1 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5 into register for (code == GTU).
7 2006-05-29 Roger Sayle <roger@eyesopen.com>
9 PR tree-optimization/24964
10 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
12 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
13 abs(x)*abs(x) as x*x for scalar floating point modes.
15 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
18 * lambda-code.c (perfect_nestify): Don't copy statements
19 in the inner loop: move them to the inner loop header.
21 2006-05-29 Diego Novillo <dnovillo@redhat.com>
24 * c-tree.texi: Document OpenMP directives and clauses.
26 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
28 * varasm.c (globalize_decl): Fix indentation.
30 2006-05-29 Diego Novillo <dnovillo@redhat.com>
33 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
34 pass_fre, pass_store_ccp, pass_copy_prop,
35 pass_store_copy_prop, pass_merge_phi, pass_nrv,
36 pass_return_slot, pass_object_size, pass_lim,
37 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
38 pass_loop_prefetch and pass_stdarg.
40 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
42 * config/bfin/bfin.opt (mfdpic): New option.
43 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
44 (EXTRA_MULTILIB_PARTS): Likewise.
45 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
46 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
48 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
49 (CRT_CALL_STATIC_FUNCTION): New.
50 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
52 (CRT_CALL_STATIC_FUNCTION): New.
53 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
55 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
56 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
57 (initialize_trampoline): Changed to handle FD-PIC code generation.
58 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
59 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
60 (override_options): Disallow -mid-shared-library -mfdpic combination.
61 Can't do unaligned ops if FD-PIC.
62 Turn off flag_pic if trying to generate non-id-shared-library
63 non-fdpic code, since it's not supported.
64 (bfin_assemble_integer): New function.
65 (TARGET_ASM_INTEGER): Define.
66 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
68 * config/bfin/crtn.s: Restore them.
69 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
71 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
72 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
73 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
74 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
75 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
77 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
78 FDPIC_REGS and FDPIC_FPTR_REGS.
79 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
80 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
81 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
82 (load_funcdescsi): New pattern.
83 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
84 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
85 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
87 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
89 * gcse.c, rtlanal.c: Remove obsolete comments associated with
92 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
94 * tree-flow.h: Remove the prototype for add_type_alias.
95 * tree-ssa-alias.c (add_type_alias): Remove.
97 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
99 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
100 config/fr30/fr30.md, config/i386/i386-interix.h,
101 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
102 config/sh/superh64.h, config/v850/v850.c, df-core.c,
103 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
104 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
105 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
106 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
107 Follow spelling conventions.
108 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
109 Follow spelling conventions.
111 2006-05-27 Richard Guenther <rguenther@suse.de>
114 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
115 to produce a constant of value 1 of generic type.
117 2006-05-27 Dirk Mueller <dmueller@suse.de>
119 * cgraphunit.c (decide_is_function_needed): Fix wrong
122 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
124 PR rtl-optimization/27661
125 * reload.c (find_reloads): When reloading a VOIDmode constant
126 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
127 use Pmode as mode of the reload register.
129 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
131 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
132 is enabled at -O and above.
134 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
137 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
140 2006-05-25 Mark Mitchell <mark@codesourcery.com>
143 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
144 for anonymous variables explicitly declared by front ends.
146 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
148 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
149 (struct alias_info): Add new field ref_all_symbol_mem_tag.
150 * tree-ssa-alias.c (compute_may_aliases): If the program contains
151 ref-all pointers, run a finalization pass for them.
152 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
153 (finalize_ref_all_pointers): New function.
154 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
155 regular pointer type to a ref-all pointer type.
156 (get_tmt_for): Return the special memory tag for ref-all pointers.
158 2006-05-25 Richard Guenther <rguenther@suse.de>
161 * fold-const.c (fold_binary): Do not look at the stripped
162 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
164 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
166 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
167 for LT and GT if the computed range is effectively empty.
169 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
172 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
173 mips_quad_format formats instead of ieee_single_format,
174 ieee_double_format and ieee_quad_format formats, respectively.
176 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
178 PR tree-optimization/27639
179 PR tree-optimization/26719
180 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
181 call to scev_probably_wraps_p.
182 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
183 used_in_pointer_arithmetic_p, convert_step): Removed.
184 (nowrap_type_p): New function.
185 (scev_probably_wraps_p): Rewritten.
186 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
187 chrec_convert if chrec_convert_aggressive might have been used.
188 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
189 scev_direction): New functions.
190 (chrec_convert): Changed to a wrapper over chrec_convert_1.
191 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
192 instead of convert_step.
193 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
194 (convert_step): Declaration removed.
195 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
197 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
199 * df-core.c: Added to header comments.
200 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
201 df_ur_bb_info, df_urec_bb_info): Added comments.
202 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
203 urec, ri problems): Fixed header comments.
204 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
205 code from df_rd_transfer_function.
207 2006-05-23 Richard Sandiford <richard@codesourcery.com>
209 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
210 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
211 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
213 2006-05-23 Joseph Myers <joseph@codesourcery.com>
215 * expr.c (undefined_operand_subword_p): New.
216 (emit_move_multi_word): Do not generate move from undefined bits
217 of a paradoxical subreg.
219 2006-05-23 Richard Sandiford <richard@codesourcery.com>
221 PR rtl-optimization/27736
222 * combine.c (replaced_rhs_value): New variable.
223 (combine_instructions): Set it.
224 (distribute_notes): When distributing a note in replaced_rhs_insn,
225 check whether the value was used in replaced_rhs_value.
227 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
230 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
231 add_referenced_var instead of add_referenced_tmp_var.
232 * tree-complex.c (create_one_component_var): Use add_referenced_var.
233 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
235 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
236 tree_optimize_tail_calls_1): Use add_referenced_var.
237 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
238 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
239 Use add_referenced_var.
240 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
241 * gimplify.c (force_gimple_operand): Use add_referenced_var.
242 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
243 Use add_referenced_var.
244 * tree-dfa.c (struct walk_state): Remove.
245 (find_referenced_vars): Remove walk state and vars_found hash table.
246 (make_rename_temp): Use add_referenced_var.
247 (find_vars_r): Pass less parameters to add_referenced_var.
248 (referenced_var_p): New. Is var in referenced_var hash table.
249 (referenced_var_insert): Assert var isn't already in hash table.
250 (add_referenced_var): Don't need walk_state parameter. Add var if it
251 isn't already in the hash table.
252 (add_referenced_tmp_var): Remove.
253 (find_new_referenced_vars_1): Use add_referenced_var.
254 * tree-ssa-pre.c (create_expression_by_pieces,
255 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
256 Use add_referenced_var.
257 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
258 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
259 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
261 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
262 vect_create_data_ref_ptr, vect_create_destination_var,
263 vect_init_vector, vect_build_loop_niters,
264 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
265 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
266 Use add_referenced_var.
267 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
268 * tree-flow.h (add_referenced_tmp_var): Remove prototype
269 (add_referenced_var): Add prototype.
270 * tree-ssa-structalias.c (get_constraint_for,
271 intra_create_variable_infos): Use add_referenced_var.
273 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
275 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
276 big-endian paradoxical subregs.
277 * var-tracking.c (struct micro_operation_def): Document that,
278 for modify micro operations, insn is the subsequent instruction.
279 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
280 (var_reg_set, var_mem_set): ... new functions.
281 (add_stores): Record subsequent insn.
282 (compute_bb_dataflow): Use new functions for MO_USE.
283 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
284 notes after the insn, and modify notes before the insn known
285 to be the subsequent one.
286 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
288 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
291 * config/i386/i386.c (ix86_expand_builtin): Use
292 gen_sse3_monitor64 for TARGET_64BIT.
294 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
296 PR rtl-optimization/26375
297 PR rtl-optimization/26855
298 * df-problems (df_ru_bb_local_compute_process_def): Removed update
300 (df_ru_bb_local_compute): Reversed statements and removed bogus
301 comment explaining why they should be in wrong order.
302 (df_ru_dump, df_rd_dump): Enhanced debug info.
303 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
305 * ddg.c (add_deps_for_def): Converted use of reaching defs to
306 reaching uses and fixed space problem.
308 2006-05-23 Jan Hubicka <jh@suse.cz>
310 * cgraphunit.c (decide_is_function_needed): Also nested functions
311 and functions declared inline can be optimized out at -O0.
313 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
315 * doc/install.texi (Configuration): Remove reference to CrossGCC
316 FAQ which was hijacked.
319 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
322 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
323 ix86_compare_emitted is non-NULL.
325 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
328 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
331 2006-05-22 Richard Sandiford <richard@codesourcery.com>
333 PR rtl-optimization/25514
334 * combine.c (replaced_rhs_insn): New variable.
335 (combine_instructions): Set replaced_rhs_insn when trying to replace
336 a SET_SRC with a REG_EQUAL note.
337 (distribute_notes): Use replaced_rhs_insn when determining the live
338 range of a REG_DEAD register.
340 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
341 Anatoly Sokolov <aesok@post.ru>
343 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
344 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
345 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
346 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
347 atmega3290, atmega649, atmega6490, atmega406, atmega640,
348 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
349 at90usb647, at90usb1286 and at90usb1287 devices.
350 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
351 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
353 2006-05-22 Richard Sandiford <richard@codesourcery.com>
355 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
357 2006-05-22 Richard Guenther <rguenther@suse.de>
360 2006-01-31 Richard Guenther <rguenther@suse.de>
361 Paolo Bonzini <bonzini@gnu.org>
363 * doc/install.texi (--disable-libgcc-math): Document.
365 2006-05-22 Richard Guenther <rguenther@suse.de>
368 2006-01-31 Richard Guenther <rguenther@suse.de>
370 * doc/invoke.texi (-msselibm): Document.
371 * target.h (expand_library_builtin): New target hook.
372 * builtins.c (expand_builtin): Use expand_library_builtin.
373 (default_expand_library_builtin): New function.
374 * gcc.c (LINK_GCC_MATH_SPEC): Define.
375 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
376 (link_gcc_math_spec): Declare.
377 (static_specs): Add link_gcc_math_spec.
378 * expr.h (default_expand_library_builtin): Declare.
379 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
380 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
381 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
382 * config/i386/i386.opt (msselibm): New target option.
383 * config/i386/i386.c (ix86_builtin_function_variants): New array.
384 (ix86_init_sse_abi_builtins): New function.
385 (ix86_expand_library_builtin): Likewise.
386 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
387 (override_options): Handle error conditions wrt -msselibm.
388 (ix86_builtins): Add function codes for SSE2 ABI builtins.
389 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
390 * doc/extend.texi (__builtin_sse2_*): Document new target specific
393 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
396 * c-common.c (self_promoting_args_p): Skip erroneous args.
399 * c-decl.c (finish_struct): Skip erroneous fields.
401 2006-05-22 Nick Clifton <nickc@redhat.com>
403 * config/cris/cris.opt (march): Remove VarExists attribute.
404 (max-stackframe=): Likewise.
406 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
408 * doc/rtl.texi: Fix a typo.
409 * see.c: Fix comment typos.
411 * tree-ssa-structalias.h (alias_info): Remove num_references.
413 2006-05-21 Mike Stump <mrs@apple.com>
415 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
417 (darwin_pragma_options): Use BAD instead.
418 (darwin_pragma_unused): Likewise.
419 (darwin_pragma_ms_struct): Likewise.
421 2006-05-21 David Edelsohn <edelsohn@gnu.org>
423 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
425 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
427 PR rtl-optimization/27671
428 * simplify-rtx.c (simplify_relational_operation_1): Fix
429 simplifications of (eq/ne (xor x y) y) and
432 PR tree-optimization/26622.
433 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
436 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
438 * tree-cfg.c: Prune whitespace.
439 (debug_tree_cfg): Point to correct header containing the
442 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
445 * cgraphunit.c (verify_cgraph_node): Typo in error message.
447 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
450 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
451 or sorry count is non zero.
453 2006-05-20 Andreas Schwab <schwab@suse.de>
455 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
457 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
458 Kenneth Zadeck <zadeck@naturalbridge.com>
460 PR rtl-optimization/26855
462 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
464 (df_scan_alloc): Added code to properly handle multiword hard
465 registers and add all_blocks parameter.
466 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
467 code to properly handle multiword hard registers.
468 (df_rescan_blocks): Added code to remove deleted blocks from
470 (df_ref_create_structure, df_ref_record): Added code to properly
472 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
473 and set DF_REF_PARTIAL.
474 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
475 (df_uses_record): Added DF_REF_PARTIAL for subreg.
476 (df_scan_add_problem): Added flags parameter.
477 (df_ref_create_structure): Changed switching structure.
478 (df_bb_refs_record): Fixed case where duplicate artificial refs
479 were created. Changed location of flags.
480 (df_record_entry_block_defs): Added code to make stack pointer
481 live in entry block. Refined cases where frame pointer is needed.
482 Changed location of flags.
483 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
484 (df_set_state): Removed function.
485 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
486 df_insn_create_insn_record, df_insn_refs_delete,
487 df_ref_create_structure): Formatting changes.
488 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
489 df_delete_basic_block): New function.
490 (df_init): Changed location of flags.
491 (df_add_problem): Added flags parameter and the way flags are
493 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
494 debug_df_chain): Improved debugging output.
495 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
496 (df_refs_chain_dump): Removed df parameter.
497 (df_iterative_dataflow): Added consistency check.
498 (df_prune_to_subcfg): Made public.
499 (df_analyze_problem): Added blocks_to_init parameter and made
501 (df_ref_record, df_bb_refs_record, df_mark_reg,
502 df_record_exit_block_uses): Whitespace changes.
503 (df_dump): Whitespace changes.
504 * df.h: Some reordering to remove forward references.
505 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
506 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
507 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
508 (dataflow.flags): New field.
509 (df.flag): Deleted field.
510 (df_alloc_function): Added additional bitmap parameter.
511 (df_dependent_problem_function): New type.
512 (df_problem.changeable_flags): New field.
513 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
514 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
515 (df_mw_hardreg): New struct.
516 (DF_INSN_UID_MWS): New macro.
517 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
519 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
520 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
521 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
522 (df_set_state): Removed function.
523 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
524 * df-problems.c (df_chain_dump): Removed df parameter.
525 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
526 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
528 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
529 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
530 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
531 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
532 DF_REF_MUST_CLOBBER cases.
533 (df_ru_bb_local_compute_process_def,
534 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
535 df_lr_bb_local_compute, df_ur_bb_local_compute,
536 df_chain_create_bb): Made subreg aware.
537 (df_ru_bb_local_compute, df_rd_bb_local_compute,
538 df_lr_bb_local_compute, df_lr_bb_local_compute,
539 df_chain_create_bb): Cleanup to use proper macros.
540 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
541 code to fixup bitvectors.
542 (df_ri_alloc): Cleared lifetime.
543 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
544 df_create_unused_note): New function.
545 (df_ri_bb_compute, df_ri_compute): Added code to create/update
546 REG_DEAD and REG_UNUSED notes as well as register information.
547 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
548 df_chains_dump): Fixed crash if problem was never run.
549 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
550 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
551 df_ri_add_problem): Processes flags in uniform manner.
552 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
553 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
554 df_rd_dump, df_urec_free_bb_info): Formatting changes.
555 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
556 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
557 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
558 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
559 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
560 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
561 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
562 * see.c (see_initialize_data): Ditto.
563 * final.c (rest_of_clean_state) Added regstack_completed.
564 * rtl.h (regstack_completed): Ditto.
565 * reg-stack.c (regstack_completed): Ditto.
567 2006-05-19 Mike Stump <mrs@apple.com>
569 * c-tree.h (default_conversion): Remove.
570 * c-common.h (default_conversion): Add.
572 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
574 * tree-vrp.c (valid_value_p): New function.
575 (adjust_range_with_scev): Fail if the value of bound is not
578 2006-05-19 Richard Sandiford <richard@codesourcery.com>
580 * config/mips/linux-unwind.h: Include <asm/unistd.h>
581 (mips_fallback_frame_state): Use syscall numbers to determine
582 the appropriate li instruction for the current ABI. Only use
583 __NR_sigreturn for o32.
585 2006-05-19 Nicolas Setton <setton@adacore.com>
587 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
588 * langhooks.c (lhd_dwarf_name): New function.
589 * langhooks-def.h (lhd_dwarf_name): Declare.
590 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
591 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
592 * ada/misc.c (gnat_dwarf_name): New function.
593 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
595 2006-05-19 Richard Sandiford <richard@codesourcery.com>
597 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
599 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
600 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
601 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
602 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
603 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
604 determine the size of Wtype, etc.
605 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
606 (swfloatfuncs): New variable.
607 (dwfloatfuncs): Likewise.
608 (lib2funcs): Remove floating-point conversion functions from
609 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
610 the set of conversion routines needed. Allow entries to specify
611 an object name, filename and word size. Update users accordingly.
612 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
613 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
617 2006-02-08 Roger Sayle <roger@eyesopen.com>
620 * config/fixtfdi.c: New libgcc source file.
621 * config/fixunstfdi.c: New source file.
622 * config/floatditf.c: New source file.
623 * config/floatunditf.c: New souce file.
624 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
625 files above instead of config/mips/_tilib.c.
626 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
628 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
630 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
631 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
633 2006-05-18 Mike Stump <mrs@apple.com>
635 Fix up vla, vm and [*] sematics.
641 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
642 (c_vla_unspec_p): Add.
644 * c-decl.c (struct c_scope): Add had_vla_unspec.
645 (build_array_declarator): Add support for [*].
646 (grokdeclarator): Likewise.
647 (grokparms): Likewise.
648 (get_parm_info): Likewise.
649 * c-objc-common.c (c_vla_unspec_p): Likewise.
650 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
651 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
652 typeof when argument is a variably modified type not inside sizeof or alignof.
653 (c_parser_direct_declarator_inner): Propagate errors.
654 (c_parser_sizeof_expression): Add support for [*].
655 (c_parser_parms_declarator): Initialize had_vla_unspec.
656 (c_parser_parms_list_declarator): Likewise.
657 * c-typeck.c (c_vla_type_p): Add.
658 (composite_type): Add support for vla compositing.
659 (comptypes_internal): Add support for vla compatibility.
660 (c_expr_sizeof_expr): Evaluate vla arguments.
661 * tree.c (variably_modified_type_p): Update comment for [*].
663 2006-05-18 Michael Matz <matz@suse.de>
666 * config.host: Make assignments to host_xmake_file cumulative.
667 * config.host (*-darwin*): Test $host, not $target.
669 2006-05-12 Stuart Hastings <stuart@apple.com>
671 * config/i386/i386.opt (-mstackrealign): New flag.
672 * config/i386/i386.c (force_align_arg_pointer): New attribute.
673 (ix86_handle_cconv_attribute): Emit error when
674 force_align_arg_pointer attribute collides with too many regparms.
675 (ix86_function_regparm): Limit regparms when used with
676 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
677 Support stack-realigning prologue in non-main functions. Emit
678 warning for nested functions under -mstackrealign, emit error for
679 nested functions with force_align_arg_pointer attribute.
680 * doc/extend.texi (force_align_arg_pointer): Document it.
681 * doc/invoke.texi (-mstackrealign): Document it.
683 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
685 PR rtl-optimization/27477
686 * combine.c (try_combine): Don't split a parallel consisting
687 of two sets into two individual sets if both sets reference
690 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
692 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
693 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
695 * doc/options.texi (VarExists): Updated.
697 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
699 * unwind-dw2.c: Add declarations for uw_update_context and
701 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
702 detected, advance frame state and context once to skip over stub.
704 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
708 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
709 Call rewrite_into_loop_closed_ssa only when something changed.
710 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
711 * lambda-code.c (can_convert_to_perfect_nest): Declared.
712 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
713 Test for perfect_nest_p here. Fix formating.
714 (replace_uses_equiv_to_x_with_y): Fix formating.
715 (stmt_uses_op): Removed.
716 (can_convert_to_perfect_nest): Removed loopivs parameter.
717 Complete the test by checking the scalar dependences.
718 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
721 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
724 From Dan Kegel <dank@kegel.com>:
725 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
727 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
729 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
730 if the element type is variably modified without recursing.
732 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
735 * tree-loop-linear.c (try_interchange_loops): Test for
738 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
740 PR tree-optimization/27548
741 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
742 range of ssa names that appear on abnormal edges.
743 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
744 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
746 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
749 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
751 2006-05-17 Jakub Jelinek <jakub@redhat.com>
754 * tree.h (OMP_PARALLEL_COMBINED): Define.
755 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
756 (new_omp_context): Add is_combined_parallel argument.
757 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
758 new_omp_context caller.
759 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
760 Adjust gimplify_scan_omp_clauses callers.
761 (omp_is_private): Issue errors if iteration variable is firstprivate
762 or reduction in the current context.
763 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
764 on combined parallel workshare constructs.
766 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
768 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
769 (gcc-options.o): New rule.
771 * optc-gen.awk: Protect variables for gcc-options.o with
772 #ifdef GCC_DRIVER/#endif.
774 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
776 Fix PR tree-optimization/27373
777 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
778 (forward_propagate_addr_expr): Update call.
780 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
782 * doc/options.texi: Move the Negative option.
784 2006-05-16 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/22303
787 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
789 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
790 ccp_fold did not simplify the statement.
792 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
795 * Makefile.in (GCC_OBJS): New.
796 (OBJS-common): Add opts-common.o.
797 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
798 (cpp$(exeext)): Likewise.
799 (gcc.o): Also depend on opts.h.
800 (opts-common.o): New.
802 * common.opt (gcoff): Add Negative(gdwarf-2).
803 (gdwarf-2): Add Negative(gstabs).
804 (gstabs): Add Negative(gstabs+).
805 (gstabs+): Add Negative(gvms).
806 (gvms): Add Negative(gxcoff).
807 (gxcoff): Add Negative(gxcoff+).
808 (gxcoff+): Add Negative(gcoff).
809 * config/i386/i386.opt (m32): Add Negative(m64).
810 (m64): Add Negative(m32).
812 * doc/options.texi: Document the Negative option.
814 * gcc.c: Include "opts.h".
815 (main): Call prune_options after expandargv.
817 * optc-gen.awk: Generate common declarations for all flag
818 variables in options.c. Output the neg_index field.
820 * opts.c (find_opt): Moved to ...
821 * opts-common.c: Here. New file.
823 * opts.h (cl_option): Add a neg_index field.
825 (prune_options): Likewise.
827 2006-05-16 Jakub Jelinek <jakub@redhat.com>
830 * omp-low.c (expand_omp_parallel): Don't assert
831 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
832 instead search for it.
835 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
838 2006-05-16 Andreas Schwab <schwab@suse.de>
840 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
843 2006-05-15 Roger Sayle <roger@eyesopen.com>
846 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
847 integer constants other than zero are only legitimate on TARGET_64BIT.
848 <CONST_VECTOR> Only zero vectors are legitimate.
849 (ix86_cannot_force_const_mem): Integral and vector constants can
850 always be put in the constant pool.
852 2006-05-16 DJ Delorie <dj@redhat.com>
854 * crtstuff.c (__dso_handle): Set section from
855 TARGET_LBIGCC_SDATA_SECTION if defined.
856 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
857 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
859 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
862 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
865 2006-05-16 Ben Elliston <bje@au.ibm.com>
867 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
869 2006-05-15 Per Bothner <per@bothner.com>
871 * tree.c: (last_annotated_node): Use sources_locus typedef.
872 This permits bootstrapping with --enable-mapped-location.
874 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
876 PR tree-optimization/26830
877 * tree-into-ssa.c (struct ssa_name_info): Add age field.
878 (info_for_ssa_name, current_info_for_ssa_name_age,
879 blocks_to_update): New variables.
880 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
881 (clear_ssa_name_info, initialize_flags_in_bb,
882 mark_block_for_update): New functions.
883 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
884 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
885 prepare_def_site_for): Use mark_block_for_update.
886 (mark_def_interesting): Assert that the processed block is marked in
887 blocks_to_update. Do not take blocks argument.
888 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
890 (rewrite_update_init_block, rewrite_update_stmt): Only process
891 blocks with statements to rewrite.
892 (delete_update_ssa): Do not clear SSA_NAME_AUX.
893 (update_ssa): Initialize and free blocks_to_update. Do not
894 clear flags on statements. Do not use blocks bitmap.
895 * tree.h (SSA_NAME_AUX): Removed.
896 (struct tree_ssa_name): Removed aux field.
897 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
899 2006-05-15 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/27603
902 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
903 Do computations in original type.
905 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
907 * see.c: Code style changes such as redundant paranthesis,
908 redundant intialization of local variables etc.
909 (see_main): Declared now as static.
910 * doc/invoke.texi: Update that -fsee is not enabled by
913 2006-05-15 Jakub Jelinek <jakub@redhat.com>
915 * omp-low.c (check_omp_nesting_restrictions): New function.
916 (scan_omp_1): Call it.
919 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
920 construct, return *VAR.
922 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
924 PR rtl-optimization/27406
925 * bt-load.c (migrate_btr_def): Skip the block having abnormal
928 2006-05-14 Roger Sayle <roger@eyesopen.com>
930 PR rtl-optimization/27538
931 * combine.c (expand_compound_operation): Call gen_lowpart
932 before calling simplify_shift_const.
934 2006-05-14 Roger Sayle <roger@eyesopen.com>
936 PR rtl-optimization/22563
937 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
938 a fixed width bitfield, always force the intermediates into psuedos.
940 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
943 * mkconfig.sh: Use operator = instead of == for test.
945 2006-05-13 Nick Clifton <nickc@redhat.com>
947 * dwarf2out.c (dbx_reg_number): Check return value from
948 LEAF_REG_REMAP and only use it if it is valid.
949 (multiple_reg_loc_descriptor): Likewise.
951 2006-05-13 Richard Guenther <rguenther@suse.de>
953 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
956 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
958 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
959 information attached to non-INSNs such as NOTEs.
960 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
962 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
964 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
966 * config/s390/s390.md: Adjust comment describing On constraint.
968 2006-05-11 Jan Hubicka <jh@suse.cz>
970 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
973 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
976 * fold-const.c (size_binop): Move sanity check for arguments to
977 the beginning of the function.
980 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
983 2006-05-11 Richard Guenther <rguenther@suse.de>
986 * fold-const.c (fold_unary): Handle intermediate conversion
987 to a pointer type like intermediate conversion to an integer
988 type in folding of (T1)(T2)var to var.
989 Match the code to the comment in the final conversion for
990 (T1)(T2)var to (T1)var regarding to type precision. Rather
991 than disallow T1 being of pointer type, assert that both T1
992 and var are of pointer type or not. Make sure not to fall
993 over the frontends lazyness wrt array to pointer decay though.
995 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
997 * arm.c (arm_struct_value_rtx): Delete.
998 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
999 (arm_init_cumulative_args): Always initialize nregs to zero.
1001 2006-05-10 Richard Guenther <rguenther@suse.de>
1003 PR tree-optimization/27532
1004 * tree-object-size.c (plus_expr_object_size): Fix typo.
1006 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1009 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1010 ashrdi_const, ashrdi3): Use a scratch register.
1012 2006-05-10 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/27302
1015 * fold-const.c (operand_equal_p): For two comparisons,
1016 try comparison of one comparison code swapped if that yields
1019 2006-05-10 Ben Elliston <bje@au.ibm.com>
1021 * tree-pretty-print.c (pretty_print_string): No need to handle
1022 '\0' as a special character.
1024 * tree.h: Include "hashtab.h".
1025 (iterative_hash_expr): Use hashval_t in its prototype.
1026 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1028 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1031 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1032 (hppa*64*-*-hpux11*): Ditto.
1033 (hppa[12]*-*-hpux11*): Ditto.
1035 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1038 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1040 2006-05-09 Michael Matz <matz@suse.de>
1042 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1043 host_extra_gcc_objs and host_xmake_file.
1044 (<*-*-linux*>): Don't overwrite host_xmake_file.
1045 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1046 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1047 (host_detect_local_cpu): Declare.
1048 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1049 * config/i386/i386.c (override_options): Handle -mtune=native
1051 * config/i386/x-i386: New file.
1052 * config/i386/driver-i386.c: New file.
1053 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1056 2006-05-09 Dirk Mueller <dmueller@suse.de>
1057 Richard Guenther <rguenther@suse.de>
1060 * fold-const.c (fold_read_from_constant_string): Relax check
1061 for matching types to matching modes.
1063 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1065 PR rtl-optimization/27335
1066 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1069 2006-05-08 Chao-ying Fu <fu@mips.com>
1070 Richard Sandiford <richard@codesourcery.com>
1072 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1073 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1074 * config/mips/mips.md (UNSPEC_SCC): New constant.
1075 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1076 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1077 (mips_emit_compare): Use it.
1078 (mips_expand_vcondv2sf): New function.
1080 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1082 Fix PR tree-optimization/27093
1083 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1084 renaming when they become not-used_alone.
1086 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1088 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1089 relocation and relocation stubs.
1091 2006-05-08 Eric Christopher <echristo@apple.com>
1093 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1096 2006-05-08 Jan Hubicka <jh@suse.cz>
1099 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1100 unused static functions are needed.
1102 2006-05-08 Roger Sayle <roger@eyesopen.com>
1105 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1106 of a reg_equiv_constant if the result is a legitimate constant.
1108 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1111 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1112 standard 80387 constants, raise the cost to prevent
1113 compress_float_constant() to generate load from memory.
1115 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1117 * config/arm/constraints.md (c): Fix a typo.
1119 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1122 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1125 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1127 (_mm_mwait): Likewise.
1129 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1131 (sse3_monitor): Make it 32bit only.
1132 (sse3_monitor64): New. 64bit monitor.
1134 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1137 * config/i386/i386.c (classify_argument): Skip fields with invalid
1140 2006-05-07 Richard Guenther <rguenther@suse.de>
1142 PR tree-optimization/27409
1143 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1144 Do not try to find zero-sized subvars.
1146 2006-05-07 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/27136
1149 * tree-ssa-loop-niter.c (get_val_for): Correct function
1150 comment, assert requirements.
1151 (loop_niter_by_eval): Stop processing if the iterated
1152 value did not simplify.
1154 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1156 * opts.c (flag_see): remove its setting at -O3.
1158 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1160 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1161 * arm/constraints.md: New file.
1162 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1163 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1164 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1165 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1166 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1167 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1168 * arm.md: Include constraints.md.
1169 (thumb_movsi_insn): Use satisfies_constraint_J.
1170 (movhi, movqi): Use satisfies_constraint_I.
1172 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1174 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1175 for atmeg a645 device.
1177 2006-05-06 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/27151
1180 * tree-vect-transform.c (vectorizable_condition): Punt on
1181 values that have a different type than the condition.
1183 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1186 * c-parser.c (c_parser_cast_expression): Only insert casts into
1187 hash table if pointer.
1188 * function.c (used_types_insert_helper): Rename from
1190 (used_types_insert): Call used_types_insert_helper.
1191 * function.h (used_types_insert): Accept only one argument.
1193 2006-05-05 David Edelsohn <edesohn@gnu.org>
1195 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1196 scratch with output modifier.
1198 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1201 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1202 with output modifier.
1204 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1207 * config/mips/mips.c (mips_symbolic_address_p): Return true
1208 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1209 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1211 2006-05-04 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/14287
1214 PR tree-optimization/14844
1215 PR tree-optimization/19792
1216 PR tree-optimization/21608
1217 PR tree-optimization/27090
1218 * tree-ssa-pre.c (try_combine_conversion): New function.
1219 (compute_avail): After constructing the value-handle
1220 expression, use try_combine_conversion to combine NOP_EXPRs
1221 with previous value-handle expressions and use the result if it
1224 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1226 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1228 2006-05-04 Jan Hubicka <jh@suse.cz>
1231 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1233 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1235 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1236 that this only matches CONST_INTs. All users changed to VOIDmode
1239 * config/bfin/bfin.c: Include "optabs.h".
1240 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1242 (enum bfin_builtins): Add a number of fractional and vector builtins.
1243 (bfin_init_builtins): Likewise.
1244 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1245 (safe_vector_operand, bfin_expand_binop_builtin,
1246 bfin_expand_unop_builtin): New functions.
1247 (bfin_expand_builtin): Handle the new builtins.
1248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1251 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1254 * Makefile.in (OBJS-common): Add see.o.
1255 (see.o): Add dependencies.
1256 * common.opt (fsee): New flag for the see optimization was added.
1257 * opts.c (flag_see): Initialized.
1258 * passes.c (init_optimization_passes, pass_see): New pass.
1259 * rtl.h (see_main): Declaration as extern.
1260 * timevar.def (TV_SEE): New.
1261 * tree-pass.h (pass_see): Declaration as extern.
1262 * invoke.texi (-fsee): Document.
1263 * recog.c (validate_simplify_insn): New function.
1264 * recog.h (validate_simplify_insn): Declaration as extern.
1265 * df-problems.c (df_chain_dump): Check for NULL.
1267 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1268 Daniel Berlin <dberlin@dberlin.org>
1270 * cfgrtl.c (insert_insn_bb_end_new): New function.
1271 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1273 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1275 * df.h (struct web_entry): Moved from web.c.
1276 (union_defs): Declaration as extern.
1277 (unionfind_root): Likewise.
1278 (unionfind_union): Likewise.
1279 * web.c (struct web_entry): Moved to df.h.
1280 (unionfind_root): Remove static declaration.
1281 (unionfind_union): Likewise.
1282 (union_defs): Likewise and generalize to use callback function.
1283 (web_main): Update arguments for union_defs function call.
1285 2006-05-04 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/26447
1288 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1289 produce SSA_NAME copies before the store stmt to avoid
1290 breaking exception handling.
1292 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1295 * gimplify.c (omp_is_private): If var is shared in some outer context,
1296 return false instead of true. Stop searching on parallel context
1299 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1302 * coverage.c: Use get_gcov_unsigned_t() instead of
1303 unsigned_type_node all over.
1305 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1307 PR tree-optimization/27381
1308 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1309 maintain the same immediate_use links.
1310 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1311 node rather than segfaulting.
1313 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1316 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1317 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1318 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1320 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1322 Fix PR tree-optimization/26626
1323 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1325 * tree-ssa-operands.c (access_can_touch_variable): Allow
1326 typecasting through union pointers.
1328 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1331 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1332 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1333 to find if var will be a global variable even in the nested context.
1334 (omp_copy_decl): Only check for global variable at the end, it might
1335 be overridden in outer contexts.
1336 (scan_sharing_clauses): For global variables don't create a field.
1337 (lower_rec_input_clauses): Do nothing for global shared variables.
1338 Emit a barrier at the end of ILIST if there were any decls in both
1339 firstprivate and lastprivate clauses.
1340 (lower_send_clauses): Do nothing for global variables except for
1343 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1345 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1346 of the correct signedness is returned.
1348 2006-05-02 Jeff Law <law@redhat.com>
1350 PR tree-optimization/27364
1351 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1352 multiply expressions.
1354 2006-05-02 Tom Tromey <tromey@redhat.com>
1356 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1358 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1361 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1362 -mthumb -fPIC are used.
1364 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1365 Joshua Kinard <kumba@gentoo.org>
1368 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1369 with 64-bit pointers.
1371 2006-05-02 Paul Brook <paul@codesourcery.com>
1373 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1375 (create_fix_barrier): Check that a suitable barrier location is
1377 (arm_reorg): Include ftmp->address in allowable range of addresses.
1379 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1382 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1385 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1388 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1389 around RESULT_DECL for result passed by reference.
1390 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1391 * omp-low.c (use_pointer_for_field): Don't look at
1392 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1393 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1394 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1395 time or var for passing by reference for
1396 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1397 TREE_ADDRESSABLE variables when passing by reference.
1399 * omp-low.c (dump_omp_region): Fix output formatting.
1402 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1403 (expand_omp_parallel): Likewise.
1404 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1407 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1408 on statement list containing also constructors and destructors.
1409 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1412 * except.c (duplicate_eh_regions): Fix clearing of
1413 cfun->eh->region_array entries.
1415 2006-05-01 DJ Delorie <dj@redhat.com>
1417 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1419 (gcc_cv_objdump): Likewise.
1420 * configure: Regenerated.
1422 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1425 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1426 templates for case 3 and 4.
1428 2006-05-01 DJ Delorie <dj@redhat.com>
1430 * vec.c: Include bconfig.h when appropriate.
1431 * Makefile.in (build/vec.o): Adjust dependencies.
1432 * mkconfig.sh: Make sure config.h isn't used for build machine
1435 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1437 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1439 (mark_phi_for_rewrite): New function.
1440 (insert_phi_nodes_for, mark_use_interesting): Call
1441 mark_phi_for_rewrite.
1442 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1443 (update_ssa): Initialize and free phis_to_rewrite.
1445 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1447 PR rtl-optimization/27291
1448 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1449 folded to a constant.
1451 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1453 PR tree-optimization/27283
1454 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1455 not whole # of iteration descriptions.
1456 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1457 uses abnormal ssa name.
1458 (niter_for_single_dom_exit): Ditto.
1459 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1460 return just the number of iterations.
1462 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1464 PR tree-optimization/27144
1465 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1466 (record_estimate): Only record constant upper bound.
1467 (infer_loop_bounds_from_undefined): Call
1468 compute_estimated_nb_iterations just once.
1469 (proved_non_wrapping_p): Renamed to ...
1470 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1471 (convert_step_widening, scev_probably_wraps_p): Call
1472 n_of_executions_at_most instead of proved_non_wrapping_p.
1473 (substitute_in_loop_info): Do not replace values in bounds.
1474 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1477 2006-05-01 Richard Henderson <rth@redhat.com>
1480 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1481 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1484 2006-05-01 Roger Sayle <roger@eyesopen.com>
1486 * c-typeck.c (parser_build_binary_op): Don't call the function
1487 unsigned_conversion_warning to spot operand/result type overflow.
1488 (build_binary_op): Instead, call convert_and_check instead of
1489 convert to report the problem when the operands are promoted.
1490 * c-common.c (unsigned_conversion_warning): Make static.
1491 * c-common.h (unsigned_conversion_warning): Delete prototype.
1493 2006-05-01 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/26726
1496 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1498 (find_interesting_uses_address): ... we work around here
1499 by folding INDIRECT_REFs in the substituted base.
1501 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1503 * omp-low.c (dump_omp_region): Add newlines.
1505 2006-04-30 Roger Sayle <roger@eyesopen.com>
1507 * common.opt (Woverflow): New command line option.
1508 * c-common.c (constant_expression_warning): Check warn_overflow.
1509 (overflow_waring): Pass OPT_Woverflow to warning.
1510 (unsigned_conversion_warning): Likewise.
1511 (convert_and_check): Likewise.
1512 * doc/invoke.texi: Document new command line option.
1514 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1516 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1517 TARGET_NO_FP_IN_TOC for section anchors.
1518 (optimization_options): Enable section anchors for all
1519 non-"Objective" languages.
1521 2006-04-28 Eric Christopher <echristo@apple.com>
1523 * config/darwin-c.c (darwin_ms_struct): Move this
1524 (darwin_set_default_type_attributes): and this...
1525 * config/darwin.c: ... here.
1526 * config/darwin.h (darwin_ms_struct): Declare.
1528 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1530 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1532 2006-04-28 Roger Sayle <roger@eyesopen.com>
1535 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1536 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1537 an unsigned HOST_WIDE_INT.
1538 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1540 (really_start_incremental_init): No need to call convert because
1541 bitsize_zero_node is already of type bitsizetype.
1542 (push_init_level): Extract the value of constructor_index as an
1543 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1544 (process_init_element): Likewise.
1546 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1548 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1549 value before passing to make_relative_prefix.
1551 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1554 * builtins.c (expand_builtin_memset): Expand val in original mode.
1556 2006-04-27 Eric Christopher <echristo@apple.com>
1558 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1559 with #ifndef/#endif.
1560 * config/darwin-c.c (darwin_ms_struct): New.
1561 (darwin_pragma_ms_struct): Ditto.
1562 (darwin_set_default_type_attributes): Ditto.
1563 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1564 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1565 Register ms_struct pragma.
1566 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1567 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1568 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1569 darwin_set_default_type_attributes if TARGET_MACHO.
1571 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1573 PR tree-optimization/26854
1574 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1575 * doc/tree-ssa.texi: Update immuse iterator documentation.
1576 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1578 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1579 first_safe_imm_use, next_safe_imm_use): Remove.
1580 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1581 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1582 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1583 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1584 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1585 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1586 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1587 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1588 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1589 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1590 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1591 (perfect_nestify): Use new iterator.
1592 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1594 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1595 (next_imm_name): New field in struct immediate_use_iterator_d.
1596 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1597 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1598 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1599 * tree-cfg.c (replace_uses_by): Use new iterator.
1600 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1601 * tree-ssa-operands.c (correct_use_link): Remove.
1602 (finalize_ssa_use_ops): No longer call correct_use_link.
1604 2006-04-27 Stuart Hastings <stuart@apple.com>
1606 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1607 * config/t-darwin (crt3.o): Use it.
1608 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1609 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1610 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1611 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1612 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1615 2006-04-27 Roger Sayle <roger@eyesopen.com>
1617 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1618 size, force the intermediate into a new pseudo rather instead of
1619 performing both a bitwise AND and a bitwise IOR in memory.
1621 2006-04-27 Richard Guenther <rguenther@suse.de>
1623 PR rtl-optimization/26685
1624 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1625 this one "max-flow-memory-locations".
1627 2006-04-27 Richard Guenther <rguenther@suse.de>
1629 PR tree-optimization/25148
1630 * tree-vrp.c (compare_values): Remove code dealing with
1631 comparisons against type min/max value. Honour overflow
1632 and negative constants in code dealing with comparisons
1633 of plus and minus expressions.
1634 (value_inside_range): Use fold_binary with LE_EXPR and
1635 GE_EXPR rather than compare_values.
1637 2006-04-27 Dirk Mueller <dmueller@suse.de>
1639 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1642 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1644 * basic-block.h (safe_insert_insn_on_edge): Removed.
1645 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1647 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1648 Paolo Bonzini <bonzini@gnu.org>
1651 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1652 (simplify_and_const_int): Same.
1654 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1656 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1658 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1661 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1662 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1663 cgraph_global_info_ready.
1666 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1669 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1670 either decl or init is error_mark_node.
1673 * tree-flow.h (struct omp_region): Add sched_kind.
1674 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1675 instead of extracting omp for data.
1676 (expand_omp_for): Save extracted sched_kind.
1678 2006-04-25 Roger Sayle <roger@eyesopen.com>
1680 * expmed.c (store_bit_field): Also check whether the bitsize is
1681 valid for the machine's "insv" instruction before moving the
1682 target into a pseudo for use with the insv.
1683 * config/i386/predicates.md (const8_operand): New predicate.
1684 * config/i386/i386.md (extv, extzv, insv): Use the new
1685 const8_operand predicate where appropriate.
1687 2006-04-25 DJ Delorie <dj@redhat.com>
1689 * doc/install.texi (Specific): Clarify that this is not a list of
1690 supported hosts or targets.
1692 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1694 PR rtl-optimization/26725
1695 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1696 block's BB_DIRTY flag.
1698 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1700 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1703 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1704 to print an integer.
1706 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1708 * varasm.c (align_variable): New function.
1709 (get_block_for_decl): Apply align_variable to DECL before
1710 calculating section information.
1711 (assemble_variable): Split out alignment computation.
1713 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1715 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1718 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1720 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1721 MODE_PARTIAL_INT mode.
1722 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1723 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1725 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1726 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1728 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1730 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1732 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1733 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1734 MACFLAG_IH): Likewise.
1735 (movstricthi_1): Renamed from "*movstricthi".
1736 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1737 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1738 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1739 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1740 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1741 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1742 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1743 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1744 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1745 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1746 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1747 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1748 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1749 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1750 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1752 * doc/rtl.texi (ss_ashift): Improve wording.
1754 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1756 * dwarf2out.c (verify_marks_clear): New.
1757 (prune_unused_types): Call verify_marks_clear initially, not
1760 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1762 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1763 * doc/rtl.texi: Document them.
1764 * simplify-rtx.c (simplify_unary_operation,
1765 simplify_binary_operation_1): Don't abort when we see them.
1767 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1770 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1771 * configure.ac: Completely disregard languages that are not
1773 * configure: Regenerated.
1775 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1776 Richard Guenther <rguenther@suse.de>
1778 PR tree-optimization/27236
1779 * tree-inline.c (copy_body_r): Make sure to copy
1780 TREE_THIS_VOLATILE flag.
1782 2006-04-24 Richard Guenther <rguenther@suse.de>
1785 * tree-complex.c (update_parameter_components): Don't handle
1786 unused parameters which have no default def.
1788 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1789 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/27218
1792 * tree-inline.c (expand_call_inline): Strip useless type
1793 conversions for the return slot address.
1795 2006-04-24 Richard Guenther <rguenther@suse.de>
1797 * cfgloop.h (struct loops): Remove unused field array. Reorder
1799 (LOOP_PREFETCH): Remove.
1801 2006-04-24 Richard Guenther <rguenther@suse.de>
1803 PR tree-optimization/22525
1804 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1805 variable, adjust types of generated expressions.
1807 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1809 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1810 (tree-vect-patterns.o): Likewise.
1812 (cselib.o): Likewise.
1813 (loop-doloop.o): Likewise.
1814 (regclass.o): Likewise.
1815 (reload1.o): Likewise.
1816 (explow.o): Replace target.h with $(TARGET_H).
1817 (ipa-prop.o): Likewise.
1818 (ipa-cp.o): Likewise.
1819 (ipa-inline.o): Likewise.
1820 (reorg.o): Likewise.
1821 (reg-stack.o): Likewise.
1823 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1825 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1827 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1829 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1831 * configure.ac: Completely disregard languages that are not
1833 * configure: Regenerated.
1836 * c-common.h (c_build_bitfield_integer_type): Declare.
1837 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1838 * c-common.c (c_build_bitfield_integer_type): ... here.
1840 2006-04-23 Roger Sayle <roger@eyesopen.com>
1843 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1844 a SImode SUBREG of a floating point register after no_new_pseudos.
1846 2006-04-23 Roger Sayle <roger@eyesopen.com>
1848 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1849 identify potentially eliminable registers to additionally catch
1850 VIRTUAL_INCOMING_ARGS_REGNUM.
1851 (addsi3): Update the conditions on when to use addsi_small_int.
1853 2006-04-23 Roger Sayle <roger@eyesopen.com>
1856 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1857 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1858 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1860 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1862 * fold-const.c (range_predecessor): Use operand_equal_p
1863 as the predicate for equality.
1864 (range_successor): Likewise.
1866 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1869 * config/soft-fp/op-common.h: Fix a typo.
1871 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1874 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1875 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1877 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1879 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1881 * doc/tm.texi: Fix a typo.
1883 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1885 * dwarf2out.c (struct die_struct): Document that die_sib makes
1886 a circular linked list.
1887 (FOR_EACH_CHILD): New.
1888 (reverse_die_lists): Delete.
1889 (reverse_all_dies): Delete.
1890 (add_dwarf_attr): Correct documentation.
1891 (remove_child_with_prev): New.
1892 (remove_child_TAG): Update for change to die_struct, use
1893 remove_child_with_prev.
1894 (add_child_die): Update for change to die_struct.
1895 (splice_child_die): Use remove_child_with_prev and add_child_die.
1896 (print_die): Use FOR_EACH_CHILD.
1897 (die_checksum): Likewise.
1898 (assign_symbol_names): Likewise.
1899 (output_location_lists): Likewise.
1900 (build_abbrev_table): Likewise.
1901 (calc_die_sizes): Likewise.
1902 (mark_dies): Likewise.
1903 (unmark_dies): Likewise.
1904 (unmark_all_dies): Likewise.
1905 (output_die): Likewise.
1906 (prune_unused_types_mark): Likewise.
1907 (prune_unused_types_walk): Likewise.
1908 (same_die_p): Update for change to die_struct.
1909 (break_out_includes): Likewise.
1910 (prune_unused_types_prune): Likewise.
1911 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1912 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1914 (dwarf2out_finish): Don't call reverse_all_dies.
1916 2006-04-21 Eric Christopher <echristo@apple.com>
1918 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1919 in comments and function names.
1921 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1924 * c-typeck.c (digest_init): Robustify.
1926 * c-typeck.c (pop_init_level): Simplify.
1928 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1930 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1932 2006-04-21 Paul Brook <paul@codesourcery.com>
1934 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1935 hardware floating point.
1937 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1939 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1942 2006-04-21 Nick Clifton <nickc@redhat.com>
1944 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1947 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1950 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1951 C++ lang type in traceback table for Objective-C++.
1953 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1955 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1957 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1959 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1962 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1963 were errors. Remove check for erroneous objects.
1965 2006-04-20 Jeff Law <law@redhat.com>
1967 PR tree-optimization/26854
1968 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1969 checking for zero or one use.
1970 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1971 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1972 * tree-ssa-reassoc.c (negate_value): Similarly.
1973 (reassociate_bb): Similarly.
1975 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1977 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1978 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1979 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1981 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1983 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1984 fp regs if the last fp arg doesn't fit in regs.
1986 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1989 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1990 that the last insn has the REG_INC note.
1992 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1993 Nathan Sidwell <nathan@codesourcery.com>
1996 * stor-layout.c (update_alignment_for_field): Do not align
1998 (place_union_field): Place union field at the start of the union.
1999 (place_field): Move ERROR_MARK check later, and use the current
2000 allocation position to maintain monotonicity.
2002 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2004 * dominance.c: Include timevar.h.
2005 (calculate_dominance_info): Use TV_DOMINANCE.
2006 * timevar.def (TV_DOMINANCE): New timevar.
2007 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2009 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2011 PR rtl-optimization/14261
2012 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2013 move would be an INSV insn.
2014 (noce_process_if_block): Don't optimize if the destination is a
2015 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2017 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2019 * config/s390/s390.md: Add comments with the instructions emitted
2020 by an insn pattern if macros are used.
2022 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2024 PR rtl-optimization/26026
2025 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2026 is a known power of two shifted left a variable amount.
2028 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2030 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2031 to hash table twice when the debug_str section has SECTION_MERGE.
2033 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2035 * config/soft-fp: New directory. From glibc.
2036 * config/soft-fp/t-softfp: New.
2037 * config/soft-fp/README: New.
2038 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2039 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2040 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2041 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2042 * config.gcc: Use rs6000/t-fprules-fpbit or
2043 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2045 * config/rs6000/sfp-machine.h: New. Based on glibc.
2046 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2048 * config/rs6000/t-fprules: Remove fp-bit rules.
2049 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2050 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2051 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2052 (softfp_wrap_start, softfp_wrap_end): New.
2054 2006-04-18 DJ Delorie <dj@redhat.com>
2056 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2058 2006-04-18 Devang Patel <dpatel@apple.com>
2060 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2062 2006-04-18 Nick Clifton <nickc@redhat.com>
2064 * config/sh/t-symbian: Add rule to build sh-c.o
2065 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2066 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2067 (sh_symbian_encode_section_info): Likewise.
2069 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2071 * builtins.c (expand_builtin_strcmp): Cover label definition of
2072 do_libcall with HAVE_cmpstrnsi.
2074 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2076 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2078 * function.h (temp_slot_p): New.
2079 (function): Change the type of x_used_temp_slots to
2080 VEC(temp_slot_p,gc) *.
2082 2006-04-18 Nick Clifton <nickc@redhat.com>
2084 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2085 flag_strength_reduce.
2087 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2089 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2093 Partial revert of revision 112637
2094 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2095 Dale Johannesen <dalej@apple.com>
2098 * regclass.c (struct reg_pref): Update documentation.
2099 (regclass): Set prefclass to NO_REGS if memory is the best option.
2100 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2102 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2104 PR tree-optimization/26821
2105 * tree-ssa-math-opts.c (get_constant_one): New.
2106 (insert_reciprocals): Use it.
2108 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2110 * dwarf2out.c (free_AT): Delete.
2111 (remove_AT): Update string ref counts.
2112 (remove_child_TAG): Don't call free_die.
2114 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2115 or DW_TAG_GNU_EINCL.
2116 (prune_unused_types_walk_attribs): Reset string refcounts.
2117 (prune_unused_types_update_strings): New.
2118 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2119 call free_die. Do call prune_unused_types_update_strings.
2120 (prune_unused_types): Empty debug_str_hash.
2122 2006-04-17 Roger Sayle <roger@eyesopen.com>
2124 * expr.c (expand_assignment): Optimize away no-op moves where the
2125 source and destination are equal and have no side-effects.
2127 2006-04-17 Richard Guenther <rguenther@suse.de>
2130 * reload.c (push_reload): Guard calls to get_secondary_mem
2133 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2135 * alias.c (reg_base_value, old_reg_base_value): Change the
2136 type to VEC(rtx,gc) *.
2137 (REG_BASE_VALUE, find_base_value, record_set,
2138 init_alias_analysis): Use VEC instead of VARRAY.
2140 * alias.c (alias_sets): Change the type to
2141 VEC(alias_set_entry,gc) *.
2142 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2143 VEC instead of VARRAY.
2144 (last_alias_set): Remove.
2146 * cgraph.h (cgraph_edge_p): New.
2147 Update the prototype of cgraph_function_versioning.
2148 * cgraphunit.c (cgraph_copy_node_for_versioning,
2149 cgraph_function_versioning): Use VEC instead of VARRAY.
2150 * ipa-cp.c (ipcp_insert_stage): Likewise.
2152 2006-04-16 Roger Sayle <roger@eyesopen.com>
2155 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2156 "A op B" or "A op C", we may need to convert A to the type of B and C.
2158 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2160 * target.h (struct gcc_target): Add mode_rep_extended.
2161 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2162 (init_num_sign_bit_copies_in_rep): Initialize it using
2164 (truncate_to_mode): Use it.
2165 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2166 * targhooks.h (default_mode_rep_extended): Declare it.
2167 * targhooks.c (default_mode_rep_extended): Define it.
2168 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2169 default_mode_rep_extended.
2170 (TARGET_INITIALIZER): Include it.
2171 * doc/tm.texi (Misc): Document it.
2172 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2173 (mips_truncated_to_mode): New function.
2175 2006-04-16 Roger Sayle <roger@eyesopen.com>
2178 * expr.c (compress_float_constant): Copy the narrow constant into
2179 a new pseudo before extending it to its final width.
2181 2006-04-16 Roger Sayle <roger@eyesopen.com>
2182 Andrew Pinski <pinskia@gcc.gnu.org>
2183 Dale Johannesen <dalej@apple.com>
2186 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2187 special case code to implement V8HImode and V16QImode with SSE2.
2189 2006-04-15 Roger Sayle <roger@eyesopen.com>
2191 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2192 trees are constructed with a suitable tree type.
2194 2006-04-15 Roger Sayle <roger@eyesopen.com>
2196 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2197 (integer_onep): Likewise.
2198 (integer_all_onesp): Likewise.
2199 (integer_pow2p): Likewise.
2200 (integer_nonzerop): Likewise.
2201 (real_zerop): Likewise.
2202 (real_onep): Likewise.
2203 (real_twop): Likewise.
2204 (real_minus_onep): Likewise.
2205 (int_size_in_bytes): Likewise.
2206 (host_integerp): Likewise.
2208 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2210 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2211 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2212 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2214 * tree-ssa-structalias.h (alias_info): Remove num_references.
2216 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2218 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2219 (output_bvb patterns): Likewise.
2220 * pa.c (output_bb): Use 'bb' insn for long branch case.
2221 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2222 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2223 1. Correct length operand for alternatives 1 and 2.
2224 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2225 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2227 2006-04-14 Roger Sayle <roger@eyesopen.com>
2229 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2230 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2231 were accidentally reverted by r112959.
2233 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2236 * except.h (eh_region_outermost): New prototype.
2237 * except.c (eh_region_outermost): New function.
2238 * tree-cfg.c (find_outermost_region_in_block): Use it.
2240 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2242 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2244 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2245 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2246 (init_reload, reload): Use VEC instead of VARRAY.
2247 * reload.h: Update the prototype for
2248 reg_equiv_memory_loc_varray.
2250 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2251 Eric Botcazou <ebotcazou@libertysurf.fr>
2253 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2256 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2259 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2260 to expand fallback builtin function call.
2262 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2265 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2266 and emit libcall here in case the builtin fails.
2267 (expand_builtin_strcmp): Always emit the libcall here on failure.
2269 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2271 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2272 * flow.c (reg_n_info): Change the type to
2273 VEC(reg_info_p,heap) *.
2274 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2276 * regs.h (reg_info_p): New.
2277 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2278 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2279 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2282 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2284 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2286 * params.h (MAX_SCHED_READY_INSNS): New macro.
2287 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2288 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2289 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2290 the ready list for 1 cycle during the first scheduling pass.
2291 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2293 2006-04-13 Richard Henderson <rth@redhat.com>
2296 * gimple-low.c (lower_omp_directive): Remove dead code.
2297 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2298 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2299 * omp-low.c (struct omp_region): Move to tree-flow.h.
2300 (root_omp_region): Export.
2301 (omp_regions, lookup_omp_region): Remove.
2302 (determine_parallel_type): Update for struct omp_region changes.
2303 (dump_omp_region): Dump regions with block numbers.
2304 (new_omp_region): Take type and block instead of stmt; malloc
2306 (free_omp_region_1, free_omp_regions): New.
2307 (expand_parallel_call): Take entry_stmt as argument; update for
2308 changes to omp_region.
2309 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2310 (remove_exit_barriers): New.
2311 (expand_omp_parallel): Update for struct omp_region changes.
2312 (expand_omp_synch): Likewise.
2313 (expand_omp): Likewise.
2314 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2315 (expand_omp_for_static_chunk): Likewise.
2316 (expand_omp_for): Likewise.
2317 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2318 (expand_omp_sections): Similarly, with GOMP_sections_end.
2319 (expand_omp_single): New.
2320 (build_omp_regions_1): Update for OMP_CONTINUE.
2321 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2322 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2323 OMP_SECTIONS_SECTIONS.
2324 (lower_omp_single_simple): Don't emit barrier here.
2325 (lower_omp_single_copy): Likewise.
2326 (lower_omp_single): Fix bindings, and lower to straightline now.
2327 (lower_omp_master, lower_omp_ordered): Likewise.
2328 (lower_omp_critical): Likewise.
2329 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2330 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2331 omp edges, free it afterward.
2332 (make_omp_sections_edges): Remove.
2333 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2334 (move_stmt_r): Handle OMP_CONTINUE.
2335 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2336 statement pointers to basic blocks. Add type member.
2337 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2338 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2339 * tree-inline.c (estimate_num_insns_1): Likewise.
2340 * tree-pretty-print.c (dump_generic_node): Likewise.
2341 * tree-ssa-operands.c (get_expr_operands): Likewise.
2342 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2343 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2344 (OMP_CONTINUE): New.
2345 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2346 (OMP_SECTIONS_SECTIONS): Remove.
2347 (OMP_SECTION_LAST): New.
2348 (OMP_RETURN_NOWAIT): New.
2350 2006-04-13 Roger Sayle <roger@eyesopen.com>
2352 * fold-const.c (native_encode_vector, native_interpret_real):
2353 Correct obvious mistakes in the previous check-in.
2355 2006-04-13 Roger Sayle <roger@eyesopen.com>
2357 * fold-const.c (native_encode_expr): New function to encode
2358 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2359 or VECTOR_CST into a specified buffer.
2360 (native_encode_int): New function.
2361 (native_encode_real): New function.
2362 (native_encode_complex): New function.
2363 (native_encode_vector): New function.
2364 (native_interpret_expr): Inverse of native_encode_expr to convert
2365 a target representation into an INTEGER_CST, REAL_CST etc...
2366 (native_interpret_int): New function.
2367 (native_interpret_real): New function.
2368 (native_interpret_complex): New function.
2369 (native_interpret_vector): New function.
2370 (fold_view_convert_expr): New function to constant fold/evaluate
2371 a VIEW_CONVERT_EXPR of a suitable constant expression.
2372 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2373 Change call of build1 to fold_build1 when constructing a
2376 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2377 Ulrich Weigand <uweigand@de.ibm.com>
2380 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2383 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2386 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2387 optimize to lo_sum for DFmode if !TARGET_FPRS.
2389 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2391 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2392 delete_alias_info, compute_flow_sensitive_aliasing,
2393 group_aliases): Use VEC instead of VARRAY.
2394 * tree-ssa-structalias.c (update_alias_info): Likewise.
2395 * tree-ssa-structalias.h (alias_info): Change the type of
2396 processed_ptrs to VEC(tree,heap) *.
2398 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2401 * config/sh/lib1funcs.h: New file, broken out of:
2402 * config/sh/lib1funcs.asm.
2403 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2405 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2406 * config/sh/lib1funcs-Os-4-200.asm: New file.
2407 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2408 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2409 (EXTRA_MULTILIB_PARTS): Include it.
2410 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2411 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2412 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2413 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2416 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2418 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2419 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2420 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2422 * tree-ssa-live.h: Include vecprim.h.
2423 (tree_partition_associator_d): Change the type of
2424 first_partition to VEC(int,heap) *.
2425 (tpa_first_partition): Use VEC instead of VARRAY.
2427 * Makefile.in (GTFILES): Move functions.h after tree.h.
2428 * function.c (reset_block_changes, record_block_change,
2429 check_block_change, free_block_changes): Use VEC instead of
2431 * function.h (function): Change the type of
2432 ib_boundaries_block to VEC(tree,gc) *.
2433 * tree-inline.c (copy_cfg_body): Initialize
2434 ib_boundaries_block to NULL instead of (varray_type) 0.
2436 2006-04-12 Roger Sayle <roger@eyesopen.com>
2438 * expr.c (emit_group_store): Correct operand order in call to
2439 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2440 a SUBREG_BYTE of zero.
2442 2006-04-12 Richard Guenther <rguenther@suse.de>
2444 * profile.c (compute_branch_probabilities): Remove code
2445 encapsulated in !ir_type (), which are remanents of the
2446 removed RTL profiling code.
2447 * rtl-profile.c: Remove.
2449 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2451 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2452 magic NULL_RTX comment.
2453 (function_arg): Store entire fp arg to mem if any part should go
2455 (rs6000_arg_partial_bytes): Adjust for above change.
2457 2006-04-11 Roger Sayle <roger@eyesopen.com>
2459 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2460 if it hasn't been initialized by dwarf2out_init.
2462 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2464 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2465 symbolic constants in branch patterns.
2467 2006-04-11 Roger Sayle <roger@eyesopen.com>
2469 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2471 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2473 PR rtl-optimization/27073
2474 * gcse.c (try_replace_reg): Revert last change. Continue to search
2475 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2478 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2480 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2481 aggregate types other than record and union types.
2482 (function_arg): Likewise.
2483 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2485 (function_value): In 64-bit mode, return objects that require it
2488 2006-04-11 Roger Sayle <roger@eyesopen.com>
2490 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2492 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2494 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2496 2006-04-03 Jeff Law <law@redhat.com>
2499 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2500 alias information too.
2502 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2504 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2506 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2509 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2510 (premark_used_types_helper): New.
2511 (premark_used_types): New.
2512 (gen_subprogram_die): Call premark_used_types.
2513 (prune_unused_types_walk): Do not prune perennial dies.
2514 * function.c (used_types_insert): New.
2515 * function.h (struct function): Add used_types_hash field.
2516 (used_types_insert): Add prototype.
2517 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2518 * c-parser.c (c_parser_cast_expression): Save casted types in used
2521 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2524 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2525 rs6000_explicit_options.float_gprs.
2527 2006-04-10 Roger Sayle <roger@eyesopen.com>
2529 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2530 from ix86_expand_vector_init_low_nonzero. Take an additional
2531 one_var argument indicating which element is non-zero. Support
2532 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2533 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2534 with one_var instead of ix86_expand_vector_init_low_nonzero.
2536 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2538 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2539 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2540 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2541 build/genextract.o): Depend on vecprim.h.
2542 * cfglayout.c, df-problems.c, function.c, genextract.c,
2543 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2544 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2548 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2550 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2551 Declare VECs of this type.
2552 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2553 (remove_children): Delete.
2554 (add_dwarf_attr): Use VEC routines.
2555 (add_AT_flag): Update for changes to add_dwarf_attr.
2556 (add_AT_int): Likewise.
2557 (add_AT_unsigned): Likewise.
2558 (add_AT_long_long): Likewise.
2559 (add_AT_vec): Likewise.
2560 (add_AT_string): Likewise.
2561 (add_AT_die_ref): Likewise.
2562 (add_AT_fde_ref): Likewise.
2563 (add_AT_loc): Likewise.
2564 (add_AT_loc_list): Likewise.
2565 (add_AT_addr): Likewise.
2566 (add_AT_lbl_id): Likewise.
2567 (add_AT_lineptr): Likewise.
2568 (add_AT_macptr): Likewise.
2569 (add_AT_offset): Likewise.
2570 (add_AT_range_list): Likewise.
2571 (get_AT): Use VEC_iterate.
2572 (remove_AT): Use VEC_ordered_remove.
2573 (free_die): Fold remove_children into here; have it use VEC_iterate.
2574 (print_die): Use VEC_iterate on attrs.
2575 (reverse_die_lists): Don't reverse attr lists.
2576 (die_checksum): Use VEC_iterate on attrs.
2577 (same_die_p): Likewise.
2578 (output_location_lists): Likewise.
2579 (build_abbrev_table): Likewise.
2580 (size_of_die): Likewise.
2581 (unmark_all_dies): Likewise.
2582 (output_abbrev_section): Likewise.
2583 (output_die): Likewise.
2584 (prune_unused_types_walk_attribs): Likewise.
2586 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2588 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2590 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2593 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2595 2006-04-09 Roger Sayle <roger@eyesopen.com>
2597 * expr.c (store_constructor): Don't bother clearing target if
2598 we're about to assign a vector to it using vec_init_optab.
2600 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2602 * tree-ssa-alias.c (lhs_may_store_to): New function.
2603 (recalculate_used_alone): Handle LHS of calls.
2605 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2609 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2610 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2611 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2612 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2613 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2614 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2615 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2616 stubs. Add ".align 8" directives before all ".dword" directives.
2617 (GTHREAD_USE_WEAK): Revise comment.
2618 (TARGET_ATTRIBUTE_WEAK): Define.
2619 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2620 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2621 * stublib.c: New file.
2626 * pa.md (cbranch patterns): Revise arguments used in calls to
2627 output_cbranch, output_bb and output_bvd. Add long branch length
2629 (fbranch patterns): Handle long branches.
2630 (jump): Revise length check. Revise arguments for output_lbranch call.
2631 Add long branch length attributes.
2632 (decrement_and_branch_until_zero): Add long branch length attributes.
2633 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2634 Likewise. Revise arguments for output_parallel_addb and
2635 output_parallel_movb calls.
2636 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2637 output_parallel_movb and output_parallel_addb): Update prototypes.
2638 * pa.c (output_cbranch): Revise arguments. Correct handling of
2639 nullification in long branches.
2640 (output_lbranch): Add new argument to control extraction of delay
2642 (output_bb): Handle long branches.
2643 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2644 output_parallel_addb): Likewise.
2646 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2648 PR rtl-optimization/27073
2649 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2652 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2654 * tree.h (tree_memory_tag): Add old_used_alone.
2655 (SMT_OLD_USED_ALONE): New macro.
2656 * tree-ssa-alias.c (recalculate_used_alone): Stop
2657 marking things for renaming unnecessarily.
2659 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2661 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2662 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2663 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2664 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2665 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2666 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2667 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2668 spelling convensions.
2669 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2670 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2671 typos. Follow spelling conventions.
2673 2006-04-07 DJ Delorie <dj@redhat.com>
2675 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2676 passed on the stack.
2677 (m32c_init_cumulative_args): When a function returns a structure,
2678 always pass the pointer to that return area on the stack.
2679 (m32c_function_arg_advance): Don't increment the parameter number
2680 if we're processing the returned structure pointer.
2681 (pushm_info): Reverse order of registers.
2683 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2685 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2686 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2687 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2688 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2690 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2691 chrec_fold_multiply): Same.
2692 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2693 force_expr_to_var_cost): Same.
2694 * tree-mudflap.c (mf_xform_derefs_1): Same.
2695 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2697 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2699 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2700 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2703 2006-04-07 Jan Hubicka <jh@suse.cz>
2705 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2707 2006-04-07 Richard Guenther <rguenther@suse.de>
2709 PR tree-optimization/26135
2710 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2711 loads for store copy-prop.
2712 (copy_prop_visit_stmt): Likewise.
2714 2006-04-05 Robert Millan <robertmh@gnu.org>
2716 * config/i386/linux.h: Add a comment to mark macros that are
2717 being overriden in config/k*bsd-gnu.h.
2718 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2720 * config/knetbsd-gnu.h: Ditto.
2722 2006-04-06 Jan Hubicka <jh@suse.cz>
2726 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2729 2006-04-06 Mike Stump <mrs@apple.com>
2731 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2732 for HAVE_nonlocal_goto to be consistent.
2733 (expand_builtin_nonlocal_goto): Likewise.
2734 (expand_builtin_strcmp): Use #ifdef instead of #if
2735 for HAVE_cmpstrnsi to be consistent.
2737 2006-04-05 DJ Delorie <dj@redhat.com>
2739 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2742 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2744 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2745 got-relative addressing for anything but SImode.
2747 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2748 even if the calling function doesn't modify them.
2750 2006-04-05 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/26919
2753 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2754 to cgraph_estimate_size_after_inlining.
2756 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2758 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2760 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2762 PR tree-optimization/26996
2763 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2764 VECTOR_TYPE variables.
2766 2006-04-05 Richard Guenther <rguenther@suse.de>
2768 PR tree-optimization/26763
2769 * fold-const.c (fold_comparison): Move folding of
2770 PTR + CST CMP PTR + CST ...
2771 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2773 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2775 * doc/install.texi (Prerequisites): Refine some wording on
2776 bootstrapping and ksh.
2777 Move the version numbers of DejaGnu here from the testing section
2778 and fix casing of names.
2779 Fix markup and clarify wording for autogen requirements.
2780 Refer to GCJ instead of just java.
2781 Refer to SVN instead of CVS.
2782 Describe diffutils as useful instead of necessary.
2783 (Downloading the source): Refer to SVN instead of CVS.
2784 Adjust a link to our web site accordingly.
2785 (Configuration): Fix casing of Bison.
2786 (Building): Refer to SVN instead of CVS.
2787 Fix a sentence on the use of Bison and remove duplicate (and
2788 incorrect) version number of Bison requirement.
2789 Remove one redundant list of packages needed for building.
2790 (Specific): Avoid reference to CVS.
2792 2006-04-04 Eric Christopher <echristo@apple.com>
2794 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2795 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2796 (rs6000_handle_struct_attribute): New.
2797 (rs6000_ms_bitfield_layout_p): Ditto.
2799 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2801 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2802 NULL for dso parameter to atexit_common.
2804 2006-04-04 Eric Christopher <echristo@apple.com>
2806 * config/i386/i386.c (machopic_output_stub): Output \t
2807 between instructions and operands.
2809 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2811 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2812 satisfies_constraint_[IL] to explicit tests on value.
2814 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2816 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2817 set_nb_iterations_in_loop): Use build_int_cst instead of
2819 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2820 build_int_cst instead of convert.
2822 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2824 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2825 new value 2 for incoming.
2826 * function.c (expand_function_start): Call struct_value_rtx
2828 * config/sparc/sparc.md: Comment updated_return.
2829 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2830 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2831 struct return if sparc_std_struct_return and incoming is 2.
2832 (print_operand): Do not adjust return if
2833 sparc_std_struct_return.
2835 2006-04-04 Roger Sayle <roger@eyesopen.com>
2837 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2838 convert in the middle-end.
2839 * expr.c (store_expr, store_constructor, get_inner_reference,
2840 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2842 * tree.c (build_range_type): Likewise.
2844 2006-04-04 Tom Tromey <tromey@redhat.com>
2846 * doc/install.texi (Prerequisites): Mention jar.
2848 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2850 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2853 2006-04-04 Matthias Klose <doko@debian.org>
2855 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2856 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2859 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2861 * doc/extend.texi (Function Attributes): Rewrite visibility
2862 attribute documentation.
2863 * doc/invoke.texi (C++ Dialect Options): Rewrite
2864 -fvisibility-inlines-hidden documentation to describe something
2865 entirely different, although in practise compatible.
2866 (Code Gen Options): Warn about system headers in -fvisibility=
2869 * doc/extend.texi (Other Builtins): Document that
2870 __builtin_nan is a compile-time constant only when its argument
2873 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2875 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2876 trying to remove TRUNCATE check if all bits outside the new mode
2877 are identical to the sign bit.
2879 2006-04-03 Jeff Law <law@redhat.com>
2881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2882 and operand scanning in some common cases.
2884 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2885 Dale Johannesen <dalej@apple.com>
2888 * regclass.c (struct reg_pref): Update documentation.
2889 (regclass): Set prefclass to NO_REGS if memory is the best option.
2890 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2891 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2892 into account. For non-registers, equate an empty preferred
2893 reload class to a `!' in the constraint; move the if clause to
2894 do so after those that reject the insn.
2895 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2897 (find_dummy_reload): Likewise.
2898 * doc/tm.texi (Register Classes): Document what it means
2899 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2900 * config/i386/i386.c (ix86_preferred_reload_class): Force
2901 using SSE registers (and return NO_REGS for floating-point
2902 constants) if math is done with SSE.
2903 (ix86_preferred_output_reload_class): New.
2904 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2905 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2906 * config/i386/i386.md: Remove # register preferences.
2908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2911 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2912 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2913 the type of nb_iter.
2914 (instantiate_parameters_1): Convert the operands before calling
2915 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2916 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2918 2006-04-02 Roger Sayle <roger@eyesopen.com>
2920 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2921 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2923 * dojump.c (do_jump): Likewise.
2924 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2925 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2926 gimplify_boolean_expr): Likewise.
2927 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2928 * varasm.c (array_size_for_constructor): Likewise.
2929 * tree-object-size.c (compute_object_offset): Likewise.
2931 2006-04-02 Roger Sayle <roger@eyesopen.com>
2934 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2935 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2937 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2939 PR tree-optimization/26939
2940 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2944 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2945 at_stmt. Convert the type of operands before calling
2946 build_polynomial_chrec.
2947 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2949 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2950 (instantiate_parameters_1): Convert the type of operands before calling
2951 build_polynomial_chrec.
2952 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2953 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2954 reset_evolution_in_loop): Insert asserts to check the types of the
2956 (chrec_type): Moved...
2957 (eq_evolutions_p): Use operand_equal_p.
2958 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2959 the types of the operands.
2960 (chrec_type): ...here.
2961 * tree-data-ref.c (create_data_ref): Convert the operands before
2962 calling chrec_replace_initial_condition.
2963 (same_access_functions, analyze_subscript_affine_affine,
2964 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2965 (compute_subscript_distance, analyze_ziv_subscript,
2966 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2967 analyze_miv_subscript): Convert the operands before calling
2968 chrec_fold_minus or chrec_fold_plus.
2970 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2972 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2973 the dependence_relations vector.
2974 (compute_data_dependences_for_loop): Adjust call to
2975 compute_all_dependences.
2977 2006-04-01 Roger Sayle <roger@eyesopen.com>
2978 Richard Henderson <rth@redhat.com>
2980 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2981 gimple_boolify on the condition before calling gimplify_expr.
2983 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2985 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2986 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2987 the frame size. Update to use the new macros.
2988 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2989 * config/xtensa/ieee754-df.S: Likewise.
2991 2006-03-31 Richard Henderson <rth@redhat.com>
2993 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2994 (make_edges): ... here. Control fallthru creation with a local
2995 variable. Do not play with fake edges.
2996 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2997 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3000 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3002 * dwarf2.h (DW64_CIE_ID): Define.
3003 * dwarf2out.c (DWARF_CIE_ID): Define.
3004 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3005 length header. Use DWARF_CIE_ID.
3006 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3007 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3009 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3011 * config/sh/linux-atomic.asm: New file.
3012 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3014 2006-03-31 DJ Delorie <dj@redhat.com>
3016 * config/m32c/cond.md: Set condition flags properly throughout.
3017 * config/m32c/minmax.md: Likewise.
3018 * config/m32c/prologue.md: Likewise.
3019 * config/m32c/bitops.md: Likewise.
3020 * config/m32c/muldiv.md: Likewise.
3021 * config/m32c/mov.md: Likewise.
3022 * config/m32c/addsub.md: Likewise.
3023 * config/m32c/m32c.md: Likewise.
3024 * config/m32c/jump.md: Likewise.
3025 * config/m32c/shift.md: Likewise.
3027 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3028 conditionally output the pattern for this.
3029 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3030 (m32c_compare_redundant): New.
3031 (m32c_output_compare): New.
3032 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3034 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3035 dest, not src. Allow other 4-byte modes.
3037 2006-03-30 Denis Chertykov <denisc@overta.ru>
3039 * doc/md.texi: Refer to avr/constraints.md instead of
3042 2006-03-30 Roger Sayle <roger@eyesopen.com>
3044 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3045 signed vs. unsigned comparison failures on some hosts.
3047 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3050 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3051 change to FLOAT_REGS.
3053 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3054 (rs6000_override_options): Use it.
3055 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3056 only for -mabi=spe/no-spe and -mabi=altivec.
3058 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3060 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3063 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3065 * Makefile.in: Rename docdir to gcc_docdir.
3067 2006-03-30 Roger Sayle <roger@eyesopen.com>
3070 * expr.c (emit_group_store): Optimize group stores into a pseudo
3071 register by using a paradoxical subreg to initialize the destination
3072 if the first or last member of the group specifies a "low part".
3074 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3077 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3078 * target.h (struct gcc_target.speculate_insn): Change type of the
3079 second parameter to 'int'.
3080 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3081 the second operand of the DEPS_LIST.
3082 (copy_DEPS_LIST_list): Update reference to the second operand of the
3084 * rtl.h (alloc_DEPS_LIST): Update signature.
3085 * sched-int.h (ds_t): Change typedef to 'int'.
3086 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3088 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3090 * haifa-sched.c (try_ready): Change condition to restore
3091 non-speculative pattern of the instruction.
3092 (process_insn_depend_be_in_spec): Code to keep probability of the
3093 speculative dependence non-decreasing.
3095 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3097 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3098 (single_move_for_movmem): ... this. Also change all uses.
3099 (bfin_expand_strmov): Renamed to...
3100 (bfin_expand_movmem): ... this. Also change all uses.
3101 * config/bfin/bfin.md (movstrsi): Renamed to...
3102 (movstrsi): ...this.
3104 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3106 PR tree-optimization/26830
3108 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3109 (copy_prop_visit_stmt): Remove write-only variable ann.
3110 (init_copy_prop): Check variable loop depth here. Do not simulate
3111 memory-tag and virtual operand PHIs except for store copy prop.
3113 2006-03-30 Richard Guenther <rguenther@suse.de>
3115 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3116 variants with double arguments.
3118 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3120 * genpreds.c (write_tm_constrs_h): Delete variable p.
3121 * genconditions.c (write_header): Add tm-constrs.h to included
3123 * genpeep.c (main): Add toplev.h to included headers.
3124 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3125 (build/genpeep.o): Add toplev.h dependency.
3126 * config/rs6000/constraints.md: Add "W" constraint.
3128 2006-03-29 Roger Sayle <roger@eyesopen.com>
3130 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3131 sizes by correctly testing whether the size fits a host integer.
3132 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3133 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3134 SImode range for the default sizetype and bitsizetype.
3136 2006-03-29 Roger Sayle <roger@eyesopen.com>
3138 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3139 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3140 quickly if the argument is already of the correct type.
3141 Call fold_build1 instead of build1. Tidy up blank lines.
3143 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3145 * genemit.c (main): Add tm-constrs.h to included headers.
3146 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3147 * genpeep.c (main): Add tm-constrs.h to included headers.
3148 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3149 (write_tm_constrs_h): this and write complete file.
3150 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3151 (write_insn_preds_c): Add tm-constrs.h to included headers.
3152 (gen_constrs): New variable.
3153 (parse_option): Parse "-c".
3154 (main): Invoke write_tm_constrs_h.
3155 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3156 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3157 (object_out_file): Add tm-constrs.h dependency.
3158 (insn-emit.o): Same.
3159 (insn-output.o): Same.
3160 (insn-peep.o): Same.
3161 (insn-preds.o): Same.
3162 (insn-recog.o): Same.
3163 (tm-constsr.h): New target.
3164 (s-constrs-h): New target.
3166 * config/rs6000/constraints.md: New file.
3167 * config/rs6000/rs6000.c: Include tm-constrs.h.
3168 (num_insn_constant_wide): Convert to satisfies_constraint.
3169 (rs6000_rtx_costs): Convert to satisfies_constraint.
3170 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3171 (CONST_OK_FOR_LETTER_P): Delete.
3172 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3173 (EXTRA_CONSTRAINT): Delete.
3174 (EXTRA_MEMORY_CONSTRAINT): Delete.
3175 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3176 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3177 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3178 satisfies_constraint.
3180 * config/i386/i386.c: Include tm-constrs.h.
3182 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3184 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3185 * tree-data-ref.c (find_data_references_in_loop,
3186 compute_data_dependences_for_loop): Use pointers to VEC.
3187 (analyze_all_data_dependences): Adjust calls.
3188 * tree-data-ref.h (find_data_references_in_loop,
3189 compute_data_dependences_for_loop): Adjust declarations.
3190 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3191 compute_data_dependences_for_loop.
3193 2006-03-29 Paul Brook <paul@codesourcery.com>
3195 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3198 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3200 PR tree-optimization/26859
3201 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3203 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3204 for the step after fold_convert.
3206 2006-03-29 Paul Brook <paul@codesourcery.com>
3208 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3209 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3211 2006-03-29 Paul Brook <paul@codesourcery.com>
3214 * targhooks.c (default_narrow_bitfield): New fuction.
3215 * targhooks.h (default_narrow_bitfield): add prototype.
3216 * target.h (gcc_target): Add narrow_volatile_bitfield.
3217 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3218 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3219 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3220 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3222 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3224 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3226 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3227 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3228 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3229 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3230 (s390_function_arg_float): Allow SDmode and DDmode values to be
3231 passed in floating point registers.
3232 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3233 check with SCALAR_FLOAT_MODE_P.
3234 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3236 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3238 PR tree-optimization/25985
3239 * tree-ssa-loop-niter.c (number_of_iterations_le,
3240 number_of_iterations_ne): Make comments more precise.
3241 (number_of_iterations_cond): Add only_exit argument. Use the
3242 fact that signed variables do not overflow only when only_exit
3244 (loop_only_exit_p): New.
3245 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3246 number_of_iterations_cond.
3248 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3250 PR tree-optimization/26643
3251 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3254 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3256 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3257 (divsi3_i4_int): Likewise.
3259 2006-03-28 Roger Sayle <roger@eyesopen.com>
3261 * expr.c (emit_group_store): Only create a new pseudo reg if the
3262 quantity it needs to hold isn't already a suitable pseudo.
3264 2006-03-28 Jeff Law <law@redhat.com>
3266 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3267 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3269 2006-03-28 Roger Sayle <roger@eyesopen.com>
3271 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3272 the equivalent ~X & Y, and the symmetry related transformations.
3273 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3274 ~X & Y, and symmetry related transforms.
3276 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3278 Revert my 2006-03-27 patches.
3280 2006-03-28 Roger Sayle <roger@eyesopen.com>
3282 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3283 ~(T1)X, when T1 and T2 are integer types of the same precision
3284 and (T2)X isn't an extension.
3286 2006-03-28 Jeff Law <law@redhat.com>
3288 PR tree-optimization/26796
3289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3290 need EH edge cleanups rather than purging them immediately.
3291 (eliminate_degenerate_phis): Handle queued EH cleanups.
3293 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3295 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3298 2006-03-27 Roger Sayle <roger@eyesopen.com>
3301 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3302 cast BIT_NOT_EXPR operand to the correct type.
3304 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3306 * tree-loop-linear.c: Don't include varray.h.
3307 (gather_interchange_stats, try_interchange_loops,
3308 linear_transform_loops): Use VEC instead of VARRAY.
3309 * lambda-mat.c: Don't include varray.h.
3310 * tree-chrec.c: Same.
3311 * lambda-trans.c: Same.
3312 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3313 VEC instead of VARRAY.
3314 * tree-vectorizer.h: Idem.
3315 * tree-data-ref.c (dump_data_references,
3316 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3317 initialize_data_dependence_relation, finalize_ddr_dependent,
3318 compute_all_dependences, find_data_references_in_loop,
3319 compute_data_dependences_for_loop, analyze_all_data_dependences,
3320 free_dependence_relation, free_dependence_relations,
3321 free_data_refs): Idem.
3322 * tree-data-ref.h (data_reference_p, subscript_p): New.
3323 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3324 VEC instead of VARRAY.
3325 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3326 (find_data_references_in_loop, compute_data_dependences_for_loop,
3327 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3328 dump_data_dependence_relations, free_dependence_relations,
3329 free_data_refs): Adjust declaration.
3330 (lambda_transform_legal_p): Move declaration here...
3331 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3332 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3333 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3334 vect_analyze_data_refs): Use VEC instead of VARRAY.
3335 * lambda.h (lambda_transform_legal_p): ...from here.
3336 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3337 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3338 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3339 tree-chrec.o): Don't depend on VARRAY_H.
3341 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3343 * rtl.def (Copyright): Update date.
3344 (DEPS_LIST): Change type of the second operand to 'int'.
3345 * target.h (Copyright): Update date.
3346 (struct gcc_target.speculate_insn): Change type of the second parameter
3348 * lists.c (Copyright): Update date.
3349 (alloc_DEPS_LIST): Change signature. Update reference to the second
3350 operand of the DEPS_LIST.
3351 (copy_DEPS_LIST_list): Update reference to the second operand of the
3353 * rtl.h (Copyright): Update date.
3354 (alloc_DEPS_LIST): Update signature.
3355 * sched-int.h (Copyright): Update date.
3356 (ds_t): Change typedef to 'int'.
3357 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3359 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3361 * haifa-sched.c (Copyright): Update date.
3362 (try_ready): Change condition to restore non-speculative pattern
3364 (process_insn_depend_be_in_spec): Code to keep probability of the
3365 speculative dependence non-decreasing.
3367 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3369 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3370 shut up the compiler.
3372 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3374 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3375 to use lib prefix for target.
3376 ($(T)libic_invalidate_array_4-200.a): Likewise.
3377 ($(T)libic_invalidate_array_4a.a): Likewise.
3379 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3380 J"orn Rennecke <joern.rennecke@st.com>
3382 * superh.opt: New file.
3383 * sh.c (boardtype, osruntime): Remove.
3384 * superh.h (SUBTARGET_OPTIONS): Remove.
3385 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3387 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3388 arguments with ^ and/or [].
3390 * config.gcc (sh-*-*): Add quoting to account for quirk of
3392 Replace == with = in enable_incomplete_targets test.
3394 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3395 with MASK_LITTLE_ENDIAN.
3397 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3398 * config/sh/sh.opt: Added to some comments.
3399 * config/sh/superh.h: Removed some chaff.
3401 * config/sh/sh.opt: Add m4-[1234]00* options.
3402 * config/sh/sh.c (sh_handle_option): Likewise.
3403 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3404 (ic_invalidate_array_4-100.o): New rule.
3405 ($(T)libic_invalidate_array_4-100.a): Likewise.
3406 (ic_invalidate_array_4-200.o): Likewise.
3407 ($(T)libic_invalidate_array_4-200.a): Likewise.
3408 (ic_invalidate_array_4a.o): Likewise.
3409 ($(T)libic_invalidate_array_4a.a): Likewise.
3410 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3411 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3413 * config/sh/crt1.asm: Merged in profiling code.
3414 * config/sh/superh.h (STARTFILE_SPEC): Override.
3415 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3416 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3417 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3419 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3420 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3421 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3423 * sh.opt (mpretend-cmove): New option.
3424 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3425 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3426 (movsicc): Add TARGET_PRETEND_CMOVE code.
3428 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3430 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3431 s390_class_max_nregs): New function prototypes.
3432 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3433 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3434 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3435 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3437 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3439 * dwarf2out.c (add_location_or_const_value_attribute): Call
3440 tree_add_const_value_attribute if nothing else works.
3441 (reference_to_unused): New.
3442 (rtl_for_decl_init): Use reference_to_unused to decide whether
3443 to output an initializer.
3445 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3448 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3449 peephole removing spe frob_di_df_2.
3451 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3453 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3454 (subscript_dependence_tester_1): Declared.
3455 (print_dir_vectors, print_dist_vectors): New.
3456 (debug_data_dependence_relation): New.
3457 (dump_data_dependence_relation): Print more details.
3458 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3459 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3460 (save_dist_v, save_dir_v, add_outer_distances,
3461 build_classic_dist_vector_1): New.
3462 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3463 Don't test for lambda_vector_lexico_pos.
3464 (same_access_functions, add_multivariate_self_dist,
3465 add_other_self_distances, dir_from_dist): New.
3466 (build_classic_dir_vector): Replace implementation almost identical to
3467 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3469 (subscript_dependence_tester_1): New.
3470 (subscript_dependence_tester): Handle the lexicographically negative
3471 distance vectors by recomputing the dependence relation.
3472 (compute_affine_dependence): Remove parameter loop_nest_depth.
3473 (compute_self_dependence): Don't call compute_subscript_distance.
3474 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3475 Add a parameter for the loop_nest.
3476 (find_loop_nest_1, find_loop_nest): New.
3477 (compute_data_dependences_for_loop): Compute the loop nest, and give
3478 up if the nest is not well formed.
3479 * tree-data-ref.h (loop_p): New.
3480 (struct data_dependence_relation): Replace size_vect field with
3481 loop_nest, a vec of loops.
3482 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3483 (DDR_LOOP_NEST): New.
3484 (print_dir_vectors, print_dist_vectors,
3485 debug_data_dependence_relation): Declared.
3486 (index_in_loop_nest): New.
3487 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3488 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3491 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3493 * simplify-rtx.c (simplify_relational_operation): Call
3494 simplify_relational_operation_1 even if mode is VOIDmode.
3496 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3498 PR tree-optimization/26804
3499 * tree.h (DECL_CALL_CLOBBERED): New macro.
3500 (tree_decl_common): Add call_clobbered_flag.
3501 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3502 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3503 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3504 (mark_non_addressable): Ditto.
3505 * tree-ssa.c (verify_call_clobbered): New function.
3506 (verify_alias_info): Use it.
3507 * tree-pass.h (pass_reset_cc_flags): New prototype.
3508 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3509 (reset_cc_flags): New function.
3510 * passes.c (init_optimization_passes): Call reset_cc_flags after
3511 initializing referenced_vars.
3513 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3514 Roger Sayle <roger@eyesopen.com>
3517 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3518 to 1.0 for non-real operands. Implement A / A optimization for
3521 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3523 * config/i386/i386.c (size_cost): Correct the comment for
3524 cost of storing fp registers.
3525 (i386_cost): Likewise.
3526 (i486_cost): Likewise.
3527 (pentium_cost): Likewise.
3528 (pentiumpro_cost): Likewise.
3529 (k6_cost): Likewise.
3530 (athlon_cost): Likewise.
3531 (k8_cost): Likewise.
3532 (pentium4_cost): Likewise.
3533 (nocona_cost): Likewise.
3534 (generic64_cost): Likewise.
3535 (generic32_cost): Likewise.
3537 2006-03-24 Denis Chertykov <denisc@overta.ru>
3539 * config/avr/avr-protos.h (extra_constraint): Delete.
3540 (extra_constraint_Q): New declaration.
3541 * config/avr/constraints.md: New file.
3542 * config/avr/avr.md: Include it.
3543 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3544 (TMP_REGNO, ZERO_REGNO): Likewise.
3545 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3546 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3547 (extra_constraint): Delete.
3548 (extra_constraint_Q): Test for memory constraint 'Q'.
3549 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3550 (REG_CLASS_FROM_LETTER): Delete.
3551 (CONST_OK_FOR_LETTER_P): Delete.
3552 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3553 (EXTRA_CONSTRAINT): Delete.
3554 (TMP_REGNO): Delete.
3555 (ZERO_REGNO): Delete.
3557 2006-03-24 Jeff Law <law@redhat.com>
3559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3560 directly. Call mark_new_vars_to_rename slightly earlier.
3562 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3564 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3566 (gen_compile_unit_die): Use new language types for Objective-C and
3568 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3569 DW_LANG_C_plus_plus.
3572 * config/t-darwin (crt3.o): Work around bug 26840.
3573 * config/darwin-crt3.c: Rewrite.
3574 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3576 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3578 * doc/invoke.texi: Document -femit-class-debug-always
3579 * common.opt: Add -femit-class-debug-always.
3581 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3583 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3584 index and base register.
3585 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3586 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3587 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3588 REGNO_OK_FOR_INDEX_P.
3589 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3591 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3592 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3593 REG_OK_FOR_BASE_P): Definitions removed.
3595 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3598 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3599 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3600 set yet or weren't marked as local yet.
3602 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3604 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3607 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3609 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3610 (rs6000_legitimate_small_data_p): Delete.
3611 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3612 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3613 and make static. Add forward declaration. Update uses.
3614 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3615 of offsettable_memref_p.
3616 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3617 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3619 2006-03-24 Jeff Law <law@redhat.com>
3621 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3622 around bug in immediate-use iterator.
3624 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3627 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3628 or __LITTLE_ENDIAN__.
3630 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3632 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3633 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3634 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3635 * config/sh/sh.opt (mdiv=): Amend description.
3636 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3637 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3638 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3639 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3640 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3641 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3642 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3643 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3644 TARGET_DIVIDE_CALL_FP.
3646 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3648 * haifa-sched.c (choose_ready): Fix type of the local variable.
3649 Move local variables. Add comment.
3650 (check_reg_live): Change signature. Make callable from debugger.
3651 * sched-int.h (check_reg_live): Update signature.
3652 * sched-ebb.c (check_reg_live): Update parameters.
3653 * sched-rgn.c (check_reg_live): Ditto.
3654 (region_head_or_leaf_p): Check pointer before dereferencing.
3655 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3656 before reload on optimization levels below 1.
3658 2006-03-23 Richard Henderson <rth@redhat.com>
3660 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3664 * config/alpha/predicates.md (local_symbolic_operand): Reject
3667 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3670 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3671 expressions which have overflowed constants.
3673 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3675 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3677 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3679 * cfgloopmanip.c (create_loop_notes): Removed.
3680 * final.c (final_scan_insn): Do not handle loop notes.
3681 * jump.c (squeeze_notes): Ditto.
3682 * cfglayout.c (skip_insns_after_block,
3683 duplicate_insn_chain): Ditto.
3684 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3686 * cfgloop.h (create_loop_notes): Declaration removed.
3688 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3690 * varasm.c (output_constant_pool): Restore fnname and fndecl
3692 (assemble_start_function): Adjust call accordingly.
3693 (assemble_end_function): Likewise.
3695 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3698 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3701 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3703 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3706 * system.h (ICE_EXIT_CODE): New macro.
3707 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3708 (diagnostic_action_after_output): Likewise.
3709 * gcc.c (fatal_ice): New function.
3710 (execute): Use it instead of fatal.
3711 (fancy_abort): Likewise.
3712 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3714 2006-03-22 Jeff Law <law@redhat.com>
3716 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3717 iv_analyze_result returning false.
3719 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3721 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3723 2006-03-22 Richard Henderson <rth@redhat.com>
3726 * except.c (duplicate_eh_regions_0): New.
3727 (duplicate_eh_region_1): Duplicate the children of the node as
3728 well as the node itself. Link them up properly.
3729 (duplicate_eh_region_2): Merge into ...
3730 (duplicate_eh_regions): ... here. Take copy_region argument, and
3731 copy only a sub-tree if asked. Simplify copying and fixup.
3732 (eh_region_outer_p): New.
3733 * except.h (duplicate_eh_regions): Update decl.
3734 (eh_region_outer_p): Declare.
3735 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3736 (lower_omp_master): Likewise.
3737 (lower_omp_ordered): Likewise.
3738 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3739 (move_stmt_r): Use it to remap labels. Handle recursion vs
3740 remap_decls_p properly.
3741 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3742 (find_outermost_region_in_block): New.
3743 (new_label_mapper): New.
3744 (move_sese_region_to_fn): Copy eh information to the new function
3746 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3748 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3751 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3753 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3754 into shared libraries.
3756 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3758 * doc/md.texi: Refer to i386/constraints.md instead of
3760 * config/i386/constraints.md: New file, extracted from...
3761 * config/i386/predicates.md: ...here.
3762 * config/i386/i386.md: Include constraints.md.
3764 2006-03-21 Jason Merrill <jason@redhat.com>
3766 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3769 * expr.c (init_block_move_fn): Force default visibility.
3770 (init_block_clear_fn): Likewise.
3771 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3772 * targhooks.c (default_external_stack_protect_fail): Likewise.
3774 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3776 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3777 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3778 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3779 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3780 (loadgp): Use mips_current_loadgp_style.
3781 (loadgp_noshared): New pattern.
3782 (sibcall_internal): Use MIPS_CALL.
3783 (sibcall_value_internal): Likewise.
3784 (sibcall_value_multiple_internal): Likewise.
3785 (call_internal): Likewise.
3786 (call_value_internal): Likewise.
3787 (call_value_multiple_internal): Likewise.
3788 (call_split): Use MIPS_CALL and add an 'S' constraint.
3789 (call_value_split): Likewise.
3790 (call_value_multiple_split): Likewise.
3791 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3792 (-mshared): New option.
3793 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3794 (mips_current_loadgp_style): Declare.
3795 * config/mips/mips.c (mips_classify_symbol): Avoid using
3796 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3797 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3798 TARGET_ABSOLUTE_ABICALLS.
3799 (override_options): Adjust comments. Improve the warning that is
3800 issued when -mabicalls and -G are used together.
3801 (mips_file_start): Remove comment.
3802 (mips_current_loadgp_style): New function.
3803 (mips_gnu_local_gp): New variable.
3804 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3806 (mips_output_function_prologue): Use mips_current_laodgp_style.
3807 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3808 the cprestore instruction.
3809 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3810 live for TARGET_ABSOLUTE_ABICALLS.
3811 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3812 (ASM_SPEC): Pass down -mshared and -mno-shared.
3813 (MIPS_CALL): New macro.
3814 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3816 * doc/invoke.texi (-mabicalls): Update documentation.
3817 (-mshared): Document.
3819 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3821 * config/ia64/unwind-hpux.c: New file.
3822 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3824 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3827 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3829 2006-03-21 Jeff Law <law@redhat.com>
3831 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3832 type conversions of a VR_VARYING source to a wider type.
3834 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3836 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3837 tm_file on Solaris 10 and later.
3838 (sparc64-*-solaris2*): Likewise.
3839 (sparc-*-solaris2*): Likewise.
3840 * config/sol26.h: Rename to config/sol2-6.h.
3841 * config/sol2-10.h: New file.
3843 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3846 * tree-ssa-pre.c (create_component_ref_by_pieces):
3849 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3852 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3853 return it immediately.
3855 2006-03-21 Michael Matz <matz@suse.de>
3857 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3859 (remove_arc, add_arc): Update num_out_arcs member.
3860 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3862 (cache_presence): New function.
3863 (compare_states_for_equiv): New function.
3864 (state_is_differed): Don't take number of outargs, adjust callers.
3865 Use new invariant for speeding up.
3866 (init_equiv_class): Create initial classes based on sorted
3868 (partition_equiv_class): Don't track out_arcs_num.
3869 (evaluate_equiv_classes): Call cache_presence on all states and
3872 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3874 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3875 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3876 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3877 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3879 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3880 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3881 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3882 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3883 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3885 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3886 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3887 (REGNO_REG_CLASS): ARGP is in PREGS.
3888 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3890 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3891 to deal with those addresses.
3892 * addresses.h: New file.
3893 * caller-save.c: Include "addresses.h".
3894 (init_caller_save): Use new base_reg_class function.
3895 * rtl-factoring.c: Include "addresses.h".
3896 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3897 * recog.c: Include "addresses.h".
3898 (preprocess_constraints): Use new base_reg_class function.
3899 * regrename.c: Include "addresses.h".
3900 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3901 functions. Keep track of a new var INDEX_CODE to compute valid
3903 (replace_oldest_value_addr): Likewise.
3904 (replace_oldest_value_mem): Use base_reg_class.
3905 * reload.c: Include "addresses.h".
3906 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3907 (find_reloads): Use new base_reg_class function.
3908 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3909 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3910 all callers and prototype changed.
3911 * reload1.c: Include "addresses.h".
3912 (maybe_fix_stack_asms): Use base_reg_class.
3913 * regclass.c: Include "addresses.h".
3914 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3915 (init_reg_autoinc): Use new base_reg_class function.
3916 (record_reg_classes): Likewise.
3917 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3918 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3919 Use new args to compute necessary class.
3921 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3922 regrename.o, rtl-factoring.o): Update dependencies.
3923 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3924 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3925 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3926 REG_OK_FOR_INDEX_P): Delete documentation.
3928 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3930 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3931 from V7 to V9 for Solaris 7 and above.
3933 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3935 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3936 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3937 argument pointers may not alias any other storage.
3938 * common.opt: Define option -fargument-noalias-anything.
3939 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3940 alias semantics is specified by flag_argument_noalias > 2.
3942 2006-03-20 Jeff Law <law@redhat.com>
3944 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3945 (pass_phi_only_cprop): Declare.
3946 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3948 * tree-ssa-dom.c (degenerate_phi_result): New function.
3949 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3950 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3951 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3952 (eliminate_degenerate_phis): Likewise.
3953 (pass_phi_only_cprop): New pass descriptor.
3954 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3955 support code. Callers updated.
3956 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3957 (store_copy_prop): Likewise.
3958 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3960 2006-03-20 Jason Merrill <jason@redhat.com>
3963 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3964 (push_visibility, pop_visibility): Likewise.
3965 * c-pragma.h: Declare them.
3967 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3969 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3971 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3972 parameter and use get_ebb_head_tail.
3973 (sh_md_init_global): Adjust uses of find_regmode_weight.
3975 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3977 * function.h (struct function) <x_tail_recursion_reentry>:
3978 Rename to x_stack_check_probe_note.
3979 (tail_recursion_reentry): Rename to stack_check_probe_note.
3980 * function.c: Replace tail_recursion_reentry with
3981 stack_check_probe_note everywhere.
3982 (expand_function_start): Only emit a note for
3983 stack_check_probe_note with -fstack-protect.
3984 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3986 * emit-rtl.c (remove_unnecessary_notes): Remove.
3987 (pass_remove_unnecessary_notes): Remove.
3988 * rtl.h (remove_unnecessary_notes): Remove prototype.
3989 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3990 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3991 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3993 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3996 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3997 (valid_in_set): Handle ARRAY_REF.
3998 Change "if min_variant or VH" to asserts.
3999 (create_component_ref_by_pieces): Handle ARRAY_REF.
4000 (create_expression_by_pieces): Likewise.
4001 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4003 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4005 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4006 is operand of switch, not str[0].
4008 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4010 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4011 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4013 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4015 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4016 end of insn_extra_address_constraint declaration.
4018 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4020 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4021 (no-sum-in-toc): Same.
4022 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4024 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4025 NO_FP_IN_TOC for -fPIC instead of mask.
4027 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4028 (BOOT_LDFLAGS): Delete.
4030 * config/rs6000/t-aix52: Same.
4032 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4033 (stmsi[345678]_power): New.
4035 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4037 * config/ia64/ia64.opt: Add empty line to end of file.
4039 2006-03-17 Richard Guenther <rguenther@suse.de>
4042 * builtins.c (get_pointer_alignment): For component style references
4043 adjust alignment to the component type alignment. Make sure
4044 to adjust alignment for component access of constants.
4046 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4048 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4051 2006-03-17 Paul Brook <paul@codesourcery.com>
4053 * doc/install.texi: Docuemnt --with-mode.
4054 * config.gcc: Add --with-mode for arm*-*-*.
4055 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4057 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4059 * sh.c (max_labelno_before_reorg): New variable.
4060 (sh_reorg): Initialize it.
4061 (find_barrier): Check max_labelno_before_reorg before using
4062 label_to_alignment. Take length of explicit alignment insns
4063 into account. When seeing a UNSPECV_CONST_END, return it.
4065 * sh.c (fixup_mova): Set mode of affected label to QImode.
4066 (untangle_mova): New function.
4067 (find_barrier): Use it. Check mode of label before decrementing
4069 (sh_reorg): Likewise.
4070 Set mode of all insns back to VOIDmode.
4072 * sh.c (MOVA_LABELREF): New macro.
4073 (mova_p, fixup_mova, sh_reorg): Use it.
4074 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4075 ADDR_DIFF_VEC matches mova.
4077 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4079 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4080 with ATTRIBUTE_UNUSED.
4082 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4084 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4085 pointer, instead of assuming it is possible to derive the
4086 correct args size from a call insn.
4088 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4090 * rtl.h (CONST_INT_P): Define.
4091 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4092 instead of GET_CODE(x) == CONST_INT.
4093 (vax_rtx_costs): Likewise.
4094 (vax_output_int_move): Likewise.
4095 (vax_output_int_add): Likewise.
4096 (legitimate_constant_address_p): Likewise.
4097 (index_term_p): Likewise.
4098 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4099 * config/vax/vax.md (and<mode>3): Likewise.
4100 (ashrsi3): Likewise.
4102 (movstricthi): Likewise.
4103 (movstrictqi): Likewise.
4104 (rotrsi3): Likewise.
4105 (five unnamed insns): Likewise.
4107 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4109 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4110 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4111 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4112 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4113 Pass to ASM_OUTPUT_DWARF_OFFSET.
4114 * dwarf2out.c (debug_frame_section): New.
4115 (output_call_frame_info): Use debug_frame_section. Pass it to
4116 dw2_asm_output_offset.
4117 (output_die): Pass appropriate section to dw2_asm_output_offset.
4118 (output_compilation_unit_header): Likewise.
4119 (output_pubnames): Likewise.
4120 (output_aranges): Likewise.
4121 (enum dw_val_class): Break dw_val_class_lbl_offset into
4122 dw_val_class_lineptr and dw_val_class_macptr.
4123 (add_AT_lbl_offset): Delete.
4124 (add_AT_lineptr): New.
4125 (add_AT_macptr): New.
4126 (AT_lbl): Expect a lineptr or macptr.
4127 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4128 (attr_checksum): Likewise.
4129 (same_dw_val_p): Likewise.
4130 (size_of_die): Likewise.
4131 (value_format): Likewise.
4132 (output_die): Likewise.
4133 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4135 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4136 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4137 * config/darwin-protos.h (darwin_file_start): New.
4138 (darwin_asm_output_dwarf_offset): New.
4139 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4140 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4142 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4143 if not EH section; simplify.
4144 (darwin_file_start): New.
4145 (darwin_asm_output_dwarf_offset): New.
4146 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4148 (DEBUG_INFO_SECTION): Likewise.
4149 (DEBUG_ABBREV_SECTION): Likewise.
4150 (DEBUG_ARANGES_SECTION): Likewise.
4151 (DEBUG_MACINFO_SECTION): Likewise.
4152 (DEBUG_LINE_SECTION): Likewise.
4153 (DEBUG_LOC_SECTION): Likewise.
4154 (DEBUG_PUBNAMES_SECTION): Likewise.
4155 (DEBUG_STR_SECTION): Likewise.
4156 (DEBUG_RANGES_SECTION): Likewise.
4157 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4158 (ASM_OUTPUT_DWARF_OFFSET): New.
4160 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4162 * config.gcc (tm_defines): Always add to previous value rather
4165 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4167 * config/mips/predicates.md (splittable_const_int_operand): New,
4168 split from move_operand.
4169 (splittable_symbolic_operand): New.
4170 (move_operand): Add commentary. Use splittable_const_int_operand.
4171 Inline mips_atomic_symbolic_constant_p.
4172 * config/mips/mips.md: Add combine splitters for handling moves
4173 of splittable_const_int_operands and splittable_symbolic_operands.
4174 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4175 (mips_split_symbol): Declare.
4176 (mips_move_integer): Declare.
4177 * config/mips/mips.c (mips_split_p): Make global.
4178 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4179 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4180 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4181 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4182 (mips_offset_within_object_p): Handle block symbols.
4183 (mips_atomic_symbolic_constant_p): Delete.
4184 (mips_cannot_force_const_mem): Return false for constants that
4185 mips_legitimize_move can handle.
4186 (mips_use_blocks_for_constant_p): New function.
4187 (mips_split_symbol): Make global.
4188 (mips_move_integer): Likewise. Add a temporary register argument.
4189 (mips_legitimize_const_move): Use splittable_const_int_operand and
4190 splittable_symbolic_operand.
4191 (mips_use_anchors_for_symbol_p): New function.
4192 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4193 (mips_split_p): Declare.
4195 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4197 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4198 (mips*-*-linux*): Likewise.
4200 2006-03-16 Roger Sayle <roger@eyesopen.com>
4201 Daniel Speyer <dspeyer@wam.umd.edu>
4204 * tree-dump.c (dump_real): New function.
4205 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4206 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4207 (tree-dump.o): Add $(REAL_H) to the dependencies.
4209 2006-03-16 Roger Sayle <roger@eyesopen.com>
4212 * real.c (real_from_string): If the mantissa is zero, don't bother
4213 parsing the exponent as the result should always be zero.
4215 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4217 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4219 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4221 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4222 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4223 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4224 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4225 ia64_sched_finish_global): New static functions to implement
4226 hooks from gcc_target.sched.
4227 (spec_check_no, max_uid, pending_data_specs): New static variables.
4228 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4229 ia64_spec_check_src_p): New static functions.
4230 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4231 (TARGET_SCHED_ADJUST_COST): Removed.
4232 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4233 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4234 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4235 TARGET_SCHED_GEN_CHECK,
4236 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4237 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4238 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4239 Fixed to handle speculation checks.
4240 (rtx_needs_barrier): Fixed to handle speculative loads and
4242 (ia64_variable_issue): Added code to count speculative loads and their
4244 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4246 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4248 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4250 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4251 (ia64_reorg): Reset stops_p to NULL after it is freed.
4252 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4253 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4254 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4256 (data_speculative, control_speculative, check_load): New attributes.
4257 (mov<mode>_advanced, mov<mode>_speculative,
4258 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4259 zero_extend<mode>di2_speculative,
4260 zero_extend<mode>di2_speculative_advanced): New patterns for
4261 data and control speculative loads.
4262 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4264 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4265 New pattern for data and control speculation checks.
4266 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4267 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4268 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4269 Auxiliary definitions for the patterns.
4270 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4271 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4273 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4275 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4276 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4277 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4278 New resource constraints.
4279 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4281 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4282 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4283 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4284 msched-in-control-spec, msched-ldc, msched-control-ldc,
4285 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4286 msched-prefer-non-control-spec-insns,
4287 msched-count-spec-in-critical-path): New flags to tune speculative
4289 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4290 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4291 msched-in-control-spec, msched-ldc, msched-control-ldc,
4292 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4293 msched-prefer-non-control-spec-insns,
4294 msched-count-spec-in-critical-path): Document new flags.
4296 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4298 * target.h (struct spec_info_def): New opaque declaration.
4299 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4300 speculate_insn, needs_block_p, gen_check,
4301 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4302 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4303 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4304 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4305 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4306 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4308 (TARGET_SCHED): Use new macros.
4309 * rtl.h (copy_DEPS_LIST_list): New prototype.
4310 * sched-int.h (struct sched_info): Change signature of new_ready field,
4311 adjust all initializations. New fields: add_remove_insn,
4312 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4313 region_head_or_leaf_p.
4314 (struct spec_info_def): New structure declaration.
4315 (spec_info_t): New typedef.
4316 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4317 recovery_block, orig_pat.
4318 (glat_start, glat_end): New variables declaraions.
4319 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4321 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4322 DETACH_LIFE_INFO, USE_GLAT.
4323 (enum SPEC_SCHED_FLAGS): New enumeration.
4324 (NOTE_NOTE_BB_P): New macro.
4325 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4326 attach_life_info, debug_spec_status, check_reg_live): New functions.
4327 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4328 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4330 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4331 * ddg.c (get_block_head_tail): Adjust all uses.
4332 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4333 (sms_sched_info): Initialize new fields.
4334 (contributes_to_priority): Removed.
4335 * haifa-sched.c (params.h): New include.
4336 (get_block_head_tail): Adjust all uses.
4337 (ISSUE_POINTS): New macro.
4338 (glat_start, glat_end): New global variables.
4339 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4340 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4341 old_last_basic_block, before_recovery, current_sched_info_var,
4342 rgn_n_insns, luid): New static variables.
4343 (insn_cost1): New function. Move logic from insn_cost to here.
4344 (find_insn_reg_weight1): New function. Move logic from
4345 find_insn_reg_weight to here.
4346 (reemit_notes, move_insn, max_issue): Change signature.
4347 (move_insn1): Removed.
4348 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4349 extend_bb): New static functions to support extension of scheduler's
4351 (generate_recovery_code, process_insn_depend_be_in_spec,
4352 begin_speculative_block, add_to_speculative_block,
4353 init_before_recovery, create_recovery_block, create_check_block_twin,
4354 fix_recovery_deps): New static functions to support
4355 generation of recovery code.
4356 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4357 restore_bb_notes, move_block_after_check, move_succs): New static
4358 functions to support ebb scheduling.
4359 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4360 functions to support handling of register live information.
4361 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4362 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4363 add_jump_dependencies): New static functions.
4364 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4365 consistancy checking.
4366 (debug_spec_status): New function to call from debugger.
4367 (priority): Added code to handle speculation checks.
4368 (rank_for_schedule): Added code to distinguish speculative instructions.
4369 (schedule_insn): Added code to handle speculation checks.
4370 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4371 Fixed to handle ebbs.
4372 (move_insn): Added code to handle ebb scheduling.
4373 (max_issue): Added code to use ISSUE_POINTS of instructions.
4374 (choose_ready): Added code to choose between speculative and
4375 non-speculative instructions.
4376 (schedule_block): Added code to handle ebb scheduling and scheduling of
4377 speculative instructions.
4378 (sched_init): Initialize new variables.
4379 (sched_finish): Free new variables. Print statistics.
4380 (try_ready): Added code to handle speculative instructions.
4381 * lists.c (copy_DEPS_LIST_list): New function.
4382 * sched-deps.c (extend_dependency_caches): New function. Move logic
4383 from create_dependency_caches to here.
4384 (get_dep_weak, ds_merge): Make global.
4385 * genattr.c (main): Code to output prototype for
4386 dfa_clear_single_insn_cache.
4387 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4388 (output_dfa_clean_insn_cache_func): Code to output
4389 dfa_clear_single_insn_cache function.
4390 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4392 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4394 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4395 New static variables.
4396 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4397 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4399 (ebb_sched_info): Initialize new fields.
4400 (get_block_head_tail): Adjust all uses.
4401 (compute_jump_reg_dependencies): Fixed to use glat_start.
4402 (schedule_ebb): Code to remove unreachable last block.
4403 (schedule_ebbs): Added code to update register live information.
4404 * sched-rgn.c (region_sched_info): Initialize new fields.
4405 (get_block_head_tail): Adjust all uses.
4406 (last_was_jump): Removed. Adjust users.
4407 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4408 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4409 Implement new hooks.
4410 (check_dead_notes1): New static function.
4411 (struct region): New fields: dont_calc_deps, has_real_ebb.
4412 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4413 (BB_TO_BLOCK): Fixed to handle EBBs.
4414 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4415 (ebb_head): New static variable.
4416 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4417 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4419 (compute_dom_prob_ps): New assertion.
4420 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4421 global_live_at_start.
4422 (init_ready_list): New assertions.
4423 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4424 (new_ready): Add support for BEGIN_CONTROL speculation.
4425 (schedule_insns): Fixed code that updates register live information
4427 (schedule_region): Fixed to handle EBBs.
4428 (init_regions): Use extend_regions and check_dead_notes1.
4429 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4430 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4431 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4432 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4433 TARGET_SCHED_GEN_CHECK,
4434 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4435 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4436 * doc/invoke.texi (max-sched-insn-conflict-delay,
4437 sched-spec-prob-cutoff): Document.
4439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4441 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4442 inter_tick, queue_index.
4443 (struct sched_info): Change signature of init_ready_list field.
4444 Adjust all initializations.
4445 (RESOLVED_DEPS): New access macro.
4446 (ready_add): Remove prototype.
4447 (try_ready): Add prototype.
4448 * sched-rgn.c (init_ready_list): Use try_ready.
4449 (schedule_region): Initialize
4450 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4451 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4452 (init_ready_list): Use try_ready.
4453 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4454 * lists.c (remove_list_elem): Remove `static'.
4455 (remove_free_INSN_LIST_elem): New function.
4456 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4457 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4458 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4460 (readyp): New variable.
4461 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4462 change_queue_index, resolve_dep): New static functions.
4463 (try_ready): New function. Adjust callers in sched-rgn.c and
4464 sched-ebb.c to use it instead of ready_add.
4465 (clock_var): Move at the begining of file.
4466 (rank_for_schedule): Fix typo.
4467 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4468 (ready_lastpos): Enforce assertion.
4469 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4471 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4472 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4473 (queue_to_ready): Use free_INSN_LIST_list.
4474 (early_queue_to_ready): Fix typo.
4475 (schedule_block): Init readyp. Move init_ready_list call after the
4476 initialization of clock_var. Fix error in rejecting insn by
4477 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4478 that previously corrected INSN_TICKs. Add code for handling
4480 (set_priorities): Fix typo.
4481 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4482 Clarify comment and code that keeps current_sched_info->next_tail
4485 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4487 * sched-rgn.c (extend_rgns): New static function.
4488 (find_rgns): Use it.
4489 (gather_region_statistics, print_region_statistics): New static
4491 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4492 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4494 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4495 Andrey Belevantsev <abel@ispras.ru>
4497 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4498 * lists.c (unused_deps_list): New variable.
4499 (free_list): Add assertions to verify the proper distinguishing
4500 between INSN_LISTs and DEPS_LISTs.
4501 (find_list_elem, remove_list_elem, remove_list_node): New static
4503 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4504 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4505 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4506 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4508 (free_INSN_LIST_node): Likewise.
4509 * modulo-sched.c (current_sched_info): Initialize flags field.
4510 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4511 * rtl.def (DEPS_LIST): Define.
4512 * rtl.h: Declare new functions from lists.c.
4513 * sched-deps.c (spec_dependency_cache): New static variable.
4514 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4515 (add_dependence): Change return type to void. Move the logic to ...
4516 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4517 (delete_all_dependences): Add comment about forward_dependency_cache.
4518 Handle spec_dependency_cache. Handle DEPS_LISTs.
4519 (fixup_sched_groups): Clarify the change of priority of output
4520 and anti dependencies.
4521 (sched_analyze_2): Adjust add_dependence calls to create data
4522 speculative dependence.
4523 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4524 Adjust all callers. Handle DEPS_LISTS.
4525 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4526 presence of speculation.
4527 (init_dependency_caches, free_dependency_caches):
4528 Handle spec_dependency_cache.
4529 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4530 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4531 New static functions.
4532 (add_or_update_back_dep, add_or_update_back_forw_dep,
4533 add_back_forw_dep, delete_back_forw_dep): New functions.
4534 * sched-int.h (ds_t, dw_t): New typedefs.
4535 (struct sched_info): Add new field flags.
4536 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4537 Prototype new sched-deps.c functions.
4538 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4539 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4540 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4541 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4542 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4543 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4545 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4547 * sched-rgn.c (current_sched_info): Initialize flags field.
4548 (schedule_insns): Initialize current_sched_info before the sched_init
4550 * sched-ebb.c (current_sched_info): Initialize flags field.
4551 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4552 Call add_or_update_back_dep instead of add_dependence.
4553 Create control speculative dependencies.
4554 (schedule_insns): Initialize current_sched_info before the sched_init
4557 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4559 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4561 (sh_fallback_frame_state): Likewise.
4563 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4565 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4566 Do switch on default_use_cxa_atexit.
4567 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4568 * config/darwin-crt3.o: New.
4569 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4570 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4571 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4573 * config/rs6000/t-darwin: Move crt2.o building to here.
4574 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4575 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4578 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4580 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4581 from '! xxx' to '!xxx' for coding-style conformance.
4582 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4583 (EXTRA_CONSTRAINT): Likewise.
4584 * config/vax/vax.md (four unnamed insns): Likewise.
4586 2006-03-15 Paul Brook <paul@codesourcery.com>
4588 * config/arm/arm.c (minipool_pad): New.
4589 (add_minipool_forward_ref): Include pool alignment padding in address
4591 (push_minipool_fix): Set minipool_pad.
4592 (minipool_pad): Ditto.
4594 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4596 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4597 instead of GET_CODE() == MEM and REG_P() instead of
4599 (print_operand_address): Likewise.
4600 (vax_address_cost): Likewise.
4601 (vax_rtx_costs): Likewise.
4602 (vax_notice_update_cc): Likewise.
4603 (vax_output_int_add): Likewise.
4604 (INDEX_REGISTER_P): Likewise.
4605 (BASE_REGISTER_P): Likewise.
4606 (nonindexed_address_p): Likewise.
4607 (vax_mode_dependent_address_p): Likewise.
4608 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4609 (PRINT_OPERAND): Likewise.
4610 * config/vax/vax.md (ashlsi3): Likewise.
4611 (ashlsi3): Likewise.
4612 (some more unnamed insns): Likewise.
4614 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4616 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4617 iterator-style macro.
4618 (mark_control_dependent_edges_necessary): Update the use of
4619 EXECUTE_IF_CONTROL_DEPENDENT.
4621 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4623 * config/sh/predicates.md (cache_address_operand): Special.
4624 (ua_address_operand): Likewise.
4626 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4628 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4630 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4632 2006-03-15 Andreas Schwab <schwab@suse.de>
4634 * gensupport.c (identify_predicable_attribute): Don't free p_false
4635 when it is still in use.
4637 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4639 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4640 the default setting here.
4642 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4644 * tree-pass.h (pass_cfg): Remove.
4645 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4646 * passes.c (pass_cfg): Don't run it.
4648 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4650 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4651 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4653 (stack_regs_mentioned): Update the uses of
4654 stack_regs_mentioned_data. Don't access the array beyond its
4656 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4657 Don't include gt-reg-stack.h.
4659 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4660 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4662 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4665 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4668 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4670 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4672 2006-03-14 Richard Guenther <rguenther@suse.de>
4674 PR tree-optimization/26672
4675 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4678 2006-03-14 Richard Guenther <rguenther@suse.de>
4680 PR tree-optimization/26667
4681 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4682 node for the callees. Always allow inlining if it will shrink
4685 2006-03-14 Richard Guenther <rguenther@suse.de>
4688 * builtins.c (get_pointer_alignment): Prefer alignment
4689 information from decls over that from types.
4691 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4694 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4696 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4698 * config/rs6000/rs6000.opt (mdlmzb): New option.
4699 (msched-prolog, msched-epilog): Use Var not Mask.
4700 * doc/invoke.texi (-mdlmzb): Document.
4701 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4703 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4704 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4706 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4708 PR rtl-optimization/25739
4709 * bt-load.c (augment_live_range): Free tos pointer.
4711 * gensupport.c (identify_predicable_attribute): Free
4713 * gcov.c (create_file_names): Free name pointer.
4715 2006-03-13 Roger Sayle <roger@eyesopen.com>
4718 * stmt.c (emit_case_nodes): Handle the case where the index is a
4719 CONST_INT, where the comparison mode is specified by the index type.
4721 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4723 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4726 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4728 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4729 (*branch_fp_inverted): Likewise.
4731 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4734 * omp-low.c (expand_omp_for_generic): Mark istart0
4735 and iend0 as addressable.
4737 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4739 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4741 2006-03-13 Jeff Law <law@redhat.com>
4743 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4744 virtual operands are interesting.
4745 (vrp_visit_stmt): Corresponding changes.
4747 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4749 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4751 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4752 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4753 * config/bfin/crti.S: Use it instead of __PIC__.
4754 * config/bfin/crtn.S: Likewise.
4756 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4757 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4759 Lose 'G' modifier for call operand.
4760 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4761 recognize 'G' modifier.
4763 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4766 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4767 * stmt.c (expand_case): Likewise.
4769 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4771 PR rtl-optimization/26254
4772 * loop-invariant.c (seq_insns_valid_p): New function.
4773 (move_invariant_reg): Only emit new code if it is valid.
4775 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4777 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4779 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4780 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4781 (commit_one_edge_insertion): Do not look for loop notes.
4783 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4785 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4786 flag_test_coverage out of loop.
4788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4790 * final.c (shorten_branches): Remove outdated comment, and turn
4791 the if branch that guards it to continue.
4793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4795 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4796 * cfgloop.h (struct loop): Remove unused fields.
4798 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4800 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4801 (-dL, -fdump-rtl-loop2): Update the dump file names
4803 * doc/invoke.texi: Update dump file names.
4805 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4807 * predict.c (estimate_probability): Remove.
4808 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4809 * basic-block.h (estimate_probability): Remove prototype.
4810 * passes.c (finish_optimization_passes): Dump branch prediction or
4811 profiling heuristics to the .profile tree dump.
4812 (init_optimization_passes): Unqueue pass_branch_prob.
4814 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4816 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4818 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4819 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4821 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4823 * function.h (frame_offset_overflow): Declare.
4824 * function.c (frame_offset_overflow): New function.
4825 (assign_stack_local_1): Call it to detect that the offset overflows.
4826 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4828 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4830 * config/sh/sh.c: Include alloc-pool.h.
4831 (label_ref_list_pool): New alloc pool.
4832 (label_ref_list_t): New type for lists of labels.
4833 (struct pool_node): Make wend a label_ref_list_t.
4834 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4836 (dump_table): Likewise.
4837 (sh_reorg): Set up the alloc pool before using add_constant and
4838 dump_table, and destroy it when finishing.
4840 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4842 * config/mips/mips.c: Remove redundant comment.
4844 2006-03-10 Jason Merrill <jason@redhat.com>
4847 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4848 the target was declared 'register'.
4850 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4852 * genpreds.c (write_insn_constraint_len): Change definition of
4853 insn_constraint_len to return size_t to match the declaration.
4855 2006-03-10 DJ Delorie <dj@redhat.com>
4857 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4859 (m32c_expand_insv): Fix test for an AND mask.
4861 2006-03-10 Richard Guenther <rguenther@suse.de>
4864 * builtins.c (get_pointer_alignment): Handle component
4865 references for field alignment.
4867 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4869 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4870 when building with libgloss.
4871 (sh*elf): Implement --without-fp option.
4872 (sh64-superh-linux*): Don't multilib.
4874 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4876 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4878 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4880 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4881 Set it when one of the replacement functions returned true.
4882 Return TODO_cleanup_cfg if cfgchanged is true.
4883 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4885 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4887 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4888 instead of gen_lowpart.
4890 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4892 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4894 (mips_output_order_conditional_branch): Declare.
4895 * config/mips/mips.h (MIPS_BRANCH): New macro.
4896 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4897 for the comparison. Use gen_condjump.
4898 (mips_output_conditional_branch): Rework interface to take the
4899 asm templates for a direct branch and the inverse of a direct branch.
4900 (mips_output_order_conditional_branch): New function.
4901 (mips_builtin_branch_and_move): New function.
4902 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4903 branch condition. Use gen_single_cc as the condition for
4904 __builtin_mips_upper_* or __builtin_mips_lower_*.
4905 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4906 Use VOIDmode for the branch condition.
4907 * config/mips/predicates.md (order_operator): New predicate.
4908 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4909 (branch_fp): Rename to...
4910 (*branch_fp): ...this. Remove mode from comparison operator.
4911 Use new mips_output_conditional_branch interface.
4912 (branch_fp_inverted): Rename to...
4913 (*branch_fp_inverted): ...this and update as for *branch_fp.
4914 (*branch_zero<mode>): Rename to...
4915 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4916 Use mips_output_order_conditional_branch. Only accept ordered
4918 (*branch_zero<mode>_inverted): Rename to...
4919 (*branch_order<mode>_inverted): ...this and update as for
4920 *branch_order<mode>.
4921 (*branch_equality<mode>): Accept zero as the second operand to
4922 the equality operator. Use the new mips_output_conditional_branch
4924 (*branch_equality<mode>_inverted): Likewise.
4925 (condjump): New expander.
4926 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4928 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4929 (bc1any2t, bc1any2f): Likewise.
4930 (single_cc): New expander.
4931 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4933 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4935 * doc/md.texi: Update documentation of MIPS constraints.
4936 * config/mips/constraints.md: New file.
4937 * config/mips/mips.md: Include it.
4938 * config/mips/mips.c (mips_char_to_class): Delete.
4939 (override_options): Don't initialize mips_char_to_class.
4940 * config/mips/mips.h (mips_char_to_class): Delete.
4941 (REG_CLASS_FROM_LETTER): Delete.
4942 (CONST_OK_FOR_LETTER_P): Delete.
4943 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4944 (EXTRA_CONSTRAINT_Y): Delete.
4945 (EXTRA_CONSTRAINT_STR): Delete.
4946 (CONSTRAINT_LEN): Delete.
4947 (EXTRA_MEMORY_CONSTRAINT): Delete.
4949 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4951 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4952 original fn's eh regions.
4954 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4956 * fold-const.c (build_range_check): Make sure to use a valid type to
4957 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4960 (range_predecessor): New static function.
4961 (range_successor): Likewise.
4962 (merge_ranges): Use them to compute predecessors and successors of
4965 2006-03-09 Roger Sayle <roger@eyesopen.com>
4968 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4969 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4971 2006-03-08 DJ Delorie <dj@redhat.com>
4973 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4974 (addpsi3): Expand to include memory operands. Remove
4975 reload-specific splits.
4976 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4977 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4978 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4979 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4980 (shift1_qi, shift1_hi, insv): New.
4981 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4982 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4983 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4985 * config/m32c/m32c-protos.h: Update as needed.
4986 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4987 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4988 Fail for unrecognized R* constraints.
4989 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4990 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4991 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4993 (m32c_init_libfuncs): New.
4994 (m32c_legitimate_address_p): Add debug wrapper.
4995 (m32c_rtx_costs): New.
4996 (m32c_address_cost): New.
4997 (conversions): Add 'B' prefix.
4998 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4999 operands, or word regnames for QI operands. 'B' prints bit
5001 (m32c_expand_setmemhi): New.
5002 (m32c_expand_movmemhi): New.
5003 (m32c_expand_movstr): New.
5004 (m32c_expand_cmpstr): New.
5005 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5006 (m32c_expand_neg_mulpsi3): Handle non-ints.
5007 (m32c_cmp_flg_0): New.
5008 (m32c_expand_movcc): New.
5009 (m32c_expand_insv): New.
5010 (m32c_scc_pattern): New.
5011 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5012 a0/a1 out of SIregs.
5013 (STORE_FLAG_VALUE): New.
5014 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5017 * config/m32c/mov.md: Make constraints more liberal.
5018 (zero_extendqihi2): Optimize r0/r1 case.
5019 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5020 * config/m32c/predicates.md (m32c_any_operand): New.
5021 (m32c_nonimmediate_operand): New.
5022 (m32c_hl_operand): New.
5023 (m32c_r3_operand): New.
5026 (memsym_operand): New.
5027 (memimmed_operand): New.
5028 (a_qi_operand): New.
5029 (m32c_eqne_operator): New.
5030 (m32c_1bit8_operand): New.
5031 (m32c_1bit16_operand): New.
5032 (m32c_1mask8_operand): New.
5033 (m32c_1mask16_operand): New.
5034 * config/m32c/blkmov.md: New file.
5035 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5037 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5039 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5040 unsigned to fix signed/unsigned comparison issue in
5041 DWARF2_FRAME_REG_OUT.
5042 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5043 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5045 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5046 of ptr into the ENABLE_CHECKING section.
5048 2006-03-08 Jeff Law <law@redhat.com>
5050 * tree-vrp.c (infer_value_range): Only count pointer uses
5051 and dereferences if -fdelete-null-pointer-checks is enabled.
5053 * tree-vrp.c (find_assert_locations): Infer value ranges for
5054 single use pointers, but do not create ASSERT_EXPRs for them.
5055 When a non-null range is inferred for a pointer, backwards
5056 propagate that range to other equivalent pointers through the
5059 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5062 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5063 language hook targets.
5064 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5065 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5066 if language hook targets were missing.
5068 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5070 * tree-ssa-opfinalize.h: Removed.
5071 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5073 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5074 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5075 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5076 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5077 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5078 finalize_ssa_v_must_def_ops): New.
5080 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5082 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5085 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5087 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5089 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5090 addresses with offsets; reorganize.
5092 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5093 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5094 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5096 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5099 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5101 2006-03-08 Ben Elliston <bje@au.ibm.com>
5103 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5105 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5108 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5111 2006-03-07 Richard Guenther <rguenther@suse.de>
5113 PR tree-optimization/26587
5114 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5116 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5118 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5120 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5122 * hooks.c (hook_bool_mode_rtx_true): New function.
5123 * hooks.h (hook_bool_mode_rtx_true): Declare.
5124 * toplev.c (compile_file): Call output_shared_constant_pool.
5125 * varasm.c (shared_constant_pool): New variable.
5126 (assemble_start_function, assemble_end_function): Remove arguments
5127 from call to output_constant_pool.
5128 (create_constant_pool): New function, split out from...
5129 (init_varasm_status): ...here.
5130 (force_const_mem): Choose between the shared and per-function constant
5131 pools. Set current_function_uses_const_pool when reusing old entries
5132 as well as when creating new ones.
5133 (mark_constant): Ignore data argument.
5134 (mark_constants): Remove pool argument.
5135 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5136 to decide whether the function uses a constant pool.
5137 (output_constant_pool_contents): New function, split out from...
5138 (output_constant_pool): ...here.
5139 (output_shared_constant_pool): New function.
5140 (init_varasm_once): Initialize shared_constant_pool.
5141 * output.h (output_constant_pool): Delete.
5142 (output_shared_constant_pool): Declare.
5143 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5144 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5146 2006-03-06 Nick Clifton <nickc@redhat.com>
5148 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5149 flag_strength_reduce.
5151 2006-03-06 Ben Elliston <bje@au.ibm.com>
5153 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5154 x86_64-*-linux* configurations.
5156 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5157 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5159 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5161 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5163 * basic-block.h: Remove the extern for
5164 rediscover_loops_after_threading.
5166 * cfgloop.c (cancel_loop): Make it static.
5167 * cfgloop.h: Remove the prototype for cancel_loop.
5169 * flow.c (recompute_reg_usage): Make it static.
5170 * rtl.h: Remove the prototype for recompute_reg_usage.
5172 * function.c (use_return_register): Make it static.
5173 * function.h: Remove the prototype.
5175 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5177 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5179 * recog.h: Remove the prototype for
5180 validate_change_maybe_volatile.
5182 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5184 * rtlanal.c (replace_reg): Remove.
5185 * rtl.h: Remove the prototype for replace_reg.
5187 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5189 * regclass.c (reg_scan_update): Remove.
5190 (reg_scan_mark_refs): Remove the last argument.
5191 * rtl.h: Remove the prototype for reg_scan_update.
5193 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5195 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5196 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5197 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5198 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5199 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5200 loop-invariant.c, omp-low.c, opts.c, passes.c,
5201 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5202 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5203 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5204 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5205 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5206 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5208 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5210 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5211 * dwarf2out.h: Remove the prototype for
5212 dwarf2out_add_library_unit_info.
5214 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5216 * tree.c (add_var_to_bind_expr): Remove.
5217 * tree.h: Remove the prototype for add_var_to_bind_expr.
5219 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5221 * regclass.c (n_non_fixed_regs): Remove.
5222 (init_reg_sets_1, globalize_reg): Remove all uses of
5224 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5228 * rtlanal.c (insns_safe_to_move_p): Remove.
5229 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5231 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5233 * expmed.c (expand_mult_add): Remove.
5234 * expr.h: Remove the prototype for expand_mult_add.
5236 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5238 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5239 and REG_SAVED_VAL_EXP constants.
5240 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5241 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5242 Handle regs stored by value.
5243 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5244 (execute_cfa_program): Handle DW_CFA_val_offset,
5245 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5246 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5247 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5248 (uw_install_context_1): Handle target regs stored by value.
5250 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5252 * tree-sra.c (tree_sra): Return todoflags;
5253 (generate_one_element): Set TODO_update_smt_usage if needed.
5254 (pass_sra): Remove TODO_update_smt_usage.
5255 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5257 (tree_ssa_forward_propagate_single_use_vars): Return
5258 TODO_update_smt_usage if we need to update SMT usage.
5259 (pass_forwprop): Remove TODO_update_smt_usage.
5261 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5263 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5264 (correct_use_link): Remove reference to get_stmt_operands.
5265 (update_stmt_operands): Likewise.
5266 (get_modify_expr_operands): New function factored out of
5267 parse_ssa_operands and get_expr_operands.
5268 Try to create V_MUST_DEFs for LHS by default.
5269 (get_expr_operands) <case MODIFY_EXPR>: Call
5270 get_modify_expr_operands.
5271 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5272 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5273 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5274 get_modify_expr_operands.
5276 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5278 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5279 * tree-flow.h: Remove the prototype for
5280 referenced_var_lookup_if_exists.
5282 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5284 PR rtl-optimization/26345
5286 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5288 2006-03-03 Roger Sayle <roger@eyesopen.com>
5290 PR tree-optimization/26524
5291 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5292 fold_convert to create a constant of the appropriate type.
5294 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5296 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5297 SYMBOL_REF_IN_BLOCK_P.
5298 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5299 of SYMBOL_FLAG_IN_BLOCK.
5300 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5301 instead of SYMBOL_REF_IN_BLOCK_P.
5302 * explow.c (use_anchored_address): Likewise.
5303 * rtl.c (rtx_size): Likewise.
5304 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5305 instead of SYMBOL_FLAG_IN_BLOCK.
5306 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5307 SYMBOL_REF_IN_BLOCK_P.
5308 (assemble_variable): Likewise.
5309 (output_constant_def_contents): Likewise.
5310 (output_constant_pool): Likewise.
5311 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5312 instead of SYMBOL_FLAG_IN_BLOCK.
5313 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5314 SYMBOL_REF_IN_BLOCK_P.
5315 (SYMBOL_REF_BLOCK): Likewise.
5316 (SYMBOL_REF_OFFSET): Likewise.
5317 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5318 SYMBOL_REF_IN_BLOCK_P.
5319 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5320 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5321 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5322 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5324 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5326 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5328 2006-03-02 Roger Sayle <roger@eyesopen.com>
5330 * simplify-rtx.c (simplify_unary_operation): When simplifying
5331 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5332 that we perform the right shift in the appropriate mode, and
5333 then extend or truncate the result to requested mode.
5335 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5337 * gengtype.c (main): Handle double_int type.
5338 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5339 * double-int.c: New file.
5340 * double-int.h: New file.
5341 * system.h: Include doubleint.h.
5342 * Makefile.in (SYSTEM_H): Include double-int.h.
5343 (double-int.o): Add.
5345 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5348 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5351 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5353 * tree-vrp.c (remove_range_assertions): Do not update statements
5356 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5358 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5360 * gcse.c (rest_of_handle_gcse): Ditto.
5361 * except.c (gate_handle_eh): Ditto.
5362 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5363 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5365 2006-03-02 Eric Christopher <echristo@apple.com>
5367 * config/i386/i386.c (machopic_output_stub): Add indirection to
5370 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5374 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5376 Sun Niagara specific optimizations.
5377 * config.gcc: Recognize niagara as target.
5378 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5379 (TARGET_CPU_niagara): Define.
5380 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5381 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5382 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5383 (ASM_CPU_SPEC): Likewise.
5384 (PROCESSOR_NIAGARA): New enum entry.
5385 (REGISTER_MOVE_COST): Handle Niagara.
5386 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5387 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5388 (sparc_override_options): Recognize "niagara", set appropriate
5389 default MASK_* values for it, and align functions to 32-bytes
5390 by default just like ULTRASPARC/ULTRASPARC3.
5391 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5392 (sparc64_initialize_trampoline): Likewise.
5393 (sparc_use_sched_lookahead): Use zero for niagara.
5394 (sparc_issue_rate): Use one for niagara.
5395 * config/sparc/niagara.md: New file.
5396 * config/sparc/sparc.md: Include it.
5397 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5398 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5399 when default cpu is niagara.
5400 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5401 (ASM_CPU_SPEC): Likewise.
5402 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5403 when default cpu is niagara.
5404 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5405 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5406 just like v9/ultrasparc/ultrasparc3.
5407 * doc/invoke.texi: Add documentation for "niagara" and improve
5408 existing documentation for ultrasparc variants.
5410 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5412 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5414 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5416 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5417 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5418 and say that only one is needed.
5419 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5420 * target.h (have_switchable_bss_sections): New hook.
5421 * explow.c (use_anchored_address): Check that the symbol is in a block.
5422 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5423 (bss_noswitch_section): New variables.
5424 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5425 (get_noswitch_section): New function.
5426 (get_block_for_section): Allow SECT to be null.
5427 (unlikely_text_section_p): Use SECTION_STYLE.
5428 (bss_initializer_p): New function.
5429 (get_variable_section): Move earlier in file. Take a new argument,
5430 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5431 Return one of the new *_sections in such cases.
5432 (get_block_for_decl): New function, extracting some logic from
5433 use_blocks_for_decl_p.
5434 (change_symbol_section): Remove in favor of...
5435 (change_symbol_block): ...this new function.
5436 (use_blocks_for_decl_p): Remove checks now performed by
5438 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5439 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5440 (emit_local, emit_bss, emit_common): ...these new functions.
5441 Return true if the alignment was honored.
5442 (emit_tls_common): New function.
5443 (asm_emit_uninitialised): Delete.
5444 (assemble_variable_noswitch): New function, split out from...
5445 (assemble_variable): ...here. Don't make decisions about common
5446 variables here. Globalize all public decls that go into non-common
5447 sections. Check whether SYMBOL_REF_BLOCK is null.
5448 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5449 (output_constant_pool): Likewise.
5450 (init_varasm_once): Initialize the new section variables.
5451 (have_global_bss_p): New function.
5452 (categorize_decl_for_section): Use bss_initializer_p.
5453 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5454 (place_block_symbol): Assert that the symbol must be in a block.
5455 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5456 (TARGET_INITIALIZER): Include it.
5457 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5458 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5459 (SECTION_MACH_DEP): Bump by two.
5460 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5461 (unnamed_section): Mention SECTION_UNNAMED in comment.
5462 (named_section): Likewise SECTION_NAMED.
5463 (noswitch_section_callback): New type.
5464 (noswitch_section): New structure.
5465 (section): Add a noswitch_section alternative.
5466 (SECTION_STYLE): New macro.
5467 (tls_comm_section, comm_section, lcomm_section): Declare.
5468 (bss_noswitch_section, have_global_bss_p): Declare.
5469 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5470 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5472 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5473 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5476 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5478 * tree-vrp.c (execute_vrp): Return value.
5479 * regrename.c (rest_of_handle_regrename): Ditto.
5480 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5481 * tree-complex.c (tree_lower_complex): Ditto.
5482 (tree_lower_complex_O0): Ditto.
5483 * tracer.c (rest_of_handle_tracer): Ditto.
5484 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5485 * postreload.c (rest_of_handle_postreload): Ditto.
5486 * tree-tailcall.c (execute_tail_recursion): Ditto.
5487 (execute_tail_calls): Ditto.
5488 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5489 * tree.h (init_function_for_compilation): Ditto.
5490 * ipa-cp.c (ipcp_driver): Ditto.
5491 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5492 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5493 * final.c (compute_alignments): Ditto.
5494 (rest_of_handle_final): Ditto.
5495 (rest_of_handle_shorten_branches): Ditto.
5496 (rest_of_clean_state): Ditto.
5497 * omp-low.c (execute_expand_omp): Ditto.
5498 (execute_lower_omp): Ditto.
5499 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5500 * ipa-reference.c (static_execute): Ditto.
5501 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5502 * reorg.c (rest_of_handle_delay_slots): Ditto.
5503 (rest_of_handle_machine_reorg): Ditto.
5504 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5505 * flow.c (recompute_reg_usage): Ditto.
5506 (rest_of_handle_remove_death_notes): Ditto.
5507 (rest_of_handle_life): Ditto.
5508 (rest_of_handle_flow2): Ditto.
5509 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5510 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5511 (do_ssa_store_ccp): Ditto.
5512 (execute_fold_all_builtins): Ditto.
5513 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5514 * modulo-sched.c (rest_of_handle_sms): Ditto.
5515 * ipa-pure-const.c (static_execute): Ditto.
5516 * cse.c (rest_of_handle_cse): Ditto.
5517 (rest_of_handle_cse2): Ditto.
5518 * web.c (rest_of_handle_web): Ditto.
5519 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5520 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5521 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5522 * tree-nrv.c (tree_nrv): Ditto.
5523 (execute_return_slot_opt): Ditto.
5524 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5525 (create_structure_vars): Ditto.
5526 * loop-init.c (rtl_loop_init): Ditto.
5527 (rtl_loop_done): Ditto.
5528 (rtl_move_loop_invariants): Ditto.
5529 (rtl_unswitch): Ditto.
5530 (rtl_unroll_and_peel_loops): Ditto.
5531 (rtl_doloop): Ditto.
5532 * gimple-low.c (lower_function_body): Ditto.
5533 (mark_used_blocks): Ditto.
5534 * tree-ssa-sink.c (execute_sink_code): Ditto.
5535 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5536 (cgraph_early_inlining): Ditto.
5537 * global.c (rest_of_handle_global_alloc): Ditto.
5538 * jump.c (cleanup_barriers): Ditto.
5539 (purge_line_number_notes): Ditto.
5540 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5541 (rest_of_handle_if_after_reload): Ditto.
5542 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5543 (tree_ssa_loop_im): Ditto.
5544 (tree_ssa_loop_unswitch): Ditto.
5545 (tree_vectorize): Ditto.
5546 (tree_linear_transform): Ditto.
5547 (tree_ssa_loop_ivcanon): Ditto.
5548 (tree_ssa_empty_loop): Ditto.
5549 (tree_ssa_loop_bounds): Ditto.
5550 (tree_complete_unroll): Ditto.
5551 (tree_ssa_loop_prefetch): Ditto.
5552 (tree_ssa_loop_ivopts): Ditto.
5553 (tree_ssa_loop_done): Ditto.
5554 * predict.c (tree_estimate_probability): Ditto.
5555 * recog.c (split_all_insns_noflow): Ditto.
5556 (rest_of_handle_peephole2): Ditto.
5557 (rest_of_handle_split_all_insns): Ditto.
5558 * tree-eh.c (lower_eh_constructs): Ditto.
5559 * regmove.c (rest_of_handle_regmove): Ditto.
5560 (rest_of_handle_stack_adjustments): Ditto.
5561 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5562 * function.c (instantiate_virtual_regs): Ditto.
5563 (init_function_for_compilation): Ditto.
5564 (rest_of_handle_check_leaf_regs): Ditto.
5565 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5566 (rest_of_handle_gcse): Ditto.
5567 * ipa-type-escape.c (type_escape_execute): Ditto.
5568 * alias.c (rest_of_handle_cfg): Ditto.
5569 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5570 * profile.c (rest_of_handle_branch_prob): Ditto.
5571 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5572 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5573 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5574 * tree-dfa.c (find_referenced_vars): Ditto.
5575 * except.c (set_nothrow_function_flags): Ditto.
5576 (convert_to_eh_region_ranges): Ditto.
5577 (rest_of_handle_eh): Ditto.
5578 * emit-rtl.c (unshare_all_rtl): Ditto.
5579 (remove_unnecessary_notes): Ditto.
5580 * except.h (set_nothrow_function_flags): Ditto.
5581 (convert_to_eh_region_ranges): Ditto.
5582 * cfgexpand.c (tree_expand_cfg): Ditto.
5583 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5584 * tree-ssa-pre.c (do_pre): Ditto.
5585 (execute_fre): Ditto.
5586 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5587 (rest_of_handle_jump2): Ditto.
5588 * tree-sra.c (tree_sra): Ditto.
5589 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5590 (execute_mudflap_function_decls): Ditto.
5591 * tree-ssa-copy.c (do_copy_prop): Ditto.
5592 (do_store_copy_prop): Ditto.
5593 * ipa-prop.h (ipcp_driver): Ditto.
5594 * cfglayout.c (insn_locators_initialize): Ditto.
5595 * tree-ssa-forwprop.c
5596 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5597 * cfglayout.h (insn_locators_initialize): Ditto.
5598 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5599 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5600 (execute_late_warn_uninitialized): Ditto.
5601 * rtl.h (cleanup_barriers): Ditto.
5602 (split_all_insns_noflow): Ditto.
5603 (purge_line_number_notes): Ditto.
5604 (unshare_all_rtl): Ditto.
5605 (remove_unnecessary_notes): Ditto.
5606 (recompute_reg_usage): Ditto.
5607 (variable_tracking_main): Ditto.
5608 * integrate.c (emit_initial_value_sets): Ditto.
5609 * integrate.h (emit_initial_value_sets): Ditto.
5610 * tree-optimize.c (execute_free_datastructures): Ditto
5611 (execute_free_cfg_annotations): Ditto.
5612 (execute_fixup_cfg): Ditto.
5613 (execute_cleanup_cfg_pre_ipa): Ditto.
5614 (execute_cleanup_cfg_post_optimizing): Ditto.
5615 (execute_init_datastructures): Ditto.
5616 * tree-object-size.c (compute_object_sizes): Ditto.
5617 * combine.c (rest_of_handle_combine): Ditto.
5618 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5619 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5620 (rest_of_handle_reorder_blocks): Ditto.
5621 (rest_of_handle_partition_blocks): Ditto.
5622 * var-tracking.c (variable_tracking_main): Ditto.
5623 * tree-profile.c (tree_profiling): Ditto.
5624 * tree-vect-generic.c (expand_vector_operations): Ditto.
5625 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5626 * sched-rgn.c (rest_of_handle_sched): Ditto.
5627 (rest_of_handle_sched2): Ditto.
5628 * basic-block.h (free_bb_insn): Ditto.
5629 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5630 * tree-cfg.c (execute_build_cfg): Ditto.
5631 (remove_useless_stmts): Ditto.
5632 (split_critical_edges): Ditto.
5633 (execute_warn_function_return): Ditto.
5634 (execute_warn_function_noreturn): Ditto.
5635 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5636 * cfgrtl.c (free_bb_for_insn): Ditto.
5637 * passes.c (execute_one_pass): Run additional
5638 todos returned by execute function.
5639 * tree-pass.h (struct tree_opt_pass): Make execute
5642 2006-03-02 Richard Guenther <rguenther@suse.de>
5644 * tree-ssa-alias.c (find_used_portions): Consider taking
5645 the address as making the variable not write-only.
5647 2006-03-02 Nick Clifton <nickc@redhat.com>
5649 * config.gcc (default_use_cxa_atexit): Extend the description of
5650 this configure variable. Set its default value to "yes" for
5651 Linux, NetBSD and ELF targets on the assumption that they will
5652 use C libraries with the __cxa_atexit function.
5654 2006-03-02 Ben Elliston <bje@au.ibm.com>
5656 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5657 parameter as unused to suppress a build warning.
5659 2006-03-02 Ben Elliston <bje@au.ibm.com>
5661 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5664 2006-03-01 Roger Sayle <roger@eyesopen.com>
5667 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5668 declared name, the weak reference name, and the typeof name.
5669 (__gthrw): Avoid expanding the declared name suffix.
5670 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5672 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5674 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5676 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5677 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5678 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5679 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5680 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5681 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5682 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5683 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5684 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5685 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5686 (DW_END_default, DW_END_big, DW_END_little): New.
5687 (DW_END_lo_user, DW_END_hi_user): Define.
5688 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5689 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5690 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5693 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5695 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5697 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5699 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5701 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5703 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5704 to 'symbol_mem_tag'.
5706 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5709 2006-03-01 Roger Sayle <roger@eyesopen.com>
5711 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5713 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5716 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5717 MACHO_DYNAMIC_NO_PIC_P.
5718 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5720 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5723 * config/darwin-protos.h (darwin_asm_output_anchor):
5725 * config/darwin-sections.def (cstring_section):
5726 Add SECTION_MERGE to the flags.
5727 (literal4_section): Likewise.
5728 (literal8_section): Likewise.
5729 (objc_selector_refs_section): Likewise.
5730 (objc_cls_refs_section): Likewise.
5731 * config/darwin.c (darwin_asm_output_anchor): New
5733 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5735 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5737 Fix PR tree-optimization/26443
5738 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5739 to todo and PROP_tmt_usage to properties_destroyed.
5740 * tree-ssa-ccp.c (pass_ccp): Ditto.
5741 (pass_store_ccp): Ditto.
5742 * tree-ssa-dom.c (pass_dominator): Ditto.
5744 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5746 * tree-ssa-operands.c: Cleanup whitespace.
5747 (get_asm_expr_operands): Move before first invocation.
5748 (get_indirect_ref_operands): Likewise.
5749 (get_tmr_operands): Likewise.
5750 (get_call_expr_operands): Likewise.
5751 (append_def): Likewise.
5752 (append_use): Likewise.
5753 (append_v_may_def): Likewise.
5754 (append_v_must_def): Likewise.
5755 (add_call_clobber_ops): Likewise.
5756 (add_call_read_ops): Likewise.
5757 (add_stmt_operand): Likewise.
5758 (add_virtual_operand): Likewise.
5759 (build_ssa_operands): Likewise.
5761 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5766 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5767 with a call expr to ...
5768 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5770 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5772 * tree-vrp.c (extract_range_from_assert): Remove special
5773 handling for types with super-types.
5775 2006-03-01 Ben Elliston <bje@au.ibm.com>
5777 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5778 and powerpc64-*-linux* configurations.
5779 * config/t-dfprules: New file.
5781 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5782 Compile dfp-bit.c from the source directory using -DWIDTH and
5783 $DFP_CFLAGS to control the compilation of that file, rather than
5784 generating width-specific versions in the build directory.
5785 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5786 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5788 2006-02-28 Zack Weinberg <zackw@panix.com>
5790 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5793 2006-02-28 Eric Christopher <echristo@apple.com>
5795 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5796 Set up IN_LIBGCC definition of TARGET_64BIT.
5797 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5799 2006-02-28 Roger Sayle <roger@eyesopen.com>
5802 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5803 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5804 cases via the construction of "expr != 0".
5806 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5808 * alias.c (alias_invariant, alias_invariant_size): Remove.
5809 (record_base_value): Remove.
5810 (memrefs_conflict_p): Don't look at alias_invariant.
5811 (end_alias_analysis): Don't free it.
5812 * alias.h (record_base_value): Remove prototype.
5814 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5815 Adam Nemet <anemet@caviumnetworks.com>
5817 * rtl.h (truncated_to_mode): Declare it.
5818 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5819 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5820 (RTL_HOOKS_INITIALIZER): Include it.
5821 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5822 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5823 reg_truncated_to_mode.
5824 * rtlanal.c (truncated_to_mode): Define it.
5825 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5827 2006-02-28 Jeff Law <law@redhat.com>
5829 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5830 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5831 the range allowed by TYPE_PRECISION.
5833 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5835 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5837 PR tree-optimization/26419
5838 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5841 2006-02-27 Zack Weinberg <zackw@panix.com>
5843 * doc/md.texi: Fix typo in previous change.
5845 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5849 2006-02-27 Zack Weinberg <zackw@panix.com>
5851 * rtl.def (define_constraint, define_register_constraint)
5852 (define_memory_constraint, define_address_constraint): New MD forms.
5853 * gensupport.c (process_rtx): Put define_constraint etc on the
5855 * genpreds.c (process_define_predicate): Adjust comment. Validate
5856 the name, and call validate_exp to validate the expression.
5857 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5858 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5859 all callers changed.
5860 (validate_exp, needs_variable, struct constraint_data)
5861 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5862 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5863 (const_dbl_constraints, constraint_max_namelen)
5864 (have_register_constraints, have_memory_constraints)
5865 (have_address_constraints, have_address_constraints)
5866 (have_extra_constraints, have_const_int_constraints)
5867 (have_const_dbl_constraints, mangle, add_constraint)
5868 (process_define_constraint, process_define_register_constraint)
5869 (write_enum_constraint_num, write_lookup_constraint)
5870 (write_insn_constraint_len, write_regclass_for_constraint)
5871 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5872 (write_insn_extra_memory_constraint)
5873 (write_insn_extra_address_constraint)
5874 (write_satisfies_constraint_fns): New.
5875 (write_tm_preds_h): If we have new-style constraint definitions,
5876 prototype the functions generated from them, and define the
5877 old constraint interface (still used by generic code) in terms of
5879 (write_insn_preds_c): If we have new-style constraint definitions,
5880 generate all relevant functions from those definitions.
5881 (main): Handle define_constraint etc.
5882 * genoutput.c (struct constraint_data, indep_constraints)
5883 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5884 (mdep_constraint_len): New data structures and functions, defined
5885 #ifdef USE_MD_CONSTRAINTS.
5886 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5887 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5888 use new logic to validate operand constraints against constraint
5890 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5892 * defaults.h: If none of the old-style constraint macros are
5893 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5894 old-style macros; and poison REG_CLASS_FROM_LETTER,
5895 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5897 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5898 * doc/md.texi: Document new constraint-definition mechanism and the
5899 C interface it provides. Remove references to old mechanism
5900 elsewhere in the document.
5901 (Machine Constraints): Use pathnames relative to gcc directory,
5902 i.e. config/ARCH/FILE. Change i386 section to refer to
5903 config/i386/predicates.md; update that section to match docstrings.
5904 * doc/tm.texi: Move all documentation of the old constraint-
5905 definition macros to their own section, clearly mark as obsolete.
5907 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5908 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5910 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5911 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5912 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5914 (splits and peepholes): Use satisfies_constraint_*.
5915 * config/i386/i386.c (memory_address_length)
5916 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5918 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5920 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5921 scalar operation to be put back into the loop.
5923 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5926 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5927 (extract_cie_info): Handle S flag in augmentation string.
5928 (execute_cfa_program): If context->signal_frame, execute also
5929 fs->pc == context->ra instructions.
5930 (uw_frame_state_for): If context->signal_frame, don't subtract one
5931 from context->ra to find FDE.
5932 (uw_update_context_1): Set context->signal_frame to
5934 (_Unwind_GetIPInfo): New function.
5935 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5936 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5938 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5939 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5940 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5941 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5942 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5943 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5944 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5945 x86_64_fallback_frame_state): Set fs->signal_frame.
5946 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5947 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5948 (frob_update_context): Likewise. Workaround missing S flag in
5949 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5950 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5951 Remove the psw_addr + 1 hack.
5953 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5955 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5956 with aggregates here.
5957 (find_func_aliases): Remove code for &<aggregate> from here.
5959 2006-02-26 Roger Sayle <roger@eyesopen.com>
5961 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5962 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5963 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5966 2006-02-26 Roger Sayle <roger@eyesopen.com>
5969 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5971 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5973 * opts.c (decode_options): Do not handle flag_strength_reduce.
5974 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5975 and OPT_fstrength_reduce.
5976 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5977 flag_prefetch_loop_arrays for being nonzero.
5978 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5980 (fprefetch-loop-arrays-rtl): Removed.
5981 (flag_prefetch_loop_arrays): Do not specify the value.
5983 * doc/passes.texi: Update documentation of loop optimizer
5985 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5986 -frerun-loop-opt): Remove.
5988 2006-02-26 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/26421
5991 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5992 in function calls that are ADDR_EXPRs as using the whole structure.
5994 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5996 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5997 * tree-pass.h (pass_loop_optimize): Remove.
5998 * passes.c (pass_loop_optimize): Never run it.
5999 * toplev.c (backend_init): Don't call init_loop.
6000 * opts.c (flag_loop_optimize_set): Remove.
6001 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6002 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6003 the old RTL loop optimizer when profiling enabled.
6004 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6005 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6006 pre-headers for the sake of the old RTL loop optimizer.
6007 * Makefile.in: Remove all references to loop.o.
6009 * doc/invoke.texi: Remove all references to -floop-optimize
6010 and -frerun-loop-opt.
6012 2006-02-26 Zack Weinberg <zackw@panix.com>
6014 * doc/md.texi (Machine Constraints): Refer to all files with paths
6015 relative to gcc directory (i.e. config/CPU/file). Add missing
6016 @table @code ... @end table to M32C subsection.
6018 2006-02-26 Roger Sayle <roger@eyesopen.com>
6020 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6022 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6024 2006-02-26 Roger Sayle <roger@eyesopen.com>
6025 James A. Morrison <phython@gcc.gnu.org>
6028 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6029 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6030 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6031 signedness of the shift operation.
6033 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6035 PR tree-optimization/26359
6036 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6038 2006-02-25 Roger Sayle <roger@eyesopen.com>
6040 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6041 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6042 as X == 0, and some symmetry related transformations.
6043 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6045 2006-02-25 Roger Sayle <roger@eyesopen.com>
6048 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6049 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6050 symmetry related transformations. Fold (X^C1) == C2 as
6053 2006-02-25 Juergen Weigert <jw@suse.de>
6054 Richard Guenther <rguenther@suse.de>
6056 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6058 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6060 * combine.c (gen_lowpart_or_truncate): Call
6061 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6063 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6065 * doc/invoke.texi: Move -fopenmp description to "Options for
6067 Remove reference to -lgomp.
6069 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6071 * doc/install.texi: Require GNU tar version 1.14.
6073 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6075 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6076 * doc/invoke.texi (C++ Dialect Options): Document
6077 -fno-use-cxa-get-exception-ptr.
6078 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6079 * configure: Regenerate.
6080 * c.opt (fuse-cxa-get-exception-ptr): New.
6081 * c-opts.c (c_common_handle_option): Handle
6082 OPT_fuse_cxa_get_exception_ptr.
6083 * c-common.c (flag_use_cxa_atexit): Update documentation.
6084 (flag_use_cxa_get_exception_ptr): New.
6085 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6086 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6088 (C_COMMON_OVERRIDE_OPTIONS): New.
6090 2006-02-24 Roger Sayle <roger@eyesopen.com>
6093 * combine.c (try_combine): Explicitly check whether GET_CODE is
6094 a SET or a CLOBBER, instead on checking that it isn't a USE.
6096 2006-02-24 Roger Sayle <roger@eyesopen.com>
6098 * fold-const.c (fold_comparison): New subroutine of fold_binary
6099 containing transformations common to both the equality and
6100 ordering relational operators, factored out of fold_binary.
6101 (fold_binary): Separate out the equality operators (EQ_EXPR
6102 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6103 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6104 transformations common to both.
6105 (fold_div_compare): Fix latent bugs in the previously unreachable
6106 LT_EXPR and GE_EXPR cases.
6108 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6110 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6111 decl libname for clog to __clog on AIX.
6113 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6115 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6118 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6119 output traceback table for thunks. Localise rs6000_stack_info call.
6121 2006-02-23 Roger Sayle <roger@eyesopen.com>
6122 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6124 * gthr-posix.h (__gthrw): Fix typo in comment.
6126 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6128 * doc/cpp.texi (Character sets): Document that we do support
6129 input files to be in any character set.
6131 2006-02-23 Jeff Law <law@redhat.com>
6133 * tree.h (PHI_ARG_NONZERO): Remove.
6134 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6135 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6136 node to the new node.
6138 PR tree-optimization/26425
6139 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6140 min/max, then assume its varying.
6142 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6144 PR rtl-optimization/26316
6145 * rtlanal.c (enum may_trap_p_flags): New.
6146 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6147 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6148 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6149 (may_trap_after_code_motion_p): New function.
6150 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6151 (find_invariant_insn): Use may_trap_after_code_motion_p.
6152 * rtl.h (may_trap_after_code_motion_p): Declare.
6154 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6156 * emit-rtl.c (immed_double_const): Cleanup.
6158 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6160 Fix PR tree-optimization/26376
6161 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6164 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6167 * gimplify.c (omp_add_variable): Guard variable size decl test with
6168 DECL_SIZE (decl) check.
6170 2006-02-23 Richard Guenther <rguenther@suse.de>
6173 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6174 like aggregate types.
6176 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6178 * configure.ac: Add --with{,out}-long-double-128 configure option.
6179 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6180 * configure: Rebuilt.
6181 * config.in: Rebuilt.
6182 * doc/install.texi (Options specification): Document
6183 --with-long-double-128.
6185 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6186 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6187 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6188 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6190 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6192 * config/s390/s390.c (override_options): Handle
6193 TARGET_DEFAULT_LONG_DOUBLE_128.
6195 * config/alpha/alpha.c (override_options): Handle
6196 TARGET_DEFAULT_LONG_DOUBLE_128.
6198 * config/sparc/sparc.c (sparc_override_options): Handle
6199 TARGET_DEFAULT_LONG_DOUBLE_128.
6201 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6203 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6204 (real-install-headers-tar, real-install-headers-cpio)
6205 (real-install-headers-cp): New targets.
6207 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6209 * tree.h (variable_section): Delete.
6210 * varasm.c (variable_section): Delete.
6212 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6214 * install.texi: Add notes on install.texi2html.
6215 (Building in parallel): Do not use footnotes.
6217 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6220 * doc/install.texi (Configuration): Document --disable-libgomp.
6222 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6224 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6226 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6228 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6229 (vec_extractv2df_0_sse): New.
6231 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6233 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6234 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6235 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6236 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6237 to the result of the expression.
6238 (def_cfa_1): Adjust.
6239 (frame_pointer_cfa_offset): Rename to...
6240 (frame_pointer_fb_offset): ... this. Adjust all uses.
6241 (convert_cfa_to_loc_list): Rename to...
6242 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6243 Pass it on to build_cfa_loc.
6244 (compute_frame_pointer_to_cfa_displacement): Rename to...
6245 (compute_frame_pointer_to_fb_displacement): ... this. New
6246 offset parameter. Use it in computation.
6247 (gen_subprogram_die): Compute cfa_fb_offset with the new
6248 macro, and use it to compute the fb loc list and the
6251 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6253 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6254 replaced with register_operand.
6255 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6256 non-DREG is expensive.
6257 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6258 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6261 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6263 * doc/install.texi2html: Use set -e.
6265 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6267 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6268 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6269 * doc/invoke.texi (-fshared-data): Delete.
6270 * common.opt (fshared-data): Delete.
6271 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6272 (assemble_static_space): Remove #if 0 code.
6273 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6274 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6275 * config/cris/cris.h: Remove FIXME.
6277 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6279 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6282 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6285 * combine.c (simplify_shift_const_1): Disable nested shifts
6286 optimization for vector shifts.
6288 2006-02-20 Roger Sayle <roger@eyesopen.com>
6290 PR tree-optimization/26361
6291 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6292 of unsigned integer types.
6294 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6296 * tree-chrec.c (eq_evolutions_p): New.
6297 * tree-chrec.h (eq_evolutions_p): Declared.
6298 * tree-data-ref.c: Fix formatting.
6299 (datadep_stats, dependence_stats): New.
6301 (print_direction_vector): New.
6302 (dump_data_dependence_relation): Use print_direction_vector.
6303 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6304 (compute_subscript_distance): Static.
6305 (initialize_data_dependence_relation): Static. Get the number
6306 of loops surrounding the references from the callers, and initialize
6307 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6308 base_object_differ_p analyzers.
6309 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6310 compute_overlap_steps_for_affine_1_2,
6311 analyze_subscript_affine_affine): Count the classified dependences.
6312 Print a message when a test failed.
6313 (can_use_analyze_subscript_affine_affine): New.
6314 (analyze_siv_subscript): Compute the data dependences on symbolic
6315 scevs that verify can_use_analyze_subscript_affine_affine.
6316 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6317 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6318 Handle symbolic scevs.
6319 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6321 (subscript_dependence_tester): Moved...
6322 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6323 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6324 DDR_SIZE_VECT instead of getting it in parameter.
6325 (subscript_dependence_tester): ... here. Take as a parameter
6326 loop_nest_depth. Call build_classic_dist_vector and
6327 build_classic_dir_vector.
6328 (compute_affine_dependence): Update subscript_dependence_tester
6329 parameters. Update datadep_stats counters. Call
6330 compute_subscript_distance.
6331 (compute_self_dependence): Save the dist and dir vectors. Call
6332 compute_subscript_distance.
6333 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6334 (compute_all_dependences): Reorder parameters as they were before
6335 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6336 compute_subscript_distance. Update the use of
6337 compute_affine_dependence and initialize_data_dependence_relation.
6338 (find_data_references_in_loop): Handle COMPONENT_REF.
6339 (compute_data_dependences_for_loop): Initialize dependence_stats.
6340 Don't call build_classic_dist_vector and build_classic_dir_vector.
6341 Update the parameters of initialize_data_dependence_relation and
6342 compute_all_dependences. Print the statistics from datadep_stats.
6343 (analyze_all_data_dependences): Static. Not used until the pass for
6344 checking the data dependences is contributed.
6345 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6346 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6347 (initialize_data_dependence_relation, compute_affine_dependence,
6348 analyze_all_data_dependences, compute_subscript_distance): Removed.
6349 (print_direction_vector): New.
6350 * lambda.h (gcd): ... here.
6351 (lambda_vector_gcd): Moved here from gcd_vector.
6352 * lambda-code.c (gcd, gcd_vector): Removed.
6353 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6354 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6356 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6358 * ipa-type-escape.c: Tidy some comments and white space.
6359 * tree-ssa-operands.c: Likewise.
6361 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6364 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6365 (dump_decl_name): Do not walk the decl tree chains.
6366 * tree-pass.h (TDF_CHAIN): Remove.
6368 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6370 * Makefile.in (C): Remove
6372 (.PHONY): Remove C and PROTO
6374 2006-02-20 Roger Sayle <roger@eyesopen.com>
6377 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6378 deprecated CHAR_TYPE tree code.
6380 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6382 * configure.ac (target_list): Add install-info, dvi, html.
6383 * configure: Regenerate.
6385 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6386 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6387 treelang/Make-lang.in: Do not use double-colon rules.
6389 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6391 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6392 (TMT_USED_ALONE): New macro.
6393 * tree-pass.h (PROP_tmt_usage): New property.
6394 (TODO_update_tmt_usage): New todo.
6395 * tree-ssa-alias.c (updating_used_alone): New variable.
6396 (recalculate_used_alone): New function.
6397 (compute_may_aliases): Set updating_used_alone, call
6398 recalculate_used_alone.
6399 * tree-sra.c (pass_sra): Note that this pass destroys
6400 PROP_tmt_usage, and add TODO_update_tmt_usage.
6401 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6402 * tree-flow.h (updating_used_alone): Prototype.
6403 (recalculate_used_alone): Ditto.
6404 * passes.c (execute_todo): Add code to set updating_used_alone,
6405 and call recalculate.
6406 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6407 for clobber if used alone, and add assert to verify used_alone
6410 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6412 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6413 for non tls symbols added.
6414 (legitimize_address): Do nothing for PLUS expressions if one of the
6415 addends is a tls symbol reference.
6417 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6421 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6423 * Makefile.in (BOOTSTRAPPING): New.
6424 (quickstrap): New definition if BOOTSTRAPPING=yes.
6426 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6427 * configure.ac: Substitute all_selected_languages with the languages
6428 that were configured. For all the other variables except
6429 lang_specs_files, include all the languages in the tree.
6430 * configure: Regenerate.
6432 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6433 if there is one. Run the commands to run fixincludes in the same
6436 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6437 * doc/install.texi: Document exact conventions for searching target tools.
6438 Document --with-build-time-tools. Document toplevel bootstrap. Document
6439 something more about building an Ada cross-compiler. Don't list GNU Make
6440 requirements which affect all platforms.
6442 2006-02-19 Roger Sayle <roger@eyesopen.com>
6445 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6446 only equivalent if the have both the same mode and precision.
6448 2006-02-20 Ben Elliston <bje@au.ibm.com>
6450 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6452 2006-02-19 Roger Sayle <roger@eyesopen.com>
6453 Steven Bosscher <stevenb.gcc@gmail.com>
6455 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6456 constant pool references to identify stack mode constants.
6457 * rtlanal.c (constant_pool_constant_p): New predicate to check
6458 whether operand is a floating point constant in the pool.
6459 * rtl.h (constant_pool_constant_p): Prototype here.
6460 * loop.c (scan_loop): Avoid hoisting constants from the constant
6461 pool on STACK_REGS targets.
6462 (load_mems): Likewise.
6463 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6464 loads into x87 registers expensive in terms of register pressure.
6466 2006-02-19 Roger Sayle <roger@eyesopen.com>
6468 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6469 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6471 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6473 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6474 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6476 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6478 * doc/invoke.texi: Document -fipa-pta.
6479 * common.opt: Add ipa-pta option.
6480 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6481 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6482 (do_ds_constraint): Ditto.
6483 (get_constraint_for): Only add to referenced_vars if
6484 referenced_vars exists.
6485 (insert_into_field_list): Rewrite to do this unsorted.
6486 (insert_into_field_list_sorted): Rename old insert_into_field_list
6488 (create_function_info_for): Use insert_into_field_list_sorted.
6489 (create_variable_info_for): Rewrite so it uses unsorted version,
6490 since the field list is sorted.
6491 (intra_create_variable_infos): Only add to referenced_vars if
6492 referenced_vars exists.
6493 (ipa_pta_execute): Init heapvars, and delete when done.
6494 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6496 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6498 * doc/install.texi: Add missing `@samp'.
6500 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6502 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6505 2006-02-18 Mark Wielaard <mark@klomp.org>
6507 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6508 who added new 4.1 features, bug fixes and integration support.
6510 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6513 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6516 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6518 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6519 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6520 (copy_insn_1): Likewise. Don't copy each field individually.
6522 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6524 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6525 * rtl.c (rtx_size): Rename variable to...
6526 (rtx_code_size): ...this.
6527 (rtx_size): New function.
6528 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6529 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6531 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6532 * rtl.h (rtx_code_size): New variable.
6533 (rtx_size): Change from a variable to a function.
6534 (RTX_SIZE): Rename to...
6535 (RTX_CODE_SIZE): ...this.
6538 PR tree-optimization/17106
6539 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6540 (Anchored Addresses): New section.
6541 * doc/invoke.texi (-fsection-anchors): Document.
6542 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6543 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6544 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6545 * hooks.c (hook_bool_mode_rtx_false): New function.
6546 * hooks.h (hook_bool_mode_rtx_false): Declare.
6547 * gengtype.c (create_optional_field): New function.
6548 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6549 SYMBOL_REF_IN_BLOCK_P is true.
6550 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6551 (min_anchor_offset, max_anchor_offset): Likewise.
6552 (use_anchors_for_symbol_p): New hook.
6553 * toplev.c (compile_file): Call output_object_blocks.
6554 (target_supports_section_anchors_p): New function.
6555 (process_options): Check that -fsection-anchors is only used on
6556 targets that support it and when -funit-at-a-time is in effect.
6557 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6558 if the decl doesn't have one.
6559 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6560 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6561 of force_const_mem through use_anchored_address.
6562 (expand_expr_constant): New function.
6563 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6564 calling expand_expr for INDIRECT_REF.
6565 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6566 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6567 * expr.h (use_anchored_address): Declare.
6568 * loop-unroll.c: Don't declare rtx vectors here.
6569 * explow.c: Include output.h.
6570 (validize_mem): Call use_anchored_address.
6571 (use_anchored_address): New function.
6572 * common.opt (-fsection-anchors): New switch.
6573 * varasm.c (object_block_htab, anchor_labelno): New variables.
6574 (hash_section, object_block_entry_eq, object_block_entry_hash)
6575 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6576 (use_blocks_for_decl_p, change_symbol_section): New functions.
6577 (get_variable_section): New function, split out from assemble_variable.
6578 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6579 use_blocks_for_decl_p say so. Use change_symbol_section if the
6580 symbol has already been created.
6581 (assemble_variable_contents): New function, split out from...
6582 (assemble_variable): ...here. Don't output any code for
6583 block symbols; just pass them to place_block_symbol.
6584 Use get_variable_section and assemble_variable_contents.
6585 (get_constant_alignment, get_constant_section, get_constant_size): New
6586 functions, split from output_constant_def_contents.
6587 (build_constant_desc): Create a block symbol if use_object_blocks_p
6588 says so. Or into SYMBOL_REF_FLAGS.
6589 (assemble_constant_contents): New function, split from...
6590 (output_constant_def_contents): ...here. Don't output any code
6591 for block symbols; just pass them to place_section_symbol.
6592 Use get_constant_section and get_constant_alignment.
6593 (force_const_mem): Create a block symbol if use_object_blocks_p and
6594 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6595 (output_constant_pool_1): Add an explicit alignment argument.
6596 Don't switch sections here.
6597 (output_constant_pool): Adjust call to output_constant_pool_1.
6598 Switch sections here instead. Don't output anything for block symbols;
6599 just pass them to place_block_symbol.
6600 (init_varasm_once): Initialize object_block_htab.
6601 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6602 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6603 (place_block_symbol, get_section_anchor, output_object_block)
6604 (output_object_block_htab, output_object_blocks): New functions.
6605 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6606 (TARGET_ASM_OUT): Include it.
6607 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6608 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6609 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6610 (TARGET_INITIALIZER): Include them.
6611 * rtl.c (rtl_check_failed_block_symbol): New function.
6612 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6613 (block_symbol, object_block): New structures.
6614 (rtx_def): Add a block_symbol field to the union.
6615 (BLOCK_SYMBOL_CHECK): New macro.
6616 (rtl_check_failed_block_symbol): Declare.
6617 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6618 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6619 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6620 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6621 * output.h (output_section_symbols): Declare.
6622 (object_block): Name structure.
6623 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6624 (default_use_anchors_for_symbol_p): Declare.
6625 * Makefile.in (RTL_BASE_H): Add vec.h.
6626 (explow.o): Depend on output.h.
6627 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6628 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6629 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6630 (rs6000_use_blocks_for_constant_p): New function.
6632 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6634 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6636 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6639 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6642 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6644 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6648 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6651 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6652 instead of DECL_REGISTER.
6654 2006-02-18 Olivier Hainque <hainque@adacore.com>
6657 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6659 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6662 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6663 * opth-gen.awk: Handle Var and InverseMask together.
6664 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6665 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6666 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6667 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6669 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6670 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6671 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6672 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6673 LINUX_DYNAMIC_LINKER): Define.
6674 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6675 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6677 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6678 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6679 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6681 (TARGET_C99_FUNCTIONS): Don't define.
6682 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6683 GLIBC_DYNAMIC_LINKER.
6684 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6685 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6686 GLIBC_DYNAMIC_LINKER64): Define.
6687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6688 LINUX_DYNAMIC_LINKER64.
6689 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6691 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6693 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6694 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6695 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6696 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6697 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6699 and LINUX_DYNAMIC_LINKER32.
6700 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6702 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6704 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6706 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6707 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6708 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6709 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6710 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6711 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6712 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6713 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6714 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6715 LINUX_DYNAMIC_LINKER): Define.
6716 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6717 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6718 GLIBC_DYNAMIC_LINKER64): Define.
6719 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6720 LINUX_DYNAMIC_LINKER64.
6721 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6722 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6723 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6724 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6725 LINUX_DYNAMIC_LINKER): Define.
6726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6727 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6728 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6729 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6730 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6731 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6732 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6733 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6734 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6735 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6736 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6737 * doc/invoke.texi (-muclibc): Remove caveat about supported
6740 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6742 * doc/cpp.texi (__TIMESTAMP__): Document.
6744 2006-02-17 Roger Sayle <roger@eyesopen.com>
6747 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6748 C is one less than the width of X (and related transformations).
6749 * simplify-rtx.c (simplify_unary_operation_1): Transform
6750 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6751 depending on STORE_FLAG_VALUE, were C is one less then the
6754 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6756 Fix PR tree-optimization/26341
6757 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6758 about NAME_MEMORY_TAG's.
6760 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6763 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6764 with hardware float support, and software float support. Add fcpy
6765 alternative to hardware patterns. Add alternatives to copy between
6766 general and floating-point registers to the 32-bit pattern.
6767 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6768 secondary reload to load a QI or HI mode constant into a floating
6770 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6771 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6773 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6776 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6778 (load_macho_picbase_di): Likewise.
6780 2006-02-16 Jeff Law <law@redhat.com>
6782 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6783 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6784 (ssa_name_nonzero_p): Likewise.
6785 (get_value_range): Return NULL if VRP is not running.
6786 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6787 VRP routines do not discover a range.
6788 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6789 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6790 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6791 (tree_expr_nonnegative_p): Similarly.
6792 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6793 (restore_nonzero_vars_to_original_value): Remove.
6794 (unsafe_associative_fp_binop): Remove.
6795 (tree_ssa_dominator_optimize): Remove initialization and
6796 finalization of nonzero_vars and nonzero_vars_stack.
6797 (dom_opt_initialize_block): No longer push marker on
6799 (dom_opt_finalize_block): No longer call
6800 restore_nonzero_vars_to_original_value.
6801 (record_equivalences_from_phis): No longer look for
6802 nonzero PHI arguments.
6803 (cprop_into_successor_phis): No longer propagate nonzero
6804 property into PHI arguments. Lose unused argument. Caller
6806 (record_equivalences_from_stmt): No longer record nonzero
6807 values for SSA_NAMEs.
6808 (lookup_avail_expr): No longer use nonzero_vars.
6810 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6811 for sizetype when sizetype is unsigned.
6813 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6815 PR rtl-optimization/25603
6816 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6817 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6818 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6819 with new meaning of SETS.
6821 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6826 * config/linux.opt: New file.
6827 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6828 LINUX_DYNAMIC_LINKER): Define.
6829 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6830 * config.gcc (*-*-linux*): Define extra_options.
6831 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6832 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6833 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6834 GLIBC_DYNAMIC_LINKER.
6835 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6836 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6837 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6839 * doc/invoke.texi (GNU/Linux Options): New section.
6841 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6843 * config/sparc/sparc.md (setjmp): Rewrite.
6844 (setjmp_32): Delete.
6845 (setjmp_64): Likewise.
6847 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6849 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6852 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6854 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6857 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6859 PR rtl-optimization/26296
6860 * Makefile.in (loop-invariant.c): Add except.h dependency.
6861 * loop-invariant.c: Include except.h.
6862 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6864 2005-02-16 Paul Brook <paul@codesourcery.com>
6866 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6869 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6871 PR rtl-optimization/25636
6872 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6873 when deciding whether an insn is an initializing insn.
6875 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6877 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6878 (tree_code_size): Ditto.
6879 * tree.h (struct tree_memory_tag): Remove parent_var.
6880 (struct tree_struct_field_tag): New.
6883 (union tree_node): Add sft member.
6884 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6886 (create_sft): Add size and offset argument, set SFT_OFFSET and
6888 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6889 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6890 * tree-flow-inline.h (get_subvar_at): Update for
6891 SFT_OFFSET/SFT_SIZE.
6892 (var_can_have_subvars): Ditto.
6893 (overlap_subvar): Ditto.
6894 * print-tree.c (print_node): Print out interesting things for
6896 * tree-flow.h (struct subvar): Remove offset and size members.
6897 * tree-ssa-operands.c (get_expr_operands): Update for
6898 get_indirect_ref_operands changes.
6899 (get_indirect_ref_operands): Call add_virtual_operand instead of
6900 add_stmt_operand. Only recurse on base var if requested.
6901 (access_can_touch_variable): New function.
6902 (add_stmt_operand): Split virtual operand handling into ...
6903 (add_virtual_operand): Here. Add offset, size, and for_clobber
6904 arguments. Prune alias sets.
6905 (add_call_clobber_ops): Call add_virtual_operand.
6907 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6910 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6912 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6913 than TREE_CODE as index into omp_clause_num_ops array.
6915 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6917 PR rtl-optimization/26184
6918 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6920 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6921 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6922 must_precede, must_follow and tobe_scheduled.
6925 * opts.c (common_handle_option): Free new_option pointer.
6926 * df-core.c (df_analyze): Free postorder pointer.
6928 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6930 * Makefile.in: Fix the examples about the use of stamps
6932 2006-02-15 Michael Matz <matz@suse.de>
6936 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6937 influenced by maximum_field_alignment or DECL_PACKED.
6938 (update_alignment_for_field): Ditto.
6939 (place_field): Ditto.
6940 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6943 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6945 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6946 (debug_flow_info): Pass it.
6947 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6948 * bb-reorder.c (reorder_basic_blocks): Likewise.
6949 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6950 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6951 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6952 * gcse.c (gcse_main, bypass_jumps): Likewise.
6953 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6954 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6955 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6956 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6957 * rtl.h (dump_flow_info): Adjust prototype.
6958 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6959 * var-tracking.c (variable_tracking_main): Likewise.
6960 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6961 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6964 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6966 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6969 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6971 PR tree-optimization/26209
6972 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6973 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6975 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6977 2006-02-14 Roger Sayle <roger@eyesopen.com>
6980 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6981 (X,Y) and the corresponding symmetry related transformations.
6982 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6983 (X,Y) and its symmetry related transformations.
6985 2006-02-14 Roger Sayle <roger@eyesopen.com>
6987 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6990 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6992 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6994 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6997 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6998 support COMDAT group.
6999 * configure: Regenerate.
7001 2006-02-14 Roger Sayle <roger@eyesopen.com>
7006 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7008 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7010 Fix PR tree-optimization/26260
7012 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7014 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7015 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7016 * tree-ssa-structalias.c (create_variable_info_for): Use
7017 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7019 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7021 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7023 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7024 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7025 of the ending condition.
7026 * tree-ssa-loop-manip.c: Include params.h.
7027 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7028 tree_unroll_loop): New functions.
7029 * tree-pass.h (pass_loop_prefetch): Declare.
7030 * loop.c (rest_of_handle_loop_optimize): Test for
7031 -fprefetch-loop-arrays-rtl.
7032 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7033 * timevar.def (TV_TREE_PREFETCH): New timevar.
7034 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7035 pass_loop_prefetch): New.
7036 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7037 (cleanup_tree_cfg_loop): Call scev_reset.
7038 * common.opt (fprefetch-loop-arrays-rtl): Add.
7039 * tree-ssa-loop-prefetch.c: New file.
7040 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7041 (new_temp_expr_table): Initialize expr_vars.
7042 (free_temp_expr_table): Cleanup expr_vars.
7043 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7044 expressions from being merged into one.
7045 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7046 (struct tree_niter_desc): Add control, bound and cmp fields.
7047 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7049 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7050 (tree-cfgcleanup.o): Add SCEV_H dependency.
7051 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7052 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7054 2006-02-14 Richard Guenther <rguenther@suse.de>
7056 PR tree-optimization/26258
7057 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7058 in PHI argument processing.
7060 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7062 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7063 new expression in the requested machine mode.
7065 2006-02-13 Roger Sayle <roger@eyesopen.com>
7067 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7068 directly, instead let do_compare_rtx_and_jump handle this for us.
7069 * expr.c (expand_expr_real_1): Likewise.
7070 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7071 before do_jump_by_parts_greater.
7072 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7073 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7075 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7077 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7079 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7081 PR rtl-optimization/26235
7082 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7083 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7086 2006-02-13 Jeff Law <law@redhat.com>
7088 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7091 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7094 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7095 twice if decl is a builtin. When trying again, call get_callee_fndecl
7096 first to verify it is still a builtin.
7098 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7100 * dwarf2out.c (base_type_die): Don't add AT_name here.
7101 (subrange_type_die): Don't add AT_name here.
7102 (modified_type_die): Rearrange code flow. Do add AT_name here.
7104 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7106 PR rtl-optimization/26247
7107 PR rtl-optimization/26248
7108 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7110 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7112 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7113 * config/fixtfdi.c: Likewise.
7114 * config/fixunstfdi.c: Likewise.
7115 * config/floatditf.c: Likewise.
7117 2006-02-13 Roger Sayle <roger@eyesopen.com>
7120 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7121 into (X,C2) if C1 is a subset of the bits of C2. Transform
7122 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7124 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7126 2006-02-13 Josh Conner <jconner@apple.com>
7129 * varasm.c (function_section): Check for section name before
7130 calling select_section on targets that define
7131 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7132 unlikely_text_section instead of hot_function_section if
7133 first_function_block_is_cold.
7135 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7138 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7140 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7142 PR rtl-optimization/26222
7143 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7144 after tree->rtl expansion.
7145 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7146 before passing it to emit_move_insn.
7148 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7150 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7152 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7153 Clarify documentation.
7154 * c-common.h (warn_write_strings): Remove.
7155 * c-common.c (warn_write_strings): Likewise.
7156 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7159 2006-02-12 Roger Sayle <roger@eyesopen.com>
7162 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7163 (do_jump_parts_zero_rtx): New function renamed from
7164 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7165 (do_jump_parts_equality_rtx): New function split out from
7166 do_jump_parts_equality. Old implementation renamed as above.
7167 Call do_jump_parts_zero_rtx if either operand is zero.
7168 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7169 do all of the heavy lifting.
7170 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7171 calling either do_jump_by_parts_greater_rtx or
7172 do_jump_by_parts_equality_rtx.
7173 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7174 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7175 moved to do_compare_rtx_and_jump, call it directly.
7176 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7177 mode argument. Call do_compare_rtx_and_jump.
7178 (emit_case_nodes): Update calls to do_jump_if_equal.
7180 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7182 PR rtl-optimization/26225
7183 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7185 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7187 PR rtl-optimization/26232
7188 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7190 2006-02-11 Jason Merrill <jason@redhat.com>
7193 * tree-inline.c (declare_return_variable): Just don't use the
7194 modify target if it's a gimple complex reg and the return slot
7197 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7199 * doc/contrib.texi: Update my entry.
7201 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7203 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7205 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7207 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7210 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7212 * doc/invoke.texi (-floop-optimize2): Removed.
7213 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7214 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7215 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7216 * common.opt (floop-optimize2): Removed.
7217 (fmove-loop-invariants): Enabled by default.
7219 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7221 * tree-if-conv.c (combine_blocks): Free the result of
7222 get_loop_exit_edges.
7224 2006-02-10 Jeff Law <law@redhat.com>
7226 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7228 PR tree-optimization/26213
7229 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7230 loop trying to follow SSA_NAME_VALUE chains.
7232 2006-02-10 Richard Guenther <rguenther@suse.de>
7234 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7235 deal with structures that end in implicitly variable sized arrays.
7237 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7239 PR rtl-optimization/24762
7240 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7243 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7245 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7246 (struct ivopts_data): Add regs_used field.
7247 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7248 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7249 instead of loop_data->regs_used;
7250 (free_loop_data): Do not free aux fields for loops.
7251 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7252 and tree_ssa_iv_optimize_finalize.
7254 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7256 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7258 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7261 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7262 computing the effective result type.
7264 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7267 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7268 (tree_overlaps_hard_reg_set): Declare.
7269 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7270 type and signature to match function type expected by walk_tree.
7271 (tree_overlaps_hard_reg_set): New function.
7272 (decl_conflicts_with_clobbers_p): Rename to:
7273 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7274 Use tree_overlaps_hard_reg_set. Changed caller.
7275 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7276 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7277 * cris.c (cris_md_asm_clobbers): Likewise.
7279 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7281 * reload1.c (emit_input_reload_insns): Delete code that tries to
7282 inherit using find_equiv_reg.
7284 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7286 * c-common.h (flag_const_strings): Don't declare.
7287 * c-common.c (flag_const_strings): Remove.
7288 * c.opt (fconst_strings): Remove.
7289 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7290 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7291 (c_common_init_options): Don't set flag_const_strings.
7292 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7294 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7296 * arm.md (tlobits_cbranch): New pattern.
7297 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7298 testing a single bit.
7300 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7303 * tree-ssa-pre.c (create_component_ref_by_pieces):
7304 Handle RETURN_DECL like VAR_DECL.
7306 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7309 * fold-const.c (fold_indirect_ref_1): Fold
7310 "*(foo *)&complexfoo" to "__real__ complexfoo"
7311 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7313 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7315 * tree-flow-inline.h (var_can_have_subvars):
7316 Volatile variables should not have subvariables.
7318 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7321 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7322 multiplying unsigned values.
7325 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7327 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7329 2006-02-08 Jason Merrill <jason@redhat.com>
7332 * tree.def: Elaborate on difference from MODIFY_EXPR.
7333 * doc/c-tree.texi (INIT_EXPR): Likewise.
7334 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7335 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7336 (gimplify_target_expr): Likewise.
7337 (gimplify_cond_expr): Remove target handling.
7338 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7339 (gimplify_expr): Clobber it here.
7340 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7341 Do return slot optimization if we have an INIT_EXPR.
7344 * tree-inline.c (declare_return_variable): Also clear
7345 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7348 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7351 * gimplify.c (gimplify_one_sizepos): Fix typo.
7353 2006-02-08 Jeff Law <law@redhat.com>
7355 PR tree-optimization/21417
7356 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7357 across a backedge if the control statement at the end of the
7358 block is data dependent on other statements in the same block.
7359 (record_temporary_equivalences_from_stmts): Remove over-conservative
7360 test for threading across backedges.
7362 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7363 control statement, handle all three special cases in the same
7364 manner as they all have the same desired solution. No longer
7365 special case edge flag updating when the post dominator is
7368 2006-02-08 Roger Sayle <roger@eyesopen.com>
7370 * tree.def (CHAR_TYPE): Remove.
7371 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7372 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7373 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7374 (gen_string_type_die): Delete unreachable function.
7376 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7377 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7378 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7379 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7380 * builtins.c (type_to_class): Likewise.
7381 * fold-const.c (fold_convert, build_range_check,
7382 merge_ranges): Likewise.
7383 * expr.c (count_type_elements): Likewise.
7384 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7385 * stor-layout.c (layout_type): Likewise.
7386 * ipa-type-escape.c (type_to_consider): Likewise.
7387 * gimplify.c (omp_firstprivatize_type_sizes,
7388 gimplify_type_sizes): Likewise.
7389 * explow.c (promote_mode): Likewise.
7390 * tree-sra.c (is_sra_scalar_type): Likewise.
7391 * varasm.c (output_constant): Likewise.
7392 * tree-inline.c (remap_type_1): Likewise.
7393 * convert.c (convert_to_pointer, convert_to_real,
7394 convert_to_integer, convert_to_complex): Likewise.
7396 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7398 * df-scan.c (df_def_record_1): A set destination may
7399 be a parallel regardless of mode.
7401 2006-02-08 Roger Sayle <roger@eyesopen.com>
7404 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7405 * config/mips/_tilib.c: Remove.
7406 * config/fixtfdi.c: New libgcc source file.
7407 * config/fixunstfdi.c: New source file.
7408 * config/floatditf.c: New source file.
7409 * config/floatunditf.c: New souce file.
7410 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7411 files above instead of config/mips/_tilib.c.
7412 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7414 2006-02-08 Jeff Law <law@redhat.com>
7416 PR tree-optimization/26169
7417 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7420 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7422 * df.h (DF_REG_SIZE): Return the length of the initialized
7425 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7427 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7428 __muldf3): Return a correctly signed zero.
7430 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7432 * passes.c (register_one_dump_file): Accept the current properties
7433 instead of pass number. Adjust call to dump_register. Remove
7435 (register_dump_files): Now a wrapper around...
7436 (register_dump_files_1): ... this one. Do not modify the pass
7438 (next_pass_1): Cosmetic fix.
7439 (execute_todo): Keep second parameter only. Use curr_properties
7440 instead of fetching it from the pass structure. Check and set
7442 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7443 instead of fetching it from the pass structure. Fix calls to
7444 execute_todo. Update curr_properties and initialize .vcg RTL dump
7445 after running the pass. Reset last_verified.
7446 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7448 (FIRST_AUTO_NUMBERED_DUMP): New.
7449 (dump_register): Remove "num" parameter, assign it within the
7451 (get_dump_file_name): Modify template for dumps.
7452 * tree-dump.h (dump_register): Adjust prototype.
7453 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7454 (PROP_trees): Add PROP_gimple_lomp.
7455 (TODO_set_props): New.
7456 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7457 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7458 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7460 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7462 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7463 (sparc64-*-linux*): Likewise.
7464 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7465 * config/sparc/t-linux: New file.
7466 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7467 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7468 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7469 -m32 -mlong-double-128.
7471 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7472 * config/alpha/t-linux: New file.
7473 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7475 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7476 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7477 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7478 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7479 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7480 (CPP_ARCH32_SPEC): Remove.
7482 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7484 PR tree-optimization/26145
7485 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7488 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7491 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7492 >= 240000 when generating code for SOM runtime.
7493 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7494 to $$dyncall when generating code for SOM runtime..
7496 2006-02-07 Dirk Mueller <dmueller@suse.com>
7499 * doc/invoke.texi (-Wsequence-point): Update documentation
7500 that -Wsequence-point is implemented for C++ as well.
7502 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7504 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7505 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7506 (LIB_SPEC): Likewise.
7507 * doc/invoke.texi (SPARC options): Document -pthread.
7509 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7511 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7514 2006-02-07 Roger Sayle <roger@eyesopen.com>
7516 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7517 Correct comment describing BOOLEAN_TYPE.
7519 2006-02-07 Dirk Mueller <dmueller@suse.com>
7521 * c.opt: C++ frontend supports -Wdiv-by-zero.
7522 * c-opts.c (c_common_handle_option): Remove dead case.
7524 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7526 * configure.ac (TLS assembler check): Do not enable TLS by
7527 default on SPARC/Solaris before version 10.
7528 * configure: Regenerate.
7530 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7532 * doc/invoke.texi (xl-compat): Document conversion and support
7535 2006-02-07 Jeff Law <law@redhat.com>
7537 * tree-vrp.c (find_conditional_asserts): Update comments.
7538 (simplify_stmt_for_jump_threading): New.
7539 (identify_jump_threads, finalize_jump_threads): New.
7540 (vrp_finalize): Call identify_jump_threads.
7541 (execute_vrp): Call finalize_jump_threads.
7542 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7543 (vrp_element, vrp_data, vrp_element_p): Remove.
7544 (vrp_hash_elt, vrp_variables_stack): Remove.
7545 (vrp_hash, vrp_eq, record_range): Remove.
7546 (simplify_cond_and_lookup_avail_expr): Remove.
7547 (extract_range_from_cond): Remove.
7548 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7549 (simplify_stmt_for_jump_threading): New.
7550 (dom_thread_across_edge): New wrapper.
7551 (tree_ssa_dominator_optimize): No longer initialize or
7552 finalize any of the VRP datastructures. Remove iteration
7553 step and simplify as a result of removal of iteration step.
7554 (pass_dominator): Perform a cfg cleanup after DOM.
7555 (dom_opt_finalize_block): Use the new common routines
7556 for threading jumps. Simplify stack management slightly.
7557 No longer need to unwind VRP state.
7558 (record_equivalences_from_incoming_edge): No longer record
7560 (eliminate_redundant_computations): No longer call
7561 simplify_cond_and_lookup_avail_expr.
7562 * tree-flow.h (potentially_threadable_block): Prototype.
7563 (thread_across_edge): Likewise.
7564 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7565 (tree-ssa-threadedge.o): Add dependencies.
7566 * tree-ssa-threadedge.c: New file.
7567 * passes.c (init_optimization_passes): Merge PHIs before
7568 calling VRP. Run VRP again late in the SSA optimization pipeline.
7570 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7572 * df-core.c (df_set_blocks): Do not dereference function pointers.
7573 (df_finish1): Likewise.
7574 (df_hybrid_search_forward): Likewise.
7575 (df_hybrid_search_backward): Likewise.
7576 (df_iterative_dataflow): Likewise.
7577 (df_analyze_problem): Likewise.
7578 (df_compact_blocks): Likewise.
7579 (df_dump): Likewise.
7580 * df-scan.c (df_rescan_blocks): Likewise.
7581 (df_record_entry_block_defs): Likewise.
7583 * genconditions.c (write_conditions): Guard the definition of
7584 'insn_conditions' with the check on GCC version.
7585 (write_writer): Guard the traversal 'insn_conditions' with
7586 the check on GCC version.
7588 2006-02-07 Richard Guenther <rguenther@suse.de>
7592 2006-01-30 Richard Guenther <rguenther@suse.de>
7594 * gimplify.c (gimplify_target_expr): Handle easy cases
7595 without creating a temporary.
7597 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7599 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7600 use of float in probability computations. Use edge probabilities
7601 in place of statically computed probabilities.
7602 (min_spec_prob): New static variable.
7603 (schedule_insns): Initialize it.
7604 (GET_SRC_PROB): Removed.
7605 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7607 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7610 * config/ia64/unwind-ia64.c: Revert last change.
7611 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7612 (INCOMING_FRAME_SP_OFFSET): Define.
7614 2006-02-06 Roger Sayle <roger@eyesopen.com>
7616 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7618 2006-02-07 Ben Elliston <bje@au.ibm.com>
7620 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7621 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7622 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7623 (ix86_return_in_memory): Handle TDmode.
7624 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7625 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7627 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7629 * reorg.c (dbr_schedule): Use dump_file instead of file.
7631 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7634 * config/ia64/predicates.md (extr_len_operand): New predicate.
7635 * config/ia64/ia64.md (extv): Tighten constraints.
7637 (*tbit_and_2): Ditto.
7638 (*tbit_and_3): Ditto.
7639 (*tbit_or_2): Ditto.
7640 (*tbit_or_3): Ditto.
7644 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7647 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7649 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7651 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7652 loop_optimizer_init and loop_optimizer_finalize
7653 * tree-ssa-sink.c (execute_sink_code): Ditto.
7654 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7655 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7656 tree_ssa_loop_done): Ditto.
7657 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7658 * sched-ebb.c: Include output.h.
7659 (schedule_ebbs): Do not use dump argument.
7660 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7661 * loop.c (loop_dump_stream): Removed.
7662 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7664 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7665 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7666 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7667 loop_iterations, strength_reduce, record_biv, record_giv,
7668 final_giv_value, check_final_value, check_ext_dependent_givs,
7669 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7670 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7671 dump_file instead of loop_dump_stream.
7672 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7674 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7676 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7677 * haifa-sched.c: Include output.h
7678 (schedule_insns, sched_init): Do not use dump argument.
7679 * mode-switching.c (optimize_mode_switching): Ditto.
7680 * modulo-sched.c (stats_file): Removed.
7681 (print_node_sched_params): Do not call argument dump_file.
7682 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7683 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7685 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7687 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7688 rtl_loop_init, rtl_loop_done): Ditto.
7689 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7690 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7692 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7693 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7694 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7695 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7696 * emit-rtl.c (renumber_insns): Ditto.
7697 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7698 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7699 * regclass.c (regclass): Ditto.
7700 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7701 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7702 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7703 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7705 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7706 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7708 * gcse.c (gcse_file, debug_stderr): Removed.
7709 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7710 rest_of_handle_gcse): Do not use dump argument.
7711 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7712 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7713 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7714 compute_code_hoist_vbeinout, compute_code_hoist_data,
7715 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7716 compute_store_table, build_store_vectors, insert_insn_start_bb,
7717 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7718 store_motion): Use dump_file instead of gcse_file.
7719 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7720 * profile.c (profile_dump_file): Removed.
7721 (branch_prob): Use dump_file instead of profile_dump_file.
7722 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7724 * tree-ssa-copy.c (dump_copy_of): Ditto.
7725 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7726 dump file to life_analysis.
7727 * bt-load.c (branch_target_load_optimize): Ditto.
7728 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7730 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7731 regclass, dbr_schedule): Declaration changed.
7732 * sched-int.h (sched_init): Declaration changed.
7733 * tree-profile.c (tree_profile_dump_file): Removed.
7734 (tree_profile_hooks): Removed profile_dump_file hook.
7735 * rtl-profile (rtl_profile_dump_file): Removed.
7736 (rtl_profile_hooks): emoved profile_dump_file hook.
7737 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7739 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7740 * tree-cfg.c (build_tree_cfg): Ditto.
7741 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7742 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7743 Declaration changed.
7744 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7745 life_analysis and schedule_insns.
7746 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7748 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7750 * config/mips/mips.c (mips_reorg): Ditto.
7751 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7754 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7756 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7757 (s390_mangle_fundamental_type): New.
7758 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7761 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7762 (alpha_mangle_fundamental_type): New.
7763 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7766 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7768 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7770 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7771 (sparc_mangle_fundamental_type): New.
7773 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7775 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7776 (s390x-*-linux*): Likewise.
7777 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7778 * config/s390/t-linux: New file.
7780 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7782 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7783 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7785 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7787 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7788 (ANTIC_SAFE_LOADS): New macro.
7789 (find_or_generate_expression): Add prototype.
7790 (set_contains_value): Allow null set for sake of not always having
7791 to allocate ANTIC_SAFE_LOADS.
7792 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7793 Allow COMPONENT_REF too.
7794 (valid_in_set): Allow COMPONENT_REF.
7795 Check ANTIC_SAFE_LOADS too.
7796 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7797 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7799 (can_PRE_operation): Add COMPONENT_REF.
7800 (create_component_ref_by_pieces): New function.
7801 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7802 (insert_aux): Move AGGREGATE_TYPE_P check here.
7803 (compute_avail): Set bb local stmt uids.
7804 (pass_pre): Use TODO_update_ssa_only_virtuals.
7806 2006-02-06 Ben Elliston <bje@au.ibm.com>
7808 * configure.ac: Unconditionally disable decimal float by default.
7809 * configure: Regenerate.
7811 2006-02-06 Ben Elliston <bje@au.ibm.com>
7813 * read-rtl.c (read_name): Terminate reading on EOF.
7815 2006-02-06 Ben Elliston <bje@au.ibm.com>
7817 * dfp.c (decimal_real_arithmetic): Change second argument type
7818 from int to enum tree_code. Do not always return true, but now
7819 return result of any call to decimal_do helper functions.
7820 * dfp.h (decimal_real_arithmetic): Update prototype.
7822 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7824 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7826 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7829 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7832 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7834 * tree-vrp.c (cfg_loops): Removed.
7835 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7836 Use current_loops instead of cfg_loops. Pass flags to
7837 loop_optimizer_init.
7838 * cfgloopmanip.c (fix_loop_structure): Update only available
7840 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7841 loop_optimizer_init.
7842 * modulo-sched.c (build_loops_structure): Removed.
7843 (sms_schedule): Use loop_optimizer_init.
7844 * loop-init.c (loop_optimizer_init): Use flags to determine
7845 which properties of loops to prepare.
7846 (rtl_loop_init): Pass flags to loop_optimizer_init.
7847 * tree-ssa-sink.c (execute_sink_code): Ditto.
7848 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7849 * tree-ssa-pre.c (init_pre): Ditto.
7850 * cfgloop.h (LOOPS_NORMAL): New.
7851 (loop_optimizer_init): Declaration changed.
7853 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7855 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7856 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7858 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7860 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7862 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7863 * pa/t-pa64: Delete quadlib.c rule.
7864 * pa/x-ada: Revert last change.
7865 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7867 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7869 PR rtl-optimization/26087
7870 * rtlanal.c (canonicalize_condition): Do not cross basic block
7873 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7876 * config/ia64/ia64.c: Include debug.h.
7877 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7878 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7879 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7880 (process_epilogue, process_set, process_for_unwind_directive):
7881 Output unwind info only if requested. Add CFA info if requested.
7882 Add new arguments as needed. Adjust callers.
7883 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7885 (DWARF2_FRAME_INFO): Define to zero.
7886 * config/ia64/unwind-ia64.c: Remove code that compensated for
7887 the CFA offset error fixed above.
7888 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7889 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7890 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7891 -funwind-tables and -fexceptions to enable frame info.
7892 (dwarf2out_frame_init): Define initial CFA even if
7893 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7894 DWARF2_UNWIND_INFO is nonzero, not just defined.
7895 (dwarf2out_frame_finish): Output non-EH call frame info only
7896 if DWARF2_FRAME_INFO is nonzero.
7897 (convert_cfa_to_loc_list,
7898 compute_frame_pointer_to_cfa_displacement): Define even if
7899 unwind info is not supported.
7900 (gen_subprogram_die): Use the above unconditionally. Remove
7901 legacy alternate code.
7902 * toplev.c (compile_file): Compile in call to
7903 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7904 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7906 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7907 Jakub Jelinek <jakub@redhat.com>
7909 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7910 IBM extended float format long double as "g" on powerpc*-linux.
7912 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7915 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7916 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7918 2006-02-03 Jason Merrill <jason@redhat.com>
7921 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7924 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7925 on the return slot if it's an NRV.
7927 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7929 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7930 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7931 rewrite_use): Do not handle USE_OUTER.
7932 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7933 add_iv_outer_candidates, may_replace_final_value,
7934 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7935 (find_interesting_uses_op): Functionality of
7936 find_interesting_uses_outer_or_nonlin moved here.
7937 (find_interesting_uses_outside): Use find_interesting_uses_op.
7939 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7942 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7944 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7945 Ulrich Weigand <uweigand@de.ibm.com>
7948 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7949 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7950 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7951 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7953 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7954 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7955 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7956 Define secondary reloads for TFmode moves.
7957 (constant_modes): Add TFmode.
7958 (NR_C_MODES): Set to 8.
7959 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7961 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7962 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7963 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7964 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7965 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7966 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7967 (FPR mode macro): Add TFmode.
7968 (DSF mode macro): New.
7969 (<de>, <dee> mode attributes): Removed.
7970 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7971 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7972 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7973 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7974 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7975 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7976 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7977 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7978 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7979 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7980 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7981 "*negabs<mode>2", "sqrt<mode>2"):
7982 Changed <de> to <xde>. R constraint replaced by <Rf>.
7983 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7985 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7986 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7987 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7989 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7990 "extenddftf2", "extendsftf2"): New expanders.
7991 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7992 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7993 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7994 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7996 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7997 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7998 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7999 __floatditf): Add a GCC_4.1.0 symbol version tag.
8000 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8003 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8006 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8007 Use targetm.binds_local_p instead of TREE_PUBLIC.
8009 2006-02-02 Roger Sayle <roger@eyesopen.com>
8011 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8012 on INTEGER_TYPEs to indicate that it denotes a character type.
8013 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8014 signed_char_type_node, unsigned_char_type_node and char_type_node.
8015 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8016 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8017 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8019 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8020 Daniel Berlin <dberlin@dberlin.org>
8022 * tree-tailcall.c (arg_needs_copy_p): New function.
8023 (eliminate_tail_call): Use arg_needs_copy_p.
8024 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8025 (add_virtual_phis): New function.
8027 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8029 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8030 #ignore instead of #scratch for %g7 .register directive.
8032 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8034 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8037 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8039 * flow.c (calculate_global_regs_live): Assert that there aren't any
8042 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8044 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8046 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8047 bsi_after_labels iterator.
8048 * tree-if-conv.c (find_phi_replacement_condition,
8049 replace_phi_with_cond_modify_expr): Likewise.
8050 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8051 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8053 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8055 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8057 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8060 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8061 array after growing it.
8063 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8066 * fold-const.c (fold_checksum_tree): Change type of buf.
8068 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8070 * reload.c (push_secondary_reload): Initialize t_icode.
8072 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8074 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8075 -msoft-float -mlong-double-128 only issue a warning, but don't
8076 swich to DFmode long double.
8078 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8080 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8081 has a constant equivalent, iterate over equivalents for arg0,
8082 calling simplify_relational_operation and if there's a result
8083 cheaper than X, apply fold_rtx and return the result.
8085 2006-02-01 Jan Hubicka <jh@suse.cz>
8087 * opts.c (no_unit_at_a_time_default): New global variable.
8088 (decode_options): Use it.
8089 * opts.h (no_unit_at_a_time_default): Declare.
8091 2006-02-01 Paul Brook <paul@codesourcery.com>
8093 * function.c (assign_parm_setup_reg): Use function argument promotion
8095 * expr.c (expand_expr_real_1): Use function argument promotion rules
8098 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8100 * gcc.c (process_command): Change j to 'unsigned int'.
8102 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8105 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8106 Use the corrected index for the character
8107 out of the string constant.
8109 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8111 * mode-switching.c (optimize_mode_switching): Fix size
8112 allocated for bb_info[n_entities].
8114 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8116 * gcc.c (main): Correct type that is allocated for
8117 explicit_link_files.
8119 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8121 * config/s390/s390.c (init_alignment_context): Set
8122 ALIAS_SET_MEMORY_BARRIER on the MEM.
8123 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8125 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8128 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8130 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8133 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8135 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8136 * regrename.c: Ditto.
8137 * tree-ssa-loop-im.c: Ditto.
8138 * tree-dump.c: Ditto.
8139 * tree-complex.c: Ditto.
8140 * genrecog.c: Ditto.
8141 * tree-ssa-threadupdate.c: Ditto.
8143 * java/class.c: Ditto.
8144 * java/jcf-parse.c: Ditto.
8145 * java/resource.c: Ditto.
8146 * java/except.c: Ditto.
8147 * java/jvspec.c: Ditto.
8148 * java/jcf-write.c: Ditto.
8149 * java/jcf-path.c: Ditto.
8150 * java/gjavah.c: Ditto.
8151 * java/zextract.c: Ditto.
8152 * java/jcf-io.c: Ditto.
8153 * java/jcf.h: Ditto.
8154 * java/buffer.c: Ditto.
8155 * java/lang.c: Ditto.
8156 * java/parse-scan.y: Ditto.
8157 * java/lex.c: Ditto.
8158 * java/lex.h: Ditto.
8159 * cfgloopmanip.c: Ditto.
8160 * postreload-gcse.c: Ditto.
8161 * tree-ssa-loop-manip.c: Ditto.
8162 * postreload.c: Ditto.
8163 * tree-ssa-loop-ch.c: Ditto.
8167 * diagnostic.c: Ditto.
8169 * genoutput.c: Ditto.
8171 * cfghooks.c: Ditto.
8172 * cfgloopanal.c: Ditto.
8173 * objc/objc-act.c: Ditto.
8175 * genextract.c: Ditto.
8176 * genautomata.c: Ditto.
8177 * pretty-print.c: Ditto.
8179 * cgraphunit.c: Ditto.
8182 * haifa-sched.c: Ditto.
8183 * dominance.c: Ditto.
8185 * tree-ssa-loop-ivopts.c: Ditto.
8187 * mode-switching.c: Ditto.
8188 * modulo-sched.c: Ditto.
8190 * ipa-pure-const.c: Ditto.
8192 * fix-header.c: Ditto.
8194 * tree-stdarg.c: Ditto.
8195 * ipa-utils.c: Ditto.
8196 * loop-init.c: Ditto.
8197 * ipa-inline.c: Ditto.
8200 * alloc-pool.c: Ditto.
8201 * dwarf2out.c: Ditto.
8203 * genattrtab.c: Ditto.
8204 * tree-ssa-loop-ivcanon.c: Ditto.
8208 * fortran/gfortranspec.c: Ditto.
8210 * local-alloc.c: Ditto.
8211 * langhooks.c: Ditto.
8212 * function.c: Ditto.
8213 * tree-vectorizer.c: Ditto.
8215 * ipa-type-escape.c: Ditto.
8217 * tree-if-conv.c: Ditto.
8220 * tree-data-ref.c: Ditto.
8221 * loop-unroll.c: Ditto.
8222 * treelang/treetree.c: Ditto.
8225 * ggc-common.c: Ditto.
8227 * coverage.c: Ditto.
8229 * tree-cfgcleanup.c: Ditto.
8230 * tree-ssa-pre.c: Ditto.
8231 * cfgcleanup.c: Ditto.
8232 * loop-invariant.c: Ditto.
8234 * ipa-prop.c: Ditto.
8235 * print-tree.c: Ditto.
8236 * conflict.c: Ditto.
8237 * ggc-page.c: Ditto.
8238 * sched-deps.c: Ditto.
8239 * regclass.c: Ditto.
8240 * tree-object-size.c: Ditto.
8242 * bb-reorder.c: Ditto.
8243 * resource.c: Ditto.
8244 * var-tracking.c: Ditto.
8246 * df-problems.c: Ditto.
8247 * reg-stack.c: Ditto.
8250 * sched-rgn.c: Ditto.
8251 * tree-ssa-structalias.c: Ditto.
8252 * tree-ssa-reassoc.c: Ditto.
8253 * config/darwin-c.c: Ditto.
8254 * config/darwin.c: Ditto.
8255 * config/arm/arm.c: Ditto.
8257 * collect2.c: Ditto.
8260 2006-01-31 Nicolas Pitre <nico@cam.org>
8262 * arm.md (smaxsi3): Make aware of smax_m1.
8265 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8267 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8269 2006-01-31 Richard Guenther <rguenther@suse.de>
8271 * doc/invoke.texi (-msselibm): Document.
8272 * target.h (expand_library_builtin): New target hook.
8273 * builtins.c (expand_builtin): Use expand_library_builtin.
8274 (default_expand_library_builtin): New function.
8275 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8276 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8277 (link_gcc_math_spec): Declare.
8278 (static_specs): Add link_gcc_math_spec.
8279 * expr.h (default_expand_library_builtin): Declare.
8280 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8281 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8282 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8283 * config/i386/i386.opt (msselibm): New target option.
8284 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8285 (ix86_init_sse_abi_builtins): New function.
8286 (ix86_expand_library_builtin): Likewise.
8287 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8288 (override_options): Handle error conditions wrt -msselibm.
8289 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8290 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8291 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8294 2006-01-31 Richard Guenther <rguenther@suse.de>
8295 Paolo Bonzini <bonzini@gnu.org>
8297 * doc/install.texi (--disable-libgcc-math): Document.
8299 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8301 * expr.h (expand_normal): new inline function.
8302 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8304 * dwarf2out.c: use it.
8309 * config/sparc/sparc.c: use it.
8310 * config/i386/i386.c: use it.
8311 * config/rs6000/rs6000.c: use it.
8312 * config/arm/arm.c: use it.
8313 * config/mips/mips.c: use it.
8314 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8316 2006-01-30 Roger Sayle <roger@eyesopen.com>
8318 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8319 argv to the appropriate type.
8321 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8323 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8326 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8329 * config/s390/s390.c (struct machine_function): New flag
8330 decomposed_literal_pool_addresses_ok_p.
8331 (s390_reorg): Set it before final stage of literal pool transforms.
8332 (s390_decompose_address): Only accept displacements of the form
8333 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8335 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8337 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8338 the comparison routine return.
8340 2006-01-30 Michael Matz <matz@suse.de>
8342 * global.c (find_reg): Only evict for global regs.
8343 Take n_refs into account and dump more info.
8345 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8348 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8349 (pragma_trap, pragma_nosave_low_regs): Likewise.
8350 (current_function_anonymous_args): Likewise.
8351 (sh_deferred_function_attributes): New variable.
8352 (sh_deferred_function_attributes_tail): Likewise.
8353 (print_operand): For '@', look up trap_exit attribute.
8354 (calc_live_regs): Look up trapa_handler attribute. For trapa
8355 handlers, save/restore fpscr, but don't do any other
8356 interrupt-specific saves.
8357 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8358 Fix check for partially saved registers to check for SHmedia.
8359 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8360 (sh_output_function_epilogue): Don't clear any of the removed
8362 (sh_insert_attributes): Don't check pragma_interrupt.
8363 Insert deferred attributes. Check that interrupt attribute is
8364 present for other attributes that require its presence.
8365 (sh_attribute_table): Add new attributes trapa_handler and
8367 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8368 Don't check for pragma_interrupt. Don't store argument.
8369 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8370 (sh_deferred_function_attributes): Declare.
8371 (sh_deferred_function_attributes_tail): Likewise.
8372 * sh.md (sp_switch_1): Add operand. Change generator caller.
8373 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8374 (*return_i): Don't use when trap_exit attribute is in effect.
8375 (*return_trapa): New insn pattern.
8377 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8378 setting c_target_objs and cxx_target_objs.
8379 * t-sh: Add rule for sh-c.o.
8381 2006-01-30 Richard Guenther <rguenther@suse.de>
8384 * gimplify.c (gimplify_target_expr): Handle easy cases
8385 without creating a temporary.
8387 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8389 * vec.h (safe_grow): Remove duplicated line.
8391 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8394 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8395 (expand_omp): ... here.
8396 (expand_omp_parallel): Only remove barriers for combined
8397 parallel+workshare constructs.
8399 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8403 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8404 * tree.c (build_qualified_type): Chain the new type to the original
8405 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8406 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8407 (build_pointer_type_for_mode): Only return unqualified types.
8408 (build_reference_type_for_mode): Likewise.
8410 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8412 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8413 * Makefile.in (CXX_COMPAT_WARN): Define.
8414 * configure: Regenerate.
8416 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8419 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8422 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8424 * toplev.c: Fix thinko.
8426 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8427 Marcin Dalecki <martin@dalecki.de>
8429 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8430 (push_srcloc): Use XNEW.
8431 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8433 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8435 * df-core.c (df_set_blocks): Deleted all variable.
8437 2006-01-28 Ian Lance Taylor <ian@airs.com>
8439 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8440 cgraph_output_pending_asms.
8442 2006-01-28 Zack Weinberg <zackw@panix.com>
8444 * c.opt: Add -W(no-)overlength-strings.
8445 * doc/invoke.texi: Document it.
8446 * c-opts.c (c_common_handle_option): -pedantic implies
8447 -Woverlength-strings, if not explicitly disabled already.
8448 (c_common_post_options): -Woverlength-strings defaults to off, and
8449 is always off for C++.
8450 * c-common.c (fix_string_type): Issue warning about strings longer
8451 than is portable only if warn_overlength_strings. Rearrange code
8452 a little for clarity.
8453 * configure.in: Check for -Wno-overlength-strings as well before
8454 enabling -pedantic in stage 1.
8455 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8456 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8458 * genconditions.c (write_header, write_one_condition)
8459 (write_conditions, write_writer): Consolidate very long strings
8460 that were broken up to fit in C89 portable limit. Don't use
8461 printf when fputs will do.
8463 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8465 * combine.c (simplify_comparison <AND>): Check
8466 TRULY_NOOP_TRUNCATION before start using a subreg.
8468 * config/mips/mips.md (*branch_zero<mode>,
8469 *branch_zero<mode>_inverted, *branch_equality<mode>,
8470 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8471 Remove mode check from comparisons.
8473 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8475 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8477 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8479 * expmed.c (const_mult_add_overflow_p): Remove.
8480 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8482 * recog.c (validate_replace_rtx_subexp): Remove.
8483 * recog.h: Remove the prototype for
8484 validate_replace_rtx_subexp.
8486 * integrate.h: Remove the prototype for
8487 copy_decl_for_inlining.
8488 * rtl.h: Remove the prototype for mark_constant_function.
8489 * tree-vectorizer.h: Remove the prototype for
8490 vect_strip_conversion.
8492 * modulo-sched.c (create_partial_schedule,
8493 free_partial_schedule, reset_partial_schedule): Make them
8496 * hooks.c (hook_bool_rtx_int_false): Remove.
8497 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8499 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8501 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8502 and -mlong-double-128 are incompatible.
8503 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8504 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8505 (TARGET_LIBGCC2_CFLAGS): Define.
8506 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8507 (TARGET_LIBGCC2_CFLAGS): Same.
8508 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8510 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8513 * c-typeck.c (build_binary_op): Perform implicit casts of
8514 operands before shortening them.
8516 * cfgloopmanip.c (split_loop_bb): Remove.
8517 * cfgloop.h: Remove the prototype for split_loop_bb.
8519 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8520 * cfgloop.h: Remove the prototype for
8521 flow_loop_outside_edge_p.
8523 * emit-rtl.c (init_virtual_regs): Make it static.
8524 * function.h: Remove the prototype for init_virtual_regs.
8526 * recog.c (peephole2_optimize): Make it static.
8527 * recog.h: Remove the prototype for peephole2_optimize.
8529 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8531 * df-scan.c (df_record_entry_block_defs): Check if
8532 INCOMING_RETURN_ADDR_RTX is defined.
8534 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8535 Kenneth Zadeck <zadeck@naturalbridge.com>
8537 PR rtl-optimization/24762
8538 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8539 * targhooks.c (hook_void_bitmap): New hook prototype.
8540 * targhoohs.h (hook_void_bitmap): Ditto.
8541 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8542 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8543 * target.h (live_on_entry): New function pointer.
8544 * df-scan.c (df_all_hard_regs): Removed.
8545 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8546 (df_scan_free_internal): Added df->entry_block_defs.
8547 (df_scan_alloc): Ditto.
8548 (df_scan_dump): Ditto.
8549 (df_uses_record): Plumbed flag field properly thru calls.
8550 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8551 This part fixes PR24762.
8552 (df_bb_refs_record): Added code to make the frame and arg
8553 pointers live in EH blocks.
8554 (df_refs_record): Added call to df_record_entry_block_defs.
8555 (df_record_entry_block_defs): New function.
8556 * df-core.c: Added comments to describe new artifical defs.
8557 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8558 (entry_block_defs): New field in struct df.
8559 (df_all_hard_regs): Deleted.
8560 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8561 * df-problems.c (df_ru_bb_local_compute_process_def):
8562 Added code to handle artifical defs in the entry to a function.
8563 (df_ru_bb_local_compute): Ditto.
8564 (df_rd_bb_local_compute_process_def): Ditto.
8565 (df_rd_bb_local_compute): Ditto.
8566 (df_lr_bb_local_compute): Ditto.
8567 (df_ur_bb_local_compute): Ditto.
8568 (df_urec_bb_local_compute): Ditto.
8569 (df_chain_create_bb): Ditto.
8570 (df_ur_local_finalize): Removed entry.
8571 (df_urec_init): Ditto.
8572 (df_urec_local_finalize): Ditto.
8573 (df_ri_bb_compute): Added detection of last use of pseudos.
8574 * Makefile.in (df-scan.o): Updated dependencies.
8575 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8576 * config/mips/mips.c (mips_set_live_on_entry): Added.
8577 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8579 * dce.c (marked_insn_p): Added code to handle artifical defs.
8581 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8583 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8585 (_mm_cvtsi128_si64): Likewise.
8586 (_mm_cvtsd_si64): Likewise.
8587 (_mm_cvttsd_si64): Likewise.
8588 (_mm_cvtsi64_sd): Likewise.
8589 (_mm_cvtsi64_si128): Likewise.
8590 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8591 (_mm_cvtsi64_m64): Likewise.
8592 (_m_to_int64): Likewise.
8593 (_mm_cvtm64_si64): Likewise.
8594 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8595 (_mm_cvttss_si64): Likewise.
8596 (_mm_cvtsi64_ss): Likewise.
8597 (_mm_cvtss_f32): Likewise.
8599 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8601 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8602 for pragma redefine_extname.
8604 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8607 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8608 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8609 -mno-minimal-toc to previous content.
8610 (bispecs): Remove goal.
8611 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8612 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8613 compatibility aliases on powerpc-*-*gnu*.
8614 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8615 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8616 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8617 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8618 (ldblspecs): New goal.
8619 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8620 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8622 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8623 L_sf_to_tf or L_df_to_tf is defined.
8625 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8626 Alan Modra <amodra@bigpond.net.au>
8629 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8630 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8631 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8632 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8633 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8634 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8635 (rs6000_override_options): Initialize rs6000_ieeequad.
8636 Initialize TFmode format to ibm_extended_format if not
8638 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8640 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8641 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8642 (function_arg_advance): IBM long double passed in two FPRs, not
8644 (function_arg): IBM long double passed in FPRs.
8645 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8646 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8647 Only multireg GPR aligned.
8648 (rs6000_init_libfuncs): Enable IBM long double functions if not
8650 (rs6000_generate_compare): Use IBM long double compare if not
8652 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8653 (TARGET_IEEEQUAD): Define.
8654 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8655 not TARGET_IEEEQUAD.
8656 * config/rs6000/rs6000.md: Enable TFmode patterns if
8658 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8659 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8660 and -mlong-double-128 are incompatible.
8661 * doc/invoke.texi (-mabi): Collect options together. Add
8662 ibmlongdouble and ieeelongdouble.
8664 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8666 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8668 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8669 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8670 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8671 * rtl.h (rtunion_def): Remove rt_ptr.
8673 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8674 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8675 * config/i386/winnt.c (i386_pe_mark_dllexport)
8676 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8678 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8680 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8682 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8686 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8687 pthread_key_delete. From John David Anglin. gthrw-ify
8688 pthread_getunique_np only if it it's not a macro. Delete
8690 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8691 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8692 __gthread_objc_condition_signal, __gthread_key_delete): Add
8693 "__attribute__ ((__unused__))" to unused arguments.
8694 (__gthread_recursive_mutex_init_function): Add missing return.
8695 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8696 gthr-posix95.h: Use macro-based approach for name redirection
8697 on targets missing weakref.
8699 2006-01-26 Zack Weinberg <zackw@panix.com>
8701 * genconditions.c (write_header): In generated code, #ifdef out
8702 all includes and fake declarations, except includes of bconfig.h
8703 and system.h, unless GCC_VERSION >= 3001. Do not include
8704 gensupport.h in any case.
8705 (write_conditions): Generate a definition of struct c_test. Add
8706 a comment to the generated #endif.
8707 (write_one_condition): Escape backslashes in string too.
8708 (write_writer): Generated code must escape backslashes and quote
8709 marks (but not newlines) in the strings it writes.
8710 * Makefile.in (build/gencondmd.o): Update dependencies.
8712 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8715 * Makefile.in (insn-automata.o): Add header file dependencies.
8716 * genautomata.c: Add includes.
8718 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8721 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8723 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8725 * configure.ac: Expect target tools paths to be passed from the toplevel
8726 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8728 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8730 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8733 * c.opt (Wpointer-sign): Init to -1.
8734 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8735 OPT_pedantic, to 0 otherwise.
8736 * doc/invoke.texi: Update.
8738 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8740 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8741 constants provided by 80387 instructions in the destination mode.
8743 2006-01-26 Richard Guenther <rguenther@suse.de>
8744 Andrew Pinski <pinskia@physics.uc.edu>
8747 partial PR tree-opt/17064
8748 * tree-ssa-structalias.c (intra_create_variable_infos):
8749 Create heap variables for incoming parameters if
8750 flag_argument_noalias > 1.
8751 (find_what_p_points_to): Look through default defs of
8754 2006-01-26 Jeff Law <law@redhat.com>
8757 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8758 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8759 within the VR_RANGE, use the VR_RANGE as the result, not the
8761 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8762 bounds for the type.
8764 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8766 * tree-ssa-alias.c (maybe_create_global_var): Change
8767 subvar walking to an assertion that we don't have subvar'd variables.
8769 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8772 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8773 Use a new variable, inner. PARM_DECLs are always non-weak.
8775 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8777 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8780 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8782 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8784 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8786 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8787 (smax_insn, smin_insn, smax_0, smin_0): New.
8789 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8792 * config/cris/cris.c (cris_order_for_addsi3): New function.
8793 * config/cris/cris-protos.h: Prototype it.
8794 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8795 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8796 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8797 (split for "op.S1 [rx=rx+i],ry (swapped)")
8798 (split for "op(s|u).S1 [rx=rx+i],ry")
8799 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8800 Apply cris_order_for_addsi3 when generating addsi3 insns.
8802 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8804 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8805 (TREE_BLOCK): Add call to EXPR_CHECK.
8807 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8810 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8811 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8812 (dump_omp_clauses): ... here.
8813 (dump_generic_node): Handle OMP_CLAUSE.
8814 * tree.c (omp_clause_num_ops): New.
8815 (omp_clause_code_name): New.
8816 (tree_code_size): Handle OMP_CLAUSE.
8817 (tree_size): Likewise.
8818 (make_node): Document handling of OMP_CLAUSE.
8819 (tree_node_structure): Handle OMP_CLAUSE.
8820 (omp_clause_check_failed): New.
8821 (omp_clause_range_check_failed): New.
8822 (omp_clause_operand_check_failed): New.
8823 (build_omp_clause): New.
8824 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8825 * tree.h (enum omp_clause_code): Declare.
8826 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8827 (OMP_CLAUSE_RANGE_CHECK): Define.
8828 (OMP_CLAUSE_ELT_CHECK): Define.
8829 (omp_clause_check_failed): Declare.
8830 (omp_clause_operand_check_failed): Declare.
8831 (omp_clause_range_check_failed): Declare.
8832 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8833 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8834 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8835 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8836 (OMP_CLAUSE_IF_EXPR): Likewise.
8837 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8838 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8839 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8840 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8841 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8842 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8843 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8844 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8845 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8846 (OMP_CLAUSE_CODE): Define.
8847 (OMP_CLAUSE_SET_CODE): Define.
8848 (OMP_CLAUSE_CODE): Define.
8849 (OMP_CLAUSE_OPERAND): Define.
8850 (struct tree_omp_clause): Declare.
8851 (union tree_node): Add field 'omp_clause'.
8852 * treestruct.def (TS_OMP_CLAUSE): Define.
8853 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8854 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8855 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8856 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8857 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8858 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8859 (OMP_CLAUSE): Define.
8860 * print-tree.c (print_node): Handle OMP_CLAUSE.
8861 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8862 * c-typeck.c: Likewise.
8863 * gimplify.c: Likewise.
8864 * c-omp.c: Likewise.
8865 * tree-nested.c: Likewise.
8866 * tree-inline.c: Likewise.
8867 * c-parser.c: Likewise.
8868 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8871 2006-01-25 Roger Sayle <roger@eyesopen.com>
8873 PR rtl-optimization/25703
8874 * combine.c (try_combine): Handle zero_extract and strict_low_part
8875 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8877 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8879 * global.c: Fix comment typos.
8881 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8884 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8885 Use output_addr_const instead of assemble_name.
8887 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8889 * Makefile.in (sched-vis.o): Update dependencies.
8890 * haifa-sched.c (sched_finish): Clear current_sched_info.
8891 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8892 (dump_flow_info): Call it.
8893 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8895 * basic-block.h (dump_bb_info): Declare.
8896 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8897 option, and apply options only for dump files whose TDF_RTL,
8898 TDF_TREE, or TDF_IPA bits match.
8899 * rtl.h: Declare new functions exported from sched-vis.c.
8900 * sched-vis.c: Enable also if scheduling is not used.
8901 (print_value): Print the mode of registers if not inside scheduling.
8902 (print_insn): Make it work outside the scheduler. Beautify the output
8904 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8906 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8908 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8909 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8910 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8911 depending on the value of CONSTANT_POOL_ADDRESS_P.
8912 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8914 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8915 rather than SYMBOL_REF_DECL.
8916 (rtx_constant_pool): Remove const_rtx_sym_htab.
8917 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8918 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8919 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8920 Remove handling of const_rtx_sym_htab.
8921 (find_pool_constant): Delete.
8922 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8923 rather than find_pool_constant.
8924 (get_pool_constant_for_function): Delete.
8925 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8927 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8928 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8929 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8930 (SYMBOL_REF_CONSTANT): New macro.
8931 (get_pool_constant_for_function): Delete.
8932 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8933 rather than SYMBOL_REF_DECL.
8934 (i386_pe_mark_dllimport): Likewise.
8935 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8936 rather than SYMBOL_REF_DECL.
8937 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8938 (machopic_indirect_call_target): Likewise.
8940 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8942 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8944 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8946 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8948 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8950 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8952 2006-01-24 David Daney <ddaney@avtrex.com>
8955 * configure.ac (enable_tls): New enable option.
8956 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8957 * configure: Regenerate.
8958 * doc/install.texi (--enable-tls): Document new option.
8959 (--disable-tls): Ditto.
8961 2006-01-24 Richard Henderson <rth@redehat.com>
8963 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8964 * alias.c (true_dependence): Respect it.
8965 (canon_true_dependence, write_dependence_p): Likewise.
8966 * builtins.c (get_builtin_sync_mem): Set it.
8968 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8970 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8973 2006-01-24 DJ Delorie <dj@redhat.com>
8975 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8976 for storing constants in single-bit bitfields.
8978 2006-01-25 Ben Elliston <bje@au.ibm.com>
8980 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8982 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8985 * tree-ssa-pre.c (phi_translate): Return NULL
8986 for AGGREGATE_TYPE's.
8988 2006-01-24 Zack Weinberg <zackw@panix.com>
8990 * genautomata.c (process_state_for_insn_equiv_partition):
8991 Use xcalloc for insn_arcs_array.
8992 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8993 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8995 2006-01-24 Richard Henderson <rth@redhat.com>
8997 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9000 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9002 PR rtl-optimization/25890
9003 PR rtl-optimization/25905
9004 * combine.c (expand_compound_operation, expand_field_assignment):
9005 Fail if the bitfield's final position is out of bounds.
9007 2006-01-24 Ian Lance Taylor <ian@airs.com>
9010 * cgraphunit.c (cgraph_output_in_order): Don't clear
9011 cgraph_asm_nodes until after asm strings have been output.
9013 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9015 * fix-header.c (read_scan_file): Add new parameter imultilib when
9016 calling register_include_chains.
9018 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9020 * omp-low.c: Update documentation.
9022 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9023 Daniel Berlin <dberlin@dberlin.org>
9027 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9028 return from the function.
9030 2006-01-22 Zack Weinberg <zackw@panix.com>
9032 * rtl.def (match_code): Add second argument.
9033 * genpreds.c (write_extract_subexp): New function.
9034 (write_match_code): Add path argument. Use write_extract_subexp.
9035 (write_predicate_expr): Pass path to write_match_code.
9036 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9037 not perform a mode test.
9038 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9039 a subexpression does not constrain the top-level code set.
9040 * read-rtl.c (read_rtx_variadic): New function.
9041 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9042 * doc/md.texi: Document new notation.
9043 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9044 (cmpsi_operand): ... here, using new notation.
9046 2006-01-22 Zack Weinberg <zackw@panix.com>
9048 * varray.c: Remove GENERATOR_FILE #ifdefs.
9050 2006-01-22 Zack Weinberg <zackw@panix.com>
9052 * genautomata.c (output_reserved_units_table): Emit nothing if
9053 description->query_units_num is zero. Remove extra blank line.
9054 (output_cpu_unit_reservation_p): Short circuit
9055 if description->query_units_num is zero.
9057 2006-01-22 Zack Weinberg <zackw@panix.com>
9059 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9060 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9061 nor any of the random handful of variables that used to be necessary
9062 when this program was linked with rtlanal.o. Prune set of forward
9063 function declarations.
9064 (struct attr_desc): Remove static_p field.
9065 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9066 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9067 (attr_string): Do not read the character one past the length of
9069 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9070 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9071 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9072 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9073 (make_automaton_attrs): New.
9074 (main): Do not call into genautomata. Call local gen_bypass
9075 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9076 Remove special case for insn_alts.
9077 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9078 varray.h (leftover from previous change). Prune set of forward
9079 function declarations. Remove state_alts fields from all
9080 structures. Remove state_alts_table from struct automaton.
9081 Make everything except main static. Do not maintain num_dfa_decls.
9082 Do not maintain state_alts fields of various structures.
9083 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9084 (add_arc): Remove state_alts argument. All callers updated.
9085 (output_reserved_units_table): Emit #ifdef here...
9086 (output_tables): ...not here. Don't generate state_alts tables.
9087 (expand_automata): Don't generate attributes.
9088 (write_automata): Don't generate state_alts functions.
9089 (main): New function.
9090 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9091 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9092 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9093 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9094 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9095 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9096 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9097 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9099 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9100 * genattrtab.h: Delete file.
9101 * Makefile.in (OBJS-common): Add insn-automata.o.
9102 (insn-automata.o): New rule.
9103 (simple_generated_c): Add insn-automata.c.
9104 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9105 (genprogmd): Add automata.
9106 (build/genattrtab): Needs no extra objects nor libraries.
9107 (build/genautomata): Needs build/vec.o and -lm.
9109 2006-01-22 Zack Weinberg <zackw@panix.com>
9111 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9112 (output_dfa_max_issue_rate, locked_states_num): Delete.
9113 (struct automaton): Add locked_states field.
9114 (output_dead_lock_vect): Save number of locked states in
9115 automaton->locked_states. If it is zero, don't print anything.
9116 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9117 (output_internal_dead_lock_func): Only test the dead_lock_vect
9118 for automata that have locked states.
9119 (output_statistics): Always print the number of locked states for
9120 each automaton. Calculate total number of locked states here.
9121 (write_automata): Don't call output_dfa_max_issue_rate.
9122 * genattrtab.c: Define length_unit_log as a const variable.
9123 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9124 max_insn_queue_index const.
9125 * final.c (length_unit_log): Declare const.
9126 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9128 2006-01-22 Zack Weinberg <zackw@panix.com>
9130 * genautomata.c: Include vec.h, not varray.h.
9131 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9132 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9133 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9134 VEC_* macros operating on appropriately typed vectors, or to
9135 malloced arrays when the size is known in advance. Const-ify
9136 many char* variables and function arguments. No functional changes.
9137 * Makefile.in (build/varray.o): Delete rule.
9138 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9139 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9141 2006-01-22 Zack Weinberg <zackw@panix.com>
9143 * gensupport.c: Define get_insn_name and record_insn_name here.
9144 (read_md_rtx): Call record_insn_name as appropriate.
9145 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9146 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9147 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9149 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9150 (BUILD_VARRAY): Delete.
9151 (genprognormal): Rename genprogmd. Fold in all programs from
9152 genprognoprint; also attrtab.
9153 (build/genattrtab): Just mention genautomata.o and varray.o.
9154 Reorganize a bit, add comments to make the categories clearer.
9156 2006-01-22 Zack Weinberg <zackw@panix.com>
9158 * genconditions.c (condition_table, add_condition): Delete.
9159 (write_conditions): Don't emit n_insn_conditions nor
9160 insn_elision_unavailable. Issue the gcc version #ifdef here,
9161 inside the table, with no #else clause ...
9162 (write_header): ...not here.
9163 (write_writer): New function.
9164 (main): Don't initialize condition_table. Use add_c_test.
9166 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9167 files on the command line.
9168 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9169 Return -1 if there is no entry in the table, don't abort.
9170 (add_c_test, traverse_c_tests): New functions.
9171 * gensupport.h (insn_elision_unavailable, insn_conditions)
9172 (n_insn_conditions): Delete declarations.
9173 (add_c_test, traverse_c_tests): Declare.
9174 * read-rtl.c: Include gensupport.h.
9175 (read_conditions): New function.
9176 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9177 (read_rtx_1): If we get EOF when we were looking for an initial
9178 open paren, return 0. Call read_conditions when appropriate.
9179 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9180 dummy-conditions.o. Eliminate references to insn-conditions.o,
9181 or change them to build/gencondmd.o, as appropriate. Remove
9182 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9183 from $(simple_generated_c). For all files remaining in those
9184 two lists, add insn-conditions.md to the generator command line.
9185 Give insn-constants.h/s-constants their own rules. Add rules
9186 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9187 (build/read-rtl.o): Depend on gensupport.h.
9188 (genprognormal): Include preds.
9189 (genprogearly): Rename genprognoprint; only difference is now that
9190 they don't link with $(BUILD_PRINT).
9191 * dummy-conditions.c: Delete.
9193 2006-01-22 Zack Weinberg <zackw@panix.com>
9195 * genextract.c: Don't include insn-config.h. Do include vec.h.
9196 Declare vectors of int, char, and locstr.
9197 (locstr): New typedef.
9198 (struct extraction): Make all array fields into bare pointers.
9199 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9200 (insn_code_number): Delete.
9201 (accum_extract): New struct.
9202 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9203 (gen_insn): Take insn_code_number as an argument. Use an
9204 accum_extract structure instead of loading data directly into
9205 a struct extraction, and having to know how big it might get.
9206 (walk_rtx): Operate entirely on an accum_extract structure.
9207 (print_path): Avoid unnecessary use of printf.
9208 (print_header): New function, split out of main. Distinguish
9209 more carefully between an unrecognizable insn and an insn that
9210 has the code number of a define_expand.
9211 (main): Pass insn_code_number to gen_insn. Call print_header
9212 only after parsing. Avoid unnecessary use of printf.
9213 * Makefile.in (build/vec.o): New rule.
9214 (build/genextract): Depend on build/vec.o.
9215 (build/genextract.o): Don't depend on insn-config.h.
9217 2006-01-22 Zack Weinberg <zackw@panix.com>
9219 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9220 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9221 practical. Eliminate per-generator-program link rules.
9223 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9226 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9227 with a call expr to ...
9228 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9230 2006-01-23 Richard Guenther <rguenther@suse.de>
9232 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9233 before make_edge with conditional EDGE_TRUE_VALUE.
9235 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9236 Jan Hubicka <jh@suse.cz>
9237 Richard Guenther <rguenther@suse.de>
9239 PR rtl-optimization/25654
9240 * cfgexpand.c (aggregate_contains_union_type): New function.
9241 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9242 for structure variables that contain a union type.
9244 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9246 * gengtype.c (new_structure): Return the structure.
9247 (create_option): Add an extra "next" argument.
9248 (create_field): New function.
9249 (adjust_field_rtx_def): Use create_option and create_field.
9250 Remove a now-unnecessary call to find_structure.
9251 (adjust_field_tree_def): Likewise.
9252 (note_yacc_type): Remove an unnecessary call to find_structure.
9253 * gengtype.h (new_structure): Return the structure.
9254 (create_option): Add an extra argument.
9255 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9256 (option): Adjust calls to create_option.
9258 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9260 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9262 2006-01-22 Paul Brook <paul@codesourcery.com>
9263 Peter Barada <peter@the-baradas.com>
9265 * config/m68k/m68k.md: Add Coldfire FPU support.
9266 Define FP mode macro and associated attributes.
9267 Use it for float mode patterns.
9268 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9269 (LIBCALL_VALUE): Use m68k_libcall_value.
9270 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9271 (m68k_function_value): Ditto.
9272 (emit_move_sequence): Ditto.
9273 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9274 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9275 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9276 (MULTILIB_EXCEPTIONS): Ditto.
9277 * config/m68k/m68k.opt: Add mcfv4e.
9278 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9279 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9280 (m68k_output_function_prologue): Save ColdFire FPU registers.
9281 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9282 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9283 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9284 ColdFire FPU registers.
9285 (m68k_libcall_value, m68k_function_value): New functions.
9286 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9287 (LIBCALL_VALUE): Use m68k_libcall_value.
9288 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9289 (MASK_COLDFIRE): Add MASK_CFV4E.
9290 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9291 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9292 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9293 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9294 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9295 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9296 * doc/invoke.tex: Document -mcfv4e on m68k.
9298 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9300 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9303 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9306 * c-opts.c (c_common_handle_option): Don't include
9307 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9308 * doc/invoke.texi (C++ Dialect Options): Document that
9309 -Wnon-virtual-dtor is no longer included in -Wall.
9311 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9313 * gcov.c (print_version), gcov-dump.c (print_version),
9314 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9317 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9319 * df-scan.c (problem_SCAN): Added NULL reset function.
9320 (df_scan_reset_blocks): Added code to call reset block function
9321 (df_bb_refs_delete) Fixed comment.
9322 (df_insn_refs_delete): Made tolerant of deleting non existent info
9323 for dataflow problems that need to be reset.
9324 * df-core.c (df_set_blocks): Ditto.
9325 * df.h (struct df_problem): Added reset_fun.
9326 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9327 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9328 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9329 functions to clear out all references to def-use or use-def chains.
9331 2006-01-21 Ben Elliston <bje@au.ibm.com>
9333 * varasm.c (assemble_real): Initialise data array.
9335 2006-01-20 Paul Brook <paul@codesourcery.com>
9337 Merge from csl-arm-branch.
9338 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9339 * config/arm/arm.md (movdi): Force operands[1] to a register
9340 if we have a non-register source.
9341 (*arm_movdi, *movdf_soft_insn): Require that one of the
9342 operands be a register.
9343 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9344 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9346 2006-01-20 DJ Delorie <dj@redhat.com>
9348 * varasm.c (initialize_constant_valid_p): Allow pointers
9349 initialized from integer constants of lesser precision.
9350 (output_constant): Allow non-int-sized pointer modes to be
9351 initialized from integer constants.
9353 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9356 * cppdefault.h (struct default_include): Add multilib flag.
9357 * cppdefault.c (cpp_include_defaults): Set it.
9358 * c.opt (-imultilib): New option.
9359 * c-opts.c (imultilib): New.
9360 (c_common_handle_option): Handle -imultilib.
9361 (c_common_post_options): Likewise.
9362 * c-incpath.c (add_standard_paths, register_include_chains):
9364 * c-incpath.h (register_include_chains): Add extra parameter.
9365 * gcc.c (do_spec_1): Generate -imultilib option.
9366 (The Specs Language): Update %I description.
9367 (process_command): Update copyright notice.
9368 * doc/cppopts.texi (-imultilib): Document.
9369 * doc/invoke.texi (-imultilib): Include in option summary.
9370 (%I): Update specs documentation.
9372 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9374 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9376 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9378 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9381 2006-01-20 Richard Guenther <rguenther@suse.de>
9382 Steven Bosscher <stevenb.gcc@gmail.com>
9384 PR rtl-optimization/24626
9385 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9386 EDGE_TRUE_VALUE if in RTL mode.
9389 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9390 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9392 2006-01-20 Dirk Mueller <dmueller@suse.com>
9395 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9396 instead of a special NOP marker.
9397 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9398 NOP marker handling.
9399 * c-common.h (empty_body_warning): Add forward declaration.
9400 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9401 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9403 2006-01-20 Paul Brook <paul@codesourcery.com>
9405 * Makefile.in (lang_checks): Keep going if mkdir fails.
9407 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9409 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9410 be able to clean out basic block when not necessary.
9411 (df_scan_free): Fixed to properly delete information if df is
9412 unused before calling df_finish.
9413 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9414 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9416 (df_bb_refs_delete): New function.
9417 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9418 * df-core.c (df_set_blocks): Added code to properly clean out
9419 unused blocks if they are not part of the blocks to consider.
9420 Added additional null check.
9421 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9422 be able to clean out basic block when not necessary
9423 * df.h (df_free_bb_function): Ditto.
9424 (df_bb_refs_delete): New function.
9425 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9426 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9427 basic block parameter to be able to clean out basic block when not
9429 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9430 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9431 Fixed to properly delete information if df is unused before
9434 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9436 PR rtl-optimization/25799
9437 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9438 Corrected confluence operator to remove bits from op2 before oring
9439 with op1 rather than removing bits from op1.
9440 (df_ru_transfer_function): Corrected test on wrong bitmap which
9441 caused infinite loop. Both of these problems were introduced in
9442 the dataflow rewrite.
9444 2006-01-19 DJ Delorie <dj@redhat.com>
9446 * reload1.c (find_reload_regs): Note the details of reload
9447 failures in the dump file.
9448 (spill_failure): Likewise.
9450 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9452 * loop-iv.c: Include df.h and hashtab.h.
9453 (enum iv_grd_result): New enum.
9454 (DF_REF_IV, DF_REF_IV_SET): New macros.
9455 (struct biv_entry): New.
9456 (df, bivs): New global variables.
9457 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9458 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9460 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9461 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9462 analyzed_for_bivness_p, record_biv): New functions.
9463 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9464 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9465 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9467 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9469 (iv_number_of_iterations): Use new interface to iv analysis.
9470 * loop-unroll.c: Do not include varray.h.
9471 (analyze_iv_to_split_insn): Use new interface to iv
9473 * loop-unswitch.c (may_unswitch_on): Ditto.
9474 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9476 (df_bb_modify): Realloc tables to the new index.
9477 (df_find_use): New function.
9478 * df.h (df_find_use): Declare.
9479 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9481 * cfgloop.h (struct rtx_iv): Remove analysed field.
9482 (iv_get_reaching_def): Removed.
9483 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9484 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9485 (loop-iv.o): Add df.h and hashtab.h dependency.
9486 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9488 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9491 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9493 (__floatundisf, __floatundidf): Likewise.
9494 * libgcc2.h (IS_IBM_EXTENDED): Define.
9496 2006-01-19 DJ Delorie <dj@redhat.com>
9498 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9500 2006-01-19 Paul Brook <paul@codesourcery.com>
9502 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9503 as nothrow when unwinding tables are disabled.
9505 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9508 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9509 of bit-field" when in system header.
9511 2006-01-19 DJ Delorie <dj@redhat.com>
9513 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9514 the 16 bit shift limit of the m16c.
9516 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9519 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9520 * config/i386/i386.c (output_set_got): Output the label if we have one
9521 for the TARGET_DEEP_BRANCH_PREDICTION case.
9523 2006-01-19 Jan Hubicka <jh@suse.cz>
9524 H.J. Lu <hongjiu.lu@intel.com>
9525 Evandro Menezes <evandro.menezes@amd.com>
9527 * invoke.texi (generic): Document
9529 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9530 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9531 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9532 (x86_use_incdec, x86_pad_returns): New variables
9533 (TARGET_CPU_DEFAULT_generic): New constant
9534 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9535 (enum processor_type): Add generic32 and generic64.
9536 * i386.md (cpu attribute): Add generic32/generic64
9537 (movhi splitter): Behave sanely when both partial_reg_dependency and
9538 partial_reg_stall are set.
9539 (K8 splitters): Enable for generic as well.
9540 * predicates.md (incdec_operand): Use TARGET_INCDEC
9541 (aligned_operand): Avoid memory mismatch stalls.
9542 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9543 * ppro.md: Enable for generic32
9544 * i386.c (generic64_cost, generic32_cost): New.
9545 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9546 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9547 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9548 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9549 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9550 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9551 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9552 x86_accumulate_outgoing_args, x86_prologue_using_move,
9553 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9554 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9556 (x86_use_incdec, x86_pad_returns): New.
9557 (override_options): Add generic32 and generic64, translate "generic"
9558 to generic32/generic64 and "i686" to "generic32", refuse
9559 "generic32"/"generic64" as arch target.
9560 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9561 (ix86_reorg): Honor PAD_RETURNS.
9563 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9565 * tree-pretty-print.c (dump_generic_node): Handle
9566 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9567 * cgraph.c (cgraph_expand_queue): Rename from
9568 cgraph_analyze_queue. Update all users.
9569 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9570 cgraph_expand_queue.
9571 (cgraph_expand_all_functions): Likewise.
9572 (cgraph_finalize_pending_functions): Remove. Update callers.
9574 * tree.h (OMP_DIRECTIVE_P): Define.
9575 (OMP_PARALLEL_FN): Define.
9576 (OMP_PARALLEL_DATA_ARG): Define.
9577 (OMP_SECTIONS_SECTIONS): Define.
9578 * tree-pass.h (pass_expand_omp): Declare.
9579 * omp-low.c (struct omp_region): Declare.
9580 (struct omp_context): Remove fields 'parallel_type',
9581 'parallel_start_ix' and 'parallel_start_additional_args'.
9583 (struct omp_for_data): Rename from struct expand_omp_for_data.
9584 (omp_regions): New static variable.
9585 (root_omp_region): New static variable.
9586 (find_omp_clause): Make static.
9587 (is_in_combined_parallel_ctx): Remove.
9588 (is_combined_parallel): New.
9589 (extract_omp_for_data): Move earlier in the file.
9590 (workshare_safe_to_combine_p): New.
9591 (get_ws_args_for): New.
9592 (determine_parallel_type): Move earlier in the file.
9593 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9595 (omp_copy_decl): Likewise.
9596 (create_omp_child_function): Likewise.
9597 (lookup_omp_region): New.
9598 (dump_omp_region): New.
9599 (debug_omp_region): New.
9600 (debug_all_omp_regions): New.
9601 (new_omp_region): New.
9602 (scan_omp_parallel): If parallel_nesting_level > 1, the
9603 directive is nested within another parallel directive.
9604 Set OMP_PARALLEL_FN.
9605 (scan_omp_for): Do not try to handle combined parallel+for
9607 Remove FIXME comment.
9608 (scan_omp_nested): Remove.
9609 (scan_omp_1): Do not call scan_omp_nested when
9610 parallel_nesting_level is > 1.
9611 Do not change the DECL_CONTEXT of local variables found.
9612 (lookup_decl_in_outer_ctx): New.
9613 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9614 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9615 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9616 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9617 If CTX is nested, lookup VAR in the outer context when
9618 building copy assignment.
9619 (lower_send_clauses): Rename from expand_send_clauses.
9620 If CTX is nested, lookup VAR in the outer context when
9621 building copy assignments.
9622 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9623 If CTX is nested, lookup VAR in the outer context when
9624 building copy assignments.
9625 (expand_parallel_call): Rename from build_parallel_call.
9626 Handle combined parallel+workshare cases.
9627 Re-implement to emit code into the CFG.
9629 (expand_omp_parallel): Re-implement to emit code into the CFG.
9630 Call move_sese_region_to_fn to outline the sub-graph
9631 containing the parallel region.
9632 (expand_omp_for_1): Remove.
9633 (expand_omp_for_generic): Re-implement to emit code into the
9635 (expand_omp_for_static_nochunk): Likewise.
9636 (expand_omp_for_static_chunk): Likewise.
9637 (expand_omp_for): Likewise.
9638 (expand_omp_sections): Likewise.
9639 (remove_exit_barriers): New.
9640 (expand_omp_synch): New.
9642 (build_omp_regions_1): New.
9643 (build_omp_regions): New.
9644 (execute_expand_omp): New.
9645 (gate_expand_omp): New.
9646 (pass_expand_omp): Define.
9647 (lower_omp_sections): Rename from expand_omp_sections.
9648 Set OMP_SECTIONS_SECTIONS.
9649 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9650 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9651 (lower_omp_single): Rename from expand_omp_simple.
9652 (lower_omp_master): Rename from expand_omp_master.
9653 (lower_omp_ordered): Rename from expand_omp_ordered.
9654 (lower_omp_critical): Rename from expand_omp_critical.
9655 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9656 (lower_omp_for): Re-implement.
9657 (lower_omp_parallel): Re-implement.
9658 (lower_regimplify): Rename from expand_regimplify.
9659 (lower_omp_1): Rename from expand_omp_1.
9660 If there are syntax errors in the program, replace every
9661 OpenMP directive with NOP.
9662 Call lower_omp_* instead of expand_omp_*.
9663 (lower_omp): Rename from expand_omp.
9665 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9666 * tree-gimple.h (enum omp_parallel_type): Remove.
9667 (gimple_boolify): Declare extern.
9668 (find_omp_clause, determine_parallel_type): Remove.
9670 * gimple-low.c (lower_omp_directive): New.
9671 (lower_stmt): Call it.
9672 (record_vars_into): Move from ...
9673 (record_vars): ... here.
9674 Call record_vars_into with current_function_decl.
9676 * gimplify.c (struct gimplify_ctx): Remove fields
9677 combined_pre_p and combined_ctxp. Update users.
9678 (get_formal_tmp_var): Add documentation.
9679 (gimple_boolify): Make extern.
9680 (gimplify_expr_in_ctx): Remove. Update callers.
9681 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9682 will always be a BIND_EXPR.
9683 (gimplify_expr): Handle OMP_RETURN_EXPR.
9684 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9685 (OMP_PARALLEL): Add 3 operands.
9686 (OMP_SECTIONS): Add 1 operand.
9687 (OMP_RETURN_EXPR): Define.
9689 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9690 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9691 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9692 creating a circular free list.
9693 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9695 * tree-flow.h (move_sese_region_to_fn): Declare.
9696 (record_vars_into): Declare.
9697 * tree-cfg.c (make_omp_sections_edges): New.
9698 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9699 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9700 OMP_SECTIONS and OMP_SECTION.
9701 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9702 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9703 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9704 (gather_blocks_in_sese_region): New.
9705 (struct move_stmt_d): Declare.
9707 (move_block_to_fn): New.
9708 (move_sese_region_to_fn): New.
9710 * passes.c (init_optimization_passes): Schedule
9711 pass_expand_omp after pass_init_datastructures.
9713 * tree-ssa-operands.c (get_expr_operands): Handle
9714 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9715 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9717 2006-01-19 Jeff Law <law@redhat.com>
9719 * tree-vrp.c (extract_range_from_assert): Refine the result range
9720 if the variable referenced by the ASSERT_EXPR has a range and
9721 either the tentative result range or the previous range is a
9724 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9726 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9728 2006-01-19 Jan Hubicka <jh@suse.cz>
9730 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9732 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9734 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9735 (expand_compound_operation, expand_field_assignment): Fail if the
9736 bit lengths of an extract operation are out of range.
9737 (make_extraction): Compute wanted_inner_mode based on the position
9738 and length of the extraction. Make it extraction_mode for non-constant
9739 positions, and do not modify offset in that case. When generating a
9740 new MEM, use a mode that can hold the extraction while keeping correct
9741 alignment. Remove code that supported MEMs wrapped by USEs.
9742 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9744 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9746 * config/s390/s390.md ("Y", "y"): New mode attribute.
9747 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9748 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9749 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9750 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9751 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9752 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9753 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9754 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9755 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9756 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9757 "addsi3", "subsi3"): Insn patterns removed.
9758 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9759 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9760 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9761 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9762 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9763 "*sub<mode>3_cconly2"): New insn patterns.
9764 ("addsi3", "subsi3"): New expanders.
9766 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9768 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9769 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9770 existing STMT_VINFO_VECTYPE if available.
9771 (vect_mark_relevant): Add special handling for stmts that are
9772 marked as STMT_VINFO_IN_PATTERN_P.
9773 (vect_analyze_loop): Call vect_pattern_recog.
9774 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9775 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9777 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9778 (vect_recog_func_ptr): New function-pointer type.
9779 * tree-vect-patterns.c: New file.
9780 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9781 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9782 (vect_pattern_recog_1): New functions.
9783 (vect_pattern_recog_funcs): New array of function pointers.
9785 * tree-vectorizer.h (ternary_op): New enum value.
9786 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9787 declaration. Revised documentation. Removed redundant dump prints.
9788 Removed redundant argument. Added support for reduction patterns.
9789 (vectorizable_reduction): Added support for reduction patterns.
9790 (vect_transform_stmt): Added support for patterns.
9792 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9793 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9794 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9795 (expand_widen_pattern_expr): New function.
9796 (init_optabs): Initialize new optabs udot_prod_optab,
9798 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9799 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9800 (expand_widen_pattern_expr): New function declaration.
9801 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9803 * tree-inline.c (estimate_num_insns_1): Added cases for new
9804 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9805 * tree-pretty-print.c (dump_generic_node): Likewise.
9806 (op_prio): Likewise.
9807 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9808 * tree-ssa-operands.c (get_expr_operands): Added case for
9810 * tree-vect-patterns.c (widened_name_p): New function.
9811 (vect_recog_dot_prod_pattern): Added function implementation.
9812 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9813 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9814 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9815 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9817 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9818 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9819 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9820 (init_optabs): Initialize new optabs widen_ssum_optab,
9822 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9823 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9824 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9825 use instead of type of def.
9826 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9827 function implementation.
9828 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9829 widen_ssumv8hi): New.
9831 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9834 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9837 * c-decl.c (add_flexible_array_elts_to_size): New function.
9838 (finish_decl): Use it.
9840 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9842 * diagnostic.h: Include options.h.
9843 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9844 dependancies for diagnostic.h.
9845 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9847 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9849 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9850 (ssa_ro_call_cache_valid): Ditto.
9851 * tree-ssa-alias.c (sort_tags_by_id): New function.
9852 (init_transitive_clobber_worklist): Ditto.
9853 (add_to_worklist): Ditto.
9854 (mark_aliases_call_clobbered): Ditto.
9855 (compute_tag_properties): Ditto.
9856 (set_initial_properties): Ditto.
9857 (compute_call_clobbered): Ditto.
9858 (compute_may_aliases): Call compute_call_clobbered and grouping.
9859 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9860 (compute_flow_insensitive_aliasing): Grouping now happens in our
9862 (setup_pointers_and_addressables): Remove clobbering related code.
9863 (add_may_alias): Ditto.
9864 (replace_may_alias): Ditto.
9865 (get_nmt_for): Ditto.
9866 (create_global_var):
9867 (is_escape_site): Return an escape_type enumeration.
9868 * tree-flow-inline.h (is_call_clobbered): Global var does not
9869 imply call clobbered.
9870 (mark_call_clobbered): Take a reason for marking this. Remove
9871 marking of globalness, and cache invalidation.
9872 (clear_call_clobbered): Remove cache invalidation code.
9873 * tree-dfa.c (dump_variable): If details is on, dump the reason
9875 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9877 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9878 (struct var_ann_d): Ditto.
9879 (enum escape_type): New.
9880 (mark_call_clobbered): Adjust prototype.
9881 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9882 are never call clobbered.
9883 Record reasons for escaping.
9884 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9885 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9886 (ssa_ro_call_cache_valid): Ditto.
9887 (clobbered_v_may_defs): Ditto.
9888 (clobbered_vuses): Ditto.
9889 (ro_call_vuses): Ditto.
9890 (clobber_stats): New.
9891 (init_ssa_operands): Zero out clobber stats.
9892 (fini_ssa_operands): Print out clobber stats.
9893 (get_call_expr_operands): Pass callee fndecl to
9895 (add_call_clobber_ops): Remove use of cache.
9896 Add use of PURE_CONST information.
9897 (add_call_read_ops): Remove use of cache.
9898 Add use of static not_read information.
9900 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9902 Introduce TLS descriptors for i386 and x86_64.
9903 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9904 (TARGET_ANY_GNU_TLS): New macro.
9905 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9906 (struct machine_function): Add tls_descriptor_call_expanded_p.
9907 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9908 (ix86_current_function_calls_tls_descriptor): Likewise.
9909 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9910 (override_options): Introduce gnu2 tls dialect.
9911 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9913 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9915 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9916 (ix86_init_machine_status): Initialize new field.
9917 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9918 (ix86_tls_module_base): New.
9919 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9920 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9921 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9922 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9923 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9924 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9925 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9926 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9927 * config/i386/predicates.md (tls_modbase_operand): New.
9928 (tp_or_register_operand): New.
9930 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9932 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9933 (look_for_address_of): Ditto.
9934 (ipa_init): Walk the function decls.
9935 (static_execute): Don't set readonly on FUNCTION_DECL's.
9937 2006-01-18 Roger Sayle <roger@eyesopen.com>
9939 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9940 for shifts where the source and destination registers are different.
9942 2006-01-18 Paul Brook <paul@codesourcery.com>
9944 Merge from csl-arm-branch.
9945 2005-03-14 Julian Brown <julian@codesourcery.com>
9946 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9947 (aeabi_llsl): Likewise.
9948 (ashrdi3): Likewise.
9949 (aeabi_lasr): Likewise.
9950 (lshrdi3): Likewise.
9951 (aeabi_llsr): Likewise.
9952 2005-03-10 Julian Brown <julian@codesourcery.com>
9953 * config.gcc: Disable shared libgcc for SymbianOS.
9954 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9956 2006-01-18 DJ Delorie <dj@redhat.com>
9958 * c-pragma.c (handle_pragma_diagnostic): New.
9959 (init_pragma): Register it.
9960 * doc/extend.texi: Document it.
9962 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9963 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9964 (diagnostic_context): Add classify_diagnostic[].
9965 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9966 as errors if they're overridden to DK_WARNING.
9967 (diagnostic_initialize): Initialize classify_diagnostic[].
9968 (diagnostic_set_kind_override): New.
9969 (diagnostic_report_diagnostic): Check for kind changes.
9970 * opts.c (common_handle_option): Take lang_mask. Update callers.
9972 * common.opt (Werror=): New.
9973 * doc/invoke.texi: Document -Werror=*
9975 2006-01-18 Jeff Law <law@redhat.com>
9977 * tree-vrp.c (test_for_singularity): Correct test for new
9978 min limit. Use operand_equal_p rather than pointer equality
9979 for testing if new min/max values are equal.
9981 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9982 using range information until after propagation and folding.
9984 2006-01-18 Richard Henderson <rth@redhat.com>
9985 Aldy Hernandez <aldyh@redhat.com>
9986 Jakub Jelinek <jakub@redhat.com>
9987 Diego Novillo <dnovillo@redhat.com>
9989 * omp-low.c: New file.
9990 * c-omp.c: New file.
9992 2006-01-18 Richard Henderson <rth@redhat.com>
9993 Jakub Jelinek <jakub@redhat.com>
9994 Diego Novillo <dnovillo@redhat.com>
9996 * doc/invoke.texi: Document -fopenmp.
9997 * tree-dump.h (debug_function): Declare.
9998 * hooks.c (hook_bool_tree_bool_false): New function.
9999 (hook_tree_tree_null): Remove.
10000 (hook_tree_tree_tree_null): New.
10001 * hooks.h: Update to match.
10002 * tree-pretty-print.c (debug_tree_chain): New.
10003 (print_generic_expr): Handle TDF_CHAIN.
10004 (dump_generic_node): Handle BLOCK.
10005 Do not abort with incomplete SWITCH_EXPRs.
10006 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10007 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10008 print space after directive name.
10009 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10010 Handle OMP_MASTER and OMP_ORDERED.
10011 Handle printing of OMP_BODY just in one place, goto
10012 dump_omp_body in the rest of OMP_* nodes that have
10014 Don't handle clause nodes here. Update omp statements to
10015 use dump_omp_clauses.
10016 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10017 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10018 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10019 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10020 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10021 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10022 Adjust output for GOMP_PARALLEL.
10023 (dump_omp_clauses): New.
10024 (print_declaration): Dump DECL_VALUE_EXPR.
10025 (op_symbol_1): Split out of op_symbol.
10026 (dumping_stmts): Remove. Update all users.
10027 * cgraph.c (cgraph_analyze_queue): New.
10028 (cgraph_add_new_function): New.
10029 * cgraph.h (cgraph_analyze_queue): Declare.
10030 (cgraph_add_new_function): Declare.
10031 (cgraph_lower_function): Remove.
10032 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10033 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10034 and TYPE_P nodes in its default clause.
10035 (empty_body_p): New.
10036 (tree_range_check_failed): New.
10037 (build5_stat): New.
10038 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10039 OMP_CLAUSE_REDUCTION_MERGE,
10040 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10041 OMP_CLAUSE_PRIVATE_DEBUG,
10042 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10043 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10044 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10045 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10046 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10047 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10048 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10049 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10050 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10051 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10052 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10053 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10054 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10055 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10056 (TREE_RANGE_CHECK): New.
10057 (empty_body_p): Declare.
10058 (enum omp_clause_default_kind): New.
10059 (build_string_literal): Declare.
10060 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10061 (build5_stat, build5): Declare.
10062 * tree-pass.h (TDF_CHAIN): Define.
10063 * tree-pass.h (PROP_gimple_lomp): Define.
10064 (pass_lower_omp): Declare.
10065 * diagnostic.h (debug_tree_chain): Declare.
10066 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10068 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10069 * builtins.c (build_string_literal): Make extern.
10070 * gcc.c (include_spec_function): New.
10071 (static_spec_functions): Add it.
10072 (main): Move load of libgomp.spec ...
10073 (LINK_COMMAND_SPEC): ... here.
10074 (link_gomp_spec): New.
10075 (static_specs): Include it.
10076 (LINK_COMMAND_SPEC): Add link_gomp.
10077 (GOMP_SELF_SPECS): New.
10078 (driver_self_specs): Include it.
10079 (switch_matches): Don't mark inline.
10080 (main): Load libgomp.spec.
10081 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10082 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10083 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10084 * tree-gimple.h (enum omp_parallel): Declare.
10085 (determine_parallel_type): Declare.
10086 (omp_firstprivatize_variable): Declare.
10087 (omp_reduction_init): Declare.
10088 (diagnose_omp_structured_block_errors): Declare.
10089 (struct walk_stmt_info): Add want_return_expr.
10090 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10091 (find_omp_clause): Declare.
10092 (insert_field_into_struct): Declare.
10093 (struct walk_stmt_info): Move from tree-nested.c
10094 (walk_stmts): Declare.
10095 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10097 * cgraphunit.c (cgraph_lower_function): Make static.
10098 (cgraph_finalize_pending_functions): New.
10099 (cgraph_finalize_function): Call it.
10100 (cgraph_finalize_compilation_unit): Likewise.
10101 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10102 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10103 (BT_FN_UINT_UINT): New.
10104 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10105 DEF_FUNCTION_TYPE_VAR_4): Document.
10106 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10107 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10108 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10109 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10110 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10111 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10112 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10113 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10114 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10115 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10116 into separate files.
10117 (DEF_GOMP_BUILTIN): New.
10118 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10119 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10120 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10121 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10122 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10123 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10124 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10125 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10126 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10127 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10128 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10129 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10130 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10131 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10132 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10133 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10134 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10135 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10136 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10137 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10138 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10139 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10140 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10141 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10142 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10143 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10144 * sync-builtins.def: New file, moved from builtins.def.
10145 * omp-builtins.def: New file, moved from builtins.def.
10146 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10147 * gimple-low.c (lower_function_body): Clear data.
10148 (lower_stmt): Do not handle COMPOUND_EXPR.
10149 Remove call to print_node_brief.
10150 * c-tree.h (c_finish_omp_clauses): New prototype.
10151 (C_DECL_THREADPRIVATE_P): Define.
10152 (lookup_name_no_remap, c_omp_remap_private): Remove
10153 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10154 (check_for_loop_decls): Update decl.
10155 (lookup_name_no_remap, c_omp_remap_private): Declare.
10156 (build_indirect_ref, build_modify_expr, pushdecl,
10157 pushdecl_top_level): Move to c-common.h.
10158 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10159 before the switch, but just in the 2 places that need it.
10160 * c-decl.c (diagnose_mismatched_decls): Do not check for
10161 mismatched thread-local attributes when OLDDECL is marked
10162 threadprivate and NEWDECL has no thread-local attributes.
10163 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10164 (c_gimple_diagnostics_recursively): Rename from
10165 c_warn_unused_result_recursively. Invoke
10166 diagnose_omp_structured_block_errors.
10167 (check_for_loop_decls): Return a singular decl found.
10168 * langhooks.c (lhd_omp_predetermined_sharing): Return
10169 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10170 (lhd_omp_firstprivatize_type_sizes): New.
10171 (lhd_omp_assignment): New.
10172 (lhd_omp_predetermined_sharing): New.
10173 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10174 (struct lang_hooks_for_types): Add
10175 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10176 omp_predetermined_sharing, omp_disregard_value_expr,
10177 omp_private_debug_clause, omp_clause_default_ctor,
10178 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10179 (c_finish_omp_clauses): New.
10180 (c_finish_bc_stmt): Diagnose break within omp for.
10181 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10182 (build_unary_op): Return error_mark after reporting
10184 (build_modify_expr): Likewise.
10185 * gimplify.c: Include optabs.h and pointer-set.h.
10186 (enum gimplify_omp_var_data): Declare.
10187 (struct gimplify_omp_ctx): Declare.
10188 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10190 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10191 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10192 (splay_tree_compare_decl_uid): New.
10193 (new_omp_context): New.
10194 (delete_omp_context): New.
10195 (gimple_add_tmp_var): Call omp_add_variable.
10196 (gimplify_bind_expr): Likewise.
10197 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10198 true, disregard DECL_VALUE_EXPR on the decl if any.
10199 (gimplify_expr_in_ctx): New.
10200 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10201 omp_add_variable, omp_notice_variable, omp_is_private
10202 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10203 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10204 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10205 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10206 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10207 gimplify_omp_atomic): New.
10208 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10209 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10210 OMP_CRITICAL and OMP_ATOMIC.
10211 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10212 * c-pragma.h (enum pragma_kind): Add
10213 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10214 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10215 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10216 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10217 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10218 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10219 PRAGMA_OMP_THREADPRIVATE.
10220 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10221 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10222 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10223 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10224 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10225 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10226 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10227 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10228 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10229 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10230 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10231 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10232 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10234 (struct nesting_info): Add field_map,
10235 suppress_expansion, debug_var_chain.
10236 (create_nesting_tree): Initialize them.
10237 (lookup_field_for_decl): Use field_map.
10238 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10239 (convert_local_omp_clauses): New.
10240 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10241 (walk_body): Split out of walk_function.
10242 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10243 (convert_nonlocal_reference): Handle omp statements.
10244 (convert_local_reference): Likewise.
10245 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10246 (unnest_nesting_tree): New.
10247 (lower_nested_functions): Call it.
10248 (insert_field_into_struct): Make extern.
10249 (struct walk_stmt_info): Move to tree-gimple.h.
10250 (walk_stmts): Make extern.
10251 * omp-builtins.def: New file.
10252 * tree-iterator.c (expr_only): Clarify comment.
10253 * c-common.h (pushdecl_top_level, pushdecl,
10254 build_modify_expr, build_indirect_ref,
10255 c_finish_omp_master, c_finish_omp_critical,
10256 c_finish_omp_ordered, c_finish_omp_barrier,
10257 c_finish_omp_atomic, c_finish_omp_flush,
10258 c_finish_omp_for, c_split_parallel_clauses,
10259 omp_clause_default_kind, c_omp_sharing_predetermined,
10260 c_omp_remap_decl): Declare.
10261 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10262 (OBJS-common): Add omp-low.o.
10263 (c-omp.o, omp-low.o): Add.
10264 (gimplify.o): Add dependency on $(OPTABS_H).
10265 (GTFILES): Add omp-low.c.
10266 (gt-stringpool.h): Add.
10267 * tree-cfg.c (set_bb_for_stmt): Do not update the
10268 block-to-labels map if we are currently expanding to RTL.
10269 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10271 Handle IDENTIFIER_NODE.
10272 (tree_verify_flow_info): Do not ICE when emitting error
10273 messages about invalid labels.
10274 (dump_function_to_file): Reset CFUN before emitting the body
10276 (debug_function): New.
10277 * passes.c (init_optimization_passes): Schedule
10279 * langhooks-def.h (lhd_omp_predetermined_sharing,
10280 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10282 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10283 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10284 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10285 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10286 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10287 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10288 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10289 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10290 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10291 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10292 (LANG_HOOK_DECLS): Use them.
10294 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10295 Richard Henderson <rth@redhat.com>
10296 Jakub Jelinek <jakub@redhat.com>
10297 Diego Novillo <dnovillo@redhat.com>
10299 * c-parser.c (pragma_omp_clause): Define.
10300 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10301 (c_parser_compound_statement): Likewise.
10302 (c_parser_statement): Likewise.
10303 (c_parser_pragma): Handle omp pragmas.
10304 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10305 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10306 (c_parser_omp_clause_name, check_no_duplicate_clause,
10307 c_parser_omp_variable_list,
10308 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10309 c_parser_omp_clause_copyprivate,
10310 c_parser_omp_clause_default,
10311 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10312 c_parser_omp_clause_lastprivate,
10313 c_parser_omp_clause_nowait,
10314 c_parser_omp_clause_num_threads,
10315 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10316 c_parser_omp_clause_reduction,
10317 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10318 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10319 c_parser_omp_atomic, c_parser_omp_barrier,
10320 c_parser_omp_critical, c_parser_omp_flush,
10321 c_parser_omp_for_loop, c_parser_omp_for,
10322 c_parser_omp_master, c_parser_omp_ordered,
10323 c_parser_omp_sections_scope, c_parser_omp_sections,
10324 c_parser_omp_parallel, c_parser_omp_single,
10325 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10326 * c-pragma.c (init_pragma): Do omp pragma registration here.
10327 * c.opt (fopenmp): New flag.
10329 2006-01-18 Eric Christopher <echristo@apple.com>
10331 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10332 * config/darwin.h (GOMP_SELF_SPECS): Define.
10334 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10336 * rtl.h: Remove the prototype for reg_alloc.
10338 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10341 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10342 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10343 sjlj and dwarf2 exception handling.
10344 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10345 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10346 * pa/pa.c (function_value): Treat complex and vector types as
10348 (function_arg): Likewise. Only pass scalar floats in the floating
10349 point argument registers.
10350 * pa/t-slibgcc-dwarf-ver: New file.
10351 * pa/t-slibgcc-sjlj-ver: New file.
10352 * pa/t-slibgcc-elf-ver: Delete file.
10354 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10356 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10357 unlikely_test_section_p test.
10359 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10361 * mode-switching.c (optimize_mode_switching): Make it static.
10362 * basic-block.h: Remove the prototype for
10363 optimize_mode_switching.
10365 * modulo-sched.c (sms_schedule): Make it static.
10366 * rtl.h: Remove the prototype for sms_schedule.
10368 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10369 * rtl.h: Remove the prototype for gcse_after_reload_main.
10371 * reg-stack.c (reg_to_stack): Make it static.
10372 * rtl.h: Remove the prototype for reg_to_stack.
10374 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10376 * rtl.h: Remove the prototypes for regrename_optimize and
10377 copyprop_hardreg_forward.
10379 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10381 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10382 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10383 Test against the appropriate null constant for the mode.
10384 If 'fixup_overlap' is true, swap the operands if they overlap.
10385 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10386 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10387 alpha_split_tmode_pair and adjust for above change.
10388 * config/alpha/alpha.md (movtf_internal): Adjust call to
10389 alpha_split_tfmode_pair and rely on it to swap the operands.
10390 (movti_internal): New insn and post-reload splitter.
10391 (movti): New expander.
10393 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10395 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10398 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10400 * rtlanal.c (global_reg_mentioned_p_1,
10401 global_reg_mentioned_p): Remove.
10402 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10404 * flow.c (initialize_uninitialized_subregs): Make it static.
10405 * rtl.h: Remove the prototype for
10406 initialize_uninitialized_subregs.
10408 * function.c (instantiate_virtual_regs): Make it static.
10409 * function.h: Remove the prototype for
10410 instantiate_virtual_regs.
10412 * regmove.c (regmove_optimize, combine_stack_adjustments):
10414 * rtl.h: Remove the prototypes for regmove_optimize and
10415 combine_stack_adjustments.
10417 2006-01-17 Roger Sayle <roger@eyesopen.com>
10419 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10420 (size_cost): Encode costs in bytes so that a reg-reg addition is
10421 equivalent to COSTS_N_INSNS(1).
10422 (override_options): Use the size_cost.branch_cost as the default
10423 ix86_branch_cost when optimizing for size.
10425 2006-01-18 Ben Elliston <bje@au.ibm.com>
10427 * Makefile.in (D32PBIT_FUNCS): New.
10428 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10429 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10430 D64PBIT_FUNCS and D128PBIT_FUNCS.
10431 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10432 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10434 (decnumber_dep): Define.
10435 * doc/libgcc.texi (Decimal float library routines): New node.
10436 * config/dfp-bit.h, config/dfp-bit.c: New files.
10438 2006-01-18 Ben Elliston <bje@au.ibm.com>
10440 * expr.c (emit_move_change_mode): Always adjust addresses, not
10441 just during reload. Copy replacements only during reload.
10442 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10443 emit_move_via_integer.
10445 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10447 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10448 instead of $(srcdir) and ${srcdir}.
10450 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10453 PR middle-end/11135
10454 * arm.h (struct machine_function): Add pic_reg.
10455 * arm.c (arm_pic_register): Make unsigned.
10456 (arm_override_options): Only set arm_pic_register if
10457 TARGET_SINGLE_PIC_BASE.
10458 (use_return_insn): Only test for a pic register if it is fixed.
10459 (arm_compute_save_reg0_reg12_mask): Likewise.
10460 (thumb_compute_save_reg_mask): Likewise.
10461 (legitimate_pic_operand): Factor out some known invariants.
10462 (legitimize_pic_address): If we don't have a fixed pic register,
10463 then set up a pseudo in the function entry sequence. Handle the
10464 pic base being in a pseudo.
10465 (arm_load_pic_register): Handle the pic register being in a pseudo.
10466 (arm_expand_prologue): Only set up the pic register if it is fixed.
10467 (thumb_expand_prologue): Likewise.
10468 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10469 (pic_load_addr_based_insn): Likewise.
10470 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10473 2006-01-18 Ben Elliston <bje@au.ibm.com>
10475 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10476 decimal float modes for all floating point registers.
10478 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10479 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10481 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10484 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10485 even when the pointer is not NULL.
10487 2006-01-16 Ian Lance Taylor <ian@airs.com>
10489 * common.opt (ftoplevel-reorder): New option.
10490 * cgraph.c (cgraph_asm_nodes): New global variable.
10491 (cgraph_asm_last_node): New static variable.
10492 (cgraph_order): New global variable.
10493 (cgraph_create_node): Set new order field.
10494 (cgraph_varpool_node): Likewise.
10495 (decide_is_variable_needed): Return true if not
10496 flag_toplevel_reorder.
10497 (cgraph_add_asm_node): New function.
10498 * cgraph.h (struct cgraph_node): Add order field.
10499 (struct cgraph_varpool_node): Add order field.
10500 (struct cgraph_asm_node): Define.
10501 (cgraph_asm_nodes, cgraph_order): Declare.
10502 (cgraph_add_asm_node): Declare.
10503 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10505 (cgraph_varpool_assemble_pending_decls): Call it.
10506 (cgraph_output_pending_asms): New static function.
10507 (cgraph_finalize_compilation_unit): Call it.
10508 (struct cgraph_order_sort): Define.
10509 (cgraph_output_in_order): New static function.
10510 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10511 !flag_toplevel_reorder case.
10512 * c-parser.c: Include "cgraph.h".
10513 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10515 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10516 than -fno-unit-at-a-time.
10517 * doc/invoke.texi (Option Summary): Mention
10518 -fno-toplevel-reorder.
10519 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10520 -funit-at-a-time documentation.
10522 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10523 Kazu Hirata <kazu@codesourcery.com>
10525 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10527 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10529 * Makefile.in (FUNCTION_H): New. Use it instead of
10530 function.h throughout the file.
10531 * function.h: Include tree.h.
10533 2006-01-17 Ben Elliston <bje@au.ibm.com>
10535 * recog.c: Separate some functions with whitespace.
10537 2006-01-16 Richard Henderson <rth@redhat.com>
10539 Merge from gomp branch:
10540 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10541 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10542 and rename from struct inline_data. Rename callee* to dst*;
10543 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10544 transform_new_cfg, transform_return_to_modify, and
10545 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10547 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10548 (copy_decl_for_dup): Remove.
10549 * tree-inline.c (struct inline_data): Move to header.
10550 (insert_decl_map): Export.
10551 (remap_decl): Update for member name changes. Use copy_decl hook.
10552 Allow for replacement to be a non-decl. Remove dead code.
10553 (remap_type_1): Check for existing mapping.
10554 (remap_type): Export.
10555 (remap_decls): Update for member name changes.
10556 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10557 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10558 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10559 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10560 (tree_function_versioning, build_duplicate_type): Likewise.
10561 (copy_body_r): Likewise. Export.
10562 (copy_decl_for_dup): Split into ...
10563 (copy_decl_for_dup_finish, copy_decl_to_var,
10564 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10565 (replace_ref_tree, inlining_p): Remove.
10567 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10569 * ifcvt.c (if_convert): Make it static.
10570 * rtl.h: Remove the prototype for if_convert.
10572 * local-alloc.c (local_alloc): Make it static.
10573 * rtl.h: Remove the prototype for local_alloc.
10575 * loop.c (loop_optimize): Make it static.
10576 * cfgloop.h: Remove the prototype for loop_optimize.
10579 2006-01-16 DJ Delorie <dj@redhat.com>
10581 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10584 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10586 * pa.md: Disparage copies between general and floating-point registers
10587 in 32-bit move patterns.
10589 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10592 * Makefile.in (check-%): Depend on site.exp instead of
10593 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10596 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10598 * global.c (global_alloc): Make it static.
10599 * rtl.h: Remove the prototype for global_alloc.
10601 2006-01-16 Richard Guenther <rguenther@suse.de>
10603 * tree-ssa-alias.c (struct used_part): Add write_only field.
10604 (get_or_create_used_part_for): Initialize it to true.
10605 (create_overlap_variables_for): Don't create structure variables
10606 for structures that only are written to.
10607 (find_used_portions): Handle MODIFY_EXPR to track whether a
10608 structure is only written to.
10610 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10612 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10614 * basic-block.h: Remove the prototype for
10615 partition_hot_cold_basic_blocks.
10617 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10619 * cppspec.c (lang_specific_spec_functions): Remove.
10620 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10621 * gcc.h (lang_specific_spec_functions): Remove.
10622 * gccspec.c (lang_specific_spec_functions): Remove.
10624 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10626 * combine.c (record_value_for_reg): Invalidate registers
10628 (record_dead_and_set_regs_1): Likewise, by passing them to
10629 record_value_for_reg.
10630 (record_dead_and_set_regs): Invalidate stores made by a
10631 call. We do not combine across a call, but we still
10632 relied on equivalences.
10634 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10636 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10637 vrp_int_const_binop returning non-constant nodes.
10639 2006-01-16 Paul Brook <paul@codesourcery.com>
10641 * config/m68k/m68k.c (output_move_const_into_data_reg):
10642 Output correct mnemonic for mvz and mvs.
10644 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10646 * rtl-factoring.c: Add sequence abstraction algorithm.
10647 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10648 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10650 (block_has_preserve_label): New function.
10651 * common.opt: Register new pass.
10652 * Makefile.in: Ditto.
10654 * timevar.def: Ditto.
10655 * tree-pass.h: Ditto.
10656 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10657 * rtl.h (make_jump_insn_raw): Add forward decl.
10658 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10660 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10661 Roger Sayle <roger@eyesopen.com>
10663 * fold-const.c (fold_minmax): New static function.
10664 (fold_binary) <MIN_EXPR>: Call it.
10665 <MAX_EXPR>: Likewise.
10666 * stor-layout.c (place_field): Use DECL_SIZE consistently
10667 in the computation of the new record size.
10669 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10671 * cse.c (cse_condition_code_reg): Make it static.
10672 * rtl.h: Remove the prototype for cse_condition_code_reg.
10674 * combine.c (combine_instructions): Make it static.
10675 * rtl.h: Remove the prototype for combine_instructions.
10677 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10680 * tree.c (get_file_function_name_long): Concatenate the first global
10681 object name with a string derived from the input filename of the object
10684 2006-01-16 Ben Elliston <bje@au.ibm.com>
10686 * config/i386/winnt-stubs.c: Update FSF address.
10687 * config/xtensa/ieee754-df.S: Ditto.
10688 * config/xtensa/ieee754-sf.S: Ditto.
10690 2006-01-14 Ian Lance Taylor <ian@airs.com>
10692 * ifcvt.c (noce_init_if_info): New static function, broken out of
10693 noce_process_if_block.
10694 (noce_process_if_block): Call noce_init_if_info.
10695 (check_cond_move_block): New static function.
10696 (cond_move_process_if_block): New static function.
10697 (process_if_block): Call cond_move_process_if_block.
10699 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10701 * cselib.c (hash_table): Rename to cselib_hash_table.
10702 (cselib_clear_table, discard_useless_values,
10703 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10704 cselib_init, cselib_finish): Adjust uses of hash_table.
10706 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10708 PR tree-optimization/25485
10709 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10710 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10711 is known to be false and true, respectively.
10713 2006-01-14 Richard Guenther <rguenther@suse.de>
10715 PR tree-optimization/22548
10716 PR tree-optimization/22555
10717 PR tree-optimization/22501
10718 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10719 * params.def (salias-max-array-elements): New parameter.
10720 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10721 * doc/invoke.texi (salias-max-array-elements): Document.
10722 * tree-flow-inline.h (var_can_have_subvars): We also handle
10724 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10726 * tree-ssa-structalias.c (params.h): Include.
10727 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10728 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10729 (get_constraint_for): For ADDR_EXPR operating on something
10730 containing an ARRAY_REF, add all subvars to the solution.
10731 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10732 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10733 for creating MUST_DEFs.
10734 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10736 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10738 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10740 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10741 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10742 number_of_iterations_le): New functions.
10743 (number_of_iterations_special): Removed.
10744 (number_of_iterations_exit): Do not use number_of_iterations_special.
10745 * tree.c (unsigned_type_for): Always return integer type.
10747 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10748 Richard Guenther <rguenther@suse.de>
10750 PR rtl-optimization/24257
10751 * gcse.c (find_moveable_store): Only consider a store movable
10752 when the SET_SRC of the insn can be assigned to a register.
10754 2006-01-14 Ian Lance Taylor <ian@airs.com>
10756 * tree.c (tree_not_class_check_failed): New function.
10757 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10758 (tree_not_class_check_failed): Declare.
10760 2006-01-13 Ian Lance Taylor <ian@airs.com>
10762 * reload1.c (do_output_reload): Add assertion rejecting a
10765 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10767 * combine.c (struct reg_stat): Add new fields truncation_label and
10769 (record_value_for_reg): Reset truncated_to_mode.
10770 (record_truncated_value): New function.
10771 (check_promoted_subreg): Call it. Rename to check_conversions.
10772 (combine_instructions): Rename check_promoted_subreg to
10774 (reg_truncated_to_mode): New function.
10775 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10776 (gen_lowpart_or_truncate): New function.
10777 (force_to_mode): Use it instead of gen_lowpart.
10779 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10781 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10782 VAR is a tag, not its type tag.
10784 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10786 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10787 alternatives to match style of other entries.
10788 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10790 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10792 PR tree-optimization/25771
10793 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10796 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10799 * tree-inline.c (declare_return_variable): If the return variable
10800 was marked as a non gimple complex, set the return slot variable
10801 to be a non gimple comple variable.
10803 2006-01-13 Richard Guenther <rguenther@suse.de>
10805 * builtins.c (expand_builtin_sincos): New function.
10806 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10808 (expand_builtin): Expand sincos using expand_builtin_sincos.
10810 2006-01-12 DJ Delorie <dj@redhat.com>
10812 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10813 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10814 so that constant shifts can be split.
10815 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10816 (m32c_valid_pointer_mode): Make static.
10817 (shift_gen_func_for): New.
10818 (m32c_prepare_shift): Use it. Split large const shifts into
10820 * config/m32c/predicates.md (shiftcount_operand): Allow more
10822 (longshiftcount_operand): New.
10823 * doc/md.texi (Machine Constraints): Document In6.
10825 2006-01-13 Ben Elliston <bje@au.ibm.com>
10827 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10828 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10831 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10833 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10834 to try to avoid clobbering pieces of structures when we know
10835 something about the whole structure.
10836 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10838 2006-01-13 Ben Elliston <bje@au.ibm.com>
10840 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10841 return in memory, as this is no limitation is no longer present.
10843 2006-01-12 DJ Delorie <dj@redhat.com>
10845 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10846 mova with fb, and for fb+0 -> An.
10848 * config/m32c/mov.md (peephole2): Fix enabling logic.
10850 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10851 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10852 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10853 FINI_ARRAY_SECTION_ASM_OP): Define.
10855 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10857 (m32c_legitimize_reload_address): New logic to reload FB to An.
10858 (m32c_output_reg_push): Add newline.
10859 (m32c_output_reg_pop): Likewise.
10861 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10863 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10865 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10867 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10869 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10871 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10874 2006-01-11 Ben Elliston <bje@au.ibm.com>
10876 * rtlanal.c (find_reg_note): Assert insn is not null.
10878 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10880 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10883 2006-01-11 Jeff Law <law@redhat.com>
10885 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10887 (mark_threaded_blocks, register_jump_thread): New functions.
10888 (thread_through_all_blocks): Remove unwanted argument. No
10889 longer rely on e->aux to communicate thread target info.
10890 Call mark_threaded_blocks. Release the threaded_blocks
10891 bitmap and threaded_edges vector when complete.
10892 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10893 (threaded_blocks): Remove.
10894 (tree_ssa_dominator_optimize): Remove initialization and
10895 finalization of threaded_blocks. Simplify call to
10896 thread_through_all_blocks.
10897 (thread_across_edge): Call register_jump_thread rather than
10898 storing thread information into e->aux.
10899 (free_all_edge_infos): Simplify now that e->aux is no longer
10900 used to communicate with thread_through_all_blocks.
10901 * tree-flow.h (thread_through_all_blocks): Update prototype.
10902 (register_jump_thread): Prototype.
10904 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10906 * df-core.c (df_compact_blocks, df_bb_replace): Use
10907 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10909 2006-01-11 Richard Guenther <rguenther@suse.de>
10911 PR tree-optimization/25734
10912 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10913 stop propagation after successful propagation to the LHS.
10915 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10917 * basic-block.h (control_flow_graph): Change the type of
10918 x_basic_block_info to VEC(basic_block,gc) *.
10919 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10921 (SET_BASIC_BLOCK): New.
10922 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10923 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10924 * cfgbuild.c (find_basic_blocks): Likewise.
10925 * cfglayout.c (fixup_reorder_chain): Likewise.
10926 * cfgrtl.c (create_basic_block_structure,
10927 rtl_create_basic_block): Likewise.
10928 * ifcvt.c (find_if_case_1): Likewise.
10929 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10932 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10934 * Makefile.in: Removed rotted odf.c entry.
10936 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10939 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10940 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10941 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10942 output pattern modifier, not %e.
10943 * config/cris/cris.c (cris_op_str): Update comment about pattern
10945 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10946 before falling through into...
10947 <case 'E'>: Redefined from old 'e' case.
10949 2006-01-11 Jan Hubicka <jh@suse.cz>
10952 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10954 2006-01-11 Jan Hubicka <jh@suse.cz>
10956 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10957 * i386.c (x86_decompose_lea): Kill.
10958 (ix86_rtx_costs): Kill.
10960 2006-01-11 Jan Hubicka <jh@suse.cz>
10962 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10963 * cgraph.h (cgraph_node): Add inline_decl.
10964 (cgraph_insert_node_to_hashtable): Declare.
10965 (save_inline_function_body): Declare.
10966 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10968 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10969 (cgraph_function_versioning): Update call of tree_function_versioning.
10970 (save_inline_function_body): New function.
10971 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10972 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10973 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10974 (cgraph_default_inline_p): Likewise.
10975 (cgraph_decide_inlining_incrementally): Likewise.
10976 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10977 (copy_bb): Kill saving; do updating of clones.
10978 (copy_cfg_body): Kill saving.
10979 (initialize_inlined-parameters): Likewise.
10980 (expand_call_inline): Likewise.
10982 (tree_function_versioning): New parameter "update_clones".
10983 (inlining_p): Kill saving.
10984 * tree-inline.h (tree_function_versioning): Update prototype.
10985 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10988 2006-01-11 Ian Lance Taylor <ian@airs.com>
10990 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10991 Allow undoing set of machine mode.
10992 (do_SUBST): Use enums instead of is_int.
10993 (do_SUBST_MODE): New function.
10994 (SUBST_MODE): New macro.
10995 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10996 reg and trying to replace reg_regno_rtx with a new register.
10997 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10998 (simplify_set): Use SUBST_MODE.
10999 (distribute_notes): Remove code that tried to update reg notes
11000 for regno_reg_rtx changes.
11002 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11004 PR tree-optimization/23109
11005 PR tree-optimization/23948
11006 PR tree-optimization/24123
11008 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11009 * tree-cfg.c (single_noncomplex_succ): New.
11010 * tree-flow.h (single_noncomplex_succ): Declare it.
11011 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11012 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11013 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11014 insert_bb, register_division_in, insert_reciprocals,
11015 replace_reciprocal, free_bb): New.
11016 (execute_cse_reciprocals_1): Rewritten.
11017 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11018 Do not commit any edge insertion. Always compute dominators and
11019 create the allocation pool.
11020 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11021 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11022 * targhooks.c (default_min_divistions_for_recip_mul): New.
11023 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11024 * passes.c (init_optimization_passes): Run recip after tree loop
11026 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11028 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11029 Kenneth Zadeck <zadeck@naturalbridge.com>
11031 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11032 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11033 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11034 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11035 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11036 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11037 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11038 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11039 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11040 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11041 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11042 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11043 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11044 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11045 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11046 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11047 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11048 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11049 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11050 DF_SCAN_POST_ALLOC): New macros.
11051 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11052 df_free_bb_function, df_local_compute_function, df_init_function,
11053 df_dataflow_function, df_confluence_function_0,
11054 df_confluence_function_n, df_transfer_function,
11055 df_finalizer_function, df_free_function, df_dump_problem_function,
11056 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11057 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11058 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11059 df_urec_bb_info, ) New types.
11060 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11062 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11063 df_analyze_simple_change_some_blocks,
11064 df_analyze_simple_change_one_block, df_compact_blocks,
11065 df_bb_replace, df_bb_regno_last_use_find,
11066 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11067 df_insn_regno_def_p, df_find_def, df_find_use,
11068 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11069 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11070 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11071 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11072 debug_df_chain, df_get_dependent_problem, df_chain_create,
11073 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11074 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11075 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11076 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11077 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11078 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11079 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11080 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11081 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11082 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11083 df_reorganize_refs, df_set_state, df_hard_reg_init,
11084 df_read_modify_subreg_p) New public functions.
11085 * df-core.c: The core dataflow solver and glue routines for rtl
11087 (df_init, df_add_problem, df_set_blocks, df_finish,
11088 df_hybrid_search_forward, df_hybrid_search_backward,
11089 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11090 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11091 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11092 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11093 df_reg_defined, df_find_use, df_reg_used, df_dump,
11094 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11095 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11096 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11097 debug_df_useno, reset_df_after_reload): New functions.
11098 * df-scan.c: The scanning fuctions, once in df.c, completely
11099 rewritten so that they now fully model the functionality of
11100 register usage at the backend.
11101 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11102 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11103 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11104 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11105 df_get_artificial_defs, df_get_artificial_uses,
11106 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11107 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11108 df_refs_delete, df_reorganize_refs, df_set_state,
11109 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11110 df_def_record_1, df_defs_record, df_uses_record,
11111 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11112 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11113 df_record_exit_block_uses, df_hard_reg_init): New functions.
11115 * df-problems.c: Seven concrete dataflow problems that use the
11116 scanning in df-scan.c and are solved by the engine in df-core.c.
11117 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11118 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11119 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11120 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11121 df_ru_free_bb_info, df_ru_alloc,
11122 df_ru_bb_local_compute_process_def,
11123 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11124 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11125 df_ru_transfer_function, df_ru_free, df_ru_dump,
11126 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11127 df_rd_free_bb_info, df_rd_alloc,
11128 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11129 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11130 df_rd_transfer_function, df_rd_free, df_rd_dump,
11131 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11132 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11133 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11134 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11135 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11136 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11137 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11138 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11139 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11140 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11141 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11142 df_urec_mark_reg_use_for_earlyclobber,
11143 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11144 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11145 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11146 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11147 df_chain_create_bb_process_use, df_chain_create_bb,
11148 df_chain_finalize, df_chain_free, df_chains_dump,
11149 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11150 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11151 df_reg_lifetime): New functions.
11152 * df.c: Deleted file.
11153 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11154 consistent with new df api.
11155 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11156 rest_of_handle_sms): Ditto.
11157 * web.c (unionfind_union, union_defs, entry_register, web_main):
11159 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11160 invariant_expr_equal_p, find_defs, check_dependencies,
11161 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11162 free_inv_motion_data, move_loop_invariants): Ditto.
11163 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11164 Update dependencies.
11165 (odf.c): Added defective entry that was deleted later in day.
11166 * sched-deps.c (sched_analyze_1): Ditto.
11168 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11170 * tree-ssa-operands.c (get_expr_operands): Record addressable
11171 variables directly. Do not call add_stmt_operands for CONST_DECLs
11173 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11174 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11176 2006-01-11 Ben Elliston <bje@au.ibm.com>
11178 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11179 function returns true in the positive case.
11181 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11184 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11185 for SI, DI, SF and DF modes. Add alternatives to copy between
11186 general and floating point registers to the 32-bit patterns.
11187 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11188 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11189 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11190 generating 64-bit code.
11191 * config/pa/pa.c (output_move_double): Handle copies between general
11192 and floating registers.
11194 2006-01-10 Stuart Hastings <stuart@apple.com>
11196 * config/i386/i386.md (set_got): Update.
11197 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11198 (builtin_setjmp_receiver): Mach-O support.
11199 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11200 (GOT_SYMBOL_NAME): Define.
11201 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11202 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11203 * config/i386/i386.c (override_options): Revise for Darwin.
11204 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11205 support. (darwin_x86_file_end): New. (output_set_got): Add label
11206 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11207 * config/i386/i386-protos.h (output_set_got): Likewise.
11208 * config/darwin.c (machopic_legitimize_pic_address): Update
11211 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11213 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11214 when MODE isn't BLKmode.
11216 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11218 PR rtl-optimization/25367
11219 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11221 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11224 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11225 for a negative bound.
11227 2006-01-10 Richard Guenther <rguenther@suse.de>
11229 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11230 Never override with anything constraint.
11232 2006-01-10 Jan Beulich <jbeulich@novell.com>
11234 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11235 256 bits when optimize_size.
11237 2006-01-10 Jan Beulich <jbeulich@novell.com>
11239 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11241 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11242 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11245 2006-01-10 Ben Elliston <bje@au.ibm.com>
11247 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11249 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11250 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11251 (USE_FP_FOR_ARG): Reject decimal float modes.
11252 (function_arg_advance): Likewise.
11253 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11254 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11255 point types in AltiVec vectors.
11256 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11257 (rs6000_libcall_value): Likewise.
11259 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11261 * config/xtensa/ieee754-df.S: New file.
11262 * config/xtensa/ieee754-sf.S: New file.
11263 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11264 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11265 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11267 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11269 * config/sh/predicates.md (binary_float_operator,
11270 binary_logical_operator, commutative_float_operator,
11271 equality_comparison_operator, greater_comparison_operator,
11272 less_comparison_operator, logical_operator,
11273 noncommutative_float_operator, shift_operator,
11274 symbol_ref_operand, unary_float_operator): Remove redundant
11277 2006-01-09 Jeff Law <law@redhat.com>
11279 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11280 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11281 now unused arguments. Callers updated.
11282 (eliminate_redundant_computations): Remove now unused arguments,
11284 (local_fold): Remove, no longer used.
11285 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11287 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11288 (simplify_cond): New function.
11289 (forward_propagate_into_cond): Call simplify_cond.
11291 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11293 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11294 (*vec_extractv2di_1_sse): New.
11296 2006-01-09 Ben Elliston <bje@au.ibm.com>
11298 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11300 2006-01-08 Richard Guenther <rguenther@suse.de>
11302 * tree-ssa-structalias.c (get_constraint_for): Remove
11303 anyoffset argument.
11304 (get_constraint_for_component_ref): Likewise.
11305 (do_deref): Likewise.
11306 (get_constraint_for): Likewise.
11307 (do_structure_copy): Likewise.
11308 (handle_ptr_arith): Likewise.
11309 (find_func_aliases): Likewise. Remove unused need_anyoffset
11312 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11313 Kaz Kojima <kkojima@gcc.gnu.org>
11315 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11316 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11317 (EXTRA_CONSTRAINT_C16): Remove.
11318 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11319 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11320 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11321 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11322 constants of SHmedia. Handle nested constant expressions of
11324 (andcosts): Fix the costs for SHmedia constants.
11325 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11326 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11327 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11328 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11329 (movv4hi_i, movv2si_i): Likewise.
11330 (movsi_const): Adjust the second operand of ior so to match with
11331 the Csu constraint.
11332 (movdi_const, movdi_const_32bit): Likewise.
11333 (movdi_const_16bit+1): Don't sign-extend LOW.
11334 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11336 (*double_shori): Fix the split condition. Use GEN_INT instead
11337 of get_int_mode calls. Mask lower 16-bit of the argument of
11339 (sym2GOTPLT): Remove.
11340 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11342 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11343 instead of EXTRA_CONSTRAINT_C16.
11345 2006-01-07 Ian Lance Taylor <ian@airs.com>
11346 David Edelsohn <edelsohn@gnu.org>
11348 PR rtl-optimization/25662
11349 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11350 for constant operands instead of simplify_gen_binary.
11351 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11352 after trying simplify_binary_operation
11354 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11356 * tree.c (iterative_hash_expr): Hash decls based on UID.
11358 2006-01-06 Eric Christopher <echristo@apple.com>
11360 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11361 (TARGET_UNWIND_EMIT): Fix spelling.
11362 * target.h (gcc_target): Add except_table_label.
11363 * except.c (output_function_exception_table): Use.
11364 * varasm.c (default_emit_except_table_label): New.
11365 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11367 (asm_out): Add here.
11368 * output.h (default_emit_except_table_label): Prototype.
11369 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11370 * config/darwin.c (darwin_emit_except_table_label): Define.
11371 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11373 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11375 PR tree-optimization/18527
11376 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11377 number_of_iterations_special, number_of_iterations_exit):
11378 Move base and step of an iv to a single structure. Add
11379 no_overflow flag, and use it in # of iterations analysis.
11380 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11381 folded_casts argument.
11382 (simple_iv): Pass base and step in a structure. Set no_overflow
11384 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11385 Evaluate expensiveness of computing # of iterations instead of
11386 the final expression.
11387 * tree-scalar-evolution.h (affine_iv): New structure.
11388 (simple_iv): Declaration changed.
11389 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11390 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11391 find_givs_in_stmt): Changed due to simple_iv change.
11393 2006-01-06 Jeff Law <law@redhat.com>
11396 * tree-cfg.c (bsi_replace): Rename final argument from
11397 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11398 change (stmt -> orig_stmt).
11399 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11400 (bsi_remove): Add new argument. Remove EH information
11402 (verify_eh_throw_table_statements): New function.
11403 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11405 * tree-optimize.c (execute_free_cfg_annotations): Verify
11406 the EH throw statement table after removing annotations.
11407 * except.h (verify_eh_throw_table_statements): Prototype.
11408 * tree-flow.h (bsi_remove): Update prototype.
11409 * tree-vrp.c (remove_range_assertions): Add new argument to
11411 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11412 * tree-complex.c (expand_complex_div_wide): Likewise.
11413 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11414 * tree-tailcall.c (eliminate_tailcall): Likewise.
11415 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11416 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11417 * tree-nrv.c (tree_nrv): Likewise.
11418 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11419 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11420 (combine_blocks): Likewise.
11421 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11422 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11423 (cleanup_control_flow): Likewise.
11424 (remove_forwarder_block): Likewise.
11425 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11426 * tree-sra.c (sra_replace): Likewise.
11427 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11428 (forward_propagate_single_use_vars): Likewise.
11429 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11430 * tree-inline.c (expand_call_inline): Likewise.
11431 * tree-vect-transform.c (vect_transform_loop): Likewise.
11432 * tree-outof-ssa.c (rewrite_trees): Likewise.
11433 * tree-cfg.c (make_goto_expr_edges): Likewise.
11434 (cleanup_dead_labels): Likewise.
11435 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11436 (bsi_move_before, bsi_move_after): Likewise.
11437 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11438 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11440 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11443 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11445 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11446 on non gimple variables. Also add checks at the top for decls and
11448 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11450 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11451 and IMAGPART_EXPR for creating MUST_DEFs.
11452 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11453 and NAME_MEMORY_TAG separately from the DECLs.
11455 2006-01-06 Richard Guenther <rguenther@suse.de>
11457 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11458 annotation, if necessary.
11459 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11460 redundant calls to update_stmt.
11461 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11464 2006-01-05 Richard Henderson <rth@redhat.com>
11466 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11468 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11470 * c-typeck.c: Update copyright date.
11472 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11474 * c-typeck.c (build_c_cast): Always warn when casting
11475 from a pointer to an integer of different size, even if
11476 the node was constant.
11478 2006-01-05 Richard Guenther <rguenther@suse.de>
11480 PR tree-optimization/22555
11481 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11482 if one structure field is an array.
11483 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11484 operands even if we found a subvar, but ignore VOPs in this
11486 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11488 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11490 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11492 PR middle-end/24998
11493 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11495 2006-01-05 Richard Guenther <rguenther@suse.de>
11496 Diego Novillo <dnovillo@redhat.com>
11498 * tree-pass.h (TODO_remove_unused_locals): Define.
11499 * gimple-low.c (expand_var_p, remove_useless_vars,
11500 pass_remove_useless_vars): Remove. Update all users.
11501 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11502 (remove_unused_locals): New function.
11503 * tree-flow.h (remove_unused_locals): Declare.
11504 * passes.c (execute_todo): Call remove_unused_locals if
11505 TODO_remove_unused_locals is set.
11506 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11507 * tree-ssa-dce.c (pass_dce): Likewise.
11508 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11510 2006-01-05 Richard Guenther <rguenther@suse.de>
11512 * tree-flow.h (struct fieldoff): Decompose field to
11513 type, size and decl.
11514 * tree-ssa-alias.c (create_sft): Take type as parameter.
11515 (create_overlap_variables_for): Store type, size and decl
11516 in the fieldoff structure.
11517 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11518 of struct fieldoff.
11519 (push_fields_onto_fieldstack): Likewise.
11520 (create_variable_info_for): Likewise. Use offset for the
11521 SFT name if the decl is not available.
11523 2006-01-04 Paul Brook <paul@codesourcery.com>
11525 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11527 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11529 * lambda-code.c (can_put_in_inner_loop): Relax
11531 (can_put_after_inner_loop): New function.
11532 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11533 (perfect_nestify): Change to make copies and modify uses.
11535 2006-01-04 Richard Henderson <rth@redhat.com>
11537 Merge from gomp branch:
11538 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11539 via integer constant.
11540 (pragma_lex): Remove.
11541 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11542 rather than parsing it.
11543 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11544 handle_pragma_extern_prefix): Add %< %> quotes.
11545 (registered_pragmas): New.
11546 (c_register_pragma_1): New.
11547 (c_register_pragma): Use it.
11548 (c_register_pragma_with_expansion): Likewise.
11549 (c_invoke_pragma_handler): New.
11550 (init_pragma): Use cpp_register_deferred_pragma directly for
11552 * c-pragma.h (enum pragma_kind): New.
11553 (pragma_handler): New.
11554 (c_invoke_pragma_handler): Declare.
11555 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11557 * c-common.h (c_common_pch_pragma): Update decl.
11558 * Makefile.in (c-parser.o): Update dependencies.
11559 (GTFILES): Add c-pragma.h.
11560 * c-parser.c (struct c_token): Add pragma_kind.
11561 (struct c_parser): Add in_pragma.
11562 (c_lex_one_token): Always initialize keyword and pragma_kind.
11563 Extract data for CPP_PRAGMA.
11564 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11565 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11566 Don't allow CPP_PRAGMA_EOL if in_pragma.
11567 (c_parser_consume_pragma): New.
11568 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11569 (c_parser_skip_to_end_of_parameter): Likewise.
11570 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11571 (c_parser_skip_to_pragma_eol): New.
11572 (c_parser_external_declaration): Handle CPP_PRAGMA.
11573 (c_parser_compound_statement_nostart): Likewise.
11574 (c_parser_statement_after_labels): Likewise.
11575 (c_parser_pragma): New.
11576 (pragma_lex): Likewise.
11577 (c_parser_pragma_pch_preprocess): New.
11578 (c_parser_new): Merge into ...
11579 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11581 2006-01-04 Jeff Law <law@redhat.com>
11584 * tree-cfg.c (bsi_replace): Remove the original statement
11585 from the EH throw statement table.
11587 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11589 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11590 make the prototype extern "C" and add throw ().
11593 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11594 and pos non-negative and pos + len <= 32.
11595 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11596 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11597 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11600 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11601 as well as sizes not multiple of component size.
11604 * function.c (instantiate_expr): New function.
11605 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11606 walk its DECL_VALUE_EXPR with instantiate_expr.
11608 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11609 DW_OP_deref{,_size} if address isn't going to be added.
11611 2006-01-04 Ben Elliston <bje@au.ibm.com>
11613 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11614 * config/fp-bit.c: Likewise.
11616 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11618 * dominance.c: Add comment about why we use DFS numbering
11621 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11622 Richard Henderson <rth@redhat.com>
11624 Merge from gomp-branch:
11625 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11626 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11628 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11630 PR rtl-optimization/25578
11631 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11632 pass a parameter to simplify_shift_const if changing ASHIFTRT
11635 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11637 * builtins.c (get_builtin_sync_mem): New function.
11638 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11639 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11640 Call get_builtin_sync_mem to generate mem rtx.
11642 2006-01-03 Richard Guenther <rguenther@suse.de>
11645 * stmt.c (add_case_node): Make sure to clear overflow flags
11648 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11650 Merge from gomp-branch.
11651 * config/sparc/sync.md: New file.
11652 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11653 UNSPECV_LDSTUB): New constants.
11654 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11655 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11656 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11659 2006-01-03 Roger Sayle <roger@eyesopen.com>
11661 * combine.c (reg_subword_p): New predicate to test whether the
11662 destination of a set refers to a subword/piece of a register.
11663 (try_combine): Generalize the code to merge the setting of a
11664 pseudo to a constant followed by a set of a subword of that
11665 register to a constant.
11667 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11669 * basic-block.h (control_flow_graph): Change the type of
11670 x_label_to_block_map to VEC(basic_block,gc) *.
11671 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11672 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11674 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11675 VEC(basic_block,heap) *.
11676 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11677 ssa_prop_fini): Adjust the uses of cfg_blocks.
11679 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11681 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11683 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11684 hashing trees instead of a pointer hash.
11685 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11686 compare for MEM_EXPR.
11688 PR rtl-optimization/25130
11689 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11690 when comparing MEMs for GCSE
11692 2006-01-03 Ben Elliston <bje@au.ibm.com>
11694 * targhooks.h (default_decimal_float_supported_p): Declare.
11695 * targhooks.c (default_decimal_float_supported_p): Define.
11696 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11697 `default_decimal_float_supported_p'.
11698 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11700 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11702 * combine.c (apply_distributive_law <SUBREG>): Check
11703 TRULY_NOOP_TRUNCATION.
11705 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11707 * dwarf2out.c (have_switched_text_section): Delete.
11708 (have_multiple_function_sections): New.
11709 (have_location_lists): Make 'bool'.
11710 (add_AT_loc_list): Use 'true' not '1'.
11711 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11712 (output_loc_list): Use have_multiple_function_sections.
11713 (output_ranges): Likewise.
11714 (dwarf2out_begin_function): Set have_multiple_function_sections if
11716 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11717 Check function_section rather than DECL_SECTION_NAME.
11718 (dwarf2out_finish): Use have_multiple_function_sections.
11719 Don't clear have_location_lists.
11721 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11722 Jan Hubicka <jh@suse.cz>
11724 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11725 case of conditional jump jumping to the next instruction.
11726 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11727 cases of conditional jump jumping to the next instruction.
11729 2006-01-02 Jan Hubicka <jh@suse.cz>
11731 * i386.c (*_cost): Add COSTS_N_INSNS.
11732 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11734 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11737 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11739 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11741 * config/arm/arm.c (all_fpus): Fix comment typo.
11742 * config/darwin.c: Likewise.
11743 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11744 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11745 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11747 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11749 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11750 (rs6000_split_compare_and_swapqhi): New.
11751 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11752 (sync_compare_and_swapqhi_internal): New.
11753 * config/rs6000/rs6000-protos.h: Declare.