1 2006-05-30 Dirk Mueller <dmueller@suse.de>
4 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5 for CONSTANT_CLASS_P expresisons.
7 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
12 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
14 PR tree-optimization/27779
15 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
16 initial_condition instead of CHREC_LEFT.
18 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
20 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
21 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
22 Make prototypes ISO C90.
24 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
25 Leehod Baruch <leehod.baruch@weizmann.ac.il>
27 * see.c (see_analyze_one_def): Correct check.
28 (see_get_extension_data): Check if extension is parallel.
29 (see_get_extension_reg): Likewise.
31 2006-05-30 Uros Bizjak <uros@kss-loka.si>
34 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
35 into register for (code == GTU).
37 2006-05-29 Roger Sayle <roger@eyesopen.com>
39 PR tree-optimization/24964
40 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
41 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
42 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
43 abs(x)*abs(x) as x*x for scalar floating point modes.
45 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
48 * lambda-code.c (perfect_nestify): Don't copy statements
49 in the inner loop: move them to the inner loop header.
51 2006-05-29 Diego Novillo <dnovillo@redhat.com>
54 * c-tree.texi: Document OpenMP directives and clauses.
56 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
58 * varasm.c (globalize_decl): Fix indentation.
60 2006-05-29 Diego Novillo <dnovillo@redhat.com>
63 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
64 pass_fre, pass_store_ccp, pass_copy_prop,
65 pass_store_copy_prop, pass_merge_phi, pass_nrv,
66 pass_return_slot, pass_object_size, pass_lim,
67 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
68 pass_loop_prefetch and pass_stdarg.
70 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
72 * config/bfin/bfin.opt (mfdpic): New option.
73 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
74 (EXTRA_MULTILIB_PARTS): Likewise.
75 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
76 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
78 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
79 (CRT_CALL_STATIC_FUNCTION): New.
80 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
82 (CRT_CALL_STATIC_FUNCTION): New.
83 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
85 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
86 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
87 (initialize_trampoline): Changed to handle FD-PIC code generation.
88 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
89 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
90 (override_options): Disallow -mid-shared-library -mfdpic combination.
91 Can't do unaligned ops if FD-PIC.
92 Turn off flag_pic if trying to generate non-id-shared-library
93 non-fdpic code, since it's not supported.
94 (bfin_assemble_integer): New function.
95 (TARGET_ASM_INTEGER): Define.
96 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
98 * config/bfin/crtn.s: Restore them.
99 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
101 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
102 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
103 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
104 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
105 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
107 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
108 FDPIC_REGS and FDPIC_FPTR_REGS.
109 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
110 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
111 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
112 (load_funcdescsi): New pattern.
113 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
114 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
115 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
117 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
119 * gcse.c, rtlanal.c: Remove obsolete comments associated with
122 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
124 * tree-flow.h: Remove the prototype for add_type_alias.
125 * tree-ssa-alias.c (add_type_alias): Remove.
127 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
129 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
130 config/fr30/fr30.md, config/i386/i386-interix.h,
131 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
132 config/sh/superh64.h, config/v850/v850.c, df-core.c,
133 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
134 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
135 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
136 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
137 Follow spelling conventions.
138 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
139 Follow spelling conventions.
141 2006-05-27 Richard Guenther <rguenther@suse.de>
144 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
145 to produce a constant of value 1 of generic type.
147 2006-05-27 Dirk Mueller <dmueller@suse.de>
149 * cgraphunit.c (decide_is_function_needed): Fix wrong
152 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
154 PR rtl-optimization/27661
155 * reload.c (find_reloads): When reloading a VOIDmode constant
156 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
157 use Pmode as mode of the reload register.
159 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
161 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
162 is enabled at -O and above.
164 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
167 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
170 2006-05-25 Mark Mitchell <mark@codesourcery.com>
173 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
174 for anonymous variables explicitly declared by front ends.
176 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
178 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
179 (struct alias_info): Add new field ref_all_symbol_mem_tag.
180 * tree-ssa-alias.c (compute_may_aliases): If the program contains
181 ref-all pointers, run a finalization pass for them.
182 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
183 (finalize_ref_all_pointers): New function.
184 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
185 regular pointer type to a ref-all pointer type.
186 (get_tmt_for): Return the special memory tag for ref-all pointers.
188 2006-05-25 Richard Guenther <rguenther@suse.de>
191 * fold-const.c (fold_binary): Do not look at the stripped
192 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
194 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
196 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
197 for LT and GT if the computed range is effectively empty.
199 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
202 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
203 mips_quad_format formats instead of ieee_single_format,
204 ieee_double_format and ieee_quad_format formats, respectively.
206 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
208 PR tree-optimization/27639
209 PR tree-optimization/26719
210 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
211 call to scev_probably_wraps_p.
212 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
213 used_in_pointer_arithmetic_p, convert_step): Removed.
214 (nowrap_type_p): New function.
215 (scev_probably_wraps_p): Rewritten.
216 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
217 chrec_convert if chrec_convert_aggressive might have been used.
218 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
219 scev_direction): New functions.
220 (chrec_convert): Changed to a wrapper over chrec_convert_1.
221 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
222 instead of convert_step.
223 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
224 (convert_step): Declaration removed.
225 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
227 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
229 * df-core.c: Added to header comments.
230 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
231 df_ur_bb_info, df_urec_bb_info): Added comments.
232 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
233 urec, ri problems): Fixed header comments.
234 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
235 code from df_rd_transfer_function.
237 2006-05-23 Richard Sandiford <richard@codesourcery.com>
239 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
240 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
241 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
243 2006-05-23 Joseph Myers <joseph@codesourcery.com>
245 * expr.c (undefined_operand_subword_p): New.
246 (emit_move_multi_word): Do not generate move from undefined bits
247 of a paradoxical subreg.
249 2006-05-23 Richard Sandiford <richard@codesourcery.com>
251 PR rtl-optimization/27736
252 * combine.c (replaced_rhs_value): New variable.
253 (combine_instructions): Set it.
254 (distribute_notes): When distributing a note in replaced_rhs_insn,
255 check whether the value was used in replaced_rhs_value.
257 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
260 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
261 add_referenced_var instead of add_referenced_tmp_var.
262 * tree-complex.c (create_one_component_var): Use add_referenced_var.
263 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
265 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
266 tree_optimize_tail_calls_1): Use add_referenced_var.
267 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
268 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
269 Use add_referenced_var.
270 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
271 * gimplify.c (force_gimple_operand): Use add_referenced_var.
272 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
273 Use add_referenced_var.
274 * tree-dfa.c (struct walk_state): Remove.
275 (find_referenced_vars): Remove walk state and vars_found hash table.
276 (make_rename_temp): Use add_referenced_var.
277 (find_vars_r): Pass less parameters to add_referenced_var.
278 (referenced_var_p): New. Is var in referenced_var hash table.
279 (referenced_var_insert): Assert var isn't already in hash table.
280 (add_referenced_var): Don't need walk_state parameter. Add var if it
281 isn't already in the hash table.
282 (add_referenced_tmp_var): Remove.
283 (find_new_referenced_vars_1): Use add_referenced_var.
284 * tree-ssa-pre.c (create_expression_by_pieces,
285 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
286 Use add_referenced_var.
287 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
288 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
289 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
291 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
292 vect_create_data_ref_ptr, vect_create_destination_var,
293 vect_init_vector, vect_build_loop_niters,
294 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
295 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
296 Use add_referenced_var.
297 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
298 * tree-flow.h (add_referenced_tmp_var): Remove prototype
299 (add_referenced_var): Add prototype.
300 * tree-ssa-structalias.c (get_constraint_for,
301 intra_create_variable_infos): Use add_referenced_var.
303 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
305 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
306 big-endian paradoxical subregs.
307 * var-tracking.c (struct micro_operation_def): Document that,
308 for modify micro operations, insn is the subsequent instruction.
309 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
310 (var_reg_set, var_mem_set): ... new functions.
311 (add_stores): Record subsequent insn.
312 (compute_bb_dataflow): Use new functions for MO_USE.
313 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
314 notes after the insn, and modify notes before the insn known
315 to be the subsequent one.
316 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
318 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
321 * config/i386/i386.c (ix86_expand_builtin): Use
322 gen_sse3_monitor64 for TARGET_64BIT.
324 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
326 PR rtl-optimization/26375
327 PR rtl-optimization/26855
328 * df-problems (df_ru_bb_local_compute_process_def): Removed update
330 (df_ru_bb_local_compute): Reversed statements and removed bogus
331 comment explaining why they should be in wrong order.
332 (df_ru_dump, df_rd_dump): Enhanced debug info.
333 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
335 * ddg.c (add_deps_for_def): Converted use of reaching defs to
336 reaching uses and fixed space problem.
338 2006-05-23 Jan Hubicka <jh@suse.cz>
340 * cgraphunit.c (decide_is_function_needed): Also nested functions
341 and functions declared inline can be optimized out at -O0.
343 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
345 * doc/install.texi (Configuration): Remove reference to CrossGCC
346 FAQ which was hijacked.
349 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
352 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
353 ix86_compare_emitted is non-NULL.
355 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
358 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
361 2006-05-22 Richard Sandiford <richard@codesourcery.com>
363 PR rtl-optimization/25514
364 * combine.c (replaced_rhs_insn): New variable.
365 (combine_instructions): Set replaced_rhs_insn when trying to replace
366 a SET_SRC with a REG_EQUAL note.
367 (distribute_notes): Use replaced_rhs_insn when determining the live
368 range of a REG_DEAD register.
370 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
371 Anatoly Sokolov <aesok@post.ru>
373 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
374 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
375 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
376 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
377 atmega3290, atmega649, atmega6490, atmega406, atmega640,
378 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
379 at90usb647, at90usb1286 and at90usb1287 devices.
380 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
381 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
383 2006-05-22 Richard Sandiford <richard@codesourcery.com>
385 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
387 2006-05-22 Richard Guenther <rguenther@suse.de>
390 2006-01-31 Richard Guenther <rguenther@suse.de>
391 Paolo Bonzini <bonzini@gnu.org>
393 * doc/install.texi (--disable-libgcc-math): Document.
395 2006-05-22 Richard Guenther <rguenther@suse.de>
398 2006-01-31 Richard Guenther <rguenther@suse.de>
400 * doc/invoke.texi (-msselibm): Document.
401 * target.h (expand_library_builtin): New target hook.
402 * builtins.c (expand_builtin): Use expand_library_builtin.
403 (default_expand_library_builtin): New function.
404 * gcc.c (LINK_GCC_MATH_SPEC): Define.
405 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
406 (link_gcc_math_spec): Declare.
407 (static_specs): Add link_gcc_math_spec.
408 * expr.h (default_expand_library_builtin): Declare.
409 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
410 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
411 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
412 * config/i386/i386.opt (msselibm): New target option.
413 * config/i386/i386.c (ix86_builtin_function_variants): New array.
414 (ix86_init_sse_abi_builtins): New function.
415 (ix86_expand_library_builtin): Likewise.
416 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
417 (override_options): Handle error conditions wrt -msselibm.
418 (ix86_builtins): Add function codes for SSE2 ABI builtins.
419 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
420 * doc/extend.texi (__builtin_sse2_*): Document new target specific
423 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
426 * c-common.c (self_promoting_args_p): Skip erroneous args.
429 * c-decl.c (finish_struct): Skip erroneous fields.
431 2006-05-22 Nick Clifton <nickc@redhat.com>
433 * config/cris/cris.opt (march): Remove VarExists attribute.
434 (max-stackframe=): Likewise.
436 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
438 * doc/rtl.texi: Fix a typo.
439 * see.c: Fix comment typos.
441 * tree-ssa-structalias.h (alias_info): Remove num_references.
443 2006-05-21 Mike Stump <mrs@apple.com>
445 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
447 (darwin_pragma_options): Use BAD instead.
448 (darwin_pragma_unused): Likewise.
449 (darwin_pragma_ms_struct): Likewise.
451 2006-05-21 David Edelsohn <edelsohn@gnu.org>
453 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
455 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
457 PR rtl-optimization/27671
458 * simplify-rtx.c (simplify_relational_operation_1): Fix
459 simplifications of (eq/ne (xor x y) y) and
462 PR tree-optimization/26622.
463 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
466 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
468 * tree-cfg.c: Prune whitespace.
469 (debug_tree_cfg): Point to correct header containing the
472 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
475 * cgraphunit.c (verify_cgraph_node): Typo in error message.
477 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
480 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
481 or sorry count is non zero.
483 2006-05-20 Andreas Schwab <schwab@suse.de>
485 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
487 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
488 Kenneth Zadeck <zadeck@naturalbridge.com>
490 PR rtl-optimization/26855
492 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
494 (df_scan_alloc): Added code to properly handle multiword hard
495 registers and add all_blocks parameter.
496 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
497 code to properly handle multiword hard registers.
498 (df_rescan_blocks): Added code to remove deleted blocks from
500 (df_ref_create_structure, df_ref_record): Added code to properly
502 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
503 and set DF_REF_PARTIAL.
504 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
505 (df_uses_record): Added DF_REF_PARTIAL for subreg.
506 (df_scan_add_problem): Added flags parameter.
507 (df_ref_create_structure): Changed switching structure.
508 (df_bb_refs_record): Fixed case where duplicate artificial refs
509 were created. Changed location of flags.
510 (df_record_entry_block_defs): Added code to make stack pointer
511 live in entry block. Refined cases where frame pointer is needed.
512 Changed location of flags.
513 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
514 (df_set_state): Removed function.
515 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
516 df_insn_create_insn_record, df_insn_refs_delete,
517 df_ref_create_structure): Formatting changes.
518 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
519 df_delete_basic_block): New function.
520 (df_init): Changed location of flags.
521 (df_add_problem): Added flags parameter and the way flags are
523 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
524 debug_df_chain): Improved debugging output.
525 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
526 (df_refs_chain_dump): Removed df parameter.
527 (df_iterative_dataflow): Added consistency check.
528 (df_prune_to_subcfg): Made public.
529 (df_analyze_problem): Added blocks_to_init parameter and made
531 (df_ref_record, df_bb_refs_record, df_mark_reg,
532 df_record_exit_block_uses): Whitespace changes.
533 (df_dump): Whitespace changes.
534 * df.h: Some reordering to remove forward references.
535 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
536 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
537 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
538 (dataflow.flags): New field.
539 (df.flag): Deleted field.
540 (df_alloc_function): Added additional bitmap parameter.
541 (df_dependent_problem_function): New type.
542 (df_problem.changeable_flags): New field.
543 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
544 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
545 (df_mw_hardreg): New struct.
546 (DF_INSN_UID_MWS): New macro.
547 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
549 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
550 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
551 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
552 (df_set_state): Removed function.
553 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
554 * df-problems.c (df_chain_dump): Removed df parameter.
555 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
556 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
558 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
559 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
560 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
561 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
562 DF_REF_MUST_CLOBBER cases.
563 (df_ru_bb_local_compute_process_def,
564 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
565 df_lr_bb_local_compute, df_ur_bb_local_compute,
566 df_chain_create_bb): Made subreg aware.
567 (df_ru_bb_local_compute, df_rd_bb_local_compute,
568 df_lr_bb_local_compute, df_lr_bb_local_compute,
569 df_chain_create_bb): Cleanup to use proper macros.
570 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
571 code to fixup bitvectors.
572 (df_ri_alloc): Cleared lifetime.
573 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
574 df_create_unused_note): New function.
575 (df_ri_bb_compute, df_ri_compute): Added code to create/update
576 REG_DEAD and REG_UNUSED notes as well as register information.
577 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
578 df_chains_dump): Fixed crash if problem was never run.
579 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
580 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
581 df_ri_add_problem): Processes flags in uniform manner.
582 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
583 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
584 df_rd_dump, df_urec_free_bb_info): Formatting changes.
585 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
586 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
587 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
588 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
589 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
590 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
591 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
592 * see.c (see_initialize_data): Ditto.
593 * final.c (rest_of_clean_state) Added regstack_completed.
594 * rtl.h (regstack_completed): Ditto.
595 * reg-stack.c (regstack_completed): Ditto.
597 2006-05-19 Mike Stump <mrs@apple.com>
599 * c-tree.h (default_conversion): Remove.
600 * c-common.h (default_conversion): Add.
602 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
604 * tree-vrp.c (valid_value_p): New function.
605 (adjust_range_with_scev): Fail if the value of bound is not
608 2006-05-19 Richard Sandiford <richard@codesourcery.com>
610 * config/mips/linux-unwind.h: Include <asm/unistd.h>
611 (mips_fallback_frame_state): Use syscall numbers to determine
612 the appropriate li instruction for the current ABI. Only use
613 __NR_sigreturn for o32.
615 2006-05-19 Nicolas Setton <setton@adacore.com>
617 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
618 * langhooks.c (lhd_dwarf_name): New function.
619 * langhooks-def.h (lhd_dwarf_name): Declare.
620 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
621 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
622 * ada/misc.c (gnat_dwarf_name): New function.
623 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
625 2006-05-19 Richard Sandiford <richard@codesourcery.com>
627 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
629 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
630 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
631 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
632 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
633 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
634 determine the size of Wtype, etc.
635 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
636 (swfloatfuncs): New variable.
637 (dwfloatfuncs): Likewise.
638 (lib2funcs): Remove floating-point conversion functions from
639 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
640 the set of conversion routines needed. Allow entries to specify
641 an object name, filename and word size. Update users accordingly.
642 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
643 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
647 2006-02-08 Roger Sayle <roger@eyesopen.com>
650 * config/fixtfdi.c: New libgcc source file.
651 * config/fixunstfdi.c: New source file.
652 * config/floatditf.c: New source file.
653 * config/floatunditf.c: New souce file.
654 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
655 files above instead of config/mips/_tilib.c.
656 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
658 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
660 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
661 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
663 2006-05-18 Mike Stump <mrs@apple.com>
665 Fix up vla, vm and [*] sematics.
671 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
672 (c_vla_unspec_p): Add.
674 * c-decl.c (struct c_scope): Add had_vla_unspec.
675 (build_array_declarator): Add support for [*].
676 (grokdeclarator): Likewise.
677 (grokparms): Likewise.
678 (get_parm_info): Likewise.
679 * c-objc-common.c (c_vla_unspec_p): Likewise.
680 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
681 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
682 typeof when argument is a variably modified type not inside sizeof or alignof.
683 (c_parser_direct_declarator_inner): Propagate errors.
684 (c_parser_sizeof_expression): Add support for [*].
685 (c_parser_parms_declarator): Initialize had_vla_unspec.
686 (c_parser_parms_list_declarator): Likewise.
687 * c-typeck.c (c_vla_type_p): Add.
688 (composite_type): Add support for vla compositing.
689 (comptypes_internal): Add support for vla compatibility.
690 (c_expr_sizeof_expr): Evaluate vla arguments.
691 * tree.c (variably_modified_type_p): Update comment for [*].
693 2006-05-18 Michael Matz <matz@suse.de>
696 * config.host: Make assignments to host_xmake_file cumulative.
697 * config.host (*-darwin*): Test $host, not $target.
699 2006-05-12 Stuart Hastings <stuart@apple.com>
701 * config/i386/i386.opt (-mstackrealign): New flag.
702 * config/i386/i386.c (force_align_arg_pointer): New attribute.
703 (ix86_handle_cconv_attribute): Emit error when
704 force_align_arg_pointer attribute collides with too many regparms.
705 (ix86_function_regparm): Limit regparms when used with
706 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
707 Support stack-realigning prologue in non-main functions. Emit
708 warning for nested functions under -mstackrealign, emit error for
709 nested functions with force_align_arg_pointer attribute.
710 * doc/extend.texi (force_align_arg_pointer): Document it.
711 * doc/invoke.texi (-mstackrealign): Document it.
713 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
715 PR rtl-optimization/27477
716 * combine.c (try_combine): Don't split a parallel consisting
717 of two sets into two individual sets if both sets reference
720 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
722 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
723 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
725 * doc/options.texi (VarExists): Updated.
727 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
729 * unwind-dw2.c: Add declarations for uw_update_context and
731 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
732 detected, advance frame state and context once to skip over stub.
734 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
738 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
739 Call rewrite_into_loop_closed_ssa only when something changed.
740 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
741 * lambda-code.c (can_convert_to_perfect_nest): Declared.
742 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
743 Test for perfect_nest_p here. Fix formating.
744 (replace_uses_equiv_to_x_with_y): Fix formating.
745 (stmt_uses_op): Removed.
746 (can_convert_to_perfect_nest): Removed loopivs parameter.
747 Complete the test by checking the scalar dependences.
748 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
751 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
754 From Dan Kegel <dank@kegel.com>:
755 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
757 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
759 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
760 if the element type is variably modified without recursing.
762 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
765 * tree-loop-linear.c (try_interchange_loops): Test for
768 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
770 PR tree-optimization/27548
771 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
772 range of ssa names that appear on abnormal edges.
773 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
774 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
776 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
779 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
781 2006-05-17 Jakub Jelinek <jakub@redhat.com>
784 * tree.h (OMP_PARALLEL_COMBINED): Define.
785 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
786 (new_omp_context): Add is_combined_parallel argument.
787 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
788 new_omp_context caller.
789 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
790 Adjust gimplify_scan_omp_clauses callers.
791 (omp_is_private): Issue errors if iteration variable is firstprivate
792 or reduction in the current context.
793 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
794 on combined parallel workshare constructs.
796 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
798 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
799 (gcc-options.o): New rule.
801 * optc-gen.awk: Protect variables for gcc-options.o with
802 #ifdef GCC_DRIVER/#endif.
804 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
806 Fix PR tree-optimization/27373
807 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
808 (forward_propagate_addr_expr): Update call.
810 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
812 * doc/options.texi: Move the Negative option.
814 2006-05-16 Richard Guenther <rguenther@suse.de>
816 PR tree-optimization/22303
817 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
819 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
820 ccp_fold did not simplify the statement.
822 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
825 * Makefile.in (GCC_OBJS): New.
826 (OBJS-common): Add opts-common.o.
827 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
828 (cpp$(exeext)): Likewise.
829 (gcc.o): Also depend on opts.h.
830 (opts-common.o): New.
832 * common.opt (gcoff): Add Negative(gdwarf-2).
833 (gdwarf-2): Add Negative(gstabs).
834 (gstabs): Add Negative(gstabs+).
835 (gstabs+): Add Negative(gvms).
836 (gvms): Add Negative(gxcoff).
837 (gxcoff): Add Negative(gxcoff+).
838 (gxcoff+): Add Negative(gcoff).
839 * config/i386/i386.opt (m32): Add Negative(m64).
840 (m64): Add Negative(m32).
842 * doc/options.texi: Document the Negative option.
844 * gcc.c: Include "opts.h".
845 (main): Call prune_options after expandargv.
847 * optc-gen.awk: Generate common declarations for all flag
848 variables in options.c. Output the neg_index field.
850 * opts.c (find_opt): Moved to ...
851 * opts-common.c: Here. New file.
853 * opts.h (cl_option): Add a neg_index field.
855 (prune_options): Likewise.
857 2006-05-16 Jakub Jelinek <jakub@redhat.com>
860 * omp-low.c (expand_omp_parallel): Don't assert
861 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
862 instead search for it.
865 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
868 2006-05-16 Andreas Schwab <schwab@suse.de>
870 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
873 2006-05-15 Roger Sayle <roger@eyesopen.com>
876 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
877 integer constants other than zero are only legitimate on TARGET_64BIT.
878 <CONST_VECTOR> Only zero vectors are legitimate.
879 (ix86_cannot_force_const_mem): Integral and vector constants can
880 always be put in the constant pool.
882 2006-05-16 DJ Delorie <dj@redhat.com>
884 * crtstuff.c (__dso_handle): Set section from
885 TARGET_LBIGCC_SDATA_SECTION if defined.
886 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
887 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
889 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
892 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
895 2006-05-16 Ben Elliston <bje@au.ibm.com>
897 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
899 2006-05-15 Per Bothner <per@bothner.com>
901 * tree.c: (last_annotated_node): Use sources_locus typedef.
902 This permits bootstrapping with --enable-mapped-location.
904 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
906 PR tree-optimization/26830
907 * tree-into-ssa.c (struct ssa_name_info): Add age field.
908 (info_for_ssa_name, current_info_for_ssa_name_age,
909 blocks_to_update): New variables.
910 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
911 (clear_ssa_name_info, initialize_flags_in_bb,
912 mark_block_for_update): New functions.
913 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
914 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
915 prepare_def_site_for): Use mark_block_for_update.
916 (mark_def_interesting): Assert that the processed block is marked in
917 blocks_to_update. Do not take blocks argument.
918 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
920 (rewrite_update_init_block, rewrite_update_stmt): Only process
921 blocks with statements to rewrite.
922 (delete_update_ssa): Do not clear SSA_NAME_AUX.
923 (update_ssa): Initialize and free blocks_to_update. Do not
924 clear flags on statements. Do not use blocks bitmap.
925 * tree.h (SSA_NAME_AUX): Removed.
926 (struct tree_ssa_name): Removed aux field.
927 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
929 2006-05-15 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/27603
932 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
933 Do computations in original type.
935 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
937 * see.c: Code style changes such as redundant paranthesis,
938 redundant intialization of local variables etc.
939 (see_main): Declared now as static.
940 * doc/invoke.texi: Update that -fsee is not enabled by
943 2006-05-15 Jakub Jelinek <jakub@redhat.com>
945 * omp-low.c (check_omp_nesting_restrictions): New function.
946 (scan_omp_1): Call it.
949 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
950 construct, return *VAR.
952 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
954 PR rtl-optimization/27406
955 * bt-load.c (migrate_btr_def): Skip the block having abnormal
958 2006-05-14 Roger Sayle <roger@eyesopen.com>
960 PR rtl-optimization/27538
961 * combine.c (expand_compound_operation): Call gen_lowpart
962 before calling simplify_shift_const.
964 2006-05-14 Roger Sayle <roger@eyesopen.com>
966 PR rtl-optimization/22563
967 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
968 a fixed width bitfield, always force the intermediates into psuedos.
970 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
973 * mkconfig.sh: Use operator = instead of == for test.
975 2006-05-13 Nick Clifton <nickc@redhat.com>
977 * dwarf2out.c (dbx_reg_number): Check return value from
978 LEAF_REG_REMAP and only use it if it is valid.
979 (multiple_reg_loc_descriptor): Likewise.
981 2006-05-13 Richard Guenther <rguenther@suse.de>
983 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
986 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
988 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
989 information attached to non-INSNs such as NOTEs.
990 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
992 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
994 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
996 * config/s390/s390.md: Adjust comment describing On constraint.
998 2006-05-11 Jan Hubicka <jh@suse.cz>
1000 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1001 to be output at -O0.
1003 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1006 * fold-const.c (size_binop): Move sanity check for arguments to
1007 the beginning of the function.
1010 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1013 2006-05-11 Richard Guenther <rguenther@suse.de>
1016 * fold-const.c (fold_unary): Handle intermediate conversion
1017 to a pointer type like intermediate conversion to an integer
1018 type in folding of (T1)(T2)var to var.
1019 Match the code to the comment in the final conversion for
1020 (T1)(T2)var to (T1)var regarding to type precision. Rather
1021 than disallow T1 being of pointer type, assert that both T1
1022 and var are of pointer type or not. Make sure not to fall
1023 over the frontends lazyness wrt array to pointer decay though.
1025 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1027 * arm.c (arm_struct_value_rtx): Delete.
1028 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1029 (arm_init_cumulative_args): Always initialize nregs to zero.
1031 2006-05-10 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/27532
1034 * tree-object-size.c (plus_expr_object_size): Fix typo.
1036 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1039 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1040 ashrdi_const, ashrdi3): Use a scratch register.
1042 2006-05-10 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/27302
1045 * fold-const.c (operand_equal_p): For two comparisons,
1046 try comparison of one comparison code swapped if that yields
1049 2006-05-10 Ben Elliston <bje@au.ibm.com>
1051 * tree-pretty-print.c (pretty_print_string): No need to handle
1052 '\0' as a special character.
1054 * tree.h: Include "hashtab.h".
1055 (iterative_hash_expr): Use hashval_t in its prototype.
1056 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1058 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1061 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1062 (hppa*64*-*-hpux11*): Ditto.
1063 (hppa[12]*-*-hpux11*): Ditto.
1065 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1068 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1070 2006-05-09 Michael Matz <matz@suse.de>
1072 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1073 host_extra_gcc_objs and host_xmake_file.
1074 (<*-*-linux*>): Don't overwrite host_xmake_file.
1075 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1076 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1077 (host_detect_local_cpu): Declare.
1078 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1079 * config/i386/i386.c (override_options): Handle -mtune=native
1081 * config/i386/x-i386: New file.
1082 * config/i386/driver-i386.c: New file.
1083 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1086 2006-05-09 Dirk Mueller <dmueller@suse.de>
1087 Richard Guenther <rguenther@suse.de>
1090 * fold-const.c (fold_read_from_constant_string): Relax check
1091 for matching types to matching modes.
1093 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1095 PR rtl-optimization/27335
1096 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1099 2006-05-08 Chao-ying Fu <fu@mips.com>
1100 Richard Sandiford <richard@codesourcery.com>
1102 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1103 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1104 * config/mips/mips.md (UNSPEC_SCC): New constant.
1105 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1106 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1107 (mips_emit_compare): Use it.
1108 (mips_expand_vcondv2sf): New function.
1110 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1112 Fix PR tree-optimization/27093
1113 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1114 renaming when they become not-used_alone.
1116 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1118 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1119 relocation and relocation stubs.
1121 2006-05-08 Eric Christopher <echristo@apple.com>
1123 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1126 2006-05-08 Jan Hubicka <jh@suse.cz>
1129 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1130 unused static functions are needed.
1132 2006-05-08 Roger Sayle <roger@eyesopen.com>
1135 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1136 of a reg_equiv_constant if the result is a legitimate constant.
1138 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1141 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1142 standard 80387 constants, raise the cost to prevent
1143 compress_float_constant() to generate load from memory.
1145 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1147 * config/arm/constraints.md (c): Fix a typo.
1149 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1152 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1155 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1157 (_mm_mwait): Likewise.
1159 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1161 (sse3_monitor): Make it 32bit only.
1162 (sse3_monitor64): New. 64bit monitor.
1164 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1167 * config/i386/i386.c (classify_argument): Skip fields with invalid
1170 2006-05-07 Richard Guenther <rguenther@suse.de>
1172 PR tree-optimization/27409
1173 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1174 Do not try to find zero-sized subvars.
1176 2006-05-07 Richard Guenther <rguenther@suse.de>
1178 PR tree-optimization/27136
1179 * tree-ssa-loop-niter.c (get_val_for): Correct function
1180 comment, assert requirements.
1181 (loop_niter_by_eval): Stop processing if the iterated
1182 value did not simplify.
1184 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1186 * opts.c (flag_see): remove its setting at -O3.
1188 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1190 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1191 * arm/constraints.md: New file.
1192 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1193 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1194 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1195 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1196 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1197 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1198 * arm.md: Include constraints.md.
1199 (thumb_movsi_insn): Use satisfies_constraint_J.
1200 (movhi, movqi): Use satisfies_constraint_I.
1202 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1204 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1205 for atmeg a645 device.
1207 2006-05-06 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/27151
1210 * tree-vect-transform.c (vectorizable_condition): Punt on
1211 values that have a different type than the condition.
1213 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1216 * c-parser.c (c_parser_cast_expression): Only insert casts into
1217 hash table if pointer.
1218 * function.c (used_types_insert_helper): Rename from
1220 (used_types_insert): Call used_types_insert_helper.
1221 * function.h (used_types_insert): Accept only one argument.
1223 2006-05-05 David Edelsohn <edesohn@gnu.org>
1225 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1226 scratch with output modifier.
1228 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1231 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1232 with output modifier.
1234 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1237 * config/mips/mips.c (mips_symbolic_address_p): Return true
1238 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1239 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1241 2006-05-04 Richard Guenther <rguenther@suse.de>
1243 PR tree-optimization/14287
1244 PR tree-optimization/14844
1245 PR tree-optimization/19792
1246 PR tree-optimization/21608
1247 PR tree-optimization/27090
1248 * tree-ssa-pre.c (try_combine_conversion): New function.
1249 (compute_avail): After constructing the value-handle
1250 expression, use try_combine_conversion to combine NOP_EXPRs
1251 with previous value-handle expressions and use the result if it
1254 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1256 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1258 2006-05-04 Jan Hubicka <jh@suse.cz>
1261 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1263 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1265 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1266 that this only matches CONST_INTs. All users changed to VOIDmode
1269 * config/bfin/bfin.c: Include "optabs.h".
1270 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1272 (enum bfin_builtins): Add a number of fractional and vector builtins.
1273 (bfin_init_builtins): Likewise.
1274 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1275 (safe_vector_operand, bfin_expand_binop_builtin,
1276 bfin_expand_unop_builtin): New functions.
1277 (bfin_expand_builtin): Handle the new builtins.
1278 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1281 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1284 * Makefile.in (OBJS-common): Add see.o.
1285 (see.o): Add dependencies.
1286 * common.opt (fsee): New flag for the see optimization was added.
1287 * opts.c (flag_see): Initialized.
1288 * passes.c (init_optimization_passes, pass_see): New pass.
1289 * rtl.h (see_main): Declaration as extern.
1290 * timevar.def (TV_SEE): New.
1291 * tree-pass.h (pass_see): Declaration as extern.
1292 * invoke.texi (-fsee): Document.
1293 * recog.c (validate_simplify_insn): New function.
1294 * recog.h (validate_simplify_insn): Declaration as extern.
1295 * df-problems.c (df_chain_dump): Check for NULL.
1297 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1298 Daniel Berlin <dberlin@dberlin.org>
1300 * cfgrtl.c (insert_insn_bb_end_new): New function.
1301 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1303 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1305 * df.h (struct web_entry): Moved from web.c.
1306 (union_defs): Declaration as extern.
1307 (unionfind_root): Likewise.
1308 (unionfind_union): Likewise.
1309 * web.c (struct web_entry): Moved to df.h.
1310 (unionfind_root): Remove static declaration.
1311 (unionfind_union): Likewise.
1312 (union_defs): Likewise and generalize to use callback function.
1313 (web_main): Update arguments for union_defs function call.
1315 2006-05-04 Richard Guenther <rguenther@suse.de>
1317 PR tree-optimization/26447
1318 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1319 produce SSA_NAME copies before the store stmt to avoid
1320 breaking exception handling.
1322 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1325 * gimplify.c (omp_is_private): If var is shared in some outer context,
1326 return false instead of true. Stop searching on parallel context
1329 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1332 * coverage.c: Use get_gcov_unsigned_t() instead of
1333 unsigned_type_node all over.
1335 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1337 PR tree-optimization/27381
1338 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1339 maintain the same immediate_use links.
1340 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1341 node rather than segfaulting.
1343 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1346 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1347 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1348 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1350 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1352 Fix PR tree-optimization/26626
1353 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1355 * tree-ssa-operands.c (access_can_touch_variable): Allow
1356 typecasting through union pointers.
1358 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1361 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1362 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1363 to find if var will be a global variable even in the nested context.
1364 (omp_copy_decl): Only check for global variable at the end, it might
1365 be overridden in outer contexts.
1366 (scan_sharing_clauses): For global variables don't create a field.
1367 (lower_rec_input_clauses): Do nothing for global shared variables.
1368 Emit a barrier at the end of ILIST if there were any decls in both
1369 firstprivate and lastprivate clauses.
1370 (lower_send_clauses): Do nothing for global variables except for
1373 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1375 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1376 of the correct signedness is returned.
1378 2006-05-02 Jeff Law <law@redhat.com>
1380 PR tree-optimization/27364
1381 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1382 multiply expressions.
1384 2006-05-02 Tom Tromey <tromey@redhat.com>
1386 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1388 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1391 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1392 -mthumb -fPIC are used.
1394 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1395 Joshua Kinard <kumba@gentoo.org>
1398 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1399 with 64-bit pointers.
1401 2006-05-02 Paul Brook <paul@codesourcery.com>
1403 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1405 (create_fix_barrier): Check that a suitable barrier location is
1407 (arm_reorg): Include ftmp->address in allowable range of addresses.
1409 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1412 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1415 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1418 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1419 around RESULT_DECL for result passed by reference.
1420 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1421 * omp-low.c (use_pointer_for_field): Don't look at
1422 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1423 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1424 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1425 time or var for passing by reference for
1426 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1427 TREE_ADDRESSABLE variables when passing by reference.
1429 * omp-low.c (dump_omp_region): Fix output formatting.
1432 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1433 (expand_omp_parallel): Likewise.
1434 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1437 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1438 on statement list containing also constructors and destructors.
1439 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1442 * except.c (duplicate_eh_regions): Fix clearing of
1443 cfun->eh->region_array entries.
1445 2006-05-01 DJ Delorie <dj@redhat.com>
1447 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1449 (gcc_cv_objdump): Likewise.
1450 * configure: Regenerated.
1452 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1455 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1456 templates for case 3 and 4.
1458 2006-05-01 DJ Delorie <dj@redhat.com>
1460 * vec.c: Include bconfig.h when appropriate.
1461 * Makefile.in (build/vec.o): Adjust dependencies.
1462 * mkconfig.sh: Make sure config.h isn't used for build machine
1465 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1467 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1469 (mark_phi_for_rewrite): New function.
1470 (insert_phi_nodes_for, mark_use_interesting): Call
1471 mark_phi_for_rewrite.
1472 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1473 (update_ssa): Initialize and free phis_to_rewrite.
1475 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1477 PR rtl-optimization/27291
1478 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1479 folded to a constant.
1481 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1483 PR tree-optimization/27283
1484 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1485 not whole # of iteration descriptions.
1486 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1487 uses abnormal ssa name.
1488 (niter_for_single_dom_exit): Ditto.
1489 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1490 return just the number of iterations.
1492 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1494 PR tree-optimization/27144
1495 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1496 (record_estimate): Only record constant upper bound.
1497 (infer_loop_bounds_from_undefined): Call
1498 compute_estimated_nb_iterations just once.
1499 (proved_non_wrapping_p): Renamed to ...
1500 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1501 (convert_step_widening, scev_probably_wraps_p): Call
1502 n_of_executions_at_most instead of proved_non_wrapping_p.
1503 (substitute_in_loop_info): Do not replace values in bounds.
1504 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1507 2006-05-01 Richard Henderson <rth@redhat.com>
1510 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1511 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1514 2006-05-01 Roger Sayle <roger@eyesopen.com>
1516 * c-typeck.c (parser_build_binary_op): Don't call the function
1517 unsigned_conversion_warning to spot operand/result type overflow.
1518 (build_binary_op): Instead, call convert_and_check instead of
1519 convert to report the problem when the operands are promoted.
1520 * c-common.c (unsigned_conversion_warning): Make static.
1521 * c-common.h (unsigned_conversion_warning): Delete prototype.
1523 2006-05-01 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/26726
1526 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1528 (find_interesting_uses_address): ... we work around here
1529 by folding INDIRECT_REFs in the substituted base.
1531 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1533 * omp-low.c (dump_omp_region): Add newlines.
1535 2006-04-30 Roger Sayle <roger@eyesopen.com>
1537 * common.opt (Woverflow): New command line option.
1538 * c-common.c (constant_expression_warning): Check warn_overflow.
1539 (overflow_waring): Pass OPT_Woverflow to warning.
1540 (unsigned_conversion_warning): Likewise.
1541 (convert_and_check): Likewise.
1542 * doc/invoke.texi: Document new command line option.
1544 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1546 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1547 TARGET_NO_FP_IN_TOC for section anchors.
1548 (optimization_options): Enable section anchors for all
1549 non-"Objective" languages.
1551 2006-04-28 Eric Christopher <echristo@apple.com>
1553 * config/darwin-c.c (darwin_ms_struct): Move this
1554 (darwin_set_default_type_attributes): and this...
1555 * config/darwin.c: ... here.
1556 * config/darwin.h (darwin_ms_struct): Declare.
1558 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1560 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1562 2006-04-28 Roger Sayle <roger@eyesopen.com>
1565 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1566 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1567 an unsigned HOST_WIDE_INT.
1568 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1570 (really_start_incremental_init): No need to call convert because
1571 bitsize_zero_node is already of type bitsizetype.
1572 (push_init_level): Extract the value of constructor_index as an
1573 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1574 (process_init_element): Likewise.
1576 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1578 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1579 value before passing to make_relative_prefix.
1581 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1584 * builtins.c (expand_builtin_memset): Expand val in original mode.
1586 2006-04-27 Eric Christopher <echristo@apple.com>
1588 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1589 with #ifndef/#endif.
1590 * config/darwin-c.c (darwin_ms_struct): New.
1591 (darwin_pragma_ms_struct): Ditto.
1592 (darwin_set_default_type_attributes): Ditto.
1593 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1594 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1595 Register ms_struct pragma.
1596 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1597 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1598 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1599 darwin_set_default_type_attributes if TARGET_MACHO.
1601 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1603 PR tree-optimization/26854
1604 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1605 * doc/tree-ssa.texi: Update immuse iterator documentation.
1606 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1608 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1609 first_safe_imm_use, next_safe_imm_use): Remove.
1610 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1611 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1612 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1613 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1614 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1615 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1616 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1617 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1618 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1619 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1620 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1621 (perfect_nestify): Use new iterator.
1622 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1624 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1625 (next_imm_name): New field in struct immediate_use_iterator_d.
1626 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1627 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1628 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1629 * tree-cfg.c (replace_uses_by): Use new iterator.
1630 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1631 * tree-ssa-operands.c (correct_use_link): Remove.
1632 (finalize_ssa_use_ops): No longer call correct_use_link.
1634 2006-04-27 Stuart Hastings <stuart@apple.com>
1636 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1637 * config/t-darwin (crt3.o): Use it.
1638 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1639 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1640 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1641 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1642 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1645 2006-04-27 Roger Sayle <roger@eyesopen.com>
1647 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1648 size, force the intermediate into a new pseudo rather instead of
1649 performing both a bitwise AND and a bitwise IOR in memory.
1651 2006-04-27 Richard Guenther <rguenther@suse.de>
1653 PR rtl-optimization/26685
1654 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1655 this one "max-flow-memory-locations".
1657 2006-04-27 Richard Guenther <rguenther@suse.de>
1659 PR tree-optimization/25148
1660 * tree-vrp.c (compare_values): Remove code dealing with
1661 comparisons against type min/max value. Honour overflow
1662 and negative constants in code dealing with comparisons
1663 of plus and minus expressions.
1664 (value_inside_range): Use fold_binary with LE_EXPR and
1665 GE_EXPR rather than compare_values.
1667 2006-04-27 Dirk Mueller <dmueller@suse.de>
1669 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1672 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1674 * basic-block.h (safe_insert_insn_on_edge): Removed.
1675 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1677 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1678 Paolo Bonzini <bonzini@gnu.org>
1681 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1682 (simplify_and_const_int): Same.
1684 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1686 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1688 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1691 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1692 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1693 cgraph_global_info_ready.
1696 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1699 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1700 either decl or init is error_mark_node.
1703 * tree-flow.h (struct omp_region): Add sched_kind.
1704 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1705 instead of extracting omp for data.
1706 (expand_omp_for): Save extracted sched_kind.
1708 2006-04-25 Roger Sayle <roger@eyesopen.com>
1710 * expmed.c (store_bit_field): Also check whether the bitsize is
1711 valid for the machine's "insv" instruction before moving the
1712 target into a pseudo for use with the insv.
1713 * config/i386/predicates.md (const8_operand): New predicate.
1714 * config/i386/i386.md (extv, extzv, insv): Use the new
1715 const8_operand predicate where appropriate.
1717 2006-04-25 DJ Delorie <dj@redhat.com>
1719 * doc/install.texi (Specific): Clarify that this is not a list of
1720 supported hosts or targets.
1722 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1724 PR rtl-optimization/26725
1725 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1726 block's BB_DIRTY flag.
1728 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1730 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1733 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1734 to print an integer.
1736 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1738 * varasm.c (align_variable): New function.
1739 (get_block_for_decl): Apply align_variable to DECL before
1740 calculating section information.
1741 (assemble_variable): Split out alignment computation.
1743 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1745 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1748 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1750 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1751 MODE_PARTIAL_INT mode.
1752 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1753 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1755 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1756 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1758 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1760 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1762 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1763 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1764 MACFLAG_IH): Likewise.
1765 (movstricthi_1): Renamed from "*movstricthi".
1766 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1767 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1768 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1769 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1770 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1771 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1772 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1773 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1774 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1775 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1776 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1777 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1778 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1779 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1780 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1782 * doc/rtl.texi (ss_ashift): Improve wording.
1784 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1786 * dwarf2out.c (verify_marks_clear): New.
1787 (prune_unused_types): Call verify_marks_clear initially, not
1790 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1792 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1793 * doc/rtl.texi: Document them.
1794 * simplify-rtx.c (simplify_unary_operation,
1795 simplify_binary_operation_1): Don't abort when we see them.
1797 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1800 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1801 * configure.ac: Completely disregard languages that are not
1803 * configure: Regenerated.
1805 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1806 Richard Guenther <rguenther@suse.de>
1808 PR tree-optimization/27236
1809 * tree-inline.c (copy_body_r): Make sure to copy
1810 TREE_THIS_VOLATILE flag.
1812 2006-04-24 Richard Guenther <rguenther@suse.de>
1815 * tree-complex.c (update_parameter_components): Don't handle
1816 unused parameters which have no default def.
1818 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1819 Richard Guenther <rguenther@suse.de>
1821 PR tree-optimization/27218
1822 * tree-inline.c (expand_call_inline): Strip useless type
1823 conversions for the return slot address.
1825 2006-04-24 Richard Guenther <rguenther@suse.de>
1827 * cfgloop.h (struct loops): Remove unused field array. Reorder
1829 (LOOP_PREFETCH): Remove.
1831 2006-04-24 Richard Guenther <rguenther@suse.de>
1833 PR tree-optimization/22525
1834 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1835 variable, adjust types of generated expressions.
1837 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1839 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1840 (tree-vect-patterns.o): Likewise.
1842 (cselib.o): Likewise.
1843 (loop-doloop.o): Likewise.
1844 (regclass.o): Likewise.
1845 (reload1.o): Likewise.
1846 (explow.o): Replace target.h with $(TARGET_H).
1847 (ipa-prop.o): Likewise.
1848 (ipa-cp.o): Likewise.
1849 (ipa-inline.o): Likewise.
1850 (reorg.o): Likewise.
1851 (reg-stack.o): Likewise.
1853 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1855 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1857 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1859 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1861 * configure.ac: Completely disregard languages that are not
1863 * configure: Regenerated.
1866 * c-common.h (c_build_bitfield_integer_type): Declare.
1867 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1868 * c-common.c (c_build_bitfield_integer_type): ... here.
1870 2006-04-23 Roger Sayle <roger@eyesopen.com>
1873 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1874 a SImode SUBREG of a floating point register after no_new_pseudos.
1876 2006-04-23 Roger Sayle <roger@eyesopen.com>
1878 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1879 identify potentially eliminable registers to additionally catch
1880 VIRTUAL_INCOMING_ARGS_REGNUM.
1881 (addsi3): Update the conditions on when to use addsi_small_int.
1883 2006-04-23 Roger Sayle <roger@eyesopen.com>
1886 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1887 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1888 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1890 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1892 * fold-const.c (range_predecessor): Use operand_equal_p
1893 as the predicate for equality.
1894 (range_successor): Likewise.
1896 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1899 * config/soft-fp/op-common.h: Fix a typo.
1901 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1904 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1905 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1907 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1909 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1911 * doc/tm.texi: Fix a typo.
1913 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1915 * dwarf2out.c (struct die_struct): Document that die_sib makes
1916 a circular linked list.
1917 (FOR_EACH_CHILD): New.
1918 (reverse_die_lists): Delete.
1919 (reverse_all_dies): Delete.
1920 (add_dwarf_attr): Correct documentation.
1921 (remove_child_with_prev): New.
1922 (remove_child_TAG): Update for change to die_struct, use
1923 remove_child_with_prev.
1924 (add_child_die): Update for change to die_struct.
1925 (splice_child_die): Use remove_child_with_prev and add_child_die.
1926 (print_die): Use FOR_EACH_CHILD.
1927 (die_checksum): Likewise.
1928 (assign_symbol_names): Likewise.
1929 (output_location_lists): Likewise.
1930 (build_abbrev_table): Likewise.
1931 (calc_die_sizes): Likewise.
1932 (mark_dies): Likewise.
1933 (unmark_dies): Likewise.
1934 (unmark_all_dies): Likewise.
1935 (output_die): Likewise.
1936 (prune_unused_types_mark): Likewise.
1937 (prune_unused_types_walk): Likewise.
1938 (same_die_p): Update for change to die_struct.
1939 (break_out_includes): Likewise.
1940 (prune_unused_types_prune): Likewise.
1941 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1942 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1944 (dwarf2out_finish): Don't call reverse_all_dies.
1946 2006-04-21 Eric Christopher <echristo@apple.com>
1948 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1949 in comments and function names.
1951 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1954 * c-typeck.c (digest_init): Robustify.
1956 * c-typeck.c (pop_init_level): Simplify.
1958 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1960 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1962 2006-04-21 Paul Brook <paul@codesourcery.com>
1964 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1965 hardware floating point.
1967 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1969 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1972 2006-04-21 Nick Clifton <nickc@redhat.com>
1974 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1977 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1980 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1981 C++ lang type in traceback table for Objective-C++.
1983 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1985 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1987 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1989 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1992 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1993 were errors. Remove check for erroneous objects.
1995 2006-04-20 Jeff Law <law@redhat.com>
1997 PR tree-optimization/26854
1998 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1999 checking for zero or one use.
2000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2001 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2002 * tree-ssa-reassoc.c (negate_value): Similarly.
2003 (reassociate_bb): Similarly.
2005 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2007 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2008 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2009 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2011 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2013 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2014 fp regs if the last fp arg doesn't fit in regs.
2016 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2019 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2020 that the last insn has the REG_INC note.
2022 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2023 Nathan Sidwell <nathan@codesourcery.com>
2026 * stor-layout.c (update_alignment_for_field): Do not align
2028 (place_union_field): Place union field at the start of the union.
2029 (place_field): Move ERROR_MARK check later, and use the current
2030 allocation position to maintain monotonicity.
2032 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2034 * dominance.c: Include timevar.h.
2035 (calculate_dominance_info): Use TV_DOMINANCE.
2036 * timevar.def (TV_DOMINANCE): New timevar.
2037 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2039 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2041 PR rtl-optimization/14261
2042 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2043 move would be an INSV insn.
2044 (noce_process_if_block): Don't optimize if the destination is a
2045 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2047 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2049 * config/s390/s390.md: Add comments with the instructions emitted
2050 by an insn pattern if macros are used.
2052 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2054 PR rtl-optimization/26026
2055 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2056 is a known power of two shifted left a variable amount.
2058 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2060 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2061 to hash table twice when the debug_str section has SECTION_MERGE.
2063 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2065 * config/soft-fp: New directory. From glibc.
2066 * config/soft-fp/t-softfp: New.
2067 * config/soft-fp/README: New.
2068 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2069 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2070 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2071 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2072 * config.gcc: Use rs6000/t-fprules-fpbit or
2073 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2075 * config/rs6000/sfp-machine.h: New. Based on glibc.
2076 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2078 * config/rs6000/t-fprules: Remove fp-bit rules.
2079 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2080 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2081 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2082 (softfp_wrap_start, softfp_wrap_end): New.
2084 2006-04-18 DJ Delorie <dj@redhat.com>
2086 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2088 2006-04-18 Devang Patel <dpatel@apple.com>
2090 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2092 2006-04-18 Nick Clifton <nickc@redhat.com>
2094 * config/sh/t-symbian: Add rule to build sh-c.o
2095 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2096 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2097 (sh_symbian_encode_section_info): Likewise.
2099 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2101 * builtins.c (expand_builtin_strcmp): Cover label definition of
2102 do_libcall with HAVE_cmpstrnsi.
2104 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2106 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2108 * function.h (temp_slot_p): New.
2109 (function): Change the type of x_used_temp_slots to
2110 VEC(temp_slot_p,gc) *.
2112 2006-04-18 Nick Clifton <nickc@redhat.com>
2114 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2115 flag_strength_reduce.
2117 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2119 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2123 Partial revert of revision 112637
2124 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2125 Dale Johannesen <dalej@apple.com>
2128 * regclass.c (struct reg_pref): Update documentation.
2129 (regclass): Set prefclass to NO_REGS if memory is the best option.
2130 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2132 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2134 PR tree-optimization/26821
2135 * tree-ssa-math-opts.c (get_constant_one): New.
2136 (insert_reciprocals): Use it.
2138 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2140 * dwarf2out.c (free_AT): Delete.
2141 (remove_AT): Update string ref counts.
2142 (remove_child_TAG): Don't call free_die.
2144 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2145 or DW_TAG_GNU_EINCL.
2146 (prune_unused_types_walk_attribs): Reset string refcounts.
2147 (prune_unused_types_update_strings): New.
2148 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2149 call free_die. Do call prune_unused_types_update_strings.
2150 (prune_unused_types): Empty debug_str_hash.
2152 2006-04-17 Roger Sayle <roger@eyesopen.com>
2154 * expr.c (expand_assignment): Optimize away no-op moves where the
2155 source and destination are equal and have no side-effects.
2157 2006-04-17 Richard Guenther <rguenther@suse.de>
2160 * reload.c (push_reload): Guard calls to get_secondary_mem
2163 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2165 * alias.c (reg_base_value, old_reg_base_value): Change the
2166 type to VEC(rtx,gc) *.
2167 (REG_BASE_VALUE, find_base_value, record_set,
2168 init_alias_analysis): Use VEC instead of VARRAY.
2170 * alias.c (alias_sets): Change the type to
2171 VEC(alias_set_entry,gc) *.
2172 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2173 VEC instead of VARRAY.
2174 (last_alias_set): Remove.
2176 * cgraph.h (cgraph_edge_p): New.
2177 Update the prototype of cgraph_function_versioning.
2178 * cgraphunit.c (cgraph_copy_node_for_versioning,
2179 cgraph_function_versioning): Use VEC instead of VARRAY.
2180 * ipa-cp.c (ipcp_insert_stage): Likewise.
2182 2006-04-16 Roger Sayle <roger@eyesopen.com>
2185 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2186 "A op B" or "A op C", we may need to convert A to the type of B and C.
2188 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2190 * target.h (struct gcc_target): Add mode_rep_extended.
2191 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2192 (init_num_sign_bit_copies_in_rep): Initialize it using
2194 (truncate_to_mode): Use it.
2195 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2196 * targhooks.h (default_mode_rep_extended): Declare it.
2197 * targhooks.c (default_mode_rep_extended): Define it.
2198 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2199 default_mode_rep_extended.
2200 (TARGET_INITIALIZER): Include it.
2201 * doc/tm.texi (Misc): Document it.
2202 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2203 (mips_truncated_to_mode): New function.
2205 2006-04-16 Roger Sayle <roger@eyesopen.com>
2208 * expr.c (compress_float_constant): Copy the narrow constant into
2209 a new pseudo before extending it to its final width.
2211 2006-04-16 Roger Sayle <roger@eyesopen.com>
2212 Andrew Pinski <pinskia@gcc.gnu.org>
2213 Dale Johannesen <dalej@apple.com>
2216 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2217 special case code to implement V8HImode and V16QImode with SSE2.
2219 2006-04-15 Roger Sayle <roger@eyesopen.com>
2221 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2222 trees are constructed with a suitable tree type.
2224 2006-04-15 Roger Sayle <roger@eyesopen.com>
2226 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2227 (integer_onep): Likewise.
2228 (integer_all_onesp): Likewise.
2229 (integer_pow2p): Likewise.
2230 (integer_nonzerop): Likewise.
2231 (real_zerop): Likewise.
2232 (real_onep): Likewise.
2233 (real_twop): Likewise.
2234 (real_minus_onep): Likewise.
2235 (int_size_in_bytes): Likewise.
2236 (host_integerp): Likewise.
2238 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2240 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2241 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2242 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2244 * tree-ssa-structalias.h (alias_info): Remove num_references.
2246 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2248 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2249 (output_bvb patterns): Likewise.
2250 * pa.c (output_bb): Use 'bb' insn for long branch case.
2251 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2252 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2253 1. Correct length operand for alternatives 1 and 2.
2254 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2255 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2257 2006-04-14 Roger Sayle <roger@eyesopen.com>
2259 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2260 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2261 were accidentally reverted by r112959.
2263 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2266 * except.h (eh_region_outermost): New prototype.
2267 * except.c (eh_region_outermost): New function.
2268 * tree-cfg.c (find_outermost_region_in_block): Use it.
2270 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2272 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2274 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2275 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2276 (init_reload, reload): Use VEC instead of VARRAY.
2277 * reload.h: Update the prototype for
2278 reg_equiv_memory_loc_varray.
2280 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2281 Eric Botcazou <ebotcazou@libertysurf.fr>
2283 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2286 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2289 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2290 to expand fallback builtin function call.
2292 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2295 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2296 and emit libcall here in case the builtin fails.
2297 (expand_builtin_strcmp): Always emit the libcall here on failure.
2299 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2301 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2302 * flow.c (reg_n_info): Change the type to
2303 VEC(reg_info_p,heap) *.
2304 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2306 * regs.h (reg_info_p): New.
2307 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2308 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2309 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2312 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2314 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2316 * params.h (MAX_SCHED_READY_INSNS): New macro.
2317 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2318 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2319 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2320 the ready list for 1 cycle during the first scheduling pass.
2321 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2323 2006-04-13 Richard Henderson <rth@redhat.com>
2326 * gimple-low.c (lower_omp_directive): Remove dead code.
2327 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2328 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2329 * omp-low.c (struct omp_region): Move to tree-flow.h.
2330 (root_omp_region): Export.
2331 (omp_regions, lookup_omp_region): Remove.
2332 (determine_parallel_type): Update for struct omp_region changes.
2333 (dump_omp_region): Dump regions with block numbers.
2334 (new_omp_region): Take type and block instead of stmt; malloc
2336 (free_omp_region_1, free_omp_regions): New.
2337 (expand_parallel_call): Take entry_stmt as argument; update for
2338 changes to omp_region.
2339 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2340 (remove_exit_barriers): New.
2341 (expand_omp_parallel): Update for struct omp_region changes.
2342 (expand_omp_synch): Likewise.
2343 (expand_omp): Likewise.
2344 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2345 (expand_omp_for_static_chunk): Likewise.
2346 (expand_omp_for): Likewise.
2347 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2348 (expand_omp_sections): Similarly, with GOMP_sections_end.
2349 (expand_omp_single): New.
2350 (build_omp_regions_1): Update for OMP_CONTINUE.
2351 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2352 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2353 OMP_SECTIONS_SECTIONS.
2354 (lower_omp_single_simple): Don't emit barrier here.
2355 (lower_omp_single_copy): Likewise.
2356 (lower_omp_single): Fix bindings, and lower to straightline now.
2357 (lower_omp_master, lower_omp_ordered): Likewise.
2358 (lower_omp_critical): Likewise.
2359 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2360 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2361 omp edges, free it afterward.
2362 (make_omp_sections_edges): Remove.
2363 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2364 (move_stmt_r): Handle OMP_CONTINUE.
2365 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2366 statement pointers to basic blocks. Add type member.
2367 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2368 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2369 * tree-inline.c (estimate_num_insns_1): Likewise.
2370 * tree-pretty-print.c (dump_generic_node): Likewise.
2371 * tree-ssa-operands.c (get_expr_operands): Likewise.
2372 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2373 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2374 (OMP_CONTINUE): New.
2375 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2376 (OMP_SECTIONS_SECTIONS): Remove.
2377 (OMP_SECTION_LAST): New.
2378 (OMP_RETURN_NOWAIT): New.
2380 2006-04-13 Roger Sayle <roger@eyesopen.com>
2382 * fold-const.c (native_encode_vector, native_interpret_real):
2383 Correct obvious mistakes in the previous check-in.
2385 2006-04-13 Roger Sayle <roger@eyesopen.com>
2387 * fold-const.c (native_encode_expr): New function to encode
2388 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2389 or VECTOR_CST into a specified buffer.
2390 (native_encode_int): New function.
2391 (native_encode_real): New function.
2392 (native_encode_complex): New function.
2393 (native_encode_vector): New function.
2394 (native_interpret_expr): Inverse of native_encode_expr to convert
2395 a target representation into an INTEGER_CST, REAL_CST etc...
2396 (native_interpret_int): New function.
2397 (native_interpret_real): New function.
2398 (native_interpret_complex): New function.
2399 (native_interpret_vector): New function.
2400 (fold_view_convert_expr): New function to constant fold/evaluate
2401 a VIEW_CONVERT_EXPR of a suitable constant expression.
2402 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2403 Change call of build1 to fold_build1 when constructing a
2406 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2407 Ulrich Weigand <uweigand@de.ibm.com>
2410 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2413 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2416 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2417 optimize to lo_sum for DFmode if !TARGET_FPRS.
2419 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2421 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2422 delete_alias_info, compute_flow_sensitive_aliasing,
2423 group_aliases): Use VEC instead of VARRAY.
2424 * tree-ssa-structalias.c (update_alias_info): Likewise.
2425 * tree-ssa-structalias.h (alias_info): Change the type of
2426 processed_ptrs to VEC(tree,heap) *.
2428 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2431 * config/sh/lib1funcs.h: New file, broken out of:
2432 * config/sh/lib1funcs.asm.
2433 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2435 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2436 * config/sh/lib1funcs-Os-4-200.asm: New file.
2437 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2438 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2439 (EXTRA_MULTILIB_PARTS): Include it.
2440 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2441 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2442 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2443 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2446 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2448 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2449 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2450 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2452 * tree-ssa-live.h: Include vecprim.h.
2453 (tree_partition_associator_d): Change the type of
2454 first_partition to VEC(int,heap) *.
2455 (tpa_first_partition): Use VEC instead of VARRAY.
2457 * Makefile.in (GTFILES): Move functions.h after tree.h.
2458 * function.c (reset_block_changes, record_block_change,
2459 check_block_change, free_block_changes): Use VEC instead of
2461 * function.h (function): Change the type of
2462 ib_boundaries_block to VEC(tree,gc) *.
2463 * tree-inline.c (copy_cfg_body): Initialize
2464 ib_boundaries_block to NULL instead of (varray_type) 0.
2466 2006-04-12 Roger Sayle <roger@eyesopen.com>
2468 * expr.c (emit_group_store): Correct operand order in call to
2469 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2470 a SUBREG_BYTE of zero.
2472 2006-04-12 Richard Guenther <rguenther@suse.de>
2474 * profile.c (compute_branch_probabilities): Remove code
2475 encapsulated in !ir_type (), which are remanents of the
2476 removed RTL profiling code.
2477 * rtl-profile.c: Remove.
2479 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2481 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2482 magic NULL_RTX comment.
2483 (function_arg): Store entire fp arg to mem if any part should go
2485 (rs6000_arg_partial_bytes): Adjust for above change.
2487 2006-04-11 Roger Sayle <roger@eyesopen.com>
2489 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2490 if it hasn't been initialized by dwarf2out_init.
2492 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2494 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2495 symbolic constants in branch patterns.
2497 2006-04-11 Roger Sayle <roger@eyesopen.com>
2499 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2501 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2503 PR rtl-optimization/27073
2504 * gcse.c (try_replace_reg): Revert last change. Continue to search
2505 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2508 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2510 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2511 aggregate types other than record and union types.
2512 (function_arg): Likewise.
2513 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2515 (function_value): In 64-bit mode, return objects that require it
2518 2006-04-11 Roger Sayle <roger@eyesopen.com>
2520 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2522 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2524 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2526 2006-04-03 Jeff Law <law@redhat.com>
2529 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2530 alias information too.
2532 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2534 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2536 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2539 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2540 (premark_used_types_helper): New.
2541 (premark_used_types): New.
2542 (gen_subprogram_die): Call premark_used_types.
2543 (prune_unused_types_walk): Do not prune perennial dies.
2544 * function.c (used_types_insert): New.
2545 * function.h (struct function): Add used_types_hash field.
2546 (used_types_insert): Add prototype.
2547 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2548 * c-parser.c (c_parser_cast_expression): Save casted types in used
2551 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2554 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2555 rs6000_explicit_options.float_gprs.
2557 2006-04-10 Roger Sayle <roger@eyesopen.com>
2559 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2560 from ix86_expand_vector_init_low_nonzero. Take an additional
2561 one_var argument indicating which element is non-zero. Support
2562 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2563 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2564 with one_var instead of ix86_expand_vector_init_low_nonzero.
2566 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2568 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2569 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2570 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2571 build/genextract.o): Depend on vecprim.h.
2572 * cfglayout.c, df-problems.c, function.c, genextract.c,
2573 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2574 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2578 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2580 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2581 Declare VECs of this type.
2582 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2583 (remove_children): Delete.
2584 (add_dwarf_attr): Use VEC routines.
2585 (add_AT_flag): Update for changes to add_dwarf_attr.
2586 (add_AT_int): Likewise.
2587 (add_AT_unsigned): Likewise.
2588 (add_AT_long_long): Likewise.
2589 (add_AT_vec): Likewise.
2590 (add_AT_string): Likewise.
2591 (add_AT_die_ref): Likewise.
2592 (add_AT_fde_ref): Likewise.
2593 (add_AT_loc): Likewise.
2594 (add_AT_loc_list): Likewise.
2595 (add_AT_addr): Likewise.
2596 (add_AT_lbl_id): Likewise.
2597 (add_AT_lineptr): Likewise.
2598 (add_AT_macptr): Likewise.
2599 (add_AT_offset): Likewise.
2600 (add_AT_range_list): Likewise.
2601 (get_AT): Use VEC_iterate.
2602 (remove_AT): Use VEC_ordered_remove.
2603 (free_die): Fold remove_children into here; have it use VEC_iterate.
2604 (print_die): Use VEC_iterate on attrs.
2605 (reverse_die_lists): Don't reverse attr lists.
2606 (die_checksum): Use VEC_iterate on attrs.
2607 (same_die_p): Likewise.
2608 (output_location_lists): Likewise.
2609 (build_abbrev_table): Likewise.
2610 (size_of_die): Likewise.
2611 (unmark_all_dies): Likewise.
2612 (output_abbrev_section): Likewise.
2613 (output_die): Likewise.
2614 (prune_unused_types_walk_attribs): Likewise.
2616 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2618 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2620 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2623 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2625 2006-04-09 Roger Sayle <roger@eyesopen.com>
2627 * expr.c (store_constructor): Don't bother clearing target if
2628 we're about to assign a vector to it using vec_init_optab.
2630 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2632 * tree-ssa-alias.c (lhs_may_store_to): New function.
2633 (recalculate_used_alone): Handle LHS of calls.
2635 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2639 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2640 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2641 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2642 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2643 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2644 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2645 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2646 stubs. Add ".align 8" directives before all ".dword" directives.
2647 (GTHREAD_USE_WEAK): Revise comment.
2648 (TARGET_ATTRIBUTE_WEAK): Define.
2649 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2650 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2651 * stublib.c: New file.
2656 * pa.md (cbranch patterns): Revise arguments used in calls to
2657 output_cbranch, output_bb and output_bvd. Add long branch length
2659 (fbranch patterns): Handle long branches.
2660 (jump): Revise length check. Revise arguments for output_lbranch call.
2661 Add long branch length attributes.
2662 (decrement_and_branch_until_zero): Add long branch length attributes.
2663 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2664 Likewise. Revise arguments for output_parallel_addb and
2665 output_parallel_movb calls.
2666 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2667 output_parallel_movb and output_parallel_addb): Update prototypes.
2668 * pa.c (output_cbranch): Revise arguments. Correct handling of
2669 nullification in long branches.
2670 (output_lbranch): Add new argument to control extraction of delay
2672 (output_bb): Handle long branches.
2673 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2674 output_parallel_addb): Likewise.
2676 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2678 PR rtl-optimization/27073
2679 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2682 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2684 * tree.h (tree_memory_tag): Add old_used_alone.
2685 (SMT_OLD_USED_ALONE): New macro.
2686 * tree-ssa-alias.c (recalculate_used_alone): Stop
2687 marking things for renaming unnecessarily.
2689 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2691 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2692 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2693 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2694 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2695 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2696 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2697 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2698 spelling convensions.
2699 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2700 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2701 typos. Follow spelling conventions.
2703 2006-04-07 DJ Delorie <dj@redhat.com>
2705 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2706 passed on the stack.
2707 (m32c_init_cumulative_args): When a function returns a structure,
2708 always pass the pointer to that return area on the stack.
2709 (m32c_function_arg_advance): Don't increment the parameter number
2710 if we're processing the returned structure pointer.
2711 (pushm_info): Reverse order of registers.
2713 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2715 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2716 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2717 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2718 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2720 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2721 chrec_fold_multiply): Same.
2722 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2723 force_expr_to_var_cost): Same.
2724 * tree-mudflap.c (mf_xform_derefs_1): Same.
2725 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2727 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2729 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2730 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2733 2006-04-07 Jan Hubicka <jh@suse.cz>
2735 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2737 2006-04-07 Richard Guenther <rguenther@suse.de>
2739 PR tree-optimization/26135
2740 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2741 loads for store copy-prop.
2742 (copy_prop_visit_stmt): Likewise.
2744 2006-04-05 Robert Millan <robertmh@gnu.org>
2746 * config/i386/linux.h: Add a comment to mark macros that are
2747 being overriden in config/k*bsd-gnu.h.
2748 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2750 * config/knetbsd-gnu.h: Ditto.
2752 2006-04-06 Jan Hubicka <jh@suse.cz>
2756 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2759 2006-04-06 Mike Stump <mrs@apple.com>
2761 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2762 for HAVE_nonlocal_goto to be consistent.
2763 (expand_builtin_nonlocal_goto): Likewise.
2764 (expand_builtin_strcmp): Use #ifdef instead of #if
2765 for HAVE_cmpstrnsi to be consistent.
2767 2006-04-05 DJ Delorie <dj@redhat.com>
2769 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2772 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2774 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2775 got-relative addressing for anything but SImode.
2777 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2778 even if the calling function doesn't modify them.
2780 2006-04-05 Richard Guenther <rguenther@suse.de>
2782 PR tree-optimization/26919
2783 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2784 to cgraph_estimate_size_after_inlining.
2786 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2788 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2790 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2792 PR tree-optimization/26996
2793 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2794 VECTOR_TYPE variables.
2796 2006-04-05 Richard Guenther <rguenther@suse.de>
2798 PR tree-optimization/26763
2799 * fold-const.c (fold_comparison): Move folding of
2800 PTR + CST CMP PTR + CST ...
2801 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2803 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2805 * doc/install.texi (Prerequisites): Refine some wording on
2806 bootstrapping and ksh.
2807 Move the version numbers of DejaGnu here from the testing section
2808 and fix casing of names.
2809 Fix markup and clarify wording for autogen requirements.
2810 Refer to GCJ instead of just java.
2811 Refer to SVN instead of CVS.
2812 Describe diffutils as useful instead of necessary.
2813 (Downloading the source): Refer to SVN instead of CVS.
2814 Adjust a link to our web site accordingly.
2815 (Configuration): Fix casing of Bison.
2816 (Building): Refer to SVN instead of CVS.
2817 Fix a sentence on the use of Bison and remove duplicate (and
2818 incorrect) version number of Bison requirement.
2819 Remove one redundant list of packages needed for building.
2820 (Specific): Avoid reference to CVS.
2822 2006-04-04 Eric Christopher <echristo@apple.com>
2824 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2825 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2826 (rs6000_handle_struct_attribute): New.
2827 (rs6000_ms_bitfield_layout_p): Ditto.
2829 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2831 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2832 NULL for dso parameter to atexit_common.
2834 2006-04-04 Eric Christopher <echristo@apple.com>
2836 * config/i386/i386.c (machopic_output_stub): Output \t
2837 between instructions and operands.
2839 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2841 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2842 satisfies_constraint_[IL] to explicit tests on value.
2844 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2846 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2847 set_nb_iterations_in_loop): Use build_int_cst instead of
2849 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2850 build_int_cst instead of convert.
2852 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2854 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2855 new value 2 for incoming.
2856 * function.c (expand_function_start): Call struct_value_rtx
2858 * config/sparc/sparc.md: Comment updated_return.
2859 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2860 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2861 struct return if sparc_std_struct_return and incoming is 2.
2862 (print_operand): Do not adjust return if
2863 sparc_std_struct_return.
2865 2006-04-04 Roger Sayle <roger@eyesopen.com>
2867 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2868 convert in the middle-end.
2869 * expr.c (store_expr, store_constructor, get_inner_reference,
2870 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2872 * tree.c (build_range_type): Likewise.
2874 2006-04-04 Tom Tromey <tromey@redhat.com>
2876 * doc/install.texi (Prerequisites): Mention jar.
2878 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2880 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2883 2006-04-04 Matthias Klose <doko@debian.org>
2885 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2886 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2889 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2891 * doc/extend.texi (Function Attributes): Rewrite visibility
2892 attribute documentation.
2893 * doc/invoke.texi (C++ Dialect Options): Rewrite
2894 -fvisibility-inlines-hidden documentation to describe something
2895 entirely different, although in practise compatible.
2896 (Code Gen Options): Warn about system headers in -fvisibility=
2899 * doc/extend.texi (Other Builtins): Document that
2900 __builtin_nan is a compile-time constant only when its argument
2903 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2905 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2906 trying to remove TRUNCATE check if all bits outside the new mode
2907 are identical to the sign bit.
2909 2006-04-03 Jeff Law <law@redhat.com>
2911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2912 and operand scanning in some common cases.
2914 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2915 Dale Johannesen <dalej@apple.com>
2918 * regclass.c (struct reg_pref): Update documentation.
2919 (regclass): Set prefclass to NO_REGS if memory is the best option.
2920 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2921 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2922 into account. For non-registers, equate an empty preferred
2923 reload class to a `!' in the constraint; move the if clause to
2924 do so after those that reject the insn.
2925 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2927 (find_dummy_reload): Likewise.
2928 * doc/tm.texi (Register Classes): Document what it means
2929 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2930 * config/i386/i386.c (ix86_preferred_reload_class): Force
2931 using SSE registers (and return NO_REGS for floating-point
2932 constants) if math is done with SSE.
2933 (ix86_preferred_output_reload_class): New.
2934 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2935 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2936 * config/i386/i386.md: Remove # register preferences.
2938 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2941 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2942 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2943 the type of nb_iter.
2944 (instantiate_parameters_1): Convert the operands before calling
2945 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2946 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2948 2006-04-02 Roger Sayle <roger@eyesopen.com>
2950 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2951 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2953 * dojump.c (do_jump): Likewise.
2954 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2955 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2956 gimplify_boolean_expr): Likewise.
2957 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2958 * varasm.c (array_size_for_constructor): Likewise.
2959 * tree-object-size.c (compute_object_offset): Likewise.
2961 2006-04-02 Roger Sayle <roger@eyesopen.com>
2964 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2965 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2967 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2969 PR tree-optimization/26939
2970 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2972 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2974 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2975 at_stmt. Convert the type of operands before calling
2976 build_polynomial_chrec.
2977 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2979 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2980 (instantiate_parameters_1): Convert the type of operands before calling
2981 build_polynomial_chrec.
2982 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2983 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2984 reset_evolution_in_loop): Insert asserts to check the types of the
2986 (chrec_type): Moved...
2987 (eq_evolutions_p): Use operand_equal_p.
2988 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2989 the types of the operands.
2990 (chrec_type): ...here.
2991 * tree-data-ref.c (create_data_ref): Convert the operands before
2992 calling chrec_replace_initial_condition.
2993 (same_access_functions, analyze_subscript_affine_affine,
2994 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2995 (compute_subscript_distance, analyze_ziv_subscript,
2996 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2997 analyze_miv_subscript): Convert the operands before calling
2998 chrec_fold_minus or chrec_fold_plus.
3000 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3002 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3003 the dependence_relations vector.
3004 (compute_data_dependences_for_loop): Adjust call to
3005 compute_all_dependences.
3007 2006-04-01 Roger Sayle <roger@eyesopen.com>
3008 Richard Henderson <rth@redhat.com>
3010 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3011 gimple_boolify on the condition before calling gimplify_expr.
3013 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3015 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3016 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3017 the frame size. Update to use the new macros.
3018 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3019 * config/xtensa/ieee754-df.S: Likewise.
3021 2006-03-31 Richard Henderson <rth@redhat.com>
3023 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3024 (make_edges): ... here. Control fallthru creation with a local
3025 variable. Do not play with fake edges.
3026 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3027 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3030 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3032 * dwarf2.h (DW64_CIE_ID): Define.
3033 * dwarf2out.c (DWARF_CIE_ID): Define.
3034 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3035 length header. Use DWARF_CIE_ID.
3036 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3037 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3039 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3041 * config/sh/linux-atomic.asm: New file.
3042 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3044 2006-03-31 DJ Delorie <dj@redhat.com>
3046 * config/m32c/cond.md: Set condition flags properly throughout.
3047 * config/m32c/minmax.md: Likewise.
3048 * config/m32c/prologue.md: Likewise.
3049 * config/m32c/bitops.md: Likewise.
3050 * config/m32c/muldiv.md: Likewise.
3051 * config/m32c/mov.md: Likewise.
3052 * config/m32c/addsub.md: Likewise.
3053 * config/m32c/m32c.md: Likewise.
3054 * config/m32c/jump.md: Likewise.
3055 * config/m32c/shift.md: Likewise.
3057 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3058 conditionally output the pattern for this.
3059 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3060 (m32c_compare_redundant): New.
3061 (m32c_output_compare): New.
3062 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3064 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3065 dest, not src. Allow other 4-byte modes.
3067 2006-03-30 Denis Chertykov <denisc@overta.ru>
3069 * doc/md.texi: Refer to avr/constraints.md instead of
3072 2006-03-30 Roger Sayle <roger@eyesopen.com>
3074 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3075 signed vs. unsigned comparison failures on some hosts.
3077 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3080 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3081 change to FLOAT_REGS.
3083 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3084 (rs6000_override_options): Use it.
3085 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3086 only for -mabi=spe/no-spe and -mabi=altivec.
3088 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3090 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3093 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3095 * Makefile.in: Rename docdir to gcc_docdir.
3097 2006-03-30 Roger Sayle <roger@eyesopen.com>
3100 * expr.c (emit_group_store): Optimize group stores into a pseudo
3101 register by using a paradoxical subreg to initialize the destination
3102 if the first or last member of the group specifies a "low part".
3104 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3107 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3108 * target.h (struct gcc_target.speculate_insn): Change type of the
3109 second parameter to 'int'.
3110 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3111 the second operand of the DEPS_LIST.
3112 (copy_DEPS_LIST_list): Update reference to the second operand of the
3114 * rtl.h (alloc_DEPS_LIST): Update signature.
3115 * sched-int.h (ds_t): Change typedef to 'int'.
3116 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3118 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3120 * haifa-sched.c (try_ready): Change condition to restore
3121 non-speculative pattern of the instruction.
3122 (process_insn_depend_be_in_spec): Code to keep probability of the
3123 speculative dependence non-decreasing.
3125 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3127 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3128 (single_move_for_movmem): ... this. Also change all uses.
3129 (bfin_expand_strmov): Renamed to...
3130 (bfin_expand_movmem): ... this. Also change all uses.
3131 * config/bfin/bfin.md (movstrsi): Renamed to...
3132 (movstrsi): ...this.
3134 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3136 PR tree-optimization/26830
3138 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3139 (copy_prop_visit_stmt): Remove write-only variable ann.
3140 (init_copy_prop): Check variable loop depth here. Do not simulate
3141 memory-tag and virtual operand PHIs except for store copy prop.
3143 2006-03-30 Richard Guenther <rguenther@suse.de>
3145 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3146 variants with double arguments.
3148 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3150 * genpreds.c (write_tm_constrs_h): Delete variable p.
3151 * genconditions.c (write_header): Add tm-constrs.h to included
3153 * genpeep.c (main): Add toplev.h to included headers.
3154 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3155 (build/genpeep.o): Add toplev.h dependency.
3156 * config/rs6000/constraints.md: Add "W" constraint.
3158 2006-03-29 Roger Sayle <roger@eyesopen.com>
3160 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3161 sizes by correctly testing whether the size fits a host integer.
3162 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3163 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3164 SImode range for the default sizetype and bitsizetype.
3166 2006-03-29 Roger Sayle <roger@eyesopen.com>
3168 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3169 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3170 quickly if the argument is already of the correct type.
3171 Call fold_build1 instead of build1. Tidy up blank lines.
3173 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3175 * genemit.c (main): Add tm-constrs.h to included headers.
3176 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3177 * genpeep.c (main): Add tm-constrs.h to included headers.
3178 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3179 (write_tm_constrs_h): this and write complete file.
3180 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3181 (write_insn_preds_c): Add tm-constrs.h to included headers.
3182 (gen_constrs): New variable.
3183 (parse_option): Parse "-c".
3184 (main): Invoke write_tm_constrs_h.
3185 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3186 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3187 (object_out_file): Add tm-constrs.h dependency.
3188 (insn-emit.o): Same.
3189 (insn-output.o): Same.
3190 (insn-peep.o): Same.
3191 (insn-preds.o): Same.
3192 (insn-recog.o): Same.
3193 (tm-constsr.h): New target.
3194 (s-constrs-h): New target.
3196 * config/rs6000/constraints.md: New file.
3197 * config/rs6000/rs6000.c: Include tm-constrs.h.
3198 (num_insn_constant_wide): Convert to satisfies_constraint.
3199 (rs6000_rtx_costs): Convert to satisfies_constraint.
3200 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3201 (CONST_OK_FOR_LETTER_P): Delete.
3202 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3203 (EXTRA_CONSTRAINT): Delete.
3204 (EXTRA_MEMORY_CONSTRAINT): Delete.
3205 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3206 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3207 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3208 satisfies_constraint.
3210 * config/i386/i386.c: Include tm-constrs.h.
3212 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3214 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3215 * tree-data-ref.c (find_data_references_in_loop,
3216 compute_data_dependences_for_loop): Use pointers to VEC.
3217 (analyze_all_data_dependences): Adjust calls.
3218 * tree-data-ref.h (find_data_references_in_loop,
3219 compute_data_dependences_for_loop): Adjust declarations.
3220 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3221 compute_data_dependences_for_loop.
3223 2006-03-29 Paul Brook <paul@codesourcery.com>
3225 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3228 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3230 PR tree-optimization/26859
3231 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3233 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3234 for the step after fold_convert.
3236 2006-03-29 Paul Brook <paul@codesourcery.com>
3238 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3239 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3241 2006-03-29 Paul Brook <paul@codesourcery.com>
3244 * targhooks.c (default_narrow_bitfield): New fuction.
3245 * targhooks.h (default_narrow_bitfield): add prototype.
3246 * target.h (gcc_target): Add narrow_volatile_bitfield.
3247 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3248 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3249 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3250 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3252 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3254 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3256 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3257 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3258 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3259 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3260 (s390_function_arg_float): Allow SDmode and DDmode values to be
3261 passed in floating point registers.
3262 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3263 check with SCALAR_FLOAT_MODE_P.
3264 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3266 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3268 PR tree-optimization/25985
3269 * tree-ssa-loop-niter.c (number_of_iterations_le,
3270 number_of_iterations_ne): Make comments more precise.
3271 (number_of_iterations_cond): Add only_exit argument. Use the
3272 fact that signed variables do not overflow only when only_exit
3274 (loop_only_exit_p): New.
3275 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3276 number_of_iterations_cond.
3278 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3280 PR tree-optimization/26643
3281 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3284 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3286 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3287 (divsi3_i4_int): Likewise.
3289 2006-03-28 Roger Sayle <roger@eyesopen.com>
3291 * expr.c (emit_group_store): Only create a new pseudo reg if the
3292 quantity it needs to hold isn't already a suitable pseudo.
3294 2006-03-28 Jeff Law <law@redhat.com>
3296 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3297 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3299 2006-03-28 Roger Sayle <roger@eyesopen.com>
3301 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3302 the equivalent ~X & Y, and the symmetry related transformations.
3303 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3304 ~X & Y, and symmetry related transforms.
3306 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3308 Revert my 2006-03-27 patches.
3310 2006-03-28 Roger Sayle <roger@eyesopen.com>
3312 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3313 ~(T1)X, when T1 and T2 are integer types of the same precision
3314 and (T2)X isn't an extension.
3316 2006-03-28 Jeff Law <law@redhat.com>
3318 PR tree-optimization/26796
3319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3320 need EH edge cleanups rather than purging them immediately.
3321 (eliminate_degenerate_phis): Handle queued EH cleanups.
3323 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3325 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3328 2006-03-27 Roger Sayle <roger@eyesopen.com>
3331 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3332 cast BIT_NOT_EXPR operand to the correct type.
3334 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3336 * tree-loop-linear.c: Don't include varray.h.
3337 (gather_interchange_stats, try_interchange_loops,
3338 linear_transform_loops): Use VEC instead of VARRAY.
3339 * lambda-mat.c: Don't include varray.h.
3340 * tree-chrec.c: Same.
3341 * lambda-trans.c: Same.
3342 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3343 VEC instead of VARRAY.
3344 * tree-vectorizer.h: Idem.
3345 * tree-data-ref.c (dump_data_references,
3346 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3347 initialize_data_dependence_relation, finalize_ddr_dependent,
3348 compute_all_dependences, find_data_references_in_loop,
3349 compute_data_dependences_for_loop, analyze_all_data_dependences,
3350 free_dependence_relation, free_dependence_relations,
3351 free_data_refs): Idem.
3352 * tree-data-ref.h (data_reference_p, subscript_p): New.
3353 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3354 VEC instead of VARRAY.
3355 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3356 (find_data_references_in_loop, compute_data_dependences_for_loop,
3357 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3358 dump_data_dependence_relations, free_dependence_relations,
3359 free_data_refs): Adjust declaration.
3360 (lambda_transform_legal_p): Move declaration here...
3361 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3362 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3363 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3364 vect_analyze_data_refs): Use VEC instead of VARRAY.
3365 * lambda.h (lambda_transform_legal_p): ...from here.
3366 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3367 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3368 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3369 tree-chrec.o): Don't depend on VARRAY_H.
3371 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3373 * rtl.def (Copyright): Update date.
3374 (DEPS_LIST): Change type of the second operand to 'int'.
3375 * target.h (Copyright): Update date.
3376 (struct gcc_target.speculate_insn): Change type of the second parameter
3378 * lists.c (Copyright): Update date.
3379 (alloc_DEPS_LIST): Change signature. Update reference to the second
3380 operand of the DEPS_LIST.
3381 (copy_DEPS_LIST_list): Update reference to the second operand of the
3383 * rtl.h (Copyright): Update date.
3384 (alloc_DEPS_LIST): Update signature.
3385 * sched-int.h (Copyright): Update date.
3386 (ds_t): Change typedef to 'int'.
3387 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3389 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3391 * haifa-sched.c (Copyright): Update date.
3392 (try_ready): Change condition to restore non-speculative pattern
3394 (process_insn_depend_be_in_spec): Code to keep probability of the
3395 speculative dependence non-decreasing.
3397 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3399 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3400 shut up the compiler.
3402 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3404 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3405 to use lib prefix for target.
3406 ($(T)libic_invalidate_array_4-200.a): Likewise.
3407 ($(T)libic_invalidate_array_4a.a): Likewise.
3409 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3410 J"orn Rennecke <joern.rennecke@st.com>
3412 * superh.opt: New file.
3413 * sh.c (boardtype, osruntime): Remove.
3414 * superh.h (SUBTARGET_OPTIONS): Remove.
3415 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3417 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3418 arguments with ^ and/or [].
3420 * config.gcc (sh-*-*): Add quoting to account for quirk of
3422 Replace == with = in enable_incomplete_targets test.
3424 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3425 with MASK_LITTLE_ENDIAN.
3427 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3428 * config/sh/sh.opt: Added to some comments.
3429 * config/sh/superh.h: Removed some chaff.
3431 * config/sh/sh.opt: Add m4-[1234]00* options.
3432 * config/sh/sh.c (sh_handle_option): Likewise.
3433 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3434 (ic_invalidate_array_4-100.o): New rule.
3435 ($(T)libic_invalidate_array_4-100.a): Likewise.
3436 (ic_invalidate_array_4-200.o): Likewise.
3437 ($(T)libic_invalidate_array_4-200.a): Likewise.
3438 (ic_invalidate_array_4a.o): Likewise.
3439 ($(T)libic_invalidate_array_4a.a): Likewise.
3440 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3441 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3443 * config/sh/crt1.asm: Merged in profiling code.
3444 * config/sh/superh.h (STARTFILE_SPEC): Override.
3445 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3446 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3447 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3449 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3450 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3451 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3453 * sh.opt (mpretend-cmove): New option.
3454 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3455 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3456 (movsicc): Add TARGET_PRETEND_CMOVE code.
3458 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3460 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3461 s390_class_max_nregs): New function prototypes.
3462 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3463 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3464 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3465 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3467 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3469 * dwarf2out.c (add_location_or_const_value_attribute): Call
3470 tree_add_const_value_attribute if nothing else works.
3471 (reference_to_unused): New.
3472 (rtl_for_decl_init): Use reference_to_unused to decide whether
3473 to output an initializer.
3475 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3478 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3479 peephole removing spe frob_di_df_2.
3481 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3483 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3484 (subscript_dependence_tester_1): Declared.
3485 (print_dir_vectors, print_dist_vectors): New.
3486 (debug_data_dependence_relation): New.
3487 (dump_data_dependence_relation): Print more details.
3488 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3489 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3490 (save_dist_v, save_dir_v, add_outer_distances,
3491 build_classic_dist_vector_1): New.
3492 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3493 Don't test for lambda_vector_lexico_pos.
3494 (same_access_functions, add_multivariate_self_dist,
3495 add_other_self_distances, dir_from_dist): New.
3496 (build_classic_dir_vector): Replace implementation almost identical to
3497 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3499 (subscript_dependence_tester_1): New.
3500 (subscript_dependence_tester): Handle the lexicographically negative
3501 distance vectors by recomputing the dependence relation.
3502 (compute_affine_dependence): Remove parameter loop_nest_depth.
3503 (compute_self_dependence): Don't call compute_subscript_distance.
3504 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3505 Add a parameter for the loop_nest.
3506 (find_loop_nest_1, find_loop_nest): New.
3507 (compute_data_dependences_for_loop): Compute the loop nest, and give
3508 up if the nest is not well formed.
3509 * tree-data-ref.h (loop_p): New.
3510 (struct data_dependence_relation): Replace size_vect field with
3511 loop_nest, a vec of loops.
3512 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3513 (DDR_LOOP_NEST): New.
3514 (print_dir_vectors, print_dist_vectors,
3515 debug_data_dependence_relation): Declared.
3516 (index_in_loop_nest): New.
3517 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3518 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3521 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3523 * simplify-rtx.c (simplify_relational_operation): Call
3524 simplify_relational_operation_1 even if mode is VOIDmode.
3526 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3528 PR tree-optimization/26804
3529 * tree.h (DECL_CALL_CLOBBERED): New macro.
3530 (tree_decl_common): Add call_clobbered_flag.
3531 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3532 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3533 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3534 (mark_non_addressable): Ditto.
3535 * tree-ssa.c (verify_call_clobbered): New function.
3536 (verify_alias_info): Use it.
3537 * tree-pass.h (pass_reset_cc_flags): New prototype.
3538 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3539 (reset_cc_flags): New function.
3540 * passes.c (init_optimization_passes): Call reset_cc_flags after
3541 initializing referenced_vars.
3543 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3544 Roger Sayle <roger@eyesopen.com>
3547 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3548 to 1.0 for non-real operands. Implement A / A optimization for
3551 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3553 * config/i386/i386.c (size_cost): Correct the comment for
3554 cost of storing fp registers.
3555 (i386_cost): Likewise.
3556 (i486_cost): Likewise.
3557 (pentium_cost): Likewise.
3558 (pentiumpro_cost): Likewise.
3559 (k6_cost): Likewise.
3560 (athlon_cost): Likewise.
3561 (k8_cost): Likewise.
3562 (pentium4_cost): Likewise.
3563 (nocona_cost): Likewise.
3564 (generic64_cost): Likewise.
3565 (generic32_cost): Likewise.
3567 2006-03-24 Denis Chertykov <denisc@overta.ru>
3569 * config/avr/avr-protos.h (extra_constraint): Delete.
3570 (extra_constraint_Q): New declaration.
3571 * config/avr/constraints.md: New file.
3572 * config/avr/avr.md: Include it.
3573 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3574 (TMP_REGNO, ZERO_REGNO): Likewise.
3575 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3576 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3577 (extra_constraint): Delete.
3578 (extra_constraint_Q): Test for memory constraint 'Q'.
3579 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3580 (REG_CLASS_FROM_LETTER): Delete.
3581 (CONST_OK_FOR_LETTER_P): Delete.
3582 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3583 (EXTRA_CONSTRAINT): Delete.
3584 (TMP_REGNO): Delete.
3585 (ZERO_REGNO): Delete.
3587 2006-03-24 Jeff Law <law@redhat.com>
3589 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3590 directly. Call mark_new_vars_to_rename slightly earlier.
3592 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3594 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3596 (gen_compile_unit_die): Use new language types for Objective-C and
3598 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3599 DW_LANG_C_plus_plus.
3602 * config/t-darwin (crt3.o): Work around bug 26840.
3603 * config/darwin-crt3.c: Rewrite.
3604 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3606 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3608 * doc/invoke.texi: Document -femit-class-debug-always
3609 * common.opt: Add -femit-class-debug-always.
3611 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3613 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3614 index and base register.
3615 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3616 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3617 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3618 REGNO_OK_FOR_INDEX_P.
3619 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3621 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3622 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3623 REG_OK_FOR_BASE_P): Definitions removed.
3625 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3628 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3629 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3630 set yet or weren't marked as local yet.
3632 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3634 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3637 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3639 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3640 (rs6000_legitimate_small_data_p): Delete.
3641 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3642 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3643 and make static. Add forward declaration. Update uses.
3644 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3645 of offsettable_memref_p.
3646 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3647 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3649 2006-03-24 Jeff Law <law@redhat.com>
3651 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3652 around bug in immediate-use iterator.
3654 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3657 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3658 or __LITTLE_ENDIAN__.
3660 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3662 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3663 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3664 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3665 * config/sh/sh.opt (mdiv=): Amend description.
3666 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3667 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3668 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3669 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3670 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3671 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3672 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3673 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3674 TARGET_DIVIDE_CALL_FP.
3676 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3678 * haifa-sched.c (choose_ready): Fix type of the local variable.
3679 Move local variables. Add comment.
3680 (check_reg_live): Change signature. Make callable from debugger.
3681 * sched-int.h (check_reg_live): Update signature.
3682 * sched-ebb.c (check_reg_live): Update parameters.
3683 * sched-rgn.c (check_reg_live): Ditto.
3684 (region_head_or_leaf_p): Check pointer before dereferencing.
3685 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3686 before reload on optimization levels below 1.
3688 2006-03-23 Richard Henderson <rth@redhat.com>
3690 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3694 * config/alpha/predicates.md (local_symbolic_operand): Reject
3697 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3700 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3701 expressions which have overflowed constants.
3703 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3705 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3707 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3709 * cfgloopmanip.c (create_loop_notes): Removed.
3710 * final.c (final_scan_insn): Do not handle loop notes.
3711 * jump.c (squeeze_notes): Ditto.
3712 * cfglayout.c (skip_insns_after_block,
3713 duplicate_insn_chain): Ditto.
3714 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3716 * cfgloop.h (create_loop_notes): Declaration removed.
3718 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3720 * varasm.c (output_constant_pool): Restore fnname and fndecl
3722 (assemble_start_function): Adjust call accordingly.
3723 (assemble_end_function): Likewise.
3725 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3728 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3731 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3733 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3736 * system.h (ICE_EXIT_CODE): New macro.
3737 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3738 (diagnostic_action_after_output): Likewise.
3739 * gcc.c (fatal_ice): New function.
3740 (execute): Use it instead of fatal.
3741 (fancy_abort): Likewise.
3742 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3744 2006-03-22 Jeff Law <law@redhat.com>
3746 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3747 iv_analyze_result returning false.
3749 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3751 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3753 2006-03-22 Richard Henderson <rth@redhat.com>
3756 * except.c (duplicate_eh_regions_0): New.
3757 (duplicate_eh_region_1): Duplicate the children of the node as
3758 well as the node itself. Link them up properly.
3759 (duplicate_eh_region_2): Merge into ...
3760 (duplicate_eh_regions): ... here. Take copy_region argument, and
3761 copy only a sub-tree if asked. Simplify copying and fixup.
3762 (eh_region_outer_p): New.
3763 * except.h (duplicate_eh_regions): Update decl.
3764 (eh_region_outer_p): Declare.
3765 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3766 (lower_omp_master): Likewise.
3767 (lower_omp_ordered): Likewise.
3768 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3769 (move_stmt_r): Use it to remap labels. Handle recursion vs
3770 remap_decls_p properly.
3771 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3772 (find_outermost_region_in_block): New.
3773 (new_label_mapper): New.
3774 (move_sese_region_to_fn): Copy eh information to the new function
3776 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3778 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3781 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3783 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3784 into shared libraries.
3786 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3788 * doc/md.texi: Refer to i386/constraints.md instead of
3790 * config/i386/constraints.md: New file, extracted from...
3791 * config/i386/predicates.md: ...here.
3792 * config/i386/i386.md: Include constraints.md.
3794 2006-03-21 Jason Merrill <jason@redhat.com>
3796 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3799 * expr.c (init_block_move_fn): Force default visibility.
3800 (init_block_clear_fn): Likewise.
3801 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3802 * targhooks.c (default_external_stack_protect_fail): Likewise.
3804 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3806 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3807 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3808 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3809 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3810 (loadgp): Use mips_current_loadgp_style.
3811 (loadgp_noshared): New pattern.
3812 (sibcall_internal): Use MIPS_CALL.
3813 (sibcall_value_internal): Likewise.
3814 (sibcall_value_multiple_internal): Likewise.
3815 (call_internal): Likewise.
3816 (call_value_internal): Likewise.
3817 (call_value_multiple_internal): Likewise.
3818 (call_split): Use MIPS_CALL and add an 'S' constraint.
3819 (call_value_split): Likewise.
3820 (call_value_multiple_split): Likewise.
3821 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3822 (-mshared): New option.
3823 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3824 (mips_current_loadgp_style): Declare.
3825 * config/mips/mips.c (mips_classify_symbol): Avoid using
3826 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3827 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3828 TARGET_ABSOLUTE_ABICALLS.
3829 (override_options): Adjust comments. Improve the warning that is
3830 issued when -mabicalls and -G are used together.
3831 (mips_file_start): Remove comment.
3832 (mips_current_loadgp_style): New function.
3833 (mips_gnu_local_gp): New variable.
3834 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3836 (mips_output_function_prologue): Use mips_current_laodgp_style.
3837 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3838 the cprestore instruction.
3839 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3840 live for TARGET_ABSOLUTE_ABICALLS.
3841 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3842 (ASM_SPEC): Pass down -mshared and -mno-shared.
3843 (MIPS_CALL): New macro.
3844 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3846 * doc/invoke.texi (-mabicalls): Update documentation.
3847 (-mshared): Document.
3849 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3851 * config/ia64/unwind-hpux.c: New file.
3852 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3854 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3857 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3859 2006-03-21 Jeff Law <law@redhat.com>
3861 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3862 type conversions of a VR_VARYING source to a wider type.
3864 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3866 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3867 tm_file on Solaris 10 and later.
3868 (sparc64-*-solaris2*): Likewise.
3869 (sparc-*-solaris2*): Likewise.
3870 * config/sol26.h: Rename to config/sol2-6.h.
3871 * config/sol2-10.h: New file.
3873 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3876 * tree-ssa-pre.c (create_component_ref_by_pieces):
3879 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3882 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3883 return it immediately.
3885 2006-03-21 Michael Matz <matz@suse.de>
3887 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3889 (remove_arc, add_arc): Update num_out_arcs member.
3890 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3892 (cache_presence): New function.
3893 (compare_states_for_equiv): New function.
3894 (state_is_differed): Don't take number of outargs, adjust callers.
3895 Use new invariant for speeding up.
3896 (init_equiv_class): Create initial classes based on sorted
3898 (partition_equiv_class): Don't track out_arcs_num.
3899 (evaluate_equiv_classes): Call cache_presence on all states and
3902 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3904 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3905 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3906 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3907 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3909 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3910 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3911 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3912 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3913 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3915 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3916 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3917 (REGNO_REG_CLASS): ARGP is in PREGS.
3918 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3920 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3921 to deal with those addresses.
3922 * addresses.h: New file.
3923 * caller-save.c: Include "addresses.h".
3924 (init_caller_save): Use new base_reg_class function.
3925 * rtl-factoring.c: Include "addresses.h".
3926 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3927 * recog.c: Include "addresses.h".
3928 (preprocess_constraints): Use new base_reg_class function.
3929 * regrename.c: Include "addresses.h".
3930 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3931 functions. Keep track of a new var INDEX_CODE to compute valid
3933 (replace_oldest_value_addr): Likewise.
3934 (replace_oldest_value_mem): Use base_reg_class.
3935 * reload.c: Include "addresses.h".
3936 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3937 (find_reloads): Use new base_reg_class function.
3938 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3939 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3940 all callers and prototype changed.
3941 * reload1.c: Include "addresses.h".
3942 (maybe_fix_stack_asms): Use base_reg_class.
3943 * regclass.c: Include "addresses.h".
3944 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3945 (init_reg_autoinc): Use new base_reg_class function.
3946 (record_reg_classes): Likewise.
3947 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3948 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3949 Use new args to compute necessary class.
3951 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3952 regrename.o, rtl-factoring.o): Update dependencies.
3953 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3954 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3955 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3956 REG_OK_FOR_INDEX_P): Delete documentation.
3958 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3960 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3961 from V7 to V9 for Solaris 7 and above.
3963 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3965 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3966 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3967 argument pointers may not alias any other storage.
3968 * common.opt: Define option -fargument-noalias-anything.
3969 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3970 alias semantics is specified by flag_argument_noalias > 2.
3972 2006-03-20 Jeff Law <law@redhat.com>
3974 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3975 (pass_phi_only_cprop): Declare.
3976 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3978 * tree-ssa-dom.c (degenerate_phi_result): New function.
3979 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3980 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3981 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3982 (eliminate_degenerate_phis): Likewise.
3983 (pass_phi_only_cprop): New pass descriptor.
3984 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3985 support code. Callers updated.
3986 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3987 (store_copy_prop): Likewise.
3988 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3990 2006-03-20 Jason Merrill <jason@redhat.com>
3993 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3994 (push_visibility, pop_visibility): Likewise.
3995 * c-pragma.h: Declare them.
3997 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3999 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4001 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4002 parameter and use get_ebb_head_tail.
4003 (sh_md_init_global): Adjust uses of find_regmode_weight.
4005 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4007 * function.h (struct function) <x_tail_recursion_reentry>:
4008 Rename to x_stack_check_probe_note.
4009 (tail_recursion_reentry): Rename to stack_check_probe_note.
4010 * function.c: Replace tail_recursion_reentry with
4011 stack_check_probe_note everywhere.
4012 (expand_function_start): Only emit a note for
4013 stack_check_probe_note with -fstack-protect.
4014 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4016 * emit-rtl.c (remove_unnecessary_notes): Remove.
4017 (pass_remove_unnecessary_notes): Remove.
4018 * rtl.h (remove_unnecessary_notes): Remove prototype.
4019 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4020 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4021 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4023 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4026 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4027 (valid_in_set): Handle ARRAY_REF.
4028 Change "if min_variant or VH" to asserts.
4029 (create_component_ref_by_pieces): Handle ARRAY_REF.
4030 (create_expression_by_pieces): Likewise.
4031 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4033 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4035 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4036 is operand of switch, not str[0].
4038 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4040 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4041 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4043 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4045 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4046 end of insn_extra_address_constraint declaration.
4048 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4050 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4051 (no-sum-in-toc): Same.
4052 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4054 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4055 NO_FP_IN_TOC for -fPIC instead of mask.
4057 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4058 (BOOT_LDFLAGS): Delete.
4060 * config/rs6000/t-aix52: Same.
4062 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4063 (stmsi[345678]_power): New.
4065 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4067 * config/ia64/ia64.opt: Add empty line to end of file.
4069 2006-03-17 Richard Guenther <rguenther@suse.de>
4072 * builtins.c (get_pointer_alignment): For component style references
4073 adjust alignment to the component type alignment. Make sure
4074 to adjust alignment for component access of constants.
4076 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4078 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4081 2006-03-17 Paul Brook <paul@codesourcery.com>
4083 * doc/install.texi: Docuemnt --with-mode.
4084 * config.gcc: Add --with-mode for arm*-*-*.
4085 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4087 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4089 * sh.c (max_labelno_before_reorg): New variable.
4090 (sh_reorg): Initialize it.
4091 (find_barrier): Check max_labelno_before_reorg before using
4092 label_to_alignment. Take length of explicit alignment insns
4093 into account. When seeing a UNSPECV_CONST_END, return it.
4095 * sh.c (fixup_mova): Set mode of affected label to QImode.
4096 (untangle_mova): New function.
4097 (find_barrier): Use it. Check mode of label before decrementing
4099 (sh_reorg): Likewise.
4100 Set mode of all insns back to VOIDmode.
4102 * sh.c (MOVA_LABELREF): New macro.
4103 (mova_p, fixup_mova, sh_reorg): Use it.
4104 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4105 ADDR_DIFF_VEC matches mova.
4107 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4109 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4110 with ATTRIBUTE_UNUSED.
4112 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4114 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4115 pointer, instead of assuming it is possible to derive the
4116 correct args size from a call insn.
4118 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4120 * rtl.h (CONST_INT_P): Define.
4121 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4122 instead of GET_CODE(x) == CONST_INT.
4123 (vax_rtx_costs): Likewise.
4124 (vax_output_int_move): Likewise.
4125 (vax_output_int_add): Likewise.
4126 (legitimate_constant_address_p): Likewise.
4127 (index_term_p): Likewise.
4128 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4129 * config/vax/vax.md (and<mode>3): Likewise.
4130 (ashrsi3): Likewise.
4132 (movstricthi): Likewise.
4133 (movstrictqi): Likewise.
4134 (rotrsi3): Likewise.
4135 (five unnamed insns): Likewise.
4137 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4139 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4140 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4141 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4142 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4143 Pass to ASM_OUTPUT_DWARF_OFFSET.
4144 * dwarf2out.c (debug_frame_section): New.
4145 (output_call_frame_info): Use debug_frame_section. Pass it to
4146 dw2_asm_output_offset.
4147 (output_die): Pass appropriate section to dw2_asm_output_offset.
4148 (output_compilation_unit_header): Likewise.
4149 (output_pubnames): Likewise.
4150 (output_aranges): Likewise.
4151 (enum dw_val_class): Break dw_val_class_lbl_offset into
4152 dw_val_class_lineptr and dw_val_class_macptr.
4153 (add_AT_lbl_offset): Delete.
4154 (add_AT_lineptr): New.
4155 (add_AT_macptr): New.
4156 (AT_lbl): Expect a lineptr or macptr.
4157 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4158 (attr_checksum): Likewise.
4159 (same_dw_val_p): Likewise.
4160 (size_of_die): Likewise.
4161 (value_format): Likewise.
4162 (output_die): Likewise.
4163 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4165 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4166 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4167 * config/darwin-protos.h (darwin_file_start): New.
4168 (darwin_asm_output_dwarf_offset): New.
4169 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4170 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4172 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4173 if not EH section; simplify.
4174 (darwin_file_start): New.
4175 (darwin_asm_output_dwarf_offset): New.
4176 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4178 (DEBUG_INFO_SECTION): Likewise.
4179 (DEBUG_ABBREV_SECTION): Likewise.
4180 (DEBUG_ARANGES_SECTION): Likewise.
4181 (DEBUG_MACINFO_SECTION): Likewise.
4182 (DEBUG_LINE_SECTION): Likewise.
4183 (DEBUG_LOC_SECTION): Likewise.
4184 (DEBUG_PUBNAMES_SECTION): Likewise.
4185 (DEBUG_STR_SECTION): Likewise.
4186 (DEBUG_RANGES_SECTION): Likewise.
4187 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4188 (ASM_OUTPUT_DWARF_OFFSET): New.
4190 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4192 * config.gcc (tm_defines): Always add to previous value rather
4195 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4197 * config/mips/predicates.md (splittable_const_int_operand): New,
4198 split from move_operand.
4199 (splittable_symbolic_operand): New.
4200 (move_operand): Add commentary. Use splittable_const_int_operand.
4201 Inline mips_atomic_symbolic_constant_p.
4202 * config/mips/mips.md: Add combine splitters for handling moves
4203 of splittable_const_int_operands and splittable_symbolic_operands.
4204 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4205 (mips_split_symbol): Declare.
4206 (mips_move_integer): Declare.
4207 * config/mips/mips.c (mips_split_p): Make global.
4208 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4209 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4210 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4211 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4212 (mips_offset_within_object_p): Handle block symbols.
4213 (mips_atomic_symbolic_constant_p): Delete.
4214 (mips_cannot_force_const_mem): Return false for constants that
4215 mips_legitimize_move can handle.
4216 (mips_use_blocks_for_constant_p): New function.
4217 (mips_split_symbol): Make global.
4218 (mips_move_integer): Likewise. Add a temporary register argument.
4219 (mips_legitimize_const_move): Use splittable_const_int_operand and
4220 splittable_symbolic_operand.
4221 (mips_use_anchors_for_symbol_p): New function.
4222 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4223 (mips_split_p): Declare.
4225 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4227 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4228 (mips*-*-linux*): Likewise.
4230 2006-03-16 Roger Sayle <roger@eyesopen.com>
4231 Daniel Speyer <dspeyer@wam.umd.edu>
4234 * tree-dump.c (dump_real): New function.
4235 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4236 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4237 (tree-dump.o): Add $(REAL_H) to the dependencies.
4239 2006-03-16 Roger Sayle <roger@eyesopen.com>
4242 * real.c (real_from_string): If the mantissa is zero, don't bother
4243 parsing the exponent as the result should always be zero.
4245 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4247 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4249 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4251 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4252 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4253 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4254 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4255 ia64_sched_finish_global): New static functions to implement
4256 hooks from gcc_target.sched.
4257 (spec_check_no, max_uid, pending_data_specs): New static variables.
4258 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4259 ia64_spec_check_src_p): New static functions.
4260 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4261 (TARGET_SCHED_ADJUST_COST): Removed.
4262 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4263 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4264 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4265 TARGET_SCHED_GEN_CHECK,
4266 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4267 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4268 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4269 Fixed to handle speculation checks.
4270 (rtx_needs_barrier): Fixed to handle speculative loads and
4272 (ia64_variable_issue): Added code to count speculative loads and their
4274 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4276 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4278 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4280 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4281 (ia64_reorg): Reset stops_p to NULL after it is freed.
4282 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4283 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4284 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4286 (data_speculative, control_speculative, check_load): New attributes.
4287 (mov<mode>_advanced, mov<mode>_speculative,
4288 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4289 zero_extend<mode>di2_speculative,
4290 zero_extend<mode>di2_speculative_advanced): New patterns for
4291 data and control speculative loads.
4292 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4294 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4295 New pattern for data and control speculation checks.
4296 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4297 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4298 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4299 Auxiliary definitions for the patterns.
4300 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4301 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4303 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4305 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4306 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4307 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4308 New resource constraints.
4309 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4311 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4312 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4313 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4314 msched-in-control-spec, msched-ldc, msched-control-ldc,
4315 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4316 msched-prefer-non-control-spec-insns,
4317 msched-count-spec-in-critical-path): New flags to tune speculative
4319 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4320 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4321 msched-in-control-spec, msched-ldc, msched-control-ldc,
4322 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4323 msched-prefer-non-control-spec-insns,
4324 msched-count-spec-in-critical-path): Document new flags.
4326 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4328 * target.h (struct spec_info_def): New opaque declaration.
4329 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4330 speculate_insn, needs_block_p, gen_check,
4331 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4332 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4333 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4334 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4335 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4336 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4338 (TARGET_SCHED): Use new macros.
4339 * rtl.h (copy_DEPS_LIST_list): New prototype.
4340 * sched-int.h (struct sched_info): Change signature of new_ready field,
4341 adjust all initializations. New fields: add_remove_insn,
4342 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4343 region_head_or_leaf_p.
4344 (struct spec_info_def): New structure declaration.
4345 (spec_info_t): New typedef.
4346 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4347 recovery_block, orig_pat.
4348 (glat_start, glat_end): New variables declaraions.
4349 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4351 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4352 DETACH_LIFE_INFO, USE_GLAT.
4353 (enum SPEC_SCHED_FLAGS): New enumeration.
4354 (NOTE_NOTE_BB_P): New macro.
4355 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4356 attach_life_info, debug_spec_status, check_reg_live): New functions.
4357 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4358 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4360 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4361 * ddg.c (get_block_head_tail): Adjust all uses.
4362 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4363 (sms_sched_info): Initialize new fields.
4364 (contributes_to_priority): Removed.
4365 * haifa-sched.c (params.h): New include.
4366 (get_block_head_tail): Adjust all uses.
4367 (ISSUE_POINTS): New macro.
4368 (glat_start, glat_end): New global variables.
4369 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4370 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4371 old_last_basic_block, before_recovery, current_sched_info_var,
4372 rgn_n_insns, luid): New static variables.
4373 (insn_cost1): New function. Move logic from insn_cost to here.
4374 (find_insn_reg_weight1): New function. Move logic from
4375 find_insn_reg_weight to here.
4376 (reemit_notes, move_insn, max_issue): Change signature.
4377 (move_insn1): Removed.
4378 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4379 extend_bb): New static functions to support extension of scheduler's
4381 (generate_recovery_code, process_insn_depend_be_in_spec,
4382 begin_speculative_block, add_to_speculative_block,
4383 init_before_recovery, create_recovery_block, create_check_block_twin,
4384 fix_recovery_deps): New static functions to support
4385 generation of recovery code.
4386 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4387 restore_bb_notes, move_block_after_check, move_succs): New static
4388 functions to support ebb scheduling.
4389 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4390 functions to support handling of register live information.
4391 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4392 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4393 add_jump_dependencies): New static functions.
4394 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4395 consistancy checking.
4396 (debug_spec_status): New function to call from debugger.
4397 (priority): Added code to handle speculation checks.
4398 (rank_for_schedule): Added code to distinguish speculative instructions.
4399 (schedule_insn): Added code to handle speculation checks.
4400 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4401 Fixed to handle ebbs.
4402 (move_insn): Added code to handle ebb scheduling.
4403 (max_issue): Added code to use ISSUE_POINTS of instructions.
4404 (choose_ready): Added code to choose between speculative and
4405 non-speculative instructions.
4406 (schedule_block): Added code to handle ebb scheduling and scheduling of
4407 speculative instructions.
4408 (sched_init): Initialize new variables.
4409 (sched_finish): Free new variables. Print statistics.
4410 (try_ready): Added code to handle speculative instructions.
4411 * lists.c (copy_DEPS_LIST_list): New function.
4412 * sched-deps.c (extend_dependency_caches): New function. Move logic
4413 from create_dependency_caches to here.
4414 (get_dep_weak, ds_merge): Make global.
4415 * genattr.c (main): Code to output prototype for
4416 dfa_clear_single_insn_cache.
4417 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4418 (output_dfa_clean_insn_cache_func): Code to output
4419 dfa_clear_single_insn_cache function.
4420 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4422 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4424 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4425 New static variables.
4426 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4427 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4429 (ebb_sched_info): Initialize new fields.
4430 (get_block_head_tail): Adjust all uses.
4431 (compute_jump_reg_dependencies): Fixed to use glat_start.
4432 (schedule_ebb): Code to remove unreachable last block.
4433 (schedule_ebbs): Added code to update register live information.
4434 * sched-rgn.c (region_sched_info): Initialize new fields.
4435 (get_block_head_tail): Adjust all uses.
4436 (last_was_jump): Removed. Adjust users.
4437 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4438 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4439 Implement new hooks.
4440 (check_dead_notes1): New static function.
4441 (struct region): New fields: dont_calc_deps, has_real_ebb.
4442 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4443 (BB_TO_BLOCK): Fixed to handle EBBs.
4444 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4445 (ebb_head): New static variable.
4446 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4447 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4449 (compute_dom_prob_ps): New assertion.
4450 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4451 global_live_at_start.
4452 (init_ready_list): New assertions.
4453 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4454 (new_ready): Add support for BEGIN_CONTROL speculation.
4455 (schedule_insns): Fixed code that updates register live information
4457 (schedule_region): Fixed to handle EBBs.
4458 (init_regions): Use extend_regions and check_dead_notes1.
4459 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4460 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4461 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4462 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4463 TARGET_SCHED_GEN_CHECK,
4464 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4465 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4466 * doc/invoke.texi (max-sched-insn-conflict-delay,
4467 sched-spec-prob-cutoff): Document.
4469 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4471 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4472 inter_tick, queue_index.
4473 (struct sched_info): Change signature of init_ready_list field.
4474 Adjust all initializations.
4475 (RESOLVED_DEPS): New access macro.
4476 (ready_add): Remove prototype.
4477 (try_ready): Add prototype.
4478 * sched-rgn.c (init_ready_list): Use try_ready.
4479 (schedule_region): Initialize
4480 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4481 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4482 (init_ready_list): Use try_ready.
4483 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4484 * lists.c (remove_list_elem): Remove `static'.
4485 (remove_free_INSN_LIST_elem): New function.
4486 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4487 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4488 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4490 (readyp): New variable.
4491 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4492 change_queue_index, resolve_dep): New static functions.
4493 (try_ready): New function. Adjust callers in sched-rgn.c and
4494 sched-ebb.c to use it instead of ready_add.
4495 (clock_var): Move at the begining of file.
4496 (rank_for_schedule): Fix typo.
4497 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4498 (ready_lastpos): Enforce assertion.
4499 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4501 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4502 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4503 (queue_to_ready): Use free_INSN_LIST_list.
4504 (early_queue_to_ready): Fix typo.
4505 (schedule_block): Init readyp. Move init_ready_list call after the
4506 initialization of clock_var. Fix error in rejecting insn by
4507 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4508 that previously corrected INSN_TICKs. Add code for handling
4510 (set_priorities): Fix typo.
4511 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4512 Clarify comment and code that keeps current_sched_info->next_tail
4515 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4517 * sched-rgn.c (extend_rgns): New static function.
4518 (find_rgns): Use it.
4519 (gather_region_statistics, print_region_statistics): New static
4521 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4522 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4524 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4525 Andrey Belevantsev <abel@ispras.ru>
4527 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4528 * lists.c (unused_deps_list): New variable.
4529 (free_list): Add assertions to verify the proper distinguishing
4530 between INSN_LISTs and DEPS_LISTs.
4531 (find_list_elem, remove_list_elem, remove_list_node): New static
4533 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4534 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4535 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4536 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4538 (free_INSN_LIST_node): Likewise.
4539 * modulo-sched.c (current_sched_info): Initialize flags field.
4540 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4541 * rtl.def (DEPS_LIST): Define.
4542 * rtl.h: Declare new functions from lists.c.
4543 * sched-deps.c (spec_dependency_cache): New static variable.
4544 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4545 (add_dependence): Change return type to void. Move the logic to ...
4546 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4547 (delete_all_dependences): Add comment about forward_dependency_cache.
4548 Handle spec_dependency_cache. Handle DEPS_LISTs.
4549 (fixup_sched_groups): Clarify the change of priority of output
4550 and anti dependencies.
4551 (sched_analyze_2): Adjust add_dependence calls to create data
4552 speculative dependence.
4553 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4554 Adjust all callers. Handle DEPS_LISTS.
4555 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4556 presence of speculation.
4557 (init_dependency_caches, free_dependency_caches):
4558 Handle spec_dependency_cache.
4559 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4560 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4561 New static functions.
4562 (add_or_update_back_dep, add_or_update_back_forw_dep,
4563 add_back_forw_dep, delete_back_forw_dep): New functions.
4564 * sched-int.h (ds_t, dw_t): New typedefs.
4565 (struct sched_info): Add new field flags.
4566 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4567 Prototype new sched-deps.c functions.
4568 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4569 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4570 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4571 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4572 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4573 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4575 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4577 * sched-rgn.c (current_sched_info): Initialize flags field.
4578 (schedule_insns): Initialize current_sched_info before the sched_init
4580 * sched-ebb.c (current_sched_info): Initialize flags field.
4581 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4582 Call add_or_update_back_dep instead of add_dependence.
4583 Create control speculative dependencies.
4584 (schedule_insns): Initialize current_sched_info before the sched_init
4587 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4589 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4591 (sh_fallback_frame_state): Likewise.
4593 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4595 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4596 Do switch on default_use_cxa_atexit.
4597 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4598 * config/darwin-crt3.o: New.
4599 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4600 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4601 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4603 * config/rs6000/t-darwin: Move crt2.o building to here.
4604 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4605 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4608 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4610 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4611 from '! xxx' to '!xxx' for coding-style conformance.
4612 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4613 (EXTRA_CONSTRAINT): Likewise.
4614 * config/vax/vax.md (four unnamed insns): Likewise.
4616 2006-03-15 Paul Brook <paul@codesourcery.com>
4618 * config/arm/arm.c (minipool_pad): New.
4619 (add_minipool_forward_ref): Include pool alignment padding in address
4621 (push_minipool_fix): Set minipool_pad.
4622 (minipool_pad): Ditto.
4624 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4626 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4627 instead of GET_CODE() == MEM and REG_P() instead of
4629 (print_operand_address): Likewise.
4630 (vax_address_cost): Likewise.
4631 (vax_rtx_costs): Likewise.
4632 (vax_notice_update_cc): Likewise.
4633 (vax_output_int_add): Likewise.
4634 (INDEX_REGISTER_P): Likewise.
4635 (BASE_REGISTER_P): Likewise.
4636 (nonindexed_address_p): Likewise.
4637 (vax_mode_dependent_address_p): Likewise.
4638 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4639 (PRINT_OPERAND): Likewise.
4640 * config/vax/vax.md (ashlsi3): Likewise.
4641 (ashlsi3): Likewise.
4642 (some more unnamed insns): Likewise.
4644 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4646 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4647 iterator-style macro.
4648 (mark_control_dependent_edges_necessary): Update the use of
4649 EXECUTE_IF_CONTROL_DEPENDENT.
4651 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4653 * config/sh/predicates.md (cache_address_operand): Special.
4654 (ua_address_operand): Likewise.
4656 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4658 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4660 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4662 2006-03-15 Andreas Schwab <schwab@suse.de>
4664 * gensupport.c (identify_predicable_attribute): Don't free p_false
4665 when it is still in use.
4667 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4669 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4670 the default setting here.
4672 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4674 * tree-pass.h (pass_cfg): Remove.
4675 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4676 * passes.c (pass_cfg): Don't run it.
4678 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4680 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4681 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4683 (stack_regs_mentioned): Update the uses of
4684 stack_regs_mentioned_data. Don't access the array beyond its
4686 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4687 Don't include gt-reg-stack.h.
4689 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4690 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4692 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4695 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4698 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4700 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4702 2006-03-14 Richard Guenther <rguenther@suse.de>
4704 PR tree-optimization/26672
4705 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4708 2006-03-14 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/26667
4711 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4712 node for the callees. Always allow inlining if it will shrink
4715 2006-03-14 Richard Guenther <rguenther@suse.de>
4718 * builtins.c (get_pointer_alignment): Prefer alignment
4719 information from decls over that from types.
4721 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4724 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4726 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4728 * config/rs6000/rs6000.opt (mdlmzb): New option.
4729 (msched-prolog, msched-epilog): Use Var not Mask.
4730 * doc/invoke.texi (-mdlmzb): Document.
4731 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4733 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4734 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4736 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4738 PR rtl-optimization/25739
4739 * bt-load.c (augment_live_range): Free tos pointer.
4741 * gensupport.c (identify_predicable_attribute): Free
4743 * gcov.c (create_file_names): Free name pointer.
4745 2006-03-13 Roger Sayle <roger@eyesopen.com>
4748 * stmt.c (emit_case_nodes): Handle the case where the index is a
4749 CONST_INT, where the comparison mode is specified by the index type.
4751 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4753 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4756 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4758 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4759 (*branch_fp_inverted): Likewise.
4761 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4764 * omp-low.c (expand_omp_for_generic): Mark istart0
4765 and iend0 as addressable.
4767 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4769 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4771 2006-03-13 Jeff Law <law@redhat.com>
4773 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4774 virtual operands are interesting.
4775 (vrp_visit_stmt): Corresponding changes.
4777 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4779 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4781 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4782 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4783 * config/bfin/crti.S: Use it instead of __PIC__.
4784 * config/bfin/crtn.S: Likewise.
4786 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4787 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4789 Lose 'G' modifier for call operand.
4790 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4791 recognize 'G' modifier.
4793 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4796 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4797 * stmt.c (expand_case): Likewise.
4799 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4801 PR rtl-optimization/26254
4802 * loop-invariant.c (seq_insns_valid_p): New function.
4803 (move_invariant_reg): Only emit new code if it is valid.
4805 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4807 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4809 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4810 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4811 (commit_one_edge_insertion): Do not look for loop notes.
4813 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4815 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4816 flag_test_coverage out of loop.
4818 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4820 * final.c (shorten_branches): Remove outdated comment, and turn
4821 the if branch that guards it to continue.
4823 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4825 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4826 * cfgloop.h (struct loop): Remove unused fields.
4828 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4830 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4831 (-dL, -fdump-rtl-loop2): Update the dump file names
4833 * doc/invoke.texi: Update dump file names.
4835 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4837 * predict.c (estimate_probability): Remove.
4838 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4839 * basic-block.h (estimate_probability): Remove prototype.
4840 * passes.c (finish_optimization_passes): Dump branch prediction or
4841 profiling heuristics to the .profile tree dump.
4842 (init_optimization_passes): Unqueue pass_branch_prob.
4844 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4846 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4848 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4849 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4851 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4853 * function.h (frame_offset_overflow): Declare.
4854 * function.c (frame_offset_overflow): New function.
4855 (assign_stack_local_1): Call it to detect that the offset overflows.
4856 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4858 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4860 * config/sh/sh.c: Include alloc-pool.h.
4861 (label_ref_list_pool): New alloc pool.
4862 (label_ref_list_t): New type for lists of labels.
4863 (struct pool_node): Make wend a label_ref_list_t.
4864 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4866 (dump_table): Likewise.
4867 (sh_reorg): Set up the alloc pool before using add_constant and
4868 dump_table, and destroy it when finishing.
4870 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4872 * config/mips/mips.c: Remove redundant comment.
4874 2006-03-10 Jason Merrill <jason@redhat.com>
4877 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4878 the target was declared 'register'.
4880 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4882 * genpreds.c (write_insn_constraint_len): Change definition of
4883 insn_constraint_len to return size_t to match the declaration.
4885 2006-03-10 DJ Delorie <dj@redhat.com>
4887 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4889 (m32c_expand_insv): Fix test for an AND mask.
4891 2006-03-10 Richard Guenther <rguenther@suse.de>
4894 * builtins.c (get_pointer_alignment): Handle component
4895 references for field alignment.
4897 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4899 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4900 when building with libgloss.
4901 (sh*elf): Implement --without-fp option.
4902 (sh64-superh-linux*): Don't multilib.
4904 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4906 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4908 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4910 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4911 Set it when one of the replacement functions returned true.
4912 Return TODO_cleanup_cfg if cfgchanged is true.
4913 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4915 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4917 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4918 instead of gen_lowpart.
4920 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4922 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4924 (mips_output_order_conditional_branch): Declare.
4925 * config/mips/mips.h (MIPS_BRANCH): New macro.
4926 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4927 for the comparison. Use gen_condjump.
4928 (mips_output_conditional_branch): Rework interface to take the
4929 asm templates for a direct branch and the inverse of a direct branch.
4930 (mips_output_order_conditional_branch): New function.
4931 (mips_builtin_branch_and_move): New function.
4932 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4933 branch condition. Use gen_single_cc as the condition for
4934 __builtin_mips_upper_* or __builtin_mips_lower_*.
4935 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4936 Use VOIDmode for the branch condition.
4937 * config/mips/predicates.md (order_operator): New predicate.
4938 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4939 (branch_fp): Rename to...
4940 (*branch_fp): ...this. Remove mode from comparison operator.
4941 Use new mips_output_conditional_branch interface.
4942 (branch_fp_inverted): Rename to...
4943 (*branch_fp_inverted): ...this and update as for *branch_fp.
4944 (*branch_zero<mode>): Rename to...
4945 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4946 Use mips_output_order_conditional_branch. Only accept ordered
4948 (*branch_zero<mode>_inverted): Rename to...
4949 (*branch_order<mode>_inverted): ...this and update as for
4950 *branch_order<mode>.
4951 (*branch_equality<mode>): Accept zero as the second operand to
4952 the equality operator. Use the new mips_output_conditional_branch
4954 (*branch_equality<mode>_inverted): Likewise.
4955 (condjump): New expander.
4956 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4958 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4959 (bc1any2t, bc1any2f): Likewise.
4960 (single_cc): New expander.
4961 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4963 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4965 * doc/md.texi: Update documentation of MIPS constraints.
4966 * config/mips/constraints.md: New file.
4967 * config/mips/mips.md: Include it.
4968 * config/mips/mips.c (mips_char_to_class): Delete.
4969 (override_options): Don't initialize mips_char_to_class.
4970 * config/mips/mips.h (mips_char_to_class): Delete.
4971 (REG_CLASS_FROM_LETTER): Delete.
4972 (CONST_OK_FOR_LETTER_P): Delete.
4973 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4974 (EXTRA_CONSTRAINT_Y): Delete.
4975 (EXTRA_CONSTRAINT_STR): Delete.
4976 (CONSTRAINT_LEN): Delete.
4977 (EXTRA_MEMORY_CONSTRAINT): Delete.
4979 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4981 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4982 original fn's eh regions.
4984 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4986 * fold-const.c (build_range_check): Make sure to use a valid type to
4987 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4990 (range_predecessor): New static function.
4991 (range_successor): Likewise.
4992 (merge_ranges): Use them to compute predecessors and successors of
4995 2006-03-09 Roger Sayle <roger@eyesopen.com>
4998 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4999 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5001 2006-03-08 DJ Delorie <dj@redhat.com>
5003 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5004 (addpsi3): Expand to include memory operands. Remove
5005 reload-specific splits.
5006 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5007 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5008 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5009 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5010 (shift1_qi, shift1_hi, insv): New.
5011 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5012 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5013 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5015 * config/m32c/m32c-protos.h: Update as needed.
5016 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5017 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5018 Fail for unrecognized R* constraints.
5019 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5020 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5021 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5023 (m32c_init_libfuncs): New.
5024 (m32c_legitimate_address_p): Add debug wrapper.
5025 (m32c_rtx_costs): New.
5026 (m32c_address_cost): New.
5027 (conversions): Add 'B' prefix.
5028 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5029 operands, or word regnames for QI operands. 'B' prints bit
5031 (m32c_expand_setmemhi): New.
5032 (m32c_expand_movmemhi): New.
5033 (m32c_expand_movstr): New.
5034 (m32c_expand_cmpstr): New.
5035 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5036 (m32c_expand_neg_mulpsi3): Handle non-ints.
5037 (m32c_cmp_flg_0): New.
5038 (m32c_expand_movcc): New.
5039 (m32c_expand_insv): New.
5040 (m32c_scc_pattern): New.
5041 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5042 a0/a1 out of SIregs.
5043 (STORE_FLAG_VALUE): New.
5044 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5047 * config/m32c/mov.md: Make constraints more liberal.
5048 (zero_extendqihi2): Optimize r0/r1 case.
5049 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5050 * config/m32c/predicates.md (m32c_any_operand): New.
5051 (m32c_nonimmediate_operand): New.
5052 (m32c_hl_operand): New.
5053 (m32c_r3_operand): New.
5056 (memsym_operand): New.
5057 (memimmed_operand): New.
5058 (a_qi_operand): New.
5059 (m32c_eqne_operator): New.
5060 (m32c_1bit8_operand): New.
5061 (m32c_1bit16_operand): New.
5062 (m32c_1mask8_operand): New.
5063 (m32c_1mask16_operand): New.
5064 * config/m32c/blkmov.md: New file.
5065 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5067 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5069 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5070 unsigned to fix signed/unsigned comparison issue in
5071 DWARF2_FRAME_REG_OUT.
5072 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5073 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5075 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5076 of ptr into the ENABLE_CHECKING section.
5078 2006-03-08 Jeff Law <law@redhat.com>
5080 * tree-vrp.c (infer_value_range): Only count pointer uses
5081 and dereferences if -fdelete-null-pointer-checks is enabled.
5083 * tree-vrp.c (find_assert_locations): Infer value ranges for
5084 single use pointers, but do not create ASSERT_EXPRs for them.
5085 When a non-null range is inferred for a pointer, backwards
5086 propagate that range to other equivalent pointers through the
5089 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5092 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5093 language hook targets.
5094 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5095 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5096 if language hook targets were missing.
5098 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5100 * tree-ssa-opfinalize.h: Removed.
5101 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5103 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5104 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5105 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5106 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5107 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5108 finalize_ssa_v_must_def_ops): New.
5110 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5112 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5115 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5117 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5119 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5120 addresses with offsets; reorganize.
5122 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5123 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5124 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5126 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5129 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5131 2006-03-08 Ben Elliston <bje@au.ibm.com>
5133 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5135 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5138 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5141 2006-03-07 Richard Guenther <rguenther@suse.de>
5143 PR tree-optimization/26587
5144 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5146 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5148 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5150 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5152 * hooks.c (hook_bool_mode_rtx_true): New function.
5153 * hooks.h (hook_bool_mode_rtx_true): Declare.
5154 * toplev.c (compile_file): Call output_shared_constant_pool.
5155 * varasm.c (shared_constant_pool): New variable.
5156 (assemble_start_function, assemble_end_function): Remove arguments
5157 from call to output_constant_pool.
5158 (create_constant_pool): New function, split out from...
5159 (init_varasm_status): ...here.
5160 (force_const_mem): Choose between the shared and per-function constant
5161 pools. Set current_function_uses_const_pool when reusing old entries
5162 as well as when creating new ones.
5163 (mark_constant): Ignore data argument.
5164 (mark_constants): Remove pool argument.
5165 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5166 to decide whether the function uses a constant pool.
5167 (output_constant_pool_contents): New function, split out from...
5168 (output_constant_pool): ...here.
5169 (output_shared_constant_pool): New function.
5170 (init_varasm_once): Initialize shared_constant_pool.
5171 * output.h (output_constant_pool): Delete.
5172 (output_shared_constant_pool): Declare.
5173 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5174 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5176 2006-03-06 Nick Clifton <nickc@redhat.com>
5178 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5179 flag_strength_reduce.
5181 2006-03-06 Ben Elliston <bje@au.ibm.com>
5183 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5184 x86_64-*-linux* configurations.
5186 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5187 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5189 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5191 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5193 * basic-block.h: Remove the extern for
5194 rediscover_loops_after_threading.
5196 * cfgloop.c (cancel_loop): Make it static.
5197 * cfgloop.h: Remove the prototype for cancel_loop.
5199 * flow.c (recompute_reg_usage): Make it static.
5200 * rtl.h: Remove the prototype for recompute_reg_usage.
5202 * function.c (use_return_register): Make it static.
5203 * function.h: Remove the prototype.
5205 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5207 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5209 * recog.h: Remove the prototype for
5210 validate_change_maybe_volatile.
5212 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5214 * rtlanal.c (replace_reg): Remove.
5215 * rtl.h: Remove the prototype for replace_reg.
5217 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5219 * regclass.c (reg_scan_update): Remove.
5220 (reg_scan_mark_refs): Remove the last argument.
5221 * rtl.h: Remove the prototype for reg_scan_update.
5223 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5225 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5226 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5227 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5228 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5229 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5230 loop-invariant.c, omp-low.c, opts.c, passes.c,
5231 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5232 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5233 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5234 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5235 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5236 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5240 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5241 * dwarf2out.h: Remove the prototype for
5242 dwarf2out_add_library_unit_info.
5244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5246 * tree.c (add_var_to_bind_expr): Remove.
5247 * tree.h: Remove the prototype for add_var_to_bind_expr.
5249 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5251 * regclass.c (n_non_fixed_regs): Remove.
5252 (init_reg_sets_1, globalize_reg): Remove all uses of
5254 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5256 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5258 * rtlanal.c (insns_safe_to_move_p): Remove.
5259 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5261 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5263 * expmed.c (expand_mult_add): Remove.
5264 * expr.h: Remove the prototype for expand_mult_add.
5266 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5268 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5269 and REG_SAVED_VAL_EXP constants.
5270 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5271 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5272 Handle regs stored by value.
5273 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5274 (execute_cfa_program): Handle DW_CFA_val_offset,
5275 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5276 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5277 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5278 (uw_install_context_1): Handle target regs stored by value.
5280 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5282 * tree-sra.c (tree_sra): Return todoflags;
5283 (generate_one_element): Set TODO_update_smt_usage if needed.
5284 (pass_sra): Remove TODO_update_smt_usage.
5285 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5287 (tree_ssa_forward_propagate_single_use_vars): Return
5288 TODO_update_smt_usage if we need to update SMT usage.
5289 (pass_forwprop): Remove TODO_update_smt_usage.
5291 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5293 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5294 (correct_use_link): Remove reference to get_stmt_operands.
5295 (update_stmt_operands): Likewise.
5296 (get_modify_expr_operands): New function factored out of
5297 parse_ssa_operands and get_expr_operands.
5298 Try to create V_MUST_DEFs for LHS by default.
5299 (get_expr_operands) <case MODIFY_EXPR>: Call
5300 get_modify_expr_operands.
5301 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5302 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5303 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5304 get_modify_expr_operands.
5306 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5308 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5309 * tree-flow.h: Remove the prototype for
5310 referenced_var_lookup_if_exists.
5312 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5314 PR rtl-optimization/26345
5316 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5318 2006-03-03 Roger Sayle <roger@eyesopen.com>
5320 PR tree-optimization/26524
5321 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5322 fold_convert to create a constant of the appropriate type.
5324 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5326 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5327 SYMBOL_REF_IN_BLOCK_P.
5328 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5329 of SYMBOL_FLAG_IN_BLOCK.
5330 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5331 instead of SYMBOL_REF_IN_BLOCK_P.
5332 * explow.c (use_anchored_address): Likewise.
5333 * rtl.c (rtx_size): Likewise.
5334 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5335 instead of SYMBOL_FLAG_IN_BLOCK.
5336 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5337 SYMBOL_REF_IN_BLOCK_P.
5338 (assemble_variable): Likewise.
5339 (output_constant_def_contents): Likewise.
5340 (output_constant_pool): Likewise.
5341 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5342 instead of SYMBOL_FLAG_IN_BLOCK.
5343 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5344 SYMBOL_REF_IN_BLOCK_P.
5345 (SYMBOL_REF_BLOCK): Likewise.
5346 (SYMBOL_REF_OFFSET): Likewise.
5347 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5348 SYMBOL_REF_IN_BLOCK_P.
5349 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5350 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5351 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5352 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5354 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5356 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5358 2006-03-02 Roger Sayle <roger@eyesopen.com>
5360 * simplify-rtx.c (simplify_unary_operation): When simplifying
5361 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5362 that we perform the right shift in the appropriate mode, and
5363 then extend or truncate the result to requested mode.
5365 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5367 * gengtype.c (main): Handle double_int type.
5368 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5369 * double-int.c: New file.
5370 * double-int.h: New file.
5371 * system.h: Include doubleint.h.
5372 * Makefile.in (SYSTEM_H): Include double-int.h.
5373 (double-int.o): Add.
5375 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5378 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5381 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5383 * tree-vrp.c (remove_range_assertions): Do not update statements
5386 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5388 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5390 * gcse.c (rest_of_handle_gcse): Ditto.
5391 * except.c (gate_handle_eh): Ditto.
5392 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5393 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5395 2006-03-02 Eric Christopher <echristo@apple.com>
5397 * config/i386/i386.c (machopic_output_stub): Add indirection to
5400 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5404 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5406 Sun Niagara specific optimizations.
5407 * config.gcc: Recognize niagara as target.
5408 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5409 (TARGET_CPU_niagara): Define.
5410 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5411 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5412 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5413 (ASM_CPU_SPEC): Likewise.
5414 (PROCESSOR_NIAGARA): New enum entry.
5415 (REGISTER_MOVE_COST): Handle Niagara.
5416 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5417 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5418 (sparc_override_options): Recognize "niagara", set appropriate
5419 default MASK_* values for it, and align functions to 32-bytes
5420 by default just like ULTRASPARC/ULTRASPARC3.
5421 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5422 (sparc64_initialize_trampoline): Likewise.
5423 (sparc_use_sched_lookahead): Use zero for niagara.
5424 (sparc_issue_rate): Use one for niagara.
5425 * config/sparc/niagara.md: New file.
5426 * config/sparc/sparc.md: Include it.
5427 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5428 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5429 when default cpu is niagara.
5430 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5431 (ASM_CPU_SPEC): Likewise.
5432 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5433 when default cpu is niagara.
5434 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5435 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5436 just like v9/ultrasparc/ultrasparc3.
5437 * doc/invoke.texi: Add documentation for "niagara" and improve
5438 existing documentation for ultrasparc variants.
5440 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5442 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5444 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5446 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5447 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5448 and say that only one is needed.
5449 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5450 * target.h (have_switchable_bss_sections): New hook.
5451 * explow.c (use_anchored_address): Check that the symbol is in a block.
5452 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5453 (bss_noswitch_section): New variables.
5454 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5455 (get_noswitch_section): New function.
5456 (get_block_for_section): Allow SECT to be null.
5457 (unlikely_text_section_p): Use SECTION_STYLE.
5458 (bss_initializer_p): New function.
5459 (get_variable_section): Move earlier in file. Take a new argument,
5460 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5461 Return one of the new *_sections in such cases.
5462 (get_block_for_decl): New function, extracting some logic from
5463 use_blocks_for_decl_p.
5464 (change_symbol_section): Remove in favor of...
5465 (change_symbol_block): ...this new function.
5466 (use_blocks_for_decl_p): Remove checks now performed by
5468 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5469 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5470 (emit_local, emit_bss, emit_common): ...these new functions.
5471 Return true if the alignment was honored.
5472 (emit_tls_common): New function.
5473 (asm_emit_uninitialised): Delete.
5474 (assemble_variable_noswitch): New function, split out from...
5475 (assemble_variable): ...here. Don't make decisions about common
5476 variables here. Globalize all public decls that go into non-common
5477 sections. Check whether SYMBOL_REF_BLOCK is null.
5478 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5479 (output_constant_pool): Likewise.
5480 (init_varasm_once): Initialize the new section variables.
5481 (have_global_bss_p): New function.
5482 (categorize_decl_for_section): Use bss_initializer_p.
5483 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5484 (place_block_symbol): Assert that the symbol must be in a block.
5485 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5486 (TARGET_INITIALIZER): Include it.
5487 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5488 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5489 (SECTION_MACH_DEP): Bump by two.
5490 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5491 (unnamed_section): Mention SECTION_UNNAMED in comment.
5492 (named_section): Likewise SECTION_NAMED.
5493 (noswitch_section_callback): New type.
5494 (noswitch_section): New structure.
5495 (section): Add a noswitch_section alternative.
5496 (SECTION_STYLE): New macro.
5497 (tls_comm_section, comm_section, lcomm_section): Declare.
5498 (bss_noswitch_section, have_global_bss_p): Declare.
5499 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5500 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5502 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5503 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5506 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5508 * tree-vrp.c (execute_vrp): Return value.
5509 * regrename.c (rest_of_handle_regrename): Ditto.
5510 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5511 * tree-complex.c (tree_lower_complex): Ditto.
5512 (tree_lower_complex_O0): Ditto.
5513 * tracer.c (rest_of_handle_tracer): Ditto.
5514 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5515 * postreload.c (rest_of_handle_postreload): Ditto.
5516 * tree-tailcall.c (execute_tail_recursion): Ditto.
5517 (execute_tail_calls): Ditto.
5518 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5519 * tree.h (init_function_for_compilation): Ditto.
5520 * ipa-cp.c (ipcp_driver): Ditto.
5521 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5522 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5523 * final.c (compute_alignments): Ditto.
5524 (rest_of_handle_final): Ditto.
5525 (rest_of_handle_shorten_branches): Ditto.
5526 (rest_of_clean_state): Ditto.
5527 * omp-low.c (execute_expand_omp): Ditto.
5528 (execute_lower_omp): Ditto.
5529 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5530 * ipa-reference.c (static_execute): Ditto.
5531 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5532 * reorg.c (rest_of_handle_delay_slots): Ditto.
5533 (rest_of_handle_machine_reorg): Ditto.
5534 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5535 * flow.c (recompute_reg_usage): Ditto.
5536 (rest_of_handle_remove_death_notes): Ditto.
5537 (rest_of_handle_life): Ditto.
5538 (rest_of_handle_flow2): Ditto.
5539 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5540 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5541 (do_ssa_store_ccp): Ditto.
5542 (execute_fold_all_builtins): Ditto.
5543 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5544 * modulo-sched.c (rest_of_handle_sms): Ditto.
5545 * ipa-pure-const.c (static_execute): Ditto.
5546 * cse.c (rest_of_handle_cse): Ditto.
5547 (rest_of_handle_cse2): Ditto.
5548 * web.c (rest_of_handle_web): Ditto.
5549 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5550 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5551 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5552 * tree-nrv.c (tree_nrv): Ditto.
5553 (execute_return_slot_opt): Ditto.
5554 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5555 (create_structure_vars): Ditto.
5556 * loop-init.c (rtl_loop_init): Ditto.
5557 (rtl_loop_done): Ditto.
5558 (rtl_move_loop_invariants): Ditto.
5559 (rtl_unswitch): Ditto.
5560 (rtl_unroll_and_peel_loops): Ditto.
5561 (rtl_doloop): Ditto.
5562 * gimple-low.c (lower_function_body): Ditto.
5563 (mark_used_blocks): Ditto.
5564 * tree-ssa-sink.c (execute_sink_code): Ditto.
5565 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5566 (cgraph_early_inlining): Ditto.
5567 * global.c (rest_of_handle_global_alloc): Ditto.
5568 * jump.c (cleanup_barriers): Ditto.
5569 (purge_line_number_notes): Ditto.
5570 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5571 (rest_of_handle_if_after_reload): Ditto.
5572 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5573 (tree_ssa_loop_im): Ditto.
5574 (tree_ssa_loop_unswitch): Ditto.
5575 (tree_vectorize): Ditto.
5576 (tree_linear_transform): Ditto.
5577 (tree_ssa_loop_ivcanon): Ditto.
5578 (tree_ssa_empty_loop): Ditto.
5579 (tree_ssa_loop_bounds): Ditto.
5580 (tree_complete_unroll): Ditto.
5581 (tree_ssa_loop_prefetch): Ditto.
5582 (tree_ssa_loop_ivopts): Ditto.
5583 (tree_ssa_loop_done): Ditto.
5584 * predict.c (tree_estimate_probability): Ditto.
5585 * recog.c (split_all_insns_noflow): Ditto.
5586 (rest_of_handle_peephole2): Ditto.
5587 (rest_of_handle_split_all_insns): Ditto.
5588 * tree-eh.c (lower_eh_constructs): Ditto.
5589 * regmove.c (rest_of_handle_regmove): Ditto.
5590 (rest_of_handle_stack_adjustments): Ditto.
5591 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5592 * function.c (instantiate_virtual_regs): Ditto.
5593 (init_function_for_compilation): Ditto.
5594 (rest_of_handle_check_leaf_regs): Ditto.
5595 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5596 (rest_of_handle_gcse): Ditto.
5597 * ipa-type-escape.c (type_escape_execute): Ditto.
5598 * alias.c (rest_of_handle_cfg): Ditto.
5599 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5600 * profile.c (rest_of_handle_branch_prob): Ditto.
5601 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5602 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5603 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5604 * tree-dfa.c (find_referenced_vars): Ditto.
5605 * except.c (set_nothrow_function_flags): Ditto.
5606 (convert_to_eh_region_ranges): Ditto.
5607 (rest_of_handle_eh): Ditto.
5608 * emit-rtl.c (unshare_all_rtl): Ditto.
5609 (remove_unnecessary_notes): Ditto.
5610 * except.h (set_nothrow_function_flags): Ditto.
5611 (convert_to_eh_region_ranges): Ditto.
5612 * cfgexpand.c (tree_expand_cfg): Ditto.
5613 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5614 * tree-ssa-pre.c (do_pre): Ditto.
5615 (execute_fre): Ditto.
5616 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5617 (rest_of_handle_jump2): Ditto.
5618 * tree-sra.c (tree_sra): Ditto.
5619 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5620 (execute_mudflap_function_decls): Ditto.
5621 * tree-ssa-copy.c (do_copy_prop): Ditto.
5622 (do_store_copy_prop): Ditto.
5623 * ipa-prop.h (ipcp_driver): Ditto.
5624 * cfglayout.c (insn_locators_initialize): Ditto.
5625 * tree-ssa-forwprop.c
5626 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5627 * cfglayout.h (insn_locators_initialize): Ditto.
5628 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5629 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5630 (execute_late_warn_uninitialized): Ditto.
5631 * rtl.h (cleanup_barriers): Ditto.
5632 (split_all_insns_noflow): Ditto.
5633 (purge_line_number_notes): Ditto.
5634 (unshare_all_rtl): Ditto.
5635 (remove_unnecessary_notes): Ditto.
5636 (recompute_reg_usage): Ditto.
5637 (variable_tracking_main): Ditto.
5638 * integrate.c (emit_initial_value_sets): Ditto.
5639 * integrate.h (emit_initial_value_sets): Ditto.
5640 * tree-optimize.c (execute_free_datastructures): Ditto
5641 (execute_free_cfg_annotations): Ditto.
5642 (execute_fixup_cfg): Ditto.
5643 (execute_cleanup_cfg_pre_ipa): Ditto.
5644 (execute_cleanup_cfg_post_optimizing): Ditto.
5645 (execute_init_datastructures): Ditto.
5646 * tree-object-size.c (compute_object_sizes): Ditto.
5647 * combine.c (rest_of_handle_combine): Ditto.
5648 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5649 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5650 (rest_of_handle_reorder_blocks): Ditto.
5651 (rest_of_handle_partition_blocks): Ditto.
5652 * var-tracking.c (variable_tracking_main): Ditto.
5653 * tree-profile.c (tree_profiling): Ditto.
5654 * tree-vect-generic.c (expand_vector_operations): Ditto.
5655 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5656 * sched-rgn.c (rest_of_handle_sched): Ditto.
5657 (rest_of_handle_sched2): Ditto.
5658 * basic-block.h (free_bb_insn): Ditto.
5659 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5660 * tree-cfg.c (execute_build_cfg): Ditto.
5661 (remove_useless_stmts): Ditto.
5662 (split_critical_edges): Ditto.
5663 (execute_warn_function_return): Ditto.
5664 (execute_warn_function_noreturn): Ditto.
5665 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5666 * cfgrtl.c (free_bb_for_insn): Ditto.
5667 * passes.c (execute_one_pass): Run additional
5668 todos returned by execute function.
5669 * tree-pass.h (struct tree_opt_pass): Make execute
5672 2006-03-02 Richard Guenther <rguenther@suse.de>
5674 * tree-ssa-alias.c (find_used_portions): Consider taking
5675 the address as making the variable not write-only.
5677 2006-03-02 Nick Clifton <nickc@redhat.com>
5679 * config.gcc (default_use_cxa_atexit): Extend the description of
5680 this configure variable. Set its default value to "yes" for
5681 Linux, NetBSD and ELF targets on the assumption that they will
5682 use C libraries with the __cxa_atexit function.
5684 2006-03-02 Ben Elliston <bje@au.ibm.com>
5686 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5687 parameter as unused to suppress a build warning.
5689 2006-03-02 Ben Elliston <bje@au.ibm.com>
5691 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5694 2006-03-01 Roger Sayle <roger@eyesopen.com>
5697 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5698 declared name, the weak reference name, and the typeof name.
5699 (__gthrw): Avoid expanding the declared name suffix.
5700 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5702 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5704 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5706 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5707 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5708 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5709 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5710 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5711 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5712 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5713 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5714 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5715 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5716 (DW_END_default, DW_END_big, DW_END_little): New.
5717 (DW_END_lo_user, DW_END_hi_user): Define.
5718 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5719 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5720 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5723 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5725 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5727 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5729 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5731 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5733 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5734 to 'symbol_mem_tag'.
5736 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5739 2006-03-01 Roger Sayle <roger@eyesopen.com>
5741 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5743 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5746 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5747 MACHO_DYNAMIC_NO_PIC_P.
5748 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5750 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5753 * config/darwin-protos.h (darwin_asm_output_anchor):
5755 * config/darwin-sections.def (cstring_section):
5756 Add SECTION_MERGE to the flags.
5757 (literal4_section): Likewise.
5758 (literal8_section): Likewise.
5759 (objc_selector_refs_section): Likewise.
5760 (objc_cls_refs_section): Likewise.
5761 * config/darwin.c (darwin_asm_output_anchor): New
5763 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5765 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5767 Fix PR tree-optimization/26443
5768 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5769 to todo and PROP_tmt_usage to properties_destroyed.
5770 * tree-ssa-ccp.c (pass_ccp): Ditto.
5771 (pass_store_ccp): Ditto.
5772 * tree-ssa-dom.c (pass_dominator): Ditto.
5774 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5776 * tree-ssa-operands.c: Cleanup whitespace.
5777 (get_asm_expr_operands): Move before first invocation.
5778 (get_indirect_ref_operands): Likewise.
5779 (get_tmr_operands): Likewise.
5780 (get_call_expr_operands): Likewise.
5781 (append_def): Likewise.
5782 (append_use): Likewise.
5783 (append_v_may_def): Likewise.
5784 (append_v_must_def): Likewise.
5785 (add_call_clobber_ops): Likewise.
5786 (add_call_read_ops): Likewise.
5787 (add_stmt_operand): Likewise.
5788 (add_virtual_operand): Likewise.
5789 (build_ssa_operands): Likewise.
5791 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5796 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5797 with a call expr to ...
5798 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5800 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5802 * tree-vrp.c (extract_range_from_assert): Remove special
5803 handling for types with super-types.
5805 2006-03-01 Ben Elliston <bje@au.ibm.com>
5807 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5808 and powerpc64-*-linux* configurations.
5809 * config/t-dfprules: New file.
5811 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5812 Compile dfp-bit.c from the source directory using -DWIDTH and
5813 $DFP_CFLAGS to control the compilation of that file, rather than
5814 generating width-specific versions in the build directory.
5815 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5816 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5818 2006-02-28 Zack Weinberg <zackw@panix.com>
5820 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5823 2006-02-28 Eric Christopher <echristo@apple.com>
5825 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5826 Set up IN_LIBGCC definition of TARGET_64BIT.
5827 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5829 2006-02-28 Roger Sayle <roger@eyesopen.com>
5832 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5833 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5834 cases via the construction of "expr != 0".
5836 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5838 * alias.c (alias_invariant, alias_invariant_size): Remove.
5839 (record_base_value): Remove.
5840 (memrefs_conflict_p): Don't look at alias_invariant.
5841 (end_alias_analysis): Don't free it.
5842 * alias.h (record_base_value): Remove prototype.
5844 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5845 Adam Nemet <anemet@caviumnetworks.com>
5847 * rtl.h (truncated_to_mode): Declare it.
5848 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5849 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5850 (RTL_HOOKS_INITIALIZER): Include it.
5851 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5852 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5853 reg_truncated_to_mode.
5854 * rtlanal.c (truncated_to_mode): Define it.
5855 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5857 2006-02-28 Jeff Law <law@redhat.com>
5859 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5860 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5861 the range allowed by TYPE_PRECISION.
5863 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5865 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5867 PR tree-optimization/26419
5868 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5871 2006-02-27 Zack Weinberg <zackw@panix.com>
5873 * doc/md.texi: Fix typo in previous change.
5875 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5879 2006-02-27 Zack Weinberg <zackw@panix.com>
5881 * rtl.def (define_constraint, define_register_constraint)
5882 (define_memory_constraint, define_address_constraint): New MD forms.
5883 * gensupport.c (process_rtx): Put define_constraint etc on the
5885 * genpreds.c (process_define_predicate): Adjust comment. Validate
5886 the name, and call validate_exp to validate the expression.
5887 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5888 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5889 all callers changed.
5890 (validate_exp, needs_variable, struct constraint_data)
5891 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5892 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5893 (const_dbl_constraints, constraint_max_namelen)
5894 (have_register_constraints, have_memory_constraints)
5895 (have_address_constraints, have_address_constraints)
5896 (have_extra_constraints, have_const_int_constraints)
5897 (have_const_dbl_constraints, mangle, add_constraint)
5898 (process_define_constraint, process_define_register_constraint)
5899 (write_enum_constraint_num, write_lookup_constraint)
5900 (write_insn_constraint_len, write_regclass_for_constraint)
5901 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5902 (write_insn_extra_memory_constraint)
5903 (write_insn_extra_address_constraint)
5904 (write_satisfies_constraint_fns): New.
5905 (write_tm_preds_h): If we have new-style constraint definitions,
5906 prototype the functions generated from them, and define the
5907 old constraint interface (still used by generic code) in terms of
5909 (write_insn_preds_c): If we have new-style constraint definitions,
5910 generate all relevant functions from those definitions.
5911 (main): Handle define_constraint etc.
5912 * genoutput.c (struct constraint_data, indep_constraints)
5913 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5914 (mdep_constraint_len): New data structures and functions, defined
5915 #ifdef USE_MD_CONSTRAINTS.
5916 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5917 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5918 use new logic to validate operand constraints against constraint
5920 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5922 * defaults.h: If none of the old-style constraint macros are
5923 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5924 old-style macros; and poison REG_CLASS_FROM_LETTER,
5925 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5927 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5928 * doc/md.texi: Document new constraint-definition mechanism and the
5929 C interface it provides. Remove references to old mechanism
5930 elsewhere in the document.
5931 (Machine Constraints): Use pathnames relative to gcc directory,
5932 i.e. config/ARCH/FILE. Change i386 section to refer to
5933 config/i386/predicates.md; update that section to match docstrings.
5934 * doc/tm.texi: Move all documentation of the old constraint-
5935 definition macros to their own section, clearly mark as obsolete.
5937 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5938 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5940 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5941 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5942 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5944 (splits and peepholes): Use satisfies_constraint_*.
5945 * config/i386/i386.c (memory_address_length)
5946 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5948 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5950 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5951 scalar operation to be put back into the loop.
5953 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5956 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5957 (extract_cie_info): Handle S flag in augmentation string.
5958 (execute_cfa_program): If context->signal_frame, execute also
5959 fs->pc == context->ra instructions.
5960 (uw_frame_state_for): If context->signal_frame, don't subtract one
5961 from context->ra to find FDE.
5962 (uw_update_context_1): Set context->signal_frame to
5964 (_Unwind_GetIPInfo): New function.
5965 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5966 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5968 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5969 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5970 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5971 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5972 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5973 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5974 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5975 x86_64_fallback_frame_state): Set fs->signal_frame.
5976 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5977 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5978 (frob_update_context): Likewise. Workaround missing S flag in
5979 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5980 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5981 Remove the psw_addr + 1 hack.
5983 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5985 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5986 with aggregates here.
5987 (find_func_aliases): Remove code for &<aggregate> from here.
5989 2006-02-26 Roger Sayle <roger@eyesopen.com>
5991 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5992 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5993 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5996 2006-02-26 Roger Sayle <roger@eyesopen.com>
5999 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6001 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6003 * opts.c (decode_options): Do not handle flag_strength_reduce.
6004 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6005 and OPT_fstrength_reduce.
6006 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6007 flag_prefetch_loop_arrays for being nonzero.
6008 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6010 (fprefetch-loop-arrays-rtl): Removed.
6011 (flag_prefetch_loop_arrays): Do not specify the value.
6013 * doc/passes.texi: Update documentation of loop optimizer
6015 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6016 -frerun-loop-opt): Remove.
6018 2006-02-26 Richard Guenther <rguenther@suse.de>
6020 PR tree-optimization/26421
6021 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6022 in function calls that are ADDR_EXPRs as using the whole structure.
6024 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6026 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6027 * tree-pass.h (pass_loop_optimize): Remove.
6028 * passes.c (pass_loop_optimize): Never run it.
6029 * toplev.c (backend_init): Don't call init_loop.
6030 * opts.c (flag_loop_optimize_set): Remove.
6031 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6032 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6033 the old RTL loop optimizer when profiling enabled.
6034 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6035 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6036 pre-headers for the sake of the old RTL loop optimizer.
6037 * Makefile.in: Remove all references to loop.o.
6039 * doc/invoke.texi: Remove all references to -floop-optimize
6040 and -frerun-loop-opt.
6042 2006-02-26 Zack Weinberg <zackw@panix.com>
6044 * doc/md.texi (Machine Constraints): Refer to all files with paths
6045 relative to gcc directory (i.e. config/CPU/file). Add missing
6046 @table @code ... @end table to M32C subsection.
6048 2006-02-26 Roger Sayle <roger@eyesopen.com>
6050 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6052 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6054 2006-02-26 Roger Sayle <roger@eyesopen.com>
6055 James A. Morrison <phython@gcc.gnu.org>
6058 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6059 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6060 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6061 signedness of the shift operation.
6063 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6065 PR tree-optimization/26359
6066 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6068 2006-02-25 Roger Sayle <roger@eyesopen.com>
6070 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6071 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6072 as X == 0, and some symmetry related transformations.
6073 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6075 2006-02-25 Roger Sayle <roger@eyesopen.com>
6078 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6079 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6080 symmetry related transformations. Fold (X^C1) == C2 as
6083 2006-02-25 Juergen Weigert <jw@suse.de>
6084 Richard Guenther <rguenther@suse.de>
6086 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6088 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6090 * combine.c (gen_lowpart_or_truncate): Call
6091 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6093 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6095 * doc/invoke.texi: Move -fopenmp description to "Options for
6097 Remove reference to -lgomp.
6099 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6101 * doc/install.texi: Require GNU tar version 1.14.
6103 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6105 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6106 * doc/invoke.texi (C++ Dialect Options): Document
6107 -fno-use-cxa-get-exception-ptr.
6108 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6109 * configure: Regenerate.
6110 * c.opt (fuse-cxa-get-exception-ptr): New.
6111 * c-opts.c (c_common_handle_option): Handle
6112 OPT_fuse_cxa_get_exception_ptr.
6113 * c-common.c (flag_use_cxa_atexit): Update documentation.
6114 (flag_use_cxa_get_exception_ptr): New.
6115 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6116 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6118 (C_COMMON_OVERRIDE_OPTIONS): New.
6120 2006-02-24 Roger Sayle <roger@eyesopen.com>
6123 * combine.c (try_combine): Explicitly check whether GET_CODE is
6124 a SET or a CLOBBER, instead on checking that it isn't a USE.
6126 2006-02-24 Roger Sayle <roger@eyesopen.com>
6128 * fold-const.c (fold_comparison): New subroutine of fold_binary
6129 containing transformations common to both the equality and
6130 ordering relational operators, factored out of fold_binary.
6131 (fold_binary): Separate out the equality operators (EQ_EXPR
6132 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6133 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6134 transformations common to both.
6135 (fold_div_compare): Fix latent bugs in the previously unreachable
6136 LT_EXPR and GE_EXPR cases.
6138 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6140 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6141 decl libname for clog to __clog on AIX.
6143 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6145 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6148 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6149 output traceback table for thunks. Localise rs6000_stack_info call.
6151 2006-02-23 Roger Sayle <roger@eyesopen.com>
6152 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6154 * gthr-posix.h (__gthrw): Fix typo in comment.
6156 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6158 * doc/cpp.texi (Character sets): Document that we do support
6159 input files to be in any character set.
6161 2006-02-23 Jeff Law <law@redhat.com>
6163 * tree.h (PHI_ARG_NONZERO): Remove.
6164 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6165 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6166 node to the new node.
6168 PR tree-optimization/26425
6169 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6170 min/max, then assume its varying.
6172 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6174 PR rtl-optimization/26316
6175 * rtlanal.c (enum may_trap_p_flags): New.
6176 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6177 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6178 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6179 (may_trap_after_code_motion_p): New function.
6180 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6181 (find_invariant_insn): Use may_trap_after_code_motion_p.
6182 * rtl.h (may_trap_after_code_motion_p): Declare.
6184 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6186 * emit-rtl.c (immed_double_const): Cleanup.
6188 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6190 Fix PR tree-optimization/26376
6191 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6194 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6197 * gimplify.c (omp_add_variable): Guard variable size decl test with
6198 DECL_SIZE (decl) check.
6200 2006-02-23 Richard Guenther <rguenther@suse.de>
6203 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6204 like aggregate types.
6206 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6208 * configure.ac: Add --with{,out}-long-double-128 configure option.
6209 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6210 * configure: Rebuilt.
6211 * config.in: Rebuilt.
6212 * doc/install.texi (Options specification): Document
6213 --with-long-double-128.
6215 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6216 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6217 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6218 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6220 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6222 * config/s390/s390.c (override_options): Handle
6223 TARGET_DEFAULT_LONG_DOUBLE_128.
6225 * config/alpha/alpha.c (override_options): Handle
6226 TARGET_DEFAULT_LONG_DOUBLE_128.
6228 * config/sparc/sparc.c (sparc_override_options): Handle
6229 TARGET_DEFAULT_LONG_DOUBLE_128.
6231 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6233 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6234 (real-install-headers-tar, real-install-headers-cpio)
6235 (real-install-headers-cp): New targets.
6237 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6239 * tree.h (variable_section): Delete.
6240 * varasm.c (variable_section): Delete.
6242 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6244 * install.texi: Add notes on install.texi2html.
6245 (Building in parallel): Do not use footnotes.
6247 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6250 * doc/install.texi (Configuration): Document --disable-libgomp.
6252 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6254 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6256 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6258 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6259 (vec_extractv2df_0_sse): New.
6261 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6263 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6264 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6265 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6266 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6267 to the result of the expression.
6268 (def_cfa_1): Adjust.
6269 (frame_pointer_cfa_offset): Rename to...
6270 (frame_pointer_fb_offset): ... this. Adjust all uses.
6271 (convert_cfa_to_loc_list): Rename to...
6272 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6273 Pass it on to build_cfa_loc.
6274 (compute_frame_pointer_to_cfa_displacement): Rename to...
6275 (compute_frame_pointer_to_fb_displacement): ... this. New
6276 offset parameter. Use it in computation.
6277 (gen_subprogram_die): Compute cfa_fb_offset with the new
6278 macro, and use it to compute the fb loc list and the
6281 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6283 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6284 replaced with register_operand.
6285 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6286 non-DREG is expensive.
6287 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6288 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6291 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6293 * doc/install.texi2html: Use set -e.
6295 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6297 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6298 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6299 * doc/invoke.texi (-fshared-data): Delete.
6300 * common.opt (fshared-data): Delete.
6301 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6302 (assemble_static_space): Remove #if 0 code.
6303 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6304 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6305 * config/cris/cris.h: Remove FIXME.
6307 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6309 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6312 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6315 * combine.c (simplify_shift_const_1): Disable nested shifts
6316 optimization for vector shifts.
6318 2006-02-20 Roger Sayle <roger@eyesopen.com>
6320 PR tree-optimization/26361
6321 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6322 of unsigned integer types.
6324 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6326 * tree-chrec.c (eq_evolutions_p): New.
6327 * tree-chrec.h (eq_evolutions_p): Declared.
6328 * tree-data-ref.c: Fix formatting.
6329 (datadep_stats, dependence_stats): New.
6331 (print_direction_vector): New.
6332 (dump_data_dependence_relation): Use print_direction_vector.
6333 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6334 (compute_subscript_distance): Static.
6335 (initialize_data_dependence_relation): Static. Get the number
6336 of loops surrounding the references from the callers, and initialize
6337 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6338 base_object_differ_p analyzers.
6339 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6340 compute_overlap_steps_for_affine_1_2,
6341 analyze_subscript_affine_affine): Count the classified dependences.
6342 Print a message when a test failed.
6343 (can_use_analyze_subscript_affine_affine): New.
6344 (analyze_siv_subscript): Compute the data dependences on symbolic
6345 scevs that verify can_use_analyze_subscript_affine_affine.
6346 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6347 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6348 Handle symbolic scevs.
6349 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6351 (subscript_dependence_tester): Moved...
6352 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6353 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6354 DDR_SIZE_VECT instead of getting it in parameter.
6355 (subscript_dependence_tester): ... here. Take as a parameter
6356 loop_nest_depth. Call build_classic_dist_vector and
6357 build_classic_dir_vector.
6358 (compute_affine_dependence): Update subscript_dependence_tester
6359 parameters. Update datadep_stats counters. Call
6360 compute_subscript_distance.
6361 (compute_self_dependence): Save the dist and dir vectors. Call
6362 compute_subscript_distance.
6363 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6364 (compute_all_dependences): Reorder parameters as they were before
6365 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6366 compute_subscript_distance. Update the use of
6367 compute_affine_dependence and initialize_data_dependence_relation.
6368 (find_data_references_in_loop): Handle COMPONENT_REF.
6369 (compute_data_dependences_for_loop): Initialize dependence_stats.
6370 Don't call build_classic_dist_vector and build_classic_dir_vector.
6371 Update the parameters of initialize_data_dependence_relation and
6372 compute_all_dependences. Print the statistics from datadep_stats.
6373 (analyze_all_data_dependences): Static. Not used until the pass for
6374 checking the data dependences is contributed.
6375 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6376 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6377 (initialize_data_dependence_relation, compute_affine_dependence,
6378 analyze_all_data_dependences, compute_subscript_distance): Removed.
6379 (print_direction_vector): New.
6380 * lambda.h (gcd): ... here.
6381 (lambda_vector_gcd): Moved here from gcd_vector.
6382 * lambda-code.c (gcd, gcd_vector): Removed.
6383 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6384 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6386 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6388 * ipa-type-escape.c: Tidy some comments and white space.
6389 * tree-ssa-operands.c: Likewise.
6391 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6394 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6395 (dump_decl_name): Do not walk the decl tree chains.
6396 * tree-pass.h (TDF_CHAIN): Remove.
6398 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6400 * Makefile.in (C): Remove
6402 (.PHONY): Remove C and PROTO
6404 2006-02-20 Roger Sayle <roger@eyesopen.com>
6407 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6408 deprecated CHAR_TYPE tree code.
6410 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6412 * configure.ac (target_list): Add install-info, dvi, html.
6413 * configure: Regenerate.
6415 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6416 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6417 treelang/Make-lang.in: Do not use double-colon rules.
6419 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6421 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6422 (TMT_USED_ALONE): New macro.
6423 * tree-pass.h (PROP_tmt_usage): New property.
6424 (TODO_update_tmt_usage): New todo.
6425 * tree-ssa-alias.c (updating_used_alone): New variable.
6426 (recalculate_used_alone): New function.
6427 (compute_may_aliases): Set updating_used_alone, call
6428 recalculate_used_alone.
6429 * tree-sra.c (pass_sra): Note that this pass destroys
6430 PROP_tmt_usage, and add TODO_update_tmt_usage.
6431 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6432 * tree-flow.h (updating_used_alone): Prototype.
6433 (recalculate_used_alone): Ditto.
6434 * passes.c (execute_todo): Add code to set updating_used_alone,
6435 and call recalculate.
6436 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6437 for clobber if used alone, and add assert to verify used_alone
6440 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6442 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6443 for non tls symbols added.
6444 (legitimize_address): Do nothing for PLUS expressions if one of the
6445 addends is a tls symbol reference.
6447 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6451 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6453 * Makefile.in (BOOTSTRAPPING): New.
6454 (quickstrap): New definition if BOOTSTRAPPING=yes.
6456 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6457 * configure.ac: Substitute all_selected_languages with the languages
6458 that were configured. For all the other variables except
6459 lang_specs_files, include all the languages in the tree.
6460 * configure: Regenerate.
6462 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6463 if there is one. Run the commands to run fixincludes in the same
6466 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6467 * doc/install.texi: Document exact conventions for searching target tools.
6468 Document --with-build-time-tools. Document toplevel bootstrap. Document
6469 something more about building an Ada cross-compiler. Don't list GNU Make
6470 requirements which affect all platforms.
6472 2006-02-19 Roger Sayle <roger@eyesopen.com>
6475 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6476 only equivalent if the have both the same mode and precision.
6478 2006-02-20 Ben Elliston <bje@au.ibm.com>
6480 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6482 2006-02-19 Roger Sayle <roger@eyesopen.com>
6483 Steven Bosscher <stevenb.gcc@gmail.com>
6485 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6486 constant pool references to identify stack mode constants.
6487 * rtlanal.c (constant_pool_constant_p): New predicate to check
6488 whether operand is a floating point constant in the pool.
6489 * rtl.h (constant_pool_constant_p): Prototype here.
6490 * loop.c (scan_loop): Avoid hoisting constants from the constant
6491 pool on STACK_REGS targets.
6492 (load_mems): Likewise.
6493 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6494 loads into x87 registers expensive in terms of register pressure.
6496 2006-02-19 Roger Sayle <roger@eyesopen.com>
6498 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6499 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6501 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6503 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6504 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6506 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6508 * doc/invoke.texi: Document -fipa-pta.
6509 * common.opt: Add ipa-pta option.
6510 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6511 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6512 (do_ds_constraint): Ditto.
6513 (get_constraint_for): Only add to referenced_vars if
6514 referenced_vars exists.
6515 (insert_into_field_list): Rewrite to do this unsorted.
6516 (insert_into_field_list_sorted): Rename old insert_into_field_list
6518 (create_function_info_for): Use insert_into_field_list_sorted.
6519 (create_variable_info_for): Rewrite so it uses unsorted version,
6520 since the field list is sorted.
6521 (intra_create_variable_infos): Only add to referenced_vars if
6522 referenced_vars exists.
6523 (ipa_pta_execute): Init heapvars, and delete when done.
6524 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6526 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6528 * doc/install.texi: Add missing `@samp'.
6530 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6532 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6535 2006-02-18 Mark Wielaard <mark@klomp.org>
6537 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6538 who added new 4.1 features, bug fixes and integration support.
6540 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6543 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6546 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6548 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6549 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6550 (copy_insn_1): Likewise. Don't copy each field individually.
6552 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6554 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6555 * rtl.c (rtx_size): Rename variable to...
6556 (rtx_code_size): ...this.
6557 (rtx_size): New function.
6558 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6559 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6561 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6562 * rtl.h (rtx_code_size): New variable.
6563 (rtx_size): Change from a variable to a function.
6564 (RTX_SIZE): Rename to...
6565 (RTX_CODE_SIZE): ...this.
6568 PR tree-optimization/17106
6569 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6570 (Anchored Addresses): New section.
6571 * doc/invoke.texi (-fsection-anchors): Document.
6572 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6573 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6574 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6575 * hooks.c (hook_bool_mode_rtx_false): New function.
6576 * hooks.h (hook_bool_mode_rtx_false): Declare.
6577 * gengtype.c (create_optional_field): New function.
6578 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6579 SYMBOL_REF_IN_BLOCK_P is true.
6580 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6581 (min_anchor_offset, max_anchor_offset): Likewise.
6582 (use_anchors_for_symbol_p): New hook.
6583 * toplev.c (compile_file): Call output_object_blocks.
6584 (target_supports_section_anchors_p): New function.
6585 (process_options): Check that -fsection-anchors is only used on
6586 targets that support it and when -funit-at-a-time is in effect.
6587 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6588 if the decl doesn't have one.
6589 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6590 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6591 of force_const_mem through use_anchored_address.
6592 (expand_expr_constant): New function.
6593 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6594 calling expand_expr for INDIRECT_REF.
6595 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6596 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6597 * expr.h (use_anchored_address): Declare.
6598 * loop-unroll.c: Don't declare rtx vectors here.
6599 * explow.c: Include output.h.
6600 (validize_mem): Call use_anchored_address.
6601 (use_anchored_address): New function.
6602 * common.opt (-fsection-anchors): New switch.
6603 * varasm.c (object_block_htab, anchor_labelno): New variables.
6604 (hash_section, object_block_entry_eq, object_block_entry_hash)
6605 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6606 (use_blocks_for_decl_p, change_symbol_section): New functions.
6607 (get_variable_section): New function, split out from assemble_variable.
6608 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6609 use_blocks_for_decl_p say so. Use change_symbol_section if the
6610 symbol has already been created.
6611 (assemble_variable_contents): New function, split out from...
6612 (assemble_variable): ...here. Don't output any code for
6613 block symbols; just pass them to place_block_symbol.
6614 Use get_variable_section and assemble_variable_contents.
6615 (get_constant_alignment, get_constant_section, get_constant_size): New
6616 functions, split from output_constant_def_contents.
6617 (build_constant_desc): Create a block symbol if use_object_blocks_p
6618 says so. Or into SYMBOL_REF_FLAGS.
6619 (assemble_constant_contents): New function, split from...
6620 (output_constant_def_contents): ...here. Don't output any code
6621 for block symbols; just pass them to place_section_symbol.
6622 Use get_constant_section and get_constant_alignment.
6623 (force_const_mem): Create a block symbol if use_object_blocks_p and
6624 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6625 (output_constant_pool_1): Add an explicit alignment argument.
6626 Don't switch sections here.
6627 (output_constant_pool): Adjust call to output_constant_pool_1.
6628 Switch sections here instead. Don't output anything for block symbols;
6629 just pass them to place_block_symbol.
6630 (init_varasm_once): Initialize object_block_htab.
6631 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6632 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6633 (place_block_symbol, get_section_anchor, output_object_block)
6634 (output_object_block_htab, output_object_blocks): New functions.
6635 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6636 (TARGET_ASM_OUT): Include it.
6637 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6638 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6639 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6640 (TARGET_INITIALIZER): Include them.
6641 * rtl.c (rtl_check_failed_block_symbol): New function.
6642 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6643 (block_symbol, object_block): New structures.
6644 (rtx_def): Add a block_symbol field to the union.
6645 (BLOCK_SYMBOL_CHECK): New macro.
6646 (rtl_check_failed_block_symbol): Declare.
6647 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6648 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6649 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6650 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6651 * output.h (output_section_symbols): Declare.
6652 (object_block): Name structure.
6653 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6654 (default_use_anchors_for_symbol_p): Declare.
6655 * Makefile.in (RTL_BASE_H): Add vec.h.
6656 (explow.o): Depend on output.h.
6657 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6658 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6659 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6660 (rs6000_use_blocks_for_constant_p): New function.
6662 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6664 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6666 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6669 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6672 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6674 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6678 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6681 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6682 instead of DECL_REGISTER.
6684 2006-02-18 Olivier Hainque <hainque@adacore.com>
6687 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6689 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6692 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6693 * opth-gen.awk: Handle Var and InverseMask together.
6694 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6695 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6696 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6697 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6699 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6700 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6701 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6702 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6703 LINUX_DYNAMIC_LINKER): Define.
6704 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6705 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6707 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6708 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6709 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6711 (TARGET_C99_FUNCTIONS): Don't define.
6712 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6713 GLIBC_DYNAMIC_LINKER.
6714 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6715 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6716 GLIBC_DYNAMIC_LINKER64): Define.
6717 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6718 LINUX_DYNAMIC_LINKER64.
6719 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6720 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6721 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6723 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6725 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6726 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6727 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6729 and LINUX_DYNAMIC_LINKER32.
6730 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6732 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6733 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6734 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6736 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6737 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6738 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6739 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6740 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6741 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6742 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6743 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6744 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6745 LINUX_DYNAMIC_LINKER): Define.
6746 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6747 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6748 GLIBC_DYNAMIC_LINKER64): Define.
6749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6750 LINUX_DYNAMIC_LINKER64.
6751 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6752 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6753 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6754 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6755 LINUX_DYNAMIC_LINKER): Define.
6756 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6757 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6758 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6759 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6760 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6761 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6762 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6763 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6764 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6765 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6767 * doc/invoke.texi (-muclibc): Remove caveat about supported
6770 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6772 * doc/cpp.texi (__TIMESTAMP__): Document.
6774 2006-02-17 Roger Sayle <roger@eyesopen.com>
6777 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6778 C is one less than the width of X (and related transformations).
6779 * simplify-rtx.c (simplify_unary_operation_1): Transform
6780 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6781 depending on STORE_FLAG_VALUE, were C is one less then the
6784 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6786 Fix PR tree-optimization/26341
6787 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6788 about NAME_MEMORY_TAG's.
6790 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6793 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6794 with hardware float support, and software float support. Add fcpy
6795 alternative to hardware patterns. Add alternatives to copy between
6796 general and floating-point registers to the 32-bit pattern.
6797 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6798 secondary reload to load a QI or HI mode constant into a floating
6800 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6801 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6803 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6806 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6808 (load_macho_picbase_di): Likewise.
6810 2006-02-16 Jeff Law <law@redhat.com>
6812 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6813 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6814 (ssa_name_nonzero_p): Likewise.
6815 (get_value_range): Return NULL if VRP is not running.
6816 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6817 VRP routines do not discover a range.
6818 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6819 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6820 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6821 (tree_expr_nonnegative_p): Similarly.
6822 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6823 (restore_nonzero_vars_to_original_value): Remove.
6824 (unsafe_associative_fp_binop): Remove.
6825 (tree_ssa_dominator_optimize): Remove initialization and
6826 finalization of nonzero_vars and nonzero_vars_stack.
6827 (dom_opt_initialize_block): No longer push marker on
6829 (dom_opt_finalize_block): No longer call
6830 restore_nonzero_vars_to_original_value.
6831 (record_equivalences_from_phis): No longer look for
6832 nonzero PHI arguments.
6833 (cprop_into_successor_phis): No longer propagate nonzero
6834 property into PHI arguments. Lose unused argument. Caller
6836 (record_equivalences_from_stmt): No longer record nonzero
6837 values for SSA_NAMEs.
6838 (lookup_avail_expr): No longer use nonzero_vars.
6840 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6841 for sizetype when sizetype is unsigned.
6843 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6845 PR rtl-optimization/25603
6846 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6847 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6848 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6849 with new meaning of SETS.
6851 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6856 * config/linux.opt: New file.
6857 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6858 LINUX_DYNAMIC_LINKER): Define.
6859 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6860 * config.gcc (*-*-linux*): Define extra_options.
6861 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6862 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6863 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6864 GLIBC_DYNAMIC_LINKER.
6865 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6866 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6867 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6869 * doc/invoke.texi (GNU/Linux Options): New section.
6871 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6873 * config/sparc/sparc.md (setjmp): Rewrite.
6874 (setjmp_32): Delete.
6875 (setjmp_64): Likewise.
6877 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6879 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6882 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6884 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6887 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6889 PR rtl-optimization/26296
6890 * Makefile.in (loop-invariant.c): Add except.h dependency.
6891 * loop-invariant.c: Include except.h.
6892 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6894 2005-02-16 Paul Brook <paul@codesourcery.com>
6896 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6899 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6901 PR rtl-optimization/25636
6902 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6903 when deciding whether an insn is an initializing insn.
6905 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6907 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6908 (tree_code_size): Ditto.
6909 * tree.h (struct tree_memory_tag): Remove parent_var.
6910 (struct tree_struct_field_tag): New.
6913 (union tree_node): Add sft member.
6914 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6916 (create_sft): Add size and offset argument, set SFT_OFFSET and
6918 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6919 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6920 * tree-flow-inline.h (get_subvar_at): Update for
6921 SFT_OFFSET/SFT_SIZE.
6922 (var_can_have_subvars): Ditto.
6923 (overlap_subvar): Ditto.
6924 * print-tree.c (print_node): Print out interesting things for
6926 * tree-flow.h (struct subvar): Remove offset and size members.
6927 * tree-ssa-operands.c (get_expr_operands): Update for
6928 get_indirect_ref_operands changes.
6929 (get_indirect_ref_operands): Call add_virtual_operand instead of
6930 add_stmt_operand. Only recurse on base var if requested.
6931 (access_can_touch_variable): New function.
6932 (add_stmt_operand): Split virtual operand handling into ...
6933 (add_virtual_operand): Here. Add offset, size, and for_clobber
6934 arguments. Prune alias sets.
6935 (add_call_clobber_ops): Call add_virtual_operand.
6937 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6940 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6942 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6943 than TREE_CODE as index into omp_clause_num_ops array.
6945 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6947 PR rtl-optimization/26184
6948 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6950 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6951 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6952 must_precede, must_follow and tobe_scheduled.
6955 * opts.c (common_handle_option): Free new_option pointer.
6956 * df-core.c (df_analyze): Free postorder pointer.
6958 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6960 * Makefile.in: Fix the examples about the use of stamps
6962 2006-02-15 Michael Matz <matz@suse.de>
6966 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6967 influenced by maximum_field_alignment or DECL_PACKED.
6968 (update_alignment_for_field): Ditto.
6969 (place_field): Ditto.
6970 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6973 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6975 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6976 (debug_flow_info): Pass it.
6977 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6978 * bb-reorder.c (reorder_basic_blocks): Likewise.
6979 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6980 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6981 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6982 * gcse.c (gcse_main, bypass_jumps): Likewise.
6983 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6984 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6985 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6986 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6987 * rtl.h (dump_flow_info): Adjust prototype.
6988 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6989 * var-tracking.c (variable_tracking_main): Likewise.
6990 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6991 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6994 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6996 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6999 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7001 PR tree-optimization/26209
7002 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7003 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7005 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7007 2006-02-14 Roger Sayle <roger@eyesopen.com>
7010 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7011 (X,Y) and the corresponding symmetry related transformations.
7012 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7013 (X,Y) and its symmetry related transformations.
7015 2006-02-14 Roger Sayle <roger@eyesopen.com>
7017 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7020 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7022 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7024 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7027 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7028 support COMDAT group.
7029 * configure: Regenerate.
7031 2006-02-14 Roger Sayle <roger@eyesopen.com>
7036 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7038 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7040 Fix PR tree-optimization/26260
7042 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7044 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7045 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7046 * tree-ssa-structalias.c (create_variable_info_for): Use
7047 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7049 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7051 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7053 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7054 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7055 of the ending condition.
7056 * tree-ssa-loop-manip.c: Include params.h.
7057 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7058 tree_unroll_loop): New functions.
7059 * tree-pass.h (pass_loop_prefetch): Declare.
7060 * loop.c (rest_of_handle_loop_optimize): Test for
7061 -fprefetch-loop-arrays-rtl.
7062 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7063 * timevar.def (TV_TREE_PREFETCH): New timevar.
7064 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7065 pass_loop_prefetch): New.
7066 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7067 (cleanup_tree_cfg_loop): Call scev_reset.
7068 * common.opt (fprefetch-loop-arrays-rtl): Add.
7069 * tree-ssa-loop-prefetch.c: New file.
7070 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7071 (new_temp_expr_table): Initialize expr_vars.
7072 (free_temp_expr_table): Cleanup expr_vars.
7073 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7074 expressions from being merged into one.
7075 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7076 (struct tree_niter_desc): Add control, bound and cmp fields.
7077 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7079 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7080 (tree-cfgcleanup.o): Add SCEV_H dependency.
7081 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7082 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7084 2006-02-14 Richard Guenther <rguenther@suse.de>
7086 PR tree-optimization/26258
7087 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7088 in PHI argument processing.
7090 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7092 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7093 new expression in the requested machine mode.
7095 2006-02-13 Roger Sayle <roger@eyesopen.com>
7097 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7098 directly, instead let do_compare_rtx_and_jump handle this for us.
7099 * expr.c (expand_expr_real_1): Likewise.
7100 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7101 before do_jump_by_parts_greater.
7102 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7103 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7105 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7107 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7109 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7111 PR rtl-optimization/26235
7112 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7113 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7116 2006-02-13 Jeff Law <law@redhat.com>
7118 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7121 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7124 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7125 twice if decl is a builtin. When trying again, call get_callee_fndecl
7126 first to verify it is still a builtin.
7128 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7130 * dwarf2out.c (base_type_die): Don't add AT_name here.
7131 (subrange_type_die): Don't add AT_name here.
7132 (modified_type_die): Rearrange code flow. Do add AT_name here.
7134 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7136 PR rtl-optimization/26247
7137 PR rtl-optimization/26248
7138 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7140 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7142 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7143 * config/fixtfdi.c: Likewise.
7144 * config/fixunstfdi.c: Likewise.
7145 * config/floatditf.c: Likewise.
7147 2006-02-13 Roger Sayle <roger@eyesopen.com>
7150 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7151 into (X,C2) if C1 is a subset of the bits of C2. Transform
7152 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7154 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7156 2006-02-13 Josh Conner <jconner@apple.com>
7159 * varasm.c (function_section): Check for section name before
7160 calling select_section on targets that define
7161 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7162 unlikely_text_section instead of hot_function_section if
7163 first_function_block_is_cold.
7165 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7168 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7170 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7172 PR rtl-optimization/26222
7173 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7174 after tree->rtl expansion.
7175 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7176 before passing it to emit_move_insn.
7178 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7180 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7182 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7183 Clarify documentation.
7184 * c-common.h (warn_write_strings): Remove.
7185 * c-common.c (warn_write_strings): Likewise.
7186 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7189 2006-02-12 Roger Sayle <roger@eyesopen.com>
7192 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7193 (do_jump_parts_zero_rtx): New function renamed from
7194 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7195 (do_jump_parts_equality_rtx): New function split out from
7196 do_jump_parts_equality. Old implementation renamed as above.
7197 Call do_jump_parts_zero_rtx if either operand is zero.
7198 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7199 do all of the heavy lifting.
7200 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7201 calling either do_jump_by_parts_greater_rtx or
7202 do_jump_by_parts_equality_rtx.
7203 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7204 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7205 moved to do_compare_rtx_and_jump, call it directly.
7206 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7207 mode argument. Call do_compare_rtx_and_jump.
7208 (emit_case_nodes): Update calls to do_jump_if_equal.
7210 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7212 PR rtl-optimization/26225
7213 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7215 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7217 PR rtl-optimization/26232
7218 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7220 2006-02-11 Jason Merrill <jason@redhat.com>
7223 * tree-inline.c (declare_return_variable): Just don't use the
7224 modify target if it's a gimple complex reg and the return slot
7227 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7229 * doc/contrib.texi: Update my entry.
7231 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7233 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7235 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7237 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7240 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7242 * doc/invoke.texi (-floop-optimize2): Removed.
7243 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7244 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7245 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7246 * common.opt (floop-optimize2): Removed.
7247 (fmove-loop-invariants): Enabled by default.
7249 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7251 * tree-if-conv.c (combine_blocks): Free the result of
7252 get_loop_exit_edges.
7254 2006-02-10 Jeff Law <law@redhat.com>
7256 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7258 PR tree-optimization/26213
7259 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7260 loop trying to follow SSA_NAME_VALUE chains.
7262 2006-02-10 Richard Guenther <rguenther@suse.de>
7264 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7265 deal with structures that end in implicitly variable sized arrays.
7267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7269 PR rtl-optimization/24762
7270 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7273 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7275 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7276 (struct ivopts_data): Add regs_used field.
7277 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7278 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7279 instead of loop_data->regs_used;
7280 (free_loop_data): Do not free aux fields for loops.
7281 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7282 and tree_ssa_iv_optimize_finalize.
7284 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7286 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7291 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7292 computing the effective result type.
7294 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7297 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7298 (tree_overlaps_hard_reg_set): Declare.
7299 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7300 type and signature to match function type expected by walk_tree.
7301 (tree_overlaps_hard_reg_set): New function.
7302 (decl_conflicts_with_clobbers_p): Rename to:
7303 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7304 Use tree_overlaps_hard_reg_set. Changed caller.
7305 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7306 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7307 * cris.c (cris_md_asm_clobbers): Likewise.
7309 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7311 * reload1.c (emit_input_reload_insns): Delete code that tries to
7312 inherit using find_equiv_reg.
7314 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7316 * c-common.h (flag_const_strings): Don't declare.
7317 * c-common.c (flag_const_strings): Remove.
7318 * c.opt (fconst_strings): Remove.
7319 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7320 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7321 (c_common_init_options): Don't set flag_const_strings.
7322 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7324 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7326 * arm.md (tlobits_cbranch): New pattern.
7327 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7328 testing a single bit.
7330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7333 * tree-ssa-pre.c (create_component_ref_by_pieces):
7334 Handle RETURN_DECL like VAR_DECL.
7336 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7339 * fold-const.c (fold_indirect_ref_1): Fold
7340 "*(foo *)&complexfoo" to "__real__ complexfoo"
7341 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7343 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7345 * tree-flow-inline.h (var_can_have_subvars):
7346 Volatile variables should not have subvariables.
7348 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7351 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7352 multiplying unsigned values.
7355 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7357 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7359 2006-02-08 Jason Merrill <jason@redhat.com>
7362 * tree.def: Elaborate on difference from MODIFY_EXPR.
7363 * doc/c-tree.texi (INIT_EXPR): Likewise.
7364 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7365 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7366 (gimplify_target_expr): Likewise.
7367 (gimplify_cond_expr): Remove target handling.
7368 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7369 (gimplify_expr): Clobber it here.
7370 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7371 Do return slot optimization if we have an INIT_EXPR.
7374 * tree-inline.c (declare_return_variable): Also clear
7375 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7378 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7381 * gimplify.c (gimplify_one_sizepos): Fix typo.
7383 2006-02-08 Jeff Law <law@redhat.com>
7385 PR tree-optimization/21417
7386 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7387 across a backedge if the control statement at the end of the
7388 block is data dependent on other statements in the same block.
7389 (record_temporary_equivalences_from_stmts): Remove over-conservative
7390 test for threading across backedges.
7392 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7393 control statement, handle all three special cases in the same
7394 manner as they all have the same desired solution. No longer
7395 special case edge flag updating when the post dominator is
7398 2006-02-08 Roger Sayle <roger@eyesopen.com>
7400 * tree.def (CHAR_TYPE): Remove.
7401 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7402 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7403 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7404 (gen_string_type_die): Delete unreachable function.
7406 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7407 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7408 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7409 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7410 * builtins.c (type_to_class): Likewise.
7411 * fold-const.c (fold_convert, build_range_check,
7412 merge_ranges): Likewise.
7413 * expr.c (count_type_elements): Likewise.
7414 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7415 * stor-layout.c (layout_type): Likewise.
7416 * ipa-type-escape.c (type_to_consider): Likewise.
7417 * gimplify.c (omp_firstprivatize_type_sizes,
7418 gimplify_type_sizes): Likewise.
7419 * explow.c (promote_mode): Likewise.
7420 * tree-sra.c (is_sra_scalar_type): Likewise.
7421 * varasm.c (output_constant): Likewise.
7422 * tree-inline.c (remap_type_1): Likewise.
7423 * convert.c (convert_to_pointer, convert_to_real,
7424 convert_to_integer, convert_to_complex): Likewise.
7426 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7428 * df-scan.c (df_def_record_1): A set destination may
7429 be a parallel regardless of mode.
7431 2006-02-08 Roger Sayle <roger@eyesopen.com>
7434 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7435 * config/mips/_tilib.c: Remove.
7436 * config/fixtfdi.c: New libgcc source file.
7437 * config/fixunstfdi.c: New source file.
7438 * config/floatditf.c: New source file.
7439 * config/floatunditf.c: New souce file.
7440 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7441 files above instead of config/mips/_tilib.c.
7442 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7444 2006-02-08 Jeff Law <law@redhat.com>
7446 PR tree-optimization/26169
7447 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7450 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7452 * df.h (DF_REG_SIZE): Return the length of the initialized
7455 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7457 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7458 __muldf3): Return a correctly signed zero.
7460 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7462 * passes.c (register_one_dump_file): Accept the current properties
7463 instead of pass number. Adjust call to dump_register. Remove
7465 (register_dump_files): Now a wrapper around...
7466 (register_dump_files_1): ... this one. Do not modify the pass
7468 (next_pass_1): Cosmetic fix.
7469 (execute_todo): Keep second parameter only. Use curr_properties
7470 instead of fetching it from the pass structure. Check and set
7472 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7473 instead of fetching it from the pass structure. Fix calls to
7474 execute_todo. Update curr_properties and initialize .vcg RTL dump
7475 after running the pass. Reset last_verified.
7476 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7478 (FIRST_AUTO_NUMBERED_DUMP): New.
7479 (dump_register): Remove "num" parameter, assign it within the
7481 (get_dump_file_name): Modify template for dumps.
7482 * tree-dump.h (dump_register): Adjust prototype.
7483 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7484 (PROP_trees): Add PROP_gimple_lomp.
7485 (TODO_set_props): New.
7486 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7487 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7488 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7490 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7492 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7493 (sparc64-*-linux*): Likewise.
7494 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7495 * config/sparc/t-linux: New file.
7496 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7497 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7498 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7499 -m32 -mlong-double-128.
7501 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7502 * config/alpha/t-linux: New file.
7503 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7505 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7506 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7507 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7508 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7509 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7510 (CPP_ARCH32_SPEC): Remove.
7512 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7514 PR tree-optimization/26145
7515 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7518 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7521 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7522 >= 240000 when generating code for SOM runtime.
7523 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7524 to $$dyncall when generating code for SOM runtime..
7526 2006-02-07 Dirk Mueller <dmueller@suse.com>
7529 * doc/invoke.texi (-Wsequence-point): Update documentation
7530 that -Wsequence-point is implemented for C++ as well.
7532 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7534 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7535 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7536 (LIB_SPEC): Likewise.
7537 * doc/invoke.texi (SPARC options): Document -pthread.
7539 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7541 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7544 2006-02-07 Roger Sayle <roger@eyesopen.com>
7546 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7547 Correct comment describing BOOLEAN_TYPE.
7549 2006-02-07 Dirk Mueller <dmueller@suse.com>
7551 * c.opt: C++ frontend supports -Wdiv-by-zero.
7552 * c-opts.c (c_common_handle_option): Remove dead case.
7554 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7556 * configure.ac (TLS assembler check): Do not enable TLS by
7557 default on SPARC/Solaris before version 10.
7558 * configure: Regenerate.
7560 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7562 * doc/invoke.texi (xl-compat): Document conversion and support
7565 2006-02-07 Jeff Law <law@redhat.com>
7567 * tree-vrp.c (find_conditional_asserts): Update comments.
7568 (simplify_stmt_for_jump_threading): New.
7569 (identify_jump_threads, finalize_jump_threads): New.
7570 (vrp_finalize): Call identify_jump_threads.
7571 (execute_vrp): Call finalize_jump_threads.
7572 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7573 (vrp_element, vrp_data, vrp_element_p): Remove.
7574 (vrp_hash_elt, vrp_variables_stack): Remove.
7575 (vrp_hash, vrp_eq, record_range): Remove.
7576 (simplify_cond_and_lookup_avail_expr): Remove.
7577 (extract_range_from_cond): Remove.
7578 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7579 (simplify_stmt_for_jump_threading): New.
7580 (dom_thread_across_edge): New wrapper.
7581 (tree_ssa_dominator_optimize): No longer initialize or
7582 finalize any of the VRP datastructures. Remove iteration
7583 step and simplify as a result of removal of iteration step.
7584 (pass_dominator): Perform a cfg cleanup after DOM.
7585 (dom_opt_finalize_block): Use the new common routines
7586 for threading jumps. Simplify stack management slightly.
7587 No longer need to unwind VRP state.
7588 (record_equivalences_from_incoming_edge): No longer record
7590 (eliminate_redundant_computations): No longer call
7591 simplify_cond_and_lookup_avail_expr.
7592 * tree-flow.h (potentially_threadable_block): Prototype.
7593 (thread_across_edge): Likewise.
7594 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7595 (tree-ssa-threadedge.o): Add dependencies.
7596 * tree-ssa-threadedge.c: New file.
7597 * passes.c (init_optimization_passes): Merge PHIs before
7598 calling VRP. Run VRP again late in the SSA optimization pipeline.
7600 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7602 * df-core.c (df_set_blocks): Do not dereference function pointers.
7603 (df_finish1): Likewise.
7604 (df_hybrid_search_forward): Likewise.
7605 (df_hybrid_search_backward): Likewise.
7606 (df_iterative_dataflow): Likewise.
7607 (df_analyze_problem): Likewise.
7608 (df_compact_blocks): Likewise.
7609 (df_dump): Likewise.
7610 * df-scan.c (df_rescan_blocks): Likewise.
7611 (df_record_entry_block_defs): Likewise.
7613 * genconditions.c (write_conditions): Guard the definition of
7614 'insn_conditions' with the check on GCC version.
7615 (write_writer): Guard the traversal 'insn_conditions' with
7616 the check on GCC version.
7618 2006-02-07 Richard Guenther <rguenther@suse.de>
7622 2006-01-30 Richard Guenther <rguenther@suse.de>
7624 * gimplify.c (gimplify_target_expr): Handle easy cases
7625 without creating a temporary.
7627 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7629 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7630 use of float in probability computations. Use edge probabilities
7631 in place of statically computed probabilities.
7632 (min_spec_prob): New static variable.
7633 (schedule_insns): Initialize it.
7634 (GET_SRC_PROB): Removed.
7635 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7637 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7640 * config/ia64/unwind-ia64.c: Revert last change.
7641 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7642 (INCOMING_FRAME_SP_OFFSET): Define.
7644 2006-02-06 Roger Sayle <roger@eyesopen.com>
7646 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7648 2006-02-07 Ben Elliston <bje@au.ibm.com>
7650 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7651 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7652 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7653 (ix86_return_in_memory): Handle TDmode.
7654 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7655 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7657 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7659 * reorg.c (dbr_schedule): Use dump_file instead of file.
7661 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7664 * config/ia64/predicates.md (extr_len_operand): New predicate.
7665 * config/ia64/ia64.md (extv): Tighten constraints.
7667 (*tbit_and_2): Ditto.
7668 (*tbit_and_3): Ditto.
7669 (*tbit_or_2): Ditto.
7670 (*tbit_or_3): Ditto.
7674 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7677 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7679 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7681 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7682 loop_optimizer_init and loop_optimizer_finalize
7683 * tree-ssa-sink.c (execute_sink_code): Ditto.
7684 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7685 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7686 tree_ssa_loop_done): Ditto.
7687 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7688 * sched-ebb.c: Include output.h.
7689 (schedule_ebbs): Do not use dump argument.
7690 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7691 * loop.c (loop_dump_stream): Removed.
7692 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7694 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7695 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7696 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7697 loop_iterations, strength_reduce, record_biv, record_giv,
7698 final_giv_value, check_final_value, check_ext_dependent_givs,
7699 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7700 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7701 dump_file instead of loop_dump_stream.
7702 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7704 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7706 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7707 * haifa-sched.c: Include output.h
7708 (schedule_insns, sched_init): Do not use dump argument.
7709 * mode-switching.c (optimize_mode_switching): Ditto.
7710 * modulo-sched.c (stats_file): Removed.
7711 (print_node_sched_params): Do not call argument dump_file.
7712 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7713 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7715 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7717 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7718 rtl_loop_init, rtl_loop_done): Ditto.
7719 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7720 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7722 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7723 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7724 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7725 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7726 * emit-rtl.c (renumber_insns): Ditto.
7727 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7728 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7729 * regclass.c (regclass): Ditto.
7730 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7731 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7732 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7733 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7735 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7736 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7738 * gcse.c (gcse_file, debug_stderr): Removed.
7739 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7740 rest_of_handle_gcse): Do not use dump argument.
7741 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7742 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7743 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7744 compute_code_hoist_vbeinout, compute_code_hoist_data,
7745 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7746 compute_store_table, build_store_vectors, insert_insn_start_bb,
7747 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7748 store_motion): Use dump_file instead of gcse_file.
7749 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7750 * profile.c (profile_dump_file): Removed.
7751 (branch_prob): Use dump_file instead of profile_dump_file.
7752 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7754 * tree-ssa-copy.c (dump_copy_of): Ditto.
7755 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7756 dump file to life_analysis.
7757 * bt-load.c (branch_target_load_optimize): Ditto.
7758 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7760 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7761 regclass, dbr_schedule): Declaration changed.
7762 * sched-int.h (sched_init): Declaration changed.
7763 * tree-profile.c (tree_profile_dump_file): Removed.
7764 (tree_profile_hooks): Removed profile_dump_file hook.
7765 * rtl-profile (rtl_profile_dump_file): Removed.
7766 (rtl_profile_hooks): emoved profile_dump_file hook.
7767 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7769 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7770 * tree-cfg.c (build_tree_cfg): Ditto.
7771 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7772 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7773 Declaration changed.
7774 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7775 life_analysis and schedule_insns.
7776 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7778 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7780 * config/mips/mips.c (mips_reorg): Ditto.
7781 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7784 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7786 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7787 (s390_mangle_fundamental_type): New.
7788 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7791 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7792 (alpha_mangle_fundamental_type): New.
7793 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7796 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7798 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7800 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7801 (sparc_mangle_fundamental_type): New.
7803 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7805 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7806 (s390x-*-linux*): Likewise.
7807 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7808 * config/s390/t-linux: New file.
7810 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7812 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7813 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7815 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7817 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7818 (ANTIC_SAFE_LOADS): New macro.
7819 (find_or_generate_expression): Add prototype.
7820 (set_contains_value): Allow null set for sake of not always having
7821 to allocate ANTIC_SAFE_LOADS.
7822 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7823 Allow COMPONENT_REF too.
7824 (valid_in_set): Allow COMPONENT_REF.
7825 Check ANTIC_SAFE_LOADS too.
7826 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7827 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7829 (can_PRE_operation): Add COMPONENT_REF.
7830 (create_component_ref_by_pieces): New function.
7831 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7832 (insert_aux): Move AGGREGATE_TYPE_P check here.
7833 (compute_avail): Set bb local stmt uids.
7834 (pass_pre): Use TODO_update_ssa_only_virtuals.
7836 2006-02-06 Ben Elliston <bje@au.ibm.com>
7838 * configure.ac: Unconditionally disable decimal float by default.
7839 * configure: Regenerate.
7841 2006-02-06 Ben Elliston <bje@au.ibm.com>
7843 * read-rtl.c (read_name): Terminate reading on EOF.
7845 2006-02-06 Ben Elliston <bje@au.ibm.com>
7847 * dfp.c (decimal_real_arithmetic): Change second argument type
7848 from int to enum tree_code. Do not always return true, but now
7849 return result of any call to decimal_do helper functions.
7850 * dfp.h (decimal_real_arithmetic): Update prototype.
7852 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7854 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7856 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7859 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7862 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7864 * tree-vrp.c (cfg_loops): Removed.
7865 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7866 Use current_loops instead of cfg_loops. Pass flags to
7867 loop_optimizer_init.
7868 * cfgloopmanip.c (fix_loop_structure): Update only available
7870 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7871 loop_optimizer_init.
7872 * modulo-sched.c (build_loops_structure): Removed.
7873 (sms_schedule): Use loop_optimizer_init.
7874 * loop-init.c (loop_optimizer_init): Use flags to determine
7875 which properties of loops to prepare.
7876 (rtl_loop_init): Pass flags to loop_optimizer_init.
7877 * tree-ssa-sink.c (execute_sink_code): Ditto.
7878 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7879 * tree-ssa-pre.c (init_pre): Ditto.
7880 * cfgloop.h (LOOPS_NORMAL): New.
7881 (loop_optimizer_init): Declaration changed.
7883 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7885 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7886 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7888 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7890 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7892 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7893 * pa/t-pa64: Delete quadlib.c rule.
7894 * pa/x-ada: Revert last change.
7895 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7897 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7899 PR rtl-optimization/26087
7900 * rtlanal.c (canonicalize_condition): Do not cross basic block
7903 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7906 * config/ia64/ia64.c: Include debug.h.
7907 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7908 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7909 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7910 (process_epilogue, process_set, process_for_unwind_directive):
7911 Output unwind info only if requested. Add CFA info if requested.
7912 Add new arguments as needed. Adjust callers.
7913 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7915 (DWARF2_FRAME_INFO): Define to zero.
7916 * config/ia64/unwind-ia64.c: Remove code that compensated for
7917 the CFA offset error fixed above.
7918 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7919 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7920 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7921 -funwind-tables and -fexceptions to enable frame info.
7922 (dwarf2out_frame_init): Define initial CFA even if
7923 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7924 DWARF2_UNWIND_INFO is nonzero, not just defined.
7925 (dwarf2out_frame_finish): Output non-EH call frame info only
7926 if DWARF2_FRAME_INFO is nonzero.
7927 (convert_cfa_to_loc_list,
7928 compute_frame_pointer_to_cfa_displacement): Define even if
7929 unwind info is not supported.
7930 (gen_subprogram_die): Use the above unconditionally. Remove
7931 legacy alternate code.
7932 * toplev.c (compile_file): Compile in call to
7933 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7934 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7936 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7937 Jakub Jelinek <jakub@redhat.com>
7939 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7940 IBM extended float format long double as "g" on powerpc*-linux.
7942 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7945 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7946 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7948 2006-02-03 Jason Merrill <jason@redhat.com>
7951 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7954 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7955 on the return slot if it's an NRV.
7957 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7959 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7960 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7961 rewrite_use): Do not handle USE_OUTER.
7962 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7963 add_iv_outer_candidates, may_replace_final_value,
7964 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7965 (find_interesting_uses_op): Functionality of
7966 find_interesting_uses_outer_or_nonlin moved here.
7967 (find_interesting_uses_outside): Use find_interesting_uses_op.
7969 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7972 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7974 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7975 Ulrich Weigand <uweigand@de.ibm.com>
7978 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7979 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7980 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7981 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7983 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7984 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7985 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7986 Define secondary reloads for TFmode moves.
7987 (constant_modes): Add TFmode.
7988 (NR_C_MODES): Set to 8.
7989 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7991 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7992 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7993 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7994 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7995 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7996 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7997 (FPR mode macro): Add TFmode.
7998 (DSF mode macro): New.
7999 (<de>, <dee> mode attributes): Removed.
8000 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8001 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8002 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8003 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8004 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8005 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8006 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8007 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8008 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8009 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8010 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8011 "*negabs<mode>2", "sqrt<mode>2"):
8012 Changed <de> to <xde>. R constraint replaced by <Rf>.
8013 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8015 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8016 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8017 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8019 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8020 "extenddftf2", "extendsftf2"): New expanders.
8021 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8022 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8023 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8024 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8026 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8027 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8028 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8029 __floatditf): Add a GCC_4.1.0 symbol version tag.
8030 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8033 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8036 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8037 Use targetm.binds_local_p instead of TREE_PUBLIC.
8039 2006-02-02 Roger Sayle <roger@eyesopen.com>
8041 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8042 on INTEGER_TYPEs to indicate that it denotes a character type.
8043 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8044 signed_char_type_node, unsigned_char_type_node and char_type_node.
8045 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8046 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8047 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8049 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8050 Daniel Berlin <dberlin@dberlin.org>
8052 * tree-tailcall.c (arg_needs_copy_p): New function.
8053 (eliminate_tail_call): Use arg_needs_copy_p.
8054 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8055 (add_virtual_phis): New function.
8057 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8059 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8060 #ignore instead of #scratch for %g7 .register directive.
8062 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8064 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8067 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8069 * flow.c (calculate_global_regs_live): Assert that there aren't any
8072 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8074 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8076 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8077 bsi_after_labels iterator.
8078 * tree-if-conv.c (find_phi_replacement_condition,
8079 replace_phi_with_cond_modify_expr): Likewise.
8080 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8081 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8083 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8085 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8087 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8090 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8091 array after growing it.
8093 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8096 * fold-const.c (fold_checksum_tree): Change type of buf.
8098 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8100 * reload.c (push_secondary_reload): Initialize t_icode.
8102 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8104 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8105 -msoft-float -mlong-double-128 only issue a warning, but don't
8106 swich to DFmode long double.
8108 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8110 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8111 has a constant equivalent, iterate over equivalents for arg0,
8112 calling simplify_relational_operation and if there's a result
8113 cheaper than X, apply fold_rtx and return the result.
8115 2006-02-01 Jan Hubicka <jh@suse.cz>
8117 * opts.c (no_unit_at_a_time_default): New global variable.
8118 (decode_options): Use it.
8119 * opts.h (no_unit_at_a_time_default): Declare.
8121 2006-02-01 Paul Brook <paul@codesourcery.com>
8123 * function.c (assign_parm_setup_reg): Use function argument promotion
8125 * expr.c (expand_expr_real_1): Use function argument promotion rules
8128 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8130 * gcc.c (process_command): Change j to 'unsigned int'.
8132 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8135 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8136 Use the corrected index for the character
8137 out of the string constant.
8139 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8141 * mode-switching.c (optimize_mode_switching): Fix size
8142 allocated for bb_info[n_entities].
8144 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8146 * gcc.c (main): Correct type that is allocated for
8147 explicit_link_files.
8149 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8151 * config/s390/s390.c (init_alignment_context): Set
8152 ALIAS_SET_MEMORY_BARRIER on the MEM.
8153 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8155 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8158 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8160 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8163 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8165 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8166 * regrename.c: Ditto.
8167 * tree-ssa-loop-im.c: Ditto.
8168 * tree-dump.c: Ditto.
8169 * tree-complex.c: Ditto.
8170 * genrecog.c: Ditto.
8171 * tree-ssa-threadupdate.c: Ditto.
8173 * java/class.c: Ditto.
8174 * java/jcf-parse.c: Ditto.
8175 * java/resource.c: Ditto.
8176 * java/except.c: Ditto.
8177 * java/jvspec.c: Ditto.
8178 * java/jcf-write.c: Ditto.
8179 * java/jcf-path.c: Ditto.
8180 * java/gjavah.c: Ditto.
8181 * java/zextract.c: Ditto.
8182 * java/jcf-io.c: Ditto.
8183 * java/jcf.h: Ditto.
8184 * java/buffer.c: Ditto.
8185 * java/lang.c: Ditto.
8186 * java/parse-scan.y: Ditto.
8187 * java/lex.c: Ditto.
8188 * java/lex.h: Ditto.
8189 * cfgloopmanip.c: Ditto.
8190 * postreload-gcse.c: Ditto.
8191 * tree-ssa-loop-manip.c: Ditto.
8192 * postreload.c: Ditto.
8193 * tree-ssa-loop-ch.c: Ditto.
8197 * diagnostic.c: Ditto.
8199 * genoutput.c: Ditto.
8201 * cfghooks.c: Ditto.
8202 * cfgloopanal.c: Ditto.
8203 * objc/objc-act.c: Ditto.
8205 * genextract.c: Ditto.
8206 * genautomata.c: Ditto.
8207 * pretty-print.c: Ditto.
8209 * cgraphunit.c: Ditto.
8212 * haifa-sched.c: Ditto.
8213 * dominance.c: Ditto.
8215 * tree-ssa-loop-ivopts.c: Ditto.
8217 * mode-switching.c: Ditto.
8218 * modulo-sched.c: Ditto.
8220 * ipa-pure-const.c: Ditto.
8222 * fix-header.c: Ditto.
8224 * tree-stdarg.c: Ditto.
8225 * ipa-utils.c: Ditto.
8226 * loop-init.c: Ditto.
8227 * ipa-inline.c: Ditto.
8230 * alloc-pool.c: Ditto.
8231 * dwarf2out.c: Ditto.
8233 * genattrtab.c: Ditto.
8234 * tree-ssa-loop-ivcanon.c: Ditto.
8238 * fortran/gfortranspec.c: Ditto.
8240 * local-alloc.c: Ditto.
8241 * langhooks.c: Ditto.
8242 * function.c: Ditto.
8243 * tree-vectorizer.c: Ditto.
8245 * ipa-type-escape.c: Ditto.
8247 * tree-if-conv.c: Ditto.
8250 * tree-data-ref.c: Ditto.
8251 * loop-unroll.c: Ditto.
8252 * treelang/treetree.c: Ditto.
8255 * ggc-common.c: Ditto.
8257 * coverage.c: Ditto.
8259 * tree-cfgcleanup.c: Ditto.
8260 * tree-ssa-pre.c: Ditto.
8261 * cfgcleanup.c: Ditto.
8262 * loop-invariant.c: Ditto.
8264 * ipa-prop.c: Ditto.
8265 * print-tree.c: Ditto.
8266 * conflict.c: Ditto.
8267 * ggc-page.c: Ditto.
8268 * sched-deps.c: Ditto.
8269 * regclass.c: Ditto.
8270 * tree-object-size.c: Ditto.
8272 * bb-reorder.c: Ditto.
8273 * resource.c: Ditto.
8274 * var-tracking.c: Ditto.
8276 * df-problems.c: Ditto.
8277 * reg-stack.c: Ditto.
8280 * sched-rgn.c: Ditto.
8281 * tree-ssa-structalias.c: Ditto.
8282 * tree-ssa-reassoc.c: Ditto.
8283 * config/darwin-c.c: Ditto.
8284 * config/darwin.c: Ditto.
8285 * config/arm/arm.c: Ditto.
8287 * collect2.c: Ditto.
8290 2006-01-31 Nicolas Pitre <nico@cam.org>
8292 * arm.md (smaxsi3): Make aware of smax_m1.
8295 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8297 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8299 2006-01-31 Richard Guenther <rguenther@suse.de>
8301 * doc/invoke.texi (-msselibm): Document.
8302 * target.h (expand_library_builtin): New target hook.
8303 * builtins.c (expand_builtin): Use expand_library_builtin.
8304 (default_expand_library_builtin): New function.
8305 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8306 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8307 (link_gcc_math_spec): Declare.
8308 (static_specs): Add link_gcc_math_spec.
8309 * expr.h (default_expand_library_builtin): Declare.
8310 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8311 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8312 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8313 * config/i386/i386.opt (msselibm): New target option.
8314 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8315 (ix86_init_sse_abi_builtins): New function.
8316 (ix86_expand_library_builtin): Likewise.
8317 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8318 (override_options): Handle error conditions wrt -msselibm.
8319 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8320 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8321 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8324 2006-01-31 Richard Guenther <rguenther@suse.de>
8325 Paolo Bonzini <bonzini@gnu.org>
8327 * doc/install.texi (--disable-libgcc-math): Document.
8329 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8331 * expr.h (expand_normal): new inline function.
8332 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8334 * dwarf2out.c: use it.
8339 * config/sparc/sparc.c: use it.
8340 * config/i386/i386.c: use it.
8341 * config/rs6000/rs6000.c: use it.
8342 * config/arm/arm.c: use it.
8343 * config/mips/mips.c: use it.
8344 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8346 2006-01-30 Roger Sayle <roger@eyesopen.com>
8348 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8349 argv to the appropriate type.
8351 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8353 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8356 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8359 * config/s390/s390.c (struct machine_function): New flag
8360 decomposed_literal_pool_addresses_ok_p.
8361 (s390_reorg): Set it before final stage of literal pool transforms.
8362 (s390_decompose_address): Only accept displacements of the form
8363 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8365 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8367 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8368 the comparison routine return.
8370 2006-01-30 Michael Matz <matz@suse.de>
8372 * global.c (find_reg): Only evict for global regs.
8373 Take n_refs into account and dump more info.
8375 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8378 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8379 (pragma_trap, pragma_nosave_low_regs): Likewise.
8380 (current_function_anonymous_args): Likewise.
8381 (sh_deferred_function_attributes): New variable.
8382 (sh_deferred_function_attributes_tail): Likewise.
8383 (print_operand): For '@', look up trap_exit attribute.
8384 (calc_live_regs): Look up trapa_handler attribute. For trapa
8385 handlers, save/restore fpscr, but don't do any other
8386 interrupt-specific saves.
8387 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8388 Fix check for partially saved registers to check for SHmedia.
8389 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8390 (sh_output_function_epilogue): Don't clear any of the removed
8392 (sh_insert_attributes): Don't check pragma_interrupt.
8393 Insert deferred attributes. Check that interrupt attribute is
8394 present for other attributes that require its presence.
8395 (sh_attribute_table): Add new attributes trapa_handler and
8397 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8398 Don't check for pragma_interrupt. Don't store argument.
8399 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8400 (sh_deferred_function_attributes): Declare.
8401 (sh_deferred_function_attributes_tail): Likewise.
8402 * sh.md (sp_switch_1): Add operand. Change generator caller.
8403 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8404 (*return_i): Don't use when trap_exit attribute is in effect.
8405 (*return_trapa): New insn pattern.
8407 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8408 setting c_target_objs and cxx_target_objs.
8409 * t-sh: Add rule for sh-c.o.
8411 2006-01-30 Richard Guenther <rguenther@suse.de>
8414 * gimplify.c (gimplify_target_expr): Handle easy cases
8415 without creating a temporary.
8417 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8419 * vec.h (safe_grow): Remove duplicated line.
8421 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8424 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8425 (expand_omp): ... here.
8426 (expand_omp_parallel): Only remove barriers for combined
8427 parallel+workshare constructs.
8429 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8433 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8434 * tree.c (build_qualified_type): Chain the new type to the original
8435 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8436 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8437 (build_pointer_type_for_mode): Only return unqualified types.
8438 (build_reference_type_for_mode): Likewise.
8440 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8442 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8443 * Makefile.in (CXX_COMPAT_WARN): Define.
8444 * configure: Regenerate.
8446 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8449 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8452 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8454 * toplev.c: Fix thinko.
8456 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8457 Marcin Dalecki <martin@dalecki.de>
8459 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8460 (push_srcloc): Use XNEW.
8461 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8463 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8465 * df-core.c (df_set_blocks): Deleted all variable.
8467 2006-01-28 Ian Lance Taylor <ian@airs.com>
8469 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8470 cgraph_output_pending_asms.
8472 2006-01-28 Zack Weinberg <zackw@panix.com>
8474 * c.opt: Add -W(no-)overlength-strings.
8475 * doc/invoke.texi: Document it.
8476 * c-opts.c (c_common_handle_option): -pedantic implies
8477 -Woverlength-strings, if not explicitly disabled already.
8478 (c_common_post_options): -Woverlength-strings defaults to off, and
8479 is always off for C++.
8480 * c-common.c (fix_string_type): Issue warning about strings longer
8481 than is portable only if warn_overlength_strings. Rearrange code
8482 a little for clarity.
8483 * configure.in: Check for -Wno-overlength-strings as well before
8484 enabling -pedantic in stage 1.
8485 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8486 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8488 * genconditions.c (write_header, write_one_condition)
8489 (write_conditions, write_writer): Consolidate very long strings
8490 that were broken up to fit in C89 portable limit. Don't use
8491 printf when fputs will do.
8493 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8495 * combine.c (simplify_comparison <AND>): Check
8496 TRULY_NOOP_TRUNCATION before start using a subreg.
8498 * config/mips/mips.md (*branch_zero<mode>,
8499 *branch_zero<mode>_inverted, *branch_equality<mode>,
8500 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8501 Remove mode check from comparisons.
8503 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8505 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8507 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8509 * expmed.c (const_mult_add_overflow_p): Remove.
8510 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8512 * recog.c (validate_replace_rtx_subexp): Remove.
8513 * recog.h: Remove the prototype for
8514 validate_replace_rtx_subexp.
8516 * integrate.h: Remove the prototype for
8517 copy_decl_for_inlining.
8518 * rtl.h: Remove the prototype for mark_constant_function.
8519 * tree-vectorizer.h: Remove the prototype for
8520 vect_strip_conversion.
8522 * modulo-sched.c (create_partial_schedule,
8523 free_partial_schedule, reset_partial_schedule): Make them
8526 * hooks.c (hook_bool_rtx_int_false): Remove.
8527 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8529 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8531 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8532 and -mlong-double-128 are incompatible.
8533 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8534 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8535 (TARGET_LIBGCC2_CFLAGS): Define.
8536 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8537 (TARGET_LIBGCC2_CFLAGS): Same.
8538 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8540 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8543 * c-typeck.c (build_binary_op): Perform implicit casts of
8544 operands before shortening them.
8546 * cfgloopmanip.c (split_loop_bb): Remove.
8547 * cfgloop.h: Remove the prototype for split_loop_bb.
8549 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8550 * cfgloop.h: Remove the prototype for
8551 flow_loop_outside_edge_p.
8553 * emit-rtl.c (init_virtual_regs): Make it static.
8554 * function.h: Remove the prototype for init_virtual_regs.
8556 * recog.c (peephole2_optimize): Make it static.
8557 * recog.h: Remove the prototype for peephole2_optimize.
8559 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8561 * df-scan.c (df_record_entry_block_defs): Check if
8562 INCOMING_RETURN_ADDR_RTX is defined.
8564 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8565 Kenneth Zadeck <zadeck@naturalbridge.com>
8567 PR rtl-optimization/24762
8568 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8569 * targhooks.c (hook_void_bitmap): New hook prototype.
8570 * targhoohs.h (hook_void_bitmap): Ditto.
8571 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8572 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8573 * target.h (live_on_entry): New function pointer.
8574 * df-scan.c (df_all_hard_regs): Removed.
8575 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8576 (df_scan_free_internal): Added df->entry_block_defs.
8577 (df_scan_alloc): Ditto.
8578 (df_scan_dump): Ditto.
8579 (df_uses_record): Plumbed flag field properly thru calls.
8580 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8581 This part fixes PR24762.
8582 (df_bb_refs_record): Added code to make the frame and arg
8583 pointers live in EH blocks.
8584 (df_refs_record): Added call to df_record_entry_block_defs.
8585 (df_record_entry_block_defs): New function.
8586 * df-core.c: Added comments to describe new artifical defs.
8587 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8588 (entry_block_defs): New field in struct df.
8589 (df_all_hard_regs): Deleted.
8590 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8591 * df-problems.c (df_ru_bb_local_compute_process_def):
8592 Added code to handle artifical defs in the entry to a function.
8593 (df_ru_bb_local_compute): Ditto.
8594 (df_rd_bb_local_compute_process_def): Ditto.
8595 (df_rd_bb_local_compute): Ditto.
8596 (df_lr_bb_local_compute): Ditto.
8597 (df_ur_bb_local_compute): Ditto.
8598 (df_urec_bb_local_compute): Ditto.
8599 (df_chain_create_bb): Ditto.
8600 (df_ur_local_finalize): Removed entry.
8601 (df_urec_init): Ditto.
8602 (df_urec_local_finalize): Ditto.
8603 (df_ri_bb_compute): Added detection of last use of pseudos.
8604 * Makefile.in (df-scan.o): Updated dependencies.
8605 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8606 * config/mips/mips.c (mips_set_live_on_entry): Added.
8607 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8609 * dce.c (marked_insn_p): Added code to handle artifical defs.
8611 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8613 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8615 (_mm_cvtsi128_si64): Likewise.
8616 (_mm_cvtsd_si64): Likewise.
8617 (_mm_cvttsd_si64): Likewise.
8618 (_mm_cvtsi64_sd): Likewise.
8619 (_mm_cvtsi64_si128): Likewise.
8620 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8621 (_mm_cvtsi64_m64): Likewise.
8622 (_m_to_int64): Likewise.
8623 (_mm_cvtm64_si64): Likewise.
8624 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8625 (_mm_cvttss_si64): Likewise.
8626 (_mm_cvtsi64_ss): Likewise.
8627 (_mm_cvtss_f32): Likewise.
8629 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8631 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8632 for pragma redefine_extname.
8634 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8637 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8638 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8639 -mno-minimal-toc to previous content.
8640 (bispecs): Remove goal.
8641 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8642 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8643 compatibility aliases on powerpc-*-*gnu*.
8644 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8645 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8646 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8647 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8648 (ldblspecs): New goal.
8649 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8650 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8652 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8653 L_sf_to_tf or L_df_to_tf is defined.
8655 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8656 Alan Modra <amodra@bigpond.net.au>
8659 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8660 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8661 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8662 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8663 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8664 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8665 (rs6000_override_options): Initialize rs6000_ieeequad.
8666 Initialize TFmode format to ibm_extended_format if not
8668 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8670 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8671 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8672 (function_arg_advance): IBM long double passed in two FPRs, not
8674 (function_arg): IBM long double passed in FPRs.
8675 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8676 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8677 Only multireg GPR aligned.
8678 (rs6000_init_libfuncs): Enable IBM long double functions if not
8680 (rs6000_generate_compare): Use IBM long double compare if not
8682 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8683 (TARGET_IEEEQUAD): Define.
8684 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8685 not TARGET_IEEEQUAD.
8686 * config/rs6000/rs6000.md: Enable TFmode patterns if
8688 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8689 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8690 and -mlong-double-128 are incompatible.
8691 * doc/invoke.texi (-mabi): Collect options together. Add
8692 ibmlongdouble and ieeelongdouble.
8694 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8696 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8698 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8699 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8700 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8701 * rtl.h (rtunion_def): Remove rt_ptr.
8703 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8704 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8705 * config/i386/winnt.c (i386_pe_mark_dllexport)
8706 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8708 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8710 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8712 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8716 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8717 pthread_key_delete. From John David Anglin. gthrw-ify
8718 pthread_getunique_np only if it it's not a macro. Delete
8720 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8721 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8722 __gthread_objc_condition_signal, __gthread_key_delete): Add
8723 "__attribute__ ((__unused__))" to unused arguments.
8724 (__gthread_recursive_mutex_init_function): Add missing return.
8725 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8726 gthr-posix95.h: Use macro-based approach for name redirection
8727 on targets missing weakref.
8729 2006-01-26 Zack Weinberg <zackw@panix.com>
8731 * genconditions.c (write_header): In generated code, #ifdef out
8732 all includes and fake declarations, except includes of bconfig.h
8733 and system.h, unless GCC_VERSION >= 3001. Do not include
8734 gensupport.h in any case.
8735 (write_conditions): Generate a definition of struct c_test. Add
8736 a comment to the generated #endif.
8737 (write_one_condition): Escape backslashes in string too.
8738 (write_writer): Generated code must escape backslashes and quote
8739 marks (but not newlines) in the strings it writes.
8740 * Makefile.in (build/gencondmd.o): Update dependencies.
8742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8745 * Makefile.in (insn-automata.o): Add header file dependencies.
8746 * genautomata.c: Add includes.
8748 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8751 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8753 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8755 * configure.ac: Expect target tools paths to be passed from the toplevel
8756 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8758 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8760 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8763 * c.opt (Wpointer-sign): Init to -1.
8764 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8765 OPT_pedantic, to 0 otherwise.
8766 * doc/invoke.texi: Update.
8768 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8770 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8771 constants provided by 80387 instructions in the destination mode.
8773 2006-01-26 Richard Guenther <rguenther@suse.de>
8774 Andrew Pinski <pinskia@physics.uc.edu>
8777 partial PR tree-opt/17064
8778 * tree-ssa-structalias.c (intra_create_variable_infos):
8779 Create heap variables for incoming parameters if
8780 flag_argument_noalias > 1.
8781 (find_what_p_points_to): Look through default defs of
8784 2006-01-26 Jeff Law <law@redhat.com>
8787 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8788 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8789 within the VR_RANGE, use the VR_RANGE as the result, not the
8791 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8792 bounds for the type.
8794 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8796 * tree-ssa-alias.c (maybe_create_global_var): Change
8797 subvar walking to an assertion that we don't have subvar'd variables.
8799 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8802 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8803 Use a new variable, inner. PARM_DECLs are always non-weak.
8805 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8807 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8810 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8812 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8814 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8816 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8817 (smax_insn, smin_insn, smax_0, smin_0): New.
8819 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8822 * config/cris/cris.c (cris_order_for_addsi3): New function.
8823 * config/cris/cris-protos.h: Prototype it.
8824 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8825 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8826 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8827 (split for "op.S1 [rx=rx+i],ry (swapped)")
8828 (split for "op(s|u).S1 [rx=rx+i],ry")
8829 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8830 Apply cris_order_for_addsi3 when generating addsi3 insns.
8832 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8834 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8835 (TREE_BLOCK): Add call to EXPR_CHECK.
8837 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8840 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8841 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8842 (dump_omp_clauses): ... here.
8843 (dump_generic_node): Handle OMP_CLAUSE.
8844 * tree.c (omp_clause_num_ops): New.
8845 (omp_clause_code_name): New.
8846 (tree_code_size): Handle OMP_CLAUSE.
8847 (tree_size): Likewise.
8848 (make_node): Document handling of OMP_CLAUSE.
8849 (tree_node_structure): Handle OMP_CLAUSE.
8850 (omp_clause_check_failed): New.
8851 (omp_clause_range_check_failed): New.
8852 (omp_clause_operand_check_failed): New.
8853 (build_omp_clause): New.
8854 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8855 * tree.h (enum omp_clause_code): Declare.
8856 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8857 (OMP_CLAUSE_RANGE_CHECK): Define.
8858 (OMP_CLAUSE_ELT_CHECK): Define.
8859 (omp_clause_check_failed): Declare.
8860 (omp_clause_operand_check_failed): Declare.
8861 (omp_clause_range_check_failed): Declare.
8862 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8863 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8864 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8865 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8866 (OMP_CLAUSE_IF_EXPR): Likewise.
8867 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8868 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8869 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8870 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8871 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8872 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8873 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8874 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8875 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8876 (OMP_CLAUSE_CODE): Define.
8877 (OMP_CLAUSE_SET_CODE): Define.
8878 (OMP_CLAUSE_CODE): Define.
8879 (OMP_CLAUSE_OPERAND): Define.
8880 (struct tree_omp_clause): Declare.
8881 (union tree_node): Add field 'omp_clause'.
8882 * treestruct.def (TS_OMP_CLAUSE): Define.
8883 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8884 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8885 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8886 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8887 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8888 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8889 (OMP_CLAUSE): Define.
8890 * print-tree.c (print_node): Handle OMP_CLAUSE.
8891 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8892 * c-typeck.c: Likewise.
8893 * gimplify.c: Likewise.
8894 * c-omp.c: Likewise.
8895 * tree-nested.c: Likewise.
8896 * tree-inline.c: Likewise.
8897 * c-parser.c: Likewise.
8898 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8901 2006-01-25 Roger Sayle <roger@eyesopen.com>
8903 PR rtl-optimization/25703
8904 * combine.c (try_combine): Handle zero_extract and strict_low_part
8905 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8907 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8909 * global.c: Fix comment typos.
8911 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8914 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8915 Use output_addr_const instead of assemble_name.
8917 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8919 * Makefile.in (sched-vis.o): Update dependencies.
8920 * haifa-sched.c (sched_finish): Clear current_sched_info.
8921 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8922 (dump_flow_info): Call it.
8923 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8925 * basic-block.h (dump_bb_info): Declare.
8926 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8927 option, and apply options only for dump files whose TDF_RTL,
8928 TDF_TREE, or TDF_IPA bits match.
8929 * rtl.h: Declare new functions exported from sched-vis.c.
8930 * sched-vis.c: Enable also if scheduling is not used.
8931 (print_value): Print the mode of registers if not inside scheduling.
8932 (print_insn): Make it work outside the scheduler. Beautify the output
8934 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8936 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8938 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8939 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8940 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8941 depending on the value of CONSTANT_POOL_ADDRESS_P.
8942 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8944 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8945 rather than SYMBOL_REF_DECL.
8946 (rtx_constant_pool): Remove const_rtx_sym_htab.
8947 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8948 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8949 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8950 Remove handling of const_rtx_sym_htab.
8951 (find_pool_constant): Delete.
8952 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8953 rather than find_pool_constant.
8954 (get_pool_constant_for_function): Delete.
8955 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8957 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8958 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8959 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8960 (SYMBOL_REF_CONSTANT): New macro.
8961 (get_pool_constant_for_function): Delete.
8962 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8963 rather than SYMBOL_REF_DECL.
8964 (i386_pe_mark_dllimport): Likewise.
8965 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8966 rather than SYMBOL_REF_DECL.
8967 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8968 (machopic_indirect_call_target): Likewise.
8970 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8972 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8974 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8976 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8978 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8980 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8982 2006-01-24 David Daney <ddaney@avtrex.com>
8985 * configure.ac (enable_tls): New enable option.
8986 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8987 * configure: Regenerate.
8988 * doc/install.texi (--enable-tls): Document new option.
8989 (--disable-tls): Ditto.
8991 2006-01-24 Richard Henderson <rth@redehat.com>
8993 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8994 * alias.c (true_dependence): Respect it.
8995 (canon_true_dependence, write_dependence_p): Likewise.
8996 * builtins.c (get_builtin_sync_mem): Set it.
8998 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9000 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9003 2006-01-24 DJ Delorie <dj@redhat.com>
9005 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9006 for storing constants in single-bit bitfields.
9008 2006-01-25 Ben Elliston <bje@au.ibm.com>
9010 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9012 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9015 * tree-ssa-pre.c (phi_translate): Return NULL
9016 for AGGREGATE_TYPE's.
9018 2006-01-24 Zack Weinberg <zackw@panix.com>
9020 * genautomata.c (process_state_for_insn_equiv_partition):
9021 Use xcalloc for insn_arcs_array.
9022 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9023 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9025 2006-01-24 Richard Henderson <rth@redhat.com>
9027 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9030 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9032 PR rtl-optimization/25890
9033 PR rtl-optimization/25905
9034 * combine.c (expand_compound_operation, expand_field_assignment):
9035 Fail if the bitfield's final position is out of bounds.
9037 2006-01-24 Ian Lance Taylor <ian@airs.com>
9040 * cgraphunit.c (cgraph_output_in_order): Don't clear
9041 cgraph_asm_nodes until after asm strings have been output.
9043 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9045 * fix-header.c (read_scan_file): Add new parameter imultilib when
9046 calling register_include_chains.
9048 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9050 * omp-low.c: Update documentation.
9052 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9053 Daniel Berlin <dberlin@dberlin.org>
9057 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9058 return from the function.
9060 2006-01-22 Zack Weinberg <zackw@panix.com>
9062 * rtl.def (match_code): Add second argument.
9063 * genpreds.c (write_extract_subexp): New function.
9064 (write_match_code): Add path argument. Use write_extract_subexp.
9065 (write_predicate_expr): Pass path to write_match_code.
9066 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9067 not perform a mode test.
9068 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9069 a subexpression does not constrain the top-level code set.
9070 * read-rtl.c (read_rtx_variadic): New function.
9071 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9072 * doc/md.texi: Document new notation.
9073 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9074 (cmpsi_operand): ... here, using new notation.
9076 2006-01-22 Zack Weinberg <zackw@panix.com>
9078 * varray.c: Remove GENERATOR_FILE #ifdefs.
9080 2006-01-22 Zack Weinberg <zackw@panix.com>
9082 * genautomata.c (output_reserved_units_table): Emit nothing if
9083 description->query_units_num is zero. Remove extra blank line.
9084 (output_cpu_unit_reservation_p): Short circuit
9085 if description->query_units_num is zero.
9087 2006-01-22 Zack Weinberg <zackw@panix.com>
9089 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9090 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9091 nor any of the random handful of variables that used to be necessary
9092 when this program was linked with rtlanal.o. Prune set of forward
9093 function declarations.
9094 (struct attr_desc): Remove static_p field.
9095 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9096 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9097 (attr_string): Do not read the character one past the length of
9099 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9100 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9101 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9102 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9103 (make_automaton_attrs): New.
9104 (main): Do not call into genautomata. Call local gen_bypass
9105 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9106 Remove special case for insn_alts.
9107 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9108 varray.h (leftover from previous change). Prune set of forward
9109 function declarations. Remove state_alts fields from all
9110 structures. Remove state_alts_table from struct automaton.
9111 Make everything except main static. Do not maintain num_dfa_decls.
9112 Do not maintain state_alts fields of various structures.
9113 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9114 (add_arc): Remove state_alts argument. All callers updated.
9115 (output_reserved_units_table): Emit #ifdef here...
9116 (output_tables): ...not here. Don't generate state_alts tables.
9117 (expand_automata): Don't generate attributes.
9118 (write_automata): Don't generate state_alts functions.
9119 (main): New function.
9120 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9121 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9122 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9123 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9124 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9125 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9126 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9127 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9129 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9130 * genattrtab.h: Delete file.
9131 * Makefile.in (OBJS-common): Add insn-automata.o.
9132 (insn-automata.o): New rule.
9133 (simple_generated_c): Add insn-automata.c.
9134 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9135 (genprogmd): Add automata.
9136 (build/genattrtab): Needs no extra objects nor libraries.
9137 (build/genautomata): Needs build/vec.o and -lm.
9139 2006-01-22 Zack Weinberg <zackw@panix.com>
9141 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9142 (output_dfa_max_issue_rate, locked_states_num): Delete.
9143 (struct automaton): Add locked_states field.
9144 (output_dead_lock_vect): Save number of locked states in
9145 automaton->locked_states. If it is zero, don't print anything.
9146 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9147 (output_internal_dead_lock_func): Only test the dead_lock_vect
9148 for automata that have locked states.
9149 (output_statistics): Always print the number of locked states for
9150 each automaton. Calculate total number of locked states here.
9151 (write_automata): Don't call output_dfa_max_issue_rate.
9152 * genattrtab.c: Define length_unit_log as a const variable.
9153 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9154 max_insn_queue_index const.
9155 * final.c (length_unit_log): Declare const.
9156 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9158 2006-01-22 Zack Weinberg <zackw@panix.com>
9160 * genautomata.c: Include vec.h, not varray.h.
9161 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9162 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9163 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9164 VEC_* macros operating on appropriately typed vectors, or to
9165 malloced arrays when the size is known in advance. Const-ify
9166 many char* variables and function arguments. No functional changes.
9167 * Makefile.in (build/varray.o): Delete rule.
9168 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9169 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9171 2006-01-22 Zack Weinberg <zackw@panix.com>
9173 * gensupport.c: Define get_insn_name and record_insn_name here.
9174 (read_md_rtx): Call record_insn_name as appropriate.
9175 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9176 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9177 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9179 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9180 (BUILD_VARRAY): Delete.
9181 (genprognormal): Rename genprogmd. Fold in all programs from
9182 genprognoprint; also attrtab.
9183 (build/genattrtab): Just mention genautomata.o and varray.o.
9184 Reorganize a bit, add comments to make the categories clearer.
9186 2006-01-22 Zack Weinberg <zackw@panix.com>
9188 * genconditions.c (condition_table, add_condition): Delete.
9189 (write_conditions): Don't emit n_insn_conditions nor
9190 insn_elision_unavailable. Issue the gcc version #ifdef here,
9191 inside the table, with no #else clause ...
9192 (write_header): ...not here.
9193 (write_writer): New function.
9194 (main): Don't initialize condition_table. Use add_c_test.
9196 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9197 files on the command line.
9198 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9199 Return -1 if there is no entry in the table, don't abort.
9200 (add_c_test, traverse_c_tests): New functions.
9201 * gensupport.h (insn_elision_unavailable, insn_conditions)
9202 (n_insn_conditions): Delete declarations.
9203 (add_c_test, traverse_c_tests): Declare.
9204 * read-rtl.c: Include gensupport.h.
9205 (read_conditions): New function.
9206 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9207 (read_rtx_1): If we get EOF when we were looking for an initial
9208 open paren, return 0. Call read_conditions when appropriate.
9209 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9210 dummy-conditions.o. Eliminate references to insn-conditions.o,
9211 or change them to build/gencondmd.o, as appropriate. Remove
9212 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9213 from $(simple_generated_c). For all files remaining in those
9214 two lists, add insn-conditions.md to the generator command line.
9215 Give insn-constants.h/s-constants their own rules. Add rules
9216 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9217 (build/read-rtl.o): Depend on gensupport.h.
9218 (genprognormal): Include preds.
9219 (genprogearly): Rename genprognoprint; only difference is now that
9220 they don't link with $(BUILD_PRINT).
9221 * dummy-conditions.c: Delete.
9223 2006-01-22 Zack Weinberg <zackw@panix.com>
9225 * genextract.c: Don't include insn-config.h. Do include vec.h.
9226 Declare vectors of int, char, and locstr.
9227 (locstr): New typedef.
9228 (struct extraction): Make all array fields into bare pointers.
9229 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9230 (insn_code_number): Delete.
9231 (accum_extract): New struct.
9232 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9233 (gen_insn): Take insn_code_number as an argument. Use an
9234 accum_extract structure instead of loading data directly into
9235 a struct extraction, and having to know how big it might get.
9236 (walk_rtx): Operate entirely on an accum_extract structure.
9237 (print_path): Avoid unnecessary use of printf.
9238 (print_header): New function, split out of main. Distinguish
9239 more carefully between an unrecognizable insn and an insn that
9240 has the code number of a define_expand.
9241 (main): Pass insn_code_number to gen_insn. Call print_header
9242 only after parsing. Avoid unnecessary use of printf.
9243 * Makefile.in (build/vec.o): New rule.
9244 (build/genextract): Depend on build/vec.o.
9245 (build/genextract.o): Don't depend on insn-config.h.
9247 2006-01-22 Zack Weinberg <zackw@panix.com>
9249 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9250 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9251 practical. Eliminate per-generator-program link rules.
9253 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9256 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9257 with a call expr to ...
9258 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9260 2006-01-23 Richard Guenther <rguenther@suse.de>
9262 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9263 before make_edge with conditional EDGE_TRUE_VALUE.
9265 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9266 Jan Hubicka <jh@suse.cz>
9267 Richard Guenther <rguenther@suse.de>
9269 PR rtl-optimization/25654
9270 * cfgexpand.c (aggregate_contains_union_type): New function.
9271 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9272 for structure variables that contain a union type.
9274 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9276 * gengtype.c (new_structure): Return the structure.
9277 (create_option): Add an extra "next" argument.
9278 (create_field): New function.
9279 (adjust_field_rtx_def): Use create_option and create_field.
9280 Remove a now-unnecessary call to find_structure.
9281 (adjust_field_tree_def): Likewise.
9282 (note_yacc_type): Remove an unnecessary call to find_structure.
9283 * gengtype.h (new_structure): Return the structure.
9284 (create_option): Add an extra argument.
9285 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9286 (option): Adjust calls to create_option.
9288 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9290 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9292 2006-01-22 Paul Brook <paul@codesourcery.com>
9293 Peter Barada <peter@the-baradas.com>
9295 * config/m68k/m68k.md: Add Coldfire FPU support.
9296 Define FP mode macro and associated attributes.
9297 Use it for float mode patterns.
9298 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9299 (LIBCALL_VALUE): Use m68k_libcall_value.
9300 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9301 (m68k_function_value): Ditto.
9302 (emit_move_sequence): Ditto.
9303 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9304 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9305 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9306 (MULTILIB_EXCEPTIONS): Ditto.
9307 * config/m68k/m68k.opt: Add mcfv4e.
9308 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9309 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9310 (m68k_output_function_prologue): Save ColdFire FPU registers.
9311 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9312 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9313 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9314 ColdFire FPU registers.
9315 (m68k_libcall_value, m68k_function_value): New functions.
9316 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9317 (LIBCALL_VALUE): Use m68k_libcall_value.
9318 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9319 (MASK_COLDFIRE): Add MASK_CFV4E.
9320 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9321 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9322 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9323 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9324 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9325 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9326 * doc/invoke.tex: Document -mcfv4e on m68k.
9328 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9330 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9333 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9336 * c-opts.c (c_common_handle_option): Don't include
9337 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9338 * doc/invoke.texi (C++ Dialect Options): Document that
9339 -Wnon-virtual-dtor is no longer included in -Wall.
9341 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9343 * gcov.c (print_version), gcov-dump.c (print_version),
9344 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9347 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9349 * df-scan.c (problem_SCAN): Added NULL reset function.
9350 (df_scan_reset_blocks): Added code to call reset block function
9351 (df_bb_refs_delete) Fixed comment.
9352 (df_insn_refs_delete): Made tolerant of deleting non existent info
9353 for dataflow problems that need to be reset.
9354 * df-core.c (df_set_blocks): Ditto.
9355 * df.h (struct df_problem): Added reset_fun.
9356 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9357 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9358 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9359 functions to clear out all references to def-use or use-def chains.
9361 2006-01-21 Ben Elliston <bje@au.ibm.com>
9363 * varasm.c (assemble_real): Initialise data array.
9365 2006-01-20 Paul Brook <paul@codesourcery.com>
9367 Merge from csl-arm-branch.
9368 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9369 * config/arm/arm.md (movdi): Force operands[1] to a register
9370 if we have a non-register source.
9371 (*arm_movdi, *movdf_soft_insn): Require that one of the
9372 operands be a register.
9373 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9374 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9376 2006-01-20 DJ Delorie <dj@redhat.com>
9378 * varasm.c (initialize_constant_valid_p): Allow pointers
9379 initialized from integer constants of lesser precision.
9380 (output_constant): Allow non-int-sized pointer modes to be
9381 initialized from integer constants.
9383 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9386 * cppdefault.h (struct default_include): Add multilib flag.
9387 * cppdefault.c (cpp_include_defaults): Set it.
9388 * c.opt (-imultilib): New option.
9389 * c-opts.c (imultilib): New.
9390 (c_common_handle_option): Handle -imultilib.
9391 (c_common_post_options): Likewise.
9392 * c-incpath.c (add_standard_paths, register_include_chains):
9394 * c-incpath.h (register_include_chains): Add extra parameter.
9395 * gcc.c (do_spec_1): Generate -imultilib option.
9396 (The Specs Language): Update %I description.
9397 (process_command): Update copyright notice.
9398 * doc/cppopts.texi (-imultilib): Document.
9399 * doc/invoke.texi (-imultilib): Include in option summary.
9400 (%I): Update specs documentation.
9402 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9404 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9406 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9408 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9411 2006-01-20 Richard Guenther <rguenther@suse.de>
9412 Steven Bosscher <stevenb.gcc@gmail.com>
9414 PR rtl-optimization/24626
9415 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9416 EDGE_TRUE_VALUE if in RTL mode.
9419 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9420 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9422 2006-01-20 Dirk Mueller <dmueller@suse.com>
9425 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9426 instead of a special NOP marker.
9427 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9428 NOP marker handling.
9429 * c-common.h (empty_body_warning): Add forward declaration.
9430 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9431 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9433 2006-01-20 Paul Brook <paul@codesourcery.com>
9435 * Makefile.in (lang_checks): Keep going if mkdir fails.
9437 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9439 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9440 be able to clean out basic block when not necessary.
9441 (df_scan_free): Fixed to properly delete information if df is
9442 unused before calling df_finish.
9443 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9444 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9446 (df_bb_refs_delete): New function.
9447 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9448 * df-core.c (df_set_blocks): Added code to properly clean out
9449 unused blocks if they are not part of the blocks to consider.
9450 Added additional null check.
9451 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9452 be able to clean out basic block when not necessary
9453 * df.h (df_free_bb_function): Ditto.
9454 (df_bb_refs_delete): New function.
9455 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9456 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9457 basic block parameter to be able to clean out basic block when not
9459 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9460 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9461 Fixed to properly delete information if df is unused before
9464 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9466 PR rtl-optimization/25799
9467 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9468 Corrected confluence operator to remove bits from op2 before oring
9469 with op1 rather than removing bits from op1.
9470 (df_ru_transfer_function): Corrected test on wrong bitmap which
9471 caused infinite loop. Both of these problems were introduced in
9472 the dataflow rewrite.
9474 2006-01-19 DJ Delorie <dj@redhat.com>
9476 * reload1.c (find_reload_regs): Note the details of reload
9477 failures in the dump file.
9478 (spill_failure): Likewise.
9480 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9482 * loop-iv.c: Include df.h and hashtab.h.
9483 (enum iv_grd_result): New enum.
9484 (DF_REF_IV, DF_REF_IV_SET): New macros.
9485 (struct biv_entry): New.
9486 (df, bivs): New global variables.
9487 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9488 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9490 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9491 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9492 analyzed_for_bivness_p, record_biv): New functions.
9493 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9494 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9495 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9497 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9499 (iv_number_of_iterations): Use new interface to iv analysis.
9500 * loop-unroll.c: Do not include varray.h.
9501 (analyze_iv_to_split_insn): Use new interface to iv
9503 * loop-unswitch.c (may_unswitch_on): Ditto.
9504 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9506 (df_bb_modify): Realloc tables to the new index.
9507 (df_find_use): New function.
9508 * df.h (df_find_use): Declare.
9509 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9511 * cfgloop.h (struct rtx_iv): Remove analysed field.
9512 (iv_get_reaching_def): Removed.
9513 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9514 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9515 (loop-iv.o): Add df.h and hashtab.h dependency.
9516 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9518 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9521 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9523 (__floatundisf, __floatundidf): Likewise.
9524 * libgcc2.h (IS_IBM_EXTENDED): Define.
9526 2006-01-19 DJ Delorie <dj@redhat.com>
9528 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9530 2006-01-19 Paul Brook <paul@codesourcery.com>
9532 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9533 as nothrow when unwinding tables are disabled.
9535 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9538 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9539 of bit-field" when in system header.
9541 2006-01-19 DJ Delorie <dj@redhat.com>
9543 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9544 the 16 bit shift limit of the m16c.
9546 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9549 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9550 * config/i386/i386.c (output_set_got): Output the label if we have one
9551 for the TARGET_DEEP_BRANCH_PREDICTION case.
9553 2006-01-19 Jan Hubicka <jh@suse.cz>
9554 H.J. Lu <hongjiu.lu@intel.com>
9555 Evandro Menezes <evandro.menezes@amd.com>
9557 * invoke.texi (generic): Document
9559 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9560 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9561 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9562 (x86_use_incdec, x86_pad_returns): New variables
9563 (TARGET_CPU_DEFAULT_generic): New constant
9564 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9565 (enum processor_type): Add generic32 and generic64.
9566 * i386.md (cpu attribute): Add generic32/generic64
9567 (movhi splitter): Behave sanely when both partial_reg_dependency and
9568 partial_reg_stall are set.
9569 (K8 splitters): Enable for generic as well.
9570 * predicates.md (incdec_operand): Use TARGET_INCDEC
9571 (aligned_operand): Avoid memory mismatch stalls.
9572 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9573 * ppro.md: Enable for generic32
9574 * i386.c (generic64_cost, generic32_cost): New.
9575 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9576 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9577 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9578 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9579 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9580 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9581 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9582 x86_accumulate_outgoing_args, x86_prologue_using_move,
9583 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9584 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9586 (x86_use_incdec, x86_pad_returns): New.
9587 (override_options): Add generic32 and generic64, translate "generic"
9588 to generic32/generic64 and "i686" to "generic32", refuse
9589 "generic32"/"generic64" as arch target.
9590 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9591 (ix86_reorg): Honor PAD_RETURNS.
9593 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9595 * tree-pretty-print.c (dump_generic_node): Handle
9596 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9597 * cgraph.c (cgraph_expand_queue): Rename from
9598 cgraph_analyze_queue. Update all users.
9599 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9600 cgraph_expand_queue.
9601 (cgraph_expand_all_functions): Likewise.
9602 (cgraph_finalize_pending_functions): Remove. Update callers.
9604 * tree.h (OMP_DIRECTIVE_P): Define.
9605 (OMP_PARALLEL_FN): Define.
9606 (OMP_PARALLEL_DATA_ARG): Define.
9607 (OMP_SECTIONS_SECTIONS): Define.
9608 * tree-pass.h (pass_expand_omp): Declare.
9609 * omp-low.c (struct omp_region): Declare.
9610 (struct omp_context): Remove fields 'parallel_type',
9611 'parallel_start_ix' and 'parallel_start_additional_args'.
9613 (struct omp_for_data): Rename from struct expand_omp_for_data.
9614 (omp_regions): New static variable.
9615 (root_omp_region): New static variable.
9616 (find_omp_clause): Make static.
9617 (is_in_combined_parallel_ctx): Remove.
9618 (is_combined_parallel): New.
9619 (extract_omp_for_data): Move earlier in the file.
9620 (workshare_safe_to_combine_p): New.
9621 (get_ws_args_for): New.
9622 (determine_parallel_type): Move earlier in the file.
9623 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9625 (omp_copy_decl): Likewise.
9626 (create_omp_child_function): Likewise.
9627 (lookup_omp_region): New.
9628 (dump_omp_region): New.
9629 (debug_omp_region): New.
9630 (debug_all_omp_regions): New.
9631 (new_omp_region): New.
9632 (scan_omp_parallel): If parallel_nesting_level > 1, the
9633 directive is nested within another parallel directive.
9634 Set OMP_PARALLEL_FN.
9635 (scan_omp_for): Do not try to handle combined parallel+for
9637 Remove FIXME comment.
9638 (scan_omp_nested): Remove.
9639 (scan_omp_1): Do not call scan_omp_nested when
9640 parallel_nesting_level is > 1.
9641 Do not change the DECL_CONTEXT of local variables found.
9642 (lookup_decl_in_outer_ctx): New.
9643 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9644 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9645 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9646 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9647 If CTX is nested, lookup VAR in the outer context when
9648 building copy assignment.
9649 (lower_send_clauses): Rename from expand_send_clauses.
9650 If CTX is nested, lookup VAR in the outer context when
9651 building copy assignments.
9652 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9653 If CTX is nested, lookup VAR in the outer context when
9654 building copy assignments.
9655 (expand_parallel_call): Rename from build_parallel_call.
9656 Handle combined parallel+workshare cases.
9657 Re-implement to emit code into the CFG.
9659 (expand_omp_parallel): Re-implement to emit code into the CFG.
9660 Call move_sese_region_to_fn to outline the sub-graph
9661 containing the parallel region.
9662 (expand_omp_for_1): Remove.
9663 (expand_omp_for_generic): Re-implement to emit code into the
9665 (expand_omp_for_static_nochunk): Likewise.
9666 (expand_omp_for_static_chunk): Likewise.
9667 (expand_omp_for): Likewise.
9668 (expand_omp_sections): Likewise.
9669 (remove_exit_barriers): New.
9670 (expand_omp_synch): New.
9672 (build_omp_regions_1): New.
9673 (build_omp_regions): New.
9674 (execute_expand_omp): New.
9675 (gate_expand_omp): New.
9676 (pass_expand_omp): Define.
9677 (lower_omp_sections): Rename from expand_omp_sections.
9678 Set OMP_SECTIONS_SECTIONS.
9679 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9680 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9681 (lower_omp_single): Rename from expand_omp_simple.
9682 (lower_omp_master): Rename from expand_omp_master.
9683 (lower_omp_ordered): Rename from expand_omp_ordered.
9684 (lower_omp_critical): Rename from expand_omp_critical.
9685 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9686 (lower_omp_for): Re-implement.
9687 (lower_omp_parallel): Re-implement.
9688 (lower_regimplify): Rename from expand_regimplify.
9689 (lower_omp_1): Rename from expand_omp_1.
9690 If there are syntax errors in the program, replace every
9691 OpenMP directive with NOP.
9692 Call lower_omp_* instead of expand_omp_*.
9693 (lower_omp): Rename from expand_omp.
9695 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9696 * tree-gimple.h (enum omp_parallel_type): Remove.
9697 (gimple_boolify): Declare extern.
9698 (find_omp_clause, determine_parallel_type): Remove.
9700 * gimple-low.c (lower_omp_directive): New.
9701 (lower_stmt): Call it.
9702 (record_vars_into): Move from ...
9703 (record_vars): ... here.
9704 Call record_vars_into with current_function_decl.
9706 * gimplify.c (struct gimplify_ctx): Remove fields
9707 combined_pre_p and combined_ctxp. Update users.
9708 (get_formal_tmp_var): Add documentation.
9709 (gimple_boolify): Make extern.
9710 (gimplify_expr_in_ctx): Remove. Update callers.
9711 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9712 will always be a BIND_EXPR.
9713 (gimplify_expr): Handle OMP_RETURN_EXPR.
9714 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9715 (OMP_PARALLEL): Add 3 operands.
9716 (OMP_SECTIONS): Add 1 operand.
9717 (OMP_RETURN_EXPR): Define.
9719 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9720 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9721 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9722 creating a circular free list.
9723 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9725 * tree-flow.h (move_sese_region_to_fn): Declare.
9726 (record_vars_into): Declare.
9727 * tree-cfg.c (make_omp_sections_edges): New.
9728 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9729 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9730 OMP_SECTIONS and OMP_SECTION.
9731 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9732 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9733 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9734 (gather_blocks_in_sese_region): New.
9735 (struct move_stmt_d): Declare.
9737 (move_block_to_fn): New.
9738 (move_sese_region_to_fn): New.
9740 * passes.c (init_optimization_passes): Schedule
9741 pass_expand_omp after pass_init_datastructures.
9743 * tree-ssa-operands.c (get_expr_operands): Handle
9744 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9745 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9747 2006-01-19 Jeff Law <law@redhat.com>
9749 * tree-vrp.c (extract_range_from_assert): Refine the result range
9750 if the variable referenced by the ASSERT_EXPR has a range and
9751 either the tentative result range or the previous range is a
9754 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9756 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9758 2006-01-19 Jan Hubicka <jh@suse.cz>
9760 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9762 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9764 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9765 (expand_compound_operation, expand_field_assignment): Fail if the
9766 bit lengths of an extract operation are out of range.
9767 (make_extraction): Compute wanted_inner_mode based on the position
9768 and length of the extraction. Make it extraction_mode for non-constant
9769 positions, and do not modify offset in that case. When generating a
9770 new MEM, use a mode that can hold the extraction while keeping correct
9771 alignment. Remove code that supported MEMs wrapped by USEs.
9772 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9774 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9776 * config/s390/s390.md ("Y", "y"): New mode attribute.
9777 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9778 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9779 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9780 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9781 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9782 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9783 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9784 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9785 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9786 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9787 "addsi3", "subsi3"): Insn patterns removed.
9788 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9789 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9790 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9791 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9792 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9793 "*sub<mode>3_cconly2"): New insn patterns.
9794 ("addsi3", "subsi3"): New expanders.
9796 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9798 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9799 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9800 existing STMT_VINFO_VECTYPE if available.
9801 (vect_mark_relevant): Add special handling for stmts that are
9802 marked as STMT_VINFO_IN_PATTERN_P.
9803 (vect_analyze_loop): Call vect_pattern_recog.
9804 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9805 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9807 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9808 (vect_recog_func_ptr): New function-pointer type.
9809 * tree-vect-patterns.c: New file.
9810 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9811 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9812 (vect_pattern_recog_1): New functions.
9813 (vect_pattern_recog_funcs): New array of function pointers.
9815 * tree-vectorizer.h (ternary_op): New enum value.
9816 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9817 declaration. Revised documentation. Removed redundant dump prints.
9818 Removed redundant argument. Added support for reduction patterns.
9819 (vectorizable_reduction): Added support for reduction patterns.
9820 (vect_transform_stmt): Added support for patterns.
9822 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9823 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9824 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9825 (expand_widen_pattern_expr): New function.
9826 (init_optabs): Initialize new optabs udot_prod_optab,
9828 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9829 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9830 (expand_widen_pattern_expr): New function declaration.
9831 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9833 * tree-inline.c (estimate_num_insns_1): Added cases for new
9834 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9835 * tree-pretty-print.c (dump_generic_node): Likewise.
9836 (op_prio): Likewise.
9837 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9838 * tree-ssa-operands.c (get_expr_operands): Added case for
9840 * tree-vect-patterns.c (widened_name_p): New function.
9841 (vect_recog_dot_prod_pattern): Added function implementation.
9842 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9843 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9844 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9845 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9847 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9848 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9849 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9850 (init_optabs): Initialize new optabs widen_ssum_optab,
9852 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9853 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9854 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9855 use instead of type of def.
9856 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9857 function implementation.
9858 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9859 widen_ssumv8hi): New.
9861 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9864 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9867 * c-decl.c (add_flexible_array_elts_to_size): New function.
9868 (finish_decl): Use it.
9870 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9872 * diagnostic.h: Include options.h.
9873 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9874 dependancies for diagnostic.h.
9875 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9877 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9879 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9880 (ssa_ro_call_cache_valid): Ditto.
9881 * tree-ssa-alias.c (sort_tags_by_id): New function.
9882 (init_transitive_clobber_worklist): Ditto.
9883 (add_to_worklist): Ditto.
9884 (mark_aliases_call_clobbered): Ditto.
9885 (compute_tag_properties): Ditto.
9886 (set_initial_properties): Ditto.
9887 (compute_call_clobbered): Ditto.
9888 (compute_may_aliases): Call compute_call_clobbered and grouping.
9889 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9890 (compute_flow_insensitive_aliasing): Grouping now happens in our
9892 (setup_pointers_and_addressables): Remove clobbering related code.
9893 (add_may_alias): Ditto.
9894 (replace_may_alias): Ditto.
9895 (get_nmt_for): Ditto.
9896 (create_global_var):
9897 (is_escape_site): Return an escape_type enumeration.
9898 * tree-flow-inline.h (is_call_clobbered): Global var does not
9899 imply call clobbered.
9900 (mark_call_clobbered): Take a reason for marking this. Remove
9901 marking of globalness, and cache invalidation.
9902 (clear_call_clobbered): Remove cache invalidation code.
9903 * tree-dfa.c (dump_variable): If details is on, dump the reason
9905 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9907 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9908 (struct var_ann_d): Ditto.
9909 (enum escape_type): New.
9910 (mark_call_clobbered): Adjust prototype.
9911 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9912 are never call clobbered.
9913 Record reasons for escaping.
9914 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9915 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9916 (ssa_ro_call_cache_valid): Ditto.
9917 (clobbered_v_may_defs): Ditto.
9918 (clobbered_vuses): Ditto.
9919 (ro_call_vuses): Ditto.
9920 (clobber_stats): New.
9921 (init_ssa_operands): Zero out clobber stats.
9922 (fini_ssa_operands): Print out clobber stats.
9923 (get_call_expr_operands): Pass callee fndecl to
9925 (add_call_clobber_ops): Remove use of cache.
9926 Add use of PURE_CONST information.
9927 (add_call_read_ops): Remove use of cache.
9928 Add use of static not_read information.
9930 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9932 Introduce TLS descriptors for i386 and x86_64.
9933 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9934 (TARGET_ANY_GNU_TLS): New macro.
9935 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9936 (struct machine_function): Add tls_descriptor_call_expanded_p.
9937 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9938 (ix86_current_function_calls_tls_descriptor): Likewise.
9939 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9940 (override_options): Introduce gnu2 tls dialect.
9941 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9943 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9945 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9946 (ix86_init_machine_status): Initialize new field.
9947 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9948 (ix86_tls_module_base): New.
9949 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9950 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9951 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9952 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9953 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9954 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9955 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9956 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9957 * config/i386/predicates.md (tls_modbase_operand): New.
9958 (tp_or_register_operand): New.
9960 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9962 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9963 (look_for_address_of): Ditto.
9964 (ipa_init): Walk the function decls.
9965 (static_execute): Don't set readonly on FUNCTION_DECL's.
9967 2006-01-18 Roger Sayle <roger@eyesopen.com>
9969 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9970 for shifts where the source and destination registers are different.
9972 2006-01-18 Paul Brook <paul@codesourcery.com>
9974 Merge from csl-arm-branch.
9975 2005-03-14 Julian Brown <julian@codesourcery.com>
9976 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9977 (aeabi_llsl): Likewise.
9978 (ashrdi3): Likewise.
9979 (aeabi_lasr): Likewise.
9980 (lshrdi3): Likewise.
9981 (aeabi_llsr): Likewise.
9982 2005-03-10 Julian Brown <julian@codesourcery.com>
9983 * config.gcc: Disable shared libgcc for SymbianOS.
9984 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9986 2006-01-18 DJ Delorie <dj@redhat.com>
9988 * c-pragma.c (handle_pragma_diagnostic): New.
9989 (init_pragma): Register it.
9990 * doc/extend.texi: Document it.
9992 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9993 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9994 (diagnostic_context): Add classify_diagnostic[].
9995 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9996 as errors if they're overridden to DK_WARNING.
9997 (diagnostic_initialize): Initialize classify_diagnostic[].
9998 (diagnostic_set_kind_override): New.
9999 (diagnostic_report_diagnostic): Check for kind changes.
10000 * opts.c (common_handle_option): Take lang_mask. Update callers.
10001 Handle OPT_Werror_.
10002 * common.opt (Werror=): New.
10003 * doc/invoke.texi: Document -Werror=*
10005 2006-01-18 Jeff Law <law@redhat.com>
10007 * tree-vrp.c (test_for_singularity): Correct test for new
10008 min limit. Use operand_equal_p rather than pointer equality
10009 for testing if new min/max values are equal.
10011 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10012 using range information until after propagation and folding.
10014 2006-01-18 Richard Henderson <rth@redhat.com>
10015 Aldy Hernandez <aldyh@redhat.com>
10016 Jakub Jelinek <jakub@redhat.com>
10017 Diego Novillo <dnovillo@redhat.com>
10019 * omp-low.c: New file.
10020 * c-omp.c: New file.
10022 2006-01-18 Richard Henderson <rth@redhat.com>
10023 Jakub Jelinek <jakub@redhat.com>
10024 Diego Novillo <dnovillo@redhat.com>
10026 * doc/invoke.texi: Document -fopenmp.
10027 * tree-dump.h (debug_function): Declare.
10028 * hooks.c (hook_bool_tree_bool_false): New function.
10029 (hook_tree_tree_null): Remove.
10030 (hook_tree_tree_tree_null): New.
10031 * hooks.h: Update to match.
10032 * tree-pretty-print.c (debug_tree_chain): New.
10033 (print_generic_expr): Handle TDF_CHAIN.
10034 (dump_generic_node): Handle BLOCK.
10035 Do not abort with incomplete SWITCH_EXPRs.
10036 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10037 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10038 print space after directive name.
10039 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10040 Handle OMP_MASTER and OMP_ORDERED.
10041 Handle printing of OMP_BODY just in one place, goto
10042 dump_omp_body in the rest of OMP_* nodes that have
10044 Don't handle clause nodes here. Update omp statements to
10045 use dump_omp_clauses.
10046 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10047 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10048 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10049 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10050 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10051 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10052 Adjust output for GOMP_PARALLEL.
10053 (dump_omp_clauses): New.
10054 (print_declaration): Dump DECL_VALUE_EXPR.
10055 (op_symbol_1): Split out of op_symbol.
10056 (dumping_stmts): Remove. Update all users.
10057 * cgraph.c (cgraph_analyze_queue): New.
10058 (cgraph_add_new_function): New.
10059 * cgraph.h (cgraph_analyze_queue): Declare.
10060 (cgraph_add_new_function): Declare.
10061 (cgraph_lower_function): Remove.
10062 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10063 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10064 and TYPE_P nodes in its default clause.
10065 (empty_body_p): New.
10066 (tree_range_check_failed): New.
10067 (build5_stat): New.
10068 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10069 OMP_CLAUSE_REDUCTION_MERGE,
10070 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10071 OMP_CLAUSE_PRIVATE_DEBUG,
10072 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10073 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10074 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10075 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10076 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10077 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10078 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10079 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10080 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10081 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10082 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10083 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10084 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10085 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10086 (TREE_RANGE_CHECK): New.
10087 (empty_body_p): Declare.
10088 (enum omp_clause_default_kind): New.
10089 (build_string_literal): Declare.
10090 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10091 (build5_stat, build5): Declare.
10092 * tree-pass.h (TDF_CHAIN): Define.
10093 * tree-pass.h (PROP_gimple_lomp): Define.
10094 (pass_lower_omp): Declare.
10095 * diagnostic.h (debug_tree_chain): Declare.
10096 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10098 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10099 * builtins.c (build_string_literal): Make extern.
10100 * gcc.c (include_spec_function): New.
10101 (static_spec_functions): Add it.
10102 (main): Move load of libgomp.spec ...
10103 (LINK_COMMAND_SPEC): ... here.
10104 (link_gomp_spec): New.
10105 (static_specs): Include it.
10106 (LINK_COMMAND_SPEC): Add link_gomp.
10107 (GOMP_SELF_SPECS): New.
10108 (driver_self_specs): Include it.
10109 (switch_matches): Don't mark inline.
10110 (main): Load libgomp.spec.
10111 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10112 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10113 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10114 * tree-gimple.h (enum omp_parallel): Declare.
10115 (determine_parallel_type): Declare.
10116 (omp_firstprivatize_variable): Declare.
10117 (omp_reduction_init): Declare.
10118 (diagnose_omp_structured_block_errors): Declare.
10119 (struct walk_stmt_info): Add want_return_expr.
10120 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10121 (find_omp_clause): Declare.
10122 (insert_field_into_struct): Declare.
10123 (struct walk_stmt_info): Move from tree-nested.c
10124 (walk_stmts): Declare.
10125 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10127 * cgraphunit.c (cgraph_lower_function): Make static.
10128 (cgraph_finalize_pending_functions): New.
10129 (cgraph_finalize_function): Call it.
10130 (cgraph_finalize_compilation_unit): Likewise.
10131 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10132 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10133 (BT_FN_UINT_UINT): New.
10134 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10135 DEF_FUNCTION_TYPE_VAR_4): Document.
10136 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10137 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10138 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10139 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10140 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10141 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10142 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10143 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10144 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10145 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10146 into separate files.
10147 (DEF_GOMP_BUILTIN): New.
10148 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10149 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10150 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10151 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10152 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10153 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10154 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10155 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10156 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10157 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10158 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10159 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10160 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10161 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10162 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10163 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10164 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10165 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10166 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10167 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10168 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10169 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10170 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10171 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10172 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10173 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10174 * sync-builtins.def: New file, moved from builtins.def.
10175 * omp-builtins.def: New file, moved from builtins.def.
10176 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10177 * gimple-low.c (lower_function_body): Clear data.
10178 (lower_stmt): Do not handle COMPOUND_EXPR.
10179 Remove call to print_node_brief.
10180 * c-tree.h (c_finish_omp_clauses): New prototype.
10181 (C_DECL_THREADPRIVATE_P): Define.
10182 (lookup_name_no_remap, c_omp_remap_private): Remove
10183 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10184 (check_for_loop_decls): Update decl.
10185 (lookup_name_no_remap, c_omp_remap_private): Declare.
10186 (build_indirect_ref, build_modify_expr, pushdecl,
10187 pushdecl_top_level): Move to c-common.h.
10188 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10189 before the switch, but just in the 2 places that need it.
10190 * c-decl.c (diagnose_mismatched_decls): Do not check for
10191 mismatched thread-local attributes when OLDDECL is marked
10192 threadprivate and NEWDECL has no thread-local attributes.
10193 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10194 (c_gimple_diagnostics_recursively): Rename from
10195 c_warn_unused_result_recursively. Invoke
10196 diagnose_omp_structured_block_errors.
10197 (check_for_loop_decls): Return a singular decl found.
10198 * langhooks.c (lhd_omp_predetermined_sharing): Return
10199 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10200 (lhd_omp_firstprivatize_type_sizes): New.
10201 (lhd_omp_assignment): New.
10202 (lhd_omp_predetermined_sharing): New.
10203 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10204 (struct lang_hooks_for_types): Add
10205 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10206 omp_predetermined_sharing, omp_disregard_value_expr,
10207 omp_private_debug_clause, omp_clause_default_ctor,
10208 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10209 (c_finish_omp_clauses): New.
10210 (c_finish_bc_stmt): Diagnose break within omp for.
10211 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10212 (build_unary_op): Return error_mark after reporting
10214 (build_modify_expr): Likewise.
10215 * gimplify.c: Include optabs.h and pointer-set.h.
10216 (enum gimplify_omp_var_data): Declare.
10217 (struct gimplify_omp_ctx): Declare.
10218 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10220 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10221 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10222 (splay_tree_compare_decl_uid): New.
10223 (new_omp_context): New.
10224 (delete_omp_context): New.
10225 (gimple_add_tmp_var): Call omp_add_variable.
10226 (gimplify_bind_expr): Likewise.
10227 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10228 true, disregard DECL_VALUE_EXPR on the decl if any.
10229 (gimplify_expr_in_ctx): New.
10230 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10231 omp_add_variable, omp_notice_variable, omp_is_private
10232 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10233 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10234 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10235 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10236 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10237 gimplify_omp_atomic): New.
10238 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10239 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10240 OMP_CRITICAL and OMP_ATOMIC.
10241 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10242 * c-pragma.h (enum pragma_kind): Add
10243 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10244 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10245 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10246 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10247 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10248 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10249 PRAGMA_OMP_THREADPRIVATE.
10250 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10251 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10252 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10253 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10254 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10255 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10256 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10257 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10258 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10259 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10260 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10261 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10262 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10264 (struct nesting_info): Add field_map,
10265 suppress_expansion, debug_var_chain.
10266 (create_nesting_tree): Initialize them.
10267 (lookup_field_for_decl): Use field_map.
10268 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10269 (convert_local_omp_clauses): New.
10270 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10271 (walk_body): Split out of walk_function.
10272 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10273 (convert_nonlocal_reference): Handle omp statements.
10274 (convert_local_reference): Likewise.
10275 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10276 (unnest_nesting_tree): New.
10277 (lower_nested_functions): Call it.
10278 (insert_field_into_struct): Make extern.
10279 (struct walk_stmt_info): Move to tree-gimple.h.
10280 (walk_stmts): Make extern.
10281 * omp-builtins.def: New file.
10282 * tree-iterator.c (expr_only): Clarify comment.
10283 * c-common.h (pushdecl_top_level, pushdecl,
10284 build_modify_expr, build_indirect_ref,
10285 c_finish_omp_master, c_finish_omp_critical,
10286 c_finish_omp_ordered, c_finish_omp_barrier,
10287 c_finish_omp_atomic, c_finish_omp_flush,
10288 c_finish_omp_for, c_split_parallel_clauses,
10289 omp_clause_default_kind, c_omp_sharing_predetermined,
10290 c_omp_remap_decl): Declare.
10291 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10292 (OBJS-common): Add omp-low.o.
10293 (c-omp.o, omp-low.o): Add.
10294 (gimplify.o): Add dependency on $(OPTABS_H).
10295 (GTFILES): Add omp-low.c.
10296 (gt-stringpool.h): Add.
10297 * tree-cfg.c (set_bb_for_stmt): Do not update the
10298 block-to-labels map if we are currently expanding to RTL.
10299 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10301 Handle IDENTIFIER_NODE.
10302 (tree_verify_flow_info): Do not ICE when emitting error
10303 messages about invalid labels.
10304 (dump_function_to_file): Reset CFUN before emitting the body
10306 (debug_function): New.
10307 * passes.c (init_optimization_passes): Schedule
10309 * langhooks-def.h (lhd_omp_predetermined_sharing,
10310 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10312 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10313 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10314 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10315 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10316 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10317 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10318 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10319 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10320 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10321 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10322 (LANG_HOOK_DECLS): Use them.
10324 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10325 Richard Henderson <rth@redhat.com>
10326 Jakub Jelinek <jakub@redhat.com>
10327 Diego Novillo <dnovillo@redhat.com>
10329 * c-parser.c (pragma_omp_clause): Define.
10330 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10331 (c_parser_compound_statement): Likewise.
10332 (c_parser_statement): Likewise.
10333 (c_parser_pragma): Handle omp pragmas.
10334 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10335 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10336 (c_parser_omp_clause_name, check_no_duplicate_clause,
10337 c_parser_omp_variable_list,
10338 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10339 c_parser_omp_clause_copyprivate,
10340 c_parser_omp_clause_default,
10341 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10342 c_parser_omp_clause_lastprivate,
10343 c_parser_omp_clause_nowait,
10344 c_parser_omp_clause_num_threads,
10345 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10346 c_parser_omp_clause_reduction,
10347 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10348 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10349 c_parser_omp_atomic, c_parser_omp_barrier,
10350 c_parser_omp_critical, c_parser_omp_flush,
10351 c_parser_omp_for_loop, c_parser_omp_for,
10352 c_parser_omp_master, c_parser_omp_ordered,
10353 c_parser_omp_sections_scope, c_parser_omp_sections,
10354 c_parser_omp_parallel, c_parser_omp_single,
10355 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10356 * c-pragma.c (init_pragma): Do omp pragma registration here.
10357 * c.opt (fopenmp): New flag.
10359 2006-01-18 Eric Christopher <echristo@apple.com>
10361 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10362 * config/darwin.h (GOMP_SELF_SPECS): Define.
10364 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10366 * rtl.h: Remove the prototype for reg_alloc.
10368 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10371 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10372 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10373 sjlj and dwarf2 exception handling.
10374 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10375 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10376 * pa/pa.c (function_value): Treat complex and vector types as
10378 (function_arg): Likewise. Only pass scalar floats in the floating
10379 point argument registers.
10380 * pa/t-slibgcc-dwarf-ver: New file.
10381 * pa/t-slibgcc-sjlj-ver: New file.
10382 * pa/t-slibgcc-elf-ver: Delete file.
10384 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10386 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10387 unlikely_test_section_p test.
10389 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10391 * mode-switching.c (optimize_mode_switching): Make it static.
10392 * basic-block.h: Remove the prototype for
10393 optimize_mode_switching.
10395 * modulo-sched.c (sms_schedule): Make it static.
10396 * rtl.h: Remove the prototype for sms_schedule.
10398 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10399 * rtl.h: Remove the prototype for gcse_after_reload_main.
10401 * reg-stack.c (reg_to_stack): Make it static.
10402 * rtl.h: Remove the prototype for reg_to_stack.
10404 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10406 * rtl.h: Remove the prototypes for regrename_optimize and
10407 copyprop_hardreg_forward.
10409 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10411 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10412 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10413 Test against the appropriate null constant for the mode.
10414 If 'fixup_overlap' is true, swap the operands if they overlap.
10415 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10416 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10417 alpha_split_tmode_pair and adjust for above change.
10418 * config/alpha/alpha.md (movtf_internal): Adjust call to
10419 alpha_split_tfmode_pair and rely on it to swap the operands.
10420 (movti_internal): New insn and post-reload splitter.
10421 (movti): New expander.
10423 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10425 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10428 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10430 * rtlanal.c (global_reg_mentioned_p_1,
10431 global_reg_mentioned_p): Remove.
10432 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10434 * flow.c (initialize_uninitialized_subregs): Make it static.
10435 * rtl.h: Remove the prototype for
10436 initialize_uninitialized_subregs.
10438 * function.c (instantiate_virtual_regs): Make it static.
10439 * function.h: Remove the prototype for
10440 instantiate_virtual_regs.
10442 * regmove.c (regmove_optimize, combine_stack_adjustments):
10444 * rtl.h: Remove the prototypes for regmove_optimize and
10445 combine_stack_adjustments.
10447 2006-01-17 Roger Sayle <roger@eyesopen.com>
10449 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10450 (size_cost): Encode costs in bytes so that a reg-reg addition is
10451 equivalent to COSTS_N_INSNS(1).
10452 (override_options): Use the size_cost.branch_cost as the default
10453 ix86_branch_cost when optimizing for size.
10455 2006-01-18 Ben Elliston <bje@au.ibm.com>
10457 * Makefile.in (D32PBIT_FUNCS): New.
10458 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10459 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10460 D64PBIT_FUNCS and D128PBIT_FUNCS.
10461 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10462 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10464 (decnumber_dep): Define.
10465 * doc/libgcc.texi (Decimal float library routines): New node.
10466 * config/dfp-bit.h, config/dfp-bit.c: New files.
10468 2006-01-18 Ben Elliston <bje@au.ibm.com>
10470 * expr.c (emit_move_change_mode): Always adjust addresses, not
10471 just during reload. Copy replacements only during reload.
10472 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10473 emit_move_via_integer.
10475 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10477 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10478 instead of $(srcdir) and ${srcdir}.
10480 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10483 PR middle-end/11135
10484 * arm.h (struct machine_function): Add pic_reg.
10485 * arm.c (arm_pic_register): Make unsigned.
10486 (arm_override_options): Only set arm_pic_register if
10487 TARGET_SINGLE_PIC_BASE.
10488 (use_return_insn): Only test for a pic register if it is fixed.
10489 (arm_compute_save_reg0_reg12_mask): Likewise.
10490 (thumb_compute_save_reg_mask): Likewise.
10491 (legitimate_pic_operand): Factor out some known invariants.
10492 (legitimize_pic_address): If we don't have a fixed pic register,
10493 then set up a pseudo in the function entry sequence. Handle the
10494 pic base being in a pseudo.
10495 (arm_load_pic_register): Handle the pic register being in a pseudo.
10496 (arm_expand_prologue): Only set up the pic register if it is fixed.
10497 (thumb_expand_prologue): Likewise.
10498 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10499 (pic_load_addr_based_insn): Likewise.
10500 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10503 2006-01-18 Ben Elliston <bje@au.ibm.com>
10505 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10506 decimal float modes for all floating point registers.
10508 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10509 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10511 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10514 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10515 even when the pointer is not NULL.
10517 2006-01-16 Ian Lance Taylor <ian@airs.com>
10519 * common.opt (ftoplevel-reorder): New option.
10520 * cgraph.c (cgraph_asm_nodes): New global variable.
10521 (cgraph_asm_last_node): New static variable.
10522 (cgraph_order): New global variable.
10523 (cgraph_create_node): Set new order field.
10524 (cgraph_varpool_node): Likewise.
10525 (decide_is_variable_needed): Return true if not
10526 flag_toplevel_reorder.
10527 (cgraph_add_asm_node): New function.
10528 * cgraph.h (struct cgraph_node): Add order field.
10529 (struct cgraph_varpool_node): Add order field.
10530 (struct cgraph_asm_node): Define.
10531 (cgraph_asm_nodes, cgraph_order): Declare.
10532 (cgraph_add_asm_node): Declare.
10533 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10535 (cgraph_varpool_assemble_pending_decls): Call it.
10536 (cgraph_output_pending_asms): New static function.
10537 (cgraph_finalize_compilation_unit): Call it.
10538 (struct cgraph_order_sort): Define.
10539 (cgraph_output_in_order): New static function.
10540 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10541 !flag_toplevel_reorder case.
10542 * c-parser.c: Include "cgraph.h".
10543 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10545 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10546 than -fno-unit-at-a-time.
10547 * doc/invoke.texi (Option Summary): Mention
10548 -fno-toplevel-reorder.
10549 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10550 -funit-at-a-time documentation.
10552 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10553 Kazu Hirata <kazu@codesourcery.com>
10555 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10557 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10559 * Makefile.in (FUNCTION_H): New. Use it instead of
10560 function.h throughout the file.
10561 * function.h: Include tree.h.
10563 2006-01-17 Ben Elliston <bje@au.ibm.com>
10565 * recog.c: Separate some functions with whitespace.
10567 2006-01-16 Richard Henderson <rth@redhat.com>
10569 Merge from gomp branch:
10570 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10571 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10572 and rename from struct inline_data. Rename callee* to dst*;
10573 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10574 transform_new_cfg, transform_return_to_modify, and
10575 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10577 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10578 (copy_decl_for_dup): Remove.
10579 * tree-inline.c (struct inline_data): Move to header.
10580 (insert_decl_map): Export.
10581 (remap_decl): Update for member name changes. Use copy_decl hook.
10582 Allow for replacement to be a non-decl. Remove dead code.
10583 (remap_type_1): Check for existing mapping.
10584 (remap_type): Export.
10585 (remap_decls): Update for member name changes.
10586 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10587 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10588 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10589 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10590 (tree_function_versioning, build_duplicate_type): Likewise.
10591 (copy_body_r): Likewise. Export.
10592 (copy_decl_for_dup): Split into ...
10593 (copy_decl_for_dup_finish, copy_decl_to_var,
10594 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10595 (replace_ref_tree, inlining_p): Remove.
10597 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10599 * ifcvt.c (if_convert): Make it static.
10600 * rtl.h: Remove the prototype for if_convert.
10602 * local-alloc.c (local_alloc): Make it static.
10603 * rtl.h: Remove the prototype for local_alloc.
10605 * loop.c (loop_optimize): Make it static.
10606 * cfgloop.h: Remove the prototype for loop_optimize.
10609 2006-01-16 DJ Delorie <dj@redhat.com>
10611 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10614 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10616 * pa.md: Disparage copies between general and floating-point registers
10617 in 32-bit move patterns.
10619 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10622 * Makefile.in (check-%): Depend on site.exp instead of
10623 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10626 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10628 * global.c (global_alloc): Make it static.
10629 * rtl.h: Remove the prototype for global_alloc.
10631 2006-01-16 Richard Guenther <rguenther@suse.de>
10633 * tree-ssa-alias.c (struct used_part): Add write_only field.
10634 (get_or_create_used_part_for): Initialize it to true.
10635 (create_overlap_variables_for): Don't create structure variables
10636 for structures that only are written to.
10637 (find_used_portions): Handle MODIFY_EXPR to track whether a
10638 structure is only written to.
10640 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10642 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10644 * basic-block.h: Remove the prototype for
10645 partition_hot_cold_basic_blocks.
10647 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10649 * cppspec.c (lang_specific_spec_functions): Remove.
10650 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10651 * gcc.h (lang_specific_spec_functions): Remove.
10652 * gccspec.c (lang_specific_spec_functions): Remove.
10654 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10656 * combine.c (record_value_for_reg): Invalidate registers
10658 (record_dead_and_set_regs_1): Likewise, by passing them to
10659 record_value_for_reg.
10660 (record_dead_and_set_regs): Invalidate stores made by a
10661 call. We do not combine across a call, but we still
10662 relied on equivalences.
10664 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10666 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10667 vrp_int_const_binop returning non-constant nodes.
10669 2006-01-16 Paul Brook <paul@codesourcery.com>
10671 * config/m68k/m68k.c (output_move_const_into_data_reg):
10672 Output correct mnemonic for mvz and mvs.
10674 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10676 * rtl-factoring.c: Add sequence abstraction algorithm.
10677 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10678 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10680 (block_has_preserve_label): New function.
10681 * common.opt: Register new pass.
10682 * Makefile.in: Ditto.
10684 * timevar.def: Ditto.
10685 * tree-pass.h: Ditto.
10686 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10687 * rtl.h (make_jump_insn_raw): Add forward decl.
10688 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10690 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10691 Roger Sayle <roger@eyesopen.com>
10693 * fold-const.c (fold_minmax): New static function.
10694 (fold_binary) <MIN_EXPR>: Call it.
10695 <MAX_EXPR>: Likewise.
10696 * stor-layout.c (place_field): Use DECL_SIZE consistently
10697 in the computation of the new record size.
10699 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10701 * cse.c (cse_condition_code_reg): Make it static.
10702 * rtl.h: Remove the prototype for cse_condition_code_reg.
10704 * combine.c (combine_instructions): Make it static.
10705 * rtl.h: Remove the prototype for combine_instructions.
10707 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10710 * tree.c (get_file_function_name_long): Concatenate the first global
10711 object name with a string derived from the input filename of the object
10714 2006-01-16 Ben Elliston <bje@au.ibm.com>
10716 * config/i386/winnt-stubs.c: Update FSF address.
10717 * config/xtensa/ieee754-df.S: Ditto.
10718 * config/xtensa/ieee754-sf.S: Ditto.
10720 2006-01-14 Ian Lance Taylor <ian@airs.com>
10722 * ifcvt.c (noce_init_if_info): New static function, broken out of
10723 noce_process_if_block.
10724 (noce_process_if_block): Call noce_init_if_info.
10725 (check_cond_move_block): New static function.
10726 (cond_move_process_if_block): New static function.
10727 (process_if_block): Call cond_move_process_if_block.
10729 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10731 * cselib.c (hash_table): Rename to cselib_hash_table.
10732 (cselib_clear_table, discard_useless_values,
10733 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10734 cselib_init, cselib_finish): Adjust uses of hash_table.
10736 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10738 PR tree-optimization/25485
10739 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10740 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10741 is known to be false and true, respectively.
10743 2006-01-14 Richard Guenther <rguenther@suse.de>
10745 PR tree-optimization/22548
10746 PR tree-optimization/22555
10747 PR tree-optimization/22501
10748 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10749 * params.def (salias-max-array-elements): New parameter.
10750 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10751 * doc/invoke.texi (salias-max-array-elements): Document.
10752 * tree-flow-inline.h (var_can_have_subvars): We also handle
10754 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10756 * tree-ssa-structalias.c (params.h): Include.
10757 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10758 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10759 (get_constraint_for): For ADDR_EXPR operating on something
10760 containing an ARRAY_REF, add all subvars to the solution.
10761 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10762 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10763 for creating MUST_DEFs.
10764 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10766 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10768 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10770 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10771 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10772 number_of_iterations_le): New functions.
10773 (number_of_iterations_special): Removed.
10774 (number_of_iterations_exit): Do not use number_of_iterations_special.
10775 * tree.c (unsigned_type_for): Always return integer type.
10777 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10778 Richard Guenther <rguenther@suse.de>
10780 PR rtl-optimization/24257
10781 * gcse.c (find_moveable_store): Only consider a store movable
10782 when the SET_SRC of the insn can be assigned to a register.
10784 2006-01-14 Ian Lance Taylor <ian@airs.com>
10786 * tree.c (tree_not_class_check_failed): New function.
10787 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10788 (tree_not_class_check_failed): Declare.
10790 2006-01-13 Ian Lance Taylor <ian@airs.com>
10792 * reload1.c (do_output_reload): Add assertion rejecting a
10795 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10797 * combine.c (struct reg_stat): Add new fields truncation_label and
10799 (record_value_for_reg): Reset truncated_to_mode.
10800 (record_truncated_value): New function.
10801 (check_promoted_subreg): Call it. Rename to check_conversions.
10802 (combine_instructions): Rename check_promoted_subreg to
10804 (reg_truncated_to_mode): New function.
10805 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10806 (gen_lowpart_or_truncate): New function.
10807 (force_to_mode): Use it instead of gen_lowpart.
10809 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10811 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10812 VAR is a tag, not its type tag.
10814 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10816 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10817 alternatives to match style of other entries.
10818 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10820 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10822 PR tree-optimization/25771
10823 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10826 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10829 * tree-inline.c (declare_return_variable): If the return variable
10830 was marked as a non gimple complex, set the return slot variable
10831 to be a non gimple comple variable.
10833 2006-01-13 Richard Guenther <rguenther@suse.de>
10835 * builtins.c (expand_builtin_sincos): New function.
10836 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10838 (expand_builtin): Expand sincos using expand_builtin_sincos.
10840 2006-01-12 DJ Delorie <dj@redhat.com>
10842 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10843 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10844 so that constant shifts can be split.
10845 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10846 (m32c_valid_pointer_mode): Make static.
10847 (shift_gen_func_for): New.
10848 (m32c_prepare_shift): Use it. Split large const shifts into
10850 * config/m32c/predicates.md (shiftcount_operand): Allow more
10852 (longshiftcount_operand): New.
10853 * doc/md.texi (Machine Constraints): Document In6.
10855 2006-01-13 Ben Elliston <bje@au.ibm.com>
10857 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10858 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10861 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10863 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10864 to try to avoid clobbering pieces of structures when we know
10865 something about the whole structure.
10866 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10868 2006-01-13 Ben Elliston <bje@au.ibm.com>
10870 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10871 return in memory, as this is no limitation is no longer present.
10873 2006-01-12 DJ Delorie <dj@redhat.com>
10875 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10876 mova with fb, and for fb+0 -> An.
10878 * config/m32c/mov.md (peephole2): Fix enabling logic.
10880 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10881 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10882 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10883 FINI_ARRAY_SECTION_ASM_OP): Define.
10885 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10887 (m32c_legitimize_reload_address): New logic to reload FB to An.
10888 (m32c_output_reg_push): Add newline.
10889 (m32c_output_reg_pop): Likewise.
10891 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10893 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10895 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10897 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10899 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10901 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10904 2006-01-11 Ben Elliston <bje@au.ibm.com>
10906 * rtlanal.c (find_reg_note): Assert insn is not null.
10908 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10910 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10913 2006-01-11 Jeff Law <law@redhat.com>
10915 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10917 (mark_threaded_blocks, register_jump_thread): New functions.
10918 (thread_through_all_blocks): Remove unwanted argument. No
10919 longer rely on e->aux to communicate thread target info.
10920 Call mark_threaded_blocks. Release the threaded_blocks
10921 bitmap and threaded_edges vector when complete.
10922 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10923 (threaded_blocks): Remove.
10924 (tree_ssa_dominator_optimize): Remove initialization and
10925 finalization of threaded_blocks. Simplify call to
10926 thread_through_all_blocks.
10927 (thread_across_edge): Call register_jump_thread rather than
10928 storing thread information into e->aux.
10929 (free_all_edge_infos): Simplify now that e->aux is no longer
10930 used to communicate with thread_through_all_blocks.
10931 * tree-flow.h (thread_through_all_blocks): Update prototype.
10932 (register_jump_thread): Prototype.
10934 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10936 * df-core.c (df_compact_blocks, df_bb_replace): Use
10937 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10939 2006-01-11 Richard Guenther <rguenther@suse.de>
10941 PR tree-optimization/25734
10942 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10943 stop propagation after successful propagation to the LHS.
10945 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10947 * basic-block.h (control_flow_graph): Change the type of
10948 x_basic_block_info to VEC(basic_block,gc) *.
10949 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10951 (SET_BASIC_BLOCK): New.
10952 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10953 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10954 * cfgbuild.c (find_basic_blocks): Likewise.
10955 * cfglayout.c (fixup_reorder_chain): Likewise.
10956 * cfgrtl.c (create_basic_block_structure,
10957 rtl_create_basic_block): Likewise.
10958 * ifcvt.c (find_if_case_1): Likewise.
10959 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10962 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10964 * Makefile.in: Removed rotted odf.c entry.
10966 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10969 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10970 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10971 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10972 output pattern modifier, not %e.
10973 * config/cris/cris.c (cris_op_str): Update comment about pattern
10975 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10976 before falling through into...
10977 <case 'E'>: Redefined from old 'e' case.
10979 2006-01-11 Jan Hubicka <jh@suse.cz>
10982 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10984 2006-01-11 Jan Hubicka <jh@suse.cz>
10986 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10987 * i386.c (x86_decompose_lea): Kill.
10988 (ix86_rtx_costs): Kill.
10990 2006-01-11 Jan Hubicka <jh@suse.cz>
10992 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10993 * cgraph.h (cgraph_node): Add inline_decl.
10994 (cgraph_insert_node_to_hashtable): Declare.
10995 (save_inline_function_body): Declare.
10996 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10998 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10999 (cgraph_function_versioning): Update call of tree_function_versioning.
11000 (save_inline_function_body): New function.
11001 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11002 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11003 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11004 (cgraph_default_inline_p): Likewise.
11005 (cgraph_decide_inlining_incrementally): Likewise.
11006 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11007 (copy_bb): Kill saving; do updating of clones.
11008 (copy_cfg_body): Kill saving.
11009 (initialize_inlined-parameters): Likewise.
11010 (expand_call_inline): Likewise.
11012 (tree_function_versioning): New parameter "update_clones".
11013 (inlining_p): Kill saving.
11014 * tree-inline.h (tree_function_versioning): Update prototype.
11015 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11018 2006-01-11 Ian Lance Taylor <ian@airs.com>
11020 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11021 Allow undoing set of machine mode.
11022 (do_SUBST): Use enums instead of is_int.
11023 (do_SUBST_MODE): New function.
11024 (SUBST_MODE): New macro.
11025 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11026 reg and trying to replace reg_regno_rtx with a new register.
11027 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11028 (simplify_set): Use SUBST_MODE.
11029 (distribute_notes): Remove code that tried to update reg notes
11030 for regno_reg_rtx changes.
11032 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11034 PR tree-optimization/23109
11035 PR tree-optimization/23948
11036 PR tree-optimization/24123
11038 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11039 * tree-cfg.c (single_noncomplex_succ): New.
11040 * tree-flow.h (single_noncomplex_succ): Declare it.
11041 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11042 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11043 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11044 insert_bb, register_division_in, insert_reciprocals,
11045 replace_reciprocal, free_bb): New.
11046 (execute_cse_reciprocals_1): Rewritten.
11047 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11048 Do not commit any edge insertion. Always compute dominators and
11049 create the allocation pool.
11050 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11051 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11052 * targhooks.c (default_min_divistions_for_recip_mul): New.
11053 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11054 * passes.c (init_optimization_passes): Run recip after tree loop
11056 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11058 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11059 Kenneth Zadeck <zadeck@naturalbridge.com>
11061 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11062 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11063 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11064 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11065 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11066 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11067 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11068 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11069 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11070 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11071 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11072 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11073 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11074 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11075 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11076 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11077 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11078 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11079 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11080 DF_SCAN_POST_ALLOC): New macros.
11081 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11082 df_free_bb_function, df_local_compute_function, df_init_function,
11083 df_dataflow_function, df_confluence_function_0,
11084 df_confluence_function_n, df_transfer_function,
11085 df_finalizer_function, df_free_function, df_dump_problem_function,
11086 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11087 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11088 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11089 df_urec_bb_info, ) New types.
11090 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11092 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11093 df_analyze_simple_change_some_blocks,
11094 df_analyze_simple_change_one_block, df_compact_blocks,
11095 df_bb_replace, df_bb_regno_last_use_find,
11096 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11097 df_insn_regno_def_p, df_find_def, df_find_use,
11098 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11099 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11100 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11101 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11102 debug_df_chain, df_get_dependent_problem, df_chain_create,
11103 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11104 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11105 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11106 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11107 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11108 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11109 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11110 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11111 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11112 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11113 df_reorganize_refs, df_set_state, df_hard_reg_init,
11114 df_read_modify_subreg_p) New public functions.
11115 * df-core.c: The core dataflow solver and glue routines for rtl
11117 (df_init, df_add_problem, df_set_blocks, df_finish,
11118 df_hybrid_search_forward, df_hybrid_search_backward,
11119 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11120 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11121 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11122 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11123 df_reg_defined, df_find_use, df_reg_used, df_dump,
11124 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11125 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11126 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11127 debug_df_useno, reset_df_after_reload): New functions.
11128 * df-scan.c: The scanning fuctions, once in df.c, completely
11129 rewritten so that they now fully model the functionality of
11130 register usage at the backend.
11131 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11132 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11133 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11134 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11135 df_get_artificial_defs, df_get_artificial_uses,
11136 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11137 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11138 df_refs_delete, df_reorganize_refs, df_set_state,
11139 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11140 df_def_record_1, df_defs_record, df_uses_record,
11141 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11142 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11143 df_record_exit_block_uses, df_hard_reg_init): New functions.
11145 * df-problems.c: Seven concrete dataflow problems that use the
11146 scanning in df-scan.c and are solved by the engine in df-core.c.
11147 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11148 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11149 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11150 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11151 df_ru_free_bb_info, df_ru_alloc,
11152 df_ru_bb_local_compute_process_def,
11153 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11154 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11155 df_ru_transfer_function, df_ru_free, df_ru_dump,
11156 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11157 df_rd_free_bb_info, df_rd_alloc,
11158 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11159 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11160 df_rd_transfer_function, df_rd_free, df_rd_dump,
11161 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11162 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11163 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11164 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11165 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11166 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11167 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11168 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11169 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11170 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11171 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11172 df_urec_mark_reg_use_for_earlyclobber,
11173 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11174 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11175 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11176 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11177 df_chain_create_bb_process_use, df_chain_create_bb,
11178 df_chain_finalize, df_chain_free, df_chains_dump,
11179 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11180 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11181 df_reg_lifetime): New functions.
11182 * df.c: Deleted file.
11183 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11184 consistent with new df api.
11185 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11186 rest_of_handle_sms): Ditto.
11187 * web.c (unionfind_union, union_defs, entry_register, web_main):
11189 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11190 invariant_expr_equal_p, find_defs, check_dependencies,
11191 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11192 free_inv_motion_data, move_loop_invariants): Ditto.
11193 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11194 Update dependencies.
11195 (odf.c): Added defective entry that was deleted later in day.
11196 * sched-deps.c (sched_analyze_1): Ditto.
11198 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11200 * tree-ssa-operands.c (get_expr_operands): Record addressable
11201 variables directly. Do not call add_stmt_operands for CONST_DECLs
11203 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11204 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11206 2006-01-11 Ben Elliston <bje@au.ibm.com>
11208 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11209 function returns true in the positive case.
11211 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11214 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11215 for SI, DI, SF and DF modes. Add alternatives to copy between
11216 general and floating point registers to the 32-bit patterns.
11217 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11218 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11219 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11220 generating 64-bit code.
11221 * config/pa/pa.c (output_move_double): Handle copies between general
11222 and floating registers.
11224 2006-01-10 Stuart Hastings <stuart@apple.com>
11226 * config/i386/i386.md (set_got): Update.
11227 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11228 (builtin_setjmp_receiver): Mach-O support.
11229 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11230 (GOT_SYMBOL_NAME): Define.
11231 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11232 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11233 * config/i386/i386.c (override_options): Revise for Darwin.
11234 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11235 support. (darwin_x86_file_end): New. (output_set_got): Add label
11236 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11237 * config/i386/i386-protos.h (output_set_got): Likewise.
11238 * config/darwin.c (machopic_legitimize_pic_address): Update
11241 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11243 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11244 when MODE isn't BLKmode.
11246 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11248 PR rtl-optimization/25367
11249 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11251 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11254 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11255 for a negative bound.
11257 2006-01-10 Richard Guenther <rguenther@suse.de>
11259 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11260 Never override with anything constraint.
11262 2006-01-10 Jan Beulich <jbeulich@novell.com>
11264 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11265 256 bits when optimize_size.
11267 2006-01-10 Jan Beulich <jbeulich@novell.com>
11269 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11271 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11272 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11275 2006-01-10 Ben Elliston <bje@au.ibm.com>
11277 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11279 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11280 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11281 (USE_FP_FOR_ARG): Reject decimal float modes.
11282 (function_arg_advance): Likewise.
11283 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11284 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11285 point types in AltiVec vectors.
11286 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11287 (rs6000_libcall_value): Likewise.
11289 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11291 * config/xtensa/ieee754-df.S: New file.
11292 * config/xtensa/ieee754-sf.S: New file.
11293 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11294 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11295 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11297 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11299 * config/sh/predicates.md (binary_float_operator,
11300 binary_logical_operator, commutative_float_operator,
11301 equality_comparison_operator, greater_comparison_operator,
11302 less_comparison_operator, logical_operator,
11303 noncommutative_float_operator, shift_operator,
11304 symbol_ref_operand, unary_float_operator): Remove redundant
11307 2006-01-09 Jeff Law <law@redhat.com>
11309 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11310 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11311 now unused arguments. Callers updated.
11312 (eliminate_redundant_computations): Remove now unused arguments,
11314 (local_fold): Remove, no longer used.
11315 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11317 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11318 (simplify_cond): New function.
11319 (forward_propagate_into_cond): Call simplify_cond.
11321 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11323 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11324 (*vec_extractv2di_1_sse): New.
11326 2006-01-09 Ben Elliston <bje@au.ibm.com>
11328 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11330 2006-01-08 Richard Guenther <rguenther@suse.de>
11332 * tree-ssa-structalias.c (get_constraint_for): Remove
11333 anyoffset argument.
11334 (get_constraint_for_component_ref): Likewise.
11335 (do_deref): Likewise.
11336 (get_constraint_for): Likewise.
11337 (do_structure_copy): Likewise.
11338 (handle_ptr_arith): Likewise.
11339 (find_func_aliases): Likewise. Remove unused need_anyoffset
11342 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11343 Kaz Kojima <kkojima@gcc.gnu.org>
11345 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11346 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11347 (EXTRA_CONSTRAINT_C16): Remove.
11348 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11349 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11350 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11351 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11352 constants of SHmedia. Handle nested constant expressions of
11354 (andcosts): Fix the costs for SHmedia constants.
11355 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11356 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11357 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11358 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11359 (movv4hi_i, movv2si_i): Likewise.
11360 (movsi_const): Adjust the second operand of ior so to match with
11361 the Csu constraint.
11362 (movdi_const, movdi_const_32bit): Likewise.
11363 (movdi_const_16bit+1): Don't sign-extend LOW.
11364 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11366 (*double_shori): Fix the split condition. Use GEN_INT instead
11367 of get_int_mode calls. Mask lower 16-bit of the argument of
11369 (sym2GOTPLT): Remove.
11370 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11372 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11373 instead of EXTRA_CONSTRAINT_C16.
11375 2006-01-07 Ian Lance Taylor <ian@airs.com>
11376 David Edelsohn <edelsohn@gnu.org>
11378 PR rtl-optimization/25662
11379 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11380 for constant operands instead of simplify_gen_binary.
11381 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11382 after trying simplify_binary_operation
11384 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11386 * tree.c (iterative_hash_expr): Hash decls based on UID.
11388 2006-01-06 Eric Christopher <echristo@apple.com>
11390 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11391 (TARGET_UNWIND_EMIT): Fix spelling.
11392 * target.h (gcc_target): Add except_table_label.
11393 * except.c (output_function_exception_table): Use.
11394 * varasm.c (default_emit_except_table_label): New.
11395 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11397 (asm_out): Add here.
11398 * output.h (default_emit_except_table_label): Prototype.
11399 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11400 * config/darwin.c (darwin_emit_except_table_label): Define.
11401 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11403 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11405 PR tree-optimization/18527
11406 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11407 number_of_iterations_special, number_of_iterations_exit):
11408 Move base and step of an iv to a single structure. Add
11409 no_overflow flag, and use it in # of iterations analysis.
11410 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11411 folded_casts argument.
11412 (simple_iv): Pass base and step in a structure. Set no_overflow
11414 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11415 Evaluate expensiveness of computing # of iterations instead of
11416 the final expression.
11417 * tree-scalar-evolution.h (affine_iv): New structure.
11418 (simple_iv): Declaration changed.
11419 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11420 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11421 find_givs_in_stmt): Changed due to simple_iv change.
11423 2006-01-06 Jeff Law <law@redhat.com>
11426 * tree-cfg.c (bsi_replace): Rename final argument from
11427 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11428 change (stmt -> orig_stmt).
11429 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11430 (bsi_remove): Add new argument. Remove EH information
11432 (verify_eh_throw_table_statements): New function.
11433 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11435 * tree-optimize.c (execute_free_cfg_annotations): Verify
11436 the EH throw statement table after removing annotations.
11437 * except.h (verify_eh_throw_table_statements): Prototype.
11438 * tree-flow.h (bsi_remove): Update prototype.
11439 * tree-vrp.c (remove_range_assertions): Add new argument to
11441 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11442 * tree-complex.c (expand_complex_div_wide): Likewise.
11443 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11444 * tree-tailcall.c (eliminate_tailcall): Likewise.
11445 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11446 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11447 * tree-nrv.c (tree_nrv): Likewise.
11448 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11449 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11450 (combine_blocks): Likewise.
11451 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11452 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11453 (cleanup_control_flow): Likewise.
11454 (remove_forwarder_block): Likewise.
11455 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11456 * tree-sra.c (sra_replace): Likewise.
11457 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11458 (forward_propagate_single_use_vars): Likewise.
11459 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11460 * tree-inline.c (expand_call_inline): Likewise.
11461 * tree-vect-transform.c (vect_transform_loop): Likewise.
11462 * tree-outof-ssa.c (rewrite_trees): Likewise.
11463 * tree-cfg.c (make_goto_expr_edges): Likewise.
11464 (cleanup_dead_labels): Likewise.
11465 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11466 (bsi_move_before, bsi_move_after): Likewise.
11467 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11468 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11470 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11473 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11475 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11476 on non gimple variables. Also add checks at the top for decls and
11478 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11480 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11481 and IMAGPART_EXPR for creating MUST_DEFs.
11482 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11483 and NAME_MEMORY_TAG separately from the DECLs.
11485 2006-01-06 Richard Guenther <rguenther@suse.de>
11487 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11488 annotation, if necessary.
11489 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11490 redundant calls to update_stmt.
11491 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11494 2006-01-05 Richard Henderson <rth@redhat.com>
11496 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11498 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11500 * c-typeck.c: Update copyright date.
11502 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11504 * c-typeck.c (build_c_cast): Always warn when casting
11505 from a pointer to an integer of different size, even if
11506 the node was constant.
11508 2006-01-05 Richard Guenther <rguenther@suse.de>
11510 PR tree-optimization/22555
11511 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11512 if one structure field is an array.
11513 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11514 operands even if we found a subvar, but ignore VOPs in this
11516 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11518 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11520 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11522 PR middle-end/24998
11523 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11525 2006-01-05 Richard Guenther <rguenther@suse.de>
11526 Diego Novillo <dnovillo@redhat.com>
11528 * tree-pass.h (TODO_remove_unused_locals): Define.
11529 * gimple-low.c (expand_var_p, remove_useless_vars,
11530 pass_remove_useless_vars): Remove. Update all users.
11531 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11532 (remove_unused_locals): New function.
11533 * tree-flow.h (remove_unused_locals): Declare.
11534 * passes.c (execute_todo): Call remove_unused_locals if
11535 TODO_remove_unused_locals is set.
11536 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11537 * tree-ssa-dce.c (pass_dce): Likewise.
11538 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11540 2006-01-05 Richard Guenther <rguenther@suse.de>
11542 * tree-flow.h (struct fieldoff): Decompose field to
11543 type, size and decl.
11544 * tree-ssa-alias.c (create_sft): Take type as parameter.
11545 (create_overlap_variables_for): Store type, size and decl
11546 in the fieldoff structure.
11547 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11548 of struct fieldoff.
11549 (push_fields_onto_fieldstack): Likewise.
11550 (create_variable_info_for): Likewise. Use offset for the
11551 SFT name if the decl is not available.
11553 2006-01-04 Paul Brook <paul@codesourcery.com>
11555 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11557 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11559 * lambda-code.c (can_put_in_inner_loop): Relax
11561 (can_put_after_inner_loop): New function.
11562 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11563 (perfect_nestify): Change to make copies and modify uses.
11565 2006-01-04 Richard Henderson <rth@redhat.com>
11567 Merge from gomp branch:
11568 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11569 via integer constant.
11570 (pragma_lex): Remove.
11571 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11572 rather than parsing it.
11573 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11574 handle_pragma_extern_prefix): Add %< %> quotes.
11575 (registered_pragmas): New.
11576 (c_register_pragma_1): New.
11577 (c_register_pragma): Use it.
11578 (c_register_pragma_with_expansion): Likewise.
11579 (c_invoke_pragma_handler): New.
11580 (init_pragma): Use cpp_register_deferred_pragma directly for
11582 * c-pragma.h (enum pragma_kind): New.
11583 (pragma_handler): New.
11584 (c_invoke_pragma_handler): Declare.
11585 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11587 * c-common.h (c_common_pch_pragma): Update decl.
11588 * Makefile.in (c-parser.o): Update dependencies.
11589 (GTFILES): Add c-pragma.h.
11590 * c-parser.c (struct c_token): Add pragma_kind.
11591 (struct c_parser): Add in_pragma.
11592 (c_lex_one_token): Always initialize keyword and pragma_kind.
11593 Extract data for CPP_PRAGMA.
11594 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11595 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11596 Don't allow CPP_PRAGMA_EOL if in_pragma.
11597 (c_parser_consume_pragma): New.
11598 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11599 (c_parser_skip_to_end_of_parameter): Likewise.
11600 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11601 (c_parser_skip_to_pragma_eol): New.
11602 (c_parser_external_declaration): Handle CPP_PRAGMA.
11603 (c_parser_compound_statement_nostart): Likewise.
11604 (c_parser_statement_after_labels): Likewise.
11605 (c_parser_pragma): New.
11606 (pragma_lex): Likewise.
11607 (c_parser_pragma_pch_preprocess): New.
11608 (c_parser_new): Merge into ...
11609 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11611 2006-01-04 Jeff Law <law@redhat.com>
11614 * tree-cfg.c (bsi_replace): Remove the original statement
11615 from the EH throw statement table.
11617 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11619 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11620 make the prototype extern "C" and add throw ().
11623 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11624 and pos non-negative and pos + len <= 32.
11625 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11626 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11627 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11630 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11631 as well as sizes not multiple of component size.
11634 * function.c (instantiate_expr): New function.
11635 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11636 walk its DECL_VALUE_EXPR with instantiate_expr.
11638 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11639 DW_OP_deref{,_size} if address isn't going to be added.
11641 2006-01-04 Ben Elliston <bje@au.ibm.com>
11643 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11644 * config/fp-bit.c: Likewise.
11646 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11648 * dominance.c: Add comment about why we use DFS numbering
11651 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11652 Richard Henderson <rth@redhat.com>
11654 Merge from gomp-branch:
11655 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11656 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11658 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11660 PR rtl-optimization/25578
11661 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11662 pass a parameter to simplify_shift_const if changing ASHIFTRT
11665 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11667 * builtins.c (get_builtin_sync_mem): New function.
11668 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11669 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11670 Call get_builtin_sync_mem to generate mem rtx.
11672 2006-01-03 Richard Guenther <rguenther@suse.de>
11675 * stmt.c (add_case_node): Make sure to clear overflow flags
11678 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11680 Merge from gomp-branch.
11681 * config/sparc/sync.md: New file.
11682 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11683 UNSPECV_LDSTUB): New constants.
11684 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11685 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11686 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11689 2006-01-03 Roger Sayle <roger@eyesopen.com>
11691 * combine.c (reg_subword_p): New predicate to test whether the
11692 destination of a set refers to a subword/piece of a register.
11693 (try_combine): Generalize the code to merge the setting of a
11694 pseudo to a constant followed by a set of a subword of that
11695 register to a constant.
11697 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11699 * basic-block.h (control_flow_graph): Change the type of
11700 x_label_to_block_map to VEC(basic_block,gc) *.
11701 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11702 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11704 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11705 VEC(basic_block,heap) *.
11706 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11707 ssa_prop_fini): Adjust the uses of cfg_blocks.
11709 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11711 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11713 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11714 hashing trees instead of a pointer hash.
11715 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11716 compare for MEM_EXPR.
11718 PR rtl-optimization/25130
11719 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11720 when comparing MEMs for GCSE
11722 2006-01-03 Ben Elliston <bje@au.ibm.com>
11724 * targhooks.h (default_decimal_float_supported_p): Declare.
11725 * targhooks.c (default_decimal_float_supported_p): Define.
11726 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11727 `default_decimal_float_supported_p'.
11728 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11730 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11732 * combine.c (apply_distributive_law <SUBREG>): Check
11733 TRULY_NOOP_TRUNCATION.
11735 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11737 * dwarf2out.c (have_switched_text_section): Delete.
11738 (have_multiple_function_sections): New.
11739 (have_location_lists): Make 'bool'.
11740 (add_AT_loc_list): Use 'true' not '1'.
11741 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11742 (output_loc_list): Use have_multiple_function_sections.
11743 (output_ranges): Likewise.
11744 (dwarf2out_begin_function): Set have_multiple_function_sections if
11746 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11747 Check function_section rather than DECL_SECTION_NAME.
11748 (dwarf2out_finish): Use have_multiple_function_sections.
11749 Don't clear have_location_lists.
11751 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11752 Jan Hubicka <jh@suse.cz>
11754 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11755 case of conditional jump jumping to the next instruction.
11756 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11757 cases of conditional jump jumping to the next instruction.
11759 2006-01-02 Jan Hubicka <jh@suse.cz>
11761 * i386.c (*_cost): Add COSTS_N_INSNS.
11762 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11764 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11767 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11769 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11771 * config/arm/arm.c (all_fpus): Fix comment typo.
11772 * config/darwin.c: Likewise.
11773 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11774 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11775 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11777 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11779 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11780 (rs6000_split_compare_and_swapqhi): New.
11781 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11782 (sync_compare_and_swapqhi_internal): New.
11783 * config/rs6000/rs6000-protos.h: Declare.