11597 PR debug/25562
11598 * function.c (instantiate_expr): New function.
11599 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11600 walk its DECL_VALUE_EXPR with instantiate_expr.
11602 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11603 DW_OP_deref{,_size} if address isn't going to be added.
11605 2006-01-04 Ben Elliston <bje@au.ibm.com>
11607 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11608 * config/fp-bit.c: Likewise.
11610 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11612 * dominance.c: Add comment about why we use DFS numbering
11613 of dominance tree.
11615 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11616 Richard Henderson <rth@redhat.com>
11618 Merge from gomp-branch:
11619 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11620 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11622 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11624 PR rtl-optimization/25578
11625 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11626 pass a parameter to simplify_shift_const if changing ASHIFTRT
11627 to LSHIFTRT.
11629 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11631 * builtins.c (get_builtin_sync_mem): New function.
11632 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11633 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11634 Call get_builtin_sync_mem to generate mem rtx.
11636 2006-01-03 Richard Guenther <rguenther@suse.de>
11638 PR c/25183
11639 * stmt.c (add_case_node): Make sure to clear overflow flags
11640 from ranges.
11642 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11644 Merge from gomp-branch.
11645 * config/sparc/sync.md: New file.
11646 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11647 UNSPECV_LDSTUB): New constants.
11648 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11649 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11650 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11651 prototype.
11653 2006-01-03 Roger Sayle <roger@eyesopen.com>
11655 * combine.c (reg_subword_p): New predicate to test whether the
11656 destination of a set refers to a subword/piece of a register.
11657 (try_combine): Generalize the code to merge the setting of a
11658 pseudo to a constant followed by a set of a subword of that
11659 register to a constant.
11661 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11663 * basic-block.h (control_flow_graph): Change the type of
11664 x_label_to_block_map to VEC(basic_block,gc) *.
11665 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11666 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11668 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11669 VEC(basic_block,heap) *.
11670 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11671 ssa_prop_fini): Adjust the uses of cfg_blocks.
11673 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11675 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11676 COMPONENT_REFs.
11677 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11678 hashing trees instead of a pointer hash.
11679 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11680 compare for MEM_EXPR.
11682 PR rtl-optimization/25130
11683 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11684 when comparing MEMs for GCSE
11686 2006-01-03 Ben Elliston <bje@au.ibm.com>
11688 * targhooks.h (default_decimal_float_supported_p): Declare.
11689 * targhooks.c (default_decimal_float_supported_p): Define.
11690 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11691 `default_decimal_float_supported_p'.
11692 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11694 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11696 * combine.c (apply_distributive_law <SUBREG>): Check
11697 TRULY_NOOP_TRUNCATION.
11699 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11701 * dwarf2out.c (have_switched_text_section): Delete.
11702 (have_multiple_function_sections): New.
11703 (have_location_lists): Make 'bool'.
11704 (add_AT_loc_list): Use 'true' not '1'.
11705 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11706 (output_loc_list): Use have_multiple_function_sections.
11707 (output_ranges): Likewise.
11708 (dwarf2out_begin_function): Set have_multiple_function_sections if
11709 necessary.
11710 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11711 Check function_section rather than DECL_SECTION_NAME.
11712 (dwarf2out_finish): Use have_multiple_function_sections.
11713 Don't clear have_location_lists.
11715 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11716 Jan Hubicka <jh@suse.cz>
11718 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11719 case of conditional jump jumping to the next instruction.
11720 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11721 cases of conditional jump jumping to the next instruction.
11723 2006-01-02 Jan Hubicka <jh@suse.cz>
11725 * i386.c (*_cost): Add COSTS_N_INSNS.
11726 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11728 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11730 PR target/25259
11731 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11733 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11735 * config/arm/arm.c (all_fpus): Fix comment typo.
11736 * config/darwin.c: Likewise.
11737 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11738 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11739 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11741 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11743 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11744 (rs6000_split_compare_and_swapqhi): New.
11745 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11746 (sync_compare_and_swapqhi_internal): New.
11747 * config/rs6000/rs6000-protos.h: Declare.