1 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3 * c-common.h: Remove the prototype for yyparse.
4 * rtl.h: Remove the prototype for init_loop.
6 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11 2006-05-30 Roger Sayle <roger@eyesopen.com>
13 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
15 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
16 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
18 2006-05-30 Dirk Mueller <dmueller@suse.de>
21 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
22 for CONSTANT_CLASS_P expresisons.
24 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
27 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
29 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
31 PR tree-optimization/27779
32 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
33 initial_condition instead of CHREC_LEFT.
35 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
37 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
38 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
39 Make prototypes ISO C90.
41 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
42 Leehod Baruch <leehod.baruch@weizmann.ac.il>
44 * see.c (see_analyze_one_def): Correct check.
45 (see_get_extension_data): Check if extension is parallel.
46 (see_get_extension_reg): Likewise.
48 2006-05-30 Uros Bizjak <uros@kss-loka.si>
51 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
52 into register for (code == GTU).
54 2006-05-29 Roger Sayle <roger@eyesopen.com>
56 PR tree-optimization/24964
57 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
58 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
59 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
60 abs(x)*abs(x) as x*x for scalar floating point modes.
62 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
65 * lambda-code.c (perfect_nestify): Don't copy statements
66 in the inner loop: move them to the inner loop header.
68 2006-05-29 Diego Novillo <dnovillo@redhat.com>
71 * c-tree.texi: Document OpenMP directives and clauses.
73 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
75 * varasm.c (globalize_decl): Fix indentation.
77 2006-05-29 Diego Novillo <dnovillo@redhat.com>
80 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
81 pass_fre, pass_store_ccp, pass_copy_prop,
82 pass_store_copy_prop, pass_merge_phi, pass_nrv,
83 pass_return_slot, pass_object_size, pass_lim,
84 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
85 pass_loop_prefetch and pass_stdarg.
87 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
89 * config/bfin/bfin.opt (mfdpic): New option.
90 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
91 (EXTRA_MULTILIB_PARTS): Likewise.
92 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
93 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
95 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
96 (CRT_CALL_STATIC_FUNCTION): New.
97 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
99 (CRT_CALL_STATIC_FUNCTION): New.
100 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
102 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
103 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
104 (initialize_trampoline): Changed to handle FD-PIC code generation.
105 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
106 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
107 (override_options): Disallow -mid-shared-library -mfdpic combination.
108 Can't do unaligned ops if FD-PIC.
109 Turn off flag_pic if trying to generate non-id-shared-library
110 non-fdpic code, since it's not supported.
111 (bfin_assemble_integer): New function.
112 (TARGET_ASM_INTEGER): Define.
113 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
115 * config/bfin/crtn.s: Restore them.
116 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
118 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
119 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
120 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
121 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
122 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
124 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
125 FDPIC_REGS and FDPIC_FPTR_REGS.
126 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
127 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
128 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
129 (load_funcdescsi): New pattern.
130 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
131 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
132 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
134 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
136 * gcse.c, rtlanal.c: Remove obsolete comments associated with
139 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
141 * tree-flow.h: Remove the prototype for add_type_alias.
142 * tree-ssa-alias.c (add_type_alias): Remove.
144 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
146 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
147 config/fr30/fr30.md, config/i386/i386-interix.h,
148 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
149 config/sh/superh64.h, config/v850/v850.c, df-core.c,
150 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
151 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
152 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
153 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
154 Follow spelling conventions.
155 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
156 Follow spelling conventions.
158 2006-05-27 Richard Guenther <rguenther@suse.de>
161 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
162 to produce a constant of value 1 of generic type.
164 2006-05-27 Dirk Mueller <dmueller@suse.de>
166 * cgraphunit.c (decide_is_function_needed): Fix wrong
169 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
171 PR rtl-optimization/27661
172 * reload.c (find_reloads): When reloading a VOIDmode constant
173 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
174 use Pmode as mode of the reload register.
176 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
178 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
179 is enabled at -O and above.
181 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
184 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
187 2006-05-25 Mark Mitchell <mark@codesourcery.com>
190 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
191 for anonymous variables explicitly declared by front ends.
193 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
195 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
196 (struct alias_info): Add new field ref_all_symbol_mem_tag.
197 * tree-ssa-alias.c (compute_may_aliases): If the program contains
198 ref-all pointers, run a finalization pass for them.
199 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
200 (finalize_ref_all_pointers): New function.
201 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
202 regular pointer type to a ref-all pointer type.
203 (get_tmt_for): Return the special memory tag for ref-all pointers.
205 2006-05-25 Richard Guenther <rguenther@suse.de>
208 * fold-const.c (fold_binary): Do not look at the stripped
209 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
211 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
213 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
214 for LT and GT if the computed range is effectively empty.
216 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
219 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
220 mips_quad_format formats instead of ieee_single_format,
221 ieee_double_format and ieee_quad_format formats, respectively.
223 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
225 PR tree-optimization/27639
226 PR tree-optimization/26719
227 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
228 call to scev_probably_wraps_p.
229 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
230 used_in_pointer_arithmetic_p, convert_step): Removed.
231 (nowrap_type_p): New function.
232 (scev_probably_wraps_p): Rewritten.
233 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
234 chrec_convert if chrec_convert_aggressive might have been used.
235 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
236 scev_direction): New functions.
237 (chrec_convert): Changed to a wrapper over chrec_convert_1.
238 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
239 instead of convert_step.
240 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
241 (convert_step): Declaration removed.
242 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
244 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
246 * df-core.c: Added to header comments.
247 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
248 df_ur_bb_info, df_urec_bb_info): Added comments.
249 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
250 urec, ri problems): Fixed header comments.
251 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
252 code from df_rd_transfer_function.
254 2006-05-23 Richard Sandiford <richard@codesourcery.com>
256 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
257 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
258 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
260 2006-05-23 Joseph Myers <joseph@codesourcery.com>
262 * expr.c (undefined_operand_subword_p): New.
263 (emit_move_multi_word): Do not generate move from undefined bits
264 of a paradoxical subreg.
266 2006-05-23 Richard Sandiford <richard@codesourcery.com>
268 PR rtl-optimization/27736
269 * combine.c (replaced_rhs_value): New variable.
270 (combine_instructions): Set it.
271 (distribute_notes): When distributing a note in replaced_rhs_insn,
272 check whether the value was used in replaced_rhs_value.
274 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
277 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
278 add_referenced_var instead of add_referenced_tmp_var.
279 * tree-complex.c (create_one_component_var): Use add_referenced_var.
280 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
282 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
283 tree_optimize_tail_calls_1): Use add_referenced_var.
284 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
285 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
286 Use add_referenced_var.
287 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
288 * gimplify.c (force_gimple_operand): Use add_referenced_var.
289 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
290 Use add_referenced_var.
291 * tree-dfa.c (struct walk_state): Remove.
292 (find_referenced_vars): Remove walk state and vars_found hash table.
293 (make_rename_temp): Use add_referenced_var.
294 (find_vars_r): Pass less parameters to add_referenced_var.
295 (referenced_var_p): New. Is var in referenced_var hash table.
296 (referenced_var_insert): Assert var isn't already in hash table.
297 (add_referenced_var): Don't need walk_state parameter. Add var if it
298 isn't already in the hash table.
299 (add_referenced_tmp_var): Remove.
300 (find_new_referenced_vars_1): Use add_referenced_var.
301 * tree-ssa-pre.c (create_expression_by_pieces,
302 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
303 Use add_referenced_var.
304 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
305 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
306 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
308 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
309 vect_create_data_ref_ptr, vect_create_destination_var,
310 vect_init_vector, vect_build_loop_niters,
311 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
312 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
313 Use add_referenced_var.
314 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
315 * tree-flow.h (add_referenced_tmp_var): Remove prototype
316 (add_referenced_var): Add prototype.
317 * tree-ssa-structalias.c (get_constraint_for,
318 intra_create_variable_infos): Use add_referenced_var.
320 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
322 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
323 big-endian paradoxical subregs.
324 * var-tracking.c (struct micro_operation_def): Document that,
325 for modify micro operations, insn is the subsequent instruction.
326 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
327 (var_reg_set, var_mem_set): ... new functions.
328 (add_stores): Record subsequent insn.
329 (compute_bb_dataflow): Use new functions for MO_USE.
330 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
331 notes after the insn, and modify notes before the insn known
332 to be the subsequent one.
333 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
335 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
338 * config/i386/i386.c (ix86_expand_builtin): Use
339 gen_sse3_monitor64 for TARGET_64BIT.
341 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
343 PR rtl-optimization/26375
344 PR rtl-optimization/26855
345 * df-problems (df_ru_bb_local_compute_process_def): Removed update
347 (df_ru_bb_local_compute): Reversed statements and removed bogus
348 comment explaining why they should be in wrong order.
349 (df_ru_dump, df_rd_dump): Enhanced debug info.
350 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
352 * ddg.c (add_deps_for_def): Converted use of reaching defs to
353 reaching uses and fixed space problem.
355 2006-05-23 Jan Hubicka <jh@suse.cz>
357 * cgraphunit.c (decide_is_function_needed): Also nested functions
358 and functions declared inline can be optimized out at -O0.
360 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
362 * doc/install.texi (Configuration): Remove reference to CrossGCC
363 FAQ which was hijacked.
366 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
369 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
370 ix86_compare_emitted is non-NULL.
372 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
375 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
378 2006-05-22 Richard Sandiford <richard@codesourcery.com>
380 PR rtl-optimization/25514
381 * combine.c (replaced_rhs_insn): New variable.
382 (combine_instructions): Set replaced_rhs_insn when trying to replace
383 a SET_SRC with a REG_EQUAL note.
384 (distribute_notes): Use replaced_rhs_insn when determining the live
385 range of a REG_DEAD register.
387 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
388 Anatoly Sokolov <aesok@post.ru>
390 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
391 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
392 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
393 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
394 atmega3290, atmega649, atmega6490, atmega406, atmega640,
395 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
396 at90usb647, at90usb1286 and at90usb1287 devices.
397 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
398 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
400 2006-05-22 Richard Sandiford <richard@codesourcery.com>
402 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
404 2006-05-22 Richard Guenther <rguenther@suse.de>
407 2006-01-31 Richard Guenther <rguenther@suse.de>
408 Paolo Bonzini <bonzini@gnu.org>
410 * doc/install.texi (--disable-libgcc-math): Document.
412 2006-05-22 Richard Guenther <rguenther@suse.de>
415 2006-01-31 Richard Guenther <rguenther@suse.de>
417 * doc/invoke.texi (-msselibm): Document.
418 * target.h (expand_library_builtin): New target hook.
419 * builtins.c (expand_builtin): Use expand_library_builtin.
420 (default_expand_library_builtin): New function.
421 * gcc.c (LINK_GCC_MATH_SPEC): Define.
422 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
423 (link_gcc_math_spec): Declare.
424 (static_specs): Add link_gcc_math_spec.
425 * expr.h (default_expand_library_builtin): Declare.
426 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
427 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
428 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
429 * config/i386/i386.opt (msselibm): New target option.
430 * config/i386/i386.c (ix86_builtin_function_variants): New array.
431 (ix86_init_sse_abi_builtins): New function.
432 (ix86_expand_library_builtin): Likewise.
433 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
434 (override_options): Handle error conditions wrt -msselibm.
435 (ix86_builtins): Add function codes for SSE2 ABI builtins.
436 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
437 * doc/extend.texi (__builtin_sse2_*): Document new target specific
440 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
443 * c-common.c (self_promoting_args_p): Skip erroneous args.
446 * c-decl.c (finish_struct): Skip erroneous fields.
448 2006-05-22 Nick Clifton <nickc@redhat.com>
450 * config/cris/cris.opt (march): Remove VarExists attribute.
451 (max-stackframe=): Likewise.
453 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
455 * doc/rtl.texi: Fix a typo.
456 * see.c: Fix comment typos.
458 * tree-ssa-structalias.h (alias_info): Remove num_references.
460 2006-05-21 Mike Stump <mrs@apple.com>
462 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
464 (darwin_pragma_options): Use BAD instead.
465 (darwin_pragma_unused): Likewise.
466 (darwin_pragma_ms_struct): Likewise.
468 2006-05-21 David Edelsohn <edelsohn@gnu.org>
470 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
472 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
474 PR rtl-optimization/27671
475 * simplify-rtx.c (simplify_relational_operation_1): Fix
476 simplifications of (eq/ne (xor x y) y) and
479 PR tree-optimization/26622.
480 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
483 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
485 * tree-cfg.c: Prune whitespace.
486 (debug_tree_cfg): Point to correct header containing the
489 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
492 * cgraphunit.c (verify_cgraph_node): Typo in error message.
494 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
497 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
498 or sorry count is non zero.
500 2006-05-20 Andreas Schwab <schwab@suse.de>
502 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
504 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
505 Kenneth Zadeck <zadeck@naturalbridge.com>
507 PR rtl-optimization/26855
509 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
511 (df_scan_alloc): Added code to properly handle multiword hard
512 registers and add all_blocks parameter.
513 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
514 code to properly handle multiword hard registers.
515 (df_rescan_blocks): Added code to remove deleted blocks from
517 (df_ref_create_structure, df_ref_record): Added code to properly
519 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
520 and set DF_REF_PARTIAL.
521 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
522 (df_uses_record): Added DF_REF_PARTIAL for subreg.
523 (df_scan_add_problem): Added flags parameter.
524 (df_ref_create_structure): Changed switching structure.
525 (df_bb_refs_record): Fixed case where duplicate artificial refs
526 were created. Changed location of flags.
527 (df_record_entry_block_defs): Added code to make stack pointer
528 live in entry block. Refined cases where frame pointer is needed.
529 Changed location of flags.
530 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
531 (df_set_state): Removed function.
532 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
533 df_insn_create_insn_record, df_insn_refs_delete,
534 df_ref_create_structure): Formatting changes.
535 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
536 df_delete_basic_block): New function.
537 (df_init): Changed location of flags.
538 (df_add_problem): Added flags parameter and the way flags are
540 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
541 debug_df_chain): Improved debugging output.
542 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
543 (df_refs_chain_dump): Removed df parameter.
544 (df_iterative_dataflow): Added consistency check.
545 (df_prune_to_subcfg): Made public.
546 (df_analyze_problem): Added blocks_to_init parameter and made
548 (df_ref_record, df_bb_refs_record, df_mark_reg,
549 df_record_exit_block_uses): Whitespace changes.
550 (df_dump): Whitespace changes.
551 * df.h: Some reordering to remove forward references.
552 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
553 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
554 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
555 (dataflow.flags): New field.
556 (df.flag): Deleted field.
557 (df_alloc_function): Added additional bitmap parameter.
558 (df_dependent_problem_function): New type.
559 (df_problem.changeable_flags): New field.
560 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
561 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
562 (df_mw_hardreg): New struct.
563 (DF_INSN_UID_MWS): New macro.
564 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
566 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
567 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
568 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
569 (df_set_state): Removed function.
570 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
571 * df-problems.c (df_chain_dump): Removed df parameter.
572 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
573 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
575 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
576 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
577 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
578 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
579 DF_REF_MUST_CLOBBER cases.
580 (df_ru_bb_local_compute_process_def,
581 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
582 df_lr_bb_local_compute, df_ur_bb_local_compute,
583 df_chain_create_bb): Made subreg aware.
584 (df_ru_bb_local_compute, df_rd_bb_local_compute,
585 df_lr_bb_local_compute, df_lr_bb_local_compute,
586 df_chain_create_bb): Cleanup to use proper macros.
587 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
588 code to fixup bitvectors.
589 (df_ri_alloc): Cleared lifetime.
590 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
591 df_create_unused_note): New function.
592 (df_ri_bb_compute, df_ri_compute): Added code to create/update
593 REG_DEAD and REG_UNUSED notes as well as register information.
594 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
595 df_chains_dump): Fixed crash if problem was never run.
596 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
597 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
598 df_ri_add_problem): Processes flags in uniform manner.
599 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
600 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
601 df_rd_dump, df_urec_free_bb_info): Formatting changes.
602 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
603 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
604 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
605 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
606 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
607 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
608 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
609 * see.c (see_initialize_data): Ditto.
610 * final.c (rest_of_clean_state) Added regstack_completed.
611 * rtl.h (regstack_completed): Ditto.
612 * reg-stack.c (regstack_completed): Ditto.
614 2006-05-19 Mike Stump <mrs@apple.com>
616 * c-tree.h (default_conversion): Remove.
617 * c-common.h (default_conversion): Add.
619 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
621 * tree-vrp.c (valid_value_p): New function.
622 (adjust_range_with_scev): Fail if the value of bound is not
625 2006-05-19 Richard Sandiford <richard@codesourcery.com>
627 * config/mips/linux-unwind.h: Include <asm/unistd.h>
628 (mips_fallback_frame_state): Use syscall numbers to determine
629 the appropriate li instruction for the current ABI. Only use
630 __NR_sigreturn for o32.
632 2006-05-19 Nicolas Setton <setton@adacore.com>
634 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
635 * langhooks.c (lhd_dwarf_name): New function.
636 * langhooks-def.h (lhd_dwarf_name): Declare.
637 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
638 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
639 * ada/misc.c (gnat_dwarf_name): New function.
640 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
642 2006-05-19 Richard Sandiford <richard@codesourcery.com>
644 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
646 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
647 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
648 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
649 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
650 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
651 determine the size of Wtype, etc.
652 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
653 (swfloatfuncs): New variable.
654 (dwfloatfuncs): Likewise.
655 (lib2funcs): Remove floating-point conversion functions from
656 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
657 the set of conversion routines needed. Allow entries to specify
658 an object name, filename and word size. Update users accordingly.
659 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
660 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
664 2006-02-08 Roger Sayle <roger@eyesopen.com>
667 * config/fixtfdi.c: New libgcc source file.
668 * config/fixunstfdi.c: New source file.
669 * config/floatditf.c: New source file.
670 * config/floatunditf.c: New souce file.
671 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
672 files above instead of config/mips/_tilib.c.
673 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
675 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
677 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
678 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
680 2006-05-18 Mike Stump <mrs@apple.com>
682 Fix up vla, vm and [*] sematics.
688 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
689 (c_vla_unspec_p): Add.
691 * c-decl.c (struct c_scope): Add had_vla_unspec.
692 (build_array_declarator): Add support for [*].
693 (grokdeclarator): Likewise.
694 (grokparms): Likewise.
695 (get_parm_info): Likewise.
696 * c-objc-common.c (c_vla_unspec_p): Likewise.
697 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
698 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
699 typeof when argument is a variably modified type not inside sizeof or alignof.
700 (c_parser_direct_declarator_inner): Propagate errors.
701 (c_parser_sizeof_expression): Add support for [*].
702 (c_parser_parms_declarator): Initialize had_vla_unspec.
703 (c_parser_parms_list_declarator): Likewise.
704 * c-typeck.c (c_vla_type_p): Add.
705 (composite_type): Add support for vla compositing.
706 (comptypes_internal): Add support for vla compatibility.
707 (c_expr_sizeof_expr): Evaluate vla arguments.
708 * tree.c (variably_modified_type_p): Update comment for [*].
710 2006-05-18 Michael Matz <matz@suse.de>
713 * config.host: Make assignments to host_xmake_file cumulative.
714 * config.host (*-darwin*): Test $host, not $target.
716 2006-05-12 Stuart Hastings <stuart@apple.com>
718 * config/i386/i386.opt (-mstackrealign): New flag.
719 * config/i386/i386.c (force_align_arg_pointer): New attribute.
720 (ix86_handle_cconv_attribute): Emit error when
721 force_align_arg_pointer attribute collides with too many regparms.
722 (ix86_function_regparm): Limit regparms when used with
723 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
724 Support stack-realigning prologue in non-main functions. Emit
725 warning for nested functions under -mstackrealign, emit error for
726 nested functions with force_align_arg_pointer attribute.
727 * doc/extend.texi (force_align_arg_pointer): Document it.
728 * doc/invoke.texi (-mstackrealign): Document it.
730 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
732 PR rtl-optimization/27477
733 * combine.c (try_combine): Don't split a parallel consisting
734 of two sets into two individual sets if both sets reference
737 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
739 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
740 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
742 * doc/options.texi (VarExists): Updated.
744 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
746 * unwind-dw2.c: Add declarations for uw_update_context and
748 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
749 detected, advance frame state and context once to skip over stub.
751 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
755 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
756 Call rewrite_into_loop_closed_ssa only when something changed.
757 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
758 * lambda-code.c (can_convert_to_perfect_nest): Declared.
759 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
760 Test for perfect_nest_p here. Fix formating.
761 (replace_uses_equiv_to_x_with_y): Fix formating.
762 (stmt_uses_op): Removed.
763 (can_convert_to_perfect_nest): Removed loopivs parameter.
764 Complete the test by checking the scalar dependences.
765 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
768 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
771 From Dan Kegel <dank@kegel.com>:
772 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
774 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
776 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
777 if the element type is variably modified without recursing.
779 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
782 * tree-loop-linear.c (try_interchange_loops): Test for
785 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
787 PR tree-optimization/27548
788 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
789 range of ssa names that appear on abnormal edges.
790 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
791 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
793 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
796 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
798 2006-05-17 Jakub Jelinek <jakub@redhat.com>
801 * tree.h (OMP_PARALLEL_COMBINED): Define.
802 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
803 (new_omp_context): Add is_combined_parallel argument.
804 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
805 new_omp_context caller.
806 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
807 Adjust gimplify_scan_omp_clauses callers.
808 (omp_is_private): Issue errors if iteration variable is firstprivate
809 or reduction in the current context.
810 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
811 on combined parallel workshare constructs.
813 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
815 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
816 (gcc-options.o): New rule.
818 * optc-gen.awk: Protect variables for gcc-options.o with
819 #ifdef GCC_DRIVER/#endif.
821 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
823 Fix PR tree-optimization/27373
824 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
825 (forward_propagate_addr_expr): Update call.
827 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
829 * doc/options.texi: Move the Negative option.
831 2006-05-16 Richard Guenther <rguenther@suse.de>
833 PR tree-optimization/22303
834 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
836 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
837 ccp_fold did not simplify the statement.
839 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
842 * Makefile.in (GCC_OBJS): New.
843 (OBJS-common): Add opts-common.o.
844 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
845 (cpp$(exeext)): Likewise.
846 (gcc.o): Also depend on opts.h.
847 (opts-common.o): New.
849 * common.opt (gcoff): Add Negative(gdwarf-2).
850 (gdwarf-2): Add Negative(gstabs).
851 (gstabs): Add Negative(gstabs+).
852 (gstabs+): Add Negative(gvms).
853 (gvms): Add Negative(gxcoff).
854 (gxcoff): Add Negative(gxcoff+).
855 (gxcoff+): Add Negative(gcoff).
856 * config/i386/i386.opt (m32): Add Negative(m64).
857 (m64): Add Negative(m32).
859 * doc/options.texi: Document the Negative option.
861 * gcc.c: Include "opts.h".
862 (main): Call prune_options after expandargv.
864 * optc-gen.awk: Generate common declarations for all flag
865 variables in options.c. Output the neg_index field.
867 * opts.c (find_opt): Moved to ...
868 * opts-common.c: Here. New file.
870 * opts.h (cl_option): Add a neg_index field.
872 (prune_options): Likewise.
874 2006-05-16 Jakub Jelinek <jakub@redhat.com>
877 * omp-low.c (expand_omp_parallel): Don't assert
878 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
879 instead search for it.
882 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
885 2006-05-16 Andreas Schwab <schwab@suse.de>
887 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
890 2006-05-15 Roger Sayle <roger@eyesopen.com>
893 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
894 integer constants other than zero are only legitimate on TARGET_64BIT.
895 <CONST_VECTOR> Only zero vectors are legitimate.
896 (ix86_cannot_force_const_mem): Integral and vector constants can
897 always be put in the constant pool.
899 2006-05-16 DJ Delorie <dj@redhat.com>
901 * crtstuff.c (__dso_handle): Set section from
902 TARGET_LBIGCC_SDATA_SECTION if defined.
903 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
904 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
906 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
909 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
912 2006-05-16 Ben Elliston <bje@au.ibm.com>
914 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
916 2006-05-15 Per Bothner <per@bothner.com>
918 * tree.c: (last_annotated_node): Use sources_locus typedef.
919 This permits bootstrapping with --enable-mapped-location.
921 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
923 PR tree-optimization/26830
924 * tree-into-ssa.c (struct ssa_name_info): Add age field.
925 (info_for_ssa_name, current_info_for_ssa_name_age,
926 blocks_to_update): New variables.
927 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
928 (clear_ssa_name_info, initialize_flags_in_bb,
929 mark_block_for_update): New functions.
930 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
931 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
932 prepare_def_site_for): Use mark_block_for_update.
933 (mark_def_interesting): Assert that the processed block is marked in
934 blocks_to_update. Do not take blocks argument.
935 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
937 (rewrite_update_init_block, rewrite_update_stmt): Only process
938 blocks with statements to rewrite.
939 (delete_update_ssa): Do not clear SSA_NAME_AUX.
940 (update_ssa): Initialize and free blocks_to_update. Do not
941 clear flags on statements. Do not use blocks bitmap.
942 * tree.h (SSA_NAME_AUX): Removed.
943 (struct tree_ssa_name): Removed aux field.
944 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
946 2006-05-15 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/27603
949 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
950 Do computations in original type.
952 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
954 * see.c: Code style changes such as redundant paranthesis,
955 redundant intialization of local variables etc.
956 (see_main): Declared now as static.
957 * doc/invoke.texi: Update that -fsee is not enabled by
960 2006-05-15 Jakub Jelinek <jakub@redhat.com>
962 * omp-low.c (check_omp_nesting_restrictions): New function.
963 (scan_omp_1): Call it.
966 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
967 construct, return *VAR.
969 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
971 PR rtl-optimization/27406
972 * bt-load.c (migrate_btr_def): Skip the block having abnormal
975 2006-05-14 Roger Sayle <roger@eyesopen.com>
977 PR rtl-optimization/27538
978 * combine.c (expand_compound_operation): Call gen_lowpart
979 before calling simplify_shift_const.
981 2006-05-14 Roger Sayle <roger@eyesopen.com>
983 PR rtl-optimization/22563
984 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
985 a fixed width bitfield, always force the intermediates into psuedos.
987 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
990 * mkconfig.sh: Use operator = instead of == for test.
992 2006-05-13 Nick Clifton <nickc@redhat.com>
994 * dwarf2out.c (dbx_reg_number): Check return value from
995 LEAF_REG_REMAP and only use it if it is valid.
996 (multiple_reg_loc_descriptor): Likewise.
998 2006-05-13 Richard Guenther <rguenther@suse.de>
1000 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1003 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1005 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1006 information attached to non-INSNs such as NOTEs.
1007 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1009 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1011 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1013 * config/s390/s390.md: Adjust comment describing On constraint.
1015 2006-05-11 Jan Hubicka <jh@suse.cz>
1017 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1018 to be output at -O0.
1020 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1023 * fold-const.c (size_binop): Move sanity check for arguments to
1024 the beginning of the function.
1027 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1030 2006-05-11 Richard Guenther <rguenther@suse.de>
1033 * fold-const.c (fold_unary): Handle intermediate conversion
1034 to a pointer type like intermediate conversion to an integer
1035 type in folding of (T1)(T2)var to var.
1036 Match the code to the comment in the final conversion for
1037 (T1)(T2)var to (T1)var regarding to type precision. Rather
1038 than disallow T1 being of pointer type, assert that both T1
1039 and var are of pointer type or not. Make sure not to fall
1040 over the frontends lazyness wrt array to pointer decay though.
1042 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1044 * arm.c (arm_struct_value_rtx): Delete.
1045 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1046 (arm_init_cumulative_args): Always initialize nregs to zero.
1048 2006-05-10 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/27532
1051 * tree-object-size.c (plus_expr_object_size): Fix typo.
1053 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1056 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1057 ashrdi_const, ashrdi3): Use a scratch register.
1059 2006-05-10 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/27302
1062 * fold-const.c (operand_equal_p): For two comparisons,
1063 try comparison of one comparison code swapped if that yields
1066 2006-05-10 Ben Elliston <bje@au.ibm.com>
1068 * tree-pretty-print.c (pretty_print_string): No need to handle
1069 '\0' as a special character.
1071 * tree.h: Include "hashtab.h".
1072 (iterative_hash_expr): Use hashval_t in its prototype.
1073 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1075 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1078 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1079 (hppa*64*-*-hpux11*): Ditto.
1080 (hppa[12]*-*-hpux11*): Ditto.
1082 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1085 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1087 2006-05-09 Michael Matz <matz@suse.de>
1089 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1090 host_extra_gcc_objs and host_xmake_file.
1091 (<*-*-linux*>): Don't overwrite host_xmake_file.
1092 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1093 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1094 (host_detect_local_cpu): Declare.
1095 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1096 * config/i386/i386.c (override_options): Handle -mtune=native
1098 * config/i386/x-i386: New file.
1099 * config/i386/driver-i386.c: New file.
1100 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1103 2006-05-09 Dirk Mueller <dmueller@suse.de>
1104 Richard Guenther <rguenther@suse.de>
1107 * fold-const.c (fold_read_from_constant_string): Relax check
1108 for matching types to matching modes.
1110 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1112 PR rtl-optimization/27335
1113 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1116 2006-05-08 Chao-ying Fu <fu@mips.com>
1117 Richard Sandiford <richard@codesourcery.com>
1119 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1120 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1121 * config/mips/mips.md (UNSPEC_SCC): New constant.
1122 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1123 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1124 (mips_emit_compare): Use it.
1125 (mips_expand_vcondv2sf): New function.
1127 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1129 Fix PR tree-optimization/27093
1130 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1131 renaming when they become not-used_alone.
1133 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1135 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1136 relocation and relocation stubs.
1138 2006-05-08 Eric Christopher <echristo@apple.com>
1140 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1143 2006-05-08 Jan Hubicka <jh@suse.cz>
1146 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1147 unused static functions are needed.
1149 2006-05-08 Roger Sayle <roger@eyesopen.com>
1152 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1153 of a reg_equiv_constant if the result is a legitimate constant.
1155 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1158 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1159 standard 80387 constants, raise the cost to prevent
1160 compress_float_constant() to generate load from memory.
1162 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1164 * config/arm/constraints.md (c): Fix a typo.
1166 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1169 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1172 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1174 (_mm_mwait): Likewise.
1176 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1178 (sse3_monitor): Make it 32bit only.
1179 (sse3_monitor64): New. 64bit monitor.
1181 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1184 * config/i386/i386.c (classify_argument): Skip fields with invalid
1187 2006-05-07 Richard Guenther <rguenther@suse.de>
1189 PR tree-optimization/27409
1190 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1191 Do not try to find zero-sized subvars.
1193 2006-05-07 Richard Guenther <rguenther@suse.de>
1195 PR tree-optimization/27136
1196 * tree-ssa-loop-niter.c (get_val_for): Correct function
1197 comment, assert requirements.
1198 (loop_niter_by_eval): Stop processing if the iterated
1199 value did not simplify.
1201 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1203 * opts.c (flag_see): remove its setting at -O3.
1205 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1207 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1208 * arm/constraints.md: New file.
1209 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1210 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1211 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1212 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1213 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1214 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1215 * arm.md: Include constraints.md.
1216 (thumb_movsi_insn): Use satisfies_constraint_J.
1217 (movhi, movqi): Use satisfies_constraint_I.
1219 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1221 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1222 for atmeg a645 device.
1224 2006-05-06 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/27151
1227 * tree-vect-transform.c (vectorizable_condition): Punt on
1228 values that have a different type than the condition.
1230 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1233 * c-parser.c (c_parser_cast_expression): Only insert casts into
1234 hash table if pointer.
1235 * function.c (used_types_insert_helper): Rename from
1237 (used_types_insert): Call used_types_insert_helper.
1238 * function.h (used_types_insert): Accept only one argument.
1240 2006-05-05 David Edelsohn <edesohn@gnu.org>
1242 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1243 scratch with output modifier.
1245 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1248 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1249 with output modifier.
1251 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1254 * config/mips/mips.c (mips_symbolic_address_p): Return true
1255 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1256 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1258 2006-05-04 Richard Guenther <rguenther@suse.de>
1260 PR tree-optimization/14287
1261 PR tree-optimization/14844
1262 PR tree-optimization/19792
1263 PR tree-optimization/21608
1264 PR tree-optimization/27090
1265 * tree-ssa-pre.c (try_combine_conversion): New function.
1266 (compute_avail): After constructing the value-handle
1267 expression, use try_combine_conversion to combine NOP_EXPRs
1268 with previous value-handle expressions and use the result if it
1271 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1273 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1275 2006-05-04 Jan Hubicka <jh@suse.cz>
1278 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1280 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1282 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1283 that this only matches CONST_INTs. All users changed to VOIDmode
1286 * config/bfin/bfin.c: Include "optabs.h".
1287 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1289 (enum bfin_builtins): Add a number of fractional and vector builtins.
1290 (bfin_init_builtins): Likewise.
1291 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1292 (safe_vector_operand, bfin_expand_binop_builtin,
1293 bfin_expand_unop_builtin): New functions.
1294 (bfin_expand_builtin): Handle the new builtins.
1295 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1298 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1301 * Makefile.in (OBJS-common): Add see.o.
1302 (see.o): Add dependencies.
1303 * common.opt (fsee): New flag for the see optimization was added.
1304 * opts.c (flag_see): Initialized.
1305 * passes.c (init_optimization_passes, pass_see): New pass.
1306 * rtl.h (see_main): Declaration as extern.
1307 * timevar.def (TV_SEE): New.
1308 * tree-pass.h (pass_see): Declaration as extern.
1309 * invoke.texi (-fsee): Document.
1310 * recog.c (validate_simplify_insn): New function.
1311 * recog.h (validate_simplify_insn): Declaration as extern.
1312 * df-problems.c (df_chain_dump): Check for NULL.
1314 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1315 Daniel Berlin <dberlin@dberlin.org>
1317 * cfgrtl.c (insert_insn_bb_end_new): New function.
1318 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1320 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1322 * df.h (struct web_entry): Moved from web.c.
1323 (union_defs): Declaration as extern.
1324 (unionfind_root): Likewise.
1325 (unionfind_union): Likewise.
1326 * web.c (struct web_entry): Moved to df.h.
1327 (unionfind_root): Remove static declaration.
1328 (unionfind_union): Likewise.
1329 (union_defs): Likewise and generalize to use callback function.
1330 (web_main): Update arguments for union_defs function call.
1332 2006-05-04 Richard Guenther <rguenther@suse.de>
1334 PR tree-optimization/26447
1335 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1336 produce SSA_NAME copies before the store stmt to avoid
1337 breaking exception handling.
1339 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1342 * gimplify.c (omp_is_private): If var is shared in some outer context,
1343 return false instead of true. Stop searching on parallel context
1346 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1349 * coverage.c: Use get_gcov_unsigned_t() instead of
1350 unsigned_type_node all over.
1352 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1354 PR tree-optimization/27381
1355 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1356 maintain the same immediate_use links.
1357 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1358 node rather than segfaulting.
1360 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1363 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1364 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1365 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1367 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1369 Fix PR tree-optimization/26626
1370 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1372 * tree-ssa-operands.c (access_can_touch_variable): Allow
1373 typecasting through union pointers.
1375 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1378 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1379 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1380 to find if var will be a global variable even in the nested context.
1381 (omp_copy_decl): Only check for global variable at the end, it might
1382 be overridden in outer contexts.
1383 (scan_sharing_clauses): For global variables don't create a field.
1384 (lower_rec_input_clauses): Do nothing for global shared variables.
1385 Emit a barrier at the end of ILIST if there were any decls in both
1386 firstprivate and lastprivate clauses.
1387 (lower_send_clauses): Do nothing for global variables except for
1390 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1392 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1393 of the correct signedness is returned.
1395 2006-05-02 Jeff Law <law@redhat.com>
1397 PR tree-optimization/27364
1398 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1399 multiply expressions.
1401 2006-05-02 Tom Tromey <tromey@redhat.com>
1403 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1405 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1408 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1409 -mthumb -fPIC are used.
1411 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1412 Joshua Kinard <kumba@gentoo.org>
1415 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1416 with 64-bit pointers.
1418 2006-05-02 Paul Brook <paul@codesourcery.com>
1420 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1422 (create_fix_barrier): Check that a suitable barrier location is
1424 (arm_reorg): Include ftmp->address in allowable range of addresses.
1426 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1429 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1432 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1435 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1436 around RESULT_DECL for result passed by reference.
1437 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1438 * omp-low.c (use_pointer_for_field): Don't look at
1439 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1440 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1441 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1442 time or var for passing by reference for
1443 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1444 TREE_ADDRESSABLE variables when passing by reference.
1446 * omp-low.c (dump_omp_region): Fix output formatting.
1449 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1450 (expand_omp_parallel): Likewise.
1451 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1454 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1455 on statement list containing also constructors and destructors.
1456 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1459 * except.c (duplicate_eh_regions): Fix clearing of
1460 cfun->eh->region_array entries.
1462 2006-05-01 DJ Delorie <dj@redhat.com>
1464 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1466 (gcc_cv_objdump): Likewise.
1467 * configure: Regenerated.
1469 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1472 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1473 templates for case 3 and 4.
1475 2006-05-01 DJ Delorie <dj@redhat.com>
1477 * vec.c: Include bconfig.h when appropriate.
1478 * Makefile.in (build/vec.o): Adjust dependencies.
1479 * mkconfig.sh: Make sure config.h isn't used for build machine
1482 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1484 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1486 (mark_phi_for_rewrite): New function.
1487 (insert_phi_nodes_for, mark_use_interesting): Call
1488 mark_phi_for_rewrite.
1489 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1490 (update_ssa): Initialize and free phis_to_rewrite.
1492 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1494 PR rtl-optimization/27291
1495 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1496 folded to a constant.
1498 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1500 PR tree-optimization/27283
1501 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1502 not whole # of iteration descriptions.
1503 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1504 uses abnormal ssa name.
1505 (niter_for_single_dom_exit): Ditto.
1506 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1507 return just the number of iterations.
1509 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1511 PR tree-optimization/27144
1512 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1513 (record_estimate): Only record constant upper bound.
1514 (infer_loop_bounds_from_undefined): Call
1515 compute_estimated_nb_iterations just once.
1516 (proved_non_wrapping_p): Renamed to ...
1517 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1518 (convert_step_widening, scev_probably_wraps_p): Call
1519 n_of_executions_at_most instead of proved_non_wrapping_p.
1520 (substitute_in_loop_info): Do not replace values in bounds.
1521 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1524 2006-05-01 Richard Henderson <rth@redhat.com>
1527 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1528 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1531 2006-05-01 Roger Sayle <roger@eyesopen.com>
1533 * c-typeck.c (parser_build_binary_op): Don't call the function
1534 unsigned_conversion_warning to spot operand/result type overflow.
1535 (build_binary_op): Instead, call convert_and_check instead of
1536 convert to report the problem when the operands are promoted.
1537 * c-common.c (unsigned_conversion_warning): Make static.
1538 * c-common.h (unsigned_conversion_warning): Delete prototype.
1540 2006-05-01 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/26726
1543 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1545 (find_interesting_uses_address): ... we work around here
1546 by folding INDIRECT_REFs in the substituted base.
1548 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1550 * omp-low.c (dump_omp_region): Add newlines.
1552 2006-04-30 Roger Sayle <roger@eyesopen.com>
1554 * common.opt (Woverflow): New command line option.
1555 * c-common.c (constant_expression_warning): Check warn_overflow.
1556 (overflow_waring): Pass OPT_Woverflow to warning.
1557 (unsigned_conversion_warning): Likewise.
1558 (convert_and_check): Likewise.
1559 * doc/invoke.texi: Document new command line option.
1561 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1563 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1564 TARGET_NO_FP_IN_TOC for section anchors.
1565 (optimization_options): Enable section anchors for all
1566 non-"Objective" languages.
1568 2006-04-28 Eric Christopher <echristo@apple.com>
1570 * config/darwin-c.c (darwin_ms_struct): Move this
1571 (darwin_set_default_type_attributes): and this...
1572 * config/darwin.c: ... here.
1573 * config/darwin.h (darwin_ms_struct): Declare.
1575 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1579 2006-04-28 Roger Sayle <roger@eyesopen.com>
1582 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1583 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1584 an unsigned HOST_WIDE_INT.
1585 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1587 (really_start_incremental_init): No need to call convert because
1588 bitsize_zero_node is already of type bitsizetype.
1589 (push_init_level): Extract the value of constructor_index as an
1590 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1591 (process_init_element): Likewise.
1593 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1595 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1596 value before passing to make_relative_prefix.
1598 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1601 * builtins.c (expand_builtin_memset): Expand val in original mode.
1603 2006-04-27 Eric Christopher <echristo@apple.com>
1605 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1606 with #ifndef/#endif.
1607 * config/darwin-c.c (darwin_ms_struct): New.
1608 (darwin_pragma_ms_struct): Ditto.
1609 (darwin_set_default_type_attributes): Ditto.
1610 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1611 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1612 Register ms_struct pragma.
1613 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1614 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1615 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1616 darwin_set_default_type_attributes if TARGET_MACHO.
1618 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1620 PR tree-optimization/26854
1621 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1622 * doc/tree-ssa.texi: Update immuse iterator documentation.
1623 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1624 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1625 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1626 first_safe_imm_use, next_safe_imm_use): Remove.
1627 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1628 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1629 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1630 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1631 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1632 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1633 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1634 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1635 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1636 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1637 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1638 (perfect_nestify): Use new iterator.
1639 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1641 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1642 (next_imm_name): New field in struct immediate_use_iterator_d.
1643 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1644 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1645 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1646 * tree-cfg.c (replace_uses_by): Use new iterator.
1647 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1648 * tree-ssa-operands.c (correct_use_link): Remove.
1649 (finalize_ssa_use_ops): No longer call correct_use_link.
1651 2006-04-27 Stuart Hastings <stuart@apple.com>
1653 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1654 * config/t-darwin (crt3.o): Use it.
1655 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1656 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1657 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1658 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1659 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1662 2006-04-27 Roger Sayle <roger@eyesopen.com>
1664 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1665 size, force the intermediate into a new pseudo rather instead of
1666 performing both a bitwise AND and a bitwise IOR in memory.
1668 2006-04-27 Richard Guenther <rguenther@suse.de>
1670 PR rtl-optimization/26685
1671 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1672 this one "max-flow-memory-locations".
1674 2006-04-27 Richard Guenther <rguenther@suse.de>
1676 PR tree-optimization/25148
1677 * tree-vrp.c (compare_values): Remove code dealing with
1678 comparisons against type min/max value. Honour overflow
1679 and negative constants in code dealing with comparisons
1680 of plus and minus expressions.
1681 (value_inside_range): Use fold_binary with LE_EXPR and
1682 GE_EXPR rather than compare_values.
1684 2006-04-27 Dirk Mueller <dmueller@suse.de>
1686 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1689 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1691 * basic-block.h (safe_insert_insn_on_edge): Removed.
1692 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1694 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1695 Paolo Bonzini <bonzini@gnu.org>
1698 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1699 (simplify_and_const_int): Same.
1701 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1703 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1705 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1708 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1709 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1710 cgraph_global_info_ready.
1713 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1716 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1717 either decl or init is error_mark_node.
1720 * tree-flow.h (struct omp_region): Add sched_kind.
1721 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1722 instead of extracting omp for data.
1723 (expand_omp_for): Save extracted sched_kind.
1725 2006-04-25 Roger Sayle <roger@eyesopen.com>
1727 * expmed.c (store_bit_field): Also check whether the bitsize is
1728 valid for the machine's "insv" instruction before moving the
1729 target into a pseudo for use with the insv.
1730 * config/i386/predicates.md (const8_operand): New predicate.
1731 * config/i386/i386.md (extv, extzv, insv): Use the new
1732 const8_operand predicate where appropriate.
1734 2006-04-25 DJ Delorie <dj@redhat.com>
1736 * doc/install.texi (Specific): Clarify that this is not a list of
1737 supported hosts or targets.
1739 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1741 PR rtl-optimization/26725
1742 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1743 block's BB_DIRTY flag.
1745 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1747 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1750 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1751 to print an integer.
1753 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1755 * varasm.c (align_variable): New function.
1756 (get_block_for_decl): Apply align_variable to DECL before
1757 calculating section information.
1758 (assemble_variable): Split out alignment computation.
1760 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1762 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1765 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1767 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1768 MODE_PARTIAL_INT mode.
1769 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1770 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1772 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1773 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1775 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1777 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1779 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1780 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1781 MACFLAG_IH): Likewise.
1782 (movstricthi_1): Renamed from "*movstricthi".
1783 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1784 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1785 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1786 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1787 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1788 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1789 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1790 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1791 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1792 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1793 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1794 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1795 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1796 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1797 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1799 * doc/rtl.texi (ss_ashift): Improve wording.
1801 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1803 * dwarf2out.c (verify_marks_clear): New.
1804 (prune_unused_types): Call verify_marks_clear initially, not
1807 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1809 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1810 * doc/rtl.texi: Document them.
1811 * simplify-rtx.c (simplify_unary_operation,
1812 simplify_binary_operation_1): Don't abort when we see them.
1814 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1817 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1818 * configure.ac: Completely disregard languages that are not
1820 * configure: Regenerated.
1822 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1823 Richard Guenther <rguenther@suse.de>
1825 PR tree-optimization/27236
1826 * tree-inline.c (copy_body_r): Make sure to copy
1827 TREE_THIS_VOLATILE flag.
1829 2006-04-24 Richard Guenther <rguenther@suse.de>
1832 * tree-complex.c (update_parameter_components): Don't handle
1833 unused parameters which have no default def.
1835 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1836 Richard Guenther <rguenther@suse.de>
1838 PR tree-optimization/27218
1839 * tree-inline.c (expand_call_inline): Strip useless type
1840 conversions for the return slot address.
1842 2006-04-24 Richard Guenther <rguenther@suse.de>
1844 * cfgloop.h (struct loops): Remove unused field array. Reorder
1846 (LOOP_PREFETCH): Remove.
1848 2006-04-24 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/22525
1851 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1852 variable, adjust types of generated expressions.
1854 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1856 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1857 (tree-vect-patterns.o): Likewise.
1859 (cselib.o): Likewise.
1860 (loop-doloop.o): Likewise.
1861 (regclass.o): Likewise.
1862 (reload1.o): Likewise.
1863 (explow.o): Replace target.h with $(TARGET_H).
1864 (ipa-prop.o): Likewise.
1865 (ipa-cp.o): Likewise.
1866 (ipa-inline.o): Likewise.
1867 (reorg.o): Likewise.
1868 (reg-stack.o): Likewise.
1870 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1872 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1874 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1876 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1878 * configure.ac: Completely disregard languages that are not
1880 * configure: Regenerated.
1883 * c-common.h (c_build_bitfield_integer_type): Declare.
1884 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1885 * c-common.c (c_build_bitfield_integer_type): ... here.
1887 2006-04-23 Roger Sayle <roger@eyesopen.com>
1890 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1891 a SImode SUBREG of a floating point register after no_new_pseudos.
1893 2006-04-23 Roger Sayle <roger@eyesopen.com>
1895 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1896 identify potentially eliminable registers to additionally catch
1897 VIRTUAL_INCOMING_ARGS_REGNUM.
1898 (addsi3): Update the conditions on when to use addsi_small_int.
1900 2006-04-23 Roger Sayle <roger@eyesopen.com>
1903 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1904 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1905 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1907 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1909 * fold-const.c (range_predecessor): Use operand_equal_p
1910 as the predicate for equality.
1911 (range_successor): Likewise.
1913 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1916 * config/soft-fp/op-common.h: Fix a typo.
1918 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1921 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1922 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1924 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1926 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1928 * doc/tm.texi: Fix a typo.
1930 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1932 * dwarf2out.c (struct die_struct): Document that die_sib makes
1933 a circular linked list.
1934 (FOR_EACH_CHILD): New.
1935 (reverse_die_lists): Delete.
1936 (reverse_all_dies): Delete.
1937 (add_dwarf_attr): Correct documentation.
1938 (remove_child_with_prev): New.
1939 (remove_child_TAG): Update for change to die_struct, use
1940 remove_child_with_prev.
1941 (add_child_die): Update for change to die_struct.
1942 (splice_child_die): Use remove_child_with_prev and add_child_die.
1943 (print_die): Use FOR_EACH_CHILD.
1944 (die_checksum): Likewise.
1945 (assign_symbol_names): Likewise.
1946 (output_location_lists): Likewise.
1947 (build_abbrev_table): Likewise.
1948 (calc_die_sizes): Likewise.
1949 (mark_dies): Likewise.
1950 (unmark_dies): Likewise.
1951 (unmark_all_dies): Likewise.
1952 (output_die): Likewise.
1953 (prune_unused_types_mark): Likewise.
1954 (prune_unused_types_walk): Likewise.
1955 (same_die_p): Update for change to die_struct.
1956 (break_out_includes): Likewise.
1957 (prune_unused_types_prune): Likewise.
1958 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1959 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1961 (dwarf2out_finish): Don't call reverse_all_dies.
1963 2006-04-21 Eric Christopher <echristo@apple.com>
1965 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1966 in comments and function names.
1968 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1971 * c-typeck.c (digest_init): Robustify.
1973 * c-typeck.c (pop_init_level): Simplify.
1975 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1977 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1979 2006-04-21 Paul Brook <paul@codesourcery.com>
1981 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1982 hardware floating point.
1984 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1986 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1989 2006-04-21 Nick Clifton <nickc@redhat.com>
1991 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1994 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1997 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1998 C++ lang type in traceback table for Objective-C++.
2000 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2002 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2004 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2006 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2009 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2010 were errors. Remove check for erroneous objects.
2012 2006-04-20 Jeff Law <law@redhat.com>
2014 PR tree-optimization/26854
2015 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2016 checking for zero or one use.
2017 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2018 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2019 * tree-ssa-reassoc.c (negate_value): Similarly.
2020 (reassociate_bb): Similarly.
2022 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2024 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2025 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2026 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2028 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2030 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2031 fp regs if the last fp arg doesn't fit in regs.
2033 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2036 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2037 that the last insn has the REG_INC note.
2039 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2040 Nathan Sidwell <nathan@codesourcery.com>
2043 * stor-layout.c (update_alignment_for_field): Do not align
2045 (place_union_field): Place union field at the start of the union.
2046 (place_field): Move ERROR_MARK check later, and use the current
2047 allocation position to maintain monotonicity.
2049 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2051 * dominance.c: Include timevar.h.
2052 (calculate_dominance_info): Use TV_DOMINANCE.
2053 * timevar.def (TV_DOMINANCE): New timevar.
2054 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2056 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2058 PR rtl-optimization/14261
2059 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2060 move would be an INSV insn.
2061 (noce_process_if_block): Don't optimize if the destination is a
2062 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2064 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2066 * config/s390/s390.md: Add comments with the instructions emitted
2067 by an insn pattern if macros are used.
2069 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2071 PR rtl-optimization/26026
2072 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2073 is a known power of two shifted left a variable amount.
2075 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2077 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2078 to hash table twice when the debug_str section has SECTION_MERGE.
2080 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2082 * config/soft-fp: New directory. From glibc.
2083 * config/soft-fp/t-softfp: New.
2084 * config/soft-fp/README: New.
2085 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2086 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2087 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2088 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2089 * config.gcc: Use rs6000/t-fprules-fpbit or
2090 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2092 * config/rs6000/sfp-machine.h: New. Based on glibc.
2093 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2095 * config/rs6000/t-fprules: Remove fp-bit rules.
2096 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2097 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2098 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2099 (softfp_wrap_start, softfp_wrap_end): New.
2101 2006-04-18 DJ Delorie <dj@redhat.com>
2103 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2105 2006-04-18 Devang Patel <dpatel@apple.com>
2107 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2109 2006-04-18 Nick Clifton <nickc@redhat.com>
2111 * config/sh/t-symbian: Add rule to build sh-c.o
2112 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2113 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2114 (sh_symbian_encode_section_info): Likewise.
2116 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2118 * builtins.c (expand_builtin_strcmp): Cover label definition of
2119 do_libcall with HAVE_cmpstrnsi.
2121 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2123 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2125 * function.h (temp_slot_p): New.
2126 (function): Change the type of x_used_temp_slots to
2127 VEC(temp_slot_p,gc) *.
2129 2006-04-18 Nick Clifton <nickc@redhat.com>
2131 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2132 flag_strength_reduce.
2134 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2136 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2140 Partial revert of revision 112637
2141 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2142 Dale Johannesen <dalej@apple.com>
2145 * regclass.c (struct reg_pref): Update documentation.
2146 (regclass): Set prefclass to NO_REGS if memory is the best option.
2147 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2149 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2151 PR tree-optimization/26821
2152 * tree-ssa-math-opts.c (get_constant_one): New.
2153 (insert_reciprocals): Use it.
2155 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2157 * dwarf2out.c (free_AT): Delete.
2158 (remove_AT): Update string ref counts.
2159 (remove_child_TAG): Don't call free_die.
2161 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2162 or DW_TAG_GNU_EINCL.
2163 (prune_unused_types_walk_attribs): Reset string refcounts.
2164 (prune_unused_types_update_strings): New.
2165 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2166 call free_die. Do call prune_unused_types_update_strings.
2167 (prune_unused_types): Empty debug_str_hash.
2169 2006-04-17 Roger Sayle <roger@eyesopen.com>
2171 * expr.c (expand_assignment): Optimize away no-op moves where the
2172 source and destination are equal and have no side-effects.
2174 2006-04-17 Richard Guenther <rguenther@suse.de>
2177 * reload.c (push_reload): Guard calls to get_secondary_mem
2180 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2182 * alias.c (reg_base_value, old_reg_base_value): Change the
2183 type to VEC(rtx,gc) *.
2184 (REG_BASE_VALUE, find_base_value, record_set,
2185 init_alias_analysis): Use VEC instead of VARRAY.
2187 * alias.c (alias_sets): Change the type to
2188 VEC(alias_set_entry,gc) *.
2189 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2190 VEC instead of VARRAY.
2191 (last_alias_set): Remove.
2193 * cgraph.h (cgraph_edge_p): New.
2194 Update the prototype of cgraph_function_versioning.
2195 * cgraphunit.c (cgraph_copy_node_for_versioning,
2196 cgraph_function_versioning): Use VEC instead of VARRAY.
2197 * ipa-cp.c (ipcp_insert_stage): Likewise.
2199 2006-04-16 Roger Sayle <roger@eyesopen.com>
2202 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2203 "A op B" or "A op C", we may need to convert A to the type of B and C.
2205 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2207 * target.h (struct gcc_target): Add mode_rep_extended.
2208 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2209 (init_num_sign_bit_copies_in_rep): Initialize it using
2211 (truncate_to_mode): Use it.
2212 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2213 * targhooks.h (default_mode_rep_extended): Declare it.
2214 * targhooks.c (default_mode_rep_extended): Define it.
2215 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2216 default_mode_rep_extended.
2217 (TARGET_INITIALIZER): Include it.
2218 * doc/tm.texi (Misc): Document it.
2219 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2220 (mips_truncated_to_mode): New function.
2222 2006-04-16 Roger Sayle <roger@eyesopen.com>
2225 * expr.c (compress_float_constant): Copy the narrow constant into
2226 a new pseudo before extending it to its final width.
2228 2006-04-16 Roger Sayle <roger@eyesopen.com>
2229 Andrew Pinski <pinskia@gcc.gnu.org>
2230 Dale Johannesen <dalej@apple.com>
2233 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2234 special case code to implement V8HImode and V16QImode with SSE2.
2236 2006-04-15 Roger Sayle <roger@eyesopen.com>
2238 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2239 trees are constructed with a suitable tree type.
2241 2006-04-15 Roger Sayle <roger@eyesopen.com>
2243 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2244 (integer_onep): Likewise.
2245 (integer_all_onesp): Likewise.
2246 (integer_pow2p): Likewise.
2247 (integer_nonzerop): Likewise.
2248 (real_zerop): Likewise.
2249 (real_onep): Likewise.
2250 (real_twop): Likewise.
2251 (real_minus_onep): Likewise.
2252 (int_size_in_bytes): Likewise.
2253 (host_integerp): Likewise.
2255 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2257 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2258 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2259 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2261 * tree-ssa-structalias.h (alias_info): Remove num_references.
2263 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2265 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2266 (output_bvb patterns): Likewise.
2267 * pa.c (output_bb): Use 'bb' insn for long branch case.
2268 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2269 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2270 1. Correct length operand for alternatives 1 and 2.
2271 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2272 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2274 2006-04-14 Roger Sayle <roger@eyesopen.com>
2276 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2277 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2278 were accidentally reverted by r112959.
2280 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2283 * except.h (eh_region_outermost): New prototype.
2284 * except.c (eh_region_outermost): New function.
2285 * tree-cfg.c (find_outermost_region_in_block): Use it.
2287 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2289 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2291 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2292 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2293 (init_reload, reload): Use VEC instead of VARRAY.
2294 * reload.h: Update the prototype for
2295 reg_equiv_memory_loc_varray.
2297 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2298 Eric Botcazou <ebotcazou@libertysurf.fr>
2300 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2303 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2306 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2307 to expand fallback builtin function call.
2309 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2312 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2313 and emit libcall here in case the builtin fails.
2314 (expand_builtin_strcmp): Always emit the libcall here on failure.
2316 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2318 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2319 * flow.c (reg_n_info): Change the type to
2320 VEC(reg_info_p,heap) *.
2321 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2323 * regs.h (reg_info_p): New.
2324 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2325 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2326 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2329 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2331 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2333 * params.h (MAX_SCHED_READY_INSNS): New macro.
2334 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2335 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2336 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2337 the ready list for 1 cycle during the first scheduling pass.
2338 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2340 2006-04-13 Richard Henderson <rth@redhat.com>
2343 * gimple-low.c (lower_omp_directive): Remove dead code.
2344 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2345 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2346 * omp-low.c (struct omp_region): Move to tree-flow.h.
2347 (root_omp_region): Export.
2348 (omp_regions, lookup_omp_region): Remove.
2349 (determine_parallel_type): Update for struct omp_region changes.
2350 (dump_omp_region): Dump regions with block numbers.
2351 (new_omp_region): Take type and block instead of stmt; malloc
2353 (free_omp_region_1, free_omp_regions): New.
2354 (expand_parallel_call): Take entry_stmt as argument; update for
2355 changes to omp_region.
2356 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2357 (remove_exit_barriers): New.
2358 (expand_omp_parallel): Update for struct omp_region changes.
2359 (expand_omp_synch): Likewise.
2360 (expand_omp): Likewise.
2361 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2362 (expand_omp_for_static_chunk): Likewise.
2363 (expand_omp_for): Likewise.
2364 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2365 (expand_omp_sections): Similarly, with GOMP_sections_end.
2366 (expand_omp_single): New.
2367 (build_omp_regions_1): Update for OMP_CONTINUE.
2368 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2369 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2370 OMP_SECTIONS_SECTIONS.
2371 (lower_omp_single_simple): Don't emit barrier here.
2372 (lower_omp_single_copy): Likewise.
2373 (lower_omp_single): Fix bindings, and lower to straightline now.
2374 (lower_omp_master, lower_omp_ordered): Likewise.
2375 (lower_omp_critical): Likewise.
2376 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2377 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2378 omp edges, free it afterward.
2379 (make_omp_sections_edges): Remove.
2380 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2381 (move_stmt_r): Handle OMP_CONTINUE.
2382 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2383 statement pointers to basic blocks. Add type member.
2384 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2385 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2386 * tree-inline.c (estimate_num_insns_1): Likewise.
2387 * tree-pretty-print.c (dump_generic_node): Likewise.
2388 * tree-ssa-operands.c (get_expr_operands): Likewise.
2389 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2390 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2391 (OMP_CONTINUE): New.
2392 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2393 (OMP_SECTIONS_SECTIONS): Remove.
2394 (OMP_SECTION_LAST): New.
2395 (OMP_RETURN_NOWAIT): New.
2397 2006-04-13 Roger Sayle <roger@eyesopen.com>
2399 * fold-const.c (native_encode_vector, native_interpret_real):
2400 Correct obvious mistakes in the previous check-in.
2402 2006-04-13 Roger Sayle <roger@eyesopen.com>
2404 * fold-const.c (native_encode_expr): New function to encode
2405 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2406 or VECTOR_CST into a specified buffer.
2407 (native_encode_int): New function.
2408 (native_encode_real): New function.
2409 (native_encode_complex): New function.
2410 (native_encode_vector): New function.
2411 (native_interpret_expr): Inverse of native_encode_expr to convert
2412 a target representation into an INTEGER_CST, REAL_CST etc...
2413 (native_interpret_int): New function.
2414 (native_interpret_real): New function.
2415 (native_interpret_complex): New function.
2416 (native_interpret_vector): New function.
2417 (fold_view_convert_expr): New function to constant fold/evaluate
2418 a VIEW_CONVERT_EXPR of a suitable constant expression.
2419 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2420 Change call of build1 to fold_build1 when constructing a
2423 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2424 Ulrich Weigand <uweigand@de.ibm.com>
2427 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2430 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2433 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2434 optimize to lo_sum for DFmode if !TARGET_FPRS.
2436 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2438 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2439 delete_alias_info, compute_flow_sensitive_aliasing,
2440 group_aliases): Use VEC instead of VARRAY.
2441 * tree-ssa-structalias.c (update_alias_info): Likewise.
2442 * tree-ssa-structalias.h (alias_info): Change the type of
2443 processed_ptrs to VEC(tree,heap) *.
2445 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2448 * config/sh/lib1funcs.h: New file, broken out of:
2449 * config/sh/lib1funcs.asm.
2450 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2452 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2453 * config/sh/lib1funcs-Os-4-200.asm: New file.
2454 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2455 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2456 (EXTRA_MULTILIB_PARTS): Include it.
2457 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2458 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2459 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2460 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2463 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2465 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2466 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2467 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2469 * tree-ssa-live.h: Include vecprim.h.
2470 (tree_partition_associator_d): Change the type of
2471 first_partition to VEC(int,heap) *.
2472 (tpa_first_partition): Use VEC instead of VARRAY.
2474 * Makefile.in (GTFILES): Move functions.h after tree.h.
2475 * function.c (reset_block_changes, record_block_change,
2476 check_block_change, free_block_changes): Use VEC instead of
2478 * function.h (function): Change the type of
2479 ib_boundaries_block to VEC(tree,gc) *.
2480 * tree-inline.c (copy_cfg_body): Initialize
2481 ib_boundaries_block to NULL instead of (varray_type) 0.
2483 2006-04-12 Roger Sayle <roger@eyesopen.com>
2485 * expr.c (emit_group_store): Correct operand order in call to
2486 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2487 a SUBREG_BYTE of zero.
2489 2006-04-12 Richard Guenther <rguenther@suse.de>
2491 * profile.c (compute_branch_probabilities): Remove code
2492 encapsulated in !ir_type (), which are remanents of the
2493 removed RTL profiling code.
2494 * rtl-profile.c: Remove.
2496 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2498 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2499 magic NULL_RTX comment.
2500 (function_arg): Store entire fp arg to mem if any part should go
2502 (rs6000_arg_partial_bytes): Adjust for above change.
2504 2006-04-11 Roger Sayle <roger@eyesopen.com>
2506 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2507 if it hasn't been initialized by dwarf2out_init.
2509 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2511 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2512 symbolic constants in branch patterns.
2514 2006-04-11 Roger Sayle <roger@eyesopen.com>
2516 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2518 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2520 PR rtl-optimization/27073
2521 * gcse.c (try_replace_reg): Revert last change. Continue to search
2522 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2525 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2527 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2528 aggregate types other than record and union types.
2529 (function_arg): Likewise.
2530 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2532 (function_value): In 64-bit mode, return objects that require it
2535 2006-04-11 Roger Sayle <roger@eyesopen.com>
2537 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2539 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2541 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2543 2006-04-03 Jeff Law <law@redhat.com>
2546 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2547 alias information too.
2549 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2551 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2553 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2556 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2557 (premark_used_types_helper): New.
2558 (premark_used_types): New.
2559 (gen_subprogram_die): Call premark_used_types.
2560 (prune_unused_types_walk): Do not prune perennial dies.
2561 * function.c (used_types_insert): New.
2562 * function.h (struct function): Add used_types_hash field.
2563 (used_types_insert): Add prototype.
2564 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2565 * c-parser.c (c_parser_cast_expression): Save casted types in used
2568 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2571 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2572 rs6000_explicit_options.float_gprs.
2574 2006-04-10 Roger Sayle <roger@eyesopen.com>
2576 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2577 from ix86_expand_vector_init_low_nonzero. Take an additional
2578 one_var argument indicating which element is non-zero. Support
2579 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2580 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2581 with one_var instead of ix86_expand_vector_init_low_nonzero.
2583 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2585 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2586 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2587 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2588 build/genextract.o): Depend on vecprim.h.
2589 * cfglayout.c, df-problems.c, function.c, genextract.c,
2590 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2591 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2595 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2597 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2598 Declare VECs of this type.
2599 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2600 (remove_children): Delete.
2601 (add_dwarf_attr): Use VEC routines.
2602 (add_AT_flag): Update for changes to add_dwarf_attr.
2603 (add_AT_int): Likewise.
2604 (add_AT_unsigned): Likewise.
2605 (add_AT_long_long): Likewise.
2606 (add_AT_vec): Likewise.
2607 (add_AT_string): Likewise.
2608 (add_AT_die_ref): Likewise.
2609 (add_AT_fde_ref): Likewise.
2610 (add_AT_loc): Likewise.
2611 (add_AT_loc_list): Likewise.
2612 (add_AT_addr): Likewise.
2613 (add_AT_lbl_id): Likewise.
2614 (add_AT_lineptr): Likewise.
2615 (add_AT_macptr): Likewise.
2616 (add_AT_offset): Likewise.
2617 (add_AT_range_list): Likewise.
2618 (get_AT): Use VEC_iterate.
2619 (remove_AT): Use VEC_ordered_remove.
2620 (free_die): Fold remove_children into here; have it use VEC_iterate.
2621 (print_die): Use VEC_iterate on attrs.
2622 (reverse_die_lists): Don't reverse attr lists.
2623 (die_checksum): Use VEC_iterate on attrs.
2624 (same_die_p): Likewise.
2625 (output_location_lists): Likewise.
2626 (build_abbrev_table): Likewise.
2627 (size_of_die): Likewise.
2628 (unmark_all_dies): Likewise.
2629 (output_abbrev_section): Likewise.
2630 (output_die): Likewise.
2631 (prune_unused_types_walk_attribs): Likewise.
2633 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2635 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2637 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2640 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2642 2006-04-09 Roger Sayle <roger@eyesopen.com>
2644 * expr.c (store_constructor): Don't bother clearing target if
2645 we're about to assign a vector to it using vec_init_optab.
2647 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2649 * tree-ssa-alias.c (lhs_may_store_to): New function.
2650 (recalculate_used_alone): Handle LHS of calls.
2652 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2656 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2657 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2658 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2659 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2660 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2661 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2662 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2663 stubs. Add ".align 8" directives before all ".dword" directives.
2664 (GTHREAD_USE_WEAK): Revise comment.
2665 (TARGET_ATTRIBUTE_WEAK): Define.
2666 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2667 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2668 * stublib.c: New file.
2673 * pa.md (cbranch patterns): Revise arguments used in calls to
2674 output_cbranch, output_bb and output_bvd. Add long branch length
2676 (fbranch patterns): Handle long branches.
2677 (jump): Revise length check. Revise arguments for output_lbranch call.
2678 Add long branch length attributes.
2679 (decrement_and_branch_until_zero): Add long branch length attributes.
2680 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2681 Likewise. Revise arguments for output_parallel_addb and
2682 output_parallel_movb calls.
2683 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2684 output_parallel_movb and output_parallel_addb): Update prototypes.
2685 * pa.c (output_cbranch): Revise arguments. Correct handling of
2686 nullification in long branches.
2687 (output_lbranch): Add new argument to control extraction of delay
2689 (output_bb): Handle long branches.
2690 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2691 output_parallel_addb): Likewise.
2693 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2695 PR rtl-optimization/27073
2696 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2699 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2701 * tree.h (tree_memory_tag): Add old_used_alone.
2702 (SMT_OLD_USED_ALONE): New macro.
2703 * tree-ssa-alias.c (recalculate_used_alone): Stop
2704 marking things for renaming unnecessarily.
2706 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2708 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2709 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2710 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2711 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2712 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2713 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2714 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2715 spelling convensions.
2716 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2717 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2718 typos. Follow spelling conventions.
2720 2006-04-07 DJ Delorie <dj@redhat.com>
2722 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2723 passed on the stack.
2724 (m32c_init_cumulative_args): When a function returns a structure,
2725 always pass the pointer to that return area on the stack.
2726 (m32c_function_arg_advance): Don't increment the parameter number
2727 if we're processing the returned structure pointer.
2728 (pushm_info): Reverse order of registers.
2730 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2732 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2733 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2734 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2735 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2737 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2738 chrec_fold_multiply): Same.
2739 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2740 force_expr_to_var_cost): Same.
2741 * tree-mudflap.c (mf_xform_derefs_1): Same.
2742 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2744 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2746 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2747 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2750 2006-04-07 Jan Hubicka <jh@suse.cz>
2752 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2754 2006-04-07 Richard Guenther <rguenther@suse.de>
2756 PR tree-optimization/26135
2757 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2758 loads for store copy-prop.
2759 (copy_prop_visit_stmt): Likewise.
2761 2006-04-05 Robert Millan <robertmh@gnu.org>
2763 * config/i386/linux.h: Add a comment to mark macros that are
2764 being overriden in config/k*bsd-gnu.h.
2765 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2767 * config/knetbsd-gnu.h: Ditto.
2769 2006-04-06 Jan Hubicka <jh@suse.cz>
2773 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2776 2006-04-06 Mike Stump <mrs@apple.com>
2778 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2779 for HAVE_nonlocal_goto to be consistent.
2780 (expand_builtin_nonlocal_goto): Likewise.
2781 (expand_builtin_strcmp): Use #ifdef instead of #if
2782 for HAVE_cmpstrnsi to be consistent.
2784 2006-04-05 DJ Delorie <dj@redhat.com>
2786 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2789 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2791 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2792 got-relative addressing for anything but SImode.
2794 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2795 even if the calling function doesn't modify them.
2797 2006-04-05 Richard Guenther <rguenther@suse.de>
2799 PR tree-optimization/26919
2800 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2801 to cgraph_estimate_size_after_inlining.
2803 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2805 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2807 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2809 PR tree-optimization/26996
2810 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2811 VECTOR_TYPE variables.
2813 2006-04-05 Richard Guenther <rguenther@suse.de>
2815 PR tree-optimization/26763
2816 * fold-const.c (fold_comparison): Move folding of
2817 PTR + CST CMP PTR + CST ...
2818 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2820 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2822 * doc/install.texi (Prerequisites): Refine some wording on
2823 bootstrapping and ksh.
2824 Move the version numbers of DejaGnu here from the testing section
2825 and fix casing of names.
2826 Fix markup and clarify wording for autogen requirements.
2827 Refer to GCJ instead of just java.
2828 Refer to SVN instead of CVS.
2829 Describe diffutils as useful instead of necessary.
2830 (Downloading the source): Refer to SVN instead of CVS.
2831 Adjust a link to our web site accordingly.
2832 (Configuration): Fix casing of Bison.
2833 (Building): Refer to SVN instead of CVS.
2834 Fix a sentence on the use of Bison and remove duplicate (and
2835 incorrect) version number of Bison requirement.
2836 Remove one redundant list of packages needed for building.
2837 (Specific): Avoid reference to CVS.
2839 2006-04-04 Eric Christopher <echristo@apple.com>
2841 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2842 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2843 (rs6000_handle_struct_attribute): New.
2844 (rs6000_ms_bitfield_layout_p): Ditto.
2846 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2848 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2849 NULL for dso parameter to atexit_common.
2851 2006-04-04 Eric Christopher <echristo@apple.com>
2853 * config/i386/i386.c (machopic_output_stub): Output \t
2854 between instructions and operands.
2856 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2858 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2859 satisfies_constraint_[IL] to explicit tests on value.
2861 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2863 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2864 set_nb_iterations_in_loop): Use build_int_cst instead of
2866 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2867 build_int_cst instead of convert.
2869 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2871 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2872 new value 2 for incoming.
2873 * function.c (expand_function_start): Call struct_value_rtx
2875 * config/sparc/sparc.md: Comment updated_return.
2876 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2877 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2878 struct return if sparc_std_struct_return and incoming is 2.
2879 (print_operand): Do not adjust return if
2880 sparc_std_struct_return.
2882 2006-04-04 Roger Sayle <roger@eyesopen.com>
2884 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2885 convert in the middle-end.
2886 * expr.c (store_expr, store_constructor, get_inner_reference,
2887 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2889 * tree.c (build_range_type): Likewise.
2891 2006-04-04 Tom Tromey <tromey@redhat.com>
2893 * doc/install.texi (Prerequisites): Mention jar.
2895 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2897 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2900 2006-04-04 Matthias Klose <doko@debian.org>
2902 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2903 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2906 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2908 * doc/extend.texi (Function Attributes): Rewrite visibility
2909 attribute documentation.
2910 * doc/invoke.texi (C++ Dialect Options): Rewrite
2911 -fvisibility-inlines-hidden documentation to describe something
2912 entirely different, although in practise compatible.
2913 (Code Gen Options): Warn about system headers in -fvisibility=
2916 * doc/extend.texi (Other Builtins): Document that
2917 __builtin_nan is a compile-time constant only when its argument
2920 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2922 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2923 trying to remove TRUNCATE check if all bits outside the new mode
2924 are identical to the sign bit.
2926 2006-04-03 Jeff Law <law@redhat.com>
2928 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2929 and operand scanning in some common cases.
2931 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2932 Dale Johannesen <dalej@apple.com>
2935 * regclass.c (struct reg_pref): Update documentation.
2936 (regclass): Set prefclass to NO_REGS if memory is the best option.
2937 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2938 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2939 into account. For non-registers, equate an empty preferred
2940 reload class to a `!' in the constraint; move the if clause to
2941 do so after those that reject the insn.
2942 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2944 (find_dummy_reload): Likewise.
2945 * doc/tm.texi (Register Classes): Document what it means
2946 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2947 * config/i386/i386.c (ix86_preferred_reload_class): Force
2948 using SSE registers (and return NO_REGS for floating-point
2949 constants) if math is done with SSE.
2950 (ix86_preferred_output_reload_class): New.
2951 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2952 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2953 * config/i386/i386.md: Remove # register preferences.
2955 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2958 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2959 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2960 the type of nb_iter.
2961 (instantiate_parameters_1): Convert the operands before calling
2962 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2963 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2965 2006-04-02 Roger Sayle <roger@eyesopen.com>
2967 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2968 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2970 * dojump.c (do_jump): Likewise.
2971 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2972 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2973 gimplify_boolean_expr): Likewise.
2974 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2975 * varasm.c (array_size_for_constructor): Likewise.
2976 * tree-object-size.c (compute_object_offset): Likewise.
2978 2006-04-02 Roger Sayle <roger@eyesopen.com>
2981 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2982 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2984 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2986 PR tree-optimization/26939
2987 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2989 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2991 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2992 at_stmt. Convert the type of operands before calling
2993 build_polynomial_chrec.
2994 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2996 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2997 (instantiate_parameters_1): Convert the type of operands before calling
2998 build_polynomial_chrec.
2999 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3000 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3001 reset_evolution_in_loop): Insert asserts to check the types of the
3003 (chrec_type): Moved...
3004 (eq_evolutions_p): Use operand_equal_p.
3005 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3006 the types of the operands.
3007 (chrec_type): ...here.
3008 * tree-data-ref.c (create_data_ref): Convert the operands before
3009 calling chrec_replace_initial_condition.
3010 (same_access_functions, analyze_subscript_affine_affine,
3011 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3012 (compute_subscript_distance, analyze_ziv_subscript,
3013 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3014 analyze_miv_subscript): Convert the operands before calling
3015 chrec_fold_minus or chrec_fold_plus.
3017 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3019 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3020 the dependence_relations vector.
3021 (compute_data_dependences_for_loop): Adjust call to
3022 compute_all_dependences.
3024 2006-04-01 Roger Sayle <roger@eyesopen.com>
3025 Richard Henderson <rth@redhat.com>
3027 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3028 gimple_boolify on the condition before calling gimplify_expr.
3030 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3032 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3033 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3034 the frame size. Update to use the new macros.
3035 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3036 * config/xtensa/ieee754-df.S: Likewise.
3038 2006-03-31 Richard Henderson <rth@redhat.com>
3040 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3041 (make_edges): ... here. Control fallthru creation with a local
3042 variable. Do not play with fake edges.
3043 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3044 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3047 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3049 * dwarf2.h (DW64_CIE_ID): Define.
3050 * dwarf2out.c (DWARF_CIE_ID): Define.
3051 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3052 length header. Use DWARF_CIE_ID.
3053 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3054 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3056 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3058 * config/sh/linux-atomic.asm: New file.
3059 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3061 2006-03-31 DJ Delorie <dj@redhat.com>
3063 * config/m32c/cond.md: Set condition flags properly throughout.
3064 * config/m32c/minmax.md: Likewise.
3065 * config/m32c/prologue.md: Likewise.
3066 * config/m32c/bitops.md: Likewise.
3067 * config/m32c/muldiv.md: Likewise.
3068 * config/m32c/mov.md: Likewise.
3069 * config/m32c/addsub.md: Likewise.
3070 * config/m32c/m32c.md: Likewise.
3071 * config/m32c/jump.md: Likewise.
3072 * config/m32c/shift.md: Likewise.
3074 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3075 conditionally output the pattern for this.
3076 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3077 (m32c_compare_redundant): New.
3078 (m32c_output_compare): New.
3079 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3081 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3082 dest, not src. Allow other 4-byte modes.
3084 2006-03-30 Denis Chertykov <denisc@overta.ru>
3086 * doc/md.texi: Refer to avr/constraints.md instead of
3089 2006-03-30 Roger Sayle <roger@eyesopen.com>
3091 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3092 signed vs. unsigned comparison failures on some hosts.
3094 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3097 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3098 change to FLOAT_REGS.
3100 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3101 (rs6000_override_options): Use it.
3102 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3103 only for -mabi=spe/no-spe and -mabi=altivec.
3105 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3107 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3110 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3112 * Makefile.in: Rename docdir to gcc_docdir.
3114 2006-03-30 Roger Sayle <roger@eyesopen.com>
3117 * expr.c (emit_group_store): Optimize group stores into a pseudo
3118 register by using a paradoxical subreg to initialize the destination
3119 if the first or last member of the group specifies a "low part".
3121 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3124 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3125 * target.h (struct gcc_target.speculate_insn): Change type of the
3126 second parameter to 'int'.
3127 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3128 the second operand of the DEPS_LIST.
3129 (copy_DEPS_LIST_list): Update reference to the second operand of the
3131 * rtl.h (alloc_DEPS_LIST): Update signature.
3132 * sched-int.h (ds_t): Change typedef to 'int'.
3133 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3135 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3137 * haifa-sched.c (try_ready): Change condition to restore
3138 non-speculative pattern of the instruction.
3139 (process_insn_depend_be_in_spec): Code to keep probability of the
3140 speculative dependence non-decreasing.
3142 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3144 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3145 (single_move_for_movmem): ... this. Also change all uses.
3146 (bfin_expand_strmov): Renamed to...
3147 (bfin_expand_movmem): ... this. Also change all uses.
3148 * config/bfin/bfin.md (movstrsi): Renamed to...
3149 (movstrsi): ...this.
3151 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3153 PR tree-optimization/26830
3155 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3156 (copy_prop_visit_stmt): Remove write-only variable ann.
3157 (init_copy_prop): Check variable loop depth here. Do not simulate
3158 memory-tag and virtual operand PHIs except for store copy prop.
3160 2006-03-30 Richard Guenther <rguenther@suse.de>
3162 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3163 variants with double arguments.
3165 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3167 * genpreds.c (write_tm_constrs_h): Delete variable p.
3168 * genconditions.c (write_header): Add tm-constrs.h to included
3170 * genpeep.c (main): Add toplev.h to included headers.
3171 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3172 (build/genpeep.o): Add toplev.h dependency.
3173 * config/rs6000/constraints.md: Add "W" constraint.
3175 2006-03-29 Roger Sayle <roger@eyesopen.com>
3177 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3178 sizes by correctly testing whether the size fits a host integer.
3179 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3180 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3181 SImode range for the default sizetype and bitsizetype.
3183 2006-03-29 Roger Sayle <roger@eyesopen.com>
3185 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3186 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3187 quickly if the argument is already of the correct type.
3188 Call fold_build1 instead of build1. Tidy up blank lines.
3190 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3192 * genemit.c (main): Add tm-constrs.h to included headers.
3193 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3194 * genpeep.c (main): Add tm-constrs.h to included headers.
3195 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3196 (write_tm_constrs_h): this and write complete file.
3197 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3198 (write_insn_preds_c): Add tm-constrs.h to included headers.
3199 (gen_constrs): New variable.
3200 (parse_option): Parse "-c".
3201 (main): Invoke write_tm_constrs_h.
3202 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3203 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3204 (object_out_file): Add tm-constrs.h dependency.
3205 (insn-emit.o): Same.
3206 (insn-output.o): Same.
3207 (insn-peep.o): Same.
3208 (insn-preds.o): Same.
3209 (insn-recog.o): Same.
3210 (tm-constsr.h): New target.
3211 (s-constrs-h): New target.
3213 * config/rs6000/constraints.md: New file.
3214 * config/rs6000/rs6000.c: Include tm-constrs.h.
3215 (num_insn_constant_wide): Convert to satisfies_constraint.
3216 (rs6000_rtx_costs): Convert to satisfies_constraint.
3217 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3218 (CONST_OK_FOR_LETTER_P): Delete.
3219 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3220 (EXTRA_CONSTRAINT): Delete.
3221 (EXTRA_MEMORY_CONSTRAINT): Delete.
3222 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3223 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3224 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3225 satisfies_constraint.
3227 * config/i386/i386.c: Include tm-constrs.h.
3229 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3231 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3232 * tree-data-ref.c (find_data_references_in_loop,
3233 compute_data_dependences_for_loop): Use pointers to VEC.
3234 (analyze_all_data_dependences): Adjust calls.
3235 * tree-data-ref.h (find_data_references_in_loop,
3236 compute_data_dependences_for_loop): Adjust declarations.
3237 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3238 compute_data_dependences_for_loop.
3240 2006-03-29 Paul Brook <paul@codesourcery.com>
3242 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3245 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3247 PR tree-optimization/26859
3248 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3250 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3251 for the step after fold_convert.
3253 2006-03-29 Paul Brook <paul@codesourcery.com>
3255 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3256 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3258 2006-03-29 Paul Brook <paul@codesourcery.com>
3261 * targhooks.c (default_narrow_bitfield): New fuction.
3262 * targhooks.h (default_narrow_bitfield): add prototype.
3263 * target.h (gcc_target): Add narrow_volatile_bitfield.
3264 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3265 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3266 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3267 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3269 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3271 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3273 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3274 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3275 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3276 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3277 (s390_function_arg_float): Allow SDmode and DDmode values to be
3278 passed in floating point registers.
3279 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3280 check with SCALAR_FLOAT_MODE_P.
3281 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3283 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3285 PR tree-optimization/25985
3286 * tree-ssa-loop-niter.c (number_of_iterations_le,
3287 number_of_iterations_ne): Make comments more precise.
3288 (number_of_iterations_cond): Add only_exit argument. Use the
3289 fact that signed variables do not overflow only when only_exit
3291 (loop_only_exit_p): New.
3292 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3293 number_of_iterations_cond.
3295 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3297 PR tree-optimization/26643
3298 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3301 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3303 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3304 (divsi3_i4_int): Likewise.
3306 2006-03-28 Roger Sayle <roger@eyesopen.com>
3308 * expr.c (emit_group_store): Only create a new pseudo reg if the
3309 quantity it needs to hold isn't already a suitable pseudo.
3311 2006-03-28 Jeff Law <law@redhat.com>
3313 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3314 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3316 2006-03-28 Roger Sayle <roger@eyesopen.com>
3318 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3319 the equivalent ~X & Y, and the symmetry related transformations.
3320 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3321 ~X & Y, and symmetry related transforms.
3323 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3325 Revert my 2006-03-27 patches.
3327 2006-03-28 Roger Sayle <roger@eyesopen.com>
3329 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3330 ~(T1)X, when T1 and T2 are integer types of the same precision
3331 and (T2)X isn't an extension.
3333 2006-03-28 Jeff Law <law@redhat.com>
3335 PR tree-optimization/26796
3336 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3337 need EH edge cleanups rather than purging them immediately.
3338 (eliminate_degenerate_phis): Handle queued EH cleanups.
3340 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3342 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3345 2006-03-27 Roger Sayle <roger@eyesopen.com>
3348 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3349 cast BIT_NOT_EXPR operand to the correct type.
3351 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3353 * tree-loop-linear.c: Don't include varray.h.
3354 (gather_interchange_stats, try_interchange_loops,
3355 linear_transform_loops): Use VEC instead of VARRAY.
3356 * lambda-mat.c: Don't include varray.h.
3357 * tree-chrec.c: Same.
3358 * lambda-trans.c: Same.
3359 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3360 VEC instead of VARRAY.
3361 * tree-vectorizer.h: Idem.
3362 * tree-data-ref.c (dump_data_references,
3363 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3364 initialize_data_dependence_relation, finalize_ddr_dependent,
3365 compute_all_dependences, find_data_references_in_loop,
3366 compute_data_dependences_for_loop, analyze_all_data_dependences,
3367 free_dependence_relation, free_dependence_relations,
3368 free_data_refs): Idem.
3369 * tree-data-ref.h (data_reference_p, subscript_p): New.
3370 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3371 VEC instead of VARRAY.
3372 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3373 (find_data_references_in_loop, compute_data_dependences_for_loop,
3374 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3375 dump_data_dependence_relations, free_dependence_relations,
3376 free_data_refs): Adjust declaration.
3377 (lambda_transform_legal_p): Move declaration here...
3378 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3379 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3380 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3381 vect_analyze_data_refs): Use VEC instead of VARRAY.
3382 * lambda.h (lambda_transform_legal_p): ...from here.
3383 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3384 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3385 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3386 tree-chrec.o): Don't depend on VARRAY_H.
3388 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3390 * rtl.def (Copyright): Update date.
3391 (DEPS_LIST): Change type of the second operand to 'int'.
3392 * target.h (Copyright): Update date.
3393 (struct gcc_target.speculate_insn): Change type of the second parameter
3395 * lists.c (Copyright): Update date.
3396 (alloc_DEPS_LIST): Change signature. Update reference to the second
3397 operand of the DEPS_LIST.
3398 (copy_DEPS_LIST_list): Update reference to the second operand of the
3400 * rtl.h (Copyright): Update date.
3401 (alloc_DEPS_LIST): Update signature.
3402 * sched-int.h (Copyright): Update date.
3403 (ds_t): Change typedef to 'int'.
3404 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3406 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3408 * haifa-sched.c (Copyright): Update date.
3409 (try_ready): Change condition to restore non-speculative pattern
3411 (process_insn_depend_be_in_spec): Code to keep probability of the
3412 speculative dependence non-decreasing.
3414 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3416 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3417 shut up the compiler.
3419 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3421 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3422 to use lib prefix for target.
3423 ($(T)libic_invalidate_array_4-200.a): Likewise.
3424 ($(T)libic_invalidate_array_4a.a): Likewise.
3426 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3427 J"orn Rennecke <joern.rennecke@st.com>
3429 * superh.opt: New file.
3430 * sh.c (boardtype, osruntime): Remove.
3431 * superh.h (SUBTARGET_OPTIONS): Remove.
3432 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3434 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3435 arguments with ^ and/or [].
3437 * config.gcc (sh-*-*): Add quoting to account for quirk of
3439 Replace == with = in enable_incomplete_targets test.
3441 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3442 with MASK_LITTLE_ENDIAN.
3444 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3445 * config/sh/sh.opt: Added to some comments.
3446 * config/sh/superh.h: Removed some chaff.
3448 * config/sh/sh.opt: Add m4-[1234]00* options.
3449 * config/sh/sh.c (sh_handle_option): Likewise.
3450 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3451 (ic_invalidate_array_4-100.o): New rule.
3452 ($(T)libic_invalidate_array_4-100.a): Likewise.
3453 (ic_invalidate_array_4-200.o): Likewise.
3454 ($(T)libic_invalidate_array_4-200.a): Likewise.
3455 (ic_invalidate_array_4a.o): Likewise.
3456 ($(T)libic_invalidate_array_4a.a): Likewise.
3457 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3458 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3460 * config/sh/crt1.asm: Merged in profiling code.
3461 * config/sh/superh.h (STARTFILE_SPEC): Override.
3462 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3463 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3464 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3466 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3467 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3468 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3470 * sh.opt (mpretend-cmove): New option.
3471 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3472 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3473 (movsicc): Add TARGET_PRETEND_CMOVE code.
3475 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3478 s390_class_max_nregs): New function prototypes.
3479 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3480 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3481 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3482 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3484 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3486 * dwarf2out.c (add_location_or_const_value_attribute): Call
3487 tree_add_const_value_attribute if nothing else works.
3488 (reference_to_unused): New.
3489 (rtl_for_decl_init): Use reference_to_unused to decide whether
3490 to output an initializer.
3492 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3495 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3496 peephole removing spe frob_di_df_2.
3498 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3500 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3501 (subscript_dependence_tester_1): Declared.
3502 (print_dir_vectors, print_dist_vectors): New.
3503 (debug_data_dependence_relation): New.
3504 (dump_data_dependence_relation): Print more details.
3505 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3506 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3507 (save_dist_v, save_dir_v, add_outer_distances,
3508 build_classic_dist_vector_1): New.
3509 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3510 Don't test for lambda_vector_lexico_pos.
3511 (same_access_functions, add_multivariate_self_dist,
3512 add_other_self_distances, dir_from_dist): New.
3513 (build_classic_dir_vector): Replace implementation almost identical to
3514 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3516 (subscript_dependence_tester_1): New.
3517 (subscript_dependence_tester): Handle the lexicographically negative
3518 distance vectors by recomputing the dependence relation.
3519 (compute_affine_dependence): Remove parameter loop_nest_depth.
3520 (compute_self_dependence): Don't call compute_subscript_distance.
3521 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3522 Add a parameter for the loop_nest.
3523 (find_loop_nest_1, find_loop_nest): New.
3524 (compute_data_dependences_for_loop): Compute the loop nest, and give
3525 up if the nest is not well formed.
3526 * tree-data-ref.h (loop_p): New.
3527 (struct data_dependence_relation): Replace size_vect field with
3528 loop_nest, a vec of loops.
3529 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3530 (DDR_LOOP_NEST): New.
3531 (print_dir_vectors, print_dist_vectors,
3532 debug_data_dependence_relation): Declared.
3533 (index_in_loop_nest): New.
3534 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3535 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3538 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3540 * simplify-rtx.c (simplify_relational_operation): Call
3541 simplify_relational_operation_1 even if mode is VOIDmode.
3543 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3545 PR tree-optimization/26804
3546 * tree.h (DECL_CALL_CLOBBERED): New macro.
3547 (tree_decl_common): Add call_clobbered_flag.
3548 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3549 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3550 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3551 (mark_non_addressable): Ditto.
3552 * tree-ssa.c (verify_call_clobbered): New function.
3553 (verify_alias_info): Use it.
3554 * tree-pass.h (pass_reset_cc_flags): New prototype.
3555 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3556 (reset_cc_flags): New function.
3557 * passes.c (init_optimization_passes): Call reset_cc_flags after
3558 initializing referenced_vars.
3560 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3561 Roger Sayle <roger@eyesopen.com>
3564 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3565 to 1.0 for non-real operands. Implement A / A optimization for
3568 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3570 * config/i386/i386.c (size_cost): Correct the comment for
3571 cost of storing fp registers.
3572 (i386_cost): Likewise.
3573 (i486_cost): Likewise.
3574 (pentium_cost): Likewise.
3575 (pentiumpro_cost): Likewise.
3576 (k6_cost): Likewise.
3577 (athlon_cost): Likewise.
3578 (k8_cost): Likewise.
3579 (pentium4_cost): Likewise.
3580 (nocona_cost): Likewise.
3581 (generic64_cost): Likewise.
3582 (generic32_cost): Likewise.
3584 2006-03-24 Denis Chertykov <denisc@overta.ru>
3586 * config/avr/avr-protos.h (extra_constraint): Delete.
3587 (extra_constraint_Q): New declaration.
3588 * config/avr/constraints.md: New file.
3589 * config/avr/avr.md: Include it.
3590 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3591 (TMP_REGNO, ZERO_REGNO): Likewise.
3592 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3593 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3594 (extra_constraint): Delete.
3595 (extra_constraint_Q): Test for memory constraint 'Q'.
3596 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3597 (REG_CLASS_FROM_LETTER): Delete.
3598 (CONST_OK_FOR_LETTER_P): Delete.
3599 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3600 (EXTRA_CONSTRAINT): Delete.
3601 (TMP_REGNO): Delete.
3602 (ZERO_REGNO): Delete.
3604 2006-03-24 Jeff Law <law@redhat.com>
3606 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3607 directly. Call mark_new_vars_to_rename slightly earlier.
3609 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3611 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3613 (gen_compile_unit_die): Use new language types for Objective-C and
3615 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3616 DW_LANG_C_plus_plus.
3619 * config/t-darwin (crt3.o): Work around bug 26840.
3620 * config/darwin-crt3.c: Rewrite.
3621 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3623 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3625 * doc/invoke.texi: Document -femit-class-debug-always
3626 * common.opt: Add -femit-class-debug-always.
3628 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3630 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3631 index and base register.
3632 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3633 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3634 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3635 REGNO_OK_FOR_INDEX_P.
3636 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3638 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3639 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3640 REG_OK_FOR_BASE_P): Definitions removed.
3642 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3645 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3646 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3647 set yet or weren't marked as local yet.
3649 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3651 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3654 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3656 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3657 (rs6000_legitimate_small_data_p): Delete.
3658 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3659 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3660 and make static. Add forward declaration. Update uses.
3661 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3662 of offsettable_memref_p.
3663 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3664 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3666 2006-03-24 Jeff Law <law@redhat.com>
3668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3669 around bug in immediate-use iterator.
3671 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3674 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3675 or __LITTLE_ENDIAN__.
3677 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3679 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3680 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3681 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3682 * config/sh/sh.opt (mdiv=): Amend description.
3683 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3684 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3685 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3686 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3687 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3688 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3689 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3690 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3691 TARGET_DIVIDE_CALL_FP.
3693 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3695 * haifa-sched.c (choose_ready): Fix type of the local variable.
3696 Move local variables. Add comment.
3697 (check_reg_live): Change signature. Make callable from debugger.
3698 * sched-int.h (check_reg_live): Update signature.
3699 * sched-ebb.c (check_reg_live): Update parameters.
3700 * sched-rgn.c (check_reg_live): Ditto.
3701 (region_head_or_leaf_p): Check pointer before dereferencing.
3702 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3703 before reload on optimization levels below 1.
3705 2006-03-23 Richard Henderson <rth@redhat.com>
3707 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3711 * config/alpha/predicates.md (local_symbolic_operand): Reject
3714 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3717 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3718 expressions which have overflowed constants.
3720 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3722 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3724 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3726 * cfgloopmanip.c (create_loop_notes): Removed.
3727 * final.c (final_scan_insn): Do not handle loop notes.
3728 * jump.c (squeeze_notes): Ditto.
3729 * cfglayout.c (skip_insns_after_block,
3730 duplicate_insn_chain): Ditto.
3731 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3733 * cfgloop.h (create_loop_notes): Declaration removed.
3735 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3737 * varasm.c (output_constant_pool): Restore fnname and fndecl
3739 (assemble_start_function): Adjust call accordingly.
3740 (assemble_end_function): Likewise.
3742 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3745 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3748 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3750 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3753 * system.h (ICE_EXIT_CODE): New macro.
3754 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3755 (diagnostic_action_after_output): Likewise.
3756 * gcc.c (fatal_ice): New function.
3757 (execute): Use it instead of fatal.
3758 (fancy_abort): Likewise.
3759 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3761 2006-03-22 Jeff Law <law@redhat.com>
3763 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3764 iv_analyze_result returning false.
3766 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3768 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3770 2006-03-22 Richard Henderson <rth@redhat.com>
3773 * except.c (duplicate_eh_regions_0): New.
3774 (duplicate_eh_region_1): Duplicate the children of the node as
3775 well as the node itself. Link them up properly.
3776 (duplicate_eh_region_2): Merge into ...
3777 (duplicate_eh_regions): ... here. Take copy_region argument, and
3778 copy only a sub-tree if asked. Simplify copying and fixup.
3779 (eh_region_outer_p): New.
3780 * except.h (duplicate_eh_regions): Update decl.
3781 (eh_region_outer_p): Declare.
3782 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3783 (lower_omp_master): Likewise.
3784 (lower_omp_ordered): Likewise.
3785 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3786 (move_stmt_r): Use it to remap labels. Handle recursion vs
3787 remap_decls_p properly.
3788 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3789 (find_outermost_region_in_block): New.
3790 (new_label_mapper): New.
3791 (move_sese_region_to_fn): Copy eh information to the new function
3793 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3795 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3798 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3800 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3801 into shared libraries.
3803 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3805 * doc/md.texi: Refer to i386/constraints.md instead of
3807 * config/i386/constraints.md: New file, extracted from...
3808 * config/i386/predicates.md: ...here.
3809 * config/i386/i386.md: Include constraints.md.
3811 2006-03-21 Jason Merrill <jason@redhat.com>
3813 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3816 * expr.c (init_block_move_fn): Force default visibility.
3817 (init_block_clear_fn): Likewise.
3818 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3819 * targhooks.c (default_external_stack_protect_fail): Likewise.
3821 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3823 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3824 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3825 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3826 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3827 (loadgp): Use mips_current_loadgp_style.
3828 (loadgp_noshared): New pattern.
3829 (sibcall_internal): Use MIPS_CALL.
3830 (sibcall_value_internal): Likewise.
3831 (sibcall_value_multiple_internal): Likewise.
3832 (call_internal): Likewise.
3833 (call_value_internal): Likewise.
3834 (call_value_multiple_internal): Likewise.
3835 (call_split): Use MIPS_CALL and add an 'S' constraint.
3836 (call_value_split): Likewise.
3837 (call_value_multiple_split): Likewise.
3838 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3839 (-mshared): New option.
3840 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3841 (mips_current_loadgp_style): Declare.
3842 * config/mips/mips.c (mips_classify_symbol): Avoid using
3843 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3844 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3845 TARGET_ABSOLUTE_ABICALLS.
3846 (override_options): Adjust comments. Improve the warning that is
3847 issued when -mabicalls and -G are used together.
3848 (mips_file_start): Remove comment.
3849 (mips_current_loadgp_style): New function.
3850 (mips_gnu_local_gp): New variable.
3851 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3853 (mips_output_function_prologue): Use mips_current_laodgp_style.
3854 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3855 the cprestore instruction.
3856 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3857 live for TARGET_ABSOLUTE_ABICALLS.
3858 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3859 (ASM_SPEC): Pass down -mshared and -mno-shared.
3860 (MIPS_CALL): New macro.
3861 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3863 * doc/invoke.texi (-mabicalls): Update documentation.
3864 (-mshared): Document.
3866 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3868 * config/ia64/unwind-hpux.c: New file.
3869 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3871 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3874 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3876 2006-03-21 Jeff Law <law@redhat.com>
3878 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3879 type conversions of a VR_VARYING source to a wider type.
3881 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3883 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3884 tm_file on Solaris 10 and later.
3885 (sparc64-*-solaris2*): Likewise.
3886 (sparc-*-solaris2*): Likewise.
3887 * config/sol26.h: Rename to config/sol2-6.h.
3888 * config/sol2-10.h: New file.
3890 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3893 * tree-ssa-pre.c (create_component_ref_by_pieces):
3896 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3899 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3900 return it immediately.
3902 2006-03-21 Michael Matz <matz@suse.de>
3904 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3906 (remove_arc, add_arc): Update num_out_arcs member.
3907 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3909 (cache_presence): New function.
3910 (compare_states_for_equiv): New function.
3911 (state_is_differed): Don't take number of outargs, adjust callers.
3912 Use new invariant for speeding up.
3913 (init_equiv_class): Create initial classes based on sorted
3915 (partition_equiv_class): Don't track out_arcs_num.
3916 (evaluate_equiv_classes): Call cache_presence on all states and
3919 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3921 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3922 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3923 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3924 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3926 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3927 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3928 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3929 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3930 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3932 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3933 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3934 (REGNO_REG_CLASS): ARGP is in PREGS.
3935 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3937 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3938 to deal with those addresses.
3939 * addresses.h: New file.
3940 * caller-save.c: Include "addresses.h".
3941 (init_caller_save): Use new base_reg_class function.
3942 * rtl-factoring.c: Include "addresses.h".
3943 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3944 * recog.c: Include "addresses.h".
3945 (preprocess_constraints): Use new base_reg_class function.
3946 * regrename.c: Include "addresses.h".
3947 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3948 functions. Keep track of a new var INDEX_CODE to compute valid
3950 (replace_oldest_value_addr): Likewise.
3951 (replace_oldest_value_mem): Use base_reg_class.
3952 * reload.c: Include "addresses.h".
3953 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3954 (find_reloads): Use new base_reg_class function.
3955 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3956 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3957 all callers and prototype changed.
3958 * reload1.c: Include "addresses.h".
3959 (maybe_fix_stack_asms): Use base_reg_class.
3960 * regclass.c: Include "addresses.h".
3961 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3962 (init_reg_autoinc): Use new base_reg_class function.
3963 (record_reg_classes): Likewise.
3964 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3965 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3966 Use new args to compute necessary class.
3968 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3969 regrename.o, rtl-factoring.o): Update dependencies.
3970 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3971 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3972 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3973 REG_OK_FOR_INDEX_P): Delete documentation.
3975 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3977 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3978 from V7 to V9 for Solaris 7 and above.
3980 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3982 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3983 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3984 argument pointers may not alias any other storage.
3985 * common.opt: Define option -fargument-noalias-anything.
3986 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3987 alias semantics is specified by flag_argument_noalias > 2.
3989 2006-03-20 Jeff Law <law@redhat.com>
3991 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3992 (pass_phi_only_cprop): Declare.
3993 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3995 * tree-ssa-dom.c (degenerate_phi_result): New function.
3996 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3997 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3998 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3999 (eliminate_degenerate_phis): Likewise.
4000 (pass_phi_only_cprop): New pass descriptor.
4001 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4002 support code. Callers updated.
4003 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4004 (store_copy_prop): Likewise.
4005 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4007 2006-03-20 Jason Merrill <jason@redhat.com>
4010 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4011 (push_visibility, pop_visibility): Likewise.
4012 * c-pragma.h: Declare them.
4014 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4016 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4018 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4019 parameter and use get_ebb_head_tail.
4020 (sh_md_init_global): Adjust uses of find_regmode_weight.
4022 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4024 * function.h (struct function) <x_tail_recursion_reentry>:
4025 Rename to x_stack_check_probe_note.
4026 (tail_recursion_reentry): Rename to stack_check_probe_note.
4027 * function.c: Replace tail_recursion_reentry with
4028 stack_check_probe_note everywhere.
4029 (expand_function_start): Only emit a note for
4030 stack_check_probe_note with -fstack-protect.
4031 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4033 * emit-rtl.c (remove_unnecessary_notes): Remove.
4034 (pass_remove_unnecessary_notes): Remove.
4035 * rtl.h (remove_unnecessary_notes): Remove prototype.
4036 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4037 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4038 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4040 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4043 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4044 (valid_in_set): Handle ARRAY_REF.
4045 Change "if min_variant or VH" to asserts.
4046 (create_component_ref_by_pieces): Handle ARRAY_REF.
4047 (create_expression_by_pieces): Likewise.
4048 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4050 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4052 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4053 is operand of switch, not str[0].
4055 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4057 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4058 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4060 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4062 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4063 end of insn_extra_address_constraint declaration.
4065 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4067 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4068 (no-sum-in-toc): Same.
4069 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4071 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4072 NO_FP_IN_TOC for -fPIC instead of mask.
4074 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4075 (BOOT_LDFLAGS): Delete.
4077 * config/rs6000/t-aix52: Same.
4079 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4080 (stmsi[345678]_power): New.
4082 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4084 * config/ia64/ia64.opt: Add empty line to end of file.
4086 2006-03-17 Richard Guenther <rguenther@suse.de>
4089 * builtins.c (get_pointer_alignment): For component style references
4090 adjust alignment to the component type alignment. Make sure
4091 to adjust alignment for component access of constants.
4093 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4095 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4098 2006-03-17 Paul Brook <paul@codesourcery.com>
4100 * doc/install.texi: Docuemnt --with-mode.
4101 * config.gcc: Add --with-mode for arm*-*-*.
4102 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4104 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4106 * sh.c (max_labelno_before_reorg): New variable.
4107 (sh_reorg): Initialize it.
4108 (find_barrier): Check max_labelno_before_reorg before using
4109 label_to_alignment. Take length of explicit alignment insns
4110 into account. When seeing a UNSPECV_CONST_END, return it.
4112 * sh.c (fixup_mova): Set mode of affected label to QImode.
4113 (untangle_mova): New function.
4114 (find_barrier): Use it. Check mode of label before decrementing
4116 (sh_reorg): Likewise.
4117 Set mode of all insns back to VOIDmode.
4119 * sh.c (MOVA_LABELREF): New macro.
4120 (mova_p, fixup_mova, sh_reorg): Use it.
4121 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4122 ADDR_DIFF_VEC matches mova.
4124 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4126 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4127 with ATTRIBUTE_UNUSED.
4129 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4131 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4132 pointer, instead of assuming it is possible to derive the
4133 correct args size from a call insn.
4135 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4137 * rtl.h (CONST_INT_P): Define.
4138 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4139 instead of GET_CODE(x) == CONST_INT.
4140 (vax_rtx_costs): Likewise.
4141 (vax_output_int_move): Likewise.
4142 (vax_output_int_add): Likewise.
4143 (legitimate_constant_address_p): Likewise.
4144 (index_term_p): Likewise.
4145 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4146 * config/vax/vax.md (and<mode>3): Likewise.
4147 (ashrsi3): Likewise.
4149 (movstricthi): Likewise.
4150 (movstrictqi): Likewise.
4151 (rotrsi3): Likewise.
4152 (five unnamed insns): Likewise.
4154 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4156 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4157 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4158 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4159 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4160 Pass to ASM_OUTPUT_DWARF_OFFSET.
4161 * dwarf2out.c (debug_frame_section): New.
4162 (output_call_frame_info): Use debug_frame_section. Pass it to
4163 dw2_asm_output_offset.
4164 (output_die): Pass appropriate section to dw2_asm_output_offset.
4165 (output_compilation_unit_header): Likewise.
4166 (output_pubnames): Likewise.
4167 (output_aranges): Likewise.
4168 (enum dw_val_class): Break dw_val_class_lbl_offset into
4169 dw_val_class_lineptr and dw_val_class_macptr.
4170 (add_AT_lbl_offset): Delete.
4171 (add_AT_lineptr): New.
4172 (add_AT_macptr): New.
4173 (AT_lbl): Expect a lineptr or macptr.
4174 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4175 (attr_checksum): Likewise.
4176 (same_dw_val_p): Likewise.
4177 (size_of_die): Likewise.
4178 (value_format): Likewise.
4179 (output_die): Likewise.
4180 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4182 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4183 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4184 * config/darwin-protos.h (darwin_file_start): New.
4185 (darwin_asm_output_dwarf_offset): New.
4186 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4187 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4189 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4190 if not EH section; simplify.
4191 (darwin_file_start): New.
4192 (darwin_asm_output_dwarf_offset): New.
4193 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4195 (DEBUG_INFO_SECTION): Likewise.
4196 (DEBUG_ABBREV_SECTION): Likewise.
4197 (DEBUG_ARANGES_SECTION): Likewise.
4198 (DEBUG_MACINFO_SECTION): Likewise.
4199 (DEBUG_LINE_SECTION): Likewise.
4200 (DEBUG_LOC_SECTION): Likewise.
4201 (DEBUG_PUBNAMES_SECTION): Likewise.
4202 (DEBUG_STR_SECTION): Likewise.
4203 (DEBUG_RANGES_SECTION): Likewise.
4204 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4205 (ASM_OUTPUT_DWARF_OFFSET): New.
4207 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4209 * config.gcc (tm_defines): Always add to previous value rather
4212 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4214 * config/mips/predicates.md (splittable_const_int_operand): New,
4215 split from move_operand.
4216 (splittable_symbolic_operand): New.
4217 (move_operand): Add commentary. Use splittable_const_int_operand.
4218 Inline mips_atomic_symbolic_constant_p.
4219 * config/mips/mips.md: Add combine splitters for handling moves
4220 of splittable_const_int_operands and splittable_symbolic_operands.
4221 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4222 (mips_split_symbol): Declare.
4223 (mips_move_integer): Declare.
4224 * config/mips/mips.c (mips_split_p): Make global.
4225 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4226 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4227 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4228 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4229 (mips_offset_within_object_p): Handle block symbols.
4230 (mips_atomic_symbolic_constant_p): Delete.
4231 (mips_cannot_force_const_mem): Return false for constants that
4232 mips_legitimize_move can handle.
4233 (mips_use_blocks_for_constant_p): New function.
4234 (mips_split_symbol): Make global.
4235 (mips_move_integer): Likewise. Add a temporary register argument.
4236 (mips_legitimize_const_move): Use splittable_const_int_operand and
4237 splittable_symbolic_operand.
4238 (mips_use_anchors_for_symbol_p): New function.
4239 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4240 (mips_split_p): Declare.
4242 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4244 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4245 (mips*-*-linux*): Likewise.
4247 2006-03-16 Roger Sayle <roger@eyesopen.com>
4248 Daniel Speyer <dspeyer@wam.umd.edu>
4251 * tree-dump.c (dump_real): New function.
4252 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4253 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4254 (tree-dump.o): Add $(REAL_H) to the dependencies.
4256 2006-03-16 Roger Sayle <roger@eyesopen.com>
4259 * real.c (real_from_string): If the mantissa is zero, don't bother
4260 parsing the exponent as the result should always be zero.
4262 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4264 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4266 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4268 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4269 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4270 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4271 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4272 ia64_sched_finish_global): New static functions to implement
4273 hooks from gcc_target.sched.
4274 (spec_check_no, max_uid, pending_data_specs): New static variables.
4275 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4276 ia64_spec_check_src_p): New static functions.
4277 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4278 (TARGET_SCHED_ADJUST_COST): Removed.
4279 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4280 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4281 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4282 TARGET_SCHED_GEN_CHECK,
4283 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4284 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4285 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4286 Fixed to handle speculation checks.
4287 (rtx_needs_barrier): Fixed to handle speculative loads and
4289 (ia64_variable_issue): Added code to count speculative loads and their
4291 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4293 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4295 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4297 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4298 (ia64_reorg): Reset stops_p to NULL after it is freed.
4299 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4300 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4301 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4303 (data_speculative, control_speculative, check_load): New attributes.
4304 (mov<mode>_advanced, mov<mode>_speculative,
4305 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4306 zero_extend<mode>di2_speculative,
4307 zero_extend<mode>di2_speculative_advanced): New patterns for
4308 data and control speculative loads.
4309 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4311 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4312 New pattern for data and control speculation checks.
4313 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4314 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4315 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4316 Auxiliary definitions for the patterns.
4317 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4318 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4320 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4322 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4323 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4324 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4325 New resource constraints.
4326 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4328 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4329 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4330 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4331 msched-in-control-spec, msched-ldc, msched-control-ldc,
4332 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4333 msched-prefer-non-control-spec-insns,
4334 msched-count-spec-in-critical-path): New flags to tune speculative
4336 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4337 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4338 msched-in-control-spec, msched-ldc, msched-control-ldc,
4339 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4340 msched-prefer-non-control-spec-insns,
4341 msched-count-spec-in-critical-path): Document new flags.
4343 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4345 * target.h (struct spec_info_def): New opaque declaration.
4346 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4347 speculate_insn, needs_block_p, gen_check,
4348 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4349 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4350 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4351 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4352 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4353 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4355 (TARGET_SCHED): Use new macros.
4356 * rtl.h (copy_DEPS_LIST_list): New prototype.
4357 * sched-int.h (struct sched_info): Change signature of new_ready field,
4358 adjust all initializations. New fields: add_remove_insn,
4359 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4360 region_head_or_leaf_p.
4361 (struct spec_info_def): New structure declaration.
4362 (spec_info_t): New typedef.
4363 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4364 recovery_block, orig_pat.
4365 (glat_start, glat_end): New variables declaraions.
4366 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4368 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4369 DETACH_LIFE_INFO, USE_GLAT.
4370 (enum SPEC_SCHED_FLAGS): New enumeration.
4371 (NOTE_NOTE_BB_P): New macro.
4372 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4373 attach_life_info, debug_spec_status, check_reg_live): New functions.
4374 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4375 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4377 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4378 * ddg.c (get_block_head_tail): Adjust all uses.
4379 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4380 (sms_sched_info): Initialize new fields.
4381 (contributes_to_priority): Removed.
4382 * haifa-sched.c (params.h): New include.
4383 (get_block_head_tail): Adjust all uses.
4384 (ISSUE_POINTS): New macro.
4385 (glat_start, glat_end): New global variables.
4386 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4387 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4388 old_last_basic_block, before_recovery, current_sched_info_var,
4389 rgn_n_insns, luid): New static variables.
4390 (insn_cost1): New function. Move logic from insn_cost to here.
4391 (find_insn_reg_weight1): New function. Move logic from
4392 find_insn_reg_weight to here.
4393 (reemit_notes, move_insn, max_issue): Change signature.
4394 (move_insn1): Removed.
4395 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4396 extend_bb): New static functions to support extension of scheduler's
4398 (generate_recovery_code, process_insn_depend_be_in_spec,
4399 begin_speculative_block, add_to_speculative_block,
4400 init_before_recovery, create_recovery_block, create_check_block_twin,
4401 fix_recovery_deps): New static functions to support
4402 generation of recovery code.
4403 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4404 restore_bb_notes, move_block_after_check, move_succs): New static
4405 functions to support ebb scheduling.
4406 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4407 functions to support handling of register live information.
4408 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4409 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4410 add_jump_dependencies): New static functions.
4411 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4412 consistancy checking.
4413 (debug_spec_status): New function to call from debugger.
4414 (priority): Added code to handle speculation checks.
4415 (rank_for_schedule): Added code to distinguish speculative instructions.
4416 (schedule_insn): Added code to handle speculation checks.
4417 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4418 Fixed to handle ebbs.
4419 (move_insn): Added code to handle ebb scheduling.
4420 (max_issue): Added code to use ISSUE_POINTS of instructions.
4421 (choose_ready): Added code to choose between speculative and
4422 non-speculative instructions.
4423 (schedule_block): Added code to handle ebb scheduling and scheduling of
4424 speculative instructions.
4425 (sched_init): Initialize new variables.
4426 (sched_finish): Free new variables. Print statistics.
4427 (try_ready): Added code to handle speculative instructions.
4428 * lists.c (copy_DEPS_LIST_list): New function.
4429 * sched-deps.c (extend_dependency_caches): New function. Move logic
4430 from create_dependency_caches to here.
4431 (get_dep_weak, ds_merge): Make global.
4432 * genattr.c (main): Code to output prototype for
4433 dfa_clear_single_insn_cache.
4434 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4435 (output_dfa_clean_insn_cache_func): Code to output
4436 dfa_clear_single_insn_cache function.
4437 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4439 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4441 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4442 New static variables.
4443 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4444 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4446 (ebb_sched_info): Initialize new fields.
4447 (get_block_head_tail): Adjust all uses.
4448 (compute_jump_reg_dependencies): Fixed to use glat_start.
4449 (schedule_ebb): Code to remove unreachable last block.
4450 (schedule_ebbs): Added code to update register live information.
4451 * sched-rgn.c (region_sched_info): Initialize new fields.
4452 (get_block_head_tail): Adjust all uses.
4453 (last_was_jump): Removed. Adjust users.
4454 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4455 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4456 Implement new hooks.
4457 (check_dead_notes1): New static function.
4458 (struct region): New fields: dont_calc_deps, has_real_ebb.
4459 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4460 (BB_TO_BLOCK): Fixed to handle EBBs.
4461 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4462 (ebb_head): New static variable.
4463 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4464 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4466 (compute_dom_prob_ps): New assertion.
4467 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4468 global_live_at_start.
4469 (init_ready_list): New assertions.
4470 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4471 (new_ready): Add support for BEGIN_CONTROL speculation.
4472 (schedule_insns): Fixed code that updates register live information
4474 (schedule_region): Fixed to handle EBBs.
4475 (init_regions): Use extend_regions and check_dead_notes1.
4476 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4477 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4478 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4479 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4480 TARGET_SCHED_GEN_CHECK,
4481 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4482 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4483 * doc/invoke.texi (max-sched-insn-conflict-delay,
4484 sched-spec-prob-cutoff): Document.
4486 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4488 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4489 inter_tick, queue_index.
4490 (struct sched_info): Change signature of init_ready_list field.
4491 Adjust all initializations.
4492 (RESOLVED_DEPS): New access macro.
4493 (ready_add): Remove prototype.
4494 (try_ready): Add prototype.
4495 * sched-rgn.c (init_ready_list): Use try_ready.
4496 (schedule_region): Initialize
4497 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4498 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4499 (init_ready_list): Use try_ready.
4500 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4501 * lists.c (remove_list_elem): Remove `static'.
4502 (remove_free_INSN_LIST_elem): New function.
4503 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4504 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4505 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4507 (readyp): New variable.
4508 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4509 change_queue_index, resolve_dep): New static functions.
4510 (try_ready): New function. Adjust callers in sched-rgn.c and
4511 sched-ebb.c to use it instead of ready_add.
4512 (clock_var): Move at the begining of file.
4513 (rank_for_schedule): Fix typo.
4514 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4515 (ready_lastpos): Enforce assertion.
4516 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4518 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4519 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4520 (queue_to_ready): Use free_INSN_LIST_list.
4521 (early_queue_to_ready): Fix typo.
4522 (schedule_block): Init readyp. Move init_ready_list call after the
4523 initialization of clock_var. Fix error in rejecting insn by
4524 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4525 that previously corrected INSN_TICKs. Add code for handling
4527 (set_priorities): Fix typo.
4528 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4529 Clarify comment and code that keeps current_sched_info->next_tail
4532 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4534 * sched-rgn.c (extend_rgns): New static function.
4535 (find_rgns): Use it.
4536 (gather_region_statistics, print_region_statistics): New static
4538 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4539 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4541 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4542 Andrey Belevantsev <abel@ispras.ru>
4544 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4545 * lists.c (unused_deps_list): New variable.
4546 (free_list): Add assertions to verify the proper distinguishing
4547 between INSN_LISTs and DEPS_LISTs.
4548 (find_list_elem, remove_list_elem, remove_list_node): New static
4550 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4551 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4552 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4553 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4555 (free_INSN_LIST_node): Likewise.
4556 * modulo-sched.c (current_sched_info): Initialize flags field.
4557 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4558 * rtl.def (DEPS_LIST): Define.
4559 * rtl.h: Declare new functions from lists.c.
4560 * sched-deps.c (spec_dependency_cache): New static variable.
4561 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4562 (add_dependence): Change return type to void. Move the logic to ...
4563 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4564 (delete_all_dependences): Add comment about forward_dependency_cache.
4565 Handle spec_dependency_cache. Handle DEPS_LISTs.
4566 (fixup_sched_groups): Clarify the change of priority of output
4567 and anti dependencies.
4568 (sched_analyze_2): Adjust add_dependence calls to create data
4569 speculative dependence.
4570 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4571 Adjust all callers. Handle DEPS_LISTS.
4572 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4573 presence of speculation.
4574 (init_dependency_caches, free_dependency_caches):
4575 Handle spec_dependency_cache.
4576 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4577 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4578 New static functions.
4579 (add_or_update_back_dep, add_or_update_back_forw_dep,
4580 add_back_forw_dep, delete_back_forw_dep): New functions.
4581 * sched-int.h (ds_t, dw_t): New typedefs.
4582 (struct sched_info): Add new field flags.
4583 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4584 Prototype new sched-deps.c functions.
4585 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4586 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4587 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4588 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4589 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4590 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4592 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4594 * sched-rgn.c (current_sched_info): Initialize flags field.
4595 (schedule_insns): Initialize current_sched_info before the sched_init
4597 * sched-ebb.c (current_sched_info): Initialize flags field.
4598 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4599 Call add_or_update_back_dep instead of add_dependence.
4600 Create control speculative dependencies.
4601 (schedule_insns): Initialize current_sched_info before the sched_init
4604 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4606 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4608 (sh_fallback_frame_state): Likewise.
4610 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4612 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4613 Do switch on default_use_cxa_atexit.
4614 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4615 * config/darwin-crt3.o: New.
4616 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4617 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4618 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4620 * config/rs6000/t-darwin: Move crt2.o building to here.
4621 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4622 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4625 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4627 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4628 from '! xxx' to '!xxx' for coding-style conformance.
4629 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4630 (EXTRA_CONSTRAINT): Likewise.
4631 * config/vax/vax.md (four unnamed insns): Likewise.
4633 2006-03-15 Paul Brook <paul@codesourcery.com>
4635 * config/arm/arm.c (minipool_pad): New.
4636 (add_minipool_forward_ref): Include pool alignment padding in address
4638 (push_minipool_fix): Set minipool_pad.
4639 (minipool_pad): Ditto.
4641 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4643 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4644 instead of GET_CODE() == MEM and REG_P() instead of
4646 (print_operand_address): Likewise.
4647 (vax_address_cost): Likewise.
4648 (vax_rtx_costs): Likewise.
4649 (vax_notice_update_cc): Likewise.
4650 (vax_output_int_add): Likewise.
4651 (INDEX_REGISTER_P): Likewise.
4652 (BASE_REGISTER_P): Likewise.
4653 (nonindexed_address_p): Likewise.
4654 (vax_mode_dependent_address_p): Likewise.
4655 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4656 (PRINT_OPERAND): Likewise.
4657 * config/vax/vax.md (ashlsi3): Likewise.
4658 (ashlsi3): Likewise.
4659 (some more unnamed insns): Likewise.
4661 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4663 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4664 iterator-style macro.
4665 (mark_control_dependent_edges_necessary): Update the use of
4666 EXECUTE_IF_CONTROL_DEPENDENT.
4668 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4670 * config/sh/predicates.md (cache_address_operand): Special.
4671 (ua_address_operand): Likewise.
4673 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4675 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4677 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4679 2006-03-15 Andreas Schwab <schwab@suse.de>
4681 * gensupport.c (identify_predicable_attribute): Don't free p_false
4682 when it is still in use.
4684 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4686 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4687 the default setting here.
4689 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4691 * tree-pass.h (pass_cfg): Remove.
4692 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4693 * passes.c (pass_cfg): Don't run it.
4695 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4697 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4698 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4700 (stack_regs_mentioned): Update the uses of
4701 stack_regs_mentioned_data. Don't access the array beyond its
4703 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4704 Don't include gt-reg-stack.h.
4706 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4707 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4709 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4712 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4715 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4717 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4719 2006-03-14 Richard Guenther <rguenther@suse.de>
4721 PR tree-optimization/26672
4722 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4725 2006-03-14 Richard Guenther <rguenther@suse.de>
4727 PR tree-optimization/26667
4728 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4729 node for the callees. Always allow inlining if it will shrink
4732 2006-03-14 Richard Guenther <rguenther@suse.de>
4735 * builtins.c (get_pointer_alignment): Prefer alignment
4736 information from decls over that from types.
4738 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4741 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4743 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4745 * config/rs6000/rs6000.opt (mdlmzb): New option.
4746 (msched-prolog, msched-epilog): Use Var not Mask.
4747 * doc/invoke.texi (-mdlmzb): Document.
4748 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4750 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4751 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4753 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4755 PR rtl-optimization/25739
4756 * bt-load.c (augment_live_range): Free tos pointer.
4758 * gensupport.c (identify_predicable_attribute): Free
4760 * gcov.c (create_file_names): Free name pointer.
4762 2006-03-13 Roger Sayle <roger@eyesopen.com>
4765 * stmt.c (emit_case_nodes): Handle the case where the index is a
4766 CONST_INT, where the comparison mode is specified by the index type.
4768 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4770 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4773 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4775 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4776 (*branch_fp_inverted): Likewise.
4778 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4781 * omp-low.c (expand_omp_for_generic): Mark istart0
4782 and iend0 as addressable.
4784 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4786 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4788 2006-03-13 Jeff Law <law@redhat.com>
4790 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4791 virtual operands are interesting.
4792 (vrp_visit_stmt): Corresponding changes.
4794 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4796 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4798 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4799 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4800 * config/bfin/crti.S: Use it instead of __PIC__.
4801 * config/bfin/crtn.S: Likewise.
4803 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4804 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4806 Lose 'G' modifier for call operand.
4807 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4808 recognize 'G' modifier.
4810 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4813 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4814 * stmt.c (expand_case): Likewise.
4816 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4818 PR rtl-optimization/26254
4819 * loop-invariant.c (seq_insns_valid_p): New function.
4820 (move_invariant_reg): Only emit new code if it is valid.
4822 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4824 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4826 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4827 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4828 (commit_one_edge_insertion): Do not look for loop notes.
4830 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4832 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4833 flag_test_coverage out of loop.
4835 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4837 * final.c (shorten_branches): Remove outdated comment, and turn
4838 the if branch that guards it to continue.
4840 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4842 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4843 * cfgloop.h (struct loop): Remove unused fields.
4845 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4847 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4848 (-dL, -fdump-rtl-loop2): Update the dump file names
4850 * doc/invoke.texi: Update dump file names.
4852 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4854 * predict.c (estimate_probability): Remove.
4855 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4856 * basic-block.h (estimate_probability): Remove prototype.
4857 * passes.c (finish_optimization_passes): Dump branch prediction or
4858 profiling heuristics to the .profile tree dump.
4859 (init_optimization_passes): Unqueue pass_branch_prob.
4861 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4863 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4865 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4866 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4868 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4870 * function.h (frame_offset_overflow): Declare.
4871 * function.c (frame_offset_overflow): New function.
4872 (assign_stack_local_1): Call it to detect that the offset overflows.
4873 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4875 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4877 * config/sh/sh.c: Include alloc-pool.h.
4878 (label_ref_list_pool): New alloc pool.
4879 (label_ref_list_t): New type for lists of labels.
4880 (struct pool_node): Make wend a label_ref_list_t.
4881 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4883 (dump_table): Likewise.
4884 (sh_reorg): Set up the alloc pool before using add_constant and
4885 dump_table, and destroy it when finishing.
4887 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4889 * config/mips/mips.c: Remove redundant comment.
4891 2006-03-10 Jason Merrill <jason@redhat.com>
4894 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4895 the target was declared 'register'.
4897 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4899 * genpreds.c (write_insn_constraint_len): Change definition of
4900 insn_constraint_len to return size_t to match the declaration.
4902 2006-03-10 DJ Delorie <dj@redhat.com>
4904 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4906 (m32c_expand_insv): Fix test for an AND mask.
4908 2006-03-10 Richard Guenther <rguenther@suse.de>
4911 * builtins.c (get_pointer_alignment): Handle component
4912 references for field alignment.
4914 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4916 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4917 when building with libgloss.
4918 (sh*elf): Implement --without-fp option.
4919 (sh64-superh-linux*): Don't multilib.
4921 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4923 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4925 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4927 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4928 Set it when one of the replacement functions returned true.
4929 Return TODO_cleanup_cfg if cfgchanged is true.
4930 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4932 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4934 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4935 instead of gen_lowpart.
4937 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4939 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4941 (mips_output_order_conditional_branch): Declare.
4942 * config/mips/mips.h (MIPS_BRANCH): New macro.
4943 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4944 for the comparison. Use gen_condjump.
4945 (mips_output_conditional_branch): Rework interface to take the
4946 asm templates for a direct branch and the inverse of a direct branch.
4947 (mips_output_order_conditional_branch): New function.
4948 (mips_builtin_branch_and_move): New function.
4949 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4950 branch condition. Use gen_single_cc as the condition for
4951 __builtin_mips_upper_* or __builtin_mips_lower_*.
4952 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4953 Use VOIDmode for the branch condition.
4954 * config/mips/predicates.md (order_operator): New predicate.
4955 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4956 (branch_fp): Rename to...
4957 (*branch_fp): ...this. Remove mode from comparison operator.
4958 Use new mips_output_conditional_branch interface.
4959 (branch_fp_inverted): Rename to...
4960 (*branch_fp_inverted): ...this and update as for *branch_fp.
4961 (*branch_zero<mode>): Rename to...
4962 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4963 Use mips_output_order_conditional_branch. Only accept ordered
4965 (*branch_zero<mode>_inverted): Rename to...
4966 (*branch_order<mode>_inverted): ...this and update as for
4967 *branch_order<mode>.
4968 (*branch_equality<mode>): Accept zero as the second operand to
4969 the equality operator. Use the new mips_output_conditional_branch
4971 (*branch_equality<mode>_inverted): Likewise.
4972 (condjump): New expander.
4973 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4975 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4976 (bc1any2t, bc1any2f): Likewise.
4977 (single_cc): New expander.
4978 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4980 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4982 * doc/md.texi: Update documentation of MIPS constraints.
4983 * config/mips/constraints.md: New file.
4984 * config/mips/mips.md: Include it.
4985 * config/mips/mips.c (mips_char_to_class): Delete.
4986 (override_options): Don't initialize mips_char_to_class.
4987 * config/mips/mips.h (mips_char_to_class): Delete.
4988 (REG_CLASS_FROM_LETTER): Delete.
4989 (CONST_OK_FOR_LETTER_P): Delete.
4990 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4991 (EXTRA_CONSTRAINT_Y): Delete.
4992 (EXTRA_CONSTRAINT_STR): Delete.
4993 (CONSTRAINT_LEN): Delete.
4994 (EXTRA_MEMORY_CONSTRAINT): Delete.
4996 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4998 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4999 original fn's eh regions.
5001 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5003 * fold-const.c (build_range_check): Make sure to use a valid type to
5004 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5007 (range_predecessor): New static function.
5008 (range_successor): Likewise.
5009 (merge_ranges): Use them to compute predecessors and successors of
5012 2006-03-09 Roger Sayle <roger@eyesopen.com>
5015 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5016 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5018 2006-03-08 DJ Delorie <dj@redhat.com>
5020 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5021 (addpsi3): Expand to include memory operands. Remove
5022 reload-specific splits.
5023 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5024 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5025 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5026 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5027 (shift1_qi, shift1_hi, insv): New.
5028 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5029 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5030 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5032 * config/m32c/m32c-protos.h: Update as needed.
5033 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5034 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5035 Fail for unrecognized R* constraints.
5036 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5037 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5038 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5040 (m32c_init_libfuncs): New.
5041 (m32c_legitimate_address_p): Add debug wrapper.
5042 (m32c_rtx_costs): New.
5043 (m32c_address_cost): New.
5044 (conversions): Add 'B' prefix.
5045 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5046 operands, or word regnames for QI operands. 'B' prints bit
5048 (m32c_expand_setmemhi): New.
5049 (m32c_expand_movmemhi): New.
5050 (m32c_expand_movstr): New.
5051 (m32c_expand_cmpstr): New.
5052 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5053 (m32c_expand_neg_mulpsi3): Handle non-ints.
5054 (m32c_cmp_flg_0): New.
5055 (m32c_expand_movcc): New.
5056 (m32c_expand_insv): New.
5057 (m32c_scc_pattern): New.
5058 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5059 a0/a1 out of SIregs.
5060 (STORE_FLAG_VALUE): New.
5061 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5064 * config/m32c/mov.md: Make constraints more liberal.
5065 (zero_extendqihi2): Optimize r0/r1 case.
5066 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5067 * config/m32c/predicates.md (m32c_any_operand): New.
5068 (m32c_nonimmediate_operand): New.
5069 (m32c_hl_operand): New.
5070 (m32c_r3_operand): New.
5073 (memsym_operand): New.
5074 (memimmed_operand): New.
5075 (a_qi_operand): New.
5076 (m32c_eqne_operator): New.
5077 (m32c_1bit8_operand): New.
5078 (m32c_1bit16_operand): New.
5079 (m32c_1mask8_operand): New.
5080 (m32c_1mask16_operand): New.
5081 * config/m32c/blkmov.md: New file.
5082 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5084 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5086 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5087 unsigned to fix signed/unsigned comparison issue in
5088 DWARF2_FRAME_REG_OUT.
5089 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5090 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5092 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5093 of ptr into the ENABLE_CHECKING section.
5095 2006-03-08 Jeff Law <law@redhat.com>
5097 * tree-vrp.c (infer_value_range): Only count pointer uses
5098 and dereferences if -fdelete-null-pointer-checks is enabled.
5100 * tree-vrp.c (find_assert_locations): Infer value ranges for
5101 single use pointers, but do not create ASSERT_EXPRs for them.
5102 When a non-null range is inferred for a pointer, backwards
5103 propagate that range to other equivalent pointers through the
5106 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5109 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5110 language hook targets.
5111 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5112 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5113 if language hook targets were missing.
5115 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5117 * tree-ssa-opfinalize.h: Removed.
5118 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5120 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5121 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5122 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5123 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5124 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5125 finalize_ssa_v_must_def_ops): New.
5127 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5129 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5132 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5134 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5136 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5137 addresses with offsets; reorganize.
5139 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5140 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5141 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5143 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5146 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5148 2006-03-08 Ben Elliston <bje@au.ibm.com>
5150 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5152 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5155 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5158 2006-03-07 Richard Guenther <rguenther@suse.de>
5160 PR tree-optimization/26587
5161 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5163 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5165 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5167 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5169 * hooks.c (hook_bool_mode_rtx_true): New function.
5170 * hooks.h (hook_bool_mode_rtx_true): Declare.
5171 * toplev.c (compile_file): Call output_shared_constant_pool.
5172 * varasm.c (shared_constant_pool): New variable.
5173 (assemble_start_function, assemble_end_function): Remove arguments
5174 from call to output_constant_pool.
5175 (create_constant_pool): New function, split out from...
5176 (init_varasm_status): ...here.
5177 (force_const_mem): Choose between the shared and per-function constant
5178 pools. Set current_function_uses_const_pool when reusing old entries
5179 as well as when creating new ones.
5180 (mark_constant): Ignore data argument.
5181 (mark_constants): Remove pool argument.
5182 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5183 to decide whether the function uses a constant pool.
5184 (output_constant_pool_contents): New function, split out from...
5185 (output_constant_pool): ...here.
5186 (output_shared_constant_pool): New function.
5187 (init_varasm_once): Initialize shared_constant_pool.
5188 * output.h (output_constant_pool): Delete.
5189 (output_shared_constant_pool): Declare.
5190 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5191 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5193 2006-03-06 Nick Clifton <nickc@redhat.com>
5195 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5196 flag_strength_reduce.
5198 2006-03-06 Ben Elliston <bje@au.ibm.com>
5200 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5201 x86_64-*-linux* configurations.
5203 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5204 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5206 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5208 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5210 * basic-block.h: Remove the extern for
5211 rediscover_loops_after_threading.
5213 * cfgloop.c (cancel_loop): Make it static.
5214 * cfgloop.h: Remove the prototype for cancel_loop.
5216 * flow.c (recompute_reg_usage): Make it static.
5217 * rtl.h: Remove the prototype for recompute_reg_usage.
5219 * function.c (use_return_register): Make it static.
5220 * function.h: Remove the prototype.
5222 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5224 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5226 * recog.h: Remove the prototype for
5227 validate_change_maybe_volatile.
5229 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5231 * rtlanal.c (replace_reg): Remove.
5232 * rtl.h: Remove the prototype for replace_reg.
5234 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5236 * regclass.c (reg_scan_update): Remove.
5237 (reg_scan_mark_refs): Remove the last argument.
5238 * rtl.h: Remove the prototype for reg_scan_update.
5240 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5242 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5243 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5244 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5245 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5246 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5247 loop-invariant.c, omp-low.c, opts.c, passes.c,
5248 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5249 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5250 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5251 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5252 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5253 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5257 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5258 * dwarf2out.h: Remove the prototype for
5259 dwarf2out_add_library_unit_info.
5261 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5263 * tree.c (add_var_to_bind_expr): Remove.
5264 * tree.h: Remove the prototype for add_var_to_bind_expr.
5266 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5268 * regclass.c (n_non_fixed_regs): Remove.
5269 (init_reg_sets_1, globalize_reg): Remove all uses of
5271 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5273 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5275 * rtlanal.c (insns_safe_to_move_p): Remove.
5276 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5278 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5280 * expmed.c (expand_mult_add): Remove.
5281 * expr.h: Remove the prototype for expand_mult_add.
5283 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5285 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5286 and REG_SAVED_VAL_EXP constants.
5287 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5288 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5289 Handle regs stored by value.
5290 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5291 (execute_cfa_program): Handle DW_CFA_val_offset,
5292 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5293 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5294 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5295 (uw_install_context_1): Handle target regs stored by value.
5297 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5299 * tree-sra.c (tree_sra): Return todoflags;
5300 (generate_one_element): Set TODO_update_smt_usage if needed.
5301 (pass_sra): Remove TODO_update_smt_usage.
5302 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5304 (tree_ssa_forward_propagate_single_use_vars): Return
5305 TODO_update_smt_usage if we need to update SMT usage.
5306 (pass_forwprop): Remove TODO_update_smt_usage.
5308 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5310 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5311 (correct_use_link): Remove reference to get_stmt_operands.
5312 (update_stmt_operands): Likewise.
5313 (get_modify_expr_operands): New function factored out of
5314 parse_ssa_operands and get_expr_operands.
5315 Try to create V_MUST_DEFs for LHS by default.
5316 (get_expr_operands) <case MODIFY_EXPR>: Call
5317 get_modify_expr_operands.
5318 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5319 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5320 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5321 get_modify_expr_operands.
5323 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5325 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5326 * tree-flow.h: Remove the prototype for
5327 referenced_var_lookup_if_exists.
5329 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5331 PR rtl-optimization/26345
5333 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5335 2006-03-03 Roger Sayle <roger@eyesopen.com>
5337 PR tree-optimization/26524
5338 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5339 fold_convert to create a constant of the appropriate type.
5341 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5343 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5344 SYMBOL_REF_IN_BLOCK_P.
5345 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5346 of SYMBOL_FLAG_IN_BLOCK.
5347 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5348 instead of SYMBOL_REF_IN_BLOCK_P.
5349 * explow.c (use_anchored_address): Likewise.
5350 * rtl.c (rtx_size): Likewise.
5351 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5352 instead of SYMBOL_FLAG_IN_BLOCK.
5353 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5354 SYMBOL_REF_IN_BLOCK_P.
5355 (assemble_variable): Likewise.
5356 (output_constant_def_contents): Likewise.
5357 (output_constant_pool): Likewise.
5358 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5359 instead of SYMBOL_FLAG_IN_BLOCK.
5360 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5361 SYMBOL_REF_IN_BLOCK_P.
5362 (SYMBOL_REF_BLOCK): Likewise.
5363 (SYMBOL_REF_OFFSET): Likewise.
5364 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5365 SYMBOL_REF_IN_BLOCK_P.
5366 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5367 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5368 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5369 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5371 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5373 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5375 2006-03-02 Roger Sayle <roger@eyesopen.com>
5377 * simplify-rtx.c (simplify_unary_operation): When simplifying
5378 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5379 that we perform the right shift in the appropriate mode, and
5380 then extend or truncate the result to requested mode.
5382 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5384 * gengtype.c (main): Handle double_int type.
5385 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5386 * double-int.c: New file.
5387 * double-int.h: New file.
5388 * system.h: Include doubleint.h.
5389 * Makefile.in (SYSTEM_H): Include double-int.h.
5390 (double-int.o): Add.
5392 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5395 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5398 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5400 * tree-vrp.c (remove_range_assertions): Do not update statements
5403 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5405 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5407 * gcse.c (rest_of_handle_gcse): Ditto.
5408 * except.c (gate_handle_eh): Ditto.
5409 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5410 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5412 2006-03-02 Eric Christopher <echristo@apple.com>
5414 * config/i386/i386.c (machopic_output_stub): Add indirection to
5417 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5421 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5423 Sun Niagara specific optimizations.
5424 * config.gcc: Recognize niagara as target.
5425 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5426 (TARGET_CPU_niagara): Define.
5427 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5428 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5429 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5430 (ASM_CPU_SPEC): Likewise.
5431 (PROCESSOR_NIAGARA): New enum entry.
5432 (REGISTER_MOVE_COST): Handle Niagara.
5433 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5434 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5435 (sparc_override_options): Recognize "niagara", set appropriate
5436 default MASK_* values for it, and align functions to 32-bytes
5437 by default just like ULTRASPARC/ULTRASPARC3.
5438 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5439 (sparc64_initialize_trampoline): Likewise.
5440 (sparc_use_sched_lookahead): Use zero for niagara.
5441 (sparc_issue_rate): Use one for niagara.
5442 * config/sparc/niagara.md: New file.
5443 * config/sparc/sparc.md: Include it.
5444 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5445 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5446 when default cpu is niagara.
5447 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5448 (ASM_CPU_SPEC): Likewise.
5449 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5450 when default cpu is niagara.
5451 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5452 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5453 just like v9/ultrasparc/ultrasparc3.
5454 * doc/invoke.texi: Add documentation for "niagara" and improve
5455 existing documentation for ultrasparc variants.
5457 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5459 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5461 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5463 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5464 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5465 and say that only one is needed.
5466 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5467 * target.h (have_switchable_bss_sections): New hook.
5468 * explow.c (use_anchored_address): Check that the symbol is in a block.
5469 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5470 (bss_noswitch_section): New variables.
5471 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5472 (get_noswitch_section): New function.
5473 (get_block_for_section): Allow SECT to be null.
5474 (unlikely_text_section_p): Use SECTION_STYLE.
5475 (bss_initializer_p): New function.
5476 (get_variable_section): Move earlier in file. Take a new argument,
5477 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5478 Return one of the new *_sections in such cases.
5479 (get_block_for_decl): New function, extracting some logic from
5480 use_blocks_for_decl_p.
5481 (change_symbol_section): Remove in favor of...
5482 (change_symbol_block): ...this new function.
5483 (use_blocks_for_decl_p): Remove checks now performed by
5485 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5486 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5487 (emit_local, emit_bss, emit_common): ...these new functions.
5488 Return true if the alignment was honored.
5489 (emit_tls_common): New function.
5490 (asm_emit_uninitialised): Delete.
5491 (assemble_variable_noswitch): New function, split out from...
5492 (assemble_variable): ...here. Don't make decisions about common
5493 variables here. Globalize all public decls that go into non-common
5494 sections. Check whether SYMBOL_REF_BLOCK is null.
5495 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5496 (output_constant_pool): Likewise.
5497 (init_varasm_once): Initialize the new section variables.
5498 (have_global_bss_p): New function.
5499 (categorize_decl_for_section): Use bss_initializer_p.
5500 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5501 (place_block_symbol): Assert that the symbol must be in a block.
5502 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5503 (TARGET_INITIALIZER): Include it.
5504 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5505 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5506 (SECTION_MACH_DEP): Bump by two.
5507 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5508 (unnamed_section): Mention SECTION_UNNAMED in comment.
5509 (named_section): Likewise SECTION_NAMED.
5510 (noswitch_section_callback): New type.
5511 (noswitch_section): New structure.
5512 (section): Add a noswitch_section alternative.
5513 (SECTION_STYLE): New macro.
5514 (tls_comm_section, comm_section, lcomm_section): Declare.
5515 (bss_noswitch_section, have_global_bss_p): Declare.
5516 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5517 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5519 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5520 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5523 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5525 * tree-vrp.c (execute_vrp): Return value.
5526 * regrename.c (rest_of_handle_regrename): Ditto.
5527 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5528 * tree-complex.c (tree_lower_complex): Ditto.
5529 (tree_lower_complex_O0): Ditto.
5530 * tracer.c (rest_of_handle_tracer): Ditto.
5531 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5532 * postreload.c (rest_of_handle_postreload): Ditto.
5533 * tree-tailcall.c (execute_tail_recursion): Ditto.
5534 (execute_tail_calls): Ditto.
5535 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5536 * tree.h (init_function_for_compilation): Ditto.
5537 * ipa-cp.c (ipcp_driver): Ditto.
5538 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5539 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5540 * final.c (compute_alignments): Ditto.
5541 (rest_of_handle_final): Ditto.
5542 (rest_of_handle_shorten_branches): Ditto.
5543 (rest_of_clean_state): Ditto.
5544 * omp-low.c (execute_expand_omp): Ditto.
5545 (execute_lower_omp): Ditto.
5546 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5547 * ipa-reference.c (static_execute): Ditto.
5548 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5549 * reorg.c (rest_of_handle_delay_slots): Ditto.
5550 (rest_of_handle_machine_reorg): Ditto.
5551 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5552 * flow.c (recompute_reg_usage): Ditto.
5553 (rest_of_handle_remove_death_notes): Ditto.
5554 (rest_of_handle_life): Ditto.
5555 (rest_of_handle_flow2): Ditto.
5556 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5557 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5558 (do_ssa_store_ccp): Ditto.
5559 (execute_fold_all_builtins): Ditto.
5560 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5561 * modulo-sched.c (rest_of_handle_sms): Ditto.
5562 * ipa-pure-const.c (static_execute): Ditto.
5563 * cse.c (rest_of_handle_cse): Ditto.
5564 (rest_of_handle_cse2): Ditto.
5565 * web.c (rest_of_handle_web): Ditto.
5566 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5567 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5568 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5569 * tree-nrv.c (tree_nrv): Ditto.
5570 (execute_return_slot_opt): Ditto.
5571 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5572 (create_structure_vars): Ditto.
5573 * loop-init.c (rtl_loop_init): Ditto.
5574 (rtl_loop_done): Ditto.
5575 (rtl_move_loop_invariants): Ditto.
5576 (rtl_unswitch): Ditto.
5577 (rtl_unroll_and_peel_loops): Ditto.
5578 (rtl_doloop): Ditto.
5579 * gimple-low.c (lower_function_body): Ditto.
5580 (mark_used_blocks): Ditto.
5581 * tree-ssa-sink.c (execute_sink_code): Ditto.
5582 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5583 (cgraph_early_inlining): Ditto.
5584 * global.c (rest_of_handle_global_alloc): Ditto.
5585 * jump.c (cleanup_barriers): Ditto.
5586 (purge_line_number_notes): Ditto.
5587 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5588 (rest_of_handle_if_after_reload): Ditto.
5589 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5590 (tree_ssa_loop_im): Ditto.
5591 (tree_ssa_loop_unswitch): Ditto.
5592 (tree_vectorize): Ditto.
5593 (tree_linear_transform): Ditto.
5594 (tree_ssa_loop_ivcanon): Ditto.
5595 (tree_ssa_empty_loop): Ditto.
5596 (tree_ssa_loop_bounds): Ditto.
5597 (tree_complete_unroll): Ditto.
5598 (tree_ssa_loop_prefetch): Ditto.
5599 (tree_ssa_loop_ivopts): Ditto.
5600 (tree_ssa_loop_done): Ditto.
5601 * predict.c (tree_estimate_probability): Ditto.
5602 * recog.c (split_all_insns_noflow): Ditto.
5603 (rest_of_handle_peephole2): Ditto.
5604 (rest_of_handle_split_all_insns): Ditto.
5605 * tree-eh.c (lower_eh_constructs): Ditto.
5606 * regmove.c (rest_of_handle_regmove): Ditto.
5607 (rest_of_handle_stack_adjustments): Ditto.
5608 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5609 * function.c (instantiate_virtual_regs): Ditto.
5610 (init_function_for_compilation): Ditto.
5611 (rest_of_handle_check_leaf_regs): Ditto.
5612 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5613 (rest_of_handle_gcse): Ditto.
5614 * ipa-type-escape.c (type_escape_execute): Ditto.
5615 * alias.c (rest_of_handle_cfg): Ditto.
5616 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5617 * profile.c (rest_of_handle_branch_prob): Ditto.
5618 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5619 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5620 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5621 * tree-dfa.c (find_referenced_vars): Ditto.
5622 * except.c (set_nothrow_function_flags): Ditto.
5623 (convert_to_eh_region_ranges): Ditto.
5624 (rest_of_handle_eh): Ditto.
5625 * emit-rtl.c (unshare_all_rtl): Ditto.
5626 (remove_unnecessary_notes): Ditto.
5627 * except.h (set_nothrow_function_flags): Ditto.
5628 (convert_to_eh_region_ranges): Ditto.
5629 * cfgexpand.c (tree_expand_cfg): Ditto.
5630 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5631 * tree-ssa-pre.c (do_pre): Ditto.
5632 (execute_fre): Ditto.
5633 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5634 (rest_of_handle_jump2): Ditto.
5635 * tree-sra.c (tree_sra): Ditto.
5636 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5637 (execute_mudflap_function_decls): Ditto.
5638 * tree-ssa-copy.c (do_copy_prop): Ditto.
5639 (do_store_copy_prop): Ditto.
5640 * ipa-prop.h (ipcp_driver): Ditto.
5641 * cfglayout.c (insn_locators_initialize): Ditto.
5642 * tree-ssa-forwprop.c
5643 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5644 * cfglayout.h (insn_locators_initialize): Ditto.
5645 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5646 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5647 (execute_late_warn_uninitialized): Ditto.
5648 * rtl.h (cleanup_barriers): Ditto.
5649 (split_all_insns_noflow): Ditto.
5650 (purge_line_number_notes): Ditto.
5651 (unshare_all_rtl): Ditto.
5652 (remove_unnecessary_notes): Ditto.
5653 (recompute_reg_usage): Ditto.
5654 (variable_tracking_main): Ditto.
5655 * integrate.c (emit_initial_value_sets): Ditto.
5656 * integrate.h (emit_initial_value_sets): Ditto.
5657 * tree-optimize.c (execute_free_datastructures): Ditto
5658 (execute_free_cfg_annotations): Ditto.
5659 (execute_fixup_cfg): Ditto.
5660 (execute_cleanup_cfg_pre_ipa): Ditto.
5661 (execute_cleanup_cfg_post_optimizing): Ditto.
5662 (execute_init_datastructures): Ditto.
5663 * tree-object-size.c (compute_object_sizes): Ditto.
5664 * combine.c (rest_of_handle_combine): Ditto.
5665 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5666 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5667 (rest_of_handle_reorder_blocks): Ditto.
5668 (rest_of_handle_partition_blocks): Ditto.
5669 * var-tracking.c (variable_tracking_main): Ditto.
5670 * tree-profile.c (tree_profiling): Ditto.
5671 * tree-vect-generic.c (expand_vector_operations): Ditto.
5672 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5673 * sched-rgn.c (rest_of_handle_sched): Ditto.
5674 (rest_of_handle_sched2): Ditto.
5675 * basic-block.h (free_bb_insn): Ditto.
5676 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5677 * tree-cfg.c (execute_build_cfg): Ditto.
5678 (remove_useless_stmts): Ditto.
5679 (split_critical_edges): Ditto.
5680 (execute_warn_function_return): Ditto.
5681 (execute_warn_function_noreturn): Ditto.
5682 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5683 * cfgrtl.c (free_bb_for_insn): Ditto.
5684 * passes.c (execute_one_pass): Run additional
5685 todos returned by execute function.
5686 * tree-pass.h (struct tree_opt_pass): Make execute
5689 2006-03-02 Richard Guenther <rguenther@suse.de>
5691 * tree-ssa-alias.c (find_used_portions): Consider taking
5692 the address as making the variable not write-only.
5694 2006-03-02 Nick Clifton <nickc@redhat.com>
5696 * config.gcc (default_use_cxa_atexit): Extend the description of
5697 this configure variable. Set its default value to "yes" for
5698 Linux, NetBSD and ELF targets on the assumption that they will
5699 use C libraries with the __cxa_atexit function.
5701 2006-03-02 Ben Elliston <bje@au.ibm.com>
5703 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5704 parameter as unused to suppress a build warning.
5706 2006-03-02 Ben Elliston <bje@au.ibm.com>
5708 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5711 2006-03-01 Roger Sayle <roger@eyesopen.com>
5714 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5715 declared name, the weak reference name, and the typeof name.
5716 (__gthrw): Avoid expanding the declared name suffix.
5717 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5719 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5721 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5723 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5724 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5725 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5726 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5727 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5728 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5729 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5730 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5731 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5732 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5733 (DW_END_default, DW_END_big, DW_END_little): New.
5734 (DW_END_lo_user, DW_END_hi_user): Define.
5735 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5736 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5737 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5740 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5742 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5744 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5746 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5748 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5750 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5751 to 'symbol_mem_tag'.
5753 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5756 2006-03-01 Roger Sayle <roger@eyesopen.com>
5758 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5760 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5763 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5764 MACHO_DYNAMIC_NO_PIC_P.
5765 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5767 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5770 * config/darwin-protos.h (darwin_asm_output_anchor):
5772 * config/darwin-sections.def (cstring_section):
5773 Add SECTION_MERGE to the flags.
5774 (literal4_section): Likewise.
5775 (literal8_section): Likewise.
5776 (objc_selector_refs_section): Likewise.
5777 (objc_cls_refs_section): Likewise.
5778 * config/darwin.c (darwin_asm_output_anchor): New
5780 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5782 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5784 Fix PR tree-optimization/26443
5785 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5786 to todo and PROP_tmt_usage to properties_destroyed.
5787 * tree-ssa-ccp.c (pass_ccp): Ditto.
5788 (pass_store_ccp): Ditto.
5789 * tree-ssa-dom.c (pass_dominator): Ditto.
5791 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5793 * tree-ssa-operands.c: Cleanup whitespace.
5794 (get_asm_expr_operands): Move before first invocation.
5795 (get_indirect_ref_operands): Likewise.
5796 (get_tmr_operands): Likewise.
5797 (get_call_expr_operands): Likewise.
5798 (append_def): Likewise.
5799 (append_use): Likewise.
5800 (append_v_may_def): Likewise.
5801 (append_v_must_def): Likewise.
5802 (add_call_clobber_ops): Likewise.
5803 (add_call_read_ops): Likewise.
5804 (add_stmt_operand): Likewise.
5805 (add_virtual_operand): Likewise.
5806 (build_ssa_operands): Likewise.
5808 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5813 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5814 with a call expr to ...
5815 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5817 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5819 * tree-vrp.c (extract_range_from_assert): Remove special
5820 handling for types with super-types.
5822 2006-03-01 Ben Elliston <bje@au.ibm.com>
5824 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5825 and powerpc64-*-linux* configurations.
5826 * config/t-dfprules: New file.
5828 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5829 Compile dfp-bit.c from the source directory using -DWIDTH and
5830 $DFP_CFLAGS to control the compilation of that file, rather than
5831 generating width-specific versions in the build directory.
5832 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5833 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5835 2006-02-28 Zack Weinberg <zackw@panix.com>
5837 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5840 2006-02-28 Eric Christopher <echristo@apple.com>
5842 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5843 Set up IN_LIBGCC definition of TARGET_64BIT.
5844 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5846 2006-02-28 Roger Sayle <roger@eyesopen.com>
5849 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5850 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5851 cases via the construction of "expr != 0".
5853 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5855 * alias.c (alias_invariant, alias_invariant_size): Remove.
5856 (record_base_value): Remove.
5857 (memrefs_conflict_p): Don't look at alias_invariant.
5858 (end_alias_analysis): Don't free it.
5859 * alias.h (record_base_value): Remove prototype.
5861 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5862 Adam Nemet <anemet@caviumnetworks.com>
5864 * rtl.h (truncated_to_mode): Declare it.
5865 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5866 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5867 (RTL_HOOKS_INITIALIZER): Include it.
5868 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5869 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5870 reg_truncated_to_mode.
5871 * rtlanal.c (truncated_to_mode): Define it.
5872 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5874 2006-02-28 Jeff Law <law@redhat.com>
5876 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5877 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5878 the range allowed by TYPE_PRECISION.
5880 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5882 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5884 PR tree-optimization/26419
5885 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5888 2006-02-27 Zack Weinberg <zackw@panix.com>
5890 * doc/md.texi: Fix typo in previous change.
5892 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5896 2006-02-27 Zack Weinberg <zackw@panix.com>
5898 * rtl.def (define_constraint, define_register_constraint)
5899 (define_memory_constraint, define_address_constraint): New MD forms.
5900 * gensupport.c (process_rtx): Put define_constraint etc on the
5902 * genpreds.c (process_define_predicate): Adjust comment. Validate
5903 the name, and call validate_exp to validate the expression.
5904 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5905 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5906 all callers changed.
5907 (validate_exp, needs_variable, struct constraint_data)
5908 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5909 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5910 (const_dbl_constraints, constraint_max_namelen)
5911 (have_register_constraints, have_memory_constraints)
5912 (have_address_constraints, have_address_constraints)
5913 (have_extra_constraints, have_const_int_constraints)
5914 (have_const_dbl_constraints, mangle, add_constraint)
5915 (process_define_constraint, process_define_register_constraint)
5916 (write_enum_constraint_num, write_lookup_constraint)
5917 (write_insn_constraint_len, write_regclass_for_constraint)
5918 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5919 (write_insn_extra_memory_constraint)
5920 (write_insn_extra_address_constraint)
5921 (write_satisfies_constraint_fns): New.
5922 (write_tm_preds_h): If we have new-style constraint definitions,
5923 prototype the functions generated from them, and define the
5924 old constraint interface (still used by generic code) in terms of
5926 (write_insn_preds_c): If we have new-style constraint definitions,
5927 generate all relevant functions from those definitions.
5928 (main): Handle define_constraint etc.
5929 * genoutput.c (struct constraint_data, indep_constraints)
5930 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5931 (mdep_constraint_len): New data structures and functions, defined
5932 #ifdef USE_MD_CONSTRAINTS.
5933 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5934 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5935 use new logic to validate operand constraints against constraint
5937 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5939 * defaults.h: If none of the old-style constraint macros are
5940 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5941 old-style macros; and poison REG_CLASS_FROM_LETTER,
5942 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5944 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5945 * doc/md.texi: Document new constraint-definition mechanism and the
5946 C interface it provides. Remove references to old mechanism
5947 elsewhere in the document.
5948 (Machine Constraints): Use pathnames relative to gcc directory,
5949 i.e. config/ARCH/FILE. Change i386 section to refer to
5950 config/i386/predicates.md; update that section to match docstrings.
5951 * doc/tm.texi: Move all documentation of the old constraint-
5952 definition macros to their own section, clearly mark as obsolete.
5954 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5955 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5957 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5958 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5959 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5961 (splits and peepholes): Use satisfies_constraint_*.
5962 * config/i386/i386.c (memory_address_length)
5963 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5965 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5967 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5968 scalar operation to be put back into the loop.
5970 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5973 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5974 (extract_cie_info): Handle S flag in augmentation string.
5975 (execute_cfa_program): If context->signal_frame, execute also
5976 fs->pc == context->ra instructions.
5977 (uw_frame_state_for): If context->signal_frame, don't subtract one
5978 from context->ra to find FDE.
5979 (uw_update_context_1): Set context->signal_frame to
5981 (_Unwind_GetIPInfo): New function.
5982 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5983 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5985 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5986 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5987 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5988 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5989 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5990 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5991 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5992 x86_64_fallback_frame_state): Set fs->signal_frame.
5993 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5994 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5995 (frob_update_context): Likewise. Workaround missing S flag in
5996 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5997 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5998 Remove the psw_addr + 1 hack.
6000 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6002 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6003 with aggregates here.
6004 (find_func_aliases): Remove code for &<aggregate> from here.
6006 2006-02-26 Roger Sayle <roger@eyesopen.com>
6008 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6009 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6010 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6013 2006-02-26 Roger Sayle <roger@eyesopen.com>
6016 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6018 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6020 * opts.c (decode_options): Do not handle flag_strength_reduce.
6021 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6022 and OPT_fstrength_reduce.
6023 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6024 flag_prefetch_loop_arrays for being nonzero.
6025 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6027 (fprefetch-loop-arrays-rtl): Removed.
6028 (flag_prefetch_loop_arrays): Do not specify the value.
6030 * doc/passes.texi: Update documentation of loop optimizer
6032 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6033 -frerun-loop-opt): Remove.
6035 2006-02-26 Richard Guenther <rguenther@suse.de>
6037 PR tree-optimization/26421
6038 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6039 in function calls that are ADDR_EXPRs as using the whole structure.
6041 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6043 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6044 * tree-pass.h (pass_loop_optimize): Remove.
6045 * passes.c (pass_loop_optimize): Never run it.
6046 * toplev.c (backend_init): Don't call init_loop.
6047 * opts.c (flag_loop_optimize_set): Remove.
6048 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6049 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6050 the old RTL loop optimizer when profiling enabled.
6051 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6052 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6053 pre-headers for the sake of the old RTL loop optimizer.
6054 * Makefile.in: Remove all references to loop.o.
6056 * doc/invoke.texi: Remove all references to -floop-optimize
6057 and -frerun-loop-opt.
6059 2006-02-26 Zack Weinberg <zackw@panix.com>
6061 * doc/md.texi (Machine Constraints): Refer to all files with paths
6062 relative to gcc directory (i.e. config/CPU/file). Add missing
6063 @table @code ... @end table to M32C subsection.
6065 2006-02-26 Roger Sayle <roger@eyesopen.com>
6067 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6069 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6071 2006-02-26 Roger Sayle <roger@eyesopen.com>
6072 James A. Morrison <phython@gcc.gnu.org>
6075 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6076 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6077 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6078 signedness of the shift operation.
6080 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6082 PR tree-optimization/26359
6083 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6085 2006-02-25 Roger Sayle <roger@eyesopen.com>
6087 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6088 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6089 as X == 0, and some symmetry related transformations.
6090 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6092 2006-02-25 Roger Sayle <roger@eyesopen.com>
6095 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6096 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6097 symmetry related transformations. Fold (X^C1) == C2 as
6100 2006-02-25 Juergen Weigert <jw@suse.de>
6101 Richard Guenther <rguenther@suse.de>
6103 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6105 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6107 * combine.c (gen_lowpart_or_truncate): Call
6108 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6110 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6112 * doc/invoke.texi: Move -fopenmp description to "Options for
6114 Remove reference to -lgomp.
6116 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6118 * doc/install.texi: Require GNU tar version 1.14.
6120 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6122 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6123 * doc/invoke.texi (C++ Dialect Options): Document
6124 -fno-use-cxa-get-exception-ptr.
6125 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6126 * configure: Regenerate.
6127 * c.opt (fuse-cxa-get-exception-ptr): New.
6128 * c-opts.c (c_common_handle_option): Handle
6129 OPT_fuse_cxa_get_exception_ptr.
6130 * c-common.c (flag_use_cxa_atexit): Update documentation.
6131 (flag_use_cxa_get_exception_ptr): New.
6132 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6133 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6135 (C_COMMON_OVERRIDE_OPTIONS): New.
6137 2006-02-24 Roger Sayle <roger@eyesopen.com>
6140 * combine.c (try_combine): Explicitly check whether GET_CODE is
6141 a SET or a CLOBBER, instead on checking that it isn't a USE.
6143 2006-02-24 Roger Sayle <roger@eyesopen.com>
6145 * fold-const.c (fold_comparison): New subroutine of fold_binary
6146 containing transformations common to both the equality and
6147 ordering relational operators, factored out of fold_binary.
6148 (fold_binary): Separate out the equality operators (EQ_EXPR
6149 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6150 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6151 transformations common to both.
6152 (fold_div_compare): Fix latent bugs in the previously unreachable
6153 LT_EXPR and GE_EXPR cases.
6155 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6157 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6158 decl libname for clog to __clog on AIX.
6160 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6162 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6165 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6166 output traceback table for thunks. Localise rs6000_stack_info call.
6168 2006-02-23 Roger Sayle <roger@eyesopen.com>
6169 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6171 * gthr-posix.h (__gthrw): Fix typo in comment.
6173 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6175 * doc/cpp.texi (Character sets): Document that we do support
6176 input files to be in any character set.
6178 2006-02-23 Jeff Law <law@redhat.com>
6180 * tree.h (PHI_ARG_NONZERO): Remove.
6181 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6182 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6183 node to the new node.
6185 PR tree-optimization/26425
6186 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6187 min/max, then assume its varying.
6189 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6191 PR rtl-optimization/26316
6192 * rtlanal.c (enum may_trap_p_flags): New.
6193 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6194 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6195 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6196 (may_trap_after_code_motion_p): New function.
6197 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6198 (find_invariant_insn): Use may_trap_after_code_motion_p.
6199 * rtl.h (may_trap_after_code_motion_p): Declare.
6201 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6203 * emit-rtl.c (immed_double_const): Cleanup.
6205 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6207 Fix PR tree-optimization/26376
6208 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6211 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6214 * gimplify.c (omp_add_variable): Guard variable size decl test with
6215 DECL_SIZE (decl) check.
6217 2006-02-23 Richard Guenther <rguenther@suse.de>
6220 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6221 like aggregate types.
6223 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6225 * configure.ac: Add --with{,out}-long-double-128 configure option.
6226 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6227 * configure: Rebuilt.
6228 * config.in: Rebuilt.
6229 * doc/install.texi (Options specification): Document
6230 --with-long-double-128.
6232 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6233 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6234 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6235 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6237 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6239 * config/s390/s390.c (override_options): Handle
6240 TARGET_DEFAULT_LONG_DOUBLE_128.
6242 * config/alpha/alpha.c (override_options): Handle
6243 TARGET_DEFAULT_LONG_DOUBLE_128.
6245 * config/sparc/sparc.c (sparc_override_options): Handle
6246 TARGET_DEFAULT_LONG_DOUBLE_128.
6248 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6250 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6251 (real-install-headers-tar, real-install-headers-cpio)
6252 (real-install-headers-cp): New targets.
6254 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6256 * tree.h (variable_section): Delete.
6257 * varasm.c (variable_section): Delete.
6259 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6261 * install.texi: Add notes on install.texi2html.
6262 (Building in parallel): Do not use footnotes.
6264 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6267 * doc/install.texi (Configuration): Document --disable-libgomp.
6269 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6271 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6273 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6275 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6276 (vec_extractv2df_0_sse): New.
6278 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6280 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6281 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6282 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6283 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6284 to the result of the expression.
6285 (def_cfa_1): Adjust.
6286 (frame_pointer_cfa_offset): Rename to...
6287 (frame_pointer_fb_offset): ... this. Adjust all uses.
6288 (convert_cfa_to_loc_list): Rename to...
6289 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6290 Pass it on to build_cfa_loc.
6291 (compute_frame_pointer_to_cfa_displacement): Rename to...
6292 (compute_frame_pointer_to_fb_displacement): ... this. New
6293 offset parameter. Use it in computation.
6294 (gen_subprogram_die): Compute cfa_fb_offset with the new
6295 macro, and use it to compute the fb loc list and the
6298 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6300 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6301 replaced with register_operand.
6302 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6303 non-DREG is expensive.
6304 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6305 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6308 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6310 * doc/install.texi2html: Use set -e.
6312 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6314 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6315 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6316 * doc/invoke.texi (-fshared-data): Delete.
6317 * common.opt (fshared-data): Delete.
6318 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6319 (assemble_static_space): Remove #if 0 code.
6320 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6321 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6322 * config/cris/cris.h: Remove FIXME.
6324 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6326 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6329 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6332 * combine.c (simplify_shift_const_1): Disable nested shifts
6333 optimization for vector shifts.
6335 2006-02-20 Roger Sayle <roger@eyesopen.com>
6337 PR tree-optimization/26361
6338 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6339 of unsigned integer types.
6341 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6343 * tree-chrec.c (eq_evolutions_p): New.
6344 * tree-chrec.h (eq_evolutions_p): Declared.
6345 * tree-data-ref.c: Fix formatting.
6346 (datadep_stats, dependence_stats): New.
6348 (print_direction_vector): New.
6349 (dump_data_dependence_relation): Use print_direction_vector.
6350 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6351 (compute_subscript_distance): Static.
6352 (initialize_data_dependence_relation): Static. Get the number
6353 of loops surrounding the references from the callers, and initialize
6354 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6355 base_object_differ_p analyzers.
6356 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6357 compute_overlap_steps_for_affine_1_2,
6358 analyze_subscript_affine_affine): Count the classified dependences.
6359 Print a message when a test failed.
6360 (can_use_analyze_subscript_affine_affine): New.
6361 (analyze_siv_subscript): Compute the data dependences on symbolic
6362 scevs that verify can_use_analyze_subscript_affine_affine.
6363 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6364 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6365 Handle symbolic scevs.
6366 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6368 (subscript_dependence_tester): Moved...
6369 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6370 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6371 DDR_SIZE_VECT instead of getting it in parameter.
6372 (subscript_dependence_tester): ... here. Take as a parameter
6373 loop_nest_depth. Call build_classic_dist_vector and
6374 build_classic_dir_vector.
6375 (compute_affine_dependence): Update subscript_dependence_tester
6376 parameters. Update datadep_stats counters. Call
6377 compute_subscript_distance.
6378 (compute_self_dependence): Save the dist and dir vectors. Call
6379 compute_subscript_distance.
6380 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6381 (compute_all_dependences): Reorder parameters as they were before
6382 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6383 compute_subscript_distance. Update the use of
6384 compute_affine_dependence and initialize_data_dependence_relation.
6385 (find_data_references_in_loop): Handle COMPONENT_REF.
6386 (compute_data_dependences_for_loop): Initialize dependence_stats.
6387 Don't call build_classic_dist_vector and build_classic_dir_vector.
6388 Update the parameters of initialize_data_dependence_relation and
6389 compute_all_dependences. Print the statistics from datadep_stats.
6390 (analyze_all_data_dependences): Static. Not used until the pass for
6391 checking the data dependences is contributed.
6392 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6393 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6394 (initialize_data_dependence_relation, compute_affine_dependence,
6395 analyze_all_data_dependences, compute_subscript_distance): Removed.
6396 (print_direction_vector): New.
6397 * lambda.h (gcd): ... here.
6398 (lambda_vector_gcd): Moved here from gcd_vector.
6399 * lambda-code.c (gcd, gcd_vector): Removed.
6400 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6401 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6403 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6405 * ipa-type-escape.c: Tidy some comments and white space.
6406 * tree-ssa-operands.c: Likewise.
6408 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6411 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6412 (dump_decl_name): Do not walk the decl tree chains.
6413 * tree-pass.h (TDF_CHAIN): Remove.
6415 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6417 * Makefile.in (C): Remove
6419 (.PHONY): Remove C and PROTO
6421 2006-02-20 Roger Sayle <roger@eyesopen.com>
6424 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6425 deprecated CHAR_TYPE tree code.
6427 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6429 * configure.ac (target_list): Add install-info, dvi, html.
6430 * configure: Regenerate.
6432 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6433 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6434 treelang/Make-lang.in: Do not use double-colon rules.
6436 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6438 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6439 (TMT_USED_ALONE): New macro.
6440 * tree-pass.h (PROP_tmt_usage): New property.
6441 (TODO_update_tmt_usage): New todo.
6442 * tree-ssa-alias.c (updating_used_alone): New variable.
6443 (recalculate_used_alone): New function.
6444 (compute_may_aliases): Set updating_used_alone, call
6445 recalculate_used_alone.
6446 * tree-sra.c (pass_sra): Note that this pass destroys
6447 PROP_tmt_usage, and add TODO_update_tmt_usage.
6448 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6449 * tree-flow.h (updating_used_alone): Prototype.
6450 (recalculate_used_alone): Ditto.
6451 * passes.c (execute_todo): Add code to set updating_used_alone,
6452 and call recalculate.
6453 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6454 for clobber if used alone, and add assert to verify used_alone
6457 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6459 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6460 for non tls symbols added.
6461 (legitimize_address): Do nothing for PLUS expressions if one of the
6462 addends is a tls symbol reference.
6464 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6468 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6470 * Makefile.in (BOOTSTRAPPING): New.
6471 (quickstrap): New definition if BOOTSTRAPPING=yes.
6473 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6474 * configure.ac: Substitute all_selected_languages with the languages
6475 that were configured. For all the other variables except
6476 lang_specs_files, include all the languages in the tree.
6477 * configure: Regenerate.
6479 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6480 if there is one. Run the commands to run fixincludes in the same
6483 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6484 * doc/install.texi: Document exact conventions for searching target tools.
6485 Document --with-build-time-tools. Document toplevel bootstrap. Document
6486 something more about building an Ada cross-compiler. Don't list GNU Make
6487 requirements which affect all platforms.
6489 2006-02-19 Roger Sayle <roger@eyesopen.com>
6492 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6493 only equivalent if the have both the same mode and precision.
6495 2006-02-20 Ben Elliston <bje@au.ibm.com>
6497 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6499 2006-02-19 Roger Sayle <roger@eyesopen.com>
6500 Steven Bosscher <stevenb.gcc@gmail.com>
6502 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6503 constant pool references to identify stack mode constants.
6504 * rtlanal.c (constant_pool_constant_p): New predicate to check
6505 whether operand is a floating point constant in the pool.
6506 * rtl.h (constant_pool_constant_p): Prototype here.
6507 * loop.c (scan_loop): Avoid hoisting constants from the constant
6508 pool on STACK_REGS targets.
6509 (load_mems): Likewise.
6510 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6511 loads into x87 registers expensive in terms of register pressure.
6513 2006-02-19 Roger Sayle <roger@eyesopen.com>
6515 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6516 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6518 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6520 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6521 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6523 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6525 * doc/invoke.texi: Document -fipa-pta.
6526 * common.opt: Add ipa-pta option.
6527 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6528 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6529 (do_ds_constraint): Ditto.
6530 (get_constraint_for): Only add to referenced_vars if
6531 referenced_vars exists.
6532 (insert_into_field_list): Rewrite to do this unsorted.
6533 (insert_into_field_list_sorted): Rename old insert_into_field_list
6535 (create_function_info_for): Use insert_into_field_list_sorted.
6536 (create_variable_info_for): Rewrite so it uses unsorted version,
6537 since the field list is sorted.
6538 (intra_create_variable_infos): Only add to referenced_vars if
6539 referenced_vars exists.
6540 (ipa_pta_execute): Init heapvars, and delete when done.
6541 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6543 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6545 * doc/install.texi: Add missing `@samp'.
6547 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6549 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6552 2006-02-18 Mark Wielaard <mark@klomp.org>
6554 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6555 who added new 4.1 features, bug fixes and integration support.
6557 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6560 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6563 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6565 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6566 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6567 (copy_insn_1): Likewise. Don't copy each field individually.
6569 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6571 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6572 * rtl.c (rtx_size): Rename variable to...
6573 (rtx_code_size): ...this.
6574 (rtx_size): New function.
6575 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6576 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6578 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6579 * rtl.h (rtx_code_size): New variable.
6580 (rtx_size): Change from a variable to a function.
6581 (RTX_SIZE): Rename to...
6582 (RTX_CODE_SIZE): ...this.
6585 PR tree-optimization/17106
6586 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6587 (Anchored Addresses): New section.
6588 * doc/invoke.texi (-fsection-anchors): Document.
6589 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6590 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6591 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6592 * hooks.c (hook_bool_mode_rtx_false): New function.
6593 * hooks.h (hook_bool_mode_rtx_false): Declare.
6594 * gengtype.c (create_optional_field): New function.
6595 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6596 SYMBOL_REF_IN_BLOCK_P is true.
6597 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6598 (min_anchor_offset, max_anchor_offset): Likewise.
6599 (use_anchors_for_symbol_p): New hook.
6600 * toplev.c (compile_file): Call output_object_blocks.
6601 (target_supports_section_anchors_p): New function.
6602 (process_options): Check that -fsection-anchors is only used on
6603 targets that support it and when -funit-at-a-time is in effect.
6604 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6605 if the decl doesn't have one.
6606 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6607 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6608 of force_const_mem through use_anchored_address.
6609 (expand_expr_constant): New function.
6610 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6611 calling expand_expr for INDIRECT_REF.
6612 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6613 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6614 * expr.h (use_anchored_address): Declare.
6615 * loop-unroll.c: Don't declare rtx vectors here.
6616 * explow.c: Include output.h.
6617 (validize_mem): Call use_anchored_address.
6618 (use_anchored_address): New function.
6619 * common.opt (-fsection-anchors): New switch.
6620 * varasm.c (object_block_htab, anchor_labelno): New variables.
6621 (hash_section, object_block_entry_eq, object_block_entry_hash)
6622 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6623 (use_blocks_for_decl_p, change_symbol_section): New functions.
6624 (get_variable_section): New function, split out from assemble_variable.
6625 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6626 use_blocks_for_decl_p say so. Use change_symbol_section if the
6627 symbol has already been created.
6628 (assemble_variable_contents): New function, split out from...
6629 (assemble_variable): ...here. Don't output any code for
6630 block symbols; just pass them to place_block_symbol.
6631 Use get_variable_section and assemble_variable_contents.
6632 (get_constant_alignment, get_constant_section, get_constant_size): New
6633 functions, split from output_constant_def_contents.
6634 (build_constant_desc): Create a block symbol if use_object_blocks_p
6635 says so. Or into SYMBOL_REF_FLAGS.
6636 (assemble_constant_contents): New function, split from...
6637 (output_constant_def_contents): ...here. Don't output any code
6638 for block symbols; just pass them to place_section_symbol.
6639 Use get_constant_section and get_constant_alignment.
6640 (force_const_mem): Create a block symbol if use_object_blocks_p and
6641 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6642 (output_constant_pool_1): Add an explicit alignment argument.
6643 Don't switch sections here.
6644 (output_constant_pool): Adjust call to output_constant_pool_1.
6645 Switch sections here instead. Don't output anything for block symbols;
6646 just pass them to place_block_symbol.
6647 (init_varasm_once): Initialize object_block_htab.
6648 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6649 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6650 (place_block_symbol, get_section_anchor, output_object_block)
6651 (output_object_block_htab, output_object_blocks): New functions.
6652 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6653 (TARGET_ASM_OUT): Include it.
6654 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6655 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6656 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6657 (TARGET_INITIALIZER): Include them.
6658 * rtl.c (rtl_check_failed_block_symbol): New function.
6659 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6660 (block_symbol, object_block): New structures.
6661 (rtx_def): Add a block_symbol field to the union.
6662 (BLOCK_SYMBOL_CHECK): New macro.
6663 (rtl_check_failed_block_symbol): Declare.
6664 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6665 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6666 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6667 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6668 * output.h (output_section_symbols): Declare.
6669 (object_block): Name structure.
6670 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6671 (default_use_anchors_for_symbol_p): Declare.
6672 * Makefile.in (RTL_BASE_H): Add vec.h.
6673 (explow.o): Depend on output.h.
6674 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6675 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6676 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6677 (rs6000_use_blocks_for_constant_p): New function.
6679 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6681 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6683 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6686 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6689 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6691 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6695 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6698 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6699 instead of DECL_REGISTER.
6701 2006-02-18 Olivier Hainque <hainque@adacore.com>
6704 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6706 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6709 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6710 * opth-gen.awk: Handle Var and InverseMask together.
6711 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6712 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6713 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6714 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6716 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6717 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6718 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6719 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6720 LINUX_DYNAMIC_LINKER): Define.
6721 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6722 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6724 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6725 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6726 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6727 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6728 (TARGET_C99_FUNCTIONS): Don't define.
6729 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6730 GLIBC_DYNAMIC_LINKER.
6731 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6732 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6733 GLIBC_DYNAMIC_LINKER64): Define.
6734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6735 LINUX_DYNAMIC_LINKER64.
6736 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6738 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6740 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6741 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6742 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6743 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6744 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6745 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6746 and LINUX_DYNAMIC_LINKER32.
6747 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6749 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6751 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6753 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6754 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6755 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6756 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6757 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6758 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6759 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6760 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6761 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6762 LINUX_DYNAMIC_LINKER): Define.
6763 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6764 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6765 GLIBC_DYNAMIC_LINKER64): Define.
6766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6767 LINUX_DYNAMIC_LINKER64.
6768 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6769 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6770 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6771 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6772 LINUX_DYNAMIC_LINKER): Define.
6773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6774 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6775 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6776 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6777 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6778 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6779 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6780 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6781 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6782 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6784 * doc/invoke.texi (-muclibc): Remove caveat about supported
6787 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6789 * doc/cpp.texi (__TIMESTAMP__): Document.
6791 2006-02-17 Roger Sayle <roger@eyesopen.com>
6794 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6795 C is one less than the width of X (and related transformations).
6796 * simplify-rtx.c (simplify_unary_operation_1): Transform
6797 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6798 depending on STORE_FLAG_VALUE, were C is one less then the
6801 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6803 Fix PR tree-optimization/26341
6804 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6805 about NAME_MEMORY_TAG's.
6807 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6810 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6811 with hardware float support, and software float support. Add fcpy
6812 alternative to hardware patterns. Add alternatives to copy between
6813 general and floating-point registers to the 32-bit pattern.
6814 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6815 secondary reload to load a QI or HI mode constant into a floating
6817 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6818 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6820 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6823 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6825 (load_macho_picbase_di): Likewise.
6827 2006-02-16 Jeff Law <law@redhat.com>
6829 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6830 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6831 (ssa_name_nonzero_p): Likewise.
6832 (get_value_range): Return NULL if VRP is not running.
6833 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6834 VRP routines do not discover a range.
6835 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6836 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6837 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6838 (tree_expr_nonnegative_p): Similarly.
6839 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6840 (restore_nonzero_vars_to_original_value): Remove.
6841 (unsafe_associative_fp_binop): Remove.
6842 (tree_ssa_dominator_optimize): Remove initialization and
6843 finalization of nonzero_vars and nonzero_vars_stack.
6844 (dom_opt_initialize_block): No longer push marker on
6846 (dom_opt_finalize_block): No longer call
6847 restore_nonzero_vars_to_original_value.
6848 (record_equivalences_from_phis): No longer look for
6849 nonzero PHI arguments.
6850 (cprop_into_successor_phis): No longer propagate nonzero
6851 property into PHI arguments. Lose unused argument. Caller
6853 (record_equivalences_from_stmt): No longer record nonzero
6854 values for SSA_NAMEs.
6855 (lookup_avail_expr): No longer use nonzero_vars.
6857 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6858 for sizetype when sizetype is unsigned.
6860 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6862 PR rtl-optimization/25603
6863 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6864 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6865 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6866 with new meaning of SETS.
6868 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6873 * config/linux.opt: New file.
6874 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6875 LINUX_DYNAMIC_LINKER): Define.
6876 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6877 * config.gcc (*-*-linux*): Define extra_options.
6878 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6879 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6880 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6881 GLIBC_DYNAMIC_LINKER.
6882 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6883 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6884 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6886 * doc/invoke.texi (GNU/Linux Options): New section.
6888 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6890 * config/sparc/sparc.md (setjmp): Rewrite.
6891 (setjmp_32): Delete.
6892 (setjmp_64): Likewise.
6894 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6896 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6899 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6901 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6904 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6906 PR rtl-optimization/26296
6907 * Makefile.in (loop-invariant.c): Add except.h dependency.
6908 * loop-invariant.c: Include except.h.
6909 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6911 2005-02-16 Paul Brook <paul@codesourcery.com>
6913 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6916 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6918 PR rtl-optimization/25636
6919 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6920 when deciding whether an insn is an initializing insn.
6922 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6924 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6925 (tree_code_size): Ditto.
6926 * tree.h (struct tree_memory_tag): Remove parent_var.
6927 (struct tree_struct_field_tag): New.
6930 (union tree_node): Add sft member.
6931 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6933 (create_sft): Add size and offset argument, set SFT_OFFSET and
6935 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6936 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6937 * tree-flow-inline.h (get_subvar_at): Update for
6938 SFT_OFFSET/SFT_SIZE.
6939 (var_can_have_subvars): Ditto.
6940 (overlap_subvar): Ditto.
6941 * print-tree.c (print_node): Print out interesting things for
6943 * tree-flow.h (struct subvar): Remove offset and size members.
6944 * tree-ssa-operands.c (get_expr_operands): Update for
6945 get_indirect_ref_operands changes.
6946 (get_indirect_ref_operands): Call add_virtual_operand instead of
6947 add_stmt_operand. Only recurse on base var if requested.
6948 (access_can_touch_variable): New function.
6949 (add_stmt_operand): Split virtual operand handling into ...
6950 (add_virtual_operand): Here. Add offset, size, and for_clobber
6951 arguments. Prune alias sets.
6952 (add_call_clobber_ops): Call add_virtual_operand.
6954 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6957 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6959 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6960 than TREE_CODE as index into omp_clause_num_ops array.
6962 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6964 PR rtl-optimization/26184
6965 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6967 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6968 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6969 must_precede, must_follow and tobe_scheduled.
6972 * opts.c (common_handle_option): Free new_option pointer.
6973 * df-core.c (df_analyze): Free postorder pointer.
6975 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6977 * Makefile.in: Fix the examples about the use of stamps
6979 2006-02-15 Michael Matz <matz@suse.de>
6983 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6984 influenced by maximum_field_alignment or DECL_PACKED.
6985 (update_alignment_for_field): Ditto.
6986 (place_field): Ditto.
6987 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6990 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6992 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6993 (debug_flow_info): Pass it.
6994 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6995 * bb-reorder.c (reorder_basic_blocks): Likewise.
6996 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6997 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6998 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6999 * gcse.c (gcse_main, bypass_jumps): Likewise.
7000 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7001 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7002 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7003 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7004 * rtl.h (dump_flow_info): Adjust prototype.
7005 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7006 * var-tracking.c (variable_tracking_main): Likewise.
7007 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7008 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7011 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7013 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7016 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7018 PR tree-optimization/26209
7019 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7020 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7022 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7024 2006-02-14 Roger Sayle <roger@eyesopen.com>
7027 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7028 (X,Y) and the corresponding symmetry related transformations.
7029 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7030 (X,Y) and its symmetry related transformations.
7032 2006-02-14 Roger Sayle <roger@eyesopen.com>
7034 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7037 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7039 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7041 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7044 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7045 support COMDAT group.
7046 * configure: Regenerate.
7048 2006-02-14 Roger Sayle <roger@eyesopen.com>
7053 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7055 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7057 Fix PR tree-optimization/26260
7059 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7061 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7062 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7063 * tree-ssa-structalias.c (create_variable_info_for): Use
7064 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7066 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7068 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7070 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7071 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7072 of the ending condition.
7073 * tree-ssa-loop-manip.c: Include params.h.
7074 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7075 tree_unroll_loop): New functions.
7076 * tree-pass.h (pass_loop_prefetch): Declare.
7077 * loop.c (rest_of_handle_loop_optimize): Test for
7078 -fprefetch-loop-arrays-rtl.
7079 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7080 * timevar.def (TV_TREE_PREFETCH): New timevar.
7081 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7082 pass_loop_prefetch): New.
7083 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7084 (cleanup_tree_cfg_loop): Call scev_reset.
7085 * common.opt (fprefetch-loop-arrays-rtl): Add.
7086 * tree-ssa-loop-prefetch.c: New file.
7087 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7088 (new_temp_expr_table): Initialize expr_vars.
7089 (free_temp_expr_table): Cleanup expr_vars.
7090 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7091 expressions from being merged into one.
7092 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7093 (struct tree_niter_desc): Add control, bound and cmp fields.
7094 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7096 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7097 (tree-cfgcleanup.o): Add SCEV_H dependency.
7098 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7099 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7101 2006-02-14 Richard Guenther <rguenther@suse.de>
7103 PR tree-optimization/26258
7104 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7105 in PHI argument processing.
7107 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7109 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7110 new expression in the requested machine mode.
7112 2006-02-13 Roger Sayle <roger@eyesopen.com>
7114 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7115 directly, instead let do_compare_rtx_and_jump handle this for us.
7116 * expr.c (expand_expr_real_1): Likewise.
7117 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7118 before do_jump_by_parts_greater.
7119 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7120 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7122 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7126 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7128 PR rtl-optimization/26235
7129 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7130 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7133 2006-02-13 Jeff Law <law@redhat.com>
7135 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7138 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7141 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7142 twice if decl is a builtin. When trying again, call get_callee_fndecl
7143 first to verify it is still a builtin.
7145 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7147 * dwarf2out.c (base_type_die): Don't add AT_name here.
7148 (subrange_type_die): Don't add AT_name here.
7149 (modified_type_die): Rearrange code flow. Do add AT_name here.
7151 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7153 PR rtl-optimization/26247
7154 PR rtl-optimization/26248
7155 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7157 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7159 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7160 * config/fixtfdi.c: Likewise.
7161 * config/fixunstfdi.c: Likewise.
7162 * config/floatditf.c: Likewise.
7164 2006-02-13 Roger Sayle <roger@eyesopen.com>
7167 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7168 into (X,C2) if C1 is a subset of the bits of C2. Transform
7169 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7171 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7173 2006-02-13 Josh Conner <jconner@apple.com>
7176 * varasm.c (function_section): Check for section name before
7177 calling select_section on targets that define
7178 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7179 unlikely_text_section instead of hot_function_section if
7180 first_function_block_is_cold.
7182 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7185 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7187 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7189 PR rtl-optimization/26222
7190 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7191 after tree->rtl expansion.
7192 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7193 before passing it to emit_move_insn.
7195 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7197 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7199 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7200 Clarify documentation.
7201 * c-common.h (warn_write_strings): Remove.
7202 * c-common.c (warn_write_strings): Likewise.
7203 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7206 2006-02-12 Roger Sayle <roger@eyesopen.com>
7209 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7210 (do_jump_parts_zero_rtx): New function renamed from
7211 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7212 (do_jump_parts_equality_rtx): New function split out from
7213 do_jump_parts_equality. Old implementation renamed as above.
7214 Call do_jump_parts_zero_rtx if either operand is zero.
7215 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7216 do all of the heavy lifting.
7217 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7218 calling either do_jump_by_parts_greater_rtx or
7219 do_jump_by_parts_equality_rtx.
7220 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7221 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7222 moved to do_compare_rtx_and_jump, call it directly.
7223 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7224 mode argument. Call do_compare_rtx_and_jump.
7225 (emit_case_nodes): Update calls to do_jump_if_equal.
7227 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7229 PR rtl-optimization/26225
7230 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7232 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7234 PR rtl-optimization/26232
7235 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7237 2006-02-11 Jason Merrill <jason@redhat.com>
7240 * tree-inline.c (declare_return_variable): Just don't use the
7241 modify target if it's a gimple complex reg and the return slot
7244 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7246 * doc/contrib.texi: Update my entry.
7248 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7250 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7252 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7254 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7257 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7259 * doc/invoke.texi (-floop-optimize2): Removed.
7260 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7261 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7262 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7263 * common.opt (floop-optimize2): Removed.
7264 (fmove-loop-invariants): Enabled by default.
7266 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7268 * tree-if-conv.c (combine_blocks): Free the result of
7269 get_loop_exit_edges.
7271 2006-02-10 Jeff Law <law@redhat.com>
7273 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7275 PR tree-optimization/26213
7276 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7277 loop trying to follow SSA_NAME_VALUE chains.
7279 2006-02-10 Richard Guenther <rguenther@suse.de>
7281 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7282 deal with structures that end in implicitly variable sized arrays.
7284 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7286 PR rtl-optimization/24762
7287 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7290 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7292 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7293 (struct ivopts_data): Add regs_used field.
7294 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7295 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7296 instead of loop_data->regs_used;
7297 (free_loop_data): Do not free aux fields for loops.
7298 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7299 and tree_ssa_iv_optimize_finalize.
7301 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7303 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7305 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7308 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7309 computing the effective result type.
7311 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7314 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7315 (tree_overlaps_hard_reg_set): Declare.
7316 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7317 type and signature to match function type expected by walk_tree.
7318 (tree_overlaps_hard_reg_set): New function.
7319 (decl_conflicts_with_clobbers_p): Rename to:
7320 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7321 Use tree_overlaps_hard_reg_set. Changed caller.
7322 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7323 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7324 * cris.c (cris_md_asm_clobbers): Likewise.
7326 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7328 * reload1.c (emit_input_reload_insns): Delete code that tries to
7329 inherit using find_equiv_reg.
7331 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7333 * c-common.h (flag_const_strings): Don't declare.
7334 * c-common.c (flag_const_strings): Remove.
7335 * c.opt (fconst_strings): Remove.
7336 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7337 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7338 (c_common_init_options): Don't set flag_const_strings.
7339 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7341 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7343 * arm.md (tlobits_cbranch): New pattern.
7344 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7345 testing a single bit.
7347 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7350 * tree-ssa-pre.c (create_component_ref_by_pieces):
7351 Handle RETURN_DECL like VAR_DECL.
7353 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7356 * fold-const.c (fold_indirect_ref_1): Fold
7357 "*(foo *)&complexfoo" to "__real__ complexfoo"
7358 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7360 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7362 * tree-flow-inline.h (var_can_have_subvars):
7363 Volatile variables should not have subvariables.
7365 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7368 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7369 multiplying unsigned values.
7372 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7374 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7376 2006-02-08 Jason Merrill <jason@redhat.com>
7379 * tree.def: Elaborate on difference from MODIFY_EXPR.
7380 * doc/c-tree.texi (INIT_EXPR): Likewise.
7381 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7382 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7383 (gimplify_target_expr): Likewise.
7384 (gimplify_cond_expr): Remove target handling.
7385 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7386 (gimplify_expr): Clobber it here.
7387 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7388 Do return slot optimization if we have an INIT_EXPR.
7391 * tree-inline.c (declare_return_variable): Also clear
7392 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7395 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7398 * gimplify.c (gimplify_one_sizepos): Fix typo.
7400 2006-02-08 Jeff Law <law@redhat.com>
7402 PR tree-optimization/21417
7403 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7404 across a backedge if the control statement at the end of the
7405 block is data dependent on other statements in the same block.
7406 (record_temporary_equivalences_from_stmts): Remove over-conservative
7407 test for threading across backedges.
7409 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7410 control statement, handle all three special cases in the same
7411 manner as they all have the same desired solution. No longer
7412 special case edge flag updating when the post dominator is
7415 2006-02-08 Roger Sayle <roger@eyesopen.com>
7417 * tree.def (CHAR_TYPE): Remove.
7418 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7419 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7420 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7421 (gen_string_type_die): Delete unreachable function.
7423 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7424 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7425 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7426 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7427 * builtins.c (type_to_class): Likewise.
7428 * fold-const.c (fold_convert, build_range_check,
7429 merge_ranges): Likewise.
7430 * expr.c (count_type_elements): Likewise.
7431 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7432 * stor-layout.c (layout_type): Likewise.
7433 * ipa-type-escape.c (type_to_consider): Likewise.
7434 * gimplify.c (omp_firstprivatize_type_sizes,
7435 gimplify_type_sizes): Likewise.
7436 * explow.c (promote_mode): Likewise.
7437 * tree-sra.c (is_sra_scalar_type): Likewise.
7438 * varasm.c (output_constant): Likewise.
7439 * tree-inline.c (remap_type_1): Likewise.
7440 * convert.c (convert_to_pointer, convert_to_real,
7441 convert_to_integer, convert_to_complex): Likewise.
7443 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7445 * df-scan.c (df_def_record_1): A set destination may
7446 be a parallel regardless of mode.
7448 2006-02-08 Roger Sayle <roger@eyesopen.com>
7451 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7452 * config/mips/_tilib.c: Remove.
7453 * config/fixtfdi.c: New libgcc source file.
7454 * config/fixunstfdi.c: New source file.
7455 * config/floatditf.c: New source file.
7456 * config/floatunditf.c: New souce file.
7457 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7458 files above instead of config/mips/_tilib.c.
7459 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7461 2006-02-08 Jeff Law <law@redhat.com>
7463 PR tree-optimization/26169
7464 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7467 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7469 * df.h (DF_REG_SIZE): Return the length of the initialized
7472 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7474 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7475 __muldf3): Return a correctly signed zero.
7477 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7479 * passes.c (register_one_dump_file): Accept the current properties
7480 instead of pass number. Adjust call to dump_register. Remove
7482 (register_dump_files): Now a wrapper around...
7483 (register_dump_files_1): ... this one. Do not modify the pass
7485 (next_pass_1): Cosmetic fix.
7486 (execute_todo): Keep second parameter only. Use curr_properties
7487 instead of fetching it from the pass structure. Check and set
7489 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7490 instead of fetching it from the pass structure. Fix calls to
7491 execute_todo. Update curr_properties and initialize .vcg RTL dump
7492 after running the pass. Reset last_verified.
7493 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7495 (FIRST_AUTO_NUMBERED_DUMP): New.
7496 (dump_register): Remove "num" parameter, assign it within the
7498 (get_dump_file_name): Modify template for dumps.
7499 * tree-dump.h (dump_register): Adjust prototype.
7500 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7501 (PROP_trees): Add PROP_gimple_lomp.
7502 (TODO_set_props): New.
7503 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7504 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7505 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7507 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7509 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7510 (sparc64-*-linux*): Likewise.
7511 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7512 * config/sparc/t-linux: New file.
7513 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7514 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7515 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7516 -m32 -mlong-double-128.
7518 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7519 * config/alpha/t-linux: New file.
7520 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7522 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7523 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7524 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7525 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7526 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7527 (CPP_ARCH32_SPEC): Remove.
7529 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7531 PR tree-optimization/26145
7532 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7535 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7538 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7539 >= 240000 when generating code for SOM runtime.
7540 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7541 to $$dyncall when generating code for SOM runtime..
7543 2006-02-07 Dirk Mueller <dmueller@suse.com>
7546 * doc/invoke.texi (-Wsequence-point): Update documentation
7547 that -Wsequence-point is implemented for C++ as well.
7549 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7551 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7552 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7553 (LIB_SPEC): Likewise.
7554 * doc/invoke.texi (SPARC options): Document -pthread.
7556 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7558 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7561 2006-02-07 Roger Sayle <roger@eyesopen.com>
7563 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7564 Correct comment describing BOOLEAN_TYPE.
7566 2006-02-07 Dirk Mueller <dmueller@suse.com>
7568 * c.opt: C++ frontend supports -Wdiv-by-zero.
7569 * c-opts.c (c_common_handle_option): Remove dead case.
7571 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7573 * configure.ac (TLS assembler check): Do not enable TLS by
7574 default on SPARC/Solaris before version 10.
7575 * configure: Regenerate.
7577 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7579 * doc/invoke.texi (xl-compat): Document conversion and support
7582 2006-02-07 Jeff Law <law@redhat.com>
7584 * tree-vrp.c (find_conditional_asserts): Update comments.
7585 (simplify_stmt_for_jump_threading): New.
7586 (identify_jump_threads, finalize_jump_threads): New.
7587 (vrp_finalize): Call identify_jump_threads.
7588 (execute_vrp): Call finalize_jump_threads.
7589 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7590 (vrp_element, vrp_data, vrp_element_p): Remove.
7591 (vrp_hash_elt, vrp_variables_stack): Remove.
7592 (vrp_hash, vrp_eq, record_range): Remove.
7593 (simplify_cond_and_lookup_avail_expr): Remove.
7594 (extract_range_from_cond): Remove.
7595 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7596 (simplify_stmt_for_jump_threading): New.
7597 (dom_thread_across_edge): New wrapper.
7598 (tree_ssa_dominator_optimize): No longer initialize or
7599 finalize any of the VRP datastructures. Remove iteration
7600 step and simplify as a result of removal of iteration step.
7601 (pass_dominator): Perform a cfg cleanup after DOM.
7602 (dom_opt_finalize_block): Use the new common routines
7603 for threading jumps. Simplify stack management slightly.
7604 No longer need to unwind VRP state.
7605 (record_equivalences_from_incoming_edge): No longer record
7607 (eliminate_redundant_computations): No longer call
7608 simplify_cond_and_lookup_avail_expr.
7609 * tree-flow.h (potentially_threadable_block): Prototype.
7610 (thread_across_edge): Likewise.
7611 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7612 (tree-ssa-threadedge.o): Add dependencies.
7613 * tree-ssa-threadedge.c: New file.
7614 * passes.c (init_optimization_passes): Merge PHIs before
7615 calling VRP. Run VRP again late in the SSA optimization pipeline.
7617 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7619 * df-core.c (df_set_blocks): Do not dereference function pointers.
7620 (df_finish1): Likewise.
7621 (df_hybrid_search_forward): Likewise.
7622 (df_hybrid_search_backward): Likewise.
7623 (df_iterative_dataflow): Likewise.
7624 (df_analyze_problem): Likewise.
7625 (df_compact_blocks): Likewise.
7626 (df_dump): Likewise.
7627 * df-scan.c (df_rescan_blocks): Likewise.
7628 (df_record_entry_block_defs): Likewise.
7630 * genconditions.c (write_conditions): Guard the definition of
7631 'insn_conditions' with the check on GCC version.
7632 (write_writer): Guard the traversal 'insn_conditions' with
7633 the check on GCC version.
7635 2006-02-07 Richard Guenther <rguenther@suse.de>
7639 2006-01-30 Richard Guenther <rguenther@suse.de>
7641 * gimplify.c (gimplify_target_expr): Handle easy cases
7642 without creating a temporary.
7644 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7646 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7647 use of float in probability computations. Use edge probabilities
7648 in place of statically computed probabilities.
7649 (min_spec_prob): New static variable.
7650 (schedule_insns): Initialize it.
7651 (GET_SRC_PROB): Removed.
7652 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7654 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7657 * config/ia64/unwind-ia64.c: Revert last change.
7658 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7659 (INCOMING_FRAME_SP_OFFSET): Define.
7661 2006-02-06 Roger Sayle <roger@eyesopen.com>
7663 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7665 2006-02-07 Ben Elliston <bje@au.ibm.com>
7667 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7668 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7669 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7670 (ix86_return_in_memory): Handle TDmode.
7671 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7672 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7674 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7676 * reorg.c (dbr_schedule): Use dump_file instead of file.
7678 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7681 * config/ia64/predicates.md (extr_len_operand): New predicate.
7682 * config/ia64/ia64.md (extv): Tighten constraints.
7684 (*tbit_and_2): Ditto.
7685 (*tbit_and_3): Ditto.
7686 (*tbit_or_2): Ditto.
7687 (*tbit_or_3): Ditto.
7691 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7694 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7696 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7698 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7699 loop_optimizer_init and loop_optimizer_finalize
7700 * tree-ssa-sink.c (execute_sink_code): Ditto.
7701 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7702 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7703 tree_ssa_loop_done): Ditto.
7704 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7705 * sched-ebb.c: Include output.h.
7706 (schedule_ebbs): Do not use dump argument.
7707 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7708 * loop.c (loop_dump_stream): Removed.
7709 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7711 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7712 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7713 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7714 loop_iterations, strength_reduce, record_biv, record_giv,
7715 final_giv_value, check_final_value, check_ext_dependent_givs,
7716 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7717 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7718 dump_file instead of loop_dump_stream.
7719 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7721 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7723 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7724 * haifa-sched.c: Include output.h
7725 (schedule_insns, sched_init): Do not use dump argument.
7726 * mode-switching.c (optimize_mode_switching): Ditto.
7727 * modulo-sched.c (stats_file): Removed.
7728 (print_node_sched_params): Do not call argument dump_file.
7729 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7730 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7732 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7734 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7735 rtl_loop_init, rtl_loop_done): Ditto.
7736 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7737 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7739 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7740 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7741 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7742 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7743 * emit-rtl.c (renumber_insns): Ditto.
7744 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7745 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7746 * regclass.c (regclass): Ditto.
7747 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7748 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7749 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7750 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7752 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7753 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7755 * gcse.c (gcse_file, debug_stderr): Removed.
7756 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7757 rest_of_handle_gcse): Do not use dump argument.
7758 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7759 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7760 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7761 compute_code_hoist_vbeinout, compute_code_hoist_data,
7762 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7763 compute_store_table, build_store_vectors, insert_insn_start_bb,
7764 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7765 store_motion): Use dump_file instead of gcse_file.
7766 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7767 * profile.c (profile_dump_file): Removed.
7768 (branch_prob): Use dump_file instead of profile_dump_file.
7769 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7771 * tree-ssa-copy.c (dump_copy_of): Ditto.
7772 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7773 dump file to life_analysis.
7774 * bt-load.c (branch_target_load_optimize): Ditto.
7775 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7777 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7778 regclass, dbr_schedule): Declaration changed.
7779 * sched-int.h (sched_init): Declaration changed.
7780 * tree-profile.c (tree_profile_dump_file): Removed.
7781 (tree_profile_hooks): Removed profile_dump_file hook.
7782 * rtl-profile (rtl_profile_dump_file): Removed.
7783 (rtl_profile_hooks): emoved profile_dump_file hook.
7784 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7786 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7787 * tree-cfg.c (build_tree_cfg): Ditto.
7788 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7789 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7790 Declaration changed.
7791 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7792 life_analysis and schedule_insns.
7793 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7795 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7797 * config/mips/mips.c (mips_reorg): Ditto.
7798 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7801 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7803 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7804 (s390_mangle_fundamental_type): New.
7805 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7808 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7809 (alpha_mangle_fundamental_type): New.
7810 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7813 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7815 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7817 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7818 (sparc_mangle_fundamental_type): New.
7820 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7822 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7823 (s390x-*-linux*): Likewise.
7824 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7825 * config/s390/t-linux: New file.
7827 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7829 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7830 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7832 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7834 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7835 (ANTIC_SAFE_LOADS): New macro.
7836 (find_or_generate_expression): Add prototype.
7837 (set_contains_value): Allow null set for sake of not always having
7838 to allocate ANTIC_SAFE_LOADS.
7839 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7840 Allow COMPONENT_REF too.
7841 (valid_in_set): Allow COMPONENT_REF.
7842 Check ANTIC_SAFE_LOADS too.
7843 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7844 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7846 (can_PRE_operation): Add COMPONENT_REF.
7847 (create_component_ref_by_pieces): New function.
7848 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7849 (insert_aux): Move AGGREGATE_TYPE_P check here.
7850 (compute_avail): Set bb local stmt uids.
7851 (pass_pre): Use TODO_update_ssa_only_virtuals.
7853 2006-02-06 Ben Elliston <bje@au.ibm.com>
7855 * configure.ac: Unconditionally disable decimal float by default.
7856 * configure: Regenerate.
7858 2006-02-06 Ben Elliston <bje@au.ibm.com>
7860 * read-rtl.c (read_name): Terminate reading on EOF.
7862 2006-02-06 Ben Elliston <bje@au.ibm.com>
7864 * dfp.c (decimal_real_arithmetic): Change second argument type
7865 from int to enum tree_code. Do not always return true, but now
7866 return result of any call to decimal_do helper functions.
7867 * dfp.h (decimal_real_arithmetic): Update prototype.
7869 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7871 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7873 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7876 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7879 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7881 * tree-vrp.c (cfg_loops): Removed.
7882 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7883 Use current_loops instead of cfg_loops. Pass flags to
7884 loop_optimizer_init.
7885 * cfgloopmanip.c (fix_loop_structure): Update only available
7887 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7888 loop_optimizer_init.
7889 * modulo-sched.c (build_loops_structure): Removed.
7890 (sms_schedule): Use loop_optimizer_init.
7891 * loop-init.c (loop_optimizer_init): Use flags to determine
7892 which properties of loops to prepare.
7893 (rtl_loop_init): Pass flags to loop_optimizer_init.
7894 * tree-ssa-sink.c (execute_sink_code): Ditto.
7895 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7896 * tree-ssa-pre.c (init_pre): Ditto.
7897 * cfgloop.h (LOOPS_NORMAL): New.
7898 (loop_optimizer_init): Declaration changed.
7900 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7902 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7903 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7905 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7907 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7909 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7910 * pa/t-pa64: Delete quadlib.c rule.
7911 * pa/x-ada: Revert last change.
7912 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7914 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7916 PR rtl-optimization/26087
7917 * rtlanal.c (canonicalize_condition): Do not cross basic block
7920 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7923 * config/ia64/ia64.c: Include debug.h.
7924 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7925 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7926 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7927 (process_epilogue, process_set, process_for_unwind_directive):
7928 Output unwind info only if requested. Add CFA info if requested.
7929 Add new arguments as needed. Adjust callers.
7930 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7932 (DWARF2_FRAME_INFO): Define to zero.
7933 * config/ia64/unwind-ia64.c: Remove code that compensated for
7934 the CFA offset error fixed above.
7935 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7936 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7937 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7938 -funwind-tables and -fexceptions to enable frame info.
7939 (dwarf2out_frame_init): Define initial CFA even if
7940 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7941 DWARF2_UNWIND_INFO is nonzero, not just defined.
7942 (dwarf2out_frame_finish): Output non-EH call frame info only
7943 if DWARF2_FRAME_INFO is nonzero.
7944 (convert_cfa_to_loc_list,
7945 compute_frame_pointer_to_cfa_displacement): Define even if
7946 unwind info is not supported.
7947 (gen_subprogram_die): Use the above unconditionally. Remove
7948 legacy alternate code.
7949 * toplev.c (compile_file): Compile in call to
7950 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7951 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7953 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7954 Jakub Jelinek <jakub@redhat.com>
7956 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7957 IBM extended float format long double as "g" on powerpc*-linux.
7959 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7962 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7963 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7965 2006-02-03 Jason Merrill <jason@redhat.com>
7968 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7971 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7972 on the return slot if it's an NRV.
7974 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7976 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7977 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7978 rewrite_use): Do not handle USE_OUTER.
7979 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7980 add_iv_outer_candidates, may_replace_final_value,
7981 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7982 (find_interesting_uses_op): Functionality of
7983 find_interesting_uses_outer_or_nonlin moved here.
7984 (find_interesting_uses_outside): Use find_interesting_uses_op.
7986 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7989 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7991 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7992 Ulrich Weigand <uweigand@de.ibm.com>
7995 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7996 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7997 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7998 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8000 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8001 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8002 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8003 Define secondary reloads for TFmode moves.
8004 (constant_modes): Add TFmode.
8005 (NR_C_MODES): Set to 8.
8006 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8008 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8009 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8010 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8011 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8012 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8013 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8014 (FPR mode macro): Add TFmode.
8015 (DSF mode macro): New.
8016 (<de>, <dee> mode attributes): Removed.
8017 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8018 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8019 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8020 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8021 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8022 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8023 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8024 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8025 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8026 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8027 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8028 "*negabs<mode>2", "sqrt<mode>2"):
8029 Changed <de> to <xde>. R constraint replaced by <Rf>.
8030 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8032 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8033 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8034 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8036 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8037 "extenddftf2", "extendsftf2"): New expanders.
8038 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8039 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8040 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8041 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8043 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8044 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8045 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8046 __floatditf): Add a GCC_4.1.0 symbol version tag.
8047 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8050 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8053 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8054 Use targetm.binds_local_p instead of TREE_PUBLIC.
8056 2006-02-02 Roger Sayle <roger@eyesopen.com>
8058 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8059 on INTEGER_TYPEs to indicate that it denotes a character type.
8060 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8061 signed_char_type_node, unsigned_char_type_node and char_type_node.
8062 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8063 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8064 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8066 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8067 Daniel Berlin <dberlin@dberlin.org>
8069 * tree-tailcall.c (arg_needs_copy_p): New function.
8070 (eliminate_tail_call): Use arg_needs_copy_p.
8071 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8072 (add_virtual_phis): New function.
8074 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8076 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8077 #ignore instead of #scratch for %g7 .register directive.
8079 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8081 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8084 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8086 * flow.c (calculate_global_regs_live): Assert that there aren't any
8089 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8091 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8093 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8094 bsi_after_labels iterator.
8095 * tree-if-conv.c (find_phi_replacement_condition,
8096 replace_phi_with_cond_modify_expr): Likewise.
8097 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8098 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8100 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8102 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8104 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8107 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8108 array after growing it.
8110 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8113 * fold-const.c (fold_checksum_tree): Change type of buf.
8115 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8117 * reload.c (push_secondary_reload): Initialize t_icode.
8119 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8121 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8122 -msoft-float -mlong-double-128 only issue a warning, but don't
8123 swich to DFmode long double.
8125 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8127 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8128 has a constant equivalent, iterate over equivalents for arg0,
8129 calling simplify_relational_operation and if there's a result
8130 cheaper than X, apply fold_rtx and return the result.
8132 2006-02-01 Jan Hubicka <jh@suse.cz>
8134 * opts.c (no_unit_at_a_time_default): New global variable.
8135 (decode_options): Use it.
8136 * opts.h (no_unit_at_a_time_default): Declare.
8138 2006-02-01 Paul Brook <paul@codesourcery.com>
8140 * function.c (assign_parm_setup_reg): Use function argument promotion
8142 * expr.c (expand_expr_real_1): Use function argument promotion rules
8145 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8147 * gcc.c (process_command): Change j to 'unsigned int'.
8149 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8152 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8153 Use the corrected index for the character
8154 out of the string constant.
8156 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8158 * mode-switching.c (optimize_mode_switching): Fix size
8159 allocated for bb_info[n_entities].
8161 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8163 * gcc.c (main): Correct type that is allocated for
8164 explicit_link_files.
8166 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8168 * config/s390/s390.c (init_alignment_context): Set
8169 ALIAS_SET_MEMORY_BARRIER on the MEM.
8170 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8172 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8175 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8177 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8180 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8182 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8183 * regrename.c: Ditto.
8184 * tree-ssa-loop-im.c: Ditto.
8185 * tree-dump.c: Ditto.
8186 * tree-complex.c: Ditto.
8187 * genrecog.c: Ditto.
8188 * tree-ssa-threadupdate.c: Ditto.
8190 * java/class.c: Ditto.
8191 * java/jcf-parse.c: Ditto.
8192 * java/resource.c: Ditto.
8193 * java/except.c: Ditto.
8194 * java/jvspec.c: Ditto.
8195 * java/jcf-write.c: Ditto.
8196 * java/jcf-path.c: Ditto.
8197 * java/gjavah.c: Ditto.
8198 * java/zextract.c: Ditto.
8199 * java/jcf-io.c: Ditto.
8200 * java/jcf.h: Ditto.
8201 * java/buffer.c: Ditto.
8202 * java/lang.c: Ditto.
8203 * java/parse-scan.y: Ditto.
8204 * java/lex.c: Ditto.
8205 * java/lex.h: Ditto.
8206 * cfgloopmanip.c: Ditto.
8207 * postreload-gcse.c: Ditto.
8208 * tree-ssa-loop-manip.c: Ditto.
8209 * postreload.c: Ditto.
8210 * tree-ssa-loop-ch.c: Ditto.
8214 * diagnostic.c: Ditto.
8216 * genoutput.c: Ditto.
8218 * cfghooks.c: Ditto.
8219 * cfgloopanal.c: Ditto.
8220 * objc/objc-act.c: Ditto.
8222 * genextract.c: Ditto.
8223 * genautomata.c: Ditto.
8224 * pretty-print.c: Ditto.
8226 * cgraphunit.c: Ditto.
8229 * haifa-sched.c: Ditto.
8230 * dominance.c: Ditto.
8232 * tree-ssa-loop-ivopts.c: Ditto.
8234 * mode-switching.c: Ditto.
8235 * modulo-sched.c: Ditto.
8237 * ipa-pure-const.c: Ditto.
8239 * fix-header.c: Ditto.
8241 * tree-stdarg.c: Ditto.
8242 * ipa-utils.c: Ditto.
8243 * loop-init.c: Ditto.
8244 * ipa-inline.c: Ditto.
8247 * alloc-pool.c: Ditto.
8248 * dwarf2out.c: Ditto.
8250 * genattrtab.c: Ditto.
8251 * tree-ssa-loop-ivcanon.c: Ditto.
8255 * fortran/gfortranspec.c: Ditto.
8257 * local-alloc.c: Ditto.
8258 * langhooks.c: Ditto.
8259 * function.c: Ditto.
8260 * tree-vectorizer.c: Ditto.
8262 * ipa-type-escape.c: Ditto.
8264 * tree-if-conv.c: Ditto.
8267 * tree-data-ref.c: Ditto.
8268 * loop-unroll.c: Ditto.
8269 * treelang/treetree.c: Ditto.
8272 * ggc-common.c: Ditto.
8274 * coverage.c: Ditto.
8276 * tree-cfgcleanup.c: Ditto.
8277 * tree-ssa-pre.c: Ditto.
8278 * cfgcleanup.c: Ditto.
8279 * loop-invariant.c: Ditto.
8281 * ipa-prop.c: Ditto.
8282 * print-tree.c: Ditto.
8283 * conflict.c: Ditto.
8284 * ggc-page.c: Ditto.
8285 * sched-deps.c: Ditto.
8286 * regclass.c: Ditto.
8287 * tree-object-size.c: Ditto.
8289 * bb-reorder.c: Ditto.
8290 * resource.c: Ditto.
8291 * var-tracking.c: Ditto.
8293 * df-problems.c: Ditto.
8294 * reg-stack.c: Ditto.
8297 * sched-rgn.c: Ditto.
8298 * tree-ssa-structalias.c: Ditto.
8299 * tree-ssa-reassoc.c: Ditto.
8300 * config/darwin-c.c: Ditto.
8301 * config/darwin.c: Ditto.
8302 * config/arm/arm.c: Ditto.
8304 * collect2.c: Ditto.
8307 2006-01-31 Nicolas Pitre <nico@cam.org>
8309 * arm.md (smaxsi3): Make aware of smax_m1.
8312 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8314 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8316 2006-01-31 Richard Guenther <rguenther@suse.de>
8318 * doc/invoke.texi (-msselibm): Document.
8319 * target.h (expand_library_builtin): New target hook.
8320 * builtins.c (expand_builtin): Use expand_library_builtin.
8321 (default_expand_library_builtin): New function.
8322 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8323 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8324 (link_gcc_math_spec): Declare.
8325 (static_specs): Add link_gcc_math_spec.
8326 * expr.h (default_expand_library_builtin): Declare.
8327 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8328 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8329 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8330 * config/i386/i386.opt (msselibm): New target option.
8331 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8332 (ix86_init_sse_abi_builtins): New function.
8333 (ix86_expand_library_builtin): Likewise.
8334 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8335 (override_options): Handle error conditions wrt -msselibm.
8336 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8337 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8338 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8341 2006-01-31 Richard Guenther <rguenther@suse.de>
8342 Paolo Bonzini <bonzini@gnu.org>
8344 * doc/install.texi (--disable-libgcc-math): Document.
8346 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8348 * expr.h (expand_normal): new inline function.
8349 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8351 * dwarf2out.c: use it.
8356 * config/sparc/sparc.c: use it.
8357 * config/i386/i386.c: use it.
8358 * config/rs6000/rs6000.c: use it.
8359 * config/arm/arm.c: use it.
8360 * config/mips/mips.c: use it.
8361 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8363 2006-01-30 Roger Sayle <roger@eyesopen.com>
8365 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8366 argv to the appropriate type.
8368 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8370 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8373 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8376 * config/s390/s390.c (struct machine_function): New flag
8377 decomposed_literal_pool_addresses_ok_p.
8378 (s390_reorg): Set it before final stage of literal pool transforms.
8379 (s390_decompose_address): Only accept displacements of the form
8380 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8382 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8384 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8385 the comparison routine return.
8387 2006-01-30 Michael Matz <matz@suse.de>
8389 * global.c (find_reg): Only evict for global regs.
8390 Take n_refs into account and dump more info.
8392 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8395 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8396 (pragma_trap, pragma_nosave_low_regs): Likewise.
8397 (current_function_anonymous_args): Likewise.
8398 (sh_deferred_function_attributes): New variable.
8399 (sh_deferred_function_attributes_tail): Likewise.
8400 (print_operand): For '@', look up trap_exit attribute.
8401 (calc_live_regs): Look up trapa_handler attribute. For trapa
8402 handlers, save/restore fpscr, but don't do any other
8403 interrupt-specific saves.
8404 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8405 Fix check for partially saved registers to check for SHmedia.
8406 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8407 (sh_output_function_epilogue): Don't clear any of the removed
8409 (sh_insert_attributes): Don't check pragma_interrupt.
8410 Insert deferred attributes. Check that interrupt attribute is
8411 present for other attributes that require its presence.
8412 (sh_attribute_table): Add new attributes trapa_handler and
8414 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8415 Don't check for pragma_interrupt. Don't store argument.
8416 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8417 (sh_deferred_function_attributes): Declare.
8418 (sh_deferred_function_attributes_tail): Likewise.
8419 * sh.md (sp_switch_1): Add operand. Change generator caller.
8420 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8421 (*return_i): Don't use when trap_exit attribute is in effect.
8422 (*return_trapa): New insn pattern.
8424 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8425 setting c_target_objs and cxx_target_objs.
8426 * t-sh: Add rule for sh-c.o.
8428 2006-01-30 Richard Guenther <rguenther@suse.de>
8431 * gimplify.c (gimplify_target_expr): Handle easy cases
8432 without creating a temporary.
8434 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8436 * vec.h (safe_grow): Remove duplicated line.
8438 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8441 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8442 (expand_omp): ... here.
8443 (expand_omp_parallel): Only remove barriers for combined
8444 parallel+workshare constructs.
8446 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8450 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8451 * tree.c (build_qualified_type): Chain the new type to the original
8452 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8453 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8454 (build_pointer_type_for_mode): Only return unqualified types.
8455 (build_reference_type_for_mode): Likewise.
8457 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8459 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8460 * Makefile.in (CXX_COMPAT_WARN): Define.
8461 * configure: Regenerate.
8463 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8466 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8469 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8471 * toplev.c: Fix thinko.
8473 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8474 Marcin Dalecki <martin@dalecki.de>
8476 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8477 (push_srcloc): Use XNEW.
8478 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8480 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8482 * df-core.c (df_set_blocks): Deleted all variable.
8484 2006-01-28 Ian Lance Taylor <ian@airs.com>
8486 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8487 cgraph_output_pending_asms.
8489 2006-01-28 Zack Weinberg <zackw@panix.com>
8491 * c.opt: Add -W(no-)overlength-strings.
8492 * doc/invoke.texi: Document it.
8493 * c-opts.c (c_common_handle_option): -pedantic implies
8494 -Woverlength-strings, if not explicitly disabled already.
8495 (c_common_post_options): -Woverlength-strings defaults to off, and
8496 is always off for C++.
8497 * c-common.c (fix_string_type): Issue warning about strings longer
8498 than is portable only if warn_overlength_strings. Rearrange code
8499 a little for clarity.
8500 * configure.in: Check for -Wno-overlength-strings as well before
8501 enabling -pedantic in stage 1.
8502 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8503 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8505 * genconditions.c (write_header, write_one_condition)
8506 (write_conditions, write_writer): Consolidate very long strings
8507 that were broken up to fit in C89 portable limit. Don't use
8508 printf when fputs will do.
8510 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8512 * combine.c (simplify_comparison <AND>): Check
8513 TRULY_NOOP_TRUNCATION before start using a subreg.
8515 * config/mips/mips.md (*branch_zero<mode>,
8516 *branch_zero<mode>_inverted, *branch_equality<mode>,
8517 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8518 Remove mode check from comparisons.
8520 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8522 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8524 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8526 * expmed.c (const_mult_add_overflow_p): Remove.
8527 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8529 * recog.c (validate_replace_rtx_subexp): Remove.
8530 * recog.h: Remove the prototype for
8531 validate_replace_rtx_subexp.
8533 * integrate.h: Remove the prototype for
8534 copy_decl_for_inlining.
8535 * rtl.h: Remove the prototype for mark_constant_function.
8536 * tree-vectorizer.h: Remove the prototype for
8537 vect_strip_conversion.
8539 * modulo-sched.c (create_partial_schedule,
8540 free_partial_schedule, reset_partial_schedule): Make them
8543 * hooks.c (hook_bool_rtx_int_false): Remove.
8544 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8546 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8548 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8549 and -mlong-double-128 are incompatible.
8550 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8551 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8552 (TARGET_LIBGCC2_CFLAGS): Define.
8553 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8554 (TARGET_LIBGCC2_CFLAGS): Same.
8555 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8557 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8560 * c-typeck.c (build_binary_op): Perform implicit casts of
8561 operands before shortening them.
8563 * cfgloopmanip.c (split_loop_bb): Remove.
8564 * cfgloop.h: Remove the prototype for split_loop_bb.
8566 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8567 * cfgloop.h: Remove the prototype for
8568 flow_loop_outside_edge_p.
8570 * emit-rtl.c (init_virtual_regs): Make it static.
8571 * function.h: Remove the prototype for init_virtual_regs.
8573 * recog.c (peephole2_optimize): Make it static.
8574 * recog.h: Remove the prototype for peephole2_optimize.
8576 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8578 * df-scan.c (df_record_entry_block_defs): Check if
8579 INCOMING_RETURN_ADDR_RTX is defined.
8581 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8582 Kenneth Zadeck <zadeck@naturalbridge.com>
8584 PR rtl-optimization/24762
8585 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8586 * targhooks.c (hook_void_bitmap): New hook prototype.
8587 * targhoohs.h (hook_void_bitmap): Ditto.
8588 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8589 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8590 * target.h (live_on_entry): New function pointer.
8591 * df-scan.c (df_all_hard_regs): Removed.
8592 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8593 (df_scan_free_internal): Added df->entry_block_defs.
8594 (df_scan_alloc): Ditto.
8595 (df_scan_dump): Ditto.
8596 (df_uses_record): Plumbed flag field properly thru calls.
8597 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8598 This part fixes PR24762.
8599 (df_bb_refs_record): Added code to make the frame and arg
8600 pointers live in EH blocks.
8601 (df_refs_record): Added call to df_record_entry_block_defs.
8602 (df_record_entry_block_defs): New function.
8603 * df-core.c: Added comments to describe new artifical defs.
8604 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8605 (entry_block_defs): New field in struct df.
8606 (df_all_hard_regs): Deleted.
8607 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8608 * df-problems.c (df_ru_bb_local_compute_process_def):
8609 Added code to handle artifical defs in the entry to a function.
8610 (df_ru_bb_local_compute): Ditto.
8611 (df_rd_bb_local_compute_process_def): Ditto.
8612 (df_rd_bb_local_compute): Ditto.
8613 (df_lr_bb_local_compute): Ditto.
8614 (df_ur_bb_local_compute): Ditto.
8615 (df_urec_bb_local_compute): Ditto.
8616 (df_chain_create_bb): Ditto.
8617 (df_ur_local_finalize): Removed entry.
8618 (df_urec_init): Ditto.
8619 (df_urec_local_finalize): Ditto.
8620 (df_ri_bb_compute): Added detection of last use of pseudos.
8621 * Makefile.in (df-scan.o): Updated dependencies.
8622 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8623 * config/mips/mips.c (mips_set_live_on_entry): Added.
8624 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8626 * dce.c (marked_insn_p): Added code to handle artifical defs.
8628 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8630 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8632 (_mm_cvtsi128_si64): Likewise.
8633 (_mm_cvtsd_si64): Likewise.
8634 (_mm_cvttsd_si64): Likewise.
8635 (_mm_cvtsi64_sd): Likewise.
8636 (_mm_cvtsi64_si128): Likewise.
8637 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8638 (_mm_cvtsi64_m64): Likewise.
8639 (_m_to_int64): Likewise.
8640 (_mm_cvtm64_si64): Likewise.
8641 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8642 (_mm_cvttss_si64): Likewise.
8643 (_mm_cvtsi64_ss): Likewise.
8644 (_mm_cvtss_f32): Likewise.
8646 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8648 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8649 for pragma redefine_extname.
8651 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8654 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8655 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8656 -mno-minimal-toc to previous content.
8657 (bispecs): Remove goal.
8658 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8659 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8660 compatibility aliases on powerpc-*-*gnu*.
8661 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8662 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8663 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8664 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8665 (ldblspecs): New goal.
8666 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8667 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8669 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8670 L_sf_to_tf or L_df_to_tf is defined.
8672 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8673 Alan Modra <amodra@bigpond.net.au>
8676 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8677 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8678 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8679 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8680 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8681 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8682 (rs6000_override_options): Initialize rs6000_ieeequad.
8683 Initialize TFmode format to ibm_extended_format if not
8685 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8687 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8688 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8689 (function_arg_advance): IBM long double passed in two FPRs, not
8691 (function_arg): IBM long double passed in FPRs.
8692 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8693 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8694 Only multireg GPR aligned.
8695 (rs6000_init_libfuncs): Enable IBM long double functions if not
8697 (rs6000_generate_compare): Use IBM long double compare if not
8699 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8700 (TARGET_IEEEQUAD): Define.
8701 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8702 not TARGET_IEEEQUAD.
8703 * config/rs6000/rs6000.md: Enable TFmode patterns if
8705 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8706 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8707 and -mlong-double-128 are incompatible.
8708 * doc/invoke.texi (-mabi): Collect options together. Add
8709 ibmlongdouble and ieeelongdouble.
8711 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8713 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8715 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8716 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8717 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8718 * rtl.h (rtunion_def): Remove rt_ptr.
8720 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8721 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8722 * config/i386/winnt.c (i386_pe_mark_dllexport)
8723 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8725 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8727 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8729 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8733 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8734 pthread_key_delete. From John David Anglin. gthrw-ify
8735 pthread_getunique_np only if it it's not a macro. Delete
8737 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8738 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8739 __gthread_objc_condition_signal, __gthread_key_delete): Add
8740 "__attribute__ ((__unused__))" to unused arguments.
8741 (__gthread_recursive_mutex_init_function): Add missing return.
8742 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8743 gthr-posix95.h: Use macro-based approach for name redirection
8744 on targets missing weakref.
8746 2006-01-26 Zack Weinberg <zackw@panix.com>
8748 * genconditions.c (write_header): In generated code, #ifdef out
8749 all includes and fake declarations, except includes of bconfig.h
8750 and system.h, unless GCC_VERSION >= 3001. Do not include
8751 gensupport.h in any case.
8752 (write_conditions): Generate a definition of struct c_test. Add
8753 a comment to the generated #endif.
8754 (write_one_condition): Escape backslashes in string too.
8755 (write_writer): Generated code must escape backslashes and quote
8756 marks (but not newlines) in the strings it writes.
8757 * Makefile.in (build/gencondmd.o): Update dependencies.
8759 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8762 * Makefile.in (insn-automata.o): Add header file dependencies.
8763 * genautomata.c: Add includes.
8765 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8768 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8770 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8772 * configure.ac: Expect target tools paths to be passed from the toplevel
8773 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8775 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8777 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8780 * c.opt (Wpointer-sign): Init to -1.
8781 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8782 OPT_pedantic, to 0 otherwise.
8783 * doc/invoke.texi: Update.
8785 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8787 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8788 constants provided by 80387 instructions in the destination mode.
8790 2006-01-26 Richard Guenther <rguenther@suse.de>
8791 Andrew Pinski <pinskia@physics.uc.edu>
8794 partial PR tree-opt/17064
8795 * tree-ssa-structalias.c (intra_create_variable_infos):
8796 Create heap variables for incoming parameters if
8797 flag_argument_noalias > 1.
8798 (find_what_p_points_to): Look through default defs of
8801 2006-01-26 Jeff Law <law@redhat.com>
8804 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8805 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8806 within the VR_RANGE, use the VR_RANGE as the result, not the
8808 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8809 bounds for the type.
8811 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8813 * tree-ssa-alias.c (maybe_create_global_var): Change
8814 subvar walking to an assertion that we don't have subvar'd variables.
8816 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8819 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8820 Use a new variable, inner. PARM_DECLs are always non-weak.
8822 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8824 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8827 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8829 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8831 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8833 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8834 (smax_insn, smin_insn, smax_0, smin_0): New.
8836 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8839 * config/cris/cris.c (cris_order_for_addsi3): New function.
8840 * config/cris/cris-protos.h: Prototype it.
8841 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8842 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8843 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8844 (split for "op.S1 [rx=rx+i],ry (swapped)")
8845 (split for "op(s|u).S1 [rx=rx+i],ry")
8846 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8847 Apply cris_order_for_addsi3 when generating addsi3 insns.
8849 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8851 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8852 (TREE_BLOCK): Add call to EXPR_CHECK.
8854 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8857 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8858 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8859 (dump_omp_clauses): ... here.
8860 (dump_generic_node): Handle OMP_CLAUSE.
8861 * tree.c (omp_clause_num_ops): New.
8862 (omp_clause_code_name): New.
8863 (tree_code_size): Handle OMP_CLAUSE.
8864 (tree_size): Likewise.
8865 (make_node): Document handling of OMP_CLAUSE.
8866 (tree_node_structure): Handle OMP_CLAUSE.
8867 (omp_clause_check_failed): New.
8868 (omp_clause_range_check_failed): New.
8869 (omp_clause_operand_check_failed): New.
8870 (build_omp_clause): New.
8871 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8872 * tree.h (enum omp_clause_code): Declare.
8873 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8874 (OMP_CLAUSE_RANGE_CHECK): Define.
8875 (OMP_CLAUSE_ELT_CHECK): Define.
8876 (omp_clause_check_failed): Declare.
8877 (omp_clause_operand_check_failed): Declare.
8878 (omp_clause_range_check_failed): Declare.
8879 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8880 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8881 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8882 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8883 (OMP_CLAUSE_IF_EXPR): Likewise.
8884 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8885 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8886 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8887 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8888 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8889 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8890 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8891 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8892 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8893 (OMP_CLAUSE_CODE): Define.
8894 (OMP_CLAUSE_SET_CODE): Define.
8895 (OMP_CLAUSE_CODE): Define.
8896 (OMP_CLAUSE_OPERAND): Define.
8897 (struct tree_omp_clause): Declare.
8898 (union tree_node): Add field 'omp_clause'.
8899 * treestruct.def (TS_OMP_CLAUSE): Define.
8900 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8901 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8902 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8903 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8904 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8905 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8906 (OMP_CLAUSE): Define.
8907 * print-tree.c (print_node): Handle OMP_CLAUSE.
8908 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8909 * c-typeck.c: Likewise.
8910 * gimplify.c: Likewise.
8911 * c-omp.c: Likewise.
8912 * tree-nested.c: Likewise.
8913 * tree-inline.c: Likewise.
8914 * c-parser.c: Likewise.
8915 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8918 2006-01-25 Roger Sayle <roger@eyesopen.com>
8920 PR rtl-optimization/25703
8921 * combine.c (try_combine): Handle zero_extract and strict_low_part
8922 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8924 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8926 * global.c: Fix comment typos.
8928 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8931 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8932 Use output_addr_const instead of assemble_name.
8934 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8936 * Makefile.in (sched-vis.o): Update dependencies.
8937 * haifa-sched.c (sched_finish): Clear current_sched_info.
8938 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8939 (dump_flow_info): Call it.
8940 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8942 * basic-block.h (dump_bb_info): Declare.
8943 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8944 option, and apply options only for dump files whose TDF_RTL,
8945 TDF_TREE, or TDF_IPA bits match.
8946 * rtl.h: Declare new functions exported from sched-vis.c.
8947 * sched-vis.c: Enable also if scheduling is not used.
8948 (print_value): Print the mode of registers if not inside scheduling.
8949 (print_insn): Make it work outside the scheduler. Beautify the output
8951 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8953 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8955 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8956 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8957 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8958 depending on the value of CONSTANT_POOL_ADDRESS_P.
8959 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8961 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8962 rather than SYMBOL_REF_DECL.
8963 (rtx_constant_pool): Remove const_rtx_sym_htab.
8964 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8965 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8966 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8967 Remove handling of const_rtx_sym_htab.
8968 (find_pool_constant): Delete.
8969 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8970 rather than find_pool_constant.
8971 (get_pool_constant_for_function): Delete.
8972 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8974 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8975 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8976 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8977 (SYMBOL_REF_CONSTANT): New macro.
8978 (get_pool_constant_for_function): Delete.
8979 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8980 rather than SYMBOL_REF_DECL.
8981 (i386_pe_mark_dllimport): Likewise.
8982 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8983 rather than SYMBOL_REF_DECL.
8984 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8985 (machopic_indirect_call_target): Likewise.
8987 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8989 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8991 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8993 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8995 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8997 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8999 2006-01-24 David Daney <ddaney@avtrex.com>
9002 * configure.ac (enable_tls): New enable option.
9003 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9004 * configure: Regenerate.
9005 * doc/install.texi (--enable-tls): Document new option.
9006 (--disable-tls): Ditto.
9008 2006-01-24 Richard Henderson <rth@redehat.com>
9010 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9011 * alias.c (true_dependence): Respect it.
9012 (canon_true_dependence, write_dependence_p): Likewise.
9013 * builtins.c (get_builtin_sync_mem): Set it.
9015 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9017 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9020 2006-01-24 DJ Delorie <dj@redhat.com>
9022 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9023 for storing constants in single-bit bitfields.
9025 2006-01-25 Ben Elliston <bje@au.ibm.com>
9027 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9029 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9032 * tree-ssa-pre.c (phi_translate): Return NULL
9033 for AGGREGATE_TYPE's.
9035 2006-01-24 Zack Weinberg <zackw@panix.com>
9037 * genautomata.c (process_state_for_insn_equiv_partition):
9038 Use xcalloc for insn_arcs_array.
9039 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9040 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9042 2006-01-24 Richard Henderson <rth@redhat.com>
9044 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9047 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9049 PR rtl-optimization/25890
9050 PR rtl-optimization/25905
9051 * combine.c (expand_compound_operation, expand_field_assignment):
9052 Fail if the bitfield's final position is out of bounds.
9054 2006-01-24 Ian Lance Taylor <ian@airs.com>
9057 * cgraphunit.c (cgraph_output_in_order): Don't clear
9058 cgraph_asm_nodes until after asm strings have been output.
9060 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9062 * fix-header.c (read_scan_file): Add new parameter imultilib when
9063 calling register_include_chains.
9065 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9067 * omp-low.c: Update documentation.
9069 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9070 Daniel Berlin <dberlin@dberlin.org>
9074 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9075 return from the function.
9077 2006-01-22 Zack Weinberg <zackw@panix.com>
9079 * rtl.def (match_code): Add second argument.
9080 * genpreds.c (write_extract_subexp): New function.
9081 (write_match_code): Add path argument. Use write_extract_subexp.
9082 (write_predicate_expr): Pass path to write_match_code.
9083 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9084 not perform a mode test.
9085 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9086 a subexpression does not constrain the top-level code set.
9087 * read-rtl.c (read_rtx_variadic): New function.
9088 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9089 * doc/md.texi: Document new notation.
9090 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9091 (cmpsi_operand): ... here, using new notation.
9093 2006-01-22 Zack Weinberg <zackw@panix.com>
9095 * varray.c: Remove GENERATOR_FILE #ifdefs.
9097 2006-01-22 Zack Weinberg <zackw@panix.com>
9099 * genautomata.c (output_reserved_units_table): Emit nothing if
9100 description->query_units_num is zero. Remove extra blank line.
9101 (output_cpu_unit_reservation_p): Short circuit
9102 if description->query_units_num is zero.
9104 2006-01-22 Zack Weinberg <zackw@panix.com>
9106 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9107 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9108 nor any of the random handful of variables that used to be necessary
9109 when this program was linked with rtlanal.o. Prune set of forward
9110 function declarations.
9111 (struct attr_desc): Remove static_p field.
9112 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9113 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9114 (attr_string): Do not read the character one past the length of
9116 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9117 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9118 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9119 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9120 (make_automaton_attrs): New.
9121 (main): Do not call into genautomata. Call local gen_bypass
9122 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9123 Remove special case for insn_alts.
9124 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9125 varray.h (leftover from previous change). Prune set of forward
9126 function declarations. Remove state_alts fields from all
9127 structures. Remove state_alts_table from struct automaton.
9128 Make everything except main static. Do not maintain num_dfa_decls.
9129 Do not maintain state_alts fields of various structures.
9130 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9131 (add_arc): Remove state_alts argument. All callers updated.
9132 (output_reserved_units_table): Emit #ifdef here...
9133 (output_tables): ...not here. Don't generate state_alts tables.
9134 (expand_automata): Don't generate attributes.
9135 (write_automata): Don't generate state_alts functions.
9136 (main): New function.
9137 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9138 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9139 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9140 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9141 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9142 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9143 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9144 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9146 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9147 * genattrtab.h: Delete file.
9148 * Makefile.in (OBJS-common): Add insn-automata.o.
9149 (insn-automata.o): New rule.
9150 (simple_generated_c): Add insn-automata.c.
9151 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9152 (genprogmd): Add automata.
9153 (build/genattrtab): Needs no extra objects nor libraries.
9154 (build/genautomata): Needs build/vec.o and -lm.
9156 2006-01-22 Zack Weinberg <zackw@panix.com>
9158 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9159 (output_dfa_max_issue_rate, locked_states_num): Delete.
9160 (struct automaton): Add locked_states field.
9161 (output_dead_lock_vect): Save number of locked states in
9162 automaton->locked_states. If it is zero, don't print anything.
9163 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9164 (output_internal_dead_lock_func): Only test the dead_lock_vect
9165 for automata that have locked states.
9166 (output_statistics): Always print the number of locked states for
9167 each automaton. Calculate total number of locked states here.
9168 (write_automata): Don't call output_dfa_max_issue_rate.
9169 * genattrtab.c: Define length_unit_log as a const variable.
9170 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9171 max_insn_queue_index const.
9172 * final.c (length_unit_log): Declare const.
9173 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9175 2006-01-22 Zack Weinberg <zackw@panix.com>
9177 * genautomata.c: Include vec.h, not varray.h.
9178 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9179 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9180 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9181 VEC_* macros operating on appropriately typed vectors, or to
9182 malloced arrays when the size is known in advance. Const-ify
9183 many char* variables and function arguments. No functional changes.
9184 * Makefile.in (build/varray.o): Delete rule.
9185 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9186 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9188 2006-01-22 Zack Weinberg <zackw@panix.com>
9190 * gensupport.c: Define get_insn_name and record_insn_name here.
9191 (read_md_rtx): Call record_insn_name as appropriate.
9192 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9193 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9194 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9196 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9197 (BUILD_VARRAY): Delete.
9198 (genprognormal): Rename genprogmd. Fold in all programs from
9199 genprognoprint; also attrtab.
9200 (build/genattrtab): Just mention genautomata.o and varray.o.
9201 Reorganize a bit, add comments to make the categories clearer.
9203 2006-01-22 Zack Weinberg <zackw@panix.com>
9205 * genconditions.c (condition_table, add_condition): Delete.
9206 (write_conditions): Don't emit n_insn_conditions nor
9207 insn_elision_unavailable. Issue the gcc version #ifdef here,
9208 inside the table, with no #else clause ...
9209 (write_header): ...not here.
9210 (write_writer): New function.
9211 (main): Don't initialize condition_table. Use add_c_test.
9213 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9214 files on the command line.
9215 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9216 Return -1 if there is no entry in the table, don't abort.
9217 (add_c_test, traverse_c_tests): New functions.
9218 * gensupport.h (insn_elision_unavailable, insn_conditions)
9219 (n_insn_conditions): Delete declarations.
9220 (add_c_test, traverse_c_tests): Declare.
9221 * read-rtl.c: Include gensupport.h.
9222 (read_conditions): New function.
9223 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9224 (read_rtx_1): If we get EOF when we were looking for an initial
9225 open paren, return 0. Call read_conditions when appropriate.
9226 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9227 dummy-conditions.o. Eliminate references to insn-conditions.o,
9228 or change them to build/gencondmd.o, as appropriate. Remove
9229 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9230 from $(simple_generated_c). For all files remaining in those
9231 two lists, add insn-conditions.md to the generator command line.
9232 Give insn-constants.h/s-constants their own rules. Add rules
9233 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9234 (build/read-rtl.o): Depend on gensupport.h.
9235 (genprognormal): Include preds.
9236 (genprogearly): Rename genprognoprint; only difference is now that
9237 they don't link with $(BUILD_PRINT).
9238 * dummy-conditions.c: Delete.
9240 2006-01-22 Zack Weinberg <zackw@panix.com>
9242 * genextract.c: Don't include insn-config.h. Do include vec.h.
9243 Declare vectors of int, char, and locstr.
9244 (locstr): New typedef.
9245 (struct extraction): Make all array fields into bare pointers.
9246 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9247 (insn_code_number): Delete.
9248 (accum_extract): New struct.
9249 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9250 (gen_insn): Take insn_code_number as an argument. Use an
9251 accum_extract structure instead of loading data directly into
9252 a struct extraction, and having to know how big it might get.
9253 (walk_rtx): Operate entirely on an accum_extract structure.
9254 (print_path): Avoid unnecessary use of printf.
9255 (print_header): New function, split out of main. Distinguish
9256 more carefully between an unrecognizable insn and an insn that
9257 has the code number of a define_expand.
9258 (main): Pass insn_code_number to gen_insn. Call print_header
9259 only after parsing. Avoid unnecessary use of printf.
9260 * Makefile.in (build/vec.o): New rule.
9261 (build/genextract): Depend on build/vec.o.
9262 (build/genextract.o): Don't depend on insn-config.h.
9264 2006-01-22 Zack Weinberg <zackw@panix.com>
9266 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9267 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9268 practical. Eliminate per-generator-program link rules.
9270 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9273 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9274 with a call expr to ...
9275 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9277 2006-01-23 Richard Guenther <rguenther@suse.de>
9279 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9280 before make_edge with conditional EDGE_TRUE_VALUE.
9282 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9283 Jan Hubicka <jh@suse.cz>
9284 Richard Guenther <rguenther@suse.de>
9286 PR rtl-optimization/25654
9287 * cfgexpand.c (aggregate_contains_union_type): New function.
9288 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9289 for structure variables that contain a union type.
9291 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9293 * gengtype.c (new_structure): Return the structure.
9294 (create_option): Add an extra "next" argument.
9295 (create_field): New function.
9296 (adjust_field_rtx_def): Use create_option and create_field.
9297 Remove a now-unnecessary call to find_structure.
9298 (adjust_field_tree_def): Likewise.
9299 (note_yacc_type): Remove an unnecessary call to find_structure.
9300 * gengtype.h (new_structure): Return the structure.
9301 (create_option): Add an extra argument.
9302 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9303 (option): Adjust calls to create_option.
9305 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9307 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9309 2006-01-22 Paul Brook <paul@codesourcery.com>
9310 Peter Barada <peter@the-baradas.com>
9312 * config/m68k/m68k.md: Add Coldfire FPU support.
9313 Define FP mode macro and associated attributes.
9314 Use it for float mode patterns.
9315 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9316 (LIBCALL_VALUE): Use m68k_libcall_value.
9317 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9318 (m68k_function_value): Ditto.
9319 (emit_move_sequence): Ditto.
9320 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9321 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9322 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9323 (MULTILIB_EXCEPTIONS): Ditto.
9324 * config/m68k/m68k.opt: Add mcfv4e.
9325 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9326 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9327 (m68k_output_function_prologue): Save ColdFire FPU registers.
9328 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9329 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9330 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9331 ColdFire FPU registers.
9332 (m68k_libcall_value, m68k_function_value): New functions.
9333 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9334 (LIBCALL_VALUE): Use m68k_libcall_value.
9335 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9336 (MASK_COLDFIRE): Add MASK_CFV4E.
9337 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9338 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9339 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9340 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9341 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9342 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9343 * doc/invoke.tex: Document -mcfv4e on m68k.
9345 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9347 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9350 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9353 * c-opts.c (c_common_handle_option): Don't include
9354 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9355 * doc/invoke.texi (C++ Dialect Options): Document that
9356 -Wnon-virtual-dtor is no longer included in -Wall.
9358 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9360 * gcov.c (print_version), gcov-dump.c (print_version),
9361 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9364 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9366 * df-scan.c (problem_SCAN): Added NULL reset function.
9367 (df_scan_reset_blocks): Added code to call reset block function
9368 (df_bb_refs_delete) Fixed comment.
9369 (df_insn_refs_delete): Made tolerant of deleting non existent info
9370 for dataflow problems that need to be reset.
9371 * df-core.c (df_set_blocks): Ditto.
9372 * df.h (struct df_problem): Added reset_fun.
9373 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9374 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9375 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9376 functions to clear out all references to def-use or use-def chains.
9378 2006-01-21 Ben Elliston <bje@au.ibm.com>
9380 * varasm.c (assemble_real): Initialise data array.
9382 2006-01-20 Paul Brook <paul@codesourcery.com>
9384 Merge from csl-arm-branch.
9385 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9386 * config/arm/arm.md (movdi): Force operands[1] to a register
9387 if we have a non-register source.
9388 (*arm_movdi, *movdf_soft_insn): Require that one of the
9389 operands be a register.
9390 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9391 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9393 2006-01-20 DJ Delorie <dj@redhat.com>
9395 * varasm.c (initialize_constant_valid_p): Allow pointers
9396 initialized from integer constants of lesser precision.
9397 (output_constant): Allow non-int-sized pointer modes to be
9398 initialized from integer constants.
9400 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9403 * cppdefault.h (struct default_include): Add multilib flag.
9404 * cppdefault.c (cpp_include_defaults): Set it.
9405 * c.opt (-imultilib): New option.
9406 * c-opts.c (imultilib): New.
9407 (c_common_handle_option): Handle -imultilib.
9408 (c_common_post_options): Likewise.
9409 * c-incpath.c (add_standard_paths, register_include_chains):
9411 * c-incpath.h (register_include_chains): Add extra parameter.
9412 * gcc.c (do_spec_1): Generate -imultilib option.
9413 (The Specs Language): Update %I description.
9414 (process_command): Update copyright notice.
9415 * doc/cppopts.texi (-imultilib): Document.
9416 * doc/invoke.texi (-imultilib): Include in option summary.
9417 (%I): Update specs documentation.
9419 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9421 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9423 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9425 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9428 2006-01-20 Richard Guenther <rguenther@suse.de>
9429 Steven Bosscher <stevenb.gcc@gmail.com>
9431 PR rtl-optimization/24626
9432 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9433 EDGE_TRUE_VALUE if in RTL mode.
9436 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9437 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9439 2006-01-20 Dirk Mueller <dmueller@suse.com>
9442 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9443 instead of a special NOP marker.
9444 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9445 NOP marker handling.
9446 * c-common.h (empty_body_warning): Add forward declaration.
9447 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9448 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9450 2006-01-20 Paul Brook <paul@codesourcery.com>
9452 * Makefile.in (lang_checks): Keep going if mkdir fails.
9454 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9456 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9457 be able to clean out basic block when not necessary.
9458 (df_scan_free): Fixed to properly delete information if df is
9459 unused before calling df_finish.
9460 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9461 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9463 (df_bb_refs_delete): New function.
9464 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9465 * df-core.c (df_set_blocks): Added code to properly clean out
9466 unused blocks if they are not part of the blocks to consider.
9467 Added additional null check.
9468 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9469 be able to clean out basic block when not necessary
9470 * df.h (df_free_bb_function): Ditto.
9471 (df_bb_refs_delete): New function.
9472 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9473 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9474 basic block parameter to be able to clean out basic block when not
9476 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9477 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9478 Fixed to properly delete information if df is unused before
9481 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9483 PR rtl-optimization/25799
9484 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9485 Corrected confluence operator to remove bits from op2 before oring
9486 with op1 rather than removing bits from op1.
9487 (df_ru_transfer_function): Corrected test on wrong bitmap which
9488 caused infinite loop. Both of these problems were introduced in
9489 the dataflow rewrite.
9491 2006-01-19 DJ Delorie <dj@redhat.com>
9493 * reload1.c (find_reload_regs): Note the details of reload
9494 failures in the dump file.
9495 (spill_failure): Likewise.
9497 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9499 * loop-iv.c: Include df.h and hashtab.h.
9500 (enum iv_grd_result): New enum.
9501 (DF_REF_IV, DF_REF_IV_SET): New macros.
9502 (struct biv_entry): New.
9503 (df, bivs): New global variables.
9504 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9505 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9507 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9508 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9509 analyzed_for_bivness_p, record_biv): New functions.
9510 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9511 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9512 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9514 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9516 (iv_number_of_iterations): Use new interface to iv analysis.
9517 * loop-unroll.c: Do not include varray.h.
9518 (analyze_iv_to_split_insn): Use new interface to iv
9520 * loop-unswitch.c (may_unswitch_on): Ditto.
9521 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9523 (df_bb_modify): Realloc tables to the new index.
9524 (df_find_use): New function.
9525 * df.h (df_find_use): Declare.
9526 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9528 * cfgloop.h (struct rtx_iv): Remove analysed field.
9529 (iv_get_reaching_def): Removed.
9530 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9531 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9532 (loop-iv.o): Add df.h and hashtab.h dependency.
9533 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9535 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9538 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9540 (__floatundisf, __floatundidf): Likewise.
9541 * libgcc2.h (IS_IBM_EXTENDED): Define.
9543 2006-01-19 DJ Delorie <dj@redhat.com>
9545 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9547 2006-01-19 Paul Brook <paul@codesourcery.com>
9549 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9550 as nothrow when unwinding tables are disabled.
9552 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9555 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9556 of bit-field" when in system header.
9558 2006-01-19 DJ Delorie <dj@redhat.com>
9560 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9561 the 16 bit shift limit of the m16c.
9563 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9566 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9567 * config/i386/i386.c (output_set_got): Output the label if we have one
9568 for the TARGET_DEEP_BRANCH_PREDICTION case.
9570 2006-01-19 Jan Hubicka <jh@suse.cz>
9571 H.J. Lu <hongjiu.lu@intel.com>
9572 Evandro Menezes <evandro.menezes@amd.com>
9574 * invoke.texi (generic): Document
9576 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9577 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9578 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9579 (x86_use_incdec, x86_pad_returns): New variables
9580 (TARGET_CPU_DEFAULT_generic): New constant
9581 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9582 (enum processor_type): Add generic32 and generic64.
9583 * i386.md (cpu attribute): Add generic32/generic64
9584 (movhi splitter): Behave sanely when both partial_reg_dependency and
9585 partial_reg_stall are set.
9586 (K8 splitters): Enable for generic as well.
9587 * predicates.md (incdec_operand): Use TARGET_INCDEC
9588 (aligned_operand): Avoid memory mismatch stalls.
9589 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9590 * ppro.md: Enable for generic32
9591 * i386.c (generic64_cost, generic32_cost): New.
9592 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9593 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9594 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9595 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9596 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9597 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9598 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9599 x86_accumulate_outgoing_args, x86_prologue_using_move,
9600 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9601 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9603 (x86_use_incdec, x86_pad_returns): New.
9604 (override_options): Add generic32 and generic64, translate "generic"
9605 to generic32/generic64 and "i686" to "generic32", refuse
9606 "generic32"/"generic64" as arch target.
9607 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9608 (ix86_reorg): Honor PAD_RETURNS.
9610 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9612 * tree-pretty-print.c (dump_generic_node): Handle
9613 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9614 * cgraph.c (cgraph_expand_queue): Rename from
9615 cgraph_analyze_queue. Update all users.
9616 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9617 cgraph_expand_queue.
9618 (cgraph_expand_all_functions): Likewise.
9619 (cgraph_finalize_pending_functions): Remove. Update callers.
9621 * tree.h (OMP_DIRECTIVE_P): Define.
9622 (OMP_PARALLEL_FN): Define.
9623 (OMP_PARALLEL_DATA_ARG): Define.
9624 (OMP_SECTIONS_SECTIONS): Define.
9625 * tree-pass.h (pass_expand_omp): Declare.
9626 * omp-low.c (struct omp_region): Declare.
9627 (struct omp_context): Remove fields 'parallel_type',
9628 'parallel_start_ix' and 'parallel_start_additional_args'.
9630 (struct omp_for_data): Rename from struct expand_omp_for_data.
9631 (omp_regions): New static variable.
9632 (root_omp_region): New static variable.
9633 (find_omp_clause): Make static.
9634 (is_in_combined_parallel_ctx): Remove.
9635 (is_combined_parallel): New.
9636 (extract_omp_for_data): Move earlier in the file.
9637 (workshare_safe_to_combine_p): New.
9638 (get_ws_args_for): New.
9639 (determine_parallel_type): Move earlier in the file.
9640 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9642 (omp_copy_decl): Likewise.
9643 (create_omp_child_function): Likewise.
9644 (lookup_omp_region): New.
9645 (dump_omp_region): New.
9646 (debug_omp_region): New.
9647 (debug_all_omp_regions): New.
9648 (new_omp_region): New.
9649 (scan_omp_parallel): If parallel_nesting_level > 1, the
9650 directive is nested within another parallel directive.
9651 Set OMP_PARALLEL_FN.
9652 (scan_omp_for): Do not try to handle combined parallel+for
9654 Remove FIXME comment.
9655 (scan_omp_nested): Remove.
9656 (scan_omp_1): Do not call scan_omp_nested when
9657 parallel_nesting_level is > 1.
9658 Do not change the DECL_CONTEXT of local variables found.
9659 (lookup_decl_in_outer_ctx): New.
9660 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9661 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9662 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9663 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9664 If CTX is nested, lookup VAR in the outer context when
9665 building copy assignment.
9666 (lower_send_clauses): Rename from expand_send_clauses.
9667 If CTX is nested, lookup VAR in the outer context when
9668 building copy assignments.
9669 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9670 If CTX is nested, lookup VAR in the outer context when
9671 building copy assignments.
9672 (expand_parallel_call): Rename from build_parallel_call.
9673 Handle combined parallel+workshare cases.
9674 Re-implement to emit code into the CFG.
9676 (expand_omp_parallel): Re-implement to emit code into the CFG.
9677 Call move_sese_region_to_fn to outline the sub-graph
9678 containing the parallel region.
9679 (expand_omp_for_1): Remove.
9680 (expand_omp_for_generic): Re-implement to emit code into the
9682 (expand_omp_for_static_nochunk): Likewise.
9683 (expand_omp_for_static_chunk): Likewise.
9684 (expand_omp_for): Likewise.
9685 (expand_omp_sections): Likewise.
9686 (remove_exit_barriers): New.
9687 (expand_omp_synch): New.
9689 (build_omp_regions_1): New.
9690 (build_omp_regions): New.
9691 (execute_expand_omp): New.
9692 (gate_expand_omp): New.
9693 (pass_expand_omp): Define.
9694 (lower_omp_sections): Rename from expand_omp_sections.
9695 Set OMP_SECTIONS_SECTIONS.
9696 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9697 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9698 (lower_omp_single): Rename from expand_omp_simple.
9699 (lower_omp_master): Rename from expand_omp_master.
9700 (lower_omp_ordered): Rename from expand_omp_ordered.
9701 (lower_omp_critical): Rename from expand_omp_critical.
9702 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9703 (lower_omp_for): Re-implement.
9704 (lower_omp_parallel): Re-implement.
9705 (lower_regimplify): Rename from expand_regimplify.
9706 (lower_omp_1): Rename from expand_omp_1.
9707 If there are syntax errors in the program, replace every
9708 OpenMP directive with NOP.
9709 Call lower_omp_* instead of expand_omp_*.
9710 (lower_omp): Rename from expand_omp.
9712 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9713 * tree-gimple.h (enum omp_parallel_type): Remove.
9714 (gimple_boolify): Declare extern.
9715 (find_omp_clause, determine_parallel_type): Remove.
9717 * gimple-low.c (lower_omp_directive): New.
9718 (lower_stmt): Call it.
9719 (record_vars_into): Move from ...
9720 (record_vars): ... here.
9721 Call record_vars_into with current_function_decl.
9723 * gimplify.c (struct gimplify_ctx): Remove fields
9724 combined_pre_p and combined_ctxp. Update users.
9725 (get_formal_tmp_var): Add documentation.
9726 (gimple_boolify): Make extern.
9727 (gimplify_expr_in_ctx): Remove. Update callers.
9728 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9729 will always be a BIND_EXPR.
9730 (gimplify_expr): Handle OMP_RETURN_EXPR.
9731 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9732 (OMP_PARALLEL): Add 3 operands.
9733 (OMP_SECTIONS): Add 1 operand.
9734 (OMP_RETURN_EXPR): Define.
9736 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9737 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9738 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9739 creating a circular free list.
9740 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9742 * tree-flow.h (move_sese_region_to_fn): Declare.
9743 (record_vars_into): Declare.
9744 * tree-cfg.c (make_omp_sections_edges): New.
9745 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9746 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9747 OMP_SECTIONS and OMP_SECTION.
9748 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9749 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9750 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9751 (gather_blocks_in_sese_region): New.
9752 (struct move_stmt_d): Declare.
9754 (move_block_to_fn): New.
9755 (move_sese_region_to_fn): New.
9757 * passes.c (init_optimization_passes): Schedule
9758 pass_expand_omp after pass_init_datastructures.
9760 * tree-ssa-operands.c (get_expr_operands): Handle
9761 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9762 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9764 2006-01-19 Jeff Law <law@redhat.com>
9766 * tree-vrp.c (extract_range_from_assert): Refine the result range
9767 if the variable referenced by the ASSERT_EXPR has a range and
9768 either the tentative result range or the previous range is a
9771 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9773 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9775 2006-01-19 Jan Hubicka <jh@suse.cz>
9777 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9779 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9781 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9782 (expand_compound_operation, expand_field_assignment): Fail if the
9783 bit lengths of an extract operation are out of range.
9784 (make_extraction): Compute wanted_inner_mode based on the position
9785 and length of the extraction. Make it extraction_mode for non-constant
9786 positions, and do not modify offset in that case. When generating a
9787 new MEM, use a mode that can hold the extraction while keeping correct
9788 alignment. Remove code that supported MEMs wrapped by USEs.
9789 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9791 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9793 * config/s390/s390.md ("Y", "y"): New mode attribute.
9794 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9795 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9796 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9797 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9798 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9799 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9800 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9801 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9802 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9803 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9804 "addsi3", "subsi3"): Insn patterns removed.
9805 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9806 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9807 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9808 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9809 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9810 "*sub<mode>3_cconly2"): New insn patterns.
9811 ("addsi3", "subsi3"): New expanders.
9813 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9815 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9816 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9817 existing STMT_VINFO_VECTYPE if available.
9818 (vect_mark_relevant): Add special handling for stmts that are
9819 marked as STMT_VINFO_IN_PATTERN_P.
9820 (vect_analyze_loop): Call vect_pattern_recog.
9821 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9822 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9824 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9825 (vect_recog_func_ptr): New function-pointer type.
9826 * tree-vect-patterns.c: New file.
9827 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9828 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9829 (vect_pattern_recog_1): New functions.
9830 (vect_pattern_recog_funcs): New array of function pointers.
9832 * tree-vectorizer.h (ternary_op): New enum value.
9833 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9834 declaration. Revised documentation. Removed redundant dump prints.
9835 Removed redundant argument. Added support for reduction patterns.
9836 (vectorizable_reduction): Added support for reduction patterns.
9837 (vect_transform_stmt): Added support for patterns.
9839 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9840 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9841 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9842 (expand_widen_pattern_expr): New function.
9843 (init_optabs): Initialize new optabs udot_prod_optab,
9845 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9846 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9847 (expand_widen_pattern_expr): New function declaration.
9848 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9850 * tree-inline.c (estimate_num_insns_1): Added cases for new
9851 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9852 * tree-pretty-print.c (dump_generic_node): Likewise.
9853 (op_prio): Likewise.
9854 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9855 * tree-ssa-operands.c (get_expr_operands): Added case for
9857 * tree-vect-patterns.c (widened_name_p): New function.
9858 (vect_recog_dot_prod_pattern): Added function implementation.
9859 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9860 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9861 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9862 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9864 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9865 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9866 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9867 (init_optabs): Initialize new optabs widen_ssum_optab,
9869 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9870 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9871 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9872 use instead of type of def.
9873 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9874 function implementation.
9875 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9876 widen_ssumv8hi): New.
9878 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9881 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9884 * c-decl.c (add_flexible_array_elts_to_size): New function.
9885 (finish_decl): Use it.
9887 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9889 * diagnostic.h: Include options.h.
9890 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9891 dependancies for diagnostic.h.
9892 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9894 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9896 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9897 (ssa_ro_call_cache_valid): Ditto.
9898 * tree-ssa-alias.c (sort_tags_by_id): New function.
9899 (init_transitive_clobber_worklist): Ditto.
9900 (add_to_worklist): Ditto.
9901 (mark_aliases_call_clobbered): Ditto.
9902 (compute_tag_properties): Ditto.
9903 (set_initial_properties): Ditto.
9904 (compute_call_clobbered): Ditto.
9905 (compute_may_aliases): Call compute_call_clobbered and grouping.
9906 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9907 (compute_flow_insensitive_aliasing): Grouping now happens in our
9909 (setup_pointers_and_addressables): Remove clobbering related code.
9910 (add_may_alias): Ditto.
9911 (replace_may_alias): Ditto.
9912 (get_nmt_for): Ditto.
9913 (create_global_var):
9914 (is_escape_site): Return an escape_type enumeration.
9915 * tree-flow-inline.h (is_call_clobbered): Global var does not
9916 imply call clobbered.
9917 (mark_call_clobbered): Take a reason for marking this. Remove
9918 marking of globalness, and cache invalidation.
9919 (clear_call_clobbered): Remove cache invalidation code.
9920 * tree-dfa.c (dump_variable): If details is on, dump the reason
9922 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9924 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9925 (struct var_ann_d): Ditto.
9926 (enum escape_type): New.
9927 (mark_call_clobbered): Adjust prototype.
9928 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9929 are never call clobbered.
9930 Record reasons for escaping.
9931 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9932 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9933 (ssa_ro_call_cache_valid): Ditto.
9934 (clobbered_v_may_defs): Ditto.
9935 (clobbered_vuses): Ditto.
9936 (ro_call_vuses): Ditto.
9937 (clobber_stats): New.
9938 (init_ssa_operands): Zero out clobber stats.
9939 (fini_ssa_operands): Print out clobber stats.
9940 (get_call_expr_operands): Pass callee fndecl to
9942 (add_call_clobber_ops): Remove use of cache.
9943 Add use of PURE_CONST information.
9944 (add_call_read_ops): Remove use of cache.
9945 Add use of static not_read information.
9947 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9949 Introduce TLS descriptors for i386 and x86_64.
9950 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9951 (TARGET_ANY_GNU_TLS): New macro.
9952 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9953 (struct machine_function): Add tls_descriptor_call_expanded_p.
9954 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9955 (ix86_current_function_calls_tls_descriptor): Likewise.
9956 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9957 (override_options): Introduce gnu2 tls dialect.
9958 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9960 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9962 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9963 (ix86_init_machine_status): Initialize new field.
9964 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9965 (ix86_tls_module_base): New.
9966 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9967 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9968 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9969 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9970 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9971 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9972 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9973 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9974 * config/i386/predicates.md (tls_modbase_operand): New.
9975 (tp_or_register_operand): New.
9977 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9979 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9980 (look_for_address_of): Ditto.
9981 (ipa_init): Walk the function decls.
9982 (static_execute): Don't set readonly on FUNCTION_DECL's.
9984 2006-01-18 Roger Sayle <roger@eyesopen.com>
9986 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9987 for shifts where the source and destination registers are different.
9989 2006-01-18 Paul Brook <paul@codesourcery.com>
9991 Merge from csl-arm-branch.
9992 2005-03-14 Julian Brown <julian@codesourcery.com>
9993 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9994 (aeabi_llsl): Likewise.
9995 (ashrdi3): Likewise.
9996 (aeabi_lasr): Likewise.
9997 (lshrdi3): Likewise.
9998 (aeabi_llsr): Likewise.
9999 2005-03-10 Julian Brown <julian@codesourcery.com>
10000 * config.gcc: Disable shared libgcc for SymbianOS.
10001 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10003 2006-01-18 DJ Delorie <dj@redhat.com>
10005 * c-pragma.c (handle_pragma_diagnostic): New.
10006 (init_pragma): Register it.
10007 * doc/extend.texi: Document it.
10009 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10010 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10011 (diagnostic_context): Add classify_diagnostic[].
10012 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10013 as errors if they're overridden to DK_WARNING.
10014 (diagnostic_initialize): Initialize classify_diagnostic[].
10015 (diagnostic_set_kind_override): New.
10016 (diagnostic_report_diagnostic): Check for kind changes.
10017 * opts.c (common_handle_option): Take lang_mask. Update callers.
10018 Handle OPT_Werror_.
10019 * common.opt (Werror=): New.
10020 * doc/invoke.texi: Document -Werror=*
10022 2006-01-18 Jeff Law <law@redhat.com>
10024 * tree-vrp.c (test_for_singularity): Correct test for new
10025 min limit. Use operand_equal_p rather than pointer equality
10026 for testing if new min/max values are equal.
10028 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10029 using range information until after propagation and folding.
10031 2006-01-18 Richard Henderson <rth@redhat.com>
10032 Aldy Hernandez <aldyh@redhat.com>
10033 Jakub Jelinek <jakub@redhat.com>
10034 Diego Novillo <dnovillo@redhat.com>
10036 * omp-low.c: New file.
10037 * c-omp.c: New file.
10039 2006-01-18 Richard Henderson <rth@redhat.com>
10040 Jakub Jelinek <jakub@redhat.com>
10041 Diego Novillo <dnovillo@redhat.com>
10043 * doc/invoke.texi: Document -fopenmp.
10044 * tree-dump.h (debug_function): Declare.
10045 * hooks.c (hook_bool_tree_bool_false): New function.
10046 (hook_tree_tree_null): Remove.
10047 (hook_tree_tree_tree_null): New.
10048 * hooks.h: Update to match.
10049 * tree-pretty-print.c (debug_tree_chain): New.
10050 (print_generic_expr): Handle TDF_CHAIN.
10051 (dump_generic_node): Handle BLOCK.
10052 Do not abort with incomplete SWITCH_EXPRs.
10053 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10054 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10055 print space after directive name.
10056 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10057 Handle OMP_MASTER and OMP_ORDERED.
10058 Handle printing of OMP_BODY just in one place, goto
10059 dump_omp_body in the rest of OMP_* nodes that have
10061 Don't handle clause nodes here. Update omp statements to
10062 use dump_omp_clauses.
10063 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10064 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10065 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10066 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10067 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10068 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10069 Adjust output for GOMP_PARALLEL.
10070 (dump_omp_clauses): New.
10071 (print_declaration): Dump DECL_VALUE_EXPR.
10072 (op_symbol_1): Split out of op_symbol.
10073 (dumping_stmts): Remove. Update all users.
10074 * cgraph.c (cgraph_analyze_queue): New.
10075 (cgraph_add_new_function): New.
10076 * cgraph.h (cgraph_analyze_queue): Declare.
10077 (cgraph_add_new_function): Declare.
10078 (cgraph_lower_function): Remove.
10079 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10080 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10081 and TYPE_P nodes in its default clause.
10082 (empty_body_p): New.
10083 (tree_range_check_failed): New.
10084 (build5_stat): New.
10085 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10086 OMP_CLAUSE_REDUCTION_MERGE,
10087 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10088 OMP_CLAUSE_PRIVATE_DEBUG,
10089 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10090 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10091 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10092 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10093 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10094 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10095 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10096 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10097 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10098 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10099 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10100 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10101 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10102 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10103 (TREE_RANGE_CHECK): New.
10104 (empty_body_p): Declare.
10105 (enum omp_clause_default_kind): New.
10106 (build_string_literal): Declare.
10107 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10108 (build5_stat, build5): Declare.
10109 * tree-pass.h (TDF_CHAIN): Define.
10110 * tree-pass.h (PROP_gimple_lomp): Define.
10111 (pass_lower_omp): Declare.
10112 * diagnostic.h (debug_tree_chain): Declare.
10113 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10115 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10116 * builtins.c (build_string_literal): Make extern.
10117 * gcc.c (include_spec_function): New.
10118 (static_spec_functions): Add it.
10119 (main): Move load of libgomp.spec ...
10120 (LINK_COMMAND_SPEC): ... here.
10121 (link_gomp_spec): New.
10122 (static_specs): Include it.
10123 (LINK_COMMAND_SPEC): Add link_gomp.
10124 (GOMP_SELF_SPECS): New.
10125 (driver_self_specs): Include it.
10126 (switch_matches): Don't mark inline.
10127 (main): Load libgomp.spec.
10128 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10129 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10130 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10131 * tree-gimple.h (enum omp_parallel): Declare.
10132 (determine_parallel_type): Declare.
10133 (omp_firstprivatize_variable): Declare.
10134 (omp_reduction_init): Declare.
10135 (diagnose_omp_structured_block_errors): Declare.
10136 (struct walk_stmt_info): Add want_return_expr.
10137 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10138 (find_omp_clause): Declare.
10139 (insert_field_into_struct): Declare.
10140 (struct walk_stmt_info): Move from tree-nested.c
10141 (walk_stmts): Declare.
10142 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10144 * cgraphunit.c (cgraph_lower_function): Make static.
10145 (cgraph_finalize_pending_functions): New.
10146 (cgraph_finalize_function): Call it.
10147 (cgraph_finalize_compilation_unit): Likewise.
10148 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10149 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10150 (BT_FN_UINT_UINT): New.
10151 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10152 DEF_FUNCTION_TYPE_VAR_4): Document.
10153 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10154 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10155 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10156 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10157 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10158 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10159 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10160 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10161 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10162 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10163 into separate files.
10164 (DEF_GOMP_BUILTIN): New.
10165 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10166 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10167 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10168 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10169 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10170 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10171 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10172 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10173 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10174 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10175 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10176 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10177 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10178 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10179 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10180 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10181 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10182 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10183 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10184 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10185 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10186 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10187 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10188 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10189 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10190 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10191 * sync-builtins.def: New file, moved from builtins.def.
10192 * omp-builtins.def: New file, moved from builtins.def.
10193 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10194 * gimple-low.c (lower_function_body): Clear data.
10195 (lower_stmt): Do not handle COMPOUND_EXPR.
10196 Remove call to print_node_brief.
10197 * c-tree.h (c_finish_omp_clauses): New prototype.
10198 (C_DECL_THREADPRIVATE_P): Define.
10199 (lookup_name_no_remap, c_omp_remap_private): Remove
10200 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10201 (check_for_loop_decls): Update decl.
10202 (lookup_name_no_remap, c_omp_remap_private): Declare.
10203 (build_indirect_ref, build_modify_expr, pushdecl,
10204 pushdecl_top_level): Move to c-common.h.
10205 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10206 before the switch, but just in the 2 places that need it.
10207 * c-decl.c (diagnose_mismatched_decls): Do not check for
10208 mismatched thread-local attributes when OLDDECL is marked
10209 threadprivate and NEWDECL has no thread-local attributes.
10210 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10211 (c_gimple_diagnostics_recursively): Rename from
10212 c_warn_unused_result_recursively. Invoke
10213 diagnose_omp_structured_block_errors.
10214 (check_for_loop_decls): Return a singular decl found.
10215 * langhooks.c (lhd_omp_predetermined_sharing): Return
10216 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10217 (lhd_omp_firstprivatize_type_sizes): New.
10218 (lhd_omp_assignment): New.
10219 (lhd_omp_predetermined_sharing): New.
10220 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10221 (struct lang_hooks_for_types): Add
10222 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10223 omp_predetermined_sharing, omp_disregard_value_expr,
10224 omp_private_debug_clause, omp_clause_default_ctor,
10225 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10226 (c_finish_omp_clauses): New.
10227 (c_finish_bc_stmt): Diagnose break within omp for.
10228 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10229 (build_unary_op): Return error_mark after reporting
10231 (build_modify_expr): Likewise.
10232 * gimplify.c: Include optabs.h and pointer-set.h.
10233 (enum gimplify_omp_var_data): Declare.
10234 (struct gimplify_omp_ctx): Declare.
10235 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10237 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10238 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10239 (splay_tree_compare_decl_uid): New.
10240 (new_omp_context): New.
10241 (delete_omp_context): New.
10242 (gimple_add_tmp_var): Call omp_add_variable.
10243 (gimplify_bind_expr): Likewise.
10244 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10245 true, disregard DECL_VALUE_EXPR on the decl if any.
10246 (gimplify_expr_in_ctx): New.
10247 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10248 omp_add_variable, omp_notice_variable, omp_is_private
10249 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10250 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10251 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10252 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10253 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10254 gimplify_omp_atomic): New.
10255 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10256 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10257 OMP_CRITICAL and OMP_ATOMIC.
10258 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10259 * c-pragma.h (enum pragma_kind): Add
10260 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10261 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10262 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10263 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10264 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10265 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10266 PRAGMA_OMP_THREADPRIVATE.
10267 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10268 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10269 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10270 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10271 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10272 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10273 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10274 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10275 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10276 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10277 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10278 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10279 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10281 (struct nesting_info): Add field_map,
10282 suppress_expansion, debug_var_chain.
10283 (create_nesting_tree): Initialize them.
10284 (lookup_field_for_decl): Use field_map.
10285 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10286 (convert_local_omp_clauses): New.
10287 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10288 (walk_body): Split out of walk_function.
10289 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10290 (convert_nonlocal_reference): Handle omp statements.
10291 (convert_local_reference): Likewise.
10292 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10293 (unnest_nesting_tree): New.
10294 (lower_nested_functions): Call it.
10295 (insert_field_into_struct): Make extern.
10296 (struct walk_stmt_info): Move to tree-gimple.h.
10297 (walk_stmts): Make extern.
10298 * omp-builtins.def: New file.
10299 * tree-iterator.c (expr_only): Clarify comment.
10300 * c-common.h (pushdecl_top_level, pushdecl,
10301 build_modify_expr, build_indirect_ref,
10302 c_finish_omp_master, c_finish_omp_critical,
10303 c_finish_omp_ordered, c_finish_omp_barrier,
10304 c_finish_omp_atomic, c_finish_omp_flush,
10305 c_finish_omp_for, c_split_parallel_clauses,
10306 omp_clause_default_kind, c_omp_sharing_predetermined,
10307 c_omp_remap_decl): Declare.
10308 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10309 (OBJS-common): Add omp-low.o.
10310 (c-omp.o, omp-low.o): Add.
10311 (gimplify.o): Add dependency on $(OPTABS_H).
10312 (GTFILES): Add omp-low.c.
10313 (gt-stringpool.h): Add.
10314 * tree-cfg.c (set_bb_for_stmt): Do not update the
10315 block-to-labels map if we are currently expanding to RTL.
10316 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10318 Handle IDENTIFIER_NODE.
10319 (tree_verify_flow_info): Do not ICE when emitting error
10320 messages about invalid labels.
10321 (dump_function_to_file): Reset CFUN before emitting the body
10323 (debug_function): New.
10324 * passes.c (init_optimization_passes): Schedule
10326 * langhooks-def.h (lhd_omp_predetermined_sharing,
10327 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10329 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10330 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10331 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10332 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10333 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10334 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10335 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10336 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10337 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10338 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10339 (LANG_HOOK_DECLS): Use them.
10341 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10342 Richard Henderson <rth@redhat.com>
10343 Jakub Jelinek <jakub@redhat.com>
10344 Diego Novillo <dnovillo@redhat.com>
10346 * c-parser.c (pragma_omp_clause): Define.
10347 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10348 (c_parser_compound_statement): Likewise.
10349 (c_parser_statement): Likewise.
10350 (c_parser_pragma): Handle omp pragmas.
10351 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10352 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10353 (c_parser_omp_clause_name, check_no_duplicate_clause,
10354 c_parser_omp_variable_list,
10355 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10356 c_parser_omp_clause_copyprivate,
10357 c_parser_omp_clause_default,
10358 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10359 c_parser_omp_clause_lastprivate,
10360 c_parser_omp_clause_nowait,
10361 c_parser_omp_clause_num_threads,
10362 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10363 c_parser_omp_clause_reduction,
10364 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10365 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10366 c_parser_omp_atomic, c_parser_omp_barrier,
10367 c_parser_omp_critical, c_parser_omp_flush,
10368 c_parser_omp_for_loop, c_parser_omp_for,
10369 c_parser_omp_master, c_parser_omp_ordered,
10370 c_parser_omp_sections_scope, c_parser_omp_sections,
10371 c_parser_omp_parallel, c_parser_omp_single,
10372 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10373 * c-pragma.c (init_pragma): Do omp pragma registration here.
10374 * c.opt (fopenmp): New flag.
10376 2006-01-18 Eric Christopher <echristo@apple.com>
10378 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10379 * config/darwin.h (GOMP_SELF_SPECS): Define.
10381 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10383 * rtl.h: Remove the prototype for reg_alloc.
10385 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10388 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10389 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10390 sjlj and dwarf2 exception handling.
10391 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10392 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10393 * pa/pa.c (function_value): Treat complex and vector types as
10395 (function_arg): Likewise. Only pass scalar floats in the floating
10396 point argument registers.
10397 * pa/t-slibgcc-dwarf-ver: New file.
10398 * pa/t-slibgcc-sjlj-ver: New file.
10399 * pa/t-slibgcc-elf-ver: Delete file.
10401 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10403 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10404 unlikely_test_section_p test.
10406 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10408 * mode-switching.c (optimize_mode_switching): Make it static.
10409 * basic-block.h: Remove the prototype for
10410 optimize_mode_switching.
10412 * modulo-sched.c (sms_schedule): Make it static.
10413 * rtl.h: Remove the prototype for sms_schedule.
10415 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10416 * rtl.h: Remove the prototype for gcse_after_reload_main.
10418 * reg-stack.c (reg_to_stack): Make it static.
10419 * rtl.h: Remove the prototype for reg_to_stack.
10421 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10423 * rtl.h: Remove the prototypes for regrename_optimize and
10424 copyprop_hardreg_forward.
10426 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10428 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10429 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10430 Test against the appropriate null constant for the mode.
10431 If 'fixup_overlap' is true, swap the operands if they overlap.
10432 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10433 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10434 alpha_split_tmode_pair and adjust for above change.
10435 * config/alpha/alpha.md (movtf_internal): Adjust call to
10436 alpha_split_tfmode_pair and rely on it to swap the operands.
10437 (movti_internal): New insn and post-reload splitter.
10438 (movti): New expander.
10440 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10442 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10445 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10447 * rtlanal.c (global_reg_mentioned_p_1,
10448 global_reg_mentioned_p): Remove.
10449 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10451 * flow.c (initialize_uninitialized_subregs): Make it static.
10452 * rtl.h: Remove the prototype for
10453 initialize_uninitialized_subregs.
10455 * function.c (instantiate_virtual_regs): Make it static.
10456 * function.h: Remove the prototype for
10457 instantiate_virtual_regs.
10459 * regmove.c (regmove_optimize, combine_stack_adjustments):
10461 * rtl.h: Remove the prototypes for regmove_optimize and
10462 combine_stack_adjustments.
10464 2006-01-17 Roger Sayle <roger@eyesopen.com>
10466 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10467 (size_cost): Encode costs in bytes so that a reg-reg addition is
10468 equivalent to COSTS_N_INSNS(1).
10469 (override_options): Use the size_cost.branch_cost as the default
10470 ix86_branch_cost when optimizing for size.
10472 2006-01-18 Ben Elliston <bje@au.ibm.com>
10474 * Makefile.in (D32PBIT_FUNCS): New.
10475 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10476 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10477 D64PBIT_FUNCS and D128PBIT_FUNCS.
10478 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10479 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10481 (decnumber_dep): Define.
10482 * doc/libgcc.texi (Decimal float library routines): New node.
10483 * config/dfp-bit.h, config/dfp-bit.c: New files.
10485 2006-01-18 Ben Elliston <bje@au.ibm.com>
10487 * expr.c (emit_move_change_mode): Always adjust addresses, not
10488 just during reload. Copy replacements only during reload.
10489 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10490 emit_move_via_integer.
10492 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10494 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10495 instead of $(srcdir) and ${srcdir}.
10497 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10500 PR middle-end/11135
10501 * arm.h (struct machine_function): Add pic_reg.
10502 * arm.c (arm_pic_register): Make unsigned.
10503 (arm_override_options): Only set arm_pic_register if
10504 TARGET_SINGLE_PIC_BASE.
10505 (use_return_insn): Only test for a pic register if it is fixed.
10506 (arm_compute_save_reg0_reg12_mask): Likewise.
10507 (thumb_compute_save_reg_mask): Likewise.
10508 (legitimate_pic_operand): Factor out some known invariants.
10509 (legitimize_pic_address): If we don't have a fixed pic register,
10510 then set up a pseudo in the function entry sequence. Handle the
10511 pic base being in a pseudo.
10512 (arm_load_pic_register): Handle the pic register being in a pseudo.
10513 (arm_expand_prologue): Only set up the pic register if it is fixed.
10514 (thumb_expand_prologue): Likewise.
10515 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10516 (pic_load_addr_based_insn): Likewise.
10517 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10520 2006-01-18 Ben Elliston <bje@au.ibm.com>
10522 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10523 decimal float modes for all floating point registers.
10525 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10526 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10528 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10531 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10532 even when the pointer is not NULL.
10534 2006-01-16 Ian Lance Taylor <ian@airs.com>
10536 * common.opt (ftoplevel-reorder): New option.
10537 * cgraph.c (cgraph_asm_nodes): New global variable.
10538 (cgraph_asm_last_node): New static variable.
10539 (cgraph_order): New global variable.
10540 (cgraph_create_node): Set new order field.
10541 (cgraph_varpool_node): Likewise.
10542 (decide_is_variable_needed): Return true if not
10543 flag_toplevel_reorder.
10544 (cgraph_add_asm_node): New function.
10545 * cgraph.h (struct cgraph_node): Add order field.
10546 (struct cgraph_varpool_node): Add order field.
10547 (struct cgraph_asm_node): Define.
10548 (cgraph_asm_nodes, cgraph_order): Declare.
10549 (cgraph_add_asm_node): Declare.
10550 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10552 (cgraph_varpool_assemble_pending_decls): Call it.
10553 (cgraph_output_pending_asms): New static function.
10554 (cgraph_finalize_compilation_unit): Call it.
10555 (struct cgraph_order_sort): Define.
10556 (cgraph_output_in_order): New static function.
10557 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10558 !flag_toplevel_reorder case.
10559 * c-parser.c: Include "cgraph.h".
10560 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10562 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10563 than -fno-unit-at-a-time.
10564 * doc/invoke.texi (Option Summary): Mention
10565 -fno-toplevel-reorder.
10566 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10567 -funit-at-a-time documentation.
10569 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10570 Kazu Hirata <kazu@codesourcery.com>
10572 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10574 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10576 * Makefile.in (FUNCTION_H): New. Use it instead of
10577 function.h throughout the file.
10578 * function.h: Include tree.h.
10580 2006-01-17 Ben Elliston <bje@au.ibm.com>
10582 * recog.c: Separate some functions with whitespace.
10584 2006-01-16 Richard Henderson <rth@redhat.com>
10586 Merge from gomp branch:
10587 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10588 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10589 and rename from struct inline_data. Rename callee* to dst*;
10590 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10591 transform_new_cfg, transform_return_to_modify, and
10592 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10594 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10595 (copy_decl_for_dup): Remove.
10596 * tree-inline.c (struct inline_data): Move to header.
10597 (insert_decl_map): Export.
10598 (remap_decl): Update for member name changes. Use copy_decl hook.
10599 Allow for replacement to be a non-decl. Remove dead code.
10600 (remap_type_1): Check for existing mapping.
10601 (remap_type): Export.
10602 (remap_decls): Update for member name changes.
10603 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10604 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10605 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10606 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10607 (tree_function_versioning, build_duplicate_type): Likewise.
10608 (copy_body_r): Likewise. Export.
10609 (copy_decl_for_dup): Split into ...
10610 (copy_decl_for_dup_finish, copy_decl_to_var,
10611 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10612 (replace_ref_tree, inlining_p): Remove.
10614 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10616 * ifcvt.c (if_convert): Make it static.
10617 * rtl.h: Remove the prototype for if_convert.
10619 * local-alloc.c (local_alloc): Make it static.
10620 * rtl.h: Remove the prototype for local_alloc.
10622 * loop.c (loop_optimize): Make it static.
10623 * cfgloop.h: Remove the prototype for loop_optimize.
10626 2006-01-16 DJ Delorie <dj@redhat.com>
10628 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10631 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10633 * pa.md: Disparage copies between general and floating-point registers
10634 in 32-bit move patterns.
10636 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10639 * Makefile.in (check-%): Depend on site.exp instead of
10640 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10643 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10645 * global.c (global_alloc): Make it static.
10646 * rtl.h: Remove the prototype for global_alloc.
10648 2006-01-16 Richard Guenther <rguenther@suse.de>
10650 * tree-ssa-alias.c (struct used_part): Add write_only field.
10651 (get_or_create_used_part_for): Initialize it to true.
10652 (create_overlap_variables_for): Don't create structure variables
10653 for structures that only are written to.
10654 (find_used_portions): Handle MODIFY_EXPR to track whether a
10655 structure is only written to.
10657 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10659 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10661 * basic-block.h: Remove the prototype for
10662 partition_hot_cold_basic_blocks.
10664 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10666 * cppspec.c (lang_specific_spec_functions): Remove.
10667 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10668 * gcc.h (lang_specific_spec_functions): Remove.
10669 * gccspec.c (lang_specific_spec_functions): Remove.
10671 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10673 * combine.c (record_value_for_reg): Invalidate registers
10675 (record_dead_and_set_regs_1): Likewise, by passing them to
10676 record_value_for_reg.
10677 (record_dead_and_set_regs): Invalidate stores made by a
10678 call. We do not combine across a call, but we still
10679 relied on equivalences.
10681 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10683 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10684 vrp_int_const_binop returning non-constant nodes.
10686 2006-01-16 Paul Brook <paul@codesourcery.com>
10688 * config/m68k/m68k.c (output_move_const_into_data_reg):
10689 Output correct mnemonic for mvz and mvs.
10691 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10693 * rtl-factoring.c: Add sequence abstraction algorithm.
10694 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10695 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10697 (block_has_preserve_label): New function.
10698 * common.opt: Register new pass.
10699 * Makefile.in: Ditto.
10701 * timevar.def: Ditto.
10702 * tree-pass.h: Ditto.
10703 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10704 * rtl.h (make_jump_insn_raw): Add forward decl.
10705 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10707 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10708 Roger Sayle <roger@eyesopen.com>
10710 * fold-const.c (fold_minmax): New static function.
10711 (fold_binary) <MIN_EXPR>: Call it.
10712 <MAX_EXPR>: Likewise.
10713 * stor-layout.c (place_field): Use DECL_SIZE consistently
10714 in the computation of the new record size.
10716 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10718 * cse.c (cse_condition_code_reg): Make it static.
10719 * rtl.h: Remove the prototype for cse_condition_code_reg.
10721 * combine.c (combine_instructions): Make it static.
10722 * rtl.h: Remove the prototype for combine_instructions.
10724 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10727 * tree.c (get_file_function_name_long): Concatenate the first global
10728 object name with a string derived from the input filename of the object
10731 2006-01-16 Ben Elliston <bje@au.ibm.com>
10733 * config/i386/winnt-stubs.c: Update FSF address.
10734 * config/xtensa/ieee754-df.S: Ditto.
10735 * config/xtensa/ieee754-sf.S: Ditto.
10737 2006-01-14 Ian Lance Taylor <ian@airs.com>
10739 * ifcvt.c (noce_init_if_info): New static function, broken out of
10740 noce_process_if_block.
10741 (noce_process_if_block): Call noce_init_if_info.
10742 (check_cond_move_block): New static function.
10743 (cond_move_process_if_block): New static function.
10744 (process_if_block): Call cond_move_process_if_block.
10746 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10748 * cselib.c (hash_table): Rename to cselib_hash_table.
10749 (cselib_clear_table, discard_useless_values,
10750 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10751 cselib_init, cselib_finish): Adjust uses of hash_table.
10753 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10755 PR tree-optimization/25485
10756 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10757 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10758 is known to be false and true, respectively.
10760 2006-01-14 Richard Guenther <rguenther@suse.de>
10762 PR tree-optimization/22548
10763 PR tree-optimization/22555
10764 PR tree-optimization/22501
10765 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10766 * params.def (salias-max-array-elements): New parameter.
10767 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10768 * doc/invoke.texi (salias-max-array-elements): Document.
10769 * tree-flow-inline.h (var_can_have_subvars): We also handle
10771 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10773 * tree-ssa-structalias.c (params.h): Include.
10774 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10775 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10776 (get_constraint_for): For ADDR_EXPR operating on something
10777 containing an ARRAY_REF, add all subvars to the solution.
10778 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10779 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10780 for creating MUST_DEFs.
10781 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10783 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10785 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10787 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10788 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10789 number_of_iterations_le): New functions.
10790 (number_of_iterations_special): Removed.
10791 (number_of_iterations_exit): Do not use number_of_iterations_special.
10792 * tree.c (unsigned_type_for): Always return integer type.
10794 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10795 Richard Guenther <rguenther@suse.de>
10797 PR rtl-optimization/24257
10798 * gcse.c (find_moveable_store): Only consider a store movable
10799 when the SET_SRC of the insn can be assigned to a register.
10801 2006-01-14 Ian Lance Taylor <ian@airs.com>
10803 * tree.c (tree_not_class_check_failed): New function.
10804 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10805 (tree_not_class_check_failed): Declare.
10807 2006-01-13 Ian Lance Taylor <ian@airs.com>
10809 * reload1.c (do_output_reload): Add assertion rejecting a
10812 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10814 * combine.c (struct reg_stat): Add new fields truncation_label and
10816 (record_value_for_reg): Reset truncated_to_mode.
10817 (record_truncated_value): New function.
10818 (check_promoted_subreg): Call it. Rename to check_conversions.
10819 (combine_instructions): Rename check_promoted_subreg to
10821 (reg_truncated_to_mode): New function.
10822 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10823 (gen_lowpart_or_truncate): New function.
10824 (force_to_mode): Use it instead of gen_lowpart.
10826 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10828 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10829 VAR is a tag, not its type tag.
10831 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10833 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10834 alternatives to match style of other entries.
10835 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10837 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10839 PR tree-optimization/25771
10840 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10843 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10846 * tree-inline.c (declare_return_variable): If the return variable
10847 was marked as a non gimple complex, set the return slot variable
10848 to be a non gimple comple variable.
10850 2006-01-13 Richard Guenther <rguenther@suse.de>
10852 * builtins.c (expand_builtin_sincos): New function.
10853 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10855 (expand_builtin): Expand sincos using expand_builtin_sincos.
10857 2006-01-12 DJ Delorie <dj@redhat.com>
10859 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10860 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10861 so that constant shifts can be split.
10862 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10863 (m32c_valid_pointer_mode): Make static.
10864 (shift_gen_func_for): New.
10865 (m32c_prepare_shift): Use it. Split large const shifts into
10867 * config/m32c/predicates.md (shiftcount_operand): Allow more
10869 (longshiftcount_operand): New.
10870 * doc/md.texi (Machine Constraints): Document In6.
10872 2006-01-13 Ben Elliston <bje@au.ibm.com>
10874 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10875 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10878 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10880 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10881 to try to avoid clobbering pieces of structures when we know
10882 something about the whole structure.
10883 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10885 2006-01-13 Ben Elliston <bje@au.ibm.com>
10887 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10888 return in memory, as this is no limitation is no longer present.
10890 2006-01-12 DJ Delorie <dj@redhat.com>
10892 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10893 mova with fb, and for fb+0 -> An.
10895 * config/m32c/mov.md (peephole2): Fix enabling logic.
10897 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10898 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10899 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10900 FINI_ARRAY_SECTION_ASM_OP): Define.
10902 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10904 (m32c_legitimize_reload_address): New logic to reload FB to An.
10905 (m32c_output_reg_push): Add newline.
10906 (m32c_output_reg_pop): Likewise.
10908 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10910 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10912 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10914 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10916 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10918 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10921 2006-01-11 Ben Elliston <bje@au.ibm.com>
10923 * rtlanal.c (find_reg_note): Assert insn is not null.
10925 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10927 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10930 2006-01-11 Jeff Law <law@redhat.com>
10932 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10934 (mark_threaded_blocks, register_jump_thread): New functions.
10935 (thread_through_all_blocks): Remove unwanted argument. No
10936 longer rely on e->aux to communicate thread target info.
10937 Call mark_threaded_blocks. Release the threaded_blocks
10938 bitmap and threaded_edges vector when complete.
10939 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10940 (threaded_blocks): Remove.
10941 (tree_ssa_dominator_optimize): Remove initialization and
10942 finalization of threaded_blocks. Simplify call to
10943 thread_through_all_blocks.
10944 (thread_across_edge): Call register_jump_thread rather than
10945 storing thread information into e->aux.
10946 (free_all_edge_infos): Simplify now that e->aux is no longer
10947 used to communicate with thread_through_all_blocks.
10948 * tree-flow.h (thread_through_all_blocks): Update prototype.
10949 (register_jump_thread): Prototype.
10951 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10953 * df-core.c (df_compact_blocks, df_bb_replace): Use
10954 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10956 2006-01-11 Richard Guenther <rguenther@suse.de>
10958 PR tree-optimization/25734
10959 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10960 stop propagation after successful propagation to the LHS.
10962 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10964 * basic-block.h (control_flow_graph): Change the type of
10965 x_basic_block_info to VEC(basic_block,gc) *.
10966 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10968 (SET_BASIC_BLOCK): New.
10969 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10970 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10971 * cfgbuild.c (find_basic_blocks): Likewise.
10972 * cfglayout.c (fixup_reorder_chain): Likewise.
10973 * cfgrtl.c (create_basic_block_structure,
10974 rtl_create_basic_block): Likewise.
10975 * ifcvt.c (find_if_case_1): Likewise.
10976 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10979 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10981 * Makefile.in: Removed rotted odf.c entry.
10983 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10986 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10987 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10988 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10989 output pattern modifier, not %e.
10990 * config/cris/cris.c (cris_op_str): Update comment about pattern
10992 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10993 before falling through into...
10994 <case 'E'>: Redefined from old 'e' case.
10996 2006-01-11 Jan Hubicka <jh@suse.cz>
10999 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11001 2006-01-11 Jan Hubicka <jh@suse.cz>
11003 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11004 * i386.c (x86_decompose_lea): Kill.
11005 (ix86_rtx_costs): Kill.
11007 2006-01-11 Jan Hubicka <jh@suse.cz>
11009 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11010 * cgraph.h (cgraph_node): Add inline_decl.
11011 (cgraph_insert_node_to_hashtable): Declare.
11012 (save_inline_function_body): Declare.
11013 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11015 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11016 (cgraph_function_versioning): Update call of tree_function_versioning.
11017 (save_inline_function_body): New function.
11018 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11019 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11020 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11021 (cgraph_default_inline_p): Likewise.
11022 (cgraph_decide_inlining_incrementally): Likewise.
11023 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11024 (copy_bb): Kill saving; do updating of clones.
11025 (copy_cfg_body): Kill saving.
11026 (initialize_inlined-parameters): Likewise.
11027 (expand_call_inline): Likewise.
11029 (tree_function_versioning): New parameter "update_clones".
11030 (inlining_p): Kill saving.
11031 * tree-inline.h (tree_function_versioning): Update prototype.
11032 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11035 2006-01-11 Ian Lance Taylor <ian@airs.com>
11037 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11038 Allow undoing set of machine mode.
11039 (do_SUBST): Use enums instead of is_int.
11040 (do_SUBST_MODE): New function.
11041 (SUBST_MODE): New macro.
11042 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11043 reg and trying to replace reg_regno_rtx with a new register.
11044 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11045 (simplify_set): Use SUBST_MODE.
11046 (distribute_notes): Remove code that tried to update reg notes
11047 for regno_reg_rtx changes.
11049 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11051 PR tree-optimization/23109
11052 PR tree-optimization/23948
11053 PR tree-optimization/24123
11055 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11056 * tree-cfg.c (single_noncomplex_succ): New.
11057 * tree-flow.h (single_noncomplex_succ): Declare it.
11058 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11059 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11060 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11061 insert_bb, register_division_in, insert_reciprocals,
11062 replace_reciprocal, free_bb): New.
11063 (execute_cse_reciprocals_1): Rewritten.
11064 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11065 Do not commit any edge insertion. Always compute dominators and
11066 create the allocation pool.
11067 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11068 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11069 * targhooks.c (default_min_divistions_for_recip_mul): New.
11070 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11071 * passes.c (init_optimization_passes): Run recip after tree loop
11073 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11075 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11076 Kenneth Zadeck <zadeck@naturalbridge.com>
11078 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11079 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11080 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11081 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11082 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11083 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11084 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11085 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11086 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11087 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11088 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11089 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11090 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11091 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11092 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11093 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11094 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11095 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11096 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11097 DF_SCAN_POST_ALLOC): New macros.
11098 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11099 df_free_bb_function, df_local_compute_function, df_init_function,
11100 df_dataflow_function, df_confluence_function_0,
11101 df_confluence_function_n, df_transfer_function,
11102 df_finalizer_function, df_free_function, df_dump_problem_function,
11103 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11104 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11105 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11106 df_urec_bb_info, ) New types.
11107 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11109 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11110 df_analyze_simple_change_some_blocks,
11111 df_analyze_simple_change_one_block, df_compact_blocks,
11112 df_bb_replace, df_bb_regno_last_use_find,
11113 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11114 df_insn_regno_def_p, df_find_def, df_find_use,
11115 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11116 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11117 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11118 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11119 debug_df_chain, df_get_dependent_problem, df_chain_create,
11120 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11121 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11122 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11123 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11124 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11125 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11126 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11127 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11128 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11129 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11130 df_reorganize_refs, df_set_state, df_hard_reg_init,
11131 df_read_modify_subreg_p) New public functions.
11132 * df-core.c: The core dataflow solver and glue routines for rtl
11134 (df_init, df_add_problem, df_set_blocks, df_finish,
11135 df_hybrid_search_forward, df_hybrid_search_backward,
11136 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11137 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11138 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11139 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11140 df_reg_defined, df_find_use, df_reg_used, df_dump,
11141 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11142 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11143 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11144 debug_df_useno, reset_df_after_reload): New functions.
11145 * df-scan.c: The scanning fuctions, once in df.c, completely
11146 rewritten so that they now fully model the functionality of
11147 register usage at the backend.
11148 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11149 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11150 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11151 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11152 df_get_artificial_defs, df_get_artificial_uses,
11153 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11154 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11155 df_refs_delete, df_reorganize_refs, df_set_state,
11156 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11157 df_def_record_1, df_defs_record, df_uses_record,
11158 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11159 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11160 df_record_exit_block_uses, df_hard_reg_init): New functions.
11162 * df-problems.c: Seven concrete dataflow problems that use the
11163 scanning in df-scan.c and are solved by the engine in df-core.c.
11164 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11165 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11166 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11167 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11168 df_ru_free_bb_info, df_ru_alloc,
11169 df_ru_bb_local_compute_process_def,
11170 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11171 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11172 df_ru_transfer_function, df_ru_free, df_ru_dump,
11173 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11174 df_rd_free_bb_info, df_rd_alloc,
11175 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11176 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11177 df_rd_transfer_function, df_rd_free, df_rd_dump,
11178 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11179 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11180 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11181 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11182 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11183 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11184 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11185 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11186 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11187 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11188 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11189 df_urec_mark_reg_use_for_earlyclobber,
11190 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11191 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11192 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11193 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11194 df_chain_create_bb_process_use, df_chain_create_bb,
11195 df_chain_finalize, df_chain_free, df_chains_dump,
11196 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11197 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11198 df_reg_lifetime): New functions.
11199 * df.c: Deleted file.
11200 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11201 consistent with new df api.
11202 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11203 rest_of_handle_sms): Ditto.
11204 * web.c (unionfind_union, union_defs, entry_register, web_main):
11206 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11207 invariant_expr_equal_p, find_defs, check_dependencies,
11208 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11209 free_inv_motion_data, move_loop_invariants): Ditto.
11210 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11211 Update dependencies.
11212 (odf.c): Added defective entry that was deleted later in day.
11213 * sched-deps.c (sched_analyze_1): Ditto.
11215 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11217 * tree-ssa-operands.c (get_expr_operands): Record addressable
11218 variables directly. Do not call add_stmt_operands for CONST_DECLs
11220 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11221 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11223 2006-01-11 Ben Elliston <bje@au.ibm.com>
11225 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11226 function returns true in the positive case.
11228 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11231 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11232 for SI, DI, SF and DF modes. Add alternatives to copy between
11233 general and floating point registers to the 32-bit patterns.
11234 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11235 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11236 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11237 generating 64-bit code.
11238 * config/pa/pa.c (output_move_double): Handle copies between general
11239 and floating registers.
11241 2006-01-10 Stuart Hastings <stuart@apple.com>
11243 * config/i386/i386.md (set_got): Update.
11244 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11245 (builtin_setjmp_receiver): Mach-O support.
11246 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11247 (GOT_SYMBOL_NAME): Define.
11248 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11249 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11250 * config/i386/i386.c (override_options): Revise for Darwin.
11251 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11252 support. (darwin_x86_file_end): New. (output_set_got): Add label
11253 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11254 * config/i386/i386-protos.h (output_set_got): Likewise.
11255 * config/darwin.c (machopic_legitimize_pic_address): Update
11258 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11260 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11261 when MODE isn't BLKmode.
11263 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11265 PR rtl-optimization/25367
11266 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11268 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11271 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11272 for a negative bound.
11274 2006-01-10 Richard Guenther <rguenther@suse.de>
11276 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11277 Never override with anything constraint.
11279 2006-01-10 Jan Beulich <jbeulich@novell.com>
11281 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11282 256 bits when optimize_size.
11284 2006-01-10 Jan Beulich <jbeulich@novell.com>
11286 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11288 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11289 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11292 2006-01-10 Ben Elliston <bje@au.ibm.com>
11294 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11296 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11297 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11298 (USE_FP_FOR_ARG): Reject decimal float modes.
11299 (function_arg_advance): Likewise.
11300 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11301 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11302 point types in AltiVec vectors.
11303 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11304 (rs6000_libcall_value): Likewise.
11306 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11308 * config/xtensa/ieee754-df.S: New file.
11309 * config/xtensa/ieee754-sf.S: New file.
11310 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11311 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11312 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11314 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11316 * config/sh/predicates.md (binary_float_operator,
11317 binary_logical_operator, commutative_float_operator,
11318 equality_comparison_operator, greater_comparison_operator,
11319 less_comparison_operator, logical_operator,
11320 noncommutative_float_operator, shift_operator,
11321 symbol_ref_operand, unary_float_operator): Remove redundant
11324 2006-01-09 Jeff Law <law@redhat.com>
11326 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11327 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11328 now unused arguments. Callers updated.
11329 (eliminate_redundant_computations): Remove now unused arguments,
11331 (local_fold): Remove, no longer used.
11332 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11334 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11335 (simplify_cond): New function.
11336 (forward_propagate_into_cond): Call simplify_cond.
11338 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11340 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11341 (*vec_extractv2di_1_sse): New.
11343 2006-01-09 Ben Elliston <bje@au.ibm.com>
11345 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11347 2006-01-08 Richard Guenther <rguenther@suse.de>
11349 * tree-ssa-structalias.c (get_constraint_for): Remove
11350 anyoffset argument.
11351 (get_constraint_for_component_ref): Likewise.
11352 (do_deref): Likewise.
11353 (get_constraint_for): Likewise.
11354 (do_structure_copy): Likewise.
11355 (handle_ptr_arith): Likewise.
11356 (find_func_aliases): Likewise. Remove unused need_anyoffset
11359 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11360 Kaz Kojima <kkojima@gcc.gnu.org>
11362 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11363 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11364 (EXTRA_CONSTRAINT_C16): Remove.
11365 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11366 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11367 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11368 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11369 constants of SHmedia. Handle nested constant expressions of
11371 (andcosts): Fix the costs for SHmedia constants.
11372 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11373 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11374 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11375 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11376 (movv4hi_i, movv2si_i): Likewise.
11377 (movsi_const): Adjust the second operand of ior so to match with
11378 the Csu constraint.
11379 (movdi_const, movdi_const_32bit): Likewise.
11380 (movdi_const_16bit+1): Don't sign-extend LOW.
11381 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11383 (*double_shori): Fix the split condition. Use GEN_INT instead
11384 of get_int_mode calls. Mask lower 16-bit of the argument of
11386 (sym2GOTPLT): Remove.
11387 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11389 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11390 instead of EXTRA_CONSTRAINT_C16.
11392 2006-01-07 Ian Lance Taylor <ian@airs.com>
11393 David Edelsohn <edelsohn@gnu.org>
11395 PR rtl-optimization/25662
11396 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11397 for constant operands instead of simplify_gen_binary.
11398 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11399 after trying simplify_binary_operation
11401 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11403 * tree.c (iterative_hash_expr): Hash decls based on UID.
11405 2006-01-06 Eric Christopher <echristo@apple.com>
11407 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11408 (TARGET_UNWIND_EMIT): Fix spelling.
11409 * target.h (gcc_target): Add except_table_label.
11410 * except.c (output_function_exception_table): Use.
11411 * varasm.c (default_emit_except_table_label): New.
11412 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11414 (asm_out): Add here.
11415 * output.h (default_emit_except_table_label): Prototype.
11416 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11417 * config/darwin.c (darwin_emit_except_table_label): Define.
11418 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11420 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11422 PR tree-optimization/18527
11423 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11424 number_of_iterations_special, number_of_iterations_exit):
11425 Move base and step of an iv to a single structure. Add
11426 no_overflow flag, and use it in # of iterations analysis.
11427 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11428 folded_casts argument.
11429 (simple_iv): Pass base and step in a structure. Set no_overflow
11431 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11432 Evaluate expensiveness of computing # of iterations instead of
11433 the final expression.
11434 * tree-scalar-evolution.h (affine_iv): New structure.
11435 (simple_iv): Declaration changed.
11436 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11437 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11438 find_givs_in_stmt): Changed due to simple_iv change.
11440 2006-01-06 Jeff Law <law@redhat.com>
11443 * tree-cfg.c (bsi_replace): Rename final argument from
11444 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11445 change (stmt -> orig_stmt).
11446 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11447 (bsi_remove): Add new argument. Remove EH information
11449 (verify_eh_throw_table_statements): New function.
11450 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11452 * tree-optimize.c (execute_free_cfg_annotations): Verify
11453 the EH throw statement table after removing annotations.
11454 * except.h (verify_eh_throw_table_statements): Prototype.
11455 * tree-flow.h (bsi_remove): Update prototype.
11456 * tree-vrp.c (remove_range_assertions): Add new argument to
11458 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11459 * tree-complex.c (expand_complex_div_wide): Likewise.
11460 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11461 * tree-tailcall.c (eliminate_tailcall): Likewise.
11462 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11463 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11464 * tree-nrv.c (tree_nrv): Likewise.
11465 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11466 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11467 (combine_blocks): Likewise.
11468 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11469 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11470 (cleanup_control_flow): Likewise.
11471 (remove_forwarder_block): Likewise.
11472 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11473 * tree-sra.c (sra_replace): Likewise.
11474 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11475 (forward_propagate_single_use_vars): Likewise.
11476 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11477 * tree-inline.c (expand_call_inline): Likewise.
11478 * tree-vect-transform.c (vect_transform_loop): Likewise.
11479 * tree-outof-ssa.c (rewrite_trees): Likewise.
11480 * tree-cfg.c (make_goto_expr_edges): Likewise.
11481 (cleanup_dead_labels): Likewise.
11482 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11483 (bsi_move_before, bsi_move_after): Likewise.
11484 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11485 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11487 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11490 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11492 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11493 on non gimple variables. Also add checks at the top for decls and
11495 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11497 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11498 and IMAGPART_EXPR for creating MUST_DEFs.
11499 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11500 and NAME_MEMORY_TAG separately from the DECLs.
11502 2006-01-06 Richard Guenther <rguenther@suse.de>
11504 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11505 annotation, if necessary.
11506 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11507 redundant calls to update_stmt.
11508 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11511 2006-01-05 Richard Henderson <rth@redhat.com>
11513 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11515 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11517 * c-typeck.c: Update copyright date.
11519 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11521 * c-typeck.c (build_c_cast): Always warn when casting
11522 from a pointer to an integer of different size, even if
11523 the node was constant.
11525 2006-01-05 Richard Guenther <rguenther@suse.de>
11527 PR tree-optimization/22555
11528 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11529 if one structure field is an array.
11530 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11531 operands even if we found a subvar, but ignore VOPs in this
11533 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11535 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11537 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11539 PR middle-end/24998
11540 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11542 2006-01-05 Richard Guenther <rguenther@suse.de>
11543 Diego Novillo <dnovillo@redhat.com>
11545 * tree-pass.h (TODO_remove_unused_locals): Define.
11546 * gimple-low.c (expand_var_p, remove_useless_vars,
11547 pass_remove_useless_vars): Remove. Update all users.
11548 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11549 (remove_unused_locals): New function.
11550 * tree-flow.h (remove_unused_locals): Declare.
11551 * passes.c (execute_todo): Call remove_unused_locals if
11552 TODO_remove_unused_locals is set.
11553 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11554 * tree-ssa-dce.c (pass_dce): Likewise.
11555 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11557 2006-01-05 Richard Guenther <rguenther@suse.de>
11559 * tree-flow.h (struct fieldoff): Decompose field to
11560 type, size and decl.
11561 * tree-ssa-alias.c (create_sft): Take type as parameter.
11562 (create_overlap_variables_for): Store type, size and decl
11563 in the fieldoff structure.
11564 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11565 of struct fieldoff.
11566 (push_fields_onto_fieldstack): Likewise.
11567 (create_variable_info_for): Likewise. Use offset for the
11568 SFT name if the decl is not available.
11570 2006-01-04 Paul Brook <paul@codesourcery.com>
11572 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11574 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11576 * lambda-code.c (can_put_in_inner_loop): Relax
11578 (can_put_after_inner_loop): New function.
11579 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11580 (perfect_nestify): Change to make copies and modify uses.
11582 2006-01-04 Richard Henderson <rth@redhat.com>
11584 Merge from gomp branch:
11585 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11586 via integer constant.
11587 (pragma_lex): Remove.
11588 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11589 rather than parsing it.
11590 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11591 handle_pragma_extern_prefix): Add %< %> quotes.
11592 (registered_pragmas): New.
11593 (c_register_pragma_1): New.
11594 (c_register_pragma): Use it.
11595 (c_register_pragma_with_expansion): Likewise.
11596 (c_invoke_pragma_handler): New.
11597 (init_pragma): Use cpp_register_deferred_pragma directly for
11599 * c-pragma.h (enum pragma_kind): New.
11600 (pragma_handler): New.
11601 (c_invoke_pragma_handler): Declare.
11602 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11604 * c-common.h (c_common_pch_pragma): Update decl.
11605 * Makefile.in (c-parser.o): Update dependencies.
11606 (GTFILES): Add c-pragma.h.
11607 * c-parser.c (struct c_token): Add pragma_kind.
11608 (struct c_parser): Add in_pragma.
11609 (c_lex_one_token): Always initialize keyword and pragma_kind.
11610 Extract data for CPP_PRAGMA.
11611 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11612 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11613 Don't allow CPP_PRAGMA_EOL if in_pragma.
11614 (c_parser_consume_pragma): New.
11615 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11616 (c_parser_skip_to_end_of_parameter): Likewise.
11617 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11618 (c_parser_skip_to_pragma_eol): New.
11619 (c_parser_external_declaration): Handle CPP_PRAGMA.
11620 (c_parser_compound_statement_nostart): Likewise.
11621 (c_parser_statement_after_labels): Likewise.
11622 (c_parser_pragma): New.
11623 (pragma_lex): Likewise.
11624 (c_parser_pragma_pch_preprocess): New.
11625 (c_parser_new): Merge into ...
11626 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11628 2006-01-04 Jeff Law <law@redhat.com>
11631 * tree-cfg.c (bsi_replace): Remove the original statement
11632 from the EH throw statement table.
11634 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11636 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11637 make the prototype extern "C" and add throw ().
11640 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11641 and pos non-negative and pos + len <= 32.
11642 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11643 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11644 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11647 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11648 as well as sizes not multiple of component size.
11651 * function.c (instantiate_expr): New function.
11652 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11653 walk its DECL_VALUE_EXPR with instantiate_expr.
11655 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11656 DW_OP_deref{,_size} if address isn't going to be added.
11658 2006-01-04 Ben Elliston <bje@au.ibm.com>
11660 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11661 * config/fp-bit.c: Likewise.
11663 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11665 * dominance.c: Add comment about why we use DFS numbering
11668 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11669 Richard Henderson <rth@redhat.com>
11671 Merge from gomp-branch:
11672 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11673 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11675 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11677 PR rtl-optimization/25578
11678 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11679 pass a parameter to simplify_shift_const if changing ASHIFTRT
11682 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11684 * builtins.c (get_builtin_sync_mem): New function.
11685 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11686 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11687 Call get_builtin_sync_mem to generate mem rtx.
11689 2006-01-03 Richard Guenther <rguenther@suse.de>
11692 * stmt.c (add_case_node): Make sure to clear overflow flags
11695 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11697 Merge from gomp-branch.
11698 * config/sparc/sync.md: New file.
11699 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11700 UNSPECV_LDSTUB): New constants.
11701 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11702 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11703 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11706 2006-01-03 Roger Sayle <roger@eyesopen.com>
11708 * combine.c (reg_subword_p): New predicate to test whether the
11709 destination of a set refers to a subword/piece of a register.
11710 (try_combine): Generalize the code to merge the setting of a
11711 pseudo to a constant followed by a set of a subword of that
11712 register to a constant.
11714 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11716 * basic-block.h (control_flow_graph): Change the type of
11717 x_label_to_block_map to VEC(basic_block,gc) *.
11718 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11719 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11721 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11722 VEC(basic_block,heap) *.
11723 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11724 ssa_prop_fini): Adjust the uses of cfg_blocks.
11726 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11728 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11730 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11731 hashing trees instead of a pointer hash.
11732 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11733 compare for MEM_EXPR.
11735 PR rtl-optimization/25130
11736 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11737 when comparing MEMs for GCSE
11739 2006-01-03 Ben Elliston <bje@au.ibm.com>
11741 * targhooks.h (default_decimal_float_supported_p): Declare.
11742 * targhooks.c (default_decimal_float_supported_p): Define.
11743 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11744 `default_decimal_float_supported_p'.
11745 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11747 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11749 * combine.c (apply_distributive_law <SUBREG>): Check
11750 TRULY_NOOP_TRUNCATION.
11752 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11754 * dwarf2out.c (have_switched_text_section): Delete.
11755 (have_multiple_function_sections): New.
11756 (have_location_lists): Make 'bool'.
11757 (add_AT_loc_list): Use 'true' not '1'.
11758 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11759 (output_loc_list): Use have_multiple_function_sections.
11760 (output_ranges): Likewise.
11761 (dwarf2out_begin_function): Set have_multiple_function_sections if
11763 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11764 Check function_section rather than DECL_SECTION_NAME.
11765 (dwarf2out_finish): Use have_multiple_function_sections.
11766 Don't clear have_location_lists.
11768 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11769 Jan Hubicka <jh@suse.cz>
11771 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11772 case of conditional jump jumping to the next instruction.
11773 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11774 cases of conditional jump jumping to the next instruction.
11776 2006-01-02 Jan Hubicka <jh@suse.cz>
11778 * i386.c (*_cost): Add COSTS_N_INSNS.
11779 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11781 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11784 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11786 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11788 * config/arm/arm.c (all_fpus): Fix comment typo.
11789 * config/darwin.c: Likewise.
11790 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11791 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11792 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11794 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11796 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11797 (rs6000_split_compare_and_swapqhi): New.
11798 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11799 (sync_compare_and_swapqhi_internal): New.
11800 * config/rs6000/rs6000-protos.h: Declare.