1 2006-05-30 Roger Sayle <roger@eyesopen.com>
3 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6 2006-05-30 Roger Sayle <roger@eyesopen.com>
8 PR tree-optimization/23452
9 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
12 complex values and with -ffast-math for FP complex values.
14 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
16 * c-common.h: Remove the prototype for yyparse.
17 * rtl.h: Remove the prototype for init_loop.
19 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
21 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
24 2006-05-30 Roger Sayle <roger@eyesopen.com>
26 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
28 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
29 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
31 2006-05-30 Dirk Mueller <dmueller@suse.de>
34 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
35 for CONSTANT_CLASS_P expresisons.
37 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
40 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
42 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
44 PR tree-optimization/27779
45 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
46 initial_condition instead of CHREC_LEFT.
48 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
50 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
51 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
52 Make prototypes ISO C90.
54 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
55 Leehod Baruch <leehod.baruch@weizmann.ac.il>
57 * see.c (see_analyze_one_def): Correct check.
58 (see_get_extension_data): Check if extension is parallel.
59 (see_get_extension_reg): Likewise.
61 2006-05-30 Uros Bizjak <uros@kss-loka.si>
64 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
65 into register for (code == GTU).
67 2006-05-29 Roger Sayle <roger@eyesopen.com>
69 PR tree-optimization/24964
70 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
71 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
72 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
73 abs(x)*abs(x) as x*x for scalar floating point modes.
75 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
78 * lambda-code.c (perfect_nestify): Don't copy statements
79 in the inner loop: move them to the inner loop header.
81 2006-05-29 Diego Novillo <dnovillo@redhat.com>
84 * c-tree.texi: Document OpenMP directives and clauses.
86 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
88 * varasm.c (globalize_decl): Fix indentation.
90 2006-05-29 Diego Novillo <dnovillo@redhat.com>
93 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
94 pass_fre, pass_store_ccp, pass_copy_prop,
95 pass_store_copy_prop, pass_merge_phi, pass_nrv,
96 pass_return_slot, pass_object_size, pass_lim,
97 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
98 pass_loop_prefetch and pass_stdarg.
100 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
102 * config/bfin/bfin.opt (mfdpic): New option.
103 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
104 (EXTRA_MULTILIB_PARTS): Likewise.
105 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
106 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
108 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
109 (CRT_CALL_STATIC_FUNCTION): New.
110 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
112 (CRT_CALL_STATIC_FUNCTION): New.
113 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
115 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
116 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
117 (initialize_trampoline): Changed to handle FD-PIC code generation.
118 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
119 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
120 (override_options): Disallow -mid-shared-library -mfdpic combination.
121 Can't do unaligned ops if FD-PIC.
122 Turn off flag_pic if trying to generate non-id-shared-library
123 non-fdpic code, since it's not supported.
124 (bfin_assemble_integer): New function.
125 (TARGET_ASM_INTEGER): Define.
126 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
128 * config/bfin/crtn.s: Restore them.
129 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
131 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
132 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
133 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
134 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
135 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
137 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
138 FDPIC_REGS and FDPIC_FPTR_REGS.
139 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
140 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
141 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
142 (load_funcdescsi): New pattern.
143 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
144 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
145 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
147 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
149 * gcse.c, rtlanal.c: Remove obsolete comments associated with
152 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
154 * tree-flow.h: Remove the prototype for add_type_alias.
155 * tree-ssa-alias.c (add_type_alias): Remove.
157 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
159 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
160 config/fr30/fr30.md, config/i386/i386-interix.h,
161 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
162 config/sh/superh64.h, config/v850/v850.c, df-core.c,
163 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
164 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
165 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
166 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
167 Follow spelling conventions.
168 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
169 Follow spelling conventions.
171 2006-05-27 Richard Guenther <rguenther@suse.de>
174 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
175 to produce a constant of value 1 of generic type.
177 2006-05-27 Dirk Mueller <dmueller@suse.de>
179 * cgraphunit.c (decide_is_function_needed): Fix wrong
182 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
184 PR rtl-optimization/27661
185 * reload.c (find_reloads): When reloading a VOIDmode constant
186 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
187 use Pmode as mode of the reload register.
189 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
191 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
192 is enabled at -O and above.
194 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
197 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
200 2006-05-25 Mark Mitchell <mark@codesourcery.com>
203 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
204 for anonymous variables explicitly declared by front ends.
206 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
208 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
209 (struct alias_info): Add new field ref_all_symbol_mem_tag.
210 * tree-ssa-alias.c (compute_may_aliases): If the program contains
211 ref-all pointers, run a finalization pass for them.
212 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
213 (finalize_ref_all_pointers): New function.
214 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
215 regular pointer type to a ref-all pointer type.
216 (get_tmt_for): Return the special memory tag for ref-all pointers.
218 2006-05-25 Richard Guenther <rguenther@suse.de>
221 * fold-const.c (fold_binary): Do not look at the stripped
222 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
224 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
226 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
227 for LT and GT if the computed range is effectively empty.
229 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
232 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
233 mips_quad_format formats instead of ieee_single_format,
234 ieee_double_format and ieee_quad_format formats, respectively.
236 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
238 PR tree-optimization/27639
239 PR tree-optimization/26719
240 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
241 call to scev_probably_wraps_p.
242 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
243 used_in_pointer_arithmetic_p, convert_step): Removed.
244 (nowrap_type_p): New function.
245 (scev_probably_wraps_p): Rewritten.
246 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
247 chrec_convert if chrec_convert_aggressive might have been used.
248 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
249 scev_direction): New functions.
250 (chrec_convert): Changed to a wrapper over chrec_convert_1.
251 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
252 instead of convert_step.
253 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
254 (convert_step): Declaration removed.
255 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
257 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
259 * df-core.c: Added to header comments.
260 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
261 df_ur_bb_info, df_urec_bb_info): Added comments.
262 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
263 urec, ri problems): Fixed header comments.
264 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
265 code from df_rd_transfer_function.
267 2006-05-23 Richard Sandiford <richard@codesourcery.com>
269 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
270 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
271 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
273 2006-05-23 Joseph Myers <joseph@codesourcery.com>
275 * expr.c (undefined_operand_subword_p): New.
276 (emit_move_multi_word): Do not generate move from undefined bits
277 of a paradoxical subreg.
279 2006-05-23 Richard Sandiford <richard@codesourcery.com>
281 PR rtl-optimization/27736
282 * combine.c (replaced_rhs_value): New variable.
283 (combine_instructions): Set it.
284 (distribute_notes): When distributing a note in replaced_rhs_insn,
285 check whether the value was used in replaced_rhs_value.
287 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
290 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
291 add_referenced_var instead of add_referenced_tmp_var.
292 * tree-complex.c (create_one_component_var): Use add_referenced_var.
293 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
295 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
296 tree_optimize_tail_calls_1): Use add_referenced_var.
297 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
298 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
299 Use add_referenced_var.
300 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
301 * gimplify.c (force_gimple_operand): Use add_referenced_var.
302 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
303 Use add_referenced_var.
304 * tree-dfa.c (struct walk_state): Remove.
305 (find_referenced_vars): Remove walk state and vars_found hash table.
306 (make_rename_temp): Use add_referenced_var.
307 (find_vars_r): Pass less parameters to add_referenced_var.
308 (referenced_var_p): New. Is var in referenced_var hash table.
309 (referenced_var_insert): Assert var isn't already in hash table.
310 (add_referenced_var): Don't need walk_state parameter. Add var if it
311 isn't already in the hash table.
312 (add_referenced_tmp_var): Remove.
313 (find_new_referenced_vars_1): Use add_referenced_var.
314 * tree-ssa-pre.c (create_expression_by_pieces,
315 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
316 Use add_referenced_var.
317 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
318 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
319 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
321 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
322 vect_create_data_ref_ptr, vect_create_destination_var,
323 vect_init_vector, vect_build_loop_niters,
324 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
325 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
326 Use add_referenced_var.
327 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
328 * tree-flow.h (add_referenced_tmp_var): Remove prototype
329 (add_referenced_var): Add prototype.
330 * tree-ssa-structalias.c (get_constraint_for,
331 intra_create_variable_infos): Use add_referenced_var.
333 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
335 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
336 big-endian paradoxical subregs.
337 * var-tracking.c (struct micro_operation_def): Document that,
338 for modify micro operations, insn is the subsequent instruction.
339 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
340 (var_reg_set, var_mem_set): ... new functions.
341 (add_stores): Record subsequent insn.
342 (compute_bb_dataflow): Use new functions for MO_USE.
343 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
344 notes after the insn, and modify notes before the insn known
345 to be the subsequent one.
346 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
348 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
351 * config/i386/i386.c (ix86_expand_builtin): Use
352 gen_sse3_monitor64 for TARGET_64BIT.
354 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
356 PR rtl-optimization/26375
357 PR rtl-optimization/26855
358 * df-problems (df_ru_bb_local_compute_process_def): Removed update
360 (df_ru_bb_local_compute): Reversed statements and removed bogus
361 comment explaining why they should be in wrong order.
362 (df_ru_dump, df_rd_dump): Enhanced debug info.
363 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
365 * ddg.c (add_deps_for_def): Converted use of reaching defs to
366 reaching uses and fixed space problem.
368 2006-05-23 Jan Hubicka <jh@suse.cz>
370 * cgraphunit.c (decide_is_function_needed): Also nested functions
371 and functions declared inline can be optimized out at -O0.
373 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
375 * doc/install.texi (Configuration): Remove reference to CrossGCC
376 FAQ which was hijacked.
379 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
382 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
383 ix86_compare_emitted is non-NULL.
385 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
388 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
391 2006-05-22 Richard Sandiford <richard@codesourcery.com>
393 PR rtl-optimization/25514
394 * combine.c (replaced_rhs_insn): New variable.
395 (combine_instructions): Set replaced_rhs_insn when trying to replace
396 a SET_SRC with a REG_EQUAL note.
397 (distribute_notes): Use replaced_rhs_insn when determining the live
398 range of a REG_DEAD register.
400 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
401 Anatoly Sokolov <aesok@post.ru>
403 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
404 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
405 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
406 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
407 atmega3290, atmega649, atmega6490, atmega406, atmega640,
408 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
409 at90usb647, at90usb1286 and at90usb1287 devices.
410 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
411 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
413 2006-05-22 Richard Sandiford <richard@codesourcery.com>
415 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
417 2006-05-22 Richard Guenther <rguenther@suse.de>
420 2006-01-31 Richard Guenther <rguenther@suse.de>
421 Paolo Bonzini <bonzini@gnu.org>
423 * doc/install.texi (--disable-libgcc-math): Document.
425 2006-05-22 Richard Guenther <rguenther@suse.de>
428 2006-01-31 Richard Guenther <rguenther@suse.de>
430 * doc/invoke.texi (-msselibm): Document.
431 * target.h (expand_library_builtin): New target hook.
432 * builtins.c (expand_builtin): Use expand_library_builtin.
433 (default_expand_library_builtin): New function.
434 * gcc.c (LINK_GCC_MATH_SPEC): Define.
435 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
436 (link_gcc_math_spec): Declare.
437 (static_specs): Add link_gcc_math_spec.
438 * expr.h (default_expand_library_builtin): Declare.
439 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
440 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
441 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
442 * config/i386/i386.opt (msselibm): New target option.
443 * config/i386/i386.c (ix86_builtin_function_variants): New array.
444 (ix86_init_sse_abi_builtins): New function.
445 (ix86_expand_library_builtin): Likewise.
446 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
447 (override_options): Handle error conditions wrt -msselibm.
448 (ix86_builtins): Add function codes for SSE2 ABI builtins.
449 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
450 * doc/extend.texi (__builtin_sse2_*): Document new target specific
453 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
456 * c-common.c (self_promoting_args_p): Skip erroneous args.
459 * c-decl.c (finish_struct): Skip erroneous fields.
461 2006-05-22 Nick Clifton <nickc@redhat.com>
463 * config/cris/cris.opt (march): Remove VarExists attribute.
464 (max-stackframe=): Likewise.
466 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
468 * doc/rtl.texi: Fix a typo.
469 * see.c: Fix comment typos.
471 * tree-ssa-structalias.h (alias_info): Remove num_references.
473 2006-05-21 Mike Stump <mrs@apple.com>
475 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
477 (darwin_pragma_options): Use BAD instead.
478 (darwin_pragma_unused): Likewise.
479 (darwin_pragma_ms_struct): Likewise.
481 2006-05-21 David Edelsohn <edelsohn@gnu.org>
483 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
485 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
487 PR rtl-optimization/27671
488 * simplify-rtx.c (simplify_relational_operation_1): Fix
489 simplifications of (eq/ne (xor x y) y) and
492 PR tree-optimization/26622.
493 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
496 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
498 * tree-cfg.c: Prune whitespace.
499 (debug_tree_cfg): Point to correct header containing the
502 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
505 * cgraphunit.c (verify_cgraph_node): Typo in error message.
507 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
510 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
511 or sorry count is non zero.
513 2006-05-20 Andreas Schwab <schwab@suse.de>
515 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
517 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
518 Kenneth Zadeck <zadeck@naturalbridge.com>
520 PR rtl-optimization/26855
522 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
524 (df_scan_alloc): Added code to properly handle multiword hard
525 registers and add all_blocks parameter.
526 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
527 code to properly handle multiword hard registers.
528 (df_rescan_blocks): Added code to remove deleted blocks from
530 (df_ref_create_structure, df_ref_record): Added code to properly
532 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
533 and set DF_REF_PARTIAL.
534 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
535 (df_uses_record): Added DF_REF_PARTIAL for subreg.
536 (df_scan_add_problem): Added flags parameter.
537 (df_ref_create_structure): Changed switching structure.
538 (df_bb_refs_record): Fixed case where duplicate artificial refs
539 were created. Changed location of flags.
540 (df_record_entry_block_defs): Added code to make stack pointer
541 live in entry block. Refined cases where frame pointer is needed.
542 Changed location of flags.
543 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
544 (df_set_state): Removed function.
545 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
546 df_insn_create_insn_record, df_insn_refs_delete,
547 df_ref_create_structure): Formatting changes.
548 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
549 df_delete_basic_block): New function.
550 (df_init): Changed location of flags.
551 (df_add_problem): Added flags parameter and the way flags are
553 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
554 debug_df_chain): Improved debugging output.
555 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
556 (df_refs_chain_dump): Removed df parameter.
557 (df_iterative_dataflow): Added consistency check.
558 (df_prune_to_subcfg): Made public.
559 (df_analyze_problem): Added blocks_to_init parameter and made
561 (df_ref_record, df_bb_refs_record, df_mark_reg,
562 df_record_exit_block_uses): Whitespace changes.
563 (df_dump): Whitespace changes.
564 * df.h: Some reordering to remove forward references.
565 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
566 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
567 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
568 (dataflow.flags): New field.
569 (df.flag): Deleted field.
570 (df_alloc_function): Added additional bitmap parameter.
571 (df_dependent_problem_function): New type.
572 (df_problem.changeable_flags): New field.
573 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
574 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
575 (df_mw_hardreg): New struct.
576 (DF_INSN_UID_MWS): New macro.
577 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
579 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
580 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
581 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
582 (df_set_state): Removed function.
583 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
584 * df-problems.c (df_chain_dump): Removed df parameter.
585 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
586 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
588 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
589 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
590 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
591 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
592 DF_REF_MUST_CLOBBER cases.
593 (df_ru_bb_local_compute_process_def,
594 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
595 df_lr_bb_local_compute, df_ur_bb_local_compute,
596 df_chain_create_bb): Made subreg aware.
597 (df_ru_bb_local_compute, df_rd_bb_local_compute,
598 df_lr_bb_local_compute, df_lr_bb_local_compute,
599 df_chain_create_bb): Cleanup to use proper macros.
600 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
601 code to fixup bitvectors.
602 (df_ri_alloc): Cleared lifetime.
603 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
604 df_create_unused_note): New function.
605 (df_ri_bb_compute, df_ri_compute): Added code to create/update
606 REG_DEAD and REG_UNUSED notes as well as register information.
607 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
608 df_chains_dump): Fixed crash if problem was never run.
609 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
610 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
611 df_ri_add_problem): Processes flags in uniform manner.
612 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
613 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
614 df_rd_dump, df_urec_free_bb_info): Formatting changes.
615 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
616 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
617 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
618 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
619 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
620 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
621 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
622 * see.c (see_initialize_data): Ditto.
623 * final.c (rest_of_clean_state) Added regstack_completed.
624 * rtl.h (regstack_completed): Ditto.
625 * reg-stack.c (regstack_completed): Ditto.
627 2006-05-19 Mike Stump <mrs@apple.com>
629 * c-tree.h (default_conversion): Remove.
630 * c-common.h (default_conversion): Add.
632 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
634 * tree-vrp.c (valid_value_p): New function.
635 (adjust_range_with_scev): Fail if the value of bound is not
638 2006-05-19 Richard Sandiford <richard@codesourcery.com>
640 * config/mips/linux-unwind.h: Include <asm/unistd.h>
641 (mips_fallback_frame_state): Use syscall numbers to determine
642 the appropriate li instruction for the current ABI. Only use
643 __NR_sigreturn for o32.
645 2006-05-19 Nicolas Setton <setton@adacore.com>
647 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
648 * langhooks.c (lhd_dwarf_name): New function.
649 * langhooks-def.h (lhd_dwarf_name): Declare.
650 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
651 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
652 * ada/misc.c (gnat_dwarf_name): New function.
653 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
655 2006-05-19 Richard Sandiford <richard@codesourcery.com>
657 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
659 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
660 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
661 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
662 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
663 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
664 determine the size of Wtype, etc.
665 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
666 (swfloatfuncs): New variable.
667 (dwfloatfuncs): Likewise.
668 (lib2funcs): Remove floating-point conversion functions from
669 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
670 the set of conversion routines needed. Allow entries to specify
671 an object name, filename and word size. Update users accordingly.
672 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
673 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
677 2006-02-08 Roger Sayle <roger@eyesopen.com>
680 * config/fixtfdi.c: New libgcc source file.
681 * config/fixunstfdi.c: New source file.
682 * config/floatditf.c: New source file.
683 * config/floatunditf.c: New souce file.
684 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
685 files above instead of config/mips/_tilib.c.
686 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
688 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
690 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
691 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
693 2006-05-18 Mike Stump <mrs@apple.com>
695 Fix up vla, vm and [*] sematics.
701 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
702 (c_vla_unspec_p): Add.
704 * c-decl.c (struct c_scope): Add had_vla_unspec.
705 (build_array_declarator): Add support for [*].
706 (grokdeclarator): Likewise.
707 (grokparms): Likewise.
708 (get_parm_info): Likewise.
709 * c-objc-common.c (c_vla_unspec_p): Likewise.
710 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
711 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
712 typeof when argument is a variably modified type not inside sizeof or alignof.
713 (c_parser_direct_declarator_inner): Propagate errors.
714 (c_parser_sizeof_expression): Add support for [*].
715 (c_parser_parms_declarator): Initialize had_vla_unspec.
716 (c_parser_parms_list_declarator): Likewise.
717 * c-typeck.c (c_vla_type_p): Add.
718 (composite_type): Add support for vla compositing.
719 (comptypes_internal): Add support for vla compatibility.
720 (c_expr_sizeof_expr): Evaluate vla arguments.
721 * tree.c (variably_modified_type_p): Update comment for [*].
723 2006-05-18 Michael Matz <matz@suse.de>
726 * config.host: Make assignments to host_xmake_file cumulative.
727 * config.host (*-darwin*): Test $host, not $target.
729 2006-05-12 Stuart Hastings <stuart@apple.com>
731 * config/i386/i386.opt (-mstackrealign): New flag.
732 * config/i386/i386.c (force_align_arg_pointer): New attribute.
733 (ix86_handle_cconv_attribute): Emit error when
734 force_align_arg_pointer attribute collides with too many regparms.
735 (ix86_function_regparm): Limit regparms when used with
736 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
737 Support stack-realigning prologue in non-main functions. Emit
738 warning for nested functions under -mstackrealign, emit error for
739 nested functions with force_align_arg_pointer attribute.
740 * doc/extend.texi (force_align_arg_pointer): Document it.
741 * doc/invoke.texi (-mstackrealign): Document it.
743 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
745 PR rtl-optimization/27477
746 * combine.c (try_combine): Don't split a parallel consisting
747 of two sets into two individual sets if both sets reference
750 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
752 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
753 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
755 * doc/options.texi (VarExists): Updated.
757 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
759 * unwind-dw2.c: Add declarations for uw_update_context and
761 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
762 detected, advance frame state and context once to skip over stub.
764 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
768 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
769 Call rewrite_into_loop_closed_ssa only when something changed.
770 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
771 * lambda-code.c (can_convert_to_perfect_nest): Declared.
772 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
773 Test for perfect_nest_p here. Fix formating.
774 (replace_uses_equiv_to_x_with_y): Fix formating.
775 (stmt_uses_op): Removed.
776 (can_convert_to_perfect_nest): Removed loopivs parameter.
777 Complete the test by checking the scalar dependences.
778 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
781 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
784 From Dan Kegel <dank@kegel.com>:
785 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
787 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
789 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
790 if the element type is variably modified without recursing.
792 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
795 * tree-loop-linear.c (try_interchange_loops): Test for
798 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
800 PR tree-optimization/27548
801 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
802 range of ssa names that appear on abnormal edges.
803 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
804 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
806 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
809 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
811 2006-05-17 Jakub Jelinek <jakub@redhat.com>
814 * tree.h (OMP_PARALLEL_COMBINED): Define.
815 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
816 (new_omp_context): Add is_combined_parallel argument.
817 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
818 new_omp_context caller.
819 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
820 Adjust gimplify_scan_omp_clauses callers.
821 (omp_is_private): Issue errors if iteration variable is firstprivate
822 or reduction in the current context.
823 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
824 on combined parallel workshare constructs.
826 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
828 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
829 (gcc-options.o): New rule.
831 * optc-gen.awk: Protect variables for gcc-options.o with
832 #ifdef GCC_DRIVER/#endif.
834 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
836 Fix PR tree-optimization/27373
837 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
838 (forward_propagate_addr_expr): Update call.
840 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
842 * doc/options.texi: Move the Negative option.
844 2006-05-16 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/22303
847 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
849 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
850 ccp_fold did not simplify the statement.
852 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
855 * Makefile.in (GCC_OBJS): New.
856 (OBJS-common): Add opts-common.o.
857 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
858 (cpp$(exeext)): Likewise.
859 (gcc.o): Also depend on opts.h.
860 (opts-common.o): New.
862 * common.opt (gcoff): Add Negative(gdwarf-2).
863 (gdwarf-2): Add Negative(gstabs).
864 (gstabs): Add Negative(gstabs+).
865 (gstabs+): Add Negative(gvms).
866 (gvms): Add Negative(gxcoff).
867 (gxcoff): Add Negative(gxcoff+).
868 (gxcoff+): Add Negative(gcoff).
869 * config/i386/i386.opt (m32): Add Negative(m64).
870 (m64): Add Negative(m32).
872 * doc/options.texi: Document the Negative option.
874 * gcc.c: Include "opts.h".
875 (main): Call prune_options after expandargv.
877 * optc-gen.awk: Generate common declarations for all flag
878 variables in options.c. Output the neg_index field.
880 * opts.c (find_opt): Moved to ...
881 * opts-common.c: Here. New file.
883 * opts.h (cl_option): Add a neg_index field.
885 (prune_options): Likewise.
887 2006-05-16 Jakub Jelinek <jakub@redhat.com>
890 * omp-low.c (expand_omp_parallel): Don't assert
891 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
892 instead search for it.
895 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
898 2006-05-16 Andreas Schwab <schwab@suse.de>
900 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
903 2006-05-15 Roger Sayle <roger@eyesopen.com>
906 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
907 integer constants other than zero are only legitimate on TARGET_64BIT.
908 <CONST_VECTOR> Only zero vectors are legitimate.
909 (ix86_cannot_force_const_mem): Integral and vector constants can
910 always be put in the constant pool.
912 2006-05-16 DJ Delorie <dj@redhat.com>
914 * crtstuff.c (__dso_handle): Set section from
915 TARGET_LBIGCC_SDATA_SECTION if defined.
916 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
917 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
919 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
922 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
925 2006-05-16 Ben Elliston <bje@au.ibm.com>
927 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
929 2006-05-15 Per Bothner <per@bothner.com>
931 * tree.c: (last_annotated_node): Use sources_locus typedef.
932 This permits bootstrapping with --enable-mapped-location.
934 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
936 PR tree-optimization/26830
937 * tree-into-ssa.c (struct ssa_name_info): Add age field.
938 (info_for_ssa_name, current_info_for_ssa_name_age,
939 blocks_to_update): New variables.
940 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
941 (clear_ssa_name_info, initialize_flags_in_bb,
942 mark_block_for_update): New functions.
943 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
944 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
945 prepare_def_site_for): Use mark_block_for_update.
946 (mark_def_interesting): Assert that the processed block is marked in
947 blocks_to_update. Do not take blocks argument.
948 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
950 (rewrite_update_init_block, rewrite_update_stmt): Only process
951 blocks with statements to rewrite.
952 (delete_update_ssa): Do not clear SSA_NAME_AUX.
953 (update_ssa): Initialize and free blocks_to_update. Do not
954 clear flags on statements. Do not use blocks bitmap.
955 * tree.h (SSA_NAME_AUX): Removed.
956 (struct tree_ssa_name): Removed aux field.
957 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
959 2006-05-15 Richard Guenther <rguenther@suse.de>
961 PR tree-optimization/27603
962 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
963 Do computations in original type.
965 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
967 * see.c: Code style changes such as redundant paranthesis,
968 redundant intialization of local variables etc.
969 (see_main): Declared now as static.
970 * doc/invoke.texi: Update that -fsee is not enabled by
973 2006-05-15 Jakub Jelinek <jakub@redhat.com>
975 * omp-low.c (check_omp_nesting_restrictions): New function.
976 (scan_omp_1): Call it.
979 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
980 construct, return *VAR.
982 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
984 PR rtl-optimization/27406
985 * bt-load.c (migrate_btr_def): Skip the block having abnormal
988 2006-05-14 Roger Sayle <roger@eyesopen.com>
990 PR rtl-optimization/27538
991 * combine.c (expand_compound_operation): Call gen_lowpart
992 before calling simplify_shift_const.
994 2006-05-14 Roger Sayle <roger@eyesopen.com>
996 PR rtl-optimization/22563
997 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
998 a fixed width bitfield, always force the intermediates into psuedos.
1000 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1003 * mkconfig.sh: Use operator = instead of == for test.
1005 2006-05-13 Nick Clifton <nickc@redhat.com>
1007 * dwarf2out.c (dbx_reg_number): Check return value from
1008 LEAF_REG_REMAP and only use it if it is valid.
1009 (multiple_reg_loc_descriptor): Likewise.
1011 2006-05-13 Richard Guenther <rguenther@suse.de>
1013 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1016 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1018 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1019 information attached to non-INSNs such as NOTEs.
1020 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1022 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1024 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1026 * config/s390/s390.md: Adjust comment describing On constraint.
1028 2006-05-11 Jan Hubicka <jh@suse.cz>
1030 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1031 to be output at -O0.
1033 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1036 * fold-const.c (size_binop): Move sanity check for arguments to
1037 the beginning of the function.
1040 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1043 2006-05-11 Richard Guenther <rguenther@suse.de>
1046 * fold-const.c (fold_unary): Handle intermediate conversion
1047 to a pointer type like intermediate conversion to an integer
1048 type in folding of (T1)(T2)var to var.
1049 Match the code to the comment in the final conversion for
1050 (T1)(T2)var to (T1)var regarding to type precision. Rather
1051 than disallow T1 being of pointer type, assert that both T1
1052 and var are of pointer type or not. Make sure not to fall
1053 over the frontends lazyness wrt array to pointer decay though.
1055 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1057 * arm.c (arm_struct_value_rtx): Delete.
1058 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1059 (arm_init_cumulative_args): Always initialize nregs to zero.
1061 2006-05-10 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/27532
1064 * tree-object-size.c (plus_expr_object_size): Fix typo.
1066 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1069 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1070 ashrdi_const, ashrdi3): Use a scratch register.
1072 2006-05-10 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/27302
1075 * fold-const.c (operand_equal_p): For two comparisons,
1076 try comparison of one comparison code swapped if that yields
1079 2006-05-10 Ben Elliston <bje@au.ibm.com>
1081 * tree-pretty-print.c (pretty_print_string): No need to handle
1082 '\0' as a special character.
1084 * tree.h: Include "hashtab.h".
1085 (iterative_hash_expr): Use hashval_t in its prototype.
1086 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1088 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1091 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1092 (hppa*64*-*-hpux11*): Ditto.
1093 (hppa[12]*-*-hpux11*): Ditto.
1095 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1098 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1100 2006-05-09 Michael Matz <matz@suse.de>
1102 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1103 host_extra_gcc_objs and host_xmake_file.
1104 (<*-*-linux*>): Don't overwrite host_xmake_file.
1105 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1106 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1107 (host_detect_local_cpu): Declare.
1108 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1109 * config/i386/i386.c (override_options): Handle -mtune=native
1111 * config/i386/x-i386: New file.
1112 * config/i386/driver-i386.c: New file.
1113 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1116 2006-05-09 Dirk Mueller <dmueller@suse.de>
1117 Richard Guenther <rguenther@suse.de>
1120 * fold-const.c (fold_read_from_constant_string): Relax check
1121 for matching types to matching modes.
1123 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1125 PR rtl-optimization/27335
1126 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1129 2006-05-08 Chao-ying Fu <fu@mips.com>
1130 Richard Sandiford <richard@codesourcery.com>
1132 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1133 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1134 * config/mips/mips.md (UNSPEC_SCC): New constant.
1135 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1136 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1137 (mips_emit_compare): Use it.
1138 (mips_expand_vcondv2sf): New function.
1140 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1142 Fix PR tree-optimization/27093
1143 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1144 renaming when they become not-used_alone.
1146 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1148 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1149 relocation and relocation stubs.
1151 2006-05-08 Eric Christopher <echristo@apple.com>
1153 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1156 2006-05-08 Jan Hubicka <jh@suse.cz>
1159 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1160 unused static functions are needed.
1162 2006-05-08 Roger Sayle <roger@eyesopen.com>
1165 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1166 of a reg_equiv_constant if the result is a legitimate constant.
1168 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1171 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1172 standard 80387 constants, raise the cost to prevent
1173 compress_float_constant() to generate load from memory.
1175 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1177 * config/arm/constraints.md (c): Fix a typo.
1179 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1182 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1185 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1187 (_mm_mwait): Likewise.
1189 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1191 (sse3_monitor): Make it 32bit only.
1192 (sse3_monitor64): New. 64bit monitor.
1194 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1197 * config/i386/i386.c (classify_argument): Skip fields with invalid
1200 2006-05-07 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/27409
1203 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1204 Do not try to find zero-sized subvars.
1206 2006-05-07 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/27136
1209 * tree-ssa-loop-niter.c (get_val_for): Correct function
1210 comment, assert requirements.
1211 (loop_niter_by_eval): Stop processing if the iterated
1212 value did not simplify.
1214 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1216 * opts.c (flag_see): remove its setting at -O3.
1218 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1220 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1221 * arm/constraints.md: New file.
1222 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1223 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1224 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1225 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1226 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1227 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1228 * arm.md: Include constraints.md.
1229 (thumb_movsi_insn): Use satisfies_constraint_J.
1230 (movhi, movqi): Use satisfies_constraint_I.
1232 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1234 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1235 for atmeg a645 device.
1237 2006-05-06 Richard Guenther <rguenther@suse.de>
1239 PR tree-optimization/27151
1240 * tree-vect-transform.c (vectorizable_condition): Punt on
1241 values that have a different type than the condition.
1243 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1246 * c-parser.c (c_parser_cast_expression): Only insert casts into
1247 hash table if pointer.
1248 * function.c (used_types_insert_helper): Rename from
1250 (used_types_insert): Call used_types_insert_helper.
1251 * function.h (used_types_insert): Accept only one argument.
1253 2006-05-05 David Edelsohn <edesohn@gnu.org>
1255 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1256 scratch with output modifier.
1258 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1261 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1262 with output modifier.
1264 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1267 * config/mips/mips.c (mips_symbolic_address_p): Return true
1268 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1269 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1271 2006-05-04 Richard Guenther <rguenther@suse.de>
1273 PR tree-optimization/14287
1274 PR tree-optimization/14844
1275 PR tree-optimization/19792
1276 PR tree-optimization/21608
1277 PR tree-optimization/27090
1278 * tree-ssa-pre.c (try_combine_conversion): New function.
1279 (compute_avail): After constructing the value-handle
1280 expression, use try_combine_conversion to combine NOP_EXPRs
1281 with previous value-handle expressions and use the result if it
1284 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1286 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1288 2006-05-04 Jan Hubicka <jh@suse.cz>
1291 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1293 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1295 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1296 that this only matches CONST_INTs. All users changed to VOIDmode
1299 * config/bfin/bfin.c: Include "optabs.h".
1300 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1302 (enum bfin_builtins): Add a number of fractional and vector builtins.
1303 (bfin_init_builtins): Likewise.
1304 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1305 (safe_vector_operand, bfin_expand_binop_builtin,
1306 bfin_expand_unop_builtin): New functions.
1307 (bfin_expand_builtin): Handle the new builtins.
1308 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1311 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1314 * Makefile.in (OBJS-common): Add see.o.
1315 (see.o): Add dependencies.
1316 * common.opt (fsee): New flag for the see optimization was added.
1317 * opts.c (flag_see): Initialized.
1318 * passes.c (init_optimization_passes, pass_see): New pass.
1319 * rtl.h (see_main): Declaration as extern.
1320 * timevar.def (TV_SEE): New.
1321 * tree-pass.h (pass_see): Declaration as extern.
1322 * invoke.texi (-fsee): Document.
1323 * recog.c (validate_simplify_insn): New function.
1324 * recog.h (validate_simplify_insn): Declaration as extern.
1325 * df-problems.c (df_chain_dump): Check for NULL.
1327 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1328 Daniel Berlin <dberlin@dberlin.org>
1330 * cfgrtl.c (insert_insn_bb_end_new): New function.
1331 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1333 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1335 * df.h (struct web_entry): Moved from web.c.
1336 (union_defs): Declaration as extern.
1337 (unionfind_root): Likewise.
1338 (unionfind_union): Likewise.
1339 * web.c (struct web_entry): Moved to df.h.
1340 (unionfind_root): Remove static declaration.
1341 (unionfind_union): Likewise.
1342 (union_defs): Likewise and generalize to use callback function.
1343 (web_main): Update arguments for union_defs function call.
1345 2006-05-04 Richard Guenther <rguenther@suse.de>
1347 PR tree-optimization/26447
1348 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1349 produce SSA_NAME copies before the store stmt to avoid
1350 breaking exception handling.
1352 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1355 * gimplify.c (omp_is_private): If var is shared in some outer context,
1356 return false instead of true. Stop searching on parallel context
1359 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1362 * coverage.c: Use get_gcov_unsigned_t() instead of
1363 unsigned_type_node all over.
1365 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1367 PR tree-optimization/27381
1368 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1369 maintain the same immediate_use links.
1370 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1371 node rather than segfaulting.
1373 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1376 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1377 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1378 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1380 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1382 Fix PR tree-optimization/26626
1383 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1385 * tree-ssa-operands.c (access_can_touch_variable): Allow
1386 typecasting through union pointers.
1388 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1391 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1392 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1393 to find if var will be a global variable even in the nested context.
1394 (omp_copy_decl): Only check for global variable at the end, it might
1395 be overridden in outer contexts.
1396 (scan_sharing_clauses): For global variables don't create a field.
1397 (lower_rec_input_clauses): Do nothing for global shared variables.
1398 Emit a barrier at the end of ILIST if there were any decls in both
1399 firstprivate and lastprivate clauses.
1400 (lower_send_clauses): Do nothing for global variables except for
1403 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1405 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1406 of the correct signedness is returned.
1408 2006-05-02 Jeff Law <law@redhat.com>
1410 PR tree-optimization/27364
1411 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1412 multiply expressions.
1414 2006-05-02 Tom Tromey <tromey@redhat.com>
1416 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1418 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1421 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1422 -mthumb -fPIC are used.
1424 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1425 Joshua Kinard <kumba@gentoo.org>
1428 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1429 with 64-bit pointers.
1431 2006-05-02 Paul Brook <paul@codesourcery.com>
1433 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1435 (create_fix_barrier): Check that a suitable barrier location is
1437 (arm_reorg): Include ftmp->address in allowable range of addresses.
1439 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1442 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1445 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1448 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1449 around RESULT_DECL for result passed by reference.
1450 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1451 * omp-low.c (use_pointer_for_field): Don't look at
1452 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1453 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1454 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1455 time or var for passing by reference for
1456 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1457 TREE_ADDRESSABLE variables when passing by reference.
1459 * omp-low.c (dump_omp_region): Fix output formatting.
1462 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1463 (expand_omp_parallel): Likewise.
1464 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1467 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1468 on statement list containing also constructors and destructors.
1469 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1472 * except.c (duplicate_eh_regions): Fix clearing of
1473 cfun->eh->region_array entries.
1475 2006-05-01 DJ Delorie <dj@redhat.com>
1477 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1479 (gcc_cv_objdump): Likewise.
1480 * configure: Regenerated.
1482 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1485 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1486 templates for case 3 and 4.
1488 2006-05-01 DJ Delorie <dj@redhat.com>
1490 * vec.c: Include bconfig.h when appropriate.
1491 * Makefile.in (build/vec.o): Adjust dependencies.
1492 * mkconfig.sh: Make sure config.h isn't used for build machine
1495 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1497 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1499 (mark_phi_for_rewrite): New function.
1500 (insert_phi_nodes_for, mark_use_interesting): Call
1501 mark_phi_for_rewrite.
1502 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1503 (update_ssa): Initialize and free phis_to_rewrite.
1505 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1507 PR rtl-optimization/27291
1508 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1509 folded to a constant.
1511 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1513 PR tree-optimization/27283
1514 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1515 not whole # of iteration descriptions.
1516 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1517 uses abnormal ssa name.
1518 (niter_for_single_dom_exit): Ditto.
1519 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1520 return just the number of iterations.
1522 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1524 PR tree-optimization/27144
1525 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1526 (record_estimate): Only record constant upper bound.
1527 (infer_loop_bounds_from_undefined): Call
1528 compute_estimated_nb_iterations just once.
1529 (proved_non_wrapping_p): Renamed to ...
1530 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1531 (convert_step_widening, scev_probably_wraps_p): Call
1532 n_of_executions_at_most instead of proved_non_wrapping_p.
1533 (substitute_in_loop_info): Do not replace values in bounds.
1534 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1537 2006-05-01 Richard Henderson <rth@redhat.com>
1540 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1541 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1544 2006-05-01 Roger Sayle <roger@eyesopen.com>
1546 * c-typeck.c (parser_build_binary_op): Don't call the function
1547 unsigned_conversion_warning to spot operand/result type overflow.
1548 (build_binary_op): Instead, call convert_and_check instead of
1549 convert to report the problem when the operands are promoted.
1550 * c-common.c (unsigned_conversion_warning): Make static.
1551 * c-common.h (unsigned_conversion_warning): Delete prototype.
1553 2006-05-01 Richard Guenther <rguenther@suse.de>
1555 PR tree-optimization/26726
1556 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1558 (find_interesting_uses_address): ... we work around here
1559 by folding INDIRECT_REFs in the substituted base.
1561 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1563 * omp-low.c (dump_omp_region): Add newlines.
1565 2006-04-30 Roger Sayle <roger@eyesopen.com>
1567 * common.opt (Woverflow): New command line option.
1568 * c-common.c (constant_expression_warning): Check warn_overflow.
1569 (overflow_waring): Pass OPT_Woverflow to warning.
1570 (unsigned_conversion_warning): Likewise.
1571 (convert_and_check): Likewise.
1572 * doc/invoke.texi: Document new command line option.
1574 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1576 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1577 TARGET_NO_FP_IN_TOC for section anchors.
1578 (optimization_options): Enable section anchors for all
1579 non-"Objective" languages.
1581 2006-04-28 Eric Christopher <echristo@apple.com>
1583 * config/darwin-c.c (darwin_ms_struct): Move this
1584 (darwin_set_default_type_attributes): and this...
1585 * config/darwin.c: ... here.
1586 * config/darwin.h (darwin_ms_struct): Declare.
1588 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1592 2006-04-28 Roger Sayle <roger@eyesopen.com>
1595 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1596 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1597 an unsigned HOST_WIDE_INT.
1598 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1600 (really_start_incremental_init): No need to call convert because
1601 bitsize_zero_node is already of type bitsizetype.
1602 (push_init_level): Extract the value of constructor_index as an
1603 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1604 (process_init_element): Likewise.
1606 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1608 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1609 value before passing to make_relative_prefix.
1611 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1614 * builtins.c (expand_builtin_memset): Expand val in original mode.
1616 2006-04-27 Eric Christopher <echristo@apple.com>
1618 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1619 with #ifndef/#endif.
1620 * config/darwin-c.c (darwin_ms_struct): New.
1621 (darwin_pragma_ms_struct): Ditto.
1622 (darwin_set_default_type_attributes): Ditto.
1623 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1624 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1625 Register ms_struct pragma.
1626 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1627 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1628 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1629 darwin_set_default_type_attributes if TARGET_MACHO.
1631 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1633 PR tree-optimization/26854
1634 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1635 * doc/tree-ssa.texi: Update immuse iterator documentation.
1636 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1637 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1638 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1639 first_safe_imm_use, next_safe_imm_use): Remove.
1640 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1641 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1642 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1643 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1644 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1645 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1646 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1647 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1648 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1649 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1650 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1651 (perfect_nestify): Use new iterator.
1652 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1654 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1655 (next_imm_name): New field in struct immediate_use_iterator_d.
1656 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1657 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1658 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1659 * tree-cfg.c (replace_uses_by): Use new iterator.
1660 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1661 * tree-ssa-operands.c (correct_use_link): Remove.
1662 (finalize_ssa_use_ops): No longer call correct_use_link.
1664 2006-04-27 Stuart Hastings <stuart@apple.com>
1666 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1667 * config/t-darwin (crt3.o): Use it.
1668 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1669 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1670 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1671 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1672 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1675 2006-04-27 Roger Sayle <roger@eyesopen.com>
1677 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1678 size, force the intermediate into a new pseudo rather instead of
1679 performing both a bitwise AND and a bitwise IOR in memory.
1681 2006-04-27 Richard Guenther <rguenther@suse.de>
1683 PR rtl-optimization/26685
1684 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1685 this one "max-flow-memory-locations".
1687 2006-04-27 Richard Guenther <rguenther@suse.de>
1689 PR tree-optimization/25148
1690 * tree-vrp.c (compare_values): Remove code dealing with
1691 comparisons against type min/max value. Honour overflow
1692 and negative constants in code dealing with comparisons
1693 of plus and minus expressions.
1694 (value_inside_range): Use fold_binary with LE_EXPR and
1695 GE_EXPR rather than compare_values.
1697 2006-04-27 Dirk Mueller <dmueller@suse.de>
1699 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1702 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1704 * basic-block.h (safe_insert_insn_on_edge): Removed.
1705 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1707 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1708 Paolo Bonzini <bonzini@gnu.org>
1711 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1712 (simplify_and_const_int): Same.
1714 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1716 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1718 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1721 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1722 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1723 cgraph_global_info_ready.
1726 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1729 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1730 either decl or init is error_mark_node.
1733 * tree-flow.h (struct omp_region): Add sched_kind.
1734 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1735 instead of extracting omp for data.
1736 (expand_omp_for): Save extracted sched_kind.
1738 2006-04-25 Roger Sayle <roger@eyesopen.com>
1740 * expmed.c (store_bit_field): Also check whether the bitsize is
1741 valid for the machine's "insv" instruction before moving the
1742 target into a pseudo for use with the insv.
1743 * config/i386/predicates.md (const8_operand): New predicate.
1744 * config/i386/i386.md (extv, extzv, insv): Use the new
1745 const8_operand predicate where appropriate.
1747 2006-04-25 DJ Delorie <dj@redhat.com>
1749 * doc/install.texi (Specific): Clarify that this is not a list of
1750 supported hosts or targets.
1752 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1754 PR rtl-optimization/26725
1755 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1756 block's BB_DIRTY flag.
1758 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1760 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1763 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1764 to print an integer.
1766 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1768 * varasm.c (align_variable): New function.
1769 (get_block_for_decl): Apply align_variable to DECL before
1770 calculating section information.
1771 (assemble_variable): Split out alignment computation.
1773 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1775 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1778 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1780 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1781 MODE_PARTIAL_INT mode.
1782 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1783 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1785 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1786 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1788 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1790 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1792 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1793 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1794 MACFLAG_IH): Likewise.
1795 (movstricthi_1): Renamed from "*movstricthi".
1796 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1797 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1798 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1799 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1800 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1801 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1802 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1803 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1804 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1805 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1806 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1807 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1808 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1809 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1810 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1812 * doc/rtl.texi (ss_ashift): Improve wording.
1814 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1816 * dwarf2out.c (verify_marks_clear): New.
1817 (prune_unused_types): Call verify_marks_clear initially, not
1820 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1822 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1823 * doc/rtl.texi: Document them.
1824 * simplify-rtx.c (simplify_unary_operation,
1825 simplify_binary_operation_1): Don't abort when we see them.
1827 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1830 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1831 * configure.ac: Completely disregard languages that are not
1833 * configure: Regenerated.
1835 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1836 Richard Guenther <rguenther@suse.de>
1838 PR tree-optimization/27236
1839 * tree-inline.c (copy_body_r): Make sure to copy
1840 TREE_THIS_VOLATILE flag.
1842 2006-04-24 Richard Guenther <rguenther@suse.de>
1845 * tree-complex.c (update_parameter_components): Don't handle
1846 unused parameters which have no default def.
1848 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1849 Richard Guenther <rguenther@suse.de>
1851 PR tree-optimization/27218
1852 * tree-inline.c (expand_call_inline): Strip useless type
1853 conversions for the return slot address.
1855 2006-04-24 Richard Guenther <rguenther@suse.de>
1857 * cfgloop.h (struct loops): Remove unused field array. Reorder
1859 (LOOP_PREFETCH): Remove.
1861 2006-04-24 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/22525
1864 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1865 variable, adjust types of generated expressions.
1867 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1869 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1870 (tree-vect-patterns.o): Likewise.
1872 (cselib.o): Likewise.
1873 (loop-doloop.o): Likewise.
1874 (regclass.o): Likewise.
1875 (reload1.o): Likewise.
1876 (explow.o): Replace target.h with $(TARGET_H).
1877 (ipa-prop.o): Likewise.
1878 (ipa-cp.o): Likewise.
1879 (ipa-inline.o): Likewise.
1880 (reorg.o): Likewise.
1881 (reg-stack.o): Likewise.
1883 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1885 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1887 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1889 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1891 * configure.ac: Completely disregard languages that are not
1893 * configure: Regenerated.
1896 * c-common.h (c_build_bitfield_integer_type): Declare.
1897 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1898 * c-common.c (c_build_bitfield_integer_type): ... here.
1900 2006-04-23 Roger Sayle <roger@eyesopen.com>
1903 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1904 a SImode SUBREG of a floating point register after no_new_pseudos.
1906 2006-04-23 Roger Sayle <roger@eyesopen.com>
1908 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1909 identify potentially eliminable registers to additionally catch
1910 VIRTUAL_INCOMING_ARGS_REGNUM.
1911 (addsi3): Update the conditions on when to use addsi_small_int.
1913 2006-04-23 Roger Sayle <roger@eyesopen.com>
1916 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1917 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1918 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1920 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1922 * fold-const.c (range_predecessor): Use operand_equal_p
1923 as the predicate for equality.
1924 (range_successor): Likewise.
1926 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1929 * config/soft-fp/op-common.h: Fix a typo.
1931 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1934 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1935 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1937 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1939 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1941 * doc/tm.texi: Fix a typo.
1943 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1945 * dwarf2out.c (struct die_struct): Document that die_sib makes
1946 a circular linked list.
1947 (FOR_EACH_CHILD): New.
1948 (reverse_die_lists): Delete.
1949 (reverse_all_dies): Delete.
1950 (add_dwarf_attr): Correct documentation.
1951 (remove_child_with_prev): New.
1952 (remove_child_TAG): Update for change to die_struct, use
1953 remove_child_with_prev.
1954 (add_child_die): Update for change to die_struct.
1955 (splice_child_die): Use remove_child_with_prev and add_child_die.
1956 (print_die): Use FOR_EACH_CHILD.
1957 (die_checksum): Likewise.
1958 (assign_symbol_names): Likewise.
1959 (output_location_lists): Likewise.
1960 (build_abbrev_table): Likewise.
1961 (calc_die_sizes): Likewise.
1962 (mark_dies): Likewise.
1963 (unmark_dies): Likewise.
1964 (unmark_all_dies): Likewise.
1965 (output_die): Likewise.
1966 (prune_unused_types_mark): Likewise.
1967 (prune_unused_types_walk): Likewise.
1968 (same_die_p): Update for change to die_struct.
1969 (break_out_includes): Likewise.
1970 (prune_unused_types_prune): Likewise.
1971 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1972 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1974 (dwarf2out_finish): Don't call reverse_all_dies.
1976 2006-04-21 Eric Christopher <echristo@apple.com>
1978 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1979 in comments and function names.
1981 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1984 * c-typeck.c (digest_init): Robustify.
1986 * c-typeck.c (pop_init_level): Simplify.
1988 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1990 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1992 2006-04-21 Paul Brook <paul@codesourcery.com>
1994 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1995 hardware floating point.
1997 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1999 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2002 2006-04-21 Nick Clifton <nickc@redhat.com>
2004 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2007 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2010 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2011 C++ lang type in traceback table for Objective-C++.
2013 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2015 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2017 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2019 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2022 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2023 were errors. Remove check for erroneous objects.
2025 2006-04-20 Jeff Law <law@redhat.com>
2027 PR tree-optimization/26854
2028 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2029 checking for zero or one use.
2030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2031 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2032 * tree-ssa-reassoc.c (negate_value): Similarly.
2033 (reassociate_bb): Similarly.
2035 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2037 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2038 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2039 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2041 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2043 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2044 fp regs if the last fp arg doesn't fit in regs.
2046 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2049 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2050 that the last insn has the REG_INC note.
2052 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2053 Nathan Sidwell <nathan@codesourcery.com>
2056 * stor-layout.c (update_alignment_for_field): Do not align
2058 (place_union_field): Place union field at the start of the union.
2059 (place_field): Move ERROR_MARK check later, and use the current
2060 allocation position to maintain monotonicity.
2062 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2064 * dominance.c: Include timevar.h.
2065 (calculate_dominance_info): Use TV_DOMINANCE.
2066 * timevar.def (TV_DOMINANCE): New timevar.
2067 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2069 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2071 PR rtl-optimization/14261
2072 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2073 move would be an INSV insn.
2074 (noce_process_if_block): Don't optimize if the destination is a
2075 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2077 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2079 * config/s390/s390.md: Add comments with the instructions emitted
2080 by an insn pattern if macros are used.
2082 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2084 PR rtl-optimization/26026
2085 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2086 is a known power of two shifted left a variable amount.
2088 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2090 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2091 to hash table twice when the debug_str section has SECTION_MERGE.
2093 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2095 * config/soft-fp: New directory. From glibc.
2096 * config/soft-fp/t-softfp: New.
2097 * config/soft-fp/README: New.
2098 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2099 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2100 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2101 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2102 * config.gcc: Use rs6000/t-fprules-fpbit or
2103 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2105 * config/rs6000/sfp-machine.h: New. Based on glibc.
2106 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2108 * config/rs6000/t-fprules: Remove fp-bit rules.
2109 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2110 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2111 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2112 (softfp_wrap_start, softfp_wrap_end): New.
2114 2006-04-18 DJ Delorie <dj@redhat.com>
2116 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2118 2006-04-18 Devang Patel <dpatel@apple.com>
2120 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2122 2006-04-18 Nick Clifton <nickc@redhat.com>
2124 * config/sh/t-symbian: Add rule to build sh-c.o
2125 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2126 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2127 (sh_symbian_encode_section_info): Likewise.
2129 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2131 * builtins.c (expand_builtin_strcmp): Cover label definition of
2132 do_libcall with HAVE_cmpstrnsi.
2134 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2136 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2138 * function.h (temp_slot_p): New.
2139 (function): Change the type of x_used_temp_slots to
2140 VEC(temp_slot_p,gc) *.
2142 2006-04-18 Nick Clifton <nickc@redhat.com>
2144 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2145 flag_strength_reduce.
2147 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2149 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2153 Partial revert of revision 112637
2154 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2155 Dale Johannesen <dalej@apple.com>
2158 * regclass.c (struct reg_pref): Update documentation.
2159 (regclass): Set prefclass to NO_REGS if memory is the best option.
2160 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2162 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2164 PR tree-optimization/26821
2165 * tree-ssa-math-opts.c (get_constant_one): New.
2166 (insert_reciprocals): Use it.
2168 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2170 * dwarf2out.c (free_AT): Delete.
2171 (remove_AT): Update string ref counts.
2172 (remove_child_TAG): Don't call free_die.
2174 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2175 or DW_TAG_GNU_EINCL.
2176 (prune_unused_types_walk_attribs): Reset string refcounts.
2177 (prune_unused_types_update_strings): New.
2178 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2179 call free_die. Do call prune_unused_types_update_strings.
2180 (prune_unused_types): Empty debug_str_hash.
2182 2006-04-17 Roger Sayle <roger@eyesopen.com>
2184 * expr.c (expand_assignment): Optimize away no-op moves where the
2185 source and destination are equal and have no side-effects.
2187 2006-04-17 Richard Guenther <rguenther@suse.de>
2190 * reload.c (push_reload): Guard calls to get_secondary_mem
2193 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2195 * alias.c (reg_base_value, old_reg_base_value): Change the
2196 type to VEC(rtx,gc) *.
2197 (REG_BASE_VALUE, find_base_value, record_set,
2198 init_alias_analysis): Use VEC instead of VARRAY.
2200 * alias.c (alias_sets): Change the type to
2201 VEC(alias_set_entry,gc) *.
2202 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2203 VEC instead of VARRAY.
2204 (last_alias_set): Remove.
2206 * cgraph.h (cgraph_edge_p): New.
2207 Update the prototype of cgraph_function_versioning.
2208 * cgraphunit.c (cgraph_copy_node_for_versioning,
2209 cgraph_function_versioning): Use VEC instead of VARRAY.
2210 * ipa-cp.c (ipcp_insert_stage): Likewise.
2212 2006-04-16 Roger Sayle <roger@eyesopen.com>
2215 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2216 "A op B" or "A op C", we may need to convert A to the type of B and C.
2218 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2220 * target.h (struct gcc_target): Add mode_rep_extended.
2221 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2222 (init_num_sign_bit_copies_in_rep): Initialize it using
2224 (truncate_to_mode): Use it.
2225 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2226 * targhooks.h (default_mode_rep_extended): Declare it.
2227 * targhooks.c (default_mode_rep_extended): Define it.
2228 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2229 default_mode_rep_extended.
2230 (TARGET_INITIALIZER): Include it.
2231 * doc/tm.texi (Misc): Document it.
2232 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2233 (mips_truncated_to_mode): New function.
2235 2006-04-16 Roger Sayle <roger@eyesopen.com>
2238 * expr.c (compress_float_constant): Copy the narrow constant into
2239 a new pseudo before extending it to its final width.
2241 2006-04-16 Roger Sayle <roger@eyesopen.com>
2242 Andrew Pinski <pinskia@gcc.gnu.org>
2243 Dale Johannesen <dalej@apple.com>
2246 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2247 special case code to implement V8HImode and V16QImode with SSE2.
2249 2006-04-15 Roger Sayle <roger@eyesopen.com>
2251 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2252 trees are constructed with a suitable tree type.
2254 2006-04-15 Roger Sayle <roger@eyesopen.com>
2256 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2257 (integer_onep): Likewise.
2258 (integer_all_onesp): Likewise.
2259 (integer_pow2p): Likewise.
2260 (integer_nonzerop): Likewise.
2261 (real_zerop): Likewise.
2262 (real_onep): Likewise.
2263 (real_twop): Likewise.
2264 (real_minus_onep): Likewise.
2265 (int_size_in_bytes): Likewise.
2266 (host_integerp): Likewise.
2268 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2270 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2271 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2272 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2274 * tree-ssa-structalias.h (alias_info): Remove num_references.
2276 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2278 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2279 (output_bvb patterns): Likewise.
2280 * pa.c (output_bb): Use 'bb' insn for long branch case.
2281 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2282 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2283 1. Correct length operand for alternatives 1 and 2.
2284 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2285 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2287 2006-04-14 Roger Sayle <roger@eyesopen.com>
2289 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2290 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2291 were accidentally reverted by r112959.
2293 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2296 * except.h (eh_region_outermost): New prototype.
2297 * except.c (eh_region_outermost): New function.
2298 * tree-cfg.c (find_outermost_region_in_block): Use it.
2300 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2302 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2304 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2305 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2306 (init_reload, reload): Use VEC instead of VARRAY.
2307 * reload.h: Update the prototype for
2308 reg_equiv_memory_loc_varray.
2310 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2311 Eric Botcazou <ebotcazou@libertysurf.fr>
2313 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2316 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2319 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2320 to expand fallback builtin function call.
2322 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2325 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2326 and emit libcall here in case the builtin fails.
2327 (expand_builtin_strcmp): Always emit the libcall here on failure.
2329 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2331 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2332 * flow.c (reg_n_info): Change the type to
2333 VEC(reg_info_p,heap) *.
2334 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2336 * regs.h (reg_info_p): New.
2337 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2338 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2339 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2342 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2344 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2346 * params.h (MAX_SCHED_READY_INSNS): New macro.
2347 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2348 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2349 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2350 the ready list for 1 cycle during the first scheduling pass.
2351 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2353 2006-04-13 Richard Henderson <rth@redhat.com>
2356 * gimple-low.c (lower_omp_directive): Remove dead code.
2357 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2358 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2359 * omp-low.c (struct omp_region): Move to tree-flow.h.
2360 (root_omp_region): Export.
2361 (omp_regions, lookup_omp_region): Remove.
2362 (determine_parallel_type): Update for struct omp_region changes.
2363 (dump_omp_region): Dump regions with block numbers.
2364 (new_omp_region): Take type and block instead of stmt; malloc
2366 (free_omp_region_1, free_omp_regions): New.
2367 (expand_parallel_call): Take entry_stmt as argument; update for
2368 changes to omp_region.
2369 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2370 (remove_exit_barriers): New.
2371 (expand_omp_parallel): Update for struct omp_region changes.
2372 (expand_omp_synch): Likewise.
2373 (expand_omp): Likewise.
2374 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2375 (expand_omp_for_static_chunk): Likewise.
2376 (expand_omp_for): Likewise.
2377 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2378 (expand_omp_sections): Similarly, with GOMP_sections_end.
2379 (expand_omp_single): New.
2380 (build_omp_regions_1): Update for OMP_CONTINUE.
2381 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2382 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2383 OMP_SECTIONS_SECTIONS.
2384 (lower_omp_single_simple): Don't emit barrier here.
2385 (lower_omp_single_copy): Likewise.
2386 (lower_omp_single): Fix bindings, and lower to straightline now.
2387 (lower_omp_master, lower_omp_ordered): Likewise.
2388 (lower_omp_critical): Likewise.
2389 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2390 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2391 omp edges, free it afterward.
2392 (make_omp_sections_edges): Remove.
2393 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2394 (move_stmt_r): Handle OMP_CONTINUE.
2395 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2396 statement pointers to basic blocks. Add type member.
2397 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2398 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2399 * tree-inline.c (estimate_num_insns_1): Likewise.
2400 * tree-pretty-print.c (dump_generic_node): Likewise.
2401 * tree-ssa-operands.c (get_expr_operands): Likewise.
2402 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2403 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2404 (OMP_CONTINUE): New.
2405 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2406 (OMP_SECTIONS_SECTIONS): Remove.
2407 (OMP_SECTION_LAST): New.
2408 (OMP_RETURN_NOWAIT): New.
2410 2006-04-13 Roger Sayle <roger@eyesopen.com>
2412 * fold-const.c (native_encode_vector, native_interpret_real):
2413 Correct obvious mistakes in the previous check-in.
2415 2006-04-13 Roger Sayle <roger@eyesopen.com>
2417 * fold-const.c (native_encode_expr): New function to encode
2418 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2419 or VECTOR_CST into a specified buffer.
2420 (native_encode_int): New function.
2421 (native_encode_real): New function.
2422 (native_encode_complex): New function.
2423 (native_encode_vector): New function.
2424 (native_interpret_expr): Inverse of native_encode_expr to convert
2425 a target representation into an INTEGER_CST, REAL_CST etc...
2426 (native_interpret_int): New function.
2427 (native_interpret_real): New function.
2428 (native_interpret_complex): New function.
2429 (native_interpret_vector): New function.
2430 (fold_view_convert_expr): New function to constant fold/evaluate
2431 a VIEW_CONVERT_EXPR of a suitable constant expression.
2432 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2433 Change call of build1 to fold_build1 when constructing a
2436 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2437 Ulrich Weigand <uweigand@de.ibm.com>
2440 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2443 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2446 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2447 optimize to lo_sum for DFmode if !TARGET_FPRS.
2449 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2451 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2452 delete_alias_info, compute_flow_sensitive_aliasing,
2453 group_aliases): Use VEC instead of VARRAY.
2454 * tree-ssa-structalias.c (update_alias_info): Likewise.
2455 * tree-ssa-structalias.h (alias_info): Change the type of
2456 processed_ptrs to VEC(tree,heap) *.
2458 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2461 * config/sh/lib1funcs.h: New file, broken out of:
2462 * config/sh/lib1funcs.asm.
2463 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2465 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2466 * config/sh/lib1funcs-Os-4-200.asm: New file.
2467 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2468 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2469 (EXTRA_MULTILIB_PARTS): Include it.
2470 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2471 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2472 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2473 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2476 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2478 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2479 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2480 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2482 * tree-ssa-live.h: Include vecprim.h.
2483 (tree_partition_associator_d): Change the type of
2484 first_partition to VEC(int,heap) *.
2485 (tpa_first_partition): Use VEC instead of VARRAY.
2487 * Makefile.in (GTFILES): Move functions.h after tree.h.
2488 * function.c (reset_block_changes, record_block_change,
2489 check_block_change, free_block_changes): Use VEC instead of
2491 * function.h (function): Change the type of
2492 ib_boundaries_block to VEC(tree,gc) *.
2493 * tree-inline.c (copy_cfg_body): Initialize
2494 ib_boundaries_block to NULL instead of (varray_type) 0.
2496 2006-04-12 Roger Sayle <roger@eyesopen.com>
2498 * expr.c (emit_group_store): Correct operand order in call to
2499 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2500 a SUBREG_BYTE of zero.
2502 2006-04-12 Richard Guenther <rguenther@suse.de>
2504 * profile.c (compute_branch_probabilities): Remove code
2505 encapsulated in !ir_type (), which are remanents of the
2506 removed RTL profiling code.
2507 * rtl-profile.c: Remove.
2509 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2511 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2512 magic NULL_RTX comment.
2513 (function_arg): Store entire fp arg to mem if any part should go
2515 (rs6000_arg_partial_bytes): Adjust for above change.
2517 2006-04-11 Roger Sayle <roger@eyesopen.com>
2519 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2520 if it hasn't been initialized by dwarf2out_init.
2522 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2524 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2525 symbolic constants in branch patterns.
2527 2006-04-11 Roger Sayle <roger@eyesopen.com>
2529 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2531 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2533 PR rtl-optimization/27073
2534 * gcse.c (try_replace_reg): Revert last change. Continue to search
2535 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2538 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2540 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2541 aggregate types other than record and union types.
2542 (function_arg): Likewise.
2543 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2545 (function_value): In 64-bit mode, return objects that require it
2548 2006-04-11 Roger Sayle <roger@eyesopen.com>
2550 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2552 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2554 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2556 2006-04-03 Jeff Law <law@redhat.com>
2559 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2560 alias information too.
2562 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2564 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2566 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2569 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2570 (premark_used_types_helper): New.
2571 (premark_used_types): New.
2572 (gen_subprogram_die): Call premark_used_types.
2573 (prune_unused_types_walk): Do not prune perennial dies.
2574 * function.c (used_types_insert): New.
2575 * function.h (struct function): Add used_types_hash field.
2576 (used_types_insert): Add prototype.
2577 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2578 * c-parser.c (c_parser_cast_expression): Save casted types in used
2581 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2584 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2585 rs6000_explicit_options.float_gprs.
2587 2006-04-10 Roger Sayle <roger@eyesopen.com>
2589 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2590 from ix86_expand_vector_init_low_nonzero. Take an additional
2591 one_var argument indicating which element is non-zero. Support
2592 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2593 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2594 with one_var instead of ix86_expand_vector_init_low_nonzero.
2596 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2598 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2599 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2600 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2601 build/genextract.o): Depend on vecprim.h.
2602 * cfglayout.c, df-problems.c, function.c, genextract.c,
2603 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2604 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2608 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2610 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2611 Declare VECs of this type.
2612 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2613 (remove_children): Delete.
2614 (add_dwarf_attr): Use VEC routines.
2615 (add_AT_flag): Update for changes to add_dwarf_attr.
2616 (add_AT_int): Likewise.
2617 (add_AT_unsigned): Likewise.
2618 (add_AT_long_long): Likewise.
2619 (add_AT_vec): Likewise.
2620 (add_AT_string): Likewise.
2621 (add_AT_die_ref): Likewise.
2622 (add_AT_fde_ref): Likewise.
2623 (add_AT_loc): Likewise.
2624 (add_AT_loc_list): Likewise.
2625 (add_AT_addr): Likewise.
2626 (add_AT_lbl_id): Likewise.
2627 (add_AT_lineptr): Likewise.
2628 (add_AT_macptr): Likewise.
2629 (add_AT_offset): Likewise.
2630 (add_AT_range_list): Likewise.
2631 (get_AT): Use VEC_iterate.
2632 (remove_AT): Use VEC_ordered_remove.
2633 (free_die): Fold remove_children into here; have it use VEC_iterate.
2634 (print_die): Use VEC_iterate on attrs.
2635 (reverse_die_lists): Don't reverse attr lists.
2636 (die_checksum): Use VEC_iterate on attrs.
2637 (same_die_p): Likewise.
2638 (output_location_lists): Likewise.
2639 (build_abbrev_table): Likewise.
2640 (size_of_die): Likewise.
2641 (unmark_all_dies): Likewise.
2642 (output_abbrev_section): Likewise.
2643 (output_die): Likewise.
2644 (prune_unused_types_walk_attribs): Likewise.
2646 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2648 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2650 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2653 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2655 2006-04-09 Roger Sayle <roger@eyesopen.com>
2657 * expr.c (store_constructor): Don't bother clearing target if
2658 we're about to assign a vector to it using vec_init_optab.
2660 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2662 * tree-ssa-alias.c (lhs_may_store_to): New function.
2663 (recalculate_used_alone): Handle LHS of calls.
2665 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2670 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2671 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2672 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2673 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2674 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2675 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2676 stubs. Add ".align 8" directives before all ".dword" directives.
2677 (GTHREAD_USE_WEAK): Revise comment.
2678 (TARGET_ATTRIBUTE_WEAK): Define.
2679 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2680 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2681 * stublib.c: New file.
2686 * pa.md (cbranch patterns): Revise arguments used in calls to
2687 output_cbranch, output_bb and output_bvd. Add long branch length
2689 (fbranch patterns): Handle long branches.
2690 (jump): Revise length check. Revise arguments for output_lbranch call.
2691 Add long branch length attributes.
2692 (decrement_and_branch_until_zero): Add long branch length attributes.
2693 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2694 Likewise. Revise arguments for output_parallel_addb and
2695 output_parallel_movb calls.
2696 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2697 output_parallel_movb and output_parallel_addb): Update prototypes.
2698 * pa.c (output_cbranch): Revise arguments. Correct handling of
2699 nullification in long branches.
2700 (output_lbranch): Add new argument to control extraction of delay
2702 (output_bb): Handle long branches.
2703 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2704 output_parallel_addb): Likewise.
2706 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2708 PR rtl-optimization/27073
2709 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2712 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2714 * tree.h (tree_memory_tag): Add old_used_alone.
2715 (SMT_OLD_USED_ALONE): New macro.
2716 * tree-ssa-alias.c (recalculate_used_alone): Stop
2717 marking things for renaming unnecessarily.
2719 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2721 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2722 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2723 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2724 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2725 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2726 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2727 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2728 spelling convensions.
2729 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2730 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2731 typos. Follow spelling conventions.
2733 2006-04-07 DJ Delorie <dj@redhat.com>
2735 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2736 passed on the stack.
2737 (m32c_init_cumulative_args): When a function returns a structure,
2738 always pass the pointer to that return area on the stack.
2739 (m32c_function_arg_advance): Don't increment the parameter number
2740 if we're processing the returned structure pointer.
2741 (pushm_info): Reverse order of registers.
2743 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2745 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2746 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2747 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2748 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2750 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2751 chrec_fold_multiply): Same.
2752 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2753 force_expr_to_var_cost): Same.
2754 * tree-mudflap.c (mf_xform_derefs_1): Same.
2755 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2757 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2759 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2760 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2763 2006-04-07 Jan Hubicka <jh@suse.cz>
2765 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2767 2006-04-07 Richard Guenther <rguenther@suse.de>
2769 PR tree-optimization/26135
2770 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2771 loads for store copy-prop.
2772 (copy_prop_visit_stmt): Likewise.
2774 2006-04-05 Robert Millan <robertmh@gnu.org>
2776 * config/i386/linux.h: Add a comment to mark macros that are
2777 being overriden in config/k*bsd-gnu.h.
2778 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2780 * config/knetbsd-gnu.h: Ditto.
2782 2006-04-06 Jan Hubicka <jh@suse.cz>
2786 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2789 2006-04-06 Mike Stump <mrs@apple.com>
2791 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2792 for HAVE_nonlocal_goto to be consistent.
2793 (expand_builtin_nonlocal_goto): Likewise.
2794 (expand_builtin_strcmp): Use #ifdef instead of #if
2795 for HAVE_cmpstrnsi to be consistent.
2797 2006-04-05 DJ Delorie <dj@redhat.com>
2799 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2802 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2804 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2805 got-relative addressing for anything but SImode.
2807 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2808 even if the calling function doesn't modify them.
2810 2006-04-05 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/26919
2813 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2814 to cgraph_estimate_size_after_inlining.
2816 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2818 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2820 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2822 PR tree-optimization/26996
2823 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2824 VECTOR_TYPE variables.
2826 2006-04-05 Richard Guenther <rguenther@suse.de>
2828 PR tree-optimization/26763
2829 * fold-const.c (fold_comparison): Move folding of
2830 PTR + CST CMP PTR + CST ...
2831 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2833 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2835 * doc/install.texi (Prerequisites): Refine some wording on
2836 bootstrapping and ksh.
2837 Move the version numbers of DejaGnu here from the testing section
2838 and fix casing of names.
2839 Fix markup and clarify wording for autogen requirements.
2840 Refer to GCJ instead of just java.
2841 Refer to SVN instead of CVS.
2842 Describe diffutils as useful instead of necessary.
2843 (Downloading the source): Refer to SVN instead of CVS.
2844 Adjust a link to our web site accordingly.
2845 (Configuration): Fix casing of Bison.
2846 (Building): Refer to SVN instead of CVS.
2847 Fix a sentence on the use of Bison and remove duplicate (and
2848 incorrect) version number of Bison requirement.
2849 Remove one redundant list of packages needed for building.
2850 (Specific): Avoid reference to CVS.
2852 2006-04-04 Eric Christopher <echristo@apple.com>
2854 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2855 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2856 (rs6000_handle_struct_attribute): New.
2857 (rs6000_ms_bitfield_layout_p): Ditto.
2859 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2861 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2862 NULL for dso parameter to atexit_common.
2864 2006-04-04 Eric Christopher <echristo@apple.com>
2866 * config/i386/i386.c (machopic_output_stub): Output \t
2867 between instructions and operands.
2869 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2871 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2872 satisfies_constraint_[IL] to explicit tests on value.
2874 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2876 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2877 set_nb_iterations_in_loop): Use build_int_cst instead of
2879 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2880 build_int_cst instead of convert.
2882 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2884 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2885 new value 2 for incoming.
2886 * function.c (expand_function_start): Call struct_value_rtx
2888 * config/sparc/sparc.md: Comment updated_return.
2889 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2890 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2891 struct return if sparc_std_struct_return and incoming is 2.
2892 (print_operand): Do not adjust return if
2893 sparc_std_struct_return.
2895 2006-04-04 Roger Sayle <roger@eyesopen.com>
2897 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2898 convert in the middle-end.
2899 * expr.c (store_expr, store_constructor, get_inner_reference,
2900 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2902 * tree.c (build_range_type): Likewise.
2904 2006-04-04 Tom Tromey <tromey@redhat.com>
2906 * doc/install.texi (Prerequisites): Mention jar.
2908 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2910 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2913 2006-04-04 Matthias Klose <doko@debian.org>
2915 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2916 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2919 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2921 * doc/extend.texi (Function Attributes): Rewrite visibility
2922 attribute documentation.
2923 * doc/invoke.texi (C++ Dialect Options): Rewrite
2924 -fvisibility-inlines-hidden documentation to describe something
2925 entirely different, although in practise compatible.
2926 (Code Gen Options): Warn about system headers in -fvisibility=
2929 * doc/extend.texi (Other Builtins): Document that
2930 __builtin_nan is a compile-time constant only when its argument
2933 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2935 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2936 trying to remove TRUNCATE check if all bits outside the new mode
2937 are identical to the sign bit.
2939 2006-04-03 Jeff Law <law@redhat.com>
2941 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2942 and operand scanning in some common cases.
2944 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2945 Dale Johannesen <dalej@apple.com>
2948 * regclass.c (struct reg_pref): Update documentation.
2949 (regclass): Set prefclass to NO_REGS if memory is the best option.
2950 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2951 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2952 into account. For non-registers, equate an empty preferred
2953 reload class to a `!' in the constraint; move the if clause to
2954 do so after those that reject the insn.
2955 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2957 (find_dummy_reload): Likewise.
2958 * doc/tm.texi (Register Classes): Document what it means
2959 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2960 * config/i386/i386.c (ix86_preferred_reload_class): Force
2961 using SSE registers (and return NO_REGS for floating-point
2962 constants) if math is done with SSE.
2963 (ix86_preferred_output_reload_class): New.
2964 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2965 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2966 * config/i386/i386.md: Remove # register preferences.
2968 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2971 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2972 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2973 the type of nb_iter.
2974 (instantiate_parameters_1): Convert the operands before calling
2975 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2976 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2978 2006-04-02 Roger Sayle <roger@eyesopen.com>
2980 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2981 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2983 * dojump.c (do_jump): Likewise.
2984 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2985 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2986 gimplify_boolean_expr): Likewise.
2987 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2988 * varasm.c (array_size_for_constructor): Likewise.
2989 * tree-object-size.c (compute_object_offset): Likewise.
2991 2006-04-02 Roger Sayle <roger@eyesopen.com>
2994 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2995 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2997 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2999 PR tree-optimization/26939
3000 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3002 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3004 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3005 at_stmt. Convert the type of operands before calling
3006 build_polynomial_chrec.
3007 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3009 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3010 (instantiate_parameters_1): Convert the type of operands before calling
3011 build_polynomial_chrec.
3012 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3013 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3014 reset_evolution_in_loop): Insert asserts to check the types of the
3016 (chrec_type): Moved...
3017 (eq_evolutions_p): Use operand_equal_p.
3018 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3019 the types of the operands.
3020 (chrec_type): ...here.
3021 * tree-data-ref.c (create_data_ref): Convert the operands before
3022 calling chrec_replace_initial_condition.
3023 (same_access_functions, analyze_subscript_affine_affine,
3024 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3025 (compute_subscript_distance, analyze_ziv_subscript,
3026 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3027 analyze_miv_subscript): Convert the operands before calling
3028 chrec_fold_minus or chrec_fold_plus.
3030 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3032 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3033 the dependence_relations vector.
3034 (compute_data_dependences_for_loop): Adjust call to
3035 compute_all_dependences.
3037 2006-04-01 Roger Sayle <roger@eyesopen.com>
3038 Richard Henderson <rth@redhat.com>
3040 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3041 gimple_boolify on the condition before calling gimplify_expr.
3043 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3045 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3046 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3047 the frame size. Update to use the new macros.
3048 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3049 * config/xtensa/ieee754-df.S: Likewise.
3051 2006-03-31 Richard Henderson <rth@redhat.com>
3053 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3054 (make_edges): ... here. Control fallthru creation with a local
3055 variable. Do not play with fake edges.
3056 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3057 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3060 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3062 * dwarf2.h (DW64_CIE_ID): Define.
3063 * dwarf2out.c (DWARF_CIE_ID): Define.
3064 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3065 length header. Use DWARF_CIE_ID.
3066 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3067 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3069 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3071 * config/sh/linux-atomic.asm: New file.
3072 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3074 2006-03-31 DJ Delorie <dj@redhat.com>
3076 * config/m32c/cond.md: Set condition flags properly throughout.
3077 * config/m32c/minmax.md: Likewise.
3078 * config/m32c/prologue.md: Likewise.
3079 * config/m32c/bitops.md: Likewise.
3080 * config/m32c/muldiv.md: Likewise.
3081 * config/m32c/mov.md: Likewise.
3082 * config/m32c/addsub.md: Likewise.
3083 * config/m32c/m32c.md: Likewise.
3084 * config/m32c/jump.md: Likewise.
3085 * config/m32c/shift.md: Likewise.
3087 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3088 conditionally output the pattern for this.
3089 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3090 (m32c_compare_redundant): New.
3091 (m32c_output_compare): New.
3092 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3094 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3095 dest, not src. Allow other 4-byte modes.
3097 2006-03-30 Denis Chertykov <denisc@overta.ru>
3099 * doc/md.texi: Refer to avr/constraints.md instead of
3102 2006-03-30 Roger Sayle <roger@eyesopen.com>
3104 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3105 signed vs. unsigned comparison failures on some hosts.
3107 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3110 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3111 change to FLOAT_REGS.
3113 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3114 (rs6000_override_options): Use it.
3115 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3116 only for -mabi=spe/no-spe and -mabi=altivec.
3118 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3120 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3123 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3125 * Makefile.in: Rename docdir to gcc_docdir.
3127 2006-03-30 Roger Sayle <roger@eyesopen.com>
3130 * expr.c (emit_group_store): Optimize group stores into a pseudo
3131 register by using a paradoxical subreg to initialize the destination
3132 if the first or last member of the group specifies a "low part".
3134 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3137 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3138 * target.h (struct gcc_target.speculate_insn): Change type of the
3139 second parameter to 'int'.
3140 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3141 the second operand of the DEPS_LIST.
3142 (copy_DEPS_LIST_list): Update reference to the second operand of the
3144 * rtl.h (alloc_DEPS_LIST): Update signature.
3145 * sched-int.h (ds_t): Change typedef to 'int'.
3146 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3148 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3150 * haifa-sched.c (try_ready): Change condition to restore
3151 non-speculative pattern of the instruction.
3152 (process_insn_depend_be_in_spec): Code to keep probability of the
3153 speculative dependence non-decreasing.
3155 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3157 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3158 (single_move_for_movmem): ... this. Also change all uses.
3159 (bfin_expand_strmov): Renamed to...
3160 (bfin_expand_movmem): ... this. Also change all uses.
3161 * config/bfin/bfin.md (movstrsi): Renamed to...
3162 (movstrsi): ...this.
3164 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3166 PR tree-optimization/26830
3168 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3169 (copy_prop_visit_stmt): Remove write-only variable ann.
3170 (init_copy_prop): Check variable loop depth here. Do not simulate
3171 memory-tag and virtual operand PHIs except for store copy prop.
3173 2006-03-30 Richard Guenther <rguenther@suse.de>
3175 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3176 variants with double arguments.
3178 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3180 * genpreds.c (write_tm_constrs_h): Delete variable p.
3181 * genconditions.c (write_header): Add tm-constrs.h to included
3183 * genpeep.c (main): Add toplev.h to included headers.
3184 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3185 (build/genpeep.o): Add toplev.h dependency.
3186 * config/rs6000/constraints.md: Add "W" constraint.
3188 2006-03-29 Roger Sayle <roger@eyesopen.com>
3190 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3191 sizes by correctly testing whether the size fits a host integer.
3192 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3193 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3194 SImode range for the default sizetype and bitsizetype.
3196 2006-03-29 Roger Sayle <roger@eyesopen.com>
3198 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3199 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3200 quickly if the argument is already of the correct type.
3201 Call fold_build1 instead of build1. Tidy up blank lines.
3203 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3205 * genemit.c (main): Add tm-constrs.h to included headers.
3206 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3207 * genpeep.c (main): Add tm-constrs.h to included headers.
3208 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3209 (write_tm_constrs_h): this and write complete file.
3210 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3211 (write_insn_preds_c): Add tm-constrs.h to included headers.
3212 (gen_constrs): New variable.
3213 (parse_option): Parse "-c".
3214 (main): Invoke write_tm_constrs_h.
3215 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3216 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3217 (object_out_file): Add tm-constrs.h dependency.
3218 (insn-emit.o): Same.
3219 (insn-output.o): Same.
3220 (insn-peep.o): Same.
3221 (insn-preds.o): Same.
3222 (insn-recog.o): Same.
3223 (tm-constsr.h): New target.
3224 (s-constrs-h): New target.
3226 * config/rs6000/constraints.md: New file.
3227 * config/rs6000/rs6000.c: Include tm-constrs.h.
3228 (num_insn_constant_wide): Convert to satisfies_constraint.
3229 (rs6000_rtx_costs): Convert to satisfies_constraint.
3230 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3231 (CONST_OK_FOR_LETTER_P): Delete.
3232 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3233 (EXTRA_CONSTRAINT): Delete.
3234 (EXTRA_MEMORY_CONSTRAINT): Delete.
3235 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3236 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3237 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3238 satisfies_constraint.
3240 * config/i386/i386.c: Include tm-constrs.h.
3242 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3244 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3245 * tree-data-ref.c (find_data_references_in_loop,
3246 compute_data_dependences_for_loop): Use pointers to VEC.
3247 (analyze_all_data_dependences): Adjust calls.
3248 * tree-data-ref.h (find_data_references_in_loop,
3249 compute_data_dependences_for_loop): Adjust declarations.
3250 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3251 compute_data_dependences_for_loop.
3253 2006-03-29 Paul Brook <paul@codesourcery.com>
3255 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3258 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3260 PR tree-optimization/26859
3261 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3263 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3264 for the step after fold_convert.
3266 2006-03-29 Paul Brook <paul@codesourcery.com>
3268 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3269 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3271 2006-03-29 Paul Brook <paul@codesourcery.com>
3274 * targhooks.c (default_narrow_bitfield): New fuction.
3275 * targhooks.h (default_narrow_bitfield): add prototype.
3276 * target.h (gcc_target): Add narrow_volatile_bitfield.
3277 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3278 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3279 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3280 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3282 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3284 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3286 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3287 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3288 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3289 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3290 (s390_function_arg_float): Allow SDmode and DDmode values to be
3291 passed in floating point registers.
3292 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3293 check with SCALAR_FLOAT_MODE_P.
3294 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3296 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3298 PR tree-optimization/25985
3299 * tree-ssa-loop-niter.c (number_of_iterations_le,
3300 number_of_iterations_ne): Make comments more precise.
3301 (number_of_iterations_cond): Add only_exit argument. Use the
3302 fact that signed variables do not overflow only when only_exit
3304 (loop_only_exit_p): New.
3305 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3306 number_of_iterations_cond.
3308 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3310 PR tree-optimization/26643
3311 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3314 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3316 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3317 (divsi3_i4_int): Likewise.
3319 2006-03-28 Roger Sayle <roger@eyesopen.com>
3321 * expr.c (emit_group_store): Only create a new pseudo reg if the
3322 quantity it needs to hold isn't already a suitable pseudo.
3324 2006-03-28 Jeff Law <law@redhat.com>
3326 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3327 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3329 2006-03-28 Roger Sayle <roger@eyesopen.com>
3331 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3332 the equivalent ~X & Y, and the symmetry related transformations.
3333 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3334 ~X & Y, and symmetry related transforms.
3336 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3338 Revert my 2006-03-27 patches.
3340 2006-03-28 Roger Sayle <roger@eyesopen.com>
3342 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3343 ~(T1)X, when T1 and T2 are integer types of the same precision
3344 and (T2)X isn't an extension.
3346 2006-03-28 Jeff Law <law@redhat.com>
3348 PR tree-optimization/26796
3349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3350 need EH edge cleanups rather than purging them immediately.
3351 (eliminate_degenerate_phis): Handle queued EH cleanups.
3353 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3355 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3358 2006-03-27 Roger Sayle <roger@eyesopen.com>
3361 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3362 cast BIT_NOT_EXPR operand to the correct type.
3364 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3366 * tree-loop-linear.c: Don't include varray.h.
3367 (gather_interchange_stats, try_interchange_loops,
3368 linear_transform_loops): Use VEC instead of VARRAY.
3369 * lambda-mat.c: Don't include varray.h.
3370 * tree-chrec.c: Same.
3371 * lambda-trans.c: Same.
3372 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3373 VEC instead of VARRAY.
3374 * tree-vectorizer.h: Idem.
3375 * tree-data-ref.c (dump_data_references,
3376 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3377 initialize_data_dependence_relation, finalize_ddr_dependent,
3378 compute_all_dependences, find_data_references_in_loop,
3379 compute_data_dependences_for_loop, analyze_all_data_dependences,
3380 free_dependence_relation, free_dependence_relations,
3381 free_data_refs): Idem.
3382 * tree-data-ref.h (data_reference_p, subscript_p): New.
3383 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3384 VEC instead of VARRAY.
3385 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3386 (find_data_references_in_loop, compute_data_dependences_for_loop,
3387 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3388 dump_data_dependence_relations, free_dependence_relations,
3389 free_data_refs): Adjust declaration.
3390 (lambda_transform_legal_p): Move declaration here...
3391 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3392 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3393 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3394 vect_analyze_data_refs): Use VEC instead of VARRAY.
3395 * lambda.h (lambda_transform_legal_p): ...from here.
3396 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3397 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3398 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3399 tree-chrec.o): Don't depend on VARRAY_H.
3401 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3403 * rtl.def (Copyright): Update date.
3404 (DEPS_LIST): Change type of the second operand to 'int'.
3405 * target.h (Copyright): Update date.
3406 (struct gcc_target.speculate_insn): Change type of the second parameter
3408 * lists.c (Copyright): Update date.
3409 (alloc_DEPS_LIST): Change signature. Update reference to the second
3410 operand of the DEPS_LIST.
3411 (copy_DEPS_LIST_list): Update reference to the second operand of the
3413 * rtl.h (Copyright): Update date.
3414 (alloc_DEPS_LIST): Update signature.
3415 * sched-int.h (Copyright): Update date.
3416 (ds_t): Change typedef to 'int'.
3417 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3419 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3421 * haifa-sched.c (Copyright): Update date.
3422 (try_ready): Change condition to restore non-speculative pattern
3424 (process_insn_depend_be_in_spec): Code to keep probability of the
3425 speculative dependence non-decreasing.
3427 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3429 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3430 shut up the compiler.
3432 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3434 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3435 to use lib prefix for target.
3436 ($(T)libic_invalidate_array_4-200.a): Likewise.
3437 ($(T)libic_invalidate_array_4a.a): Likewise.
3439 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3440 J"orn Rennecke <joern.rennecke@st.com>
3442 * superh.opt: New file.
3443 * sh.c (boardtype, osruntime): Remove.
3444 * superh.h (SUBTARGET_OPTIONS): Remove.
3445 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3447 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3448 arguments with ^ and/or [].
3450 * config.gcc (sh-*-*): Add quoting to account for quirk of
3452 Replace == with = in enable_incomplete_targets test.
3454 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3455 with MASK_LITTLE_ENDIAN.
3457 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3458 * config/sh/sh.opt: Added to some comments.
3459 * config/sh/superh.h: Removed some chaff.
3461 * config/sh/sh.opt: Add m4-[1234]00* options.
3462 * config/sh/sh.c (sh_handle_option): Likewise.
3463 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3464 (ic_invalidate_array_4-100.o): New rule.
3465 ($(T)libic_invalidate_array_4-100.a): Likewise.
3466 (ic_invalidate_array_4-200.o): Likewise.
3467 ($(T)libic_invalidate_array_4-200.a): Likewise.
3468 (ic_invalidate_array_4a.o): Likewise.
3469 ($(T)libic_invalidate_array_4a.a): Likewise.
3470 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3471 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3473 * config/sh/crt1.asm: Merged in profiling code.
3474 * config/sh/superh.h (STARTFILE_SPEC): Override.
3475 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3476 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3477 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3479 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3480 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3481 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3483 * sh.opt (mpretend-cmove): New option.
3484 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3485 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3486 (movsicc): Add TARGET_PRETEND_CMOVE code.
3488 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3490 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3491 s390_class_max_nregs): New function prototypes.
3492 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3493 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3494 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3495 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3497 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3499 * dwarf2out.c (add_location_or_const_value_attribute): Call
3500 tree_add_const_value_attribute if nothing else works.
3501 (reference_to_unused): New.
3502 (rtl_for_decl_init): Use reference_to_unused to decide whether
3503 to output an initializer.
3505 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3508 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3509 peephole removing spe frob_di_df_2.
3511 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3513 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3514 (subscript_dependence_tester_1): Declared.
3515 (print_dir_vectors, print_dist_vectors): New.
3516 (debug_data_dependence_relation): New.
3517 (dump_data_dependence_relation): Print more details.
3518 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3519 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3520 (save_dist_v, save_dir_v, add_outer_distances,
3521 build_classic_dist_vector_1): New.
3522 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3523 Don't test for lambda_vector_lexico_pos.
3524 (same_access_functions, add_multivariate_self_dist,
3525 add_other_self_distances, dir_from_dist): New.
3526 (build_classic_dir_vector): Replace implementation almost identical to
3527 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3529 (subscript_dependence_tester_1): New.
3530 (subscript_dependence_tester): Handle the lexicographically negative
3531 distance vectors by recomputing the dependence relation.
3532 (compute_affine_dependence): Remove parameter loop_nest_depth.
3533 (compute_self_dependence): Don't call compute_subscript_distance.
3534 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3535 Add a parameter for the loop_nest.
3536 (find_loop_nest_1, find_loop_nest): New.
3537 (compute_data_dependences_for_loop): Compute the loop nest, and give
3538 up if the nest is not well formed.
3539 * tree-data-ref.h (loop_p): New.
3540 (struct data_dependence_relation): Replace size_vect field with
3541 loop_nest, a vec of loops.
3542 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3543 (DDR_LOOP_NEST): New.
3544 (print_dir_vectors, print_dist_vectors,
3545 debug_data_dependence_relation): Declared.
3546 (index_in_loop_nest): New.
3547 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3548 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3551 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3553 * simplify-rtx.c (simplify_relational_operation): Call
3554 simplify_relational_operation_1 even if mode is VOIDmode.
3556 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3558 PR tree-optimization/26804
3559 * tree.h (DECL_CALL_CLOBBERED): New macro.
3560 (tree_decl_common): Add call_clobbered_flag.
3561 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3562 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3563 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3564 (mark_non_addressable): Ditto.
3565 * tree-ssa.c (verify_call_clobbered): New function.
3566 (verify_alias_info): Use it.
3567 * tree-pass.h (pass_reset_cc_flags): New prototype.
3568 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3569 (reset_cc_flags): New function.
3570 * passes.c (init_optimization_passes): Call reset_cc_flags after
3571 initializing referenced_vars.
3573 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3574 Roger Sayle <roger@eyesopen.com>
3577 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3578 to 1.0 for non-real operands. Implement A / A optimization for
3581 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3583 * config/i386/i386.c (size_cost): Correct the comment for
3584 cost of storing fp registers.
3585 (i386_cost): Likewise.
3586 (i486_cost): Likewise.
3587 (pentium_cost): Likewise.
3588 (pentiumpro_cost): Likewise.
3589 (k6_cost): Likewise.
3590 (athlon_cost): Likewise.
3591 (k8_cost): Likewise.
3592 (pentium4_cost): Likewise.
3593 (nocona_cost): Likewise.
3594 (generic64_cost): Likewise.
3595 (generic32_cost): Likewise.
3597 2006-03-24 Denis Chertykov <denisc@overta.ru>
3599 * config/avr/avr-protos.h (extra_constraint): Delete.
3600 (extra_constraint_Q): New declaration.
3601 * config/avr/constraints.md: New file.
3602 * config/avr/avr.md: Include it.
3603 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3604 (TMP_REGNO, ZERO_REGNO): Likewise.
3605 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3606 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3607 (extra_constraint): Delete.
3608 (extra_constraint_Q): Test for memory constraint 'Q'.
3609 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3610 (REG_CLASS_FROM_LETTER): Delete.
3611 (CONST_OK_FOR_LETTER_P): Delete.
3612 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3613 (EXTRA_CONSTRAINT): Delete.
3614 (TMP_REGNO): Delete.
3615 (ZERO_REGNO): Delete.
3617 2006-03-24 Jeff Law <law@redhat.com>
3619 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3620 directly. Call mark_new_vars_to_rename slightly earlier.
3622 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3624 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3626 (gen_compile_unit_die): Use new language types for Objective-C and
3628 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3629 DW_LANG_C_plus_plus.
3632 * config/t-darwin (crt3.o): Work around bug 26840.
3633 * config/darwin-crt3.c: Rewrite.
3634 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3636 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3638 * doc/invoke.texi: Document -femit-class-debug-always
3639 * common.opt: Add -femit-class-debug-always.
3641 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3643 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3644 index and base register.
3645 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3646 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3647 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3648 REGNO_OK_FOR_INDEX_P.
3649 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3651 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3652 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3653 REG_OK_FOR_BASE_P): Definitions removed.
3655 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3658 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3659 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3660 set yet or weren't marked as local yet.
3662 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3664 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3667 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3669 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3670 (rs6000_legitimate_small_data_p): Delete.
3671 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3672 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3673 and make static. Add forward declaration. Update uses.
3674 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3675 of offsettable_memref_p.
3676 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3677 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3679 2006-03-24 Jeff Law <law@redhat.com>
3681 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3682 around bug in immediate-use iterator.
3684 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3687 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3688 or __LITTLE_ENDIAN__.
3690 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3692 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3693 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3694 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3695 * config/sh/sh.opt (mdiv=): Amend description.
3696 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3697 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3698 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3699 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3700 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3701 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3702 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3703 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3704 TARGET_DIVIDE_CALL_FP.
3706 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3708 * haifa-sched.c (choose_ready): Fix type of the local variable.
3709 Move local variables. Add comment.
3710 (check_reg_live): Change signature. Make callable from debugger.
3711 * sched-int.h (check_reg_live): Update signature.
3712 * sched-ebb.c (check_reg_live): Update parameters.
3713 * sched-rgn.c (check_reg_live): Ditto.
3714 (region_head_or_leaf_p): Check pointer before dereferencing.
3715 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3716 before reload on optimization levels below 1.
3718 2006-03-23 Richard Henderson <rth@redhat.com>
3720 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3724 * config/alpha/predicates.md (local_symbolic_operand): Reject
3727 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3730 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3731 expressions which have overflowed constants.
3733 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3735 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3737 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3739 * cfgloopmanip.c (create_loop_notes): Removed.
3740 * final.c (final_scan_insn): Do not handle loop notes.
3741 * jump.c (squeeze_notes): Ditto.
3742 * cfglayout.c (skip_insns_after_block,
3743 duplicate_insn_chain): Ditto.
3744 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3746 * cfgloop.h (create_loop_notes): Declaration removed.
3748 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3750 * varasm.c (output_constant_pool): Restore fnname and fndecl
3752 (assemble_start_function): Adjust call accordingly.
3753 (assemble_end_function): Likewise.
3755 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3758 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3761 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3763 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3766 * system.h (ICE_EXIT_CODE): New macro.
3767 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3768 (diagnostic_action_after_output): Likewise.
3769 * gcc.c (fatal_ice): New function.
3770 (execute): Use it instead of fatal.
3771 (fancy_abort): Likewise.
3772 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3774 2006-03-22 Jeff Law <law@redhat.com>
3776 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3777 iv_analyze_result returning false.
3779 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3781 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3783 2006-03-22 Richard Henderson <rth@redhat.com>
3786 * except.c (duplicate_eh_regions_0): New.
3787 (duplicate_eh_region_1): Duplicate the children of the node as
3788 well as the node itself. Link them up properly.
3789 (duplicate_eh_region_2): Merge into ...
3790 (duplicate_eh_regions): ... here. Take copy_region argument, and
3791 copy only a sub-tree if asked. Simplify copying and fixup.
3792 (eh_region_outer_p): New.
3793 * except.h (duplicate_eh_regions): Update decl.
3794 (eh_region_outer_p): Declare.
3795 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3796 (lower_omp_master): Likewise.
3797 (lower_omp_ordered): Likewise.
3798 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3799 (move_stmt_r): Use it to remap labels. Handle recursion vs
3800 remap_decls_p properly.
3801 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3802 (find_outermost_region_in_block): New.
3803 (new_label_mapper): New.
3804 (move_sese_region_to_fn): Copy eh information to the new function
3806 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3808 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3811 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3813 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3814 into shared libraries.
3816 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3818 * doc/md.texi: Refer to i386/constraints.md instead of
3820 * config/i386/constraints.md: New file, extracted from...
3821 * config/i386/predicates.md: ...here.
3822 * config/i386/i386.md: Include constraints.md.
3824 2006-03-21 Jason Merrill <jason@redhat.com>
3826 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3829 * expr.c (init_block_move_fn): Force default visibility.
3830 (init_block_clear_fn): Likewise.
3831 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3832 * targhooks.c (default_external_stack_protect_fail): Likewise.
3834 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3836 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3837 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3838 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3839 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3840 (loadgp): Use mips_current_loadgp_style.
3841 (loadgp_noshared): New pattern.
3842 (sibcall_internal): Use MIPS_CALL.
3843 (sibcall_value_internal): Likewise.
3844 (sibcall_value_multiple_internal): Likewise.
3845 (call_internal): Likewise.
3846 (call_value_internal): Likewise.
3847 (call_value_multiple_internal): Likewise.
3848 (call_split): Use MIPS_CALL and add an 'S' constraint.
3849 (call_value_split): Likewise.
3850 (call_value_multiple_split): Likewise.
3851 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3852 (-mshared): New option.
3853 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3854 (mips_current_loadgp_style): Declare.
3855 * config/mips/mips.c (mips_classify_symbol): Avoid using
3856 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3857 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3858 TARGET_ABSOLUTE_ABICALLS.
3859 (override_options): Adjust comments. Improve the warning that is
3860 issued when -mabicalls and -G are used together.
3861 (mips_file_start): Remove comment.
3862 (mips_current_loadgp_style): New function.
3863 (mips_gnu_local_gp): New variable.
3864 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3866 (mips_output_function_prologue): Use mips_current_laodgp_style.
3867 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3868 the cprestore instruction.
3869 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3870 live for TARGET_ABSOLUTE_ABICALLS.
3871 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3872 (ASM_SPEC): Pass down -mshared and -mno-shared.
3873 (MIPS_CALL): New macro.
3874 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3876 * doc/invoke.texi (-mabicalls): Update documentation.
3877 (-mshared): Document.
3879 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3881 * config/ia64/unwind-hpux.c: New file.
3882 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3884 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3887 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3889 2006-03-21 Jeff Law <law@redhat.com>
3891 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3892 type conversions of a VR_VARYING source to a wider type.
3894 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3896 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3897 tm_file on Solaris 10 and later.
3898 (sparc64-*-solaris2*): Likewise.
3899 (sparc-*-solaris2*): Likewise.
3900 * config/sol26.h: Rename to config/sol2-6.h.
3901 * config/sol2-10.h: New file.
3903 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3906 * tree-ssa-pre.c (create_component_ref_by_pieces):
3909 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3912 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3913 return it immediately.
3915 2006-03-21 Michael Matz <matz@suse.de>
3917 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3919 (remove_arc, add_arc): Update num_out_arcs member.
3920 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3922 (cache_presence): New function.
3923 (compare_states_for_equiv): New function.
3924 (state_is_differed): Don't take number of outargs, adjust callers.
3925 Use new invariant for speeding up.
3926 (init_equiv_class): Create initial classes based on sorted
3928 (partition_equiv_class): Don't track out_arcs_num.
3929 (evaluate_equiv_classes): Call cache_presence on all states and
3932 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3934 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3935 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3936 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3937 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3939 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3940 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3941 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3942 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3943 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3945 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3946 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3947 (REGNO_REG_CLASS): ARGP is in PREGS.
3948 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3950 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3951 to deal with those addresses.
3952 * addresses.h: New file.
3953 * caller-save.c: Include "addresses.h".
3954 (init_caller_save): Use new base_reg_class function.
3955 * rtl-factoring.c: Include "addresses.h".
3956 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3957 * recog.c: Include "addresses.h".
3958 (preprocess_constraints): Use new base_reg_class function.
3959 * regrename.c: Include "addresses.h".
3960 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3961 functions. Keep track of a new var INDEX_CODE to compute valid
3963 (replace_oldest_value_addr): Likewise.
3964 (replace_oldest_value_mem): Use base_reg_class.
3965 * reload.c: Include "addresses.h".
3966 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3967 (find_reloads): Use new base_reg_class function.
3968 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3969 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3970 all callers and prototype changed.
3971 * reload1.c: Include "addresses.h".
3972 (maybe_fix_stack_asms): Use base_reg_class.
3973 * regclass.c: Include "addresses.h".
3974 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3975 (init_reg_autoinc): Use new base_reg_class function.
3976 (record_reg_classes): Likewise.
3977 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3978 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3979 Use new args to compute necessary class.
3981 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3982 regrename.o, rtl-factoring.o): Update dependencies.
3983 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3984 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3985 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3986 REG_OK_FOR_INDEX_P): Delete documentation.
3988 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3990 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3991 from V7 to V9 for Solaris 7 and above.
3993 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3995 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3996 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3997 argument pointers may not alias any other storage.
3998 * common.opt: Define option -fargument-noalias-anything.
3999 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4000 alias semantics is specified by flag_argument_noalias > 2.
4002 2006-03-20 Jeff Law <law@redhat.com>
4004 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4005 (pass_phi_only_cprop): Declare.
4006 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4008 * tree-ssa-dom.c (degenerate_phi_result): New function.
4009 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4010 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4011 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4012 (eliminate_degenerate_phis): Likewise.
4013 (pass_phi_only_cprop): New pass descriptor.
4014 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4015 support code. Callers updated.
4016 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4017 (store_copy_prop): Likewise.
4018 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4020 2006-03-20 Jason Merrill <jason@redhat.com>
4023 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4024 (push_visibility, pop_visibility): Likewise.
4025 * c-pragma.h: Declare them.
4027 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4029 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4031 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4032 parameter and use get_ebb_head_tail.
4033 (sh_md_init_global): Adjust uses of find_regmode_weight.
4035 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4037 * function.h (struct function) <x_tail_recursion_reentry>:
4038 Rename to x_stack_check_probe_note.
4039 (tail_recursion_reentry): Rename to stack_check_probe_note.
4040 * function.c: Replace tail_recursion_reentry with
4041 stack_check_probe_note everywhere.
4042 (expand_function_start): Only emit a note for
4043 stack_check_probe_note with -fstack-protect.
4044 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4046 * emit-rtl.c (remove_unnecessary_notes): Remove.
4047 (pass_remove_unnecessary_notes): Remove.
4048 * rtl.h (remove_unnecessary_notes): Remove prototype.
4049 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4050 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4051 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4053 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4056 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4057 (valid_in_set): Handle ARRAY_REF.
4058 Change "if min_variant or VH" to asserts.
4059 (create_component_ref_by_pieces): Handle ARRAY_REF.
4060 (create_expression_by_pieces): Likewise.
4061 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4063 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4065 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4066 is operand of switch, not str[0].
4068 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4070 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4071 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4073 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4075 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4076 end of insn_extra_address_constraint declaration.
4078 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4080 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4081 (no-sum-in-toc): Same.
4082 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4084 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4085 NO_FP_IN_TOC for -fPIC instead of mask.
4087 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4088 (BOOT_LDFLAGS): Delete.
4090 * config/rs6000/t-aix52: Same.
4092 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4093 (stmsi[345678]_power): New.
4095 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4097 * config/ia64/ia64.opt: Add empty line to end of file.
4099 2006-03-17 Richard Guenther <rguenther@suse.de>
4102 * builtins.c (get_pointer_alignment): For component style references
4103 adjust alignment to the component type alignment. Make sure
4104 to adjust alignment for component access of constants.
4106 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4108 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4111 2006-03-17 Paul Brook <paul@codesourcery.com>
4113 * doc/install.texi: Docuemnt --with-mode.
4114 * config.gcc: Add --with-mode for arm*-*-*.
4115 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4117 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4119 * sh.c (max_labelno_before_reorg): New variable.
4120 (sh_reorg): Initialize it.
4121 (find_barrier): Check max_labelno_before_reorg before using
4122 label_to_alignment. Take length of explicit alignment insns
4123 into account. When seeing a UNSPECV_CONST_END, return it.
4125 * sh.c (fixup_mova): Set mode of affected label to QImode.
4126 (untangle_mova): New function.
4127 (find_barrier): Use it. Check mode of label before decrementing
4129 (sh_reorg): Likewise.
4130 Set mode of all insns back to VOIDmode.
4132 * sh.c (MOVA_LABELREF): New macro.
4133 (mova_p, fixup_mova, sh_reorg): Use it.
4134 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4135 ADDR_DIFF_VEC matches mova.
4137 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4139 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4140 with ATTRIBUTE_UNUSED.
4142 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4144 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4145 pointer, instead of assuming it is possible to derive the
4146 correct args size from a call insn.
4148 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4150 * rtl.h (CONST_INT_P): Define.
4151 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4152 instead of GET_CODE(x) == CONST_INT.
4153 (vax_rtx_costs): Likewise.
4154 (vax_output_int_move): Likewise.
4155 (vax_output_int_add): Likewise.
4156 (legitimate_constant_address_p): Likewise.
4157 (index_term_p): Likewise.
4158 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4159 * config/vax/vax.md (and<mode>3): Likewise.
4160 (ashrsi3): Likewise.
4162 (movstricthi): Likewise.
4163 (movstrictqi): Likewise.
4164 (rotrsi3): Likewise.
4165 (five unnamed insns): Likewise.
4167 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4169 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4170 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4171 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4172 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4173 Pass to ASM_OUTPUT_DWARF_OFFSET.
4174 * dwarf2out.c (debug_frame_section): New.
4175 (output_call_frame_info): Use debug_frame_section. Pass it to
4176 dw2_asm_output_offset.
4177 (output_die): Pass appropriate section to dw2_asm_output_offset.
4178 (output_compilation_unit_header): Likewise.
4179 (output_pubnames): Likewise.
4180 (output_aranges): Likewise.
4181 (enum dw_val_class): Break dw_val_class_lbl_offset into
4182 dw_val_class_lineptr and dw_val_class_macptr.
4183 (add_AT_lbl_offset): Delete.
4184 (add_AT_lineptr): New.
4185 (add_AT_macptr): New.
4186 (AT_lbl): Expect a lineptr or macptr.
4187 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4188 (attr_checksum): Likewise.
4189 (same_dw_val_p): Likewise.
4190 (size_of_die): Likewise.
4191 (value_format): Likewise.
4192 (output_die): Likewise.
4193 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4195 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4196 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4197 * config/darwin-protos.h (darwin_file_start): New.
4198 (darwin_asm_output_dwarf_offset): New.
4199 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4200 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4202 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4203 if not EH section; simplify.
4204 (darwin_file_start): New.
4205 (darwin_asm_output_dwarf_offset): New.
4206 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4208 (DEBUG_INFO_SECTION): Likewise.
4209 (DEBUG_ABBREV_SECTION): Likewise.
4210 (DEBUG_ARANGES_SECTION): Likewise.
4211 (DEBUG_MACINFO_SECTION): Likewise.
4212 (DEBUG_LINE_SECTION): Likewise.
4213 (DEBUG_LOC_SECTION): Likewise.
4214 (DEBUG_PUBNAMES_SECTION): Likewise.
4215 (DEBUG_STR_SECTION): Likewise.
4216 (DEBUG_RANGES_SECTION): Likewise.
4217 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4218 (ASM_OUTPUT_DWARF_OFFSET): New.
4220 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4222 * config.gcc (tm_defines): Always add to previous value rather
4225 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4227 * config/mips/predicates.md (splittable_const_int_operand): New,
4228 split from move_operand.
4229 (splittable_symbolic_operand): New.
4230 (move_operand): Add commentary. Use splittable_const_int_operand.
4231 Inline mips_atomic_symbolic_constant_p.
4232 * config/mips/mips.md: Add combine splitters for handling moves
4233 of splittable_const_int_operands and splittable_symbolic_operands.
4234 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4235 (mips_split_symbol): Declare.
4236 (mips_move_integer): Declare.
4237 * config/mips/mips.c (mips_split_p): Make global.
4238 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4239 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4240 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4241 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4242 (mips_offset_within_object_p): Handle block symbols.
4243 (mips_atomic_symbolic_constant_p): Delete.
4244 (mips_cannot_force_const_mem): Return false for constants that
4245 mips_legitimize_move can handle.
4246 (mips_use_blocks_for_constant_p): New function.
4247 (mips_split_symbol): Make global.
4248 (mips_move_integer): Likewise. Add a temporary register argument.
4249 (mips_legitimize_const_move): Use splittable_const_int_operand and
4250 splittable_symbolic_operand.
4251 (mips_use_anchors_for_symbol_p): New function.
4252 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4253 (mips_split_p): Declare.
4255 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4257 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4258 (mips*-*-linux*): Likewise.
4260 2006-03-16 Roger Sayle <roger@eyesopen.com>
4261 Daniel Speyer <dspeyer@wam.umd.edu>
4264 * tree-dump.c (dump_real): New function.
4265 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4266 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4267 (tree-dump.o): Add $(REAL_H) to the dependencies.
4269 2006-03-16 Roger Sayle <roger@eyesopen.com>
4272 * real.c (real_from_string): If the mantissa is zero, don't bother
4273 parsing the exponent as the result should always be zero.
4275 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4277 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4281 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4282 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4283 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4284 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4285 ia64_sched_finish_global): New static functions to implement
4286 hooks from gcc_target.sched.
4287 (spec_check_no, max_uid, pending_data_specs): New static variables.
4288 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4289 ia64_spec_check_src_p): New static functions.
4290 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4291 (TARGET_SCHED_ADJUST_COST): Removed.
4292 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4293 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4294 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4295 TARGET_SCHED_GEN_CHECK,
4296 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4297 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4298 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4299 Fixed to handle speculation checks.
4300 (rtx_needs_barrier): Fixed to handle speculative loads and
4302 (ia64_variable_issue): Added code to count speculative loads and their
4304 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4306 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4308 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4310 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4311 (ia64_reorg): Reset stops_p to NULL after it is freed.
4312 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4313 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4314 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4316 (data_speculative, control_speculative, check_load): New attributes.
4317 (mov<mode>_advanced, mov<mode>_speculative,
4318 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4319 zero_extend<mode>di2_speculative,
4320 zero_extend<mode>di2_speculative_advanced): New patterns for
4321 data and control speculative loads.
4322 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4324 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4325 New pattern for data and control speculation checks.
4326 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4327 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4328 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4329 Auxiliary definitions for the patterns.
4330 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4331 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4333 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4335 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4336 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4337 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4338 New resource constraints.
4339 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4341 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4342 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4343 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4344 msched-in-control-spec, msched-ldc, msched-control-ldc,
4345 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4346 msched-prefer-non-control-spec-insns,
4347 msched-count-spec-in-critical-path): New flags to tune speculative
4349 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4350 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4351 msched-in-control-spec, msched-ldc, msched-control-ldc,
4352 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4353 msched-prefer-non-control-spec-insns,
4354 msched-count-spec-in-critical-path): Document new flags.
4356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4358 * target.h (struct spec_info_def): New opaque declaration.
4359 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4360 speculate_insn, needs_block_p, gen_check,
4361 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4362 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4363 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4364 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4365 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4366 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4368 (TARGET_SCHED): Use new macros.
4369 * rtl.h (copy_DEPS_LIST_list): New prototype.
4370 * sched-int.h (struct sched_info): Change signature of new_ready field,
4371 adjust all initializations. New fields: add_remove_insn,
4372 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4373 region_head_or_leaf_p.
4374 (struct spec_info_def): New structure declaration.
4375 (spec_info_t): New typedef.
4376 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4377 recovery_block, orig_pat.
4378 (glat_start, glat_end): New variables declaraions.
4379 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4381 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4382 DETACH_LIFE_INFO, USE_GLAT.
4383 (enum SPEC_SCHED_FLAGS): New enumeration.
4384 (NOTE_NOTE_BB_P): New macro.
4385 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4386 attach_life_info, debug_spec_status, check_reg_live): New functions.
4387 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4388 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4390 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4391 * ddg.c (get_block_head_tail): Adjust all uses.
4392 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4393 (sms_sched_info): Initialize new fields.
4394 (contributes_to_priority): Removed.
4395 * haifa-sched.c (params.h): New include.
4396 (get_block_head_tail): Adjust all uses.
4397 (ISSUE_POINTS): New macro.
4398 (glat_start, glat_end): New global variables.
4399 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4400 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4401 old_last_basic_block, before_recovery, current_sched_info_var,
4402 rgn_n_insns, luid): New static variables.
4403 (insn_cost1): New function. Move logic from insn_cost to here.
4404 (find_insn_reg_weight1): New function. Move logic from
4405 find_insn_reg_weight to here.
4406 (reemit_notes, move_insn, max_issue): Change signature.
4407 (move_insn1): Removed.
4408 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4409 extend_bb): New static functions to support extension of scheduler's
4411 (generate_recovery_code, process_insn_depend_be_in_spec,
4412 begin_speculative_block, add_to_speculative_block,
4413 init_before_recovery, create_recovery_block, create_check_block_twin,
4414 fix_recovery_deps): New static functions to support
4415 generation of recovery code.
4416 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4417 restore_bb_notes, move_block_after_check, move_succs): New static
4418 functions to support ebb scheduling.
4419 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4420 functions to support handling of register live information.
4421 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4422 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4423 add_jump_dependencies): New static functions.
4424 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4425 consistancy checking.
4426 (debug_spec_status): New function to call from debugger.
4427 (priority): Added code to handle speculation checks.
4428 (rank_for_schedule): Added code to distinguish speculative instructions.
4429 (schedule_insn): Added code to handle speculation checks.
4430 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4431 Fixed to handle ebbs.
4432 (move_insn): Added code to handle ebb scheduling.
4433 (max_issue): Added code to use ISSUE_POINTS of instructions.
4434 (choose_ready): Added code to choose between speculative and
4435 non-speculative instructions.
4436 (schedule_block): Added code to handle ebb scheduling and scheduling of
4437 speculative instructions.
4438 (sched_init): Initialize new variables.
4439 (sched_finish): Free new variables. Print statistics.
4440 (try_ready): Added code to handle speculative instructions.
4441 * lists.c (copy_DEPS_LIST_list): New function.
4442 * sched-deps.c (extend_dependency_caches): New function. Move logic
4443 from create_dependency_caches to here.
4444 (get_dep_weak, ds_merge): Make global.
4445 * genattr.c (main): Code to output prototype for
4446 dfa_clear_single_insn_cache.
4447 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4448 (output_dfa_clean_insn_cache_func): Code to output
4449 dfa_clear_single_insn_cache function.
4450 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4452 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4454 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4455 New static variables.
4456 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4457 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4459 (ebb_sched_info): Initialize new fields.
4460 (get_block_head_tail): Adjust all uses.
4461 (compute_jump_reg_dependencies): Fixed to use glat_start.
4462 (schedule_ebb): Code to remove unreachable last block.
4463 (schedule_ebbs): Added code to update register live information.
4464 * sched-rgn.c (region_sched_info): Initialize new fields.
4465 (get_block_head_tail): Adjust all uses.
4466 (last_was_jump): Removed. Adjust users.
4467 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4468 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4469 Implement new hooks.
4470 (check_dead_notes1): New static function.
4471 (struct region): New fields: dont_calc_deps, has_real_ebb.
4472 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4473 (BB_TO_BLOCK): Fixed to handle EBBs.
4474 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4475 (ebb_head): New static variable.
4476 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4477 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4479 (compute_dom_prob_ps): New assertion.
4480 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4481 global_live_at_start.
4482 (init_ready_list): New assertions.
4483 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4484 (new_ready): Add support for BEGIN_CONTROL speculation.
4485 (schedule_insns): Fixed code that updates register live information
4487 (schedule_region): Fixed to handle EBBs.
4488 (init_regions): Use extend_regions and check_dead_notes1.
4489 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4490 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4491 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4492 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4493 TARGET_SCHED_GEN_CHECK,
4494 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4495 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4496 * doc/invoke.texi (max-sched-insn-conflict-delay,
4497 sched-spec-prob-cutoff): Document.
4499 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4501 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4502 inter_tick, queue_index.
4503 (struct sched_info): Change signature of init_ready_list field.
4504 Adjust all initializations.
4505 (RESOLVED_DEPS): New access macro.
4506 (ready_add): Remove prototype.
4507 (try_ready): Add prototype.
4508 * sched-rgn.c (init_ready_list): Use try_ready.
4509 (schedule_region): Initialize
4510 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4511 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4512 (init_ready_list): Use try_ready.
4513 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4514 * lists.c (remove_list_elem): Remove `static'.
4515 (remove_free_INSN_LIST_elem): New function.
4516 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4517 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4518 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4520 (readyp): New variable.
4521 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4522 change_queue_index, resolve_dep): New static functions.
4523 (try_ready): New function. Adjust callers in sched-rgn.c and
4524 sched-ebb.c to use it instead of ready_add.
4525 (clock_var): Move at the begining of file.
4526 (rank_for_schedule): Fix typo.
4527 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4528 (ready_lastpos): Enforce assertion.
4529 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4531 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4532 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4533 (queue_to_ready): Use free_INSN_LIST_list.
4534 (early_queue_to_ready): Fix typo.
4535 (schedule_block): Init readyp. Move init_ready_list call after the
4536 initialization of clock_var. Fix error in rejecting insn by
4537 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4538 that previously corrected INSN_TICKs. Add code for handling
4540 (set_priorities): Fix typo.
4541 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4542 Clarify comment and code that keeps current_sched_info->next_tail
4545 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4547 * sched-rgn.c (extend_rgns): New static function.
4548 (find_rgns): Use it.
4549 (gather_region_statistics, print_region_statistics): New static
4551 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4552 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4554 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4555 Andrey Belevantsev <abel@ispras.ru>
4557 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4558 * lists.c (unused_deps_list): New variable.
4559 (free_list): Add assertions to verify the proper distinguishing
4560 between INSN_LISTs and DEPS_LISTs.
4561 (find_list_elem, remove_list_elem, remove_list_node): New static
4563 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4564 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4565 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4566 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4568 (free_INSN_LIST_node): Likewise.
4569 * modulo-sched.c (current_sched_info): Initialize flags field.
4570 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4571 * rtl.def (DEPS_LIST): Define.
4572 * rtl.h: Declare new functions from lists.c.
4573 * sched-deps.c (spec_dependency_cache): New static variable.
4574 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4575 (add_dependence): Change return type to void. Move the logic to ...
4576 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4577 (delete_all_dependences): Add comment about forward_dependency_cache.
4578 Handle spec_dependency_cache. Handle DEPS_LISTs.
4579 (fixup_sched_groups): Clarify the change of priority of output
4580 and anti dependencies.
4581 (sched_analyze_2): Adjust add_dependence calls to create data
4582 speculative dependence.
4583 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4584 Adjust all callers. Handle DEPS_LISTS.
4585 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4586 presence of speculation.
4587 (init_dependency_caches, free_dependency_caches):
4588 Handle spec_dependency_cache.
4589 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4590 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4591 New static functions.
4592 (add_or_update_back_dep, add_or_update_back_forw_dep,
4593 add_back_forw_dep, delete_back_forw_dep): New functions.
4594 * sched-int.h (ds_t, dw_t): New typedefs.
4595 (struct sched_info): Add new field flags.
4596 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4597 Prototype new sched-deps.c functions.
4598 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4599 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4600 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4601 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4602 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4603 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4605 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4607 * sched-rgn.c (current_sched_info): Initialize flags field.
4608 (schedule_insns): Initialize current_sched_info before the sched_init
4610 * sched-ebb.c (current_sched_info): Initialize flags field.
4611 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4612 Call add_or_update_back_dep instead of add_dependence.
4613 Create control speculative dependencies.
4614 (schedule_insns): Initialize current_sched_info before the sched_init
4617 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4619 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4621 (sh_fallback_frame_state): Likewise.
4623 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4625 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4626 Do switch on default_use_cxa_atexit.
4627 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4628 * config/darwin-crt3.o: New.
4629 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4630 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4631 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4633 * config/rs6000/t-darwin: Move crt2.o building to here.
4634 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4635 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4638 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4640 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4641 from '! xxx' to '!xxx' for coding-style conformance.
4642 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4643 (EXTRA_CONSTRAINT): Likewise.
4644 * config/vax/vax.md (four unnamed insns): Likewise.
4646 2006-03-15 Paul Brook <paul@codesourcery.com>
4648 * config/arm/arm.c (minipool_pad): New.
4649 (add_minipool_forward_ref): Include pool alignment padding in address
4651 (push_minipool_fix): Set minipool_pad.
4652 (minipool_pad): Ditto.
4654 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4656 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4657 instead of GET_CODE() == MEM and REG_P() instead of
4659 (print_operand_address): Likewise.
4660 (vax_address_cost): Likewise.
4661 (vax_rtx_costs): Likewise.
4662 (vax_notice_update_cc): Likewise.
4663 (vax_output_int_add): Likewise.
4664 (INDEX_REGISTER_P): Likewise.
4665 (BASE_REGISTER_P): Likewise.
4666 (nonindexed_address_p): Likewise.
4667 (vax_mode_dependent_address_p): Likewise.
4668 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4669 (PRINT_OPERAND): Likewise.
4670 * config/vax/vax.md (ashlsi3): Likewise.
4671 (ashlsi3): Likewise.
4672 (some more unnamed insns): Likewise.
4674 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4676 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4677 iterator-style macro.
4678 (mark_control_dependent_edges_necessary): Update the use of
4679 EXECUTE_IF_CONTROL_DEPENDENT.
4681 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4683 * config/sh/predicates.md (cache_address_operand): Special.
4684 (ua_address_operand): Likewise.
4686 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4688 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4690 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4692 2006-03-15 Andreas Schwab <schwab@suse.de>
4694 * gensupport.c (identify_predicable_attribute): Don't free p_false
4695 when it is still in use.
4697 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4699 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4700 the default setting here.
4702 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4704 * tree-pass.h (pass_cfg): Remove.
4705 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4706 * passes.c (pass_cfg): Don't run it.
4708 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4710 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4711 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4713 (stack_regs_mentioned): Update the uses of
4714 stack_regs_mentioned_data. Don't access the array beyond its
4716 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4717 Don't include gt-reg-stack.h.
4719 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4720 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4722 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4725 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4728 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4730 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4732 2006-03-14 Richard Guenther <rguenther@suse.de>
4734 PR tree-optimization/26672
4735 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4738 2006-03-14 Richard Guenther <rguenther@suse.de>
4740 PR tree-optimization/26667
4741 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4742 node for the callees. Always allow inlining if it will shrink
4745 2006-03-14 Richard Guenther <rguenther@suse.de>
4748 * builtins.c (get_pointer_alignment): Prefer alignment
4749 information from decls over that from types.
4751 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4754 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4756 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4758 * config/rs6000/rs6000.opt (mdlmzb): New option.
4759 (msched-prolog, msched-epilog): Use Var not Mask.
4760 * doc/invoke.texi (-mdlmzb): Document.
4761 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4763 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4764 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4766 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4768 PR rtl-optimization/25739
4769 * bt-load.c (augment_live_range): Free tos pointer.
4771 * gensupport.c (identify_predicable_attribute): Free
4773 * gcov.c (create_file_names): Free name pointer.
4775 2006-03-13 Roger Sayle <roger@eyesopen.com>
4778 * stmt.c (emit_case_nodes): Handle the case where the index is a
4779 CONST_INT, where the comparison mode is specified by the index type.
4781 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4783 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4786 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4788 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4789 (*branch_fp_inverted): Likewise.
4791 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4794 * omp-low.c (expand_omp_for_generic): Mark istart0
4795 and iend0 as addressable.
4797 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4799 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4801 2006-03-13 Jeff Law <law@redhat.com>
4803 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4804 virtual operands are interesting.
4805 (vrp_visit_stmt): Corresponding changes.
4807 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4809 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4811 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4812 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4813 * config/bfin/crti.S: Use it instead of __PIC__.
4814 * config/bfin/crtn.S: Likewise.
4816 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4817 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4819 Lose 'G' modifier for call operand.
4820 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4821 recognize 'G' modifier.
4823 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4826 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4827 * stmt.c (expand_case): Likewise.
4829 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4831 PR rtl-optimization/26254
4832 * loop-invariant.c (seq_insns_valid_p): New function.
4833 (move_invariant_reg): Only emit new code if it is valid.
4835 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4837 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4839 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4840 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4841 (commit_one_edge_insertion): Do not look for loop notes.
4843 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4845 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4846 flag_test_coverage out of loop.
4848 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4850 * final.c (shorten_branches): Remove outdated comment, and turn
4851 the if branch that guards it to continue.
4853 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4855 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4856 * cfgloop.h (struct loop): Remove unused fields.
4858 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4860 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4861 (-dL, -fdump-rtl-loop2): Update the dump file names
4863 * doc/invoke.texi: Update dump file names.
4865 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4867 * predict.c (estimate_probability): Remove.
4868 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4869 * basic-block.h (estimate_probability): Remove prototype.
4870 * passes.c (finish_optimization_passes): Dump branch prediction or
4871 profiling heuristics to the .profile tree dump.
4872 (init_optimization_passes): Unqueue pass_branch_prob.
4874 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4876 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4878 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4879 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4881 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4883 * function.h (frame_offset_overflow): Declare.
4884 * function.c (frame_offset_overflow): New function.
4885 (assign_stack_local_1): Call it to detect that the offset overflows.
4886 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4888 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4890 * config/sh/sh.c: Include alloc-pool.h.
4891 (label_ref_list_pool): New alloc pool.
4892 (label_ref_list_t): New type for lists of labels.
4893 (struct pool_node): Make wend a label_ref_list_t.
4894 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4896 (dump_table): Likewise.
4897 (sh_reorg): Set up the alloc pool before using add_constant and
4898 dump_table, and destroy it when finishing.
4900 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4902 * config/mips/mips.c: Remove redundant comment.
4904 2006-03-10 Jason Merrill <jason@redhat.com>
4907 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4908 the target was declared 'register'.
4910 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4912 * genpreds.c (write_insn_constraint_len): Change definition of
4913 insn_constraint_len to return size_t to match the declaration.
4915 2006-03-10 DJ Delorie <dj@redhat.com>
4917 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4919 (m32c_expand_insv): Fix test for an AND mask.
4921 2006-03-10 Richard Guenther <rguenther@suse.de>
4924 * builtins.c (get_pointer_alignment): Handle component
4925 references for field alignment.
4927 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4929 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4930 when building with libgloss.
4931 (sh*elf): Implement --without-fp option.
4932 (sh64-superh-linux*): Don't multilib.
4934 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4936 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4938 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4940 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4941 Set it when one of the replacement functions returned true.
4942 Return TODO_cleanup_cfg if cfgchanged is true.
4943 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4945 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4947 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4948 instead of gen_lowpart.
4950 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4952 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4954 (mips_output_order_conditional_branch): Declare.
4955 * config/mips/mips.h (MIPS_BRANCH): New macro.
4956 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4957 for the comparison. Use gen_condjump.
4958 (mips_output_conditional_branch): Rework interface to take the
4959 asm templates for a direct branch and the inverse of a direct branch.
4960 (mips_output_order_conditional_branch): New function.
4961 (mips_builtin_branch_and_move): New function.
4962 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4963 branch condition. Use gen_single_cc as the condition for
4964 __builtin_mips_upper_* or __builtin_mips_lower_*.
4965 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4966 Use VOIDmode for the branch condition.
4967 * config/mips/predicates.md (order_operator): New predicate.
4968 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4969 (branch_fp): Rename to...
4970 (*branch_fp): ...this. Remove mode from comparison operator.
4971 Use new mips_output_conditional_branch interface.
4972 (branch_fp_inverted): Rename to...
4973 (*branch_fp_inverted): ...this and update as for *branch_fp.
4974 (*branch_zero<mode>): Rename to...
4975 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4976 Use mips_output_order_conditional_branch. Only accept ordered
4978 (*branch_zero<mode>_inverted): Rename to...
4979 (*branch_order<mode>_inverted): ...this and update as for
4980 *branch_order<mode>.
4981 (*branch_equality<mode>): Accept zero as the second operand to
4982 the equality operator. Use the new mips_output_conditional_branch
4984 (*branch_equality<mode>_inverted): Likewise.
4985 (condjump): New expander.
4986 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4988 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4989 (bc1any2t, bc1any2f): Likewise.
4990 (single_cc): New expander.
4991 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4993 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4995 * doc/md.texi: Update documentation of MIPS constraints.
4996 * config/mips/constraints.md: New file.
4997 * config/mips/mips.md: Include it.
4998 * config/mips/mips.c (mips_char_to_class): Delete.
4999 (override_options): Don't initialize mips_char_to_class.
5000 * config/mips/mips.h (mips_char_to_class): Delete.
5001 (REG_CLASS_FROM_LETTER): Delete.
5002 (CONST_OK_FOR_LETTER_P): Delete.
5003 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5004 (EXTRA_CONSTRAINT_Y): Delete.
5005 (EXTRA_CONSTRAINT_STR): Delete.
5006 (CONSTRAINT_LEN): Delete.
5007 (EXTRA_MEMORY_CONSTRAINT): Delete.
5009 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5011 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5012 original fn's eh regions.
5014 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5016 * fold-const.c (build_range_check): Make sure to use a valid type to
5017 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5020 (range_predecessor): New static function.
5021 (range_successor): Likewise.
5022 (merge_ranges): Use them to compute predecessors and successors of
5025 2006-03-09 Roger Sayle <roger@eyesopen.com>
5028 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5029 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5031 2006-03-08 DJ Delorie <dj@redhat.com>
5033 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5034 (addpsi3): Expand to include memory operands. Remove
5035 reload-specific splits.
5036 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5037 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5038 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5039 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5040 (shift1_qi, shift1_hi, insv): New.
5041 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5042 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5043 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5045 * config/m32c/m32c-protos.h: Update as needed.
5046 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5047 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5048 Fail for unrecognized R* constraints.
5049 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5050 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5051 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5053 (m32c_init_libfuncs): New.
5054 (m32c_legitimate_address_p): Add debug wrapper.
5055 (m32c_rtx_costs): New.
5056 (m32c_address_cost): New.
5057 (conversions): Add 'B' prefix.
5058 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5059 operands, or word regnames for QI operands. 'B' prints bit
5061 (m32c_expand_setmemhi): New.
5062 (m32c_expand_movmemhi): New.
5063 (m32c_expand_movstr): New.
5064 (m32c_expand_cmpstr): New.
5065 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5066 (m32c_expand_neg_mulpsi3): Handle non-ints.
5067 (m32c_cmp_flg_0): New.
5068 (m32c_expand_movcc): New.
5069 (m32c_expand_insv): New.
5070 (m32c_scc_pattern): New.
5071 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5072 a0/a1 out of SIregs.
5073 (STORE_FLAG_VALUE): New.
5074 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5077 * config/m32c/mov.md: Make constraints more liberal.
5078 (zero_extendqihi2): Optimize r0/r1 case.
5079 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5080 * config/m32c/predicates.md (m32c_any_operand): New.
5081 (m32c_nonimmediate_operand): New.
5082 (m32c_hl_operand): New.
5083 (m32c_r3_operand): New.
5086 (memsym_operand): New.
5087 (memimmed_operand): New.
5088 (a_qi_operand): New.
5089 (m32c_eqne_operator): New.
5090 (m32c_1bit8_operand): New.
5091 (m32c_1bit16_operand): New.
5092 (m32c_1mask8_operand): New.
5093 (m32c_1mask16_operand): New.
5094 * config/m32c/blkmov.md: New file.
5095 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5097 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5099 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5100 unsigned to fix signed/unsigned comparison issue in
5101 DWARF2_FRAME_REG_OUT.
5102 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5103 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5105 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5106 of ptr into the ENABLE_CHECKING section.
5108 2006-03-08 Jeff Law <law@redhat.com>
5110 * tree-vrp.c (infer_value_range): Only count pointer uses
5111 and dereferences if -fdelete-null-pointer-checks is enabled.
5113 * tree-vrp.c (find_assert_locations): Infer value ranges for
5114 single use pointers, but do not create ASSERT_EXPRs for them.
5115 When a non-null range is inferred for a pointer, backwards
5116 propagate that range to other equivalent pointers through the
5119 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5122 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5123 language hook targets.
5124 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5125 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5126 if language hook targets were missing.
5128 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5130 * tree-ssa-opfinalize.h: Removed.
5131 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5133 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5134 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5135 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5136 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5137 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5138 finalize_ssa_v_must_def_ops): New.
5140 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5142 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5145 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5147 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5149 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5150 addresses with offsets; reorganize.
5152 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5153 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5154 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5156 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5159 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5161 2006-03-08 Ben Elliston <bje@au.ibm.com>
5163 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5165 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5168 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5171 2006-03-07 Richard Guenther <rguenther@suse.de>
5173 PR tree-optimization/26587
5174 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5176 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5178 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5180 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5182 * hooks.c (hook_bool_mode_rtx_true): New function.
5183 * hooks.h (hook_bool_mode_rtx_true): Declare.
5184 * toplev.c (compile_file): Call output_shared_constant_pool.
5185 * varasm.c (shared_constant_pool): New variable.
5186 (assemble_start_function, assemble_end_function): Remove arguments
5187 from call to output_constant_pool.
5188 (create_constant_pool): New function, split out from...
5189 (init_varasm_status): ...here.
5190 (force_const_mem): Choose between the shared and per-function constant
5191 pools. Set current_function_uses_const_pool when reusing old entries
5192 as well as when creating new ones.
5193 (mark_constant): Ignore data argument.
5194 (mark_constants): Remove pool argument.
5195 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5196 to decide whether the function uses a constant pool.
5197 (output_constant_pool_contents): New function, split out from...
5198 (output_constant_pool): ...here.
5199 (output_shared_constant_pool): New function.
5200 (init_varasm_once): Initialize shared_constant_pool.
5201 * output.h (output_constant_pool): Delete.
5202 (output_shared_constant_pool): Declare.
5203 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5204 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5206 2006-03-06 Nick Clifton <nickc@redhat.com>
5208 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5209 flag_strength_reduce.
5211 2006-03-06 Ben Elliston <bje@au.ibm.com>
5213 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5214 x86_64-*-linux* configurations.
5216 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5217 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5219 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5221 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5223 * basic-block.h: Remove the extern for
5224 rediscover_loops_after_threading.
5226 * cfgloop.c (cancel_loop): Make it static.
5227 * cfgloop.h: Remove the prototype for cancel_loop.
5229 * flow.c (recompute_reg_usage): Make it static.
5230 * rtl.h: Remove the prototype for recompute_reg_usage.
5232 * function.c (use_return_register): Make it static.
5233 * function.h: Remove the prototype.
5235 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5237 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5239 * recog.h: Remove the prototype for
5240 validate_change_maybe_volatile.
5242 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5244 * rtlanal.c (replace_reg): Remove.
5245 * rtl.h: Remove the prototype for replace_reg.
5247 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5249 * regclass.c (reg_scan_update): Remove.
5250 (reg_scan_mark_refs): Remove the last argument.
5251 * rtl.h: Remove the prototype for reg_scan_update.
5253 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5255 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5256 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5257 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5258 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5259 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5260 loop-invariant.c, omp-low.c, opts.c, passes.c,
5261 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5262 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5263 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5264 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5265 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5266 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5268 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5270 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5271 * dwarf2out.h: Remove the prototype for
5272 dwarf2out_add_library_unit_info.
5274 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5276 * tree.c (add_var_to_bind_expr): Remove.
5277 * tree.h: Remove the prototype for add_var_to_bind_expr.
5279 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5281 * regclass.c (n_non_fixed_regs): Remove.
5282 (init_reg_sets_1, globalize_reg): Remove all uses of
5284 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5286 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5288 * rtlanal.c (insns_safe_to_move_p): Remove.
5289 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5291 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5293 * expmed.c (expand_mult_add): Remove.
5294 * expr.h: Remove the prototype for expand_mult_add.
5296 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5298 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5299 and REG_SAVED_VAL_EXP constants.
5300 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5301 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5302 Handle regs stored by value.
5303 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5304 (execute_cfa_program): Handle DW_CFA_val_offset,
5305 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5306 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5307 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5308 (uw_install_context_1): Handle target regs stored by value.
5310 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5312 * tree-sra.c (tree_sra): Return todoflags;
5313 (generate_one_element): Set TODO_update_smt_usage if needed.
5314 (pass_sra): Remove TODO_update_smt_usage.
5315 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5317 (tree_ssa_forward_propagate_single_use_vars): Return
5318 TODO_update_smt_usage if we need to update SMT usage.
5319 (pass_forwprop): Remove TODO_update_smt_usage.
5321 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5323 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5324 (correct_use_link): Remove reference to get_stmt_operands.
5325 (update_stmt_operands): Likewise.
5326 (get_modify_expr_operands): New function factored out of
5327 parse_ssa_operands and get_expr_operands.
5328 Try to create V_MUST_DEFs for LHS by default.
5329 (get_expr_operands) <case MODIFY_EXPR>: Call
5330 get_modify_expr_operands.
5331 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5332 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5333 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5334 get_modify_expr_operands.
5336 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5338 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5339 * tree-flow.h: Remove the prototype for
5340 referenced_var_lookup_if_exists.
5342 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5344 PR rtl-optimization/26345
5346 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5348 2006-03-03 Roger Sayle <roger@eyesopen.com>
5350 PR tree-optimization/26524
5351 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5352 fold_convert to create a constant of the appropriate type.
5354 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5356 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5357 SYMBOL_REF_IN_BLOCK_P.
5358 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5359 of SYMBOL_FLAG_IN_BLOCK.
5360 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5361 instead of SYMBOL_REF_IN_BLOCK_P.
5362 * explow.c (use_anchored_address): Likewise.
5363 * rtl.c (rtx_size): Likewise.
5364 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5365 instead of SYMBOL_FLAG_IN_BLOCK.
5366 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5367 SYMBOL_REF_IN_BLOCK_P.
5368 (assemble_variable): Likewise.
5369 (output_constant_def_contents): Likewise.
5370 (output_constant_pool): Likewise.
5371 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5372 instead of SYMBOL_FLAG_IN_BLOCK.
5373 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5374 SYMBOL_REF_IN_BLOCK_P.
5375 (SYMBOL_REF_BLOCK): Likewise.
5376 (SYMBOL_REF_OFFSET): Likewise.
5377 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5378 SYMBOL_REF_IN_BLOCK_P.
5379 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5380 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5381 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5382 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5384 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5386 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5388 2006-03-02 Roger Sayle <roger@eyesopen.com>
5390 * simplify-rtx.c (simplify_unary_operation): When simplifying
5391 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5392 that we perform the right shift in the appropriate mode, and
5393 then extend or truncate the result to requested mode.
5395 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5397 * gengtype.c (main): Handle double_int type.
5398 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5399 * double-int.c: New file.
5400 * double-int.h: New file.
5401 * system.h: Include doubleint.h.
5402 * Makefile.in (SYSTEM_H): Include double-int.h.
5403 (double-int.o): Add.
5405 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5408 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5411 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5413 * tree-vrp.c (remove_range_assertions): Do not update statements
5416 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5418 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5420 * gcse.c (rest_of_handle_gcse): Ditto.
5421 * except.c (gate_handle_eh): Ditto.
5422 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5423 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5425 2006-03-02 Eric Christopher <echristo@apple.com>
5427 * config/i386/i386.c (machopic_output_stub): Add indirection to
5430 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5434 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5436 Sun Niagara specific optimizations.
5437 * config.gcc: Recognize niagara as target.
5438 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5439 (TARGET_CPU_niagara): Define.
5440 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5441 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5442 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5443 (ASM_CPU_SPEC): Likewise.
5444 (PROCESSOR_NIAGARA): New enum entry.
5445 (REGISTER_MOVE_COST): Handle Niagara.
5446 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5447 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5448 (sparc_override_options): Recognize "niagara", set appropriate
5449 default MASK_* values for it, and align functions to 32-bytes
5450 by default just like ULTRASPARC/ULTRASPARC3.
5451 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5452 (sparc64_initialize_trampoline): Likewise.
5453 (sparc_use_sched_lookahead): Use zero for niagara.
5454 (sparc_issue_rate): Use one for niagara.
5455 * config/sparc/niagara.md: New file.
5456 * config/sparc/sparc.md: Include it.
5457 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5458 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5459 when default cpu is niagara.
5460 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5461 (ASM_CPU_SPEC): Likewise.
5462 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5463 when default cpu is niagara.
5464 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5465 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5466 just like v9/ultrasparc/ultrasparc3.
5467 * doc/invoke.texi: Add documentation for "niagara" and improve
5468 existing documentation for ultrasparc variants.
5470 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5472 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5474 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5476 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5477 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5478 and say that only one is needed.
5479 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5480 * target.h (have_switchable_bss_sections): New hook.
5481 * explow.c (use_anchored_address): Check that the symbol is in a block.
5482 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5483 (bss_noswitch_section): New variables.
5484 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5485 (get_noswitch_section): New function.
5486 (get_block_for_section): Allow SECT to be null.
5487 (unlikely_text_section_p): Use SECTION_STYLE.
5488 (bss_initializer_p): New function.
5489 (get_variable_section): Move earlier in file. Take a new argument,
5490 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5491 Return one of the new *_sections in such cases.
5492 (get_block_for_decl): New function, extracting some logic from
5493 use_blocks_for_decl_p.
5494 (change_symbol_section): Remove in favor of...
5495 (change_symbol_block): ...this new function.
5496 (use_blocks_for_decl_p): Remove checks now performed by
5498 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5499 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5500 (emit_local, emit_bss, emit_common): ...these new functions.
5501 Return true if the alignment was honored.
5502 (emit_tls_common): New function.
5503 (asm_emit_uninitialised): Delete.
5504 (assemble_variable_noswitch): New function, split out from...
5505 (assemble_variable): ...here. Don't make decisions about common
5506 variables here. Globalize all public decls that go into non-common
5507 sections. Check whether SYMBOL_REF_BLOCK is null.
5508 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5509 (output_constant_pool): Likewise.
5510 (init_varasm_once): Initialize the new section variables.
5511 (have_global_bss_p): New function.
5512 (categorize_decl_for_section): Use bss_initializer_p.
5513 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5514 (place_block_symbol): Assert that the symbol must be in a block.
5515 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5516 (TARGET_INITIALIZER): Include it.
5517 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5518 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5519 (SECTION_MACH_DEP): Bump by two.
5520 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5521 (unnamed_section): Mention SECTION_UNNAMED in comment.
5522 (named_section): Likewise SECTION_NAMED.
5523 (noswitch_section_callback): New type.
5524 (noswitch_section): New structure.
5525 (section): Add a noswitch_section alternative.
5526 (SECTION_STYLE): New macro.
5527 (tls_comm_section, comm_section, lcomm_section): Declare.
5528 (bss_noswitch_section, have_global_bss_p): Declare.
5529 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5530 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5532 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5533 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5536 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5538 * tree-vrp.c (execute_vrp): Return value.
5539 * regrename.c (rest_of_handle_regrename): Ditto.
5540 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5541 * tree-complex.c (tree_lower_complex): Ditto.
5542 (tree_lower_complex_O0): Ditto.
5543 * tracer.c (rest_of_handle_tracer): Ditto.
5544 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5545 * postreload.c (rest_of_handle_postreload): Ditto.
5546 * tree-tailcall.c (execute_tail_recursion): Ditto.
5547 (execute_tail_calls): Ditto.
5548 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5549 * tree.h (init_function_for_compilation): Ditto.
5550 * ipa-cp.c (ipcp_driver): Ditto.
5551 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5552 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5553 * final.c (compute_alignments): Ditto.
5554 (rest_of_handle_final): Ditto.
5555 (rest_of_handle_shorten_branches): Ditto.
5556 (rest_of_clean_state): Ditto.
5557 * omp-low.c (execute_expand_omp): Ditto.
5558 (execute_lower_omp): Ditto.
5559 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5560 * ipa-reference.c (static_execute): Ditto.
5561 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5562 * reorg.c (rest_of_handle_delay_slots): Ditto.
5563 (rest_of_handle_machine_reorg): Ditto.
5564 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5565 * flow.c (recompute_reg_usage): Ditto.
5566 (rest_of_handle_remove_death_notes): Ditto.
5567 (rest_of_handle_life): Ditto.
5568 (rest_of_handle_flow2): Ditto.
5569 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5570 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5571 (do_ssa_store_ccp): Ditto.
5572 (execute_fold_all_builtins): Ditto.
5573 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5574 * modulo-sched.c (rest_of_handle_sms): Ditto.
5575 * ipa-pure-const.c (static_execute): Ditto.
5576 * cse.c (rest_of_handle_cse): Ditto.
5577 (rest_of_handle_cse2): Ditto.
5578 * web.c (rest_of_handle_web): Ditto.
5579 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5580 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5581 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5582 * tree-nrv.c (tree_nrv): Ditto.
5583 (execute_return_slot_opt): Ditto.
5584 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5585 (create_structure_vars): Ditto.
5586 * loop-init.c (rtl_loop_init): Ditto.
5587 (rtl_loop_done): Ditto.
5588 (rtl_move_loop_invariants): Ditto.
5589 (rtl_unswitch): Ditto.
5590 (rtl_unroll_and_peel_loops): Ditto.
5591 (rtl_doloop): Ditto.
5592 * gimple-low.c (lower_function_body): Ditto.
5593 (mark_used_blocks): Ditto.
5594 * tree-ssa-sink.c (execute_sink_code): Ditto.
5595 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5596 (cgraph_early_inlining): Ditto.
5597 * global.c (rest_of_handle_global_alloc): Ditto.
5598 * jump.c (cleanup_barriers): Ditto.
5599 (purge_line_number_notes): Ditto.
5600 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5601 (rest_of_handle_if_after_reload): Ditto.
5602 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5603 (tree_ssa_loop_im): Ditto.
5604 (tree_ssa_loop_unswitch): Ditto.
5605 (tree_vectorize): Ditto.
5606 (tree_linear_transform): Ditto.
5607 (tree_ssa_loop_ivcanon): Ditto.
5608 (tree_ssa_empty_loop): Ditto.
5609 (tree_ssa_loop_bounds): Ditto.
5610 (tree_complete_unroll): Ditto.
5611 (tree_ssa_loop_prefetch): Ditto.
5612 (tree_ssa_loop_ivopts): Ditto.
5613 (tree_ssa_loop_done): Ditto.
5614 * predict.c (tree_estimate_probability): Ditto.
5615 * recog.c (split_all_insns_noflow): Ditto.
5616 (rest_of_handle_peephole2): Ditto.
5617 (rest_of_handle_split_all_insns): Ditto.
5618 * tree-eh.c (lower_eh_constructs): Ditto.
5619 * regmove.c (rest_of_handle_regmove): Ditto.
5620 (rest_of_handle_stack_adjustments): Ditto.
5621 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5622 * function.c (instantiate_virtual_regs): Ditto.
5623 (init_function_for_compilation): Ditto.
5624 (rest_of_handle_check_leaf_regs): Ditto.
5625 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5626 (rest_of_handle_gcse): Ditto.
5627 * ipa-type-escape.c (type_escape_execute): Ditto.
5628 * alias.c (rest_of_handle_cfg): Ditto.
5629 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5630 * profile.c (rest_of_handle_branch_prob): Ditto.
5631 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5632 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5633 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5634 * tree-dfa.c (find_referenced_vars): Ditto.
5635 * except.c (set_nothrow_function_flags): Ditto.
5636 (convert_to_eh_region_ranges): Ditto.
5637 (rest_of_handle_eh): Ditto.
5638 * emit-rtl.c (unshare_all_rtl): Ditto.
5639 (remove_unnecessary_notes): Ditto.
5640 * except.h (set_nothrow_function_flags): Ditto.
5641 (convert_to_eh_region_ranges): Ditto.
5642 * cfgexpand.c (tree_expand_cfg): Ditto.
5643 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5644 * tree-ssa-pre.c (do_pre): Ditto.
5645 (execute_fre): Ditto.
5646 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5647 (rest_of_handle_jump2): Ditto.
5648 * tree-sra.c (tree_sra): Ditto.
5649 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5650 (execute_mudflap_function_decls): Ditto.
5651 * tree-ssa-copy.c (do_copy_prop): Ditto.
5652 (do_store_copy_prop): Ditto.
5653 * ipa-prop.h (ipcp_driver): Ditto.
5654 * cfglayout.c (insn_locators_initialize): Ditto.
5655 * tree-ssa-forwprop.c
5656 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5657 * cfglayout.h (insn_locators_initialize): Ditto.
5658 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5659 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5660 (execute_late_warn_uninitialized): Ditto.
5661 * rtl.h (cleanup_barriers): Ditto.
5662 (split_all_insns_noflow): Ditto.
5663 (purge_line_number_notes): Ditto.
5664 (unshare_all_rtl): Ditto.
5665 (remove_unnecessary_notes): Ditto.
5666 (recompute_reg_usage): Ditto.
5667 (variable_tracking_main): Ditto.
5668 * integrate.c (emit_initial_value_sets): Ditto.
5669 * integrate.h (emit_initial_value_sets): Ditto.
5670 * tree-optimize.c (execute_free_datastructures): Ditto
5671 (execute_free_cfg_annotations): Ditto.
5672 (execute_fixup_cfg): Ditto.
5673 (execute_cleanup_cfg_pre_ipa): Ditto.
5674 (execute_cleanup_cfg_post_optimizing): Ditto.
5675 (execute_init_datastructures): Ditto.
5676 * tree-object-size.c (compute_object_sizes): Ditto.
5677 * combine.c (rest_of_handle_combine): Ditto.
5678 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5679 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5680 (rest_of_handle_reorder_blocks): Ditto.
5681 (rest_of_handle_partition_blocks): Ditto.
5682 * var-tracking.c (variable_tracking_main): Ditto.
5683 * tree-profile.c (tree_profiling): Ditto.
5684 * tree-vect-generic.c (expand_vector_operations): Ditto.
5685 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5686 * sched-rgn.c (rest_of_handle_sched): Ditto.
5687 (rest_of_handle_sched2): Ditto.
5688 * basic-block.h (free_bb_insn): Ditto.
5689 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5690 * tree-cfg.c (execute_build_cfg): Ditto.
5691 (remove_useless_stmts): Ditto.
5692 (split_critical_edges): Ditto.
5693 (execute_warn_function_return): Ditto.
5694 (execute_warn_function_noreturn): Ditto.
5695 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5696 * cfgrtl.c (free_bb_for_insn): Ditto.
5697 * passes.c (execute_one_pass): Run additional
5698 todos returned by execute function.
5699 * tree-pass.h (struct tree_opt_pass): Make execute
5702 2006-03-02 Richard Guenther <rguenther@suse.de>
5704 * tree-ssa-alias.c (find_used_portions): Consider taking
5705 the address as making the variable not write-only.
5707 2006-03-02 Nick Clifton <nickc@redhat.com>
5709 * config.gcc (default_use_cxa_atexit): Extend the description of
5710 this configure variable. Set its default value to "yes" for
5711 Linux, NetBSD and ELF targets on the assumption that they will
5712 use C libraries with the __cxa_atexit function.
5714 2006-03-02 Ben Elliston <bje@au.ibm.com>
5716 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5717 parameter as unused to suppress a build warning.
5719 2006-03-02 Ben Elliston <bje@au.ibm.com>
5721 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5724 2006-03-01 Roger Sayle <roger@eyesopen.com>
5727 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5728 declared name, the weak reference name, and the typeof name.
5729 (__gthrw): Avoid expanding the declared name suffix.
5730 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5732 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5734 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5736 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5737 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5738 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5739 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5740 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5741 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5742 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5743 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5744 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5745 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5746 (DW_END_default, DW_END_big, DW_END_little): New.
5747 (DW_END_lo_user, DW_END_hi_user): Define.
5748 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5749 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5750 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5753 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5755 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5757 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5759 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5761 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5763 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5764 to 'symbol_mem_tag'.
5766 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5769 2006-03-01 Roger Sayle <roger@eyesopen.com>
5771 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5773 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5776 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5777 MACHO_DYNAMIC_NO_PIC_P.
5778 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5780 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5783 * config/darwin-protos.h (darwin_asm_output_anchor):
5785 * config/darwin-sections.def (cstring_section):
5786 Add SECTION_MERGE to the flags.
5787 (literal4_section): Likewise.
5788 (literal8_section): Likewise.
5789 (objc_selector_refs_section): Likewise.
5790 (objc_cls_refs_section): Likewise.
5791 * config/darwin.c (darwin_asm_output_anchor): New
5793 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5795 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5797 Fix PR tree-optimization/26443
5798 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5799 to todo and PROP_tmt_usage to properties_destroyed.
5800 * tree-ssa-ccp.c (pass_ccp): Ditto.
5801 (pass_store_ccp): Ditto.
5802 * tree-ssa-dom.c (pass_dominator): Ditto.
5804 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5806 * tree-ssa-operands.c: Cleanup whitespace.
5807 (get_asm_expr_operands): Move before first invocation.
5808 (get_indirect_ref_operands): Likewise.
5809 (get_tmr_operands): Likewise.
5810 (get_call_expr_operands): Likewise.
5811 (append_def): Likewise.
5812 (append_use): Likewise.
5813 (append_v_may_def): Likewise.
5814 (append_v_must_def): Likewise.
5815 (add_call_clobber_ops): Likewise.
5816 (add_call_read_ops): Likewise.
5817 (add_stmt_operand): Likewise.
5818 (add_virtual_operand): Likewise.
5819 (build_ssa_operands): Likewise.
5821 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5826 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5827 with a call expr to ...
5828 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5830 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5832 * tree-vrp.c (extract_range_from_assert): Remove special
5833 handling for types with super-types.
5835 2006-03-01 Ben Elliston <bje@au.ibm.com>
5837 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5838 and powerpc64-*-linux* configurations.
5839 * config/t-dfprules: New file.
5841 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5842 Compile dfp-bit.c from the source directory using -DWIDTH and
5843 $DFP_CFLAGS to control the compilation of that file, rather than
5844 generating width-specific versions in the build directory.
5845 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5846 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5848 2006-02-28 Zack Weinberg <zackw@panix.com>
5850 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5853 2006-02-28 Eric Christopher <echristo@apple.com>
5855 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5856 Set up IN_LIBGCC definition of TARGET_64BIT.
5857 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5859 2006-02-28 Roger Sayle <roger@eyesopen.com>
5862 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5863 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5864 cases via the construction of "expr != 0".
5866 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5868 * alias.c (alias_invariant, alias_invariant_size): Remove.
5869 (record_base_value): Remove.
5870 (memrefs_conflict_p): Don't look at alias_invariant.
5871 (end_alias_analysis): Don't free it.
5872 * alias.h (record_base_value): Remove prototype.
5874 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5875 Adam Nemet <anemet@caviumnetworks.com>
5877 * rtl.h (truncated_to_mode): Declare it.
5878 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5879 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5880 (RTL_HOOKS_INITIALIZER): Include it.
5881 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5882 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5883 reg_truncated_to_mode.
5884 * rtlanal.c (truncated_to_mode): Define it.
5885 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5887 2006-02-28 Jeff Law <law@redhat.com>
5889 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5890 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5891 the range allowed by TYPE_PRECISION.
5893 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5895 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5897 PR tree-optimization/26419
5898 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5901 2006-02-27 Zack Weinberg <zackw@panix.com>
5903 * doc/md.texi: Fix typo in previous change.
5905 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5909 2006-02-27 Zack Weinberg <zackw@panix.com>
5911 * rtl.def (define_constraint, define_register_constraint)
5912 (define_memory_constraint, define_address_constraint): New MD forms.
5913 * gensupport.c (process_rtx): Put define_constraint etc on the
5915 * genpreds.c (process_define_predicate): Adjust comment. Validate
5916 the name, and call validate_exp to validate the expression.
5917 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5918 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5919 all callers changed.
5920 (validate_exp, needs_variable, struct constraint_data)
5921 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5922 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5923 (const_dbl_constraints, constraint_max_namelen)
5924 (have_register_constraints, have_memory_constraints)
5925 (have_address_constraints, have_address_constraints)
5926 (have_extra_constraints, have_const_int_constraints)
5927 (have_const_dbl_constraints, mangle, add_constraint)
5928 (process_define_constraint, process_define_register_constraint)
5929 (write_enum_constraint_num, write_lookup_constraint)
5930 (write_insn_constraint_len, write_regclass_for_constraint)
5931 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5932 (write_insn_extra_memory_constraint)
5933 (write_insn_extra_address_constraint)
5934 (write_satisfies_constraint_fns): New.
5935 (write_tm_preds_h): If we have new-style constraint definitions,
5936 prototype the functions generated from them, and define the
5937 old constraint interface (still used by generic code) in terms of
5939 (write_insn_preds_c): If we have new-style constraint definitions,
5940 generate all relevant functions from those definitions.
5941 (main): Handle define_constraint etc.
5942 * genoutput.c (struct constraint_data, indep_constraints)
5943 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5944 (mdep_constraint_len): New data structures and functions, defined
5945 #ifdef USE_MD_CONSTRAINTS.
5946 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5947 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5948 use new logic to validate operand constraints against constraint
5950 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5952 * defaults.h: If none of the old-style constraint macros are
5953 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5954 old-style macros; and poison REG_CLASS_FROM_LETTER,
5955 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5957 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5958 * doc/md.texi: Document new constraint-definition mechanism and the
5959 C interface it provides. Remove references to old mechanism
5960 elsewhere in the document.
5961 (Machine Constraints): Use pathnames relative to gcc directory,
5962 i.e. config/ARCH/FILE. Change i386 section to refer to
5963 config/i386/predicates.md; update that section to match docstrings.
5964 * doc/tm.texi: Move all documentation of the old constraint-
5965 definition macros to their own section, clearly mark as obsolete.
5967 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5968 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5970 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5971 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5972 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5974 (splits and peepholes): Use satisfies_constraint_*.
5975 * config/i386/i386.c (memory_address_length)
5976 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5978 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5980 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5981 scalar operation to be put back into the loop.
5983 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5986 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5987 (extract_cie_info): Handle S flag in augmentation string.
5988 (execute_cfa_program): If context->signal_frame, execute also
5989 fs->pc == context->ra instructions.
5990 (uw_frame_state_for): If context->signal_frame, don't subtract one
5991 from context->ra to find FDE.
5992 (uw_update_context_1): Set context->signal_frame to
5994 (_Unwind_GetIPInfo): New function.
5995 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5996 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5998 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5999 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6000 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6001 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6002 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6003 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6004 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6005 x86_64_fallback_frame_state): Set fs->signal_frame.
6006 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6007 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6008 (frob_update_context): Likewise. Workaround missing S flag in
6009 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6010 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6011 Remove the psw_addr + 1 hack.
6013 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6015 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6016 with aggregates here.
6017 (find_func_aliases): Remove code for &<aggregate> from here.
6019 2006-02-26 Roger Sayle <roger@eyesopen.com>
6021 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6022 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6023 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6026 2006-02-26 Roger Sayle <roger@eyesopen.com>
6029 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6031 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6033 * opts.c (decode_options): Do not handle flag_strength_reduce.
6034 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6035 and OPT_fstrength_reduce.
6036 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6037 flag_prefetch_loop_arrays for being nonzero.
6038 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6040 (fprefetch-loop-arrays-rtl): Removed.
6041 (flag_prefetch_loop_arrays): Do not specify the value.
6043 * doc/passes.texi: Update documentation of loop optimizer
6045 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6046 -frerun-loop-opt): Remove.
6048 2006-02-26 Richard Guenther <rguenther@suse.de>
6050 PR tree-optimization/26421
6051 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6052 in function calls that are ADDR_EXPRs as using the whole structure.
6054 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6056 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6057 * tree-pass.h (pass_loop_optimize): Remove.
6058 * passes.c (pass_loop_optimize): Never run it.
6059 * toplev.c (backend_init): Don't call init_loop.
6060 * opts.c (flag_loop_optimize_set): Remove.
6061 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6062 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6063 the old RTL loop optimizer when profiling enabled.
6064 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6065 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6066 pre-headers for the sake of the old RTL loop optimizer.
6067 * Makefile.in: Remove all references to loop.o.
6069 * doc/invoke.texi: Remove all references to -floop-optimize
6070 and -frerun-loop-opt.
6072 2006-02-26 Zack Weinberg <zackw@panix.com>
6074 * doc/md.texi (Machine Constraints): Refer to all files with paths
6075 relative to gcc directory (i.e. config/CPU/file). Add missing
6076 @table @code ... @end table to M32C subsection.
6078 2006-02-26 Roger Sayle <roger@eyesopen.com>
6080 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6082 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6084 2006-02-26 Roger Sayle <roger@eyesopen.com>
6085 James A. Morrison <phython@gcc.gnu.org>
6088 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6089 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6090 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6091 signedness of the shift operation.
6093 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6095 PR tree-optimization/26359
6096 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6098 2006-02-25 Roger Sayle <roger@eyesopen.com>
6100 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6101 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6102 as X == 0, and some symmetry related transformations.
6103 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6105 2006-02-25 Roger Sayle <roger@eyesopen.com>
6108 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6109 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6110 symmetry related transformations. Fold (X^C1) == C2 as
6113 2006-02-25 Juergen Weigert <jw@suse.de>
6114 Richard Guenther <rguenther@suse.de>
6116 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6118 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6120 * combine.c (gen_lowpart_or_truncate): Call
6121 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6123 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6125 * doc/invoke.texi: Move -fopenmp description to "Options for
6127 Remove reference to -lgomp.
6129 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6131 * doc/install.texi: Require GNU tar version 1.14.
6133 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6135 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6136 * doc/invoke.texi (C++ Dialect Options): Document
6137 -fno-use-cxa-get-exception-ptr.
6138 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6139 * configure: Regenerate.
6140 * c.opt (fuse-cxa-get-exception-ptr): New.
6141 * c-opts.c (c_common_handle_option): Handle
6142 OPT_fuse_cxa_get_exception_ptr.
6143 * c-common.c (flag_use_cxa_atexit): Update documentation.
6144 (flag_use_cxa_get_exception_ptr): New.
6145 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6146 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6148 (C_COMMON_OVERRIDE_OPTIONS): New.
6150 2006-02-24 Roger Sayle <roger@eyesopen.com>
6153 * combine.c (try_combine): Explicitly check whether GET_CODE is
6154 a SET or a CLOBBER, instead on checking that it isn't a USE.
6156 2006-02-24 Roger Sayle <roger@eyesopen.com>
6158 * fold-const.c (fold_comparison): New subroutine of fold_binary
6159 containing transformations common to both the equality and
6160 ordering relational operators, factored out of fold_binary.
6161 (fold_binary): Separate out the equality operators (EQ_EXPR
6162 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6163 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6164 transformations common to both.
6165 (fold_div_compare): Fix latent bugs in the previously unreachable
6166 LT_EXPR and GE_EXPR cases.
6168 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6170 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6171 decl libname for clog to __clog on AIX.
6173 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6175 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6178 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6179 output traceback table for thunks. Localise rs6000_stack_info call.
6181 2006-02-23 Roger Sayle <roger@eyesopen.com>
6182 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6184 * gthr-posix.h (__gthrw): Fix typo in comment.
6186 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6188 * doc/cpp.texi (Character sets): Document that we do support
6189 input files to be in any character set.
6191 2006-02-23 Jeff Law <law@redhat.com>
6193 * tree.h (PHI_ARG_NONZERO): Remove.
6194 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6195 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6196 node to the new node.
6198 PR tree-optimization/26425
6199 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6200 min/max, then assume its varying.
6202 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6204 PR rtl-optimization/26316
6205 * rtlanal.c (enum may_trap_p_flags): New.
6206 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6207 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6208 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6209 (may_trap_after_code_motion_p): New function.
6210 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6211 (find_invariant_insn): Use may_trap_after_code_motion_p.
6212 * rtl.h (may_trap_after_code_motion_p): Declare.
6214 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6216 * emit-rtl.c (immed_double_const): Cleanup.
6218 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6220 Fix PR tree-optimization/26376
6221 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6224 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6227 * gimplify.c (omp_add_variable): Guard variable size decl test with
6228 DECL_SIZE (decl) check.
6230 2006-02-23 Richard Guenther <rguenther@suse.de>
6233 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6234 like aggregate types.
6236 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6238 * configure.ac: Add --with{,out}-long-double-128 configure option.
6239 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6240 * configure: Rebuilt.
6241 * config.in: Rebuilt.
6242 * doc/install.texi (Options specification): Document
6243 --with-long-double-128.
6245 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6246 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6247 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6248 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6250 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6252 * config/s390/s390.c (override_options): Handle
6253 TARGET_DEFAULT_LONG_DOUBLE_128.
6255 * config/alpha/alpha.c (override_options): Handle
6256 TARGET_DEFAULT_LONG_DOUBLE_128.
6258 * config/sparc/sparc.c (sparc_override_options): Handle
6259 TARGET_DEFAULT_LONG_DOUBLE_128.
6261 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6263 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6264 (real-install-headers-tar, real-install-headers-cpio)
6265 (real-install-headers-cp): New targets.
6267 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6269 * tree.h (variable_section): Delete.
6270 * varasm.c (variable_section): Delete.
6272 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6274 * install.texi: Add notes on install.texi2html.
6275 (Building in parallel): Do not use footnotes.
6277 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6280 * doc/install.texi (Configuration): Document --disable-libgomp.
6282 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6284 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6286 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6288 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6289 (vec_extractv2df_0_sse): New.
6291 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6293 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6294 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6295 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6296 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6297 to the result of the expression.
6298 (def_cfa_1): Adjust.
6299 (frame_pointer_cfa_offset): Rename to...
6300 (frame_pointer_fb_offset): ... this. Adjust all uses.
6301 (convert_cfa_to_loc_list): Rename to...
6302 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6303 Pass it on to build_cfa_loc.
6304 (compute_frame_pointer_to_cfa_displacement): Rename to...
6305 (compute_frame_pointer_to_fb_displacement): ... this. New
6306 offset parameter. Use it in computation.
6307 (gen_subprogram_die): Compute cfa_fb_offset with the new
6308 macro, and use it to compute the fb loc list and the
6311 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6313 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6314 replaced with register_operand.
6315 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6316 non-DREG is expensive.
6317 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6318 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6321 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6323 * doc/install.texi2html: Use set -e.
6325 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6327 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6328 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6329 * doc/invoke.texi (-fshared-data): Delete.
6330 * common.opt (fshared-data): Delete.
6331 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6332 (assemble_static_space): Remove #if 0 code.
6333 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6334 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6335 * config/cris/cris.h: Remove FIXME.
6337 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6339 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6342 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6345 * combine.c (simplify_shift_const_1): Disable nested shifts
6346 optimization for vector shifts.
6348 2006-02-20 Roger Sayle <roger@eyesopen.com>
6350 PR tree-optimization/26361
6351 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6352 of unsigned integer types.
6354 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6356 * tree-chrec.c (eq_evolutions_p): New.
6357 * tree-chrec.h (eq_evolutions_p): Declared.
6358 * tree-data-ref.c: Fix formatting.
6359 (datadep_stats, dependence_stats): New.
6361 (print_direction_vector): New.
6362 (dump_data_dependence_relation): Use print_direction_vector.
6363 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6364 (compute_subscript_distance): Static.
6365 (initialize_data_dependence_relation): Static. Get the number
6366 of loops surrounding the references from the callers, and initialize
6367 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6368 base_object_differ_p analyzers.
6369 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6370 compute_overlap_steps_for_affine_1_2,
6371 analyze_subscript_affine_affine): Count the classified dependences.
6372 Print a message when a test failed.
6373 (can_use_analyze_subscript_affine_affine): New.
6374 (analyze_siv_subscript): Compute the data dependences on symbolic
6375 scevs that verify can_use_analyze_subscript_affine_affine.
6376 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6377 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6378 Handle symbolic scevs.
6379 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6381 (subscript_dependence_tester): Moved...
6382 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6383 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6384 DDR_SIZE_VECT instead of getting it in parameter.
6385 (subscript_dependence_tester): ... here. Take as a parameter
6386 loop_nest_depth. Call build_classic_dist_vector and
6387 build_classic_dir_vector.
6388 (compute_affine_dependence): Update subscript_dependence_tester
6389 parameters. Update datadep_stats counters. Call
6390 compute_subscript_distance.
6391 (compute_self_dependence): Save the dist and dir vectors. Call
6392 compute_subscript_distance.
6393 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6394 (compute_all_dependences): Reorder parameters as they were before
6395 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6396 compute_subscript_distance. Update the use of
6397 compute_affine_dependence and initialize_data_dependence_relation.
6398 (find_data_references_in_loop): Handle COMPONENT_REF.
6399 (compute_data_dependences_for_loop): Initialize dependence_stats.
6400 Don't call build_classic_dist_vector and build_classic_dir_vector.
6401 Update the parameters of initialize_data_dependence_relation and
6402 compute_all_dependences. Print the statistics from datadep_stats.
6403 (analyze_all_data_dependences): Static. Not used until the pass for
6404 checking the data dependences is contributed.
6405 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6406 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6407 (initialize_data_dependence_relation, compute_affine_dependence,
6408 analyze_all_data_dependences, compute_subscript_distance): Removed.
6409 (print_direction_vector): New.
6410 * lambda.h (gcd): ... here.
6411 (lambda_vector_gcd): Moved here from gcd_vector.
6412 * lambda-code.c (gcd, gcd_vector): Removed.
6413 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6414 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6416 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6418 * ipa-type-escape.c: Tidy some comments and white space.
6419 * tree-ssa-operands.c: Likewise.
6421 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6424 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6425 (dump_decl_name): Do not walk the decl tree chains.
6426 * tree-pass.h (TDF_CHAIN): Remove.
6428 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6430 * Makefile.in (C): Remove
6432 (.PHONY): Remove C and PROTO
6434 2006-02-20 Roger Sayle <roger@eyesopen.com>
6437 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6438 deprecated CHAR_TYPE tree code.
6440 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6442 * configure.ac (target_list): Add install-info, dvi, html.
6443 * configure: Regenerate.
6445 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6446 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6447 treelang/Make-lang.in: Do not use double-colon rules.
6449 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6451 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6452 (TMT_USED_ALONE): New macro.
6453 * tree-pass.h (PROP_tmt_usage): New property.
6454 (TODO_update_tmt_usage): New todo.
6455 * tree-ssa-alias.c (updating_used_alone): New variable.
6456 (recalculate_used_alone): New function.
6457 (compute_may_aliases): Set updating_used_alone, call
6458 recalculate_used_alone.
6459 * tree-sra.c (pass_sra): Note that this pass destroys
6460 PROP_tmt_usage, and add TODO_update_tmt_usage.
6461 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6462 * tree-flow.h (updating_used_alone): Prototype.
6463 (recalculate_used_alone): Ditto.
6464 * passes.c (execute_todo): Add code to set updating_used_alone,
6465 and call recalculate.
6466 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6467 for clobber if used alone, and add assert to verify used_alone
6470 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6472 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6473 for non tls symbols added.
6474 (legitimize_address): Do nothing for PLUS expressions if one of the
6475 addends is a tls symbol reference.
6477 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6481 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6483 * Makefile.in (BOOTSTRAPPING): New.
6484 (quickstrap): New definition if BOOTSTRAPPING=yes.
6486 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6487 * configure.ac: Substitute all_selected_languages with the languages
6488 that were configured. For all the other variables except
6489 lang_specs_files, include all the languages in the tree.
6490 * configure: Regenerate.
6492 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6493 if there is one. Run the commands to run fixincludes in the same
6496 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6497 * doc/install.texi: Document exact conventions for searching target tools.
6498 Document --with-build-time-tools. Document toplevel bootstrap. Document
6499 something more about building an Ada cross-compiler. Don't list GNU Make
6500 requirements which affect all platforms.
6502 2006-02-19 Roger Sayle <roger@eyesopen.com>
6505 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6506 only equivalent if the have both the same mode and precision.
6508 2006-02-20 Ben Elliston <bje@au.ibm.com>
6510 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6512 2006-02-19 Roger Sayle <roger@eyesopen.com>
6513 Steven Bosscher <stevenb.gcc@gmail.com>
6515 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6516 constant pool references to identify stack mode constants.
6517 * rtlanal.c (constant_pool_constant_p): New predicate to check
6518 whether operand is a floating point constant in the pool.
6519 * rtl.h (constant_pool_constant_p): Prototype here.
6520 * loop.c (scan_loop): Avoid hoisting constants from the constant
6521 pool on STACK_REGS targets.
6522 (load_mems): Likewise.
6523 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6524 loads into x87 registers expensive in terms of register pressure.
6526 2006-02-19 Roger Sayle <roger@eyesopen.com>
6528 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6529 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6531 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6533 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6534 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6536 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6538 * doc/invoke.texi: Document -fipa-pta.
6539 * common.opt: Add ipa-pta option.
6540 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6541 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6542 (do_ds_constraint): Ditto.
6543 (get_constraint_for): Only add to referenced_vars if
6544 referenced_vars exists.
6545 (insert_into_field_list): Rewrite to do this unsorted.
6546 (insert_into_field_list_sorted): Rename old insert_into_field_list
6548 (create_function_info_for): Use insert_into_field_list_sorted.
6549 (create_variable_info_for): Rewrite so it uses unsorted version,
6550 since the field list is sorted.
6551 (intra_create_variable_infos): Only add to referenced_vars if
6552 referenced_vars exists.
6553 (ipa_pta_execute): Init heapvars, and delete when done.
6554 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6556 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6558 * doc/install.texi: Add missing `@samp'.
6560 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6562 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6565 2006-02-18 Mark Wielaard <mark@klomp.org>
6567 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6568 who added new 4.1 features, bug fixes and integration support.
6570 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6573 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6576 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6578 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6579 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6580 (copy_insn_1): Likewise. Don't copy each field individually.
6582 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6584 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6585 * rtl.c (rtx_size): Rename variable to...
6586 (rtx_code_size): ...this.
6587 (rtx_size): New function.
6588 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6589 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6591 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6592 * rtl.h (rtx_code_size): New variable.
6593 (rtx_size): Change from a variable to a function.
6594 (RTX_SIZE): Rename to...
6595 (RTX_CODE_SIZE): ...this.
6598 PR tree-optimization/17106
6599 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6600 (Anchored Addresses): New section.
6601 * doc/invoke.texi (-fsection-anchors): Document.
6602 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6603 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6604 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6605 * hooks.c (hook_bool_mode_rtx_false): New function.
6606 * hooks.h (hook_bool_mode_rtx_false): Declare.
6607 * gengtype.c (create_optional_field): New function.
6608 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6609 SYMBOL_REF_IN_BLOCK_P is true.
6610 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6611 (min_anchor_offset, max_anchor_offset): Likewise.
6612 (use_anchors_for_symbol_p): New hook.
6613 * toplev.c (compile_file): Call output_object_blocks.
6614 (target_supports_section_anchors_p): New function.
6615 (process_options): Check that -fsection-anchors is only used on
6616 targets that support it and when -funit-at-a-time is in effect.
6617 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6618 if the decl doesn't have one.
6619 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6620 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6621 of force_const_mem through use_anchored_address.
6622 (expand_expr_constant): New function.
6623 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6624 calling expand_expr for INDIRECT_REF.
6625 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6626 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6627 * expr.h (use_anchored_address): Declare.
6628 * loop-unroll.c: Don't declare rtx vectors here.
6629 * explow.c: Include output.h.
6630 (validize_mem): Call use_anchored_address.
6631 (use_anchored_address): New function.
6632 * common.opt (-fsection-anchors): New switch.
6633 * varasm.c (object_block_htab, anchor_labelno): New variables.
6634 (hash_section, object_block_entry_eq, object_block_entry_hash)
6635 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6636 (use_blocks_for_decl_p, change_symbol_section): New functions.
6637 (get_variable_section): New function, split out from assemble_variable.
6638 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6639 use_blocks_for_decl_p say so. Use change_symbol_section if the
6640 symbol has already been created.
6641 (assemble_variable_contents): New function, split out from...
6642 (assemble_variable): ...here. Don't output any code for
6643 block symbols; just pass them to place_block_symbol.
6644 Use get_variable_section and assemble_variable_contents.
6645 (get_constant_alignment, get_constant_section, get_constant_size): New
6646 functions, split from output_constant_def_contents.
6647 (build_constant_desc): Create a block symbol if use_object_blocks_p
6648 says so. Or into SYMBOL_REF_FLAGS.
6649 (assemble_constant_contents): New function, split from...
6650 (output_constant_def_contents): ...here. Don't output any code
6651 for block symbols; just pass them to place_section_symbol.
6652 Use get_constant_section and get_constant_alignment.
6653 (force_const_mem): Create a block symbol if use_object_blocks_p and
6654 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6655 (output_constant_pool_1): Add an explicit alignment argument.
6656 Don't switch sections here.
6657 (output_constant_pool): Adjust call to output_constant_pool_1.
6658 Switch sections here instead. Don't output anything for block symbols;
6659 just pass them to place_block_symbol.
6660 (init_varasm_once): Initialize object_block_htab.
6661 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6662 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6663 (place_block_symbol, get_section_anchor, output_object_block)
6664 (output_object_block_htab, output_object_blocks): New functions.
6665 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6666 (TARGET_ASM_OUT): Include it.
6667 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6668 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6669 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6670 (TARGET_INITIALIZER): Include them.
6671 * rtl.c (rtl_check_failed_block_symbol): New function.
6672 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6673 (block_symbol, object_block): New structures.
6674 (rtx_def): Add a block_symbol field to the union.
6675 (BLOCK_SYMBOL_CHECK): New macro.
6676 (rtl_check_failed_block_symbol): Declare.
6677 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6678 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6679 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6680 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6681 * output.h (output_section_symbols): Declare.
6682 (object_block): Name structure.
6683 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6684 (default_use_anchors_for_symbol_p): Declare.
6685 * Makefile.in (RTL_BASE_H): Add vec.h.
6686 (explow.o): Depend on output.h.
6687 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6688 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6689 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6690 (rs6000_use_blocks_for_constant_p): New function.
6692 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6694 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6696 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6699 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6702 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6704 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6708 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6711 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6712 instead of DECL_REGISTER.
6714 2006-02-18 Olivier Hainque <hainque@adacore.com>
6717 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6719 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6722 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6723 * opth-gen.awk: Handle Var and InverseMask together.
6724 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6725 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6726 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6727 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6729 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6730 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6731 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6732 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6733 LINUX_DYNAMIC_LINKER): Define.
6734 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6735 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6737 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6738 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6739 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6740 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6741 (TARGET_C99_FUNCTIONS): Don't define.
6742 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6743 GLIBC_DYNAMIC_LINKER.
6744 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6745 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6746 GLIBC_DYNAMIC_LINKER64): Define.
6747 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6748 LINUX_DYNAMIC_LINKER64.
6749 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6751 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6752 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6753 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6755 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6756 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6757 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6758 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6759 and LINUX_DYNAMIC_LINKER32.
6760 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6761 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6762 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6763 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6764 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6766 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6767 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6768 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6769 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6770 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6771 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6772 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6773 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6774 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6775 LINUX_DYNAMIC_LINKER): Define.
6776 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6777 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6778 GLIBC_DYNAMIC_LINKER64): Define.
6779 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6780 LINUX_DYNAMIC_LINKER64.
6781 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6782 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6783 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6784 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6785 LINUX_DYNAMIC_LINKER): Define.
6786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6787 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6788 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6789 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6790 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6791 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6792 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6793 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6794 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6795 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6796 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6797 * doc/invoke.texi (-muclibc): Remove caveat about supported
6800 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6802 * doc/cpp.texi (__TIMESTAMP__): Document.
6804 2006-02-17 Roger Sayle <roger@eyesopen.com>
6807 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6808 C is one less than the width of X (and related transformations).
6809 * simplify-rtx.c (simplify_unary_operation_1): Transform
6810 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6811 depending on STORE_FLAG_VALUE, were C is one less then the
6814 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6816 Fix PR tree-optimization/26341
6817 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6818 about NAME_MEMORY_TAG's.
6820 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6823 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6824 with hardware float support, and software float support. Add fcpy
6825 alternative to hardware patterns. Add alternatives to copy between
6826 general and floating-point registers to the 32-bit pattern.
6827 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6828 secondary reload to load a QI or HI mode constant into a floating
6830 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6831 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6833 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6836 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6838 (load_macho_picbase_di): Likewise.
6840 2006-02-16 Jeff Law <law@redhat.com>
6842 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6843 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6844 (ssa_name_nonzero_p): Likewise.
6845 (get_value_range): Return NULL if VRP is not running.
6846 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6847 VRP routines do not discover a range.
6848 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6849 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6850 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6851 (tree_expr_nonnegative_p): Similarly.
6852 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6853 (restore_nonzero_vars_to_original_value): Remove.
6854 (unsafe_associative_fp_binop): Remove.
6855 (tree_ssa_dominator_optimize): Remove initialization and
6856 finalization of nonzero_vars and nonzero_vars_stack.
6857 (dom_opt_initialize_block): No longer push marker on
6859 (dom_opt_finalize_block): No longer call
6860 restore_nonzero_vars_to_original_value.
6861 (record_equivalences_from_phis): No longer look for
6862 nonzero PHI arguments.
6863 (cprop_into_successor_phis): No longer propagate nonzero
6864 property into PHI arguments. Lose unused argument. Caller
6866 (record_equivalences_from_stmt): No longer record nonzero
6867 values for SSA_NAMEs.
6868 (lookup_avail_expr): No longer use nonzero_vars.
6870 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6871 for sizetype when sizetype is unsigned.
6873 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6875 PR rtl-optimization/25603
6876 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6877 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6878 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6879 with new meaning of SETS.
6881 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6886 * config/linux.opt: New file.
6887 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6888 LINUX_DYNAMIC_LINKER): Define.
6889 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6890 * config.gcc (*-*-linux*): Define extra_options.
6891 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6892 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6893 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6894 GLIBC_DYNAMIC_LINKER.
6895 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6896 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6897 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6899 * doc/invoke.texi (GNU/Linux Options): New section.
6901 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6903 * config/sparc/sparc.md (setjmp): Rewrite.
6904 (setjmp_32): Delete.
6905 (setjmp_64): Likewise.
6907 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6909 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6912 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6914 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6917 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6919 PR rtl-optimization/26296
6920 * Makefile.in (loop-invariant.c): Add except.h dependency.
6921 * loop-invariant.c: Include except.h.
6922 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6924 2005-02-16 Paul Brook <paul@codesourcery.com>
6926 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6929 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6931 PR rtl-optimization/25636
6932 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6933 when deciding whether an insn is an initializing insn.
6935 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6937 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6938 (tree_code_size): Ditto.
6939 * tree.h (struct tree_memory_tag): Remove parent_var.
6940 (struct tree_struct_field_tag): New.
6943 (union tree_node): Add sft member.
6944 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6946 (create_sft): Add size and offset argument, set SFT_OFFSET and
6948 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6949 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6950 * tree-flow-inline.h (get_subvar_at): Update for
6951 SFT_OFFSET/SFT_SIZE.
6952 (var_can_have_subvars): Ditto.
6953 (overlap_subvar): Ditto.
6954 * print-tree.c (print_node): Print out interesting things for
6956 * tree-flow.h (struct subvar): Remove offset and size members.
6957 * tree-ssa-operands.c (get_expr_operands): Update for
6958 get_indirect_ref_operands changes.
6959 (get_indirect_ref_operands): Call add_virtual_operand instead of
6960 add_stmt_operand. Only recurse on base var if requested.
6961 (access_can_touch_variable): New function.
6962 (add_stmt_operand): Split virtual operand handling into ...
6963 (add_virtual_operand): Here. Add offset, size, and for_clobber
6964 arguments. Prune alias sets.
6965 (add_call_clobber_ops): Call add_virtual_operand.
6967 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6970 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6972 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6973 than TREE_CODE as index into omp_clause_num_ops array.
6975 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6977 PR rtl-optimization/26184
6978 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6980 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6981 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6982 must_precede, must_follow and tobe_scheduled.
6985 * opts.c (common_handle_option): Free new_option pointer.
6986 * df-core.c (df_analyze): Free postorder pointer.
6988 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6990 * Makefile.in: Fix the examples about the use of stamps
6992 2006-02-15 Michael Matz <matz@suse.de>
6996 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6997 influenced by maximum_field_alignment or DECL_PACKED.
6998 (update_alignment_for_field): Ditto.
6999 (place_field): Ditto.
7000 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7003 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7005 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7006 (debug_flow_info): Pass it.
7007 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7008 * bb-reorder.c (reorder_basic_blocks): Likewise.
7009 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7010 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7011 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7012 * gcse.c (gcse_main, bypass_jumps): Likewise.
7013 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7014 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7015 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7016 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7017 * rtl.h (dump_flow_info): Adjust prototype.
7018 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7019 * var-tracking.c (variable_tracking_main): Likewise.
7020 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7021 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7024 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7026 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7029 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7031 PR tree-optimization/26209
7032 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7033 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7035 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7037 2006-02-14 Roger Sayle <roger@eyesopen.com>
7040 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7041 (X,Y) and the corresponding symmetry related transformations.
7042 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7043 (X,Y) and its symmetry related transformations.
7045 2006-02-14 Roger Sayle <roger@eyesopen.com>
7047 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7050 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7052 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7054 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7057 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7058 support COMDAT group.
7059 * configure: Regenerate.
7061 2006-02-14 Roger Sayle <roger@eyesopen.com>
7066 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7068 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7070 Fix PR tree-optimization/26260
7072 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7074 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7075 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7076 * tree-ssa-structalias.c (create_variable_info_for): Use
7077 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7079 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7081 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7083 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7084 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7085 of the ending condition.
7086 * tree-ssa-loop-manip.c: Include params.h.
7087 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7088 tree_unroll_loop): New functions.
7089 * tree-pass.h (pass_loop_prefetch): Declare.
7090 * loop.c (rest_of_handle_loop_optimize): Test for
7091 -fprefetch-loop-arrays-rtl.
7092 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7093 * timevar.def (TV_TREE_PREFETCH): New timevar.
7094 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7095 pass_loop_prefetch): New.
7096 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7097 (cleanup_tree_cfg_loop): Call scev_reset.
7098 * common.opt (fprefetch-loop-arrays-rtl): Add.
7099 * tree-ssa-loop-prefetch.c: New file.
7100 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7101 (new_temp_expr_table): Initialize expr_vars.
7102 (free_temp_expr_table): Cleanup expr_vars.
7103 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7104 expressions from being merged into one.
7105 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7106 (struct tree_niter_desc): Add control, bound and cmp fields.
7107 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7109 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7110 (tree-cfgcleanup.o): Add SCEV_H dependency.
7111 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7112 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7114 2006-02-14 Richard Guenther <rguenther@suse.de>
7116 PR tree-optimization/26258
7117 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7118 in PHI argument processing.
7120 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7122 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7123 new expression in the requested machine mode.
7125 2006-02-13 Roger Sayle <roger@eyesopen.com>
7127 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7128 directly, instead let do_compare_rtx_and_jump handle this for us.
7129 * expr.c (expand_expr_real_1): Likewise.
7130 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7131 before do_jump_by_parts_greater.
7132 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7133 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7135 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7137 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7139 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7141 PR rtl-optimization/26235
7142 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7143 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7146 2006-02-13 Jeff Law <law@redhat.com>
7148 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7151 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7154 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7155 twice if decl is a builtin. When trying again, call get_callee_fndecl
7156 first to verify it is still a builtin.
7158 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7160 * dwarf2out.c (base_type_die): Don't add AT_name here.
7161 (subrange_type_die): Don't add AT_name here.
7162 (modified_type_die): Rearrange code flow. Do add AT_name here.
7164 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7166 PR rtl-optimization/26247
7167 PR rtl-optimization/26248
7168 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7170 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7172 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7173 * config/fixtfdi.c: Likewise.
7174 * config/fixunstfdi.c: Likewise.
7175 * config/floatditf.c: Likewise.
7177 2006-02-13 Roger Sayle <roger@eyesopen.com>
7180 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7181 into (X,C2) if C1 is a subset of the bits of C2. Transform
7182 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7184 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7186 2006-02-13 Josh Conner <jconner@apple.com>
7189 * varasm.c (function_section): Check for section name before
7190 calling select_section on targets that define
7191 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7192 unlikely_text_section instead of hot_function_section if
7193 first_function_block_is_cold.
7195 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7198 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7200 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7202 PR rtl-optimization/26222
7203 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7204 after tree->rtl expansion.
7205 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7206 before passing it to emit_move_insn.
7208 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7210 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7212 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7213 Clarify documentation.
7214 * c-common.h (warn_write_strings): Remove.
7215 * c-common.c (warn_write_strings): Likewise.
7216 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7219 2006-02-12 Roger Sayle <roger@eyesopen.com>
7222 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7223 (do_jump_parts_zero_rtx): New function renamed from
7224 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7225 (do_jump_parts_equality_rtx): New function split out from
7226 do_jump_parts_equality. Old implementation renamed as above.
7227 Call do_jump_parts_zero_rtx if either operand is zero.
7228 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7229 do all of the heavy lifting.
7230 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7231 calling either do_jump_by_parts_greater_rtx or
7232 do_jump_by_parts_equality_rtx.
7233 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7234 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7235 moved to do_compare_rtx_and_jump, call it directly.
7236 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7237 mode argument. Call do_compare_rtx_and_jump.
7238 (emit_case_nodes): Update calls to do_jump_if_equal.
7240 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7242 PR rtl-optimization/26225
7243 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7245 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7247 PR rtl-optimization/26232
7248 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7250 2006-02-11 Jason Merrill <jason@redhat.com>
7253 * tree-inline.c (declare_return_variable): Just don't use the
7254 modify target if it's a gimple complex reg and the return slot
7257 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7259 * doc/contrib.texi: Update my entry.
7261 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7263 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7265 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7267 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7270 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7272 * doc/invoke.texi (-floop-optimize2): Removed.
7273 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7274 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7275 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7276 * common.opt (floop-optimize2): Removed.
7277 (fmove-loop-invariants): Enabled by default.
7279 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7281 * tree-if-conv.c (combine_blocks): Free the result of
7282 get_loop_exit_edges.
7284 2006-02-10 Jeff Law <law@redhat.com>
7286 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7288 PR tree-optimization/26213
7289 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7290 loop trying to follow SSA_NAME_VALUE chains.
7292 2006-02-10 Richard Guenther <rguenther@suse.de>
7294 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7295 deal with structures that end in implicitly variable sized arrays.
7297 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7299 PR rtl-optimization/24762
7300 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7303 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7305 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7306 (struct ivopts_data): Add regs_used field.
7307 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7308 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7309 instead of loop_data->regs_used;
7310 (free_loop_data): Do not free aux fields for loops.
7311 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7312 and tree_ssa_iv_optimize_finalize.
7314 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7316 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7318 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7321 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7322 computing the effective result type.
7324 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7327 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7328 (tree_overlaps_hard_reg_set): Declare.
7329 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7330 type and signature to match function type expected by walk_tree.
7331 (tree_overlaps_hard_reg_set): New function.
7332 (decl_conflicts_with_clobbers_p): Rename to:
7333 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7334 Use tree_overlaps_hard_reg_set. Changed caller.
7335 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7336 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7337 * cris.c (cris_md_asm_clobbers): Likewise.
7339 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7341 * reload1.c (emit_input_reload_insns): Delete code that tries to
7342 inherit using find_equiv_reg.
7344 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7346 * c-common.h (flag_const_strings): Don't declare.
7347 * c-common.c (flag_const_strings): Remove.
7348 * c.opt (fconst_strings): Remove.
7349 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7350 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7351 (c_common_init_options): Don't set flag_const_strings.
7352 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7354 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7356 * arm.md (tlobits_cbranch): New pattern.
7357 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7358 testing a single bit.
7360 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7363 * tree-ssa-pre.c (create_component_ref_by_pieces):
7364 Handle RETURN_DECL like VAR_DECL.
7366 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7369 * fold-const.c (fold_indirect_ref_1): Fold
7370 "*(foo *)&complexfoo" to "__real__ complexfoo"
7371 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7373 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7375 * tree-flow-inline.h (var_can_have_subvars):
7376 Volatile variables should not have subvariables.
7378 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7381 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7382 multiplying unsigned values.
7385 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7387 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7389 2006-02-08 Jason Merrill <jason@redhat.com>
7392 * tree.def: Elaborate on difference from MODIFY_EXPR.
7393 * doc/c-tree.texi (INIT_EXPR): Likewise.
7394 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7395 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7396 (gimplify_target_expr): Likewise.
7397 (gimplify_cond_expr): Remove target handling.
7398 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7399 (gimplify_expr): Clobber it here.
7400 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7401 Do return slot optimization if we have an INIT_EXPR.
7404 * tree-inline.c (declare_return_variable): Also clear
7405 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7408 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7411 * gimplify.c (gimplify_one_sizepos): Fix typo.
7413 2006-02-08 Jeff Law <law@redhat.com>
7415 PR tree-optimization/21417
7416 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7417 across a backedge if the control statement at the end of the
7418 block is data dependent on other statements in the same block.
7419 (record_temporary_equivalences_from_stmts): Remove over-conservative
7420 test for threading across backedges.
7422 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7423 control statement, handle all three special cases in the same
7424 manner as they all have the same desired solution. No longer
7425 special case edge flag updating when the post dominator is
7428 2006-02-08 Roger Sayle <roger@eyesopen.com>
7430 * tree.def (CHAR_TYPE): Remove.
7431 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7432 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7433 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7434 (gen_string_type_die): Delete unreachable function.
7436 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7437 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7438 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7439 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7440 * builtins.c (type_to_class): Likewise.
7441 * fold-const.c (fold_convert, build_range_check,
7442 merge_ranges): Likewise.
7443 * expr.c (count_type_elements): Likewise.
7444 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7445 * stor-layout.c (layout_type): Likewise.
7446 * ipa-type-escape.c (type_to_consider): Likewise.
7447 * gimplify.c (omp_firstprivatize_type_sizes,
7448 gimplify_type_sizes): Likewise.
7449 * explow.c (promote_mode): Likewise.
7450 * tree-sra.c (is_sra_scalar_type): Likewise.
7451 * varasm.c (output_constant): Likewise.
7452 * tree-inline.c (remap_type_1): Likewise.
7453 * convert.c (convert_to_pointer, convert_to_real,
7454 convert_to_integer, convert_to_complex): Likewise.
7456 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7458 * df-scan.c (df_def_record_1): A set destination may
7459 be a parallel regardless of mode.
7461 2006-02-08 Roger Sayle <roger@eyesopen.com>
7464 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7465 * config/mips/_tilib.c: Remove.
7466 * config/fixtfdi.c: New libgcc source file.
7467 * config/fixunstfdi.c: New source file.
7468 * config/floatditf.c: New source file.
7469 * config/floatunditf.c: New souce file.
7470 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7471 files above instead of config/mips/_tilib.c.
7472 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7474 2006-02-08 Jeff Law <law@redhat.com>
7476 PR tree-optimization/26169
7477 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7480 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7482 * df.h (DF_REG_SIZE): Return the length of the initialized
7485 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7487 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7488 __muldf3): Return a correctly signed zero.
7490 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7492 * passes.c (register_one_dump_file): Accept the current properties
7493 instead of pass number. Adjust call to dump_register. Remove
7495 (register_dump_files): Now a wrapper around...
7496 (register_dump_files_1): ... this one. Do not modify the pass
7498 (next_pass_1): Cosmetic fix.
7499 (execute_todo): Keep second parameter only. Use curr_properties
7500 instead of fetching it from the pass structure. Check and set
7502 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7503 instead of fetching it from the pass structure. Fix calls to
7504 execute_todo. Update curr_properties and initialize .vcg RTL dump
7505 after running the pass. Reset last_verified.
7506 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7508 (FIRST_AUTO_NUMBERED_DUMP): New.
7509 (dump_register): Remove "num" parameter, assign it within the
7511 (get_dump_file_name): Modify template for dumps.
7512 * tree-dump.h (dump_register): Adjust prototype.
7513 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7514 (PROP_trees): Add PROP_gimple_lomp.
7515 (TODO_set_props): New.
7516 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7517 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7518 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7520 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7522 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7523 (sparc64-*-linux*): Likewise.
7524 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7525 * config/sparc/t-linux: New file.
7526 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7527 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7528 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7529 -m32 -mlong-double-128.
7531 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7532 * config/alpha/t-linux: New file.
7533 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7535 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7536 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7537 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7538 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7539 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7540 (CPP_ARCH32_SPEC): Remove.
7542 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7544 PR tree-optimization/26145
7545 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7548 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7551 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7552 >= 240000 when generating code for SOM runtime.
7553 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7554 to $$dyncall when generating code for SOM runtime..
7556 2006-02-07 Dirk Mueller <dmueller@suse.com>
7559 * doc/invoke.texi (-Wsequence-point): Update documentation
7560 that -Wsequence-point is implemented for C++ as well.
7562 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7564 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7565 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7566 (LIB_SPEC): Likewise.
7567 * doc/invoke.texi (SPARC options): Document -pthread.
7569 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7571 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7574 2006-02-07 Roger Sayle <roger@eyesopen.com>
7576 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7577 Correct comment describing BOOLEAN_TYPE.
7579 2006-02-07 Dirk Mueller <dmueller@suse.com>
7581 * c.opt: C++ frontend supports -Wdiv-by-zero.
7582 * c-opts.c (c_common_handle_option): Remove dead case.
7584 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7586 * configure.ac (TLS assembler check): Do not enable TLS by
7587 default on SPARC/Solaris before version 10.
7588 * configure: Regenerate.
7590 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7592 * doc/invoke.texi (xl-compat): Document conversion and support
7595 2006-02-07 Jeff Law <law@redhat.com>
7597 * tree-vrp.c (find_conditional_asserts): Update comments.
7598 (simplify_stmt_for_jump_threading): New.
7599 (identify_jump_threads, finalize_jump_threads): New.
7600 (vrp_finalize): Call identify_jump_threads.
7601 (execute_vrp): Call finalize_jump_threads.
7602 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7603 (vrp_element, vrp_data, vrp_element_p): Remove.
7604 (vrp_hash_elt, vrp_variables_stack): Remove.
7605 (vrp_hash, vrp_eq, record_range): Remove.
7606 (simplify_cond_and_lookup_avail_expr): Remove.
7607 (extract_range_from_cond): Remove.
7608 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7609 (simplify_stmt_for_jump_threading): New.
7610 (dom_thread_across_edge): New wrapper.
7611 (tree_ssa_dominator_optimize): No longer initialize or
7612 finalize any of the VRP datastructures. Remove iteration
7613 step and simplify as a result of removal of iteration step.
7614 (pass_dominator): Perform a cfg cleanup after DOM.
7615 (dom_opt_finalize_block): Use the new common routines
7616 for threading jumps. Simplify stack management slightly.
7617 No longer need to unwind VRP state.
7618 (record_equivalences_from_incoming_edge): No longer record
7620 (eliminate_redundant_computations): No longer call
7621 simplify_cond_and_lookup_avail_expr.
7622 * tree-flow.h (potentially_threadable_block): Prototype.
7623 (thread_across_edge): Likewise.
7624 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7625 (tree-ssa-threadedge.o): Add dependencies.
7626 * tree-ssa-threadedge.c: New file.
7627 * passes.c (init_optimization_passes): Merge PHIs before
7628 calling VRP. Run VRP again late in the SSA optimization pipeline.
7630 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7632 * df-core.c (df_set_blocks): Do not dereference function pointers.
7633 (df_finish1): Likewise.
7634 (df_hybrid_search_forward): Likewise.
7635 (df_hybrid_search_backward): Likewise.
7636 (df_iterative_dataflow): Likewise.
7637 (df_analyze_problem): Likewise.
7638 (df_compact_blocks): Likewise.
7639 (df_dump): Likewise.
7640 * df-scan.c (df_rescan_blocks): Likewise.
7641 (df_record_entry_block_defs): Likewise.
7643 * genconditions.c (write_conditions): Guard the definition of
7644 'insn_conditions' with the check on GCC version.
7645 (write_writer): Guard the traversal 'insn_conditions' with
7646 the check on GCC version.
7648 2006-02-07 Richard Guenther <rguenther@suse.de>
7652 2006-01-30 Richard Guenther <rguenther@suse.de>
7654 * gimplify.c (gimplify_target_expr): Handle easy cases
7655 without creating a temporary.
7657 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7659 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7660 use of float in probability computations. Use edge probabilities
7661 in place of statically computed probabilities.
7662 (min_spec_prob): New static variable.
7663 (schedule_insns): Initialize it.
7664 (GET_SRC_PROB): Removed.
7665 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7667 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7670 * config/ia64/unwind-ia64.c: Revert last change.
7671 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7672 (INCOMING_FRAME_SP_OFFSET): Define.
7674 2006-02-06 Roger Sayle <roger@eyesopen.com>
7676 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7678 2006-02-07 Ben Elliston <bje@au.ibm.com>
7680 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7681 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7682 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7683 (ix86_return_in_memory): Handle TDmode.
7684 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7685 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7687 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7689 * reorg.c (dbr_schedule): Use dump_file instead of file.
7691 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7694 * config/ia64/predicates.md (extr_len_operand): New predicate.
7695 * config/ia64/ia64.md (extv): Tighten constraints.
7697 (*tbit_and_2): Ditto.
7698 (*tbit_and_3): Ditto.
7699 (*tbit_or_2): Ditto.
7700 (*tbit_or_3): Ditto.
7704 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7707 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7709 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7711 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7712 loop_optimizer_init and loop_optimizer_finalize
7713 * tree-ssa-sink.c (execute_sink_code): Ditto.
7714 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7715 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7716 tree_ssa_loop_done): Ditto.
7717 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7718 * sched-ebb.c: Include output.h.
7719 (schedule_ebbs): Do not use dump argument.
7720 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7721 * loop.c (loop_dump_stream): Removed.
7722 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7724 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7725 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7726 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7727 loop_iterations, strength_reduce, record_biv, record_giv,
7728 final_giv_value, check_final_value, check_ext_dependent_givs,
7729 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7730 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7731 dump_file instead of loop_dump_stream.
7732 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7734 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7736 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7737 * haifa-sched.c: Include output.h
7738 (schedule_insns, sched_init): Do not use dump argument.
7739 * mode-switching.c (optimize_mode_switching): Ditto.
7740 * modulo-sched.c (stats_file): Removed.
7741 (print_node_sched_params): Do not call argument dump_file.
7742 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7743 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7745 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7747 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7748 rtl_loop_init, rtl_loop_done): Ditto.
7749 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7750 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7752 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7753 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7754 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7755 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7756 * emit-rtl.c (renumber_insns): Ditto.
7757 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7758 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7759 * regclass.c (regclass): Ditto.
7760 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7761 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7762 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7763 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7765 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7766 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7768 * gcse.c (gcse_file, debug_stderr): Removed.
7769 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7770 rest_of_handle_gcse): Do not use dump argument.
7771 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7772 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7773 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7774 compute_code_hoist_vbeinout, compute_code_hoist_data,
7775 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7776 compute_store_table, build_store_vectors, insert_insn_start_bb,
7777 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7778 store_motion): Use dump_file instead of gcse_file.
7779 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7780 * profile.c (profile_dump_file): Removed.
7781 (branch_prob): Use dump_file instead of profile_dump_file.
7782 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7784 * tree-ssa-copy.c (dump_copy_of): Ditto.
7785 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7786 dump file to life_analysis.
7787 * bt-load.c (branch_target_load_optimize): Ditto.
7788 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7790 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7791 regclass, dbr_schedule): Declaration changed.
7792 * sched-int.h (sched_init): Declaration changed.
7793 * tree-profile.c (tree_profile_dump_file): Removed.
7794 (tree_profile_hooks): Removed profile_dump_file hook.
7795 * rtl-profile (rtl_profile_dump_file): Removed.
7796 (rtl_profile_hooks): emoved profile_dump_file hook.
7797 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7799 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7800 * tree-cfg.c (build_tree_cfg): Ditto.
7801 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7802 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7803 Declaration changed.
7804 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7805 life_analysis and schedule_insns.
7806 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7808 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7810 * config/mips/mips.c (mips_reorg): Ditto.
7811 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7814 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7816 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7817 (s390_mangle_fundamental_type): New.
7818 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7821 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7822 (alpha_mangle_fundamental_type): New.
7823 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7826 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7828 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7830 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7831 (sparc_mangle_fundamental_type): New.
7833 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7835 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7836 (s390x-*-linux*): Likewise.
7837 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7838 * config/s390/t-linux: New file.
7840 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7842 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7843 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7845 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7847 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7848 (ANTIC_SAFE_LOADS): New macro.
7849 (find_or_generate_expression): Add prototype.
7850 (set_contains_value): Allow null set for sake of not always having
7851 to allocate ANTIC_SAFE_LOADS.
7852 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7853 Allow COMPONENT_REF too.
7854 (valid_in_set): Allow COMPONENT_REF.
7855 Check ANTIC_SAFE_LOADS too.
7856 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7857 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7859 (can_PRE_operation): Add COMPONENT_REF.
7860 (create_component_ref_by_pieces): New function.
7861 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7862 (insert_aux): Move AGGREGATE_TYPE_P check here.
7863 (compute_avail): Set bb local stmt uids.
7864 (pass_pre): Use TODO_update_ssa_only_virtuals.
7866 2006-02-06 Ben Elliston <bje@au.ibm.com>
7868 * configure.ac: Unconditionally disable decimal float by default.
7869 * configure: Regenerate.
7871 2006-02-06 Ben Elliston <bje@au.ibm.com>
7873 * read-rtl.c (read_name): Terminate reading on EOF.
7875 2006-02-06 Ben Elliston <bje@au.ibm.com>
7877 * dfp.c (decimal_real_arithmetic): Change second argument type
7878 from int to enum tree_code. Do not always return true, but now
7879 return result of any call to decimal_do helper functions.
7880 * dfp.h (decimal_real_arithmetic): Update prototype.
7882 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7884 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7886 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7889 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7892 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7894 * tree-vrp.c (cfg_loops): Removed.
7895 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7896 Use current_loops instead of cfg_loops. Pass flags to
7897 loop_optimizer_init.
7898 * cfgloopmanip.c (fix_loop_structure): Update only available
7900 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7901 loop_optimizer_init.
7902 * modulo-sched.c (build_loops_structure): Removed.
7903 (sms_schedule): Use loop_optimizer_init.
7904 * loop-init.c (loop_optimizer_init): Use flags to determine
7905 which properties of loops to prepare.
7906 (rtl_loop_init): Pass flags to loop_optimizer_init.
7907 * tree-ssa-sink.c (execute_sink_code): Ditto.
7908 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7909 * tree-ssa-pre.c (init_pre): Ditto.
7910 * cfgloop.h (LOOPS_NORMAL): New.
7911 (loop_optimizer_init): Declaration changed.
7913 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7915 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7916 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7918 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7920 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7922 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7923 * pa/t-pa64: Delete quadlib.c rule.
7924 * pa/x-ada: Revert last change.
7925 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7927 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7929 PR rtl-optimization/26087
7930 * rtlanal.c (canonicalize_condition): Do not cross basic block
7933 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7936 * config/ia64/ia64.c: Include debug.h.
7937 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7938 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7939 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7940 (process_epilogue, process_set, process_for_unwind_directive):
7941 Output unwind info only if requested. Add CFA info if requested.
7942 Add new arguments as needed. Adjust callers.
7943 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7945 (DWARF2_FRAME_INFO): Define to zero.
7946 * config/ia64/unwind-ia64.c: Remove code that compensated for
7947 the CFA offset error fixed above.
7948 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7949 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7950 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7951 -funwind-tables and -fexceptions to enable frame info.
7952 (dwarf2out_frame_init): Define initial CFA even if
7953 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7954 DWARF2_UNWIND_INFO is nonzero, not just defined.
7955 (dwarf2out_frame_finish): Output non-EH call frame info only
7956 if DWARF2_FRAME_INFO is nonzero.
7957 (convert_cfa_to_loc_list,
7958 compute_frame_pointer_to_cfa_displacement): Define even if
7959 unwind info is not supported.
7960 (gen_subprogram_die): Use the above unconditionally. Remove
7961 legacy alternate code.
7962 * toplev.c (compile_file): Compile in call to
7963 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7964 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7966 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7967 Jakub Jelinek <jakub@redhat.com>
7969 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7970 IBM extended float format long double as "g" on powerpc*-linux.
7972 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7975 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7976 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7978 2006-02-03 Jason Merrill <jason@redhat.com>
7981 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7984 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7985 on the return slot if it's an NRV.
7987 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7989 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7990 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7991 rewrite_use): Do not handle USE_OUTER.
7992 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7993 add_iv_outer_candidates, may_replace_final_value,
7994 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7995 (find_interesting_uses_op): Functionality of
7996 find_interesting_uses_outer_or_nonlin moved here.
7997 (find_interesting_uses_outside): Use find_interesting_uses_op.
7999 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8002 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8004 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8005 Ulrich Weigand <uweigand@de.ibm.com>
8008 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8009 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8010 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8011 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8013 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8014 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8015 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8016 Define secondary reloads for TFmode moves.
8017 (constant_modes): Add TFmode.
8018 (NR_C_MODES): Set to 8.
8019 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8021 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8022 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8023 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8024 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8025 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8026 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8027 (FPR mode macro): Add TFmode.
8028 (DSF mode macro): New.
8029 (<de>, <dee> mode attributes): Removed.
8030 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8031 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8032 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8033 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8034 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8035 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8036 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8037 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8038 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8039 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8040 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8041 "*negabs<mode>2", "sqrt<mode>2"):
8042 Changed <de> to <xde>. R constraint replaced by <Rf>.
8043 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8045 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8046 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8047 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8049 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8050 "extenddftf2", "extendsftf2"): New expanders.
8051 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8052 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8053 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8054 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8056 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8057 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8058 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8059 __floatditf): Add a GCC_4.1.0 symbol version tag.
8060 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8063 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8066 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8067 Use targetm.binds_local_p instead of TREE_PUBLIC.
8069 2006-02-02 Roger Sayle <roger@eyesopen.com>
8071 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8072 on INTEGER_TYPEs to indicate that it denotes a character type.
8073 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8074 signed_char_type_node, unsigned_char_type_node and char_type_node.
8075 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8076 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8077 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8079 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8080 Daniel Berlin <dberlin@dberlin.org>
8082 * tree-tailcall.c (arg_needs_copy_p): New function.
8083 (eliminate_tail_call): Use arg_needs_copy_p.
8084 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8085 (add_virtual_phis): New function.
8087 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8089 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8090 #ignore instead of #scratch for %g7 .register directive.
8092 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8094 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8097 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8099 * flow.c (calculate_global_regs_live): Assert that there aren't any
8102 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8104 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8106 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8107 bsi_after_labels iterator.
8108 * tree-if-conv.c (find_phi_replacement_condition,
8109 replace_phi_with_cond_modify_expr): Likewise.
8110 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8111 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8113 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8115 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8117 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8120 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8121 array after growing it.
8123 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8126 * fold-const.c (fold_checksum_tree): Change type of buf.
8128 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8130 * reload.c (push_secondary_reload): Initialize t_icode.
8132 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8134 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8135 -msoft-float -mlong-double-128 only issue a warning, but don't
8136 swich to DFmode long double.
8138 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8140 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8141 has a constant equivalent, iterate over equivalents for arg0,
8142 calling simplify_relational_operation and if there's a result
8143 cheaper than X, apply fold_rtx and return the result.
8145 2006-02-01 Jan Hubicka <jh@suse.cz>
8147 * opts.c (no_unit_at_a_time_default): New global variable.
8148 (decode_options): Use it.
8149 * opts.h (no_unit_at_a_time_default): Declare.
8151 2006-02-01 Paul Brook <paul@codesourcery.com>
8153 * function.c (assign_parm_setup_reg): Use function argument promotion
8155 * expr.c (expand_expr_real_1): Use function argument promotion rules
8158 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8160 * gcc.c (process_command): Change j to 'unsigned int'.
8162 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8165 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8166 Use the corrected index for the character
8167 out of the string constant.
8169 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8171 * mode-switching.c (optimize_mode_switching): Fix size
8172 allocated for bb_info[n_entities].
8174 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8176 * gcc.c (main): Correct type that is allocated for
8177 explicit_link_files.
8179 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8181 * config/s390/s390.c (init_alignment_context): Set
8182 ALIAS_SET_MEMORY_BARRIER on the MEM.
8183 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8185 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8188 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8190 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8193 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8195 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8196 * regrename.c: Ditto.
8197 * tree-ssa-loop-im.c: Ditto.
8198 * tree-dump.c: Ditto.
8199 * tree-complex.c: Ditto.
8200 * genrecog.c: Ditto.
8201 * tree-ssa-threadupdate.c: Ditto.
8203 * java/class.c: Ditto.
8204 * java/jcf-parse.c: Ditto.
8205 * java/resource.c: Ditto.
8206 * java/except.c: Ditto.
8207 * java/jvspec.c: Ditto.
8208 * java/jcf-write.c: Ditto.
8209 * java/jcf-path.c: Ditto.
8210 * java/gjavah.c: Ditto.
8211 * java/zextract.c: Ditto.
8212 * java/jcf-io.c: Ditto.
8213 * java/jcf.h: Ditto.
8214 * java/buffer.c: Ditto.
8215 * java/lang.c: Ditto.
8216 * java/parse-scan.y: Ditto.
8217 * java/lex.c: Ditto.
8218 * java/lex.h: Ditto.
8219 * cfgloopmanip.c: Ditto.
8220 * postreload-gcse.c: Ditto.
8221 * tree-ssa-loop-manip.c: Ditto.
8222 * postreload.c: Ditto.
8223 * tree-ssa-loop-ch.c: Ditto.
8227 * diagnostic.c: Ditto.
8229 * genoutput.c: Ditto.
8231 * cfghooks.c: Ditto.
8232 * cfgloopanal.c: Ditto.
8233 * objc/objc-act.c: Ditto.
8235 * genextract.c: Ditto.
8236 * genautomata.c: Ditto.
8237 * pretty-print.c: Ditto.
8239 * cgraphunit.c: Ditto.
8242 * haifa-sched.c: Ditto.
8243 * dominance.c: Ditto.
8245 * tree-ssa-loop-ivopts.c: Ditto.
8247 * mode-switching.c: Ditto.
8248 * modulo-sched.c: Ditto.
8250 * ipa-pure-const.c: Ditto.
8252 * fix-header.c: Ditto.
8254 * tree-stdarg.c: Ditto.
8255 * ipa-utils.c: Ditto.
8256 * loop-init.c: Ditto.
8257 * ipa-inline.c: Ditto.
8260 * alloc-pool.c: Ditto.
8261 * dwarf2out.c: Ditto.
8263 * genattrtab.c: Ditto.
8264 * tree-ssa-loop-ivcanon.c: Ditto.
8268 * fortran/gfortranspec.c: Ditto.
8270 * local-alloc.c: Ditto.
8271 * langhooks.c: Ditto.
8272 * function.c: Ditto.
8273 * tree-vectorizer.c: Ditto.
8275 * ipa-type-escape.c: Ditto.
8277 * tree-if-conv.c: Ditto.
8280 * tree-data-ref.c: Ditto.
8281 * loop-unroll.c: Ditto.
8282 * treelang/treetree.c: Ditto.
8285 * ggc-common.c: Ditto.
8287 * coverage.c: Ditto.
8289 * tree-cfgcleanup.c: Ditto.
8290 * tree-ssa-pre.c: Ditto.
8291 * cfgcleanup.c: Ditto.
8292 * loop-invariant.c: Ditto.
8294 * ipa-prop.c: Ditto.
8295 * print-tree.c: Ditto.
8296 * conflict.c: Ditto.
8297 * ggc-page.c: Ditto.
8298 * sched-deps.c: Ditto.
8299 * regclass.c: Ditto.
8300 * tree-object-size.c: Ditto.
8302 * bb-reorder.c: Ditto.
8303 * resource.c: Ditto.
8304 * var-tracking.c: Ditto.
8306 * df-problems.c: Ditto.
8307 * reg-stack.c: Ditto.
8310 * sched-rgn.c: Ditto.
8311 * tree-ssa-structalias.c: Ditto.
8312 * tree-ssa-reassoc.c: Ditto.
8313 * config/darwin-c.c: Ditto.
8314 * config/darwin.c: Ditto.
8315 * config/arm/arm.c: Ditto.
8317 * collect2.c: Ditto.
8320 2006-01-31 Nicolas Pitre <nico@cam.org>
8322 * arm.md (smaxsi3): Make aware of smax_m1.
8325 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8327 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8329 2006-01-31 Richard Guenther <rguenther@suse.de>
8331 * doc/invoke.texi (-msselibm): Document.
8332 * target.h (expand_library_builtin): New target hook.
8333 * builtins.c (expand_builtin): Use expand_library_builtin.
8334 (default_expand_library_builtin): New function.
8335 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8336 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8337 (link_gcc_math_spec): Declare.
8338 (static_specs): Add link_gcc_math_spec.
8339 * expr.h (default_expand_library_builtin): Declare.
8340 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8341 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8342 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8343 * config/i386/i386.opt (msselibm): New target option.
8344 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8345 (ix86_init_sse_abi_builtins): New function.
8346 (ix86_expand_library_builtin): Likewise.
8347 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8348 (override_options): Handle error conditions wrt -msselibm.
8349 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8350 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8351 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8354 2006-01-31 Richard Guenther <rguenther@suse.de>
8355 Paolo Bonzini <bonzini@gnu.org>
8357 * doc/install.texi (--disable-libgcc-math): Document.
8359 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8361 * expr.h (expand_normal): new inline function.
8362 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8364 * dwarf2out.c: use it.
8369 * config/sparc/sparc.c: use it.
8370 * config/i386/i386.c: use it.
8371 * config/rs6000/rs6000.c: use it.
8372 * config/arm/arm.c: use it.
8373 * config/mips/mips.c: use it.
8374 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8376 2006-01-30 Roger Sayle <roger@eyesopen.com>
8378 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8379 argv to the appropriate type.
8381 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8383 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8386 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8389 * config/s390/s390.c (struct machine_function): New flag
8390 decomposed_literal_pool_addresses_ok_p.
8391 (s390_reorg): Set it before final stage of literal pool transforms.
8392 (s390_decompose_address): Only accept displacements of the form
8393 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8395 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8397 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8398 the comparison routine return.
8400 2006-01-30 Michael Matz <matz@suse.de>
8402 * global.c (find_reg): Only evict for global regs.
8403 Take n_refs into account and dump more info.
8405 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8408 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8409 (pragma_trap, pragma_nosave_low_regs): Likewise.
8410 (current_function_anonymous_args): Likewise.
8411 (sh_deferred_function_attributes): New variable.
8412 (sh_deferred_function_attributes_tail): Likewise.
8413 (print_operand): For '@', look up trap_exit attribute.
8414 (calc_live_regs): Look up trapa_handler attribute. For trapa
8415 handlers, save/restore fpscr, but don't do any other
8416 interrupt-specific saves.
8417 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8418 Fix check for partially saved registers to check for SHmedia.
8419 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8420 (sh_output_function_epilogue): Don't clear any of the removed
8422 (sh_insert_attributes): Don't check pragma_interrupt.
8423 Insert deferred attributes. Check that interrupt attribute is
8424 present for other attributes that require its presence.
8425 (sh_attribute_table): Add new attributes trapa_handler and
8427 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8428 Don't check for pragma_interrupt. Don't store argument.
8429 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8430 (sh_deferred_function_attributes): Declare.
8431 (sh_deferred_function_attributes_tail): Likewise.
8432 * sh.md (sp_switch_1): Add operand. Change generator caller.
8433 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8434 (*return_i): Don't use when trap_exit attribute is in effect.
8435 (*return_trapa): New insn pattern.
8437 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8438 setting c_target_objs and cxx_target_objs.
8439 * t-sh: Add rule for sh-c.o.
8441 2006-01-30 Richard Guenther <rguenther@suse.de>
8444 * gimplify.c (gimplify_target_expr): Handle easy cases
8445 without creating a temporary.
8447 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8449 * vec.h (safe_grow): Remove duplicated line.
8451 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8454 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8455 (expand_omp): ... here.
8456 (expand_omp_parallel): Only remove barriers for combined
8457 parallel+workshare constructs.
8459 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8463 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8464 * tree.c (build_qualified_type): Chain the new type to the original
8465 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8466 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8467 (build_pointer_type_for_mode): Only return unqualified types.
8468 (build_reference_type_for_mode): Likewise.
8470 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8472 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8473 * Makefile.in (CXX_COMPAT_WARN): Define.
8474 * configure: Regenerate.
8476 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8479 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8482 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8484 * toplev.c: Fix thinko.
8486 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8487 Marcin Dalecki <martin@dalecki.de>
8489 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8490 (push_srcloc): Use XNEW.
8491 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8493 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8495 * df-core.c (df_set_blocks): Deleted all variable.
8497 2006-01-28 Ian Lance Taylor <ian@airs.com>
8499 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8500 cgraph_output_pending_asms.
8502 2006-01-28 Zack Weinberg <zackw@panix.com>
8504 * c.opt: Add -W(no-)overlength-strings.
8505 * doc/invoke.texi: Document it.
8506 * c-opts.c (c_common_handle_option): -pedantic implies
8507 -Woverlength-strings, if not explicitly disabled already.
8508 (c_common_post_options): -Woverlength-strings defaults to off, and
8509 is always off for C++.
8510 * c-common.c (fix_string_type): Issue warning about strings longer
8511 than is portable only if warn_overlength_strings. Rearrange code
8512 a little for clarity.
8513 * configure.in: Check for -Wno-overlength-strings as well before
8514 enabling -pedantic in stage 1.
8515 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8516 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8518 * genconditions.c (write_header, write_one_condition)
8519 (write_conditions, write_writer): Consolidate very long strings
8520 that were broken up to fit in C89 portable limit. Don't use
8521 printf when fputs will do.
8523 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8525 * combine.c (simplify_comparison <AND>): Check
8526 TRULY_NOOP_TRUNCATION before start using a subreg.
8528 * config/mips/mips.md (*branch_zero<mode>,
8529 *branch_zero<mode>_inverted, *branch_equality<mode>,
8530 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8531 Remove mode check from comparisons.
8533 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8535 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8537 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8539 * expmed.c (const_mult_add_overflow_p): Remove.
8540 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8542 * recog.c (validate_replace_rtx_subexp): Remove.
8543 * recog.h: Remove the prototype for
8544 validate_replace_rtx_subexp.
8546 * integrate.h: Remove the prototype for
8547 copy_decl_for_inlining.
8548 * rtl.h: Remove the prototype for mark_constant_function.
8549 * tree-vectorizer.h: Remove the prototype for
8550 vect_strip_conversion.
8552 * modulo-sched.c (create_partial_schedule,
8553 free_partial_schedule, reset_partial_schedule): Make them
8556 * hooks.c (hook_bool_rtx_int_false): Remove.
8557 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8559 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8561 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8562 and -mlong-double-128 are incompatible.
8563 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8564 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8565 (TARGET_LIBGCC2_CFLAGS): Define.
8566 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8567 (TARGET_LIBGCC2_CFLAGS): Same.
8568 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8570 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8573 * c-typeck.c (build_binary_op): Perform implicit casts of
8574 operands before shortening them.
8576 * cfgloopmanip.c (split_loop_bb): Remove.
8577 * cfgloop.h: Remove the prototype for split_loop_bb.
8579 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8580 * cfgloop.h: Remove the prototype for
8581 flow_loop_outside_edge_p.
8583 * emit-rtl.c (init_virtual_regs): Make it static.
8584 * function.h: Remove the prototype for init_virtual_regs.
8586 * recog.c (peephole2_optimize): Make it static.
8587 * recog.h: Remove the prototype for peephole2_optimize.
8589 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8591 * df-scan.c (df_record_entry_block_defs): Check if
8592 INCOMING_RETURN_ADDR_RTX is defined.
8594 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8595 Kenneth Zadeck <zadeck@naturalbridge.com>
8597 PR rtl-optimization/24762
8598 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8599 * targhooks.c (hook_void_bitmap): New hook prototype.
8600 * targhoohs.h (hook_void_bitmap): Ditto.
8601 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8602 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8603 * target.h (live_on_entry): New function pointer.
8604 * df-scan.c (df_all_hard_regs): Removed.
8605 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8606 (df_scan_free_internal): Added df->entry_block_defs.
8607 (df_scan_alloc): Ditto.
8608 (df_scan_dump): Ditto.
8609 (df_uses_record): Plumbed flag field properly thru calls.
8610 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8611 This part fixes PR24762.
8612 (df_bb_refs_record): Added code to make the frame and arg
8613 pointers live in EH blocks.
8614 (df_refs_record): Added call to df_record_entry_block_defs.
8615 (df_record_entry_block_defs): New function.
8616 * df-core.c: Added comments to describe new artifical defs.
8617 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8618 (entry_block_defs): New field in struct df.
8619 (df_all_hard_regs): Deleted.
8620 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8621 * df-problems.c (df_ru_bb_local_compute_process_def):
8622 Added code to handle artifical defs in the entry to a function.
8623 (df_ru_bb_local_compute): Ditto.
8624 (df_rd_bb_local_compute_process_def): Ditto.
8625 (df_rd_bb_local_compute): Ditto.
8626 (df_lr_bb_local_compute): Ditto.
8627 (df_ur_bb_local_compute): Ditto.
8628 (df_urec_bb_local_compute): Ditto.
8629 (df_chain_create_bb): Ditto.
8630 (df_ur_local_finalize): Removed entry.
8631 (df_urec_init): Ditto.
8632 (df_urec_local_finalize): Ditto.
8633 (df_ri_bb_compute): Added detection of last use of pseudos.
8634 * Makefile.in (df-scan.o): Updated dependencies.
8635 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8636 * config/mips/mips.c (mips_set_live_on_entry): Added.
8637 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8639 * dce.c (marked_insn_p): Added code to handle artifical defs.
8641 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8643 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8645 (_mm_cvtsi128_si64): Likewise.
8646 (_mm_cvtsd_si64): Likewise.
8647 (_mm_cvttsd_si64): Likewise.
8648 (_mm_cvtsi64_sd): Likewise.
8649 (_mm_cvtsi64_si128): Likewise.
8650 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8651 (_mm_cvtsi64_m64): Likewise.
8652 (_m_to_int64): Likewise.
8653 (_mm_cvtm64_si64): Likewise.
8654 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8655 (_mm_cvttss_si64): Likewise.
8656 (_mm_cvtsi64_ss): Likewise.
8657 (_mm_cvtss_f32): Likewise.
8659 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8661 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8662 for pragma redefine_extname.
8664 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8667 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8668 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8669 -mno-minimal-toc to previous content.
8670 (bispecs): Remove goal.
8671 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8672 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8673 compatibility aliases on powerpc-*-*gnu*.
8674 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8675 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8676 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8677 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8678 (ldblspecs): New goal.
8679 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8680 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8682 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8683 L_sf_to_tf or L_df_to_tf is defined.
8685 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8686 Alan Modra <amodra@bigpond.net.au>
8689 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8690 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8691 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8692 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8693 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8694 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8695 (rs6000_override_options): Initialize rs6000_ieeequad.
8696 Initialize TFmode format to ibm_extended_format if not
8698 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8700 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8701 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8702 (function_arg_advance): IBM long double passed in two FPRs, not
8704 (function_arg): IBM long double passed in FPRs.
8705 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8706 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8707 Only multireg GPR aligned.
8708 (rs6000_init_libfuncs): Enable IBM long double functions if not
8710 (rs6000_generate_compare): Use IBM long double compare if not
8712 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8713 (TARGET_IEEEQUAD): Define.
8714 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8715 not TARGET_IEEEQUAD.
8716 * config/rs6000/rs6000.md: Enable TFmode patterns if
8718 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8719 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8720 and -mlong-double-128 are incompatible.
8721 * doc/invoke.texi (-mabi): Collect options together. Add
8722 ibmlongdouble and ieeelongdouble.
8724 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8726 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8728 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8729 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8730 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8731 * rtl.h (rtunion_def): Remove rt_ptr.
8733 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8734 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8735 * config/i386/winnt.c (i386_pe_mark_dllexport)
8736 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8738 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8740 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8742 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8746 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8747 pthread_key_delete. From John David Anglin. gthrw-ify
8748 pthread_getunique_np only if it it's not a macro. Delete
8750 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8751 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8752 __gthread_objc_condition_signal, __gthread_key_delete): Add
8753 "__attribute__ ((__unused__))" to unused arguments.
8754 (__gthread_recursive_mutex_init_function): Add missing return.
8755 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8756 gthr-posix95.h: Use macro-based approach for name redirection
8757 on targets missing weakref.
8759 2006-01-26 Zack Weinberg <zackw@panix.com>
8761 * genconditions.c (write_header): In generated code, #ifdef out
8762 all includes and fake declarations, except includes of bconfig.h
8763 and system.h, unless GCC_VERSION >= 3001. Do not include
8764 gensupport.h in any case.
8765 (write_conditions): Generate a definition of struct c_test. Add
8766 a comment to the generated #endif.
8767 (write_one_condition): Escape backslashes in string too.
8768 (write_writer): Generated code must escape backslashes and quote
8769 marks (but not newlines) in the strings it writes.
8770 * Makefile.in (build/gencondmd.o): Update dependencies.
8772 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8775 * Makefile.in (insn-automata.o): Add header file dependencies.
8776 * genautomata.c: Add includes.
8778 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8781 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8783 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8785 * configure.ac: Expect target tools paths to be passed from the toplevel
8786 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8788 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8790 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8793 * c.opt (Wpointer-sign): Init to -1.
8794 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8795 OPT_pedantic, to 0 otherwise.
8796 * doc/invoke.texi: Update.
8798 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8800 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8801 constants provided by 80387 instructions in the destination mode.
8803 2006-01-26 Richard Guenther <rguenther@suse.de>
8804 Andrew Pinski <pinskia@physics.uc.edu>
8807 partial PR tree-opt/17064
8808 * tree-ssa-structalias.c (intra_create_variable_infos):
8809 Create heap variables for incoming parameters if
8810 flag_argument_noalias > 1.
8811 (find_what_p_points_to): Look through default defs of
8814 2006-01-26 Jeff Law <law@redhat.com>
8817 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8818 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8819 within the VR_RANGE, use the VR_RANGE as the result, not the
8821 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8822 bounds for the type.
8824 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8826 * tree-ssa-alias.c (maybe_create_global_var): Change
8827 subvar walking to an assertion that we don't have subvar'd variables.
8829 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8832 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8833 Use a new variable, inner. PARM_DECLs are always non-weak.
8835 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8837 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8840 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8842 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8844 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8846 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8847 (smax_insn, smin_insn, smax_0, smin_0): New.
8849 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8852 * config/cris/cris.c (cris_order_for_addsi3): New function.
8853 * config/cris/cris-protos.h: Prototype it.
8854 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8855 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8856 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8857 (split for "op.S1 [rx=rx+i],ry (swapped)")
8858 (split for "op(s|u).S1 [rx=rx+i],ry")
8859 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8860 Apply cris_order_for_addsi3 when generating addsi3 insns.
8862 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8864 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8865 (TREE_BLOCK): Add call to EXPR_CHECK.
8867 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8870 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8871 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8872 (dump_omp_clauses): ... here.
8873 (dump_generic_node): Handle OMP_CLAUSE.
8874 * tree.c (omp_clause_num_ops): New.
8875 (omp_clause_code_name): New.
8876 (tree_code_size): Handle OMP_CLAUSE.
8877 (tree_size): Likewise.
8878 (make_node): Document handling of OMP_CLAUSE.
8879 (tree_node_structure): Handle OMP_CLAUSE.
8880 (omp_clause_check_failed): New.
8881 (omp_clause_range_check_failed): New.
8882 (omp_clause_operand_check_failed): New.
8883 (build_omp_clause): New.
8884 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8885 * tree.h (enum omp_clause_code): Declare.
8886 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8887 (OMP_CLAUSE_RANGE_CHECK): Define.
8888 (OMP_CLAUSE_ELT_CHECK): Define.
8889 (omp_clause_check_failed): Declare.
8890 (omp_clause_operand_check_failed): Declare.
8891 (omp_clause_range_check_failed): Declare.
8892 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8893 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8894 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8895 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8896 (OMP_CLAUSE_IF_EXPR): Likewise.
8897 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8898 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8899 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8900 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8901 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8902 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8903 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8904 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8905 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8906 (OMP_CLAUSE_CODE): Define.
8907 (OMP_CLAUSE_SET_CODE): Define.
8908 (OMP_CLAUSE_CODE): Define.
8909 (OMP_CLAUSE_OPERAND): Define.
8910 (struct tree_omp_clause): Declare.
8911 (union tree_node): Add field 'omp_clause'.
8912 * treestruct.def (TS_OMP_CLAUSE): Define.
8913 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8914 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8915 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8916 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8917 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8918 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8919 (OMP_CLAUSE): Define.
8920 * print-tree.c (print_node): Handle OMP_CLAUSE.
8921 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8922 * c-typeck.c: Likewise.
8923 * gimplify.c: Likewise.
8924 * c-omp.c: Likewise.
8925 * tree-nested.c: Likewise.
8926 * tree-inline.c: Likewise.
8927 * c-parser.c: Likewise.
8928 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8931 2006-01-25 Roger Sayle <roger@eyesopen.com>
8933 PR rtl-optimization/25703
8934 * combine.c (try_combine): Handle zero_extract and strict_low_part
8935 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8937 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8939 * global.c: Fix comment typos.
8941 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8944 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8945 Use output_addr_const instead of assemble_name.
8947 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8949 * Makefile.in (sched-vis.o): Update dependencies.
8950 * haifa-sched.c (sched_finish): Clear current_sched_info.
8951 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8952 (dump_flow_info): Call it.
8953 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8955 * basic-block.h (dump_bb_info): Declare.
8956 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8957 option, and apply options only for dump files whose TDF_RTL,
8958 TDF_TREE, or TDF_IPA bits match.
8959 * rtl.h: Declare new functions exported from sched-vis.c.
8960 * sched-vis.c: Enable also if scheduling is not used.
8961 (print_value): Print the mode of registers if not inside scheduling.
8962 (print_insn): Make it work outside the scheduler. Beautify the output
8964 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8966 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8968 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8969 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8970 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8971 depending on the value of CONSTANT_POOL_ADDRESS_P.
8972 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8974 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8975 rather than SYMBOL_REF_DECL.
8976 (rtx_constant_pool): Remove const_rtx_sym_htab.
8977 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8978 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8979 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8980 Remove handling of const_rtx_sym_htab.
8981 (find_pool_constant): Delete.
8982 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8983 rather than find_pool_constant.
8984 (get_pool_constant_for_function): Delete.
8985 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8987 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8988 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8989 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8990 (SYMBOL_REF_CONSTANT): New macro.
8991 (get_pool_constant_for_function): Delete.
8992 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8993 rather than SYMBOL_REF_DECL.
8994 (i386_pe_mark_dllimport): Likewise.
8995 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8996 rather than SYMBOL_REF_DECL.
8997 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8998 (machopic_indirect_call_target): Likewise.
9000 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9002 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9004 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9006 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9008 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9010 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9012 2006-01-24 David Daney <ddaney@avtrex.com>
9015 * configure.ac (enable_tls): New enable option.
9016 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9017 * configure: Regenerate.
9018 * doc/install.texi (--enable-tls): Document new option.
9019 (--disable-tls): Ditto.
9021 2006-01-24 Richard Henderson <rth@redehat.com>
9023 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9024 * alias.c (true_dependence): Respect it.
9025 (canon_true_dependence, write_dependence_p): Likewise.
9026 * builtins.c (get_builtin_sync_mem): Set it.
9028 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9030 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9033 2006-01-24 DJ Delorie <dj@redhat.com>
9035 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9036 for storing constants in single-bit bitfields.
9038 2006-01-25 Ben Elliston <bje@au.ibm.com>
9040 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9042 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9045 * tree-ssa-pre.c (phi_translate): Return NULL
9046 for AGGREGATE_TYPE's.
9048 2006-01-24 Zack Weinberg <zackw@panix.com>
9050 * genautomata.c (process_state_for_insn_equiv_partition):
9051 Use xcalloc for insn_arcs_array.
9052 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9053 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9055 2006-01-24 Richard Henderson <rth@redhat.com>
9057 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9060 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9062 PR rtl-optimization/25890
9063 PR rtl-optimization/25905
9064 * combine.c (expand_compound_operation, expand_field_assignment):
9065 Fail if the bitfield's final position is out of bounds.
9067 2006-01-24 Ian Lance Taylor <ian@airs.com>
9070 * cgraphunit.c (cgraph_output_in_order): Don't clear
9071 cgraph_asm_nodes until after asm strings have been output.
9073 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9075 * fix-header.c (read_scan_file): Add new parameter imultilib when
9076 calling register_include_chains.
9078 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9080 * omp-low.c: Update documentation.
9082 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9083 Daniel Berlin <dberlin@dberlin.org>
9087 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9088 return from the function.
9090 2006-01-22 Zack Weinberg <zackw@panix.com>
9092 * rtl.def (match_code): Add second argument.
9093 * genpreds.c (write_extract_subexp): New function.
9094 (write_match_code): Add path argument. Use write_extract_subexp.
9095 (write_predicate_expr): Pass path to write_match_code.
9096 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9097 not perform a mode test.
9098 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9099 a subexpression does not constrain the top-level code set.
9100 * read-rtl.c (read_rtx_variadic): New function.
9101 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9102 * doc/md.texi: Document new notation.
9103 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9104 (cmpsi_operand): ... here, using new notation.
9106 2006-01-22 Zack Weinberg <zackw@panix.com>
9108 * varray.c: Remove GENERATOR_FILE #ifdefs.
9110 2006-01-22 Zack Weinberg <zackw@panix.com>
9112 * genautomata.c (output_reserved_units_table): Emit nothing if
9113 description->query_units_num is zero. Remove extra blank line.
9114 (output_cpu_unit_reservation_p): Short circuit
9115 if description->query_units_num is zero.
9117 2006-01-22 Zack Weinberg <zackw@panix.com>
9119 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9120 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9121 nor any of the random handful of variables that used to be necessary
9122 when this program was linked with rtlanal.o. Prune set of forward
9123 function declarations.
9124 (struct attr_desc): Remove static_p field.
9125 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9126 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9127 (attr_string): Do not read the character one past the length of
9129 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9130 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9131 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9132 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9133 (make_automaton_attrs): New.
9134 (main): Do not call into genautomata. Call local gen_bypass
9135 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9136 Remove special case for insn_alts.
9137 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9138 varray.h (leftover from previous change). Prune set of forward
9139 function declarations. Remove state_alts fields from all
9140 structures. Remove state_alts_table from struct automaton.
9141 Make everything except main static. Do not maintain num_dfa_decls.
9142 Do not maintain state_alts fields of various structures.
9143 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9144 (add_arc): Remove state_alts argument. All callers updated.
9145 (output_reserved_units_table): Emit #ifdef here...
9146 (output_tables): ...not here. Don't generate state_alts tables.
9147 (expand_automata): Don't generate attributes.
9148 (write_automata): Don't generate state_alts functions.
9149 (main): New function.
9150 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9151 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9152 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9153 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9154 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9155 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9156 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9157 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9159 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9160 * genattrtab.h: Delete file.
9161 * Makefile.in (OBJS-common): Add insn-automata.o.
9162 (insn-automata.o): New rule.
9163 (simple_generated_c): Add insn-automata.c.
9164 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9165 (genprogmd): Add automata.
9166 (build/genattrtab): Needs no extra objects nor libraries.
9167 (build/genautomata): Needs build/vec.o and -lm.
9169 2006-01-22 Zack Weinberg <zackw@panix.com>
9171 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9172 (output_dfa_max_issue_rate, locked_states_num): Delete.
9173 (struct automaton): Add locked_states field.
9174 (output_dead_lock_vect): Save number of locked states in
9175 automaton->locked_states. If it is zero, don't print anything.
9176 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9177 (output_internal_dead_lock_func): Only test the dead_lock_vect
9178 for automata that have locked states.
9179 (output_statistics): Always print the number of locked states for
9180 each automaton. Calculate total number of locked states here.
9181 (write_automata): Don't call output_dfa_max_issue_rate.
9182 * genattrtab.c: Define length_unit_log as a const variable.
9183 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9184 max_insn_queue_index const.
9185 * final.c (length_unit_log): Declare const.
9186 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9188 2006-01-22 Zack Weinberg <zackw@panix.com>
9190 * genautomata.c: Include vec.h, not varray.h.
9191 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9192 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9193 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9194 VEC_* macros operating on appropriately typed vectors, or to
9195 malloced arrays when the size is known in advance. Const-ify
9196 many char* variables and function arguments. No functional changes.
9197 * Makefile.in (build/varray.o): Delete rule.
9198 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9199 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9201 2006-01-22 Zack Weinberg <zackw@panix.com>
9203 * gensupport.c: Define get_insn_name and record_insn_name here.
9204 (read_md_rtx): Call record_insn_name as appropriate.
9205 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9206 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9207 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9209 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9210 (BUILD_VARRAY): Delete.
9211 (genprognormal): Rename genprogmd. Fold in all programs from
9212 genprognoprint; also attrtab.
9213 (build/genattrtab): Just mention genautomata.o and varray.o.
9214 Reorganize a bit, add comments to make the categories clearer.
9216 2006-01-22 Zack Weinberg <zackw@panix.com>
9218 * genconditions.c (condition_table, add_condition): Delete.
9219 (write_conditions): Don't emit n_insn_conditions nor
9220 insn_elision_unavailable. Issue the gcc version #ifdef here,
9221 inside the table, with no #else clause ...
9222 (write_header): ...not here.
9223 (write_writer): New function.
9224 (main): Don't initialize condition_table. Use add_c_test.
9226 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9227 files on the command line.
9228 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9229 Return -1 if there is no entry in the table, don't abort.
9230 (add_c_test, traverse_c_tests): New functions.
9231 * gensupport.h (insn_elision_unavailable, insn_conditions)
9232 (n_insn_conditions): Delete declarations.
9233 (add_c_test, traverse_c_tests): Declare.
9234 * read-rtl.c: Include gensupport.h.
9235 (read_conditions): New function.
9236 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9237 (read_rtx_1): If we get EOF when we were looking for an initial
9238 open paren, return 0. Call read_conditions when appropriate.
9239 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9240 dummy-conditions.o. Eliminate references to insn-conditions.o,
9241 or change them to build/gencondmd.o, as appropriate. Remove
9242 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9243 from $(simple_generated_c). For all files remaining in those
9244 two lists, add insn-conditions.md to the generator command line.
9245 Give insn-constants.h/s-constants their own rules. Add rules
9246 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9247 (build/read-rtl.o): Depend on gensupport.h.
9248 (genprognormal): Include preds.
9249 (genprogearly): Rename genprognoprint; only difference is now that
9250 they don't link with $(BUILD_PRINT).
9251 * dummy-conditions.c: Delete.
9253 2006-01-22 Zack Weinberg <zackw@panix.com>
9255 * genextract.c: Don't include insn-config.h. Do include vec.h.
9256 Declare vectors of int, char, and locstr.
9257 (locstr): New typedef.
9258 (struct extraction): Make all array fields into bare pointers.
9259 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9260 (insn_code_number): Delete.
9261 (accum_extract): New struct.
9262 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9263 (gen_insn): Take insn_code_number as an argument. Use an
9264 accum_extract structure instead of loading data directly into
9265 a struct extraction, and having to know how big it might get.
9266 (walk_rtx): Operate entirely on an accum_extract structure.
9267 (print_path): Avoid unnecessary use of printf.
9268 (print_header): New function, split out of main. Distinguish
9269 more carefully between an unrecognizable insn and an insn that
9270 has the code number of a define_expand.
9271 (main): Pass insn_code_number to gen_insn. Call print_header
9272 only after parsing. Avoid unnecessary use of printf.
9273 * Makefile.in (build/vec.o): New rule.
9274 (build/genextract): Depend on build/vec.o.
9275 (build/genextract.o): Don't depend on insn-config.h.
9277 2006-01-22 Zack Weinberg <zackw@panix.com>
9279 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9280 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9281 practical. Eliminate per-generator-program link rules.
9283 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9286 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9287 with a call expr to ...
9288 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9290 2006-01-23 Richard Guenther <rguenther@suse.de>
9292 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9293 before make_edge with conditional EDGE_TRUE_VALUE.
9295 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9296 Jan Hubicka <jh@suse.cz>
9297 Richard Guenther <rguenther@suse.de>
9299 PR rtl-optimization/25654
9300 * cfgexpand.c (aggregate_contains_union_type): New function.
9301 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9302 for structure variables that contain a union type.
9304 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9306 * gengtype.c (new_structure): Return the structure.
9307 (create_option): Add an extra "next" argument.
9308 (create_field): New function.
9309 (adjust_field_rtx_def): Use create_option and create_field.
9310 Remove a now-unnecessary call to find_structure.
9311 (adjust_field_tree_def): Likewise.
9312 (note_yacc_type): Remove an unnecessary call to find_structure.
9313 * gengtype.h (new_structure): Return the structure.
9314 (create_option): Add an extra argument.
9315 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9316 (option): Adjust calls to create_option.
9318 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9320 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9322 2006-01-22 Paul Brook <paul@codesourcery.com>
9323 Peter Barada <peter@the-baradas.com>
9325 * config/m68k/m68k.md: Add Coldfire FPU support.
9326 Define FP mode macro and associated attributes.
9327 Use it for float mode patterns.
9328 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9329 (LIBCALL_VALUE): Use m68k_libcall_value.
9330 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9331 (m68k_function_value): Ditto.
9332 (emit_move_sequence): Ditto.
9333 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9334 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9335 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9336 (MULTILIB_EXCEPTIONS): Ditto.
9337 * config/m68k/m68k.opt: Add mcfv4e.
9338 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9339 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9340 (m68k_output_function_prologue): Save ColdFire FPU registers.
9341 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9342 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9343 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9344 ColdFire FPU registers.
9345 (m68k_libcall_value, m68k_function_value): New functions.
9346 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9347 (LIBCALL_VALUE): Use m68k_libcall_value.
9348 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9349 (MASK_COLDFIRE): Add MASK_CFV4E.
9350 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9351 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9352 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9353 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9354 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9355 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9356 * doc/invoke.tex: Document -mcfv4e on m68k.
9358 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9360 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9363 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9366 * c-opts.c (c_common_handle_option): Don't include
9367 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9368 * doc/invoke.texi (C++ Dialect Options): Document that
9369 -Wnon-virtual-dtor is no longer included in -Wall.
9371 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9373 * gcov.c (print_version), gcov-dump.c (print_version),
9374 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9377 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9379 * df-scan.c (problem_SCAN): Added NULL reset function.
9380 (df_scan_reset_blocks): Added code to call reset block function
9381 (df_bb_refs_delete) Fixed comment.
9382 (df_insn_refs_delete): Made tolerant of deleting non existent info
9383 for dataflow problems that need to be reset.
9384 * df-core.c (df_set_blocks): Ditto.
9385 * df.h (struct df_problem): Added reset_fun.
9386 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9387 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9388 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9389 functions to clear out all references to def-use or use-def chains.
9391 2006-01-21 Ben Elliston <bje@au.ibm.com>
9393 * varasm.c (assemble_real): Initialise data array.
9395 2006-01-20 Paul Brook <paul@codesourcery.com>
9397 Merge from csl-arm-branch.
9398 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9399 * config/arm/arm.md (movdi): Force operands[1] to a register
9400 if we have a non-register source.
9401 (*arm_movdi, *movdf_soft_insn): Require that one of the
9402 operands be a register.
9403 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9404 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9406 2006-01-20 DJ Delorie <dj@redhat.com>
9408 * varasm.c (initialize_constant_valid_p): Allow pointers
9409 initialized from integer constants of lesser precision.
9410 (output_constant): Allow non-int-sized pointer modes to be
9411 initialized from integer constants.
9413 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9416 * cppdefault.h (struct default_include): Add multilib flag.
9417 * cppdefault.c (cpp_include_defaults): Set it.
9418 * c.opt (-imultilib): New option.
9419 * c-opts.c (imultilib): New.
9420 (c_common_handle_option): Handle -imultilib.
9421 (c_common_post_options): Likewise.
9422 * c-incpath.c (add_standard_paths, register_include_chains):
9424 * c-incpath.h (register_include_chains): Add extra parameter.
9425 * gcc.c (do_spec_1): Generate -imultilib option.
9426 (The Specs Language): Update %I description.
9427 (process_command): Update copyright notice.
9428 * doc/cppopts.texi (-imultilib): Document.
9429 * doc/invoke.texi (-imultilib): Include in option summary.
9430 (%I): Update specs documentation.
9432 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9434 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9436 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9438 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9441 2006-01-20 Richard Guenther <rguenther@suse.de>
9442 Steven Bosscher <stevenb.gcc@gmail.com>
9444 PR rtl-optimization/24626
9445 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9446 EDGE_TRUE_VALUE if in RTL mode.
9449 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9450 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9452 2006-01-20 Dirk Mueller <dmueller@suse.com>
9455 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9456 instead of a special NOP marker.
9457 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9458 NOP marker handling.
9459 * c-common.h (empty_body_warning): Add forward declaration.
9460 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9461 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9463 2006-01-20 Paul Brook <paul@codesourcery.com>
9465 * Makefile.in (lang_checks): Keep going if mkdir fails.
9467 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9469 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9470 be able to clean out basic block when not necessary.
9471 (df_scan_free): Fixed to properly delete information if df is
9472 unused before calling df_finish.
9473 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9474 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9476 (df_bb_refs_delete): New function.
9477 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9478 * df-core.c (df_set_blocks): Added code to properly clean out
9479 unused blocks if they are not part of the blocks to consider.
9480 Added additional null check.
9481 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9482 be able to clean out basic block when not necessary
9483 * df.h (df_free_bb_function): Ditto.
9484 (df_bb_refs_delete): New function.
9485 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9486 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9487 basic block parameter to be able to clean out basic block when not
9489 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9490 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9491 Fixed to properly delete information if df is unused before
9494 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9496 PR rtl-optimization/25799
9497 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9498 Corrected confluence operator to remove bits from op2 before oring
9499 with op1 rather than removing bits from op1.
9500 (df_ru_transfer_function): Corrected test on wrong bitmap which
9501 caused infinite loop. Both of these problems were introduced in
9502 the dataflow rewrite.
9504 2006-01-19 DJ Delorie <dj@redhat.com>
9506 * reload1.c (find_reload_regs): Note the details of reload
9507 failures in the dump file.
9508 (spill_failure): Likewise.
9510 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9512 * loop-iv.c: Include df.h and hashtab.h.
9513 (enum iv_grd_result): New enum.
9514 (DF_REF_IV, DF_REF_IV_SET): New macros.
9515 (struct biv_entry): New.
9516 (df, bivs): New global variables.
9517 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9518 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9520 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9521 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9522 analyzed_for_bivness_p, record_biv): New functions.
9523 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9524 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9525 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9527 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9529 (iv_number_of_iterations): Use new interface to iv analysis.
9530 * loop-unroll.c: Do not include varray.h.
9531 (analyze_iv_to_split_insn): Use new interface to iv
9533 * loop-unswitch.c (may_unswitch_on): Ditto.
9534 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9536 (df_bb_modify): Realloc tables to the new index.
9537 (df_find_use): New function.
9538 * df.h (df_find_use): Declare.
9539 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9541 * cfgloop.h (struct rtx_iv): Remove analysed field.
9542 (iv_get_reaching_def): Removed.
9543 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9544 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9545 (loop-iv.o): Add df.h and hashtab.h dependency.
9546 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9548 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9551 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9553 (__floatundisf, __floatundidf): Likewise.
9554 * libgcc2.h (IS_IBM_EXTENDED): Define.
9556 2006-01-19 DJ Delorie <dj@redhat.com>
9558 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9560 2006-01-19 Paul Brook <paul@codesourcery.com>
9562 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9563 as nothrow when unwinding tables are disabled.
9565 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9568 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9569 of bit-field" when in system header.
9571 2006-01-19 DJ Delorie <dj@redhat.com>
9573 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9574 the 16 bit shift limit of the m16c.
9576 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9579 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9580 * config/i386/i386.c (output_set_got): Output the label if we have one
9581 for the TARGET_DEEP_BRANCH_PREDICTION case.
9583 2006-01-19 Jan Hubicka <jh@suse.cz>
9584 H.J. Lu <hongjiu.lu@intel.com>
9585 Evandro Menezes <evandro.menezes@amd.com>
9587 * invoke.texi (generic): Document
9589 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9590 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9591 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9592 (x86_use_incdec, x86_pad_returns): New variables
9593 (TARGET_CPU_DEFAULT_generic): New constant
9594 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9595 (enum processor_type): Add generic32 and generic64.
9596 * i386.md (cpu attribute): Add generic32/generic64
9597 (movhi splitter): Behave sanely when both partial_reg_dependency and
9598 partial_reg_stall are set.
9599 (K8 splitters): Enable for generic as well.
9600 * predicates.md (incdec_operand): Use TARGET_INCDEC
9601 (aligned_operand): Avoid memory mismatch stalls.
9602 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9603 * ppro.md: Enable for generic32
9604 * i386.c (generic64_cost, generic32_cost): New.
9605 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9606 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9607 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9608 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9609 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9610 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9611 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9612 x86_accumulate_outgoing_args, x86_prologue_using_move,
9613 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9614 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9616 (x86_use_incdec, x86_pad_returns): New.
9617 (override_options): Add generic32 and generic64, translate "generic"
9618 to generic32/generic64 and "i686" to "generic32", refuse
9619 "generic32"/"generic64" as arch target.
9620 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9621 (ix86_reorg): Honor PAD_RETURNS.
9623 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9625 * tree-pretty-print.c (dump_generic_node): Handle
9626 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9627 * cgraph.c (cgraph_expand_queue): Rename from
9628 cgraph_analyze_queue. Update all users.
9629 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9630 cgraph_expand_queue.
9631 (cgraph_expand_all_functions): Likewise.
9632 (cgraph_finalize_pending_functions): Remove. Update callers.
9634 * tree.h (OMP_DIRECTIVE_P): Define.
9635 (OMP_PARALLEL_FN): Define.
9636 (OMP_PARALLEL_DATA_ARG): Define.
9637 (OMP_SECTIONS_SECTIONS): Define.
9638 * tree-pass.h (pass_expand_omp): Declare.
9639 * omp-low.c (struct omp_region): Declare.
9640 (struct omp_context): Remove fields 'parallel_type',
9641 'parallel_start_ix' and 'parallel_start_additional_args'.
9643 (struct omp_for_data): Rename from struct expand_omp_for_data.
9644 (omp_regions): New static variable.
9645 (root_omp_region): New static variable.
9646 (find_omp_clause): Make static.
9647 (is_in_combined_parallel_ctx): Remove.
9648 (is_combined_parallel): New.
9649 (extract_omp_for_data): Move earlier in the file.
9650 (workshare_safe_to_combine_p): New.
9651 (get_ws_args_for): New.
9652 (determine_parallel_type): Move earlier in the file.
9653 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9655 (omp_copy_decl): Likewise.
9656 (create_omp_child_function): Likewise.
9657 (lookup_omp_region): New.
9658 (dump_omp_region): New.
9659 (debug_omp_region): New.
9660 (debug_all_omp_regions): New.
9661 (new_omp_region): New.
9662 (scan_omp_parallel): If parallel_nesting_level > 1, the
9663 directive is nested within another parallel directive.
9664 Set OMP_PARALLEL_FN.
9665 (scan_omp_for): Do not try to handle combined parallel+for
9667 Remove FIXME comment.
9668 (scan_omp_nested): Remove.
9669 (scan_omp_1): Do not call scan_omp_nested when
9670 parallel_nesting_level is > 1.
9671 Do not change the DECL_CONTEXT of local variables found.
9672 (lookup_decl_in_outer_ctx): New.
9673 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9674 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9675 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9676 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9677 If CTX is nested, lookup VAR in the outer context when
9678 building copy assignment.
9679 (lower_send_clauses): Rename from expand_send_clauses.
9680 If CTX is nested, lookup VAR in the outer context when
9681 building copy assignments.
9682 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9683 If CTX is nested, lookup VAR in the outer context when
9684 building copy assignments.
9685 (expand_parallel_call): Rename from build_parallel_call.
9686 Handle combined parallel+workshare cases.
9687 Re-implement to emit code into the CFG.
9689 (expand_omp_parallel): Re-implement to emit code into the CFG.
9690 Call move_sese_region_to_fn to outline the sub-graph
9691 containing the parallel region.
9692 (expand_omp_for_1): Remove.
9693 (expand_omp_for_generic): Re-implement to emit code into the
9695 (expand_omp_for_static_nochunk): Likewise.
9696 (expand_omp_for_static_chunk): Likewise.
9697 (expand_omp_for): Likewise.
9698 (expand_omp_sections): Likewise.
9699 (remove_exit_barriers): New.
9700 (expand_omp_synch): New.
9702 (build_omp_regions_1): New.
9703 (build_omp_regions): New.
9704 (execute_expand_omp): New.
9705 (gate_expand_omp): New.
9706 (pass_expand_omp): Define.
9707 (lower_omp_sections): Rename from expand_omp_sections.
9708 Set OMP_SECTIONS_SECTIONS.
9709 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9710 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9711 (lower_omp_single): Rename from expand_omp_simple.
9712 (lower_omp_master): Rename from expand_omp_master.
9713 (lower_omp_ordered): Rename from expand_omp_ordered.
9714 (lower_omp_critical): Rename from expand_omp_critical.
9715 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9716 (lower_omp_for): Re-implement.
9717 (lower_omp_parallel): Re-implement.
9718 (lower_regimplify): Rename from expand_regimplify.
9719 (lower_omp_1): Rename from expand_omp_1.
9720 If there are syntax errors in the program, replace every
9721 OpenMP directive with NOP.
9722 Call lower_omp_* instead of expand_omp_*.
9723 (lower_omp): Rename from expand_omp.
9725 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9726 * tree-gimple.h (enum omp_parallel_type): Remove.
9727 (gimple_boolify): Declare extern.
9728 (find_omp_clause, determine_parallel_type): Remove.
9730 * gimple-low.c (lower_omp_directive): New.
9731 (lower_stmt): Call it.
9732 (record_vars_into): Move from ...
9733 (record_vars): ... here.
9734 Call record_vars_into with current_function_decl.
9736 * gimplify.c (struct gimplify_ctx): Remove fields
9737 combined_pre_p and combined_ctxp. Update users.
9738 (get_formal_tmp_var): Add documentation.
9739 (gimple_boolify): Make extern.
9740 (gimplify_expr_in_ctx): Remove. Update callers.
9741 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9742 will always be a BIND_EXPR.
9743 (gimplify_expr): Handle OMP_RETURN_EXPR.
9744 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9745 (OMP_PARALLEL): Add 3 operands.
9746 (OMP_SECTIONS): Add 1 operand.
9747 (OMP_RETURN_EXPR): Define.
9749 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9750 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9751 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9752 creating a circular free list.
9753 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9755 * tree-flow.h (move_sese_region_to_fn): Declare.
9756 (record_vars_into): Declare.
9757 * tree-cfg.c (make_omp_sections_edges): New.
9758 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9759 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9760 OMP_SECTIONS and OMP_SECTION.
9761 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9762 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9763 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9764 (gather_blocks_in_sese_region): New.
9765 (struct move_stmt_d): Declare.
9767 (move_block_to_fn): New.
9768 (move_sese_region_to_fn): New.
9770 * passes.c (init_optimization_passes): Schedule
9771 pass_expand_omp after pass_init_datastructures.
9773 * tree-ssa-operands.c (get_expr_operands): Handle
9774 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9775 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9777 2006-01-19 Jeff Law <law@redhat.com>
9779 * tree-vrp.c (extract_range_from_assert): Refine the result range
9780 if the variable referenced by the ASSERT_EXPR has a range and
9781 either the tentative result range or the previous range is a
9784 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9786 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9788 2006-01-19 Jan Hubicka <jh@suse.cz>
9790 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9792 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9794 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9795 (expand_compound_operation, expand_field_assignment): Fail if the
9796 bit lengths of an extract operation are out of range.
9797 (make_extraction): Compute wanted_inner_mode based on the position
9798 and length of the extraction. Make it extraction_mode for non-constant
9799 positions, and do not modify offset in that case. When generating a
9800 new MEM, use a mode that can hold the extraction while keeping correct
9801 alignment. Remove code that supported MEMs wrapped by USEs.
9802 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9804 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9806 * config/s390/s390.md ("Y", "y"): New mode attribute.
9807 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9808 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9809 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9810 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9811 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9812 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9813 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9814 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9815 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9816 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9817 "addsi3", "subsi3"): Insn patterns removed.
9818 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9819 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9820 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9821 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9822 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9823 "*sub<mode>3_cconly2"): New insn patterns.
9824 ("addsi3", "subsi3"): New expanders.
9826 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9828 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9829 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9830 existing STMT_VINFO_VECTYPE if available.
9831 (vect_mark_relevant): Add special handling for stmts that are
9832 marked as STMT_VINFO_IN_PATTERN_P.
9833 (vect_analyze_loop): Call vect_pattern_recog.
9834 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9835 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9837 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9838 (vect_recog_func_ptr): New function-pointer type.
9839 * tree-vect-patterns.c: New file.
9840 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9841 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9842 (vect_pattern_recog_1): New functions.
9843 (vect_pattern_recog_funcs): New array of function pointers.
9845 * tree-vectorizer.h (ternary_op): New enum value.
9846 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9847 declaration. Revised documentation. Removed redundant dump prints.
9848 Removed redundant argument. Added support for reduction patterns.
9849 (vectorizable_reduction): Added support for reduction patterns.
9850 (vect_transform_stmt): Added support for patterns.
9852 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9853 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9854 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9855 (expand_widen_pattern_expr): New function.
9856 (init_optabs): Initialize new optabs udot_prod_optab,
9858 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9859 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9860 (expand_widen_pattern_expr): New function declaration.
9861 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9863 * tree-inline.c (estimate_num_insns_1): Added cases for new
9864 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9865 * tree-pretty-print.c (dump_generic_node): Likewise.
9866 (op_prio): Likewise.
9867 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9868 * tree-ssa-operands.c (get_expr_operands): Added case for
9870 * tree-vect-patterns.c (widened_name_p): New function.
9871 (vect_recog_dot_prod_pattern): Added function implementation.
9872 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9873 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9874 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9875 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9877 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9878 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9879 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9880 (init_optabs): Initialize new optabs widen_ssum_optab,
9882 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9883 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9884 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9885 use instead of type of def.
9886 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9887 function implementation.
9888 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9889 widen_ssumv8hi): New.
9891 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9894 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9897 * c-decl.c (add_flexible_array_elts_to_size): New function.
9898 (finish_decl): Use it.
9900 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9902 * diagnostic.h: Include options.h.
9903 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9904 dependancies for diagnostic.h.
9905 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9907 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9909 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9910 (ssa_ro_call_cache_valid): Ditto.
9911 * tree-ssa-alias.c (sort_tags_by_id): New function.
9912 (init_transitive_clobber_worklist): Ditto.
9913 (add_to_worklist): Ditto.
9914 (mark_aliases_call_clobbered): Ditto.
9915 (compute_tag_properties): Ditto.
9916 (set_initial_properties): Ditto.
9917 (compute_call_clobbered): Ditto.
9918 (compute_may_aliases): Call compute_call_clobbered and grouping.
9919 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9920 (compute_flow_insensitive_aliasing): Grouping now happens in our
9922 (setup_pointers_and_addressables): Remove clobbering related code.
9923 (add_may_alias): Ditto.
9924 (replace_may_alias): Ditto.
9925 (get_nmt_for): Ditto.
9926 (create_global_var):
9927 (is_escape_site): Return an escape_type enumeration.
9928 * tree-flow-inline.h (is_call_clobbered): Global var does not
9929 imply call clobbered.
9930 (mark_call_clobbered): Take a reason for marking this. Remove
9931 marking of globalness, and cache invalidation.
9932 (clear_call_clobbered): Remove cache invalidation code.
9933 * tree-dfa.c (dump_variable): If details is on, dump the reason
9935 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9937 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9938 (struct var_ann_d): Ditto.
9939 (enum escape_type): New.
9940 (mark_call_clobbered): Adjust prototype.
9941 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9942 are never call clobbered.
9943 Record reasons for escaping.
9944 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9945 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9946 (ssa_ro_call_cache_valid): Ditto.
9947 (clobbered_v_may_defs): Ditto.
9948 (clobbered_vuses): Ditto.
9949 (ro_call_vuses): Ditto.
9950 (clobber_stats): New.
9951 (init_ssa_operands): Zero out clobber stats.
9952 (fini_ssa_operands): Print out clobber stats.
9953 (get_call_expr_operands): Pass callee fndecl to
9955 (add_call_clobber_ops): Remove use of cache.
9956 Add use of PURE_CONST information.
9957 (add_call_read_ops): Remove use of cache.
9958 Add use of static not_read information.
9960 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9962 Introduce TLS descriptors for i386 and x86_64.
9963 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9964 (TARGET_ANY_GNU_TLS): New macro.
9965 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9966 (struct machine_function): Add tls_descriptor_call_expanded_p.
9967 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9968 (ix86_current_function_calls_tls_descriptor): Likewise.
9969 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9970 (override_options): Introduce gnu2 tls dialect.
9971 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9973 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9975 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9976 (ix86_init_machine_status): Initialize new field.
9977 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9978 (ix86_tls_module_base): New.
9979 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9980 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9981 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9982 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9983 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9984 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9985 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9986 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9987 * config/i386/predicates.md (tls_modbase_operand): New.
9988 (tp_or_register_operand): New.
9990 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9992 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9993 (look_for_address_of): Ditto.
9994 (ipa_init): Walk the function decls.
9995 (static_execute): Don't set readonly on FUNCTION_DECL's.
9997 2006-01-18 Roger Sayle <roger@eyesopen.com>
9999 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10000 for shifts where the source and destination registers are different.
10002 2006-01-18 Paul Brook <paul@codesourcery.com>
10004 Merge from csl-arm-branch.
10005 2005-03-14 Julian Brown <julian@codesourcery.com>
10006 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10007 (aeabi_llsl): Likewise.
10008 (ashrdi3): Likewise.
10009 (aeabi_lasr): Likewise.
10010 (lshrdi3): Likewise.
10011 (aeabi_llsr): Likewise.
10012 2005-03-10 Julian Brown <julian@codesourcery.com>
10013 * config.gcc: Disable shared libgcc for SymbianOS.
10014 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10016 2006-01-18 DJ Delorie <dj@redhat.com>
10018 * c-pragma.c (handle_pragma_diagnostic): New.
10019 (init_pragma): Register it.
10020 * doc/extend.texi: Document it.
10022 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10023 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10024 (diagnostic_context): Add classify_diagnostic[].
10025 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10026 as errors if they're overridden to DK_WARNING.
10027 (diagnostic_initialize): Initialize classify_diagnostic[].
10028 (diagnostic_set_kind_override): New.
10029 (diagnostic_report_diagnostic): Check for kind changes.
10030 * opts.c (common_handle_option): Take lang_mask. Update callers.
10031 Handle OPT_Werror_.
10032 * common.opt (Werror=): New.
10033 * doc/invoke.texi: Document -Werror=*
10035 2006-01-18 Jeff Law <law@redhat.com>
10037 * tree-vrp.c (test_for_singularity): Correct test for new
10038 min limit. Use operand_equal_p rather than pointer equality
10039 for testing if new min/max values are equal.
10041 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10042 using range information until after propagation and folding.
10044 2006-01-18 Richard Henderson <rth@redhat.com>
10045 Aldy Hernandez <aldyh@redhat.com>
10046 Jakub Jelinek <jakub@redhat.com>
10047 Diego Novillo <dnovillo@redhat.com>
10049 * omp-low.c: New file.
10050 * c-omp.c: New file.
10052 2006-01-18 Richard Henderson <rth@redhat.com>
10053 Jakub Jelinek <jakub@redhat.com>
10054 Diego Novillo <dnovillo@redhat.com>
10056 * doc/invoke.texi: Document -fopenmp.
10057 * tree-dump.h (debug_function): Declare.
10058 * hooks.c (hook_bool_tree_bool_false): New function.
10059 (hook_tree_tree_null): Remove.
10060 (hook_tree_tree_tree_null): New.
10061 * hooks.h: Update to match.
10062 * tree-pretty-print.c (debug_tree_chain): New.
10063 (print_generic_expr): Handle TDF_CHAIN.
10064 (dump_generic_node): Handle BLOCK.
10065 Do not abort with incomplete SWITCH_EXPRs.
10066 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10067 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10068 print space after directive name.
10069 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10070 Handle OMP_MASTER and OMP_ORDERED.
10071 Handle printing of OMP_BODY just in one place, goto
10072 dump_omp_body in the rest of OMP_* nodes that have
10074 Don't handle clause nodes here. Update omp statements to
10075 use dump_omp_clauses.
10076 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10077 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10078 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10079 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10080 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10081 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10082 Adjust output for GOMP_PARALLEL.
10083 (dump_omp_clauses): New.
10084 (print_declaration): Dump DECL_VALUE_EXPR.
10085 (op_symbol_1): Split out of op_symbol.
10086 (dumping_stmts): Remove. Update all users.
10087 * cgraph.c (cgraph_analyze_queue): New.
10088 (cgraph_add_new_function): New.
10089 * cgraph.h (cgraph_analyze_queue): Declare.
10090 (cgraph_add_new_function): Declare.
10091 (cgraph_lower_function): Remove.
10092 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10093 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10094 and TYPE_P nodes in its default clause.
10095 (empty_body_p): New.
10096 (tree_range_check_failed): New.
10097 (build5_stat): New.
10098 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10099 OMP_CLAUSE_REDUCTION_MERGE,
10100 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10101 OMP_CLAUSE_PRIVATE_DEBUG,
10102 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10103 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10104 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10105 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10106 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10107 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10108 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10109 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10110 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10111 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10112 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10113 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10114 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10115 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10116 (TREE_RANGE_CHECK): New.
10117 (empty_body_p): Declare.
10118 (enum omp_clause_default_kind): New.
10119 (build_string_literal): Declare.
10120 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10121 (build5_stat, build5): Declare.
10122 * tree-pass.h (TDF_CHAIN): Define.
10123 * tree-pass.h (PROP_gimple_lomp): Define.
10124 (pass_lower_omp): Declare.
10125 * diagnostic.h (debug_tree_chain): Declare.
10126 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10128 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10129 * builtins.c (build_string_literal): Make extern.
10130 * gcc.c (include_spec_function): New.
10131 (static_spec_functions): Add it.
10132 (main): Move load of libgomp.spec ...
10133 (LINK_COMMAND_SPEC): ... here.
10134 (link_gomp_spec): New.
10135 (static_specs): Include it.
10136 (LINK_COMMAND_SPEC): Add link_gomp.
10137 (GOMP_SELF_SPECS): New.
10138 (driver_self_specs): Include it.
10139 (switch_matches): Don't mark inline.
10140 (main): Load libgomp.spec.
10141 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10142 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10143 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10144 * tree-gimple.h (enum omp_parallel): Declare.
10145 (determine_parallel_type): Declare.
10146 (omp_firstprivatize_variable): Declare.
10147 (omp_reduction_init): Declare.
10148 (diagnose_omp_structured_block_errors): Declare.
10149 (struct walk_stmt_info): Add want_return_expr.
10150 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10151 (find_omp_clause): Declare.
10152 (insert_field_into_struct): Declare.
10153 (struct walk_stmt_info): Move from tree-nested.c
10154 (walk_stmts): Declare.
10155 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10157 * cgraphunit.c (cgraph_lower_function): Make static.
10158 (cgraph_finalize_pending_functions): New.
10159 (cgraph_finalize_function): Call it.
10160 (cgraph_finalize_compilation_unit): Likewise.
10161 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10162 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10163 (BT_FN_UINT_UINT): New.
10164 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10165 DEF_FUNCTION_TYPE_VAR_4): Document.
10166 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10167 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10168 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10169 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10170 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10171 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10172 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10173 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10174 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10175 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10176 into separate files.
10177 (DEF_GOMP_BUILTIN): New.
10178 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10179 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10180 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10181 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10182 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10183 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10184 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10185 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10186 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10187 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10188 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10189 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10190 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10191 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10192 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10193 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10194 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10195 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10196 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10197 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10198 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10199 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10200 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10201 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10202 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10203 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10204 * sync-builtins.def: New file, moved from builtins.def.
10205 * omp-builtins.def: New file, moved from builtins.def.
10206 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10207 * gimple-low.c (lower_function_body): Clear data.
10208 (lower_stmt): Do not handle COMPOUND_EXPR.
10209 Remove call to print_node_brief.
10210 * c-tree.h (c_finish_omp_clauses): New prototype.
10211 (C_DECL_THREADPRIVATE_P): Define.
10212 (lookup_name_no_remap, c_omp_remap_private): Remove
10213 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10214 (check_for_loop_decls): Update decl.
10215 (lookup_name_no_remap, c_omp_remap_private): Declare.
10216 (build_indirect_ref, build_modify_expr, pushdecl,
10217 pushdecl_top_level): Move to c-common.h.
10218 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10219 before the switch, but just in the 2 places that need it.
10220 * c-decl.c (diagnose_mismatched_decls): Do not check for
10221 mismatched thread-local attributes when OLDDECL is marked
10222 threadprivate and NEWDECL has no thread-local attributes.
10223 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10224 (c_gimple_diagnostics_recursively): Rename from
10225 c_warn_unused_result_recursively. Invoke
10226 diagnose_omp_structured_block_errors.
10227 (check_for_loop_decls): Return a singular decl found.
10228 * langhooks.c (lhd_omp_predetermined_sharing): Return
10229 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10230 (lhd_omp_firstprivatize_type_sizes): New.
10231 (lhd_omp_assignment): New.
10232 (lhd_omp_predetermined_sharing): New.
10233 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10234 (struct lang_hooks_for_types): Add
10235 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10236 omp_predetermined_sharing, omp_disregard_value_expr,
10237 omp_private_debug_clause, omp_clause_default_ctor,
10238 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10239 (c_finish_omp_clauses): New.
10240 (c_finish_bc_stmt): Diagnose break within omp for.
10241 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10242 (build_unary_op): Return error_mark after reporting
10244 (build_modify_expr): Likewise.
10245 * gimplify.c: Include optabs.h and pointer-set.h.
10246 (enum gimplify_omp_var_data): Declare.
10247 (struct gimplify_omp_ctx): Declare.
10248 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10250 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10251 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10252 (splay_tree_compare_decl_uid): New.
10253 (new_omp_context): New.
10254 (delete_omp_context): New.
10255 (gimple_add_tmp_var): Call omp_add_variable.
10256 (gimplify_bind_expr): Likewise.
10257 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10258 true, disregard DECL_VALUE_EXPR on the decl if any.
10259 (gimplify_expr_in_ctx): New.
10260 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10261 omp_add_variable, omp_notice_variable, omp_is_private
10262 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10263 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10264 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10265 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10266 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10267 gimplify_omp_atomic): New.
10268 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10269 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10270 OMP_CRITICAL and OMP_ATOMIC.
10271 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10272 * c-pragma.h (enum pragma_kind): Add
10273 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10274 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10275 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10276 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10277 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10278 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10279 PRAGMA_OMP_THREADPRIVATE.
10280 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10281 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10282 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10283 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10284 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10285 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10286 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10287 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10288 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10289 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10290 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10291 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10292 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10294 (struct nesting_info): Add field_map,
10295 suppress_expansion, debug_var_chain.
10296 (create_nesting_tree): Initialize them.
10297 (lookup_field_for_decl): Use field_map.
10298 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10299 (convert_local_omp_clauses): New.
10300 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10301 (walk_body): Split out of walk_function.
10302 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10303 (convert_nonlocal_reference): Handle omp statements.
10304 (convert_local_reference): Likewise.
10305 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10306 (unnest_nesting_tree): New.
10307 (lower_nested_functions): Call it.
10308 (insert_field_into_struct): Make extern.
10309 (struct walk_stmt_info): Move to tree-gimple.h.
10310 (walk_stmts): Make extern.
10311 * omp-builtins.def: New file.
10312 * tree-iterator.c (expr_only): Clarify comment.
10313 * c-common.h (pushdecl_top_level, pushdecl,
10314 build_modify_expr, build_indirect_ref,
10315 c_finish_omp_master, c_finish_omp_critical,
10316 c_finish_omp_ordered, c_finish_omp_barrier,
10317 c_finish_omp_atomic, c_finish_omp_flush,
10318 c_finish_omp_for, c_split_parallel_clauses,
10319 omp_clause_default_kind, c_omp_sharing_predetermined,
10320 c_omp_remap_decl): Declare.
10321 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10322 (OBJS-common): Add omp-low.o.
10323 (c-omp.o, omp-low.o): Add.
10324 (gimplify.o): Add dependency on $(OPTABS_H).
10325 (GTFILES): Add omp-low.c.
10326 (gt-stringpool.h): Add.
10327 * tree-cfg.c (set_bb_for_stmt): Do not update the
10328 block-to-labels map if we are currently expanding to RTL.
10329 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10331 Handle IDENTIFIER_NODE.
10332 (tree_verify_flow_info): Do not ICE when emitting error
10333 messages about invalid labels.
10334 (dump_function_to_file): Reset CFUN before emitting the body
10336 (debug_function): New.
10337 * passes.c (init_optimization_passes): Schedule
10339 * langhooks-def.h (lhd_omp_predetermined_sharing,
10340 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10342 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10343 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10344 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10345 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10346 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10347 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10348 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10349 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10350 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10351 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10352 (LANG_HOOK_DECLS): Use them.
10354 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10355 Richard Henderson <rth@redhat.com>
10356 Jakub Jelinek <jakub@redhat.com>
10357 Diego Novillo <dnovillo@redhat.com>
10359 * c-parser.c (pragma_omp_clause): Define.
10360 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10361 (c_parser_compound_statement): Likewise.
10362 (c_parser_statement): Likewise.
10363 (c_parser_pragma): Handle omp pragmas.
10364 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10365 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10366 (c_parser_omp_clause_name, check_no_duplicate_clause,
10367 c_parser_omp_variable_list,
10368 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10369 c_parser_omp_clause_copyprivate,
10370 c_parser_omp_clause_default,
10371 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10372 c_parser_omp_clause_lastprivate,
10373 c_parser_omp_clause_nowait,
10374 c_parser_omp_clause_num_threads,
10375 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10376 c_parser_omp_clause_reduction,
10377 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10378 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10379 c_parser_omp_atomic, c_parser_omp_barrier,
10380 c_parser_omp_critical, c_parser_omp_flush,
10381 c_parser_omp_for_loop, c_parser_omp_for,
10382 c_parser_omp_master, c_parser_omp_ordered,
10383 c_parser_omp_sections_scope, c_parser_omp_sections,
10384 c_parser_omp_parallel, c_parser_omp_single,
10385 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10386 * c-pragma.c (init_pragma): Do omp pragma registration here.
10387 * c.opt (fopenmp): New flag.
10389 2006-01-18 Eric Christopher <echristo@apple.com>
10391 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10392 * config/darwin.h (GOMP_SELF_SPECS): Define.
10394 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10396 * rtl.h: Remove the prototype for reg_alloc.
10398 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10401 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10402 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10403 sjlj and dwarf2 exception handling.
10404 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10405 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10406 * pa/pa.c (function_value): Treat complex and vector types as
10408 (function_arg): Likewise. Only pass scalar floats in the floating
10409 point argument registers.
10410 * pa/t-slibgcc-dwarf-ver: New file.
10411 * pa/t-slibgcc-sjlj-ver: New file.
10412 * pa/t-slibgcc-elf-ver: Delete file.
10414 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10416 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10417 unlikely_test_section_p test.
10419 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10421 * mode-switching.c (optimize_mode_switching): Make it static.
10422 * basic-block.h: Remove the prototype for
10423 optimize_mode_switching.
10425 * modulo-sched.c (sms_schedule): Make it static.
10426 * rtl.h: Remove the prototype for sms_schedule.
10428 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10429 * rtl.h: Remove the prototype for gcse_after_reload_main.
10431 * reg-stack.c (reg_to_stack): Make it static.
10432 * rtl.h: Remove the prototype for reg_to_stack.
10434 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10436 * rtl.h: Remove the prototypes for regrename_optimize and
10437 copyprop_hardreg_forward.
10439 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10441 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10442 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10443 Test against the appropriate null constant for the mode.
10444 If 'fixup_overlap' is true, swap the operands if they overlap.
10445 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10446 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10447 alpha_split_tmode_pair and adjust for above change.
10448 * config/alpha/alpha.md (movtf_internal): Adjust call to
10449 alpha_split_tfmode_pair and rely on it to swap the operands.
10450 (movti_internal): New insn and post-reload splitter.
10451 (movti): New expander.
10453 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10455 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10458 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10460 * rtlanal.c (global_reg_mentioned_p_1,
10461 global_reg_mentioned_p): Remove.
10462 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10464 * flow.c (initialize_uninitialized_subregs): Make it static.
10465 * rtl.h: Remove the prototype for
10466 initialize_uninitialized_subregs.
10468 * function.c (instantiate_virtual_regs): Make it static.
10469 * function.h: Remove the prototype for
10470 instantiate_virtual_regs.
10472 * regmove.c (regmove_optimize, combine_stack_adjustments):
10474 * rtl.h: Remove the prototypes for regmove_optimize and
10475 combine_stack_adjustments.
10477 2006-01-17 Roger Sayle <roger@eyesopen.com>
10479 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10480 (size_cost): Encode costs in bytes so that a reg-reg addition is
10481 equivalent to COSTS_N_INSNS(1).
10482 (override_options): Use the size_cost.branch_cost as the default
10483 ix86_branch_cost when optimizing for size.
10485 2006-01-18 Ben Elliston <bje@au.ibm.com>
10487 * Makefile.in (D32PBIT_FUNCS): New.
10488 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10489 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10490 D64PBIT_FUNCS and D128PBIT_FUNCS.
10491 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10492 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10494 (decnumber_dep): Define.
10495 * doc/libgcc.texi (Decimal float library routines): New node.
10496 * config/dfp-bit.h, config/dfp-bit.c: New files.
10498 2006-01-18 Ben Elliston <bje@au.ibm.com>
10500 * expr.c (emit_move_change_mode): Always adjust addresses, not
10501 just during reload. Copy replacements only during reload.
10502 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10503 emit_move_via_integer.
10505 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10507 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10508 instead of $(srcdir) and ${srcdir}.
10510 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10513 PR middle-end/11135
10514 * arm.h (struct machine_function): Add pic_reg.
10515 * arm.c (arm_pic_register): Make unsigned.
10516 (arm_override_options): Only set arm_pic_register if
10517 TARGET_SINGLE_PIC_BASE.
10518 (use_return_insn): Only test for a pic register if it is fixed.
10519 (arm_compute_save_reg0_reg12_mask): Likewise.
10520 (thumb_compute_save_reg_mask): Likewise.
10521 (legitimate_pic_operand): Factor out some known invariants.
10522 (legitimize_pic_address): If we don't have a fixed pic register,
10523 then set up a pseudo in the function entry sequence. Handle the
10524 pic base being in a pseudo.
10525 (arm_load_pic_register): Handle the pic register being in a pseudo.
10526 (arm_expand_prologue): Only set up the pic register if it is fixed.
10527 (thumb_expand_prologue): Likewise.
10528 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10529 (pic_load_addr_based_insn): Likewise.
10530 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10533 2006-01-18 Ben Elliston <bje@au.ibm.com>
10535 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10536 decimal float modes for all floating point registers.
10538 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10539 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10541 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10544 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10545 even when the pointer is not NULL.
10547 2006-01-16 Ian Lance Taylor <ian@airs.com>
10549 * common.opt (ftoplevel-reorder): New option.
10550 * cgraph.c (cgraph_asm_nodes): New global variable.
10551 (cgraph_asm_last_node): New static variable.
10552 (cgraph_order): New global variable.
10553 (cgraph_create_node): Set new order field.
10554 (cgraph_varpool_node): Likewise.
10555 (decide_is_variable_needed): Return true if not
10556 flag_toplevel_reorder.
10557 (cgraph_add_asm_node): New function.
10558 * cgraph.h (struct cgraph_node): Add order field.
10559 (struct cgraph_varpool_node): Add order field.
10560 (struct cgraph_asm_node): Define.
10561 (cgraph_asm_nodes, cgraph_order): Declare.
10562 (cgraph_add_asm_node): Declare.
10563 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10565 (cgraph_varpool_assemble_pending_decls): Call it.
10566 (cgraph_output_pending_asms): New static function.
10567 (cgraph_finalize_compilation_unit): Call it.
10568 (struct cgraph_order_sort): Define.
10569 (cgraph_output_in_order): New static function.
10570 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10571 !flag_toplevel_reorder case.
10572 * c-parser.c: Include "cgraph.h".
10573 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10575 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10576 than -fno-unit-at-a-time.
10577 * doc/invoke.texi (Option Summary): Mention
10578 -fno-toplevel-reorder.
10579 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10580 -funit-at-a-time documentation.
10582 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10583 Kazu Hirata <kazu@codesourcery.com>
10585 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10587 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10589 * Makefile.in (FUNCTION_H): New. Use it instead of
10590 function.h throughout the file.
10591 * function.h: Include tree.h.
10593 2006-01-17 Ben Elliston <bje@au.ibm.com>
10595 * recog.c: Separate some functions with whitespace.
10597 2006-01-16 Richard Henderson <rth@redhat.com>
10599 Merge from gomp branch:
10600 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10601 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10602 and rename from struct inline_data. Rename callee* to dst*;
10603 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10604 transform_new_cfg, transform_return_to_modify, and
10605 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10607 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10608 (copy_decl_for_dup): Remove.
10609 * tree-inline.c (struct inline_data): Move to header.
10610 (insert_decl_map): Export.
10611 (remap_decl): Update for member name changes. Use copy_decl hook.
10612 Allow for replacement to be a non-decl. Remove dead code.
10613 (remap_type_1): Check for existing mapping.
10614 (remap_type): Export.
10615 (remap_decls): Update for member name changes.
10616 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10617 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10618 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10619 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10620 (tree_function_versioning, build_duplicate_type): Likewise.
10621 (copy_body_r): Likewise. Export.
10622 (copy_decl_for_dup): Split into ...
10623 (copy_decl_for_dup_finish, copy_decl_to_var,
10624 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10625 (replace_ref_tree, inlining_p): Remove.
10627 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10629 * ifcvt.c (if_convert): Make it static.
10630 * rtl.h: Remove the prototype for if_convert.
10632 * local-alloc.c (local_alloc): Make it static.
10633 * rtl.h: Remove the prototype for local_alloc.
10635 * loop.c (loop_optimize): Make it static.
10636 * cfgloop.h: Remove the prototype for loop_optimize.
10639 2006-01-16 DJ Delorie <dj@redhat.com>
10641 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10644 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10646 * pa.md: Disparage copies between general and floating-point registers
10647 in 32-bit move patterns.
10649 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10652 * Makefile.in (check-%): Depend on site.exp instead of
10653 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10656 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10658 * global.c (global_alloc): Make it static.
10659 * rtl.h: Remove the prototype for global_alloc.
10661 2006-01-16 Richard Guenther <rguenther@suse.de>
10663 * tree-ssa-alias.c (struct used_part): Add write_only field.
10664 (get_or_create_used_part_for): Initialize it to true.
10665 (create_overlap_variables_for): Don't create structure variables
10666 for structures that only are written to.
10667 (find_used_portions): Handle MODIFY_EXPR to track whether a
10668 structure is only written to.
10670 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10672 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10674 * basic-block.h: Remove the prototype for
10675 partition_hot_cold_basic_blocks.
10677 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10679 * cppspec.c (lang_specific_spec_functions): Remove.
10680 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10681 * gcc.h (lang_specific_spec_functions): Remove.
10682 * gccspec.c (lang_specific_spec_functions): Remove.
10684 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10686 * combine.c (record_value_for_reg): Invalidate registers
10688 (record_dead_and_set_regs_1): Likewise, by passing them to
10689 record_value_for_reg.
10690 (record_dead_and_set_regs): Invalidate stores made by a
10691 call. We do not combine across a call, but we still
10692 relied on equivalences.
10694 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10696 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10697 vrp_int_const_binop returning non-constant nodes.
10699 2006-01-16 Paul Brook <paul@codesourcery.com>
10701 * config/m68k/m68k.c (output_move_const_into_data_reg):
10702 Output correct mnemonic for mvz and mvs.
10704 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10706 * rtl-factoring.c: Add sequence abstraction algorithm.
10707 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10708 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10710 (block_has_preserve_label): New function.
10711 * common.opt: Register new pass.
10712 * Makefile.in: Ditto.
10714 * timevar.def: Ditto.
10715 * tree-pass.h: Ditto.
10716 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10717 * rtl.h (make_jump_insn_raw): Add forward decl.
10718 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10720 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10721 Roger Sayle <roger@eyesopen.com>
10723 * fold-const.c (fold_minmax): New static function.
10724 (fold_binary) <MIN_EXPR>: Call it.
10725 <MAX_EXPR>: Likewise.
10726 * stor-layout.c (place_field): Use DECL_SIZE consistently
10727 in the computation of the new record size.
10729 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10731 * cse.c (cse_condition_code_reg): Make it static.
10732 * rtl.h: Remove the prototype for cse_condition_code_reg.
10734 * combine.c (combine_instructions): Make it static.
10735 * rtl.h: Remove the prototype for combine_instructions.
10737 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10740 * tree.c (get_file_function_name_long): Concatenate the first global
10741 object name with a string derived from the input filename of the object
10744 2006-01-16 Ben Elliston <bje@au.ibm.com>
10746 * config/i386/winnt-stubs.c: Update FSF address.
10747 * config/xtensa/ieee754-df.S: Ditto.
10748 * config/xtensa/ieee754-sf.S: Ditto.
10750 2006-01-14 Ian Lance Taylor <ian@airs.com>
10752 * ifcvt.c (noce_init_if_info): New static function, broken out of
10753 noce_process_if_block.
10754 (noce_process_if_block): Call noce_init_if_info.
10755 (check_cond_move_block): New static function.
10756 (cond_move_process_if_block): New static function.
10757 (process_if_block): Call cond_move_process_if_block.
10759 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10761 * cselib.c (hash_table): Rename to cselib_hash_table.
10762 (cselib_clear_table, discard_useless_values,
10763 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10764 cselib_init, cselib_finish): Adjust uses of hash_table.
10766 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10768 PR tree-optimization/25485
10769 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10770 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10771 is known to be false and true, respectively.
10773 2006-01-14 Richard Guenther <rguenther@suse.de>
10775 PR tree-optimization/22548
10776 PR tree-optimization/22555
10777 PR tree-optimization/22501
10778 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10779 * params.def (salias-max-array-elements): New parameter.
10780 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10781 * doc/invoke.texi (salias-max-array-elements): Document.
10782 * tree-flow-inline.h (var_can_have_subvars): We also handle
10784 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10786 * tree-ssa-structalias.c (params.h): Include.
10787 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10788 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10789 (get_constraint_for): For ADDR_EXPR operating on something
10790 containing an ARRAY_REF, add all subvars to the solution.
10791 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10792 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10793 for creating MUST_DEFs.
10794 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10796 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10798 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10800 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10801 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10802 number_of_iterations_le): New functions.
10803 (number_of_iterations_special): Removed.
10804 (number_of_iterations_exit): Do not use number_of_iterations_special.
10805 * tree.c (unsigned_type_for): Always return integer type.
10807 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10808 Richard Guenther <rguenther@suse.de>
10810 PR rtl-optimization/24257
10811 * gcse.c (find_moveable_store): Only consider a store movable
10812 when the SET_SRC of the insn can be assigned to a register.
10814 2006-01-14 Ian Lance Taylor <ian@airs.com>
10816 * tree.c (tree_not_class_check_failed): New function.
10817 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10818 (tree_not_class_check_failed): Declare.
10820 2006-01-13 Ian Lance Taylor <ian@airs.com>
10822 * reload1.c (do_output_reload): Add assertion rejecting a
10825 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10827 * combine.c (struct reg_stat): Add new fields truncation_label and
10829 (record_value_for_reg): Reset truncated_to_mode.
10830 (record_truncated_value): New function.
10831 (check_promoted_subreg): Call it. Rename to check_conversions.
10832 (combine_instructions): Rename check_promoted_subreg to
10834 (reg_truncated_to_mode): New function.
10835 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10836 (gen_lowpart_or_truncate): New function.
10837 (force_to_mode): Use it instead of gen_lowpart.
10839 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10841 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10842 VAR is a tag, not its type tag.
10844 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10846 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10847 alternatives to match style of other entries.
10848 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10850 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10852 PR tree-optimization/25771
10853 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10856 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10859 * tree-inline.c (declare_return_variable): If the return variable
10860 was marked as a non gimple complex, set the return slot variable
10861 to be a non gimple comple variable.
10863 2006-01-13 Richard Guenther <rguenther@suse.de>
10865 * builtins.c (expand_builtin_sincos): New function.
10866 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10868 (expand_builtin): Expand sincos using expand_builtin_sincos.
10870 2006-01-12 DJ Delorie <dj@redhat.com>
10872 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10873 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10874 so that constant shifts can be split.
10875 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10876 (m32c_valid_pointer_mode): Make static.
10877 (shift_gen_func_for): New.
10878 (m32c_prepare_shift): Use it. Split large const shifts into
10880 * config/m32c/predicates.md (shiftcount_operand): Allow more
10882 (longshiftcount_operand): New.
10883 * doc/md.texi (Machine Constraints): Document In6.
10885 2006-01-13 Ben Elliston <bje@au.ibm.com>
10887 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10888 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10891 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10893 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10894 to try to avoid clobbering pieces of structures when we know
10895 something about the whole structure.
10896 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10898 2006-01-13 Ben Elliston <bje@au.ibm.com>
10900 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10901 return in memory, as this is no limitation is no longer present.
10903 2006-01-12 DJ Delorie <dj@redhat.com>
10905 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10906 mova with fb, and for fb+0 -> An.
10908 * config/m32c/mov.md (peephole2): Fix enabling logic.
10910 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10911 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10912 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10913 FINI_ARRAY_SECTION_ASM_OP): Define.
10915 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10917 (m32c_legitimize_reload_address): New logic to reload FB to An.
10918 (m32c_output_reg_push): Add newline.
10919 (m32c_output_reg_pop): Likewise.
10921 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10923 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10925 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10927 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10929 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10931 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10934 2006-01-11 Ben Elliston <bje@au.ibm.com>
10936 * rtlanal.c (find_reg_note): Assert insn is not null.
10938 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10940 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10943 2006-01-11 Jeff Law <law@redhat.com>
10945 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10947 (mark_threaded_blocks, register_jump_thread): New functions.
10948 (thread_through_all_blocks): Remove unwanted argument. No
10949 longer rely on e->aux to communicate thread target info.
10950 Call mark_threaded_blocks. Release the threaded_blocks
10951 bitmap and threaded_edges vector when complete.
10952 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10953 (threaded_blocks): Remove.
10954 (tree_ssa_dominator_optimize): Remove initialization and
10955 finalization of threaded_blocks. Simplify call to
10956 thread_through_all_blocks.
10957 (thread_across_edge): Call register_jump_thread rather than
10958 storing thread information into e->aux.
10959 (free_all_edge_infos): Simplify now that e->aux is no longer
10960 used to communicate with thread_through_all_blocks.
10961 * tree-flow.h (thread_through_all_blocks): Update prototype.
10962 (register_jump_thread): Prototype.
10964 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10966 * df-core.c (df_compact_blocks, df_bb_replace): Use
10967 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10969 2006-01-11 Richard Guenther <rguenther@suse.de>
10971 PR tree-optimization/25734
10972 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10973 stop propagation after successful propagation to the LHS.
10975 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10977 * basic-block.h (control_flow_graph): Change the type of
10978 x_basic_block_info to VEC(basic_block,gc) *.
10979 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10981 (SET_BASIC_BLOCK): New.
10982 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10983 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10984 * cfgbuild.c (find_basic_blocks): Likewise.
10985 * cfglayout.c (fixup_reorder_chain): Likewise.
10986 * cfgrtl.c (create_basic_block_structure,
10987 rtl_create_basic_block): Likewise.
10988 * ifcvt.c (find_if_case_1): Likewise.
10989 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10992 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10994 * Makefile.in: Removed rotted odf.c entry.
10996 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10999 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11000 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11001 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11002 output pattern modifier, not %e.
11003 * config/cris/cris.c (cris_op_str): Update comment about pattern
11005 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11006 before falling through into...
11007 <case 'E'>: Redefined from old 'e' case.
11009 2006-01-11 Jan Hubicka <jh@suse.cz>
11012 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11014 2006-01-11 Jan Hubicka <jh@suse.cz>
11016 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11017 * i386.c (x86_decompose_lea): Kill.
11018 (ix86_rtx_costs): Kill.
11020 2006-01-11 Jan Hubicka <jh@suse.cz>
11022 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11023 * cgraph.h (cgraph_node): Add inline_decl.
11024 (cgraph_insert_node_to_hashtable): Declare.
11025 (save_inline_function_body): Declare.
11026 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11028 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11029 (cgraph_function_versioning): Update call of tree_function_versioning.
11030 (save_inline_function_body): New function.
11031 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11032 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11033 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11034 (cgraph_default_inline_p): Likewise.
11035 (cgraph_decide_inlining_incrementally): Likewise.
11036 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11037 (copy_bb): Kill saving; do updating of clones.
11038 (copy_cfg_body): Kill saving.
11039 (initialize_inlined-parameters): Likewise.
11040 (expand_call_inline): Likewise.
11042 (tree_function_versioning): New parameter "update_clones".
11043 (inlining_p): Kill saving.
11044 * tree-inline.h (tree_function_versioning): Update prototype.
11045 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11048 2006-01-11 Ian Lance Taylor <ian@airs.com>
11050 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11051 Allow undoing set of machine mode.
11052 (do_SUBST): Use enums instead of is_int.
11053 (do_SUBST_MODE): New function.
11054 (SUBST_MODE): New macro.
11055 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11056 reg and trying to replace reg_regno_rtx with a new register.
11057 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11058 (simplify_set): Use SUBST_MODE.
11059 (distribute_notes): Remove code that tried to update reg notes
11060 for regno_reg_rtx changes.
11062 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11064 PR tree-optimization/23109
11065 PR tree-optimization/23948
11066 PR tree-optimization/24123
11068 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11069 * tree-cfg.c (single_noncomplex_succ): New.
11070 * tree-flow.h (single_noncomplex_succ): Declare it.
11071 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11072 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11073 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11074 insert_bb, register_division_in, insert_reciprocals,
11075 replace_reciprocal, free_bb): New.
11076 (execute_cse_reciprocals_1): Rewritten.
11077 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11078 Do not commit any edge insertion. Always compute dominators and
11079 create the allocation pool.
11080 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11081 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11082 * targhooks.c (default_min_divistions_for_recip_mul): New.
11083 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11084 * passes.c (init_optimization_passes): Run recip after tree loop
11086 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11088 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11089 Kenneth Zadeck <zadeck@naturalbridge.com>
11091 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11092 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11093 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11094 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11095 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11096 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11097 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11098 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11099 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11100 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11101 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11102 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11103 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11104 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11105 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11106 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11107 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11108 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11109 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11110 DF_SCAN_POST_ALLOC): New macros.
11111 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11112 df_free_bb_function, df_local_compute_function, df_init_function,
11113 df_dataflow_function, df_confluence_function_0,
11114 df_confluence_function_n, df_transfer_function,
11115 df_finalizer_function, df_free_function, df_dump_problem_function,
11116 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11117 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11118 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11119 df_urec_bb_info, ) New types.
11120 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11122 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11123 df_analyze_simple_change_some_blocks,
11124 df_analyze_simple_change_one_block, df_compact_blocks,
11125 df_bb_replace, df_bb_regno_last_use_find,
11126 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11127 df_insn_regno_def_p, df_find_def, df_find_use,
11128 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11129 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11130 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11131 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11132 debug_df_chain, df_get_dependent_problem, df_chain_create,
11133 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11134 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11135 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11136 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11137 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11138 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11139 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11140 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11141 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11142 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11143 df_reorganize_refs, df_set_state, df_hard_reg_init,
11144 df_read_modify_subreg_p) New public functions.
11145 * df-core.c: The core dataflow solver and glue routines for rtl
11147 (df_init, df_add_problem, df_set_blocks, df_finish,
11148 df_hybrid_search_forward, df_hybrid_search_backward,
11149 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11150 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11151 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11152 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11153 df_reg_defined, df_find_use, df_reg_used, df_dump,
11154 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11155 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11156 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11157 debug_df_useno, reset_df_after_reload): New functions.
11158 * df-scan.c: The scanning fuctions, once in df.c, completely
11159 rewritten so that they now fully model the functionality of
11160 register usage at the backend.
11161 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11162 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11163 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11164 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11165 df_get_artificial_defs, df_get_artificial_uses,
11166 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11167 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11168 df_refs_delete, df_reorganize_refs, df_set_state,
11169 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11170 df_def_record_1, df_defs_record, df_uses_record,
11171 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11172 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11173 df_record_exit_block_uses, df_hard_reg_init): New functions.
11175 * df-problems.c: Seven concrete dataflow problems that use the
11176 scanning in df-scan.c and are solved by the engine in df-core.c.
11177 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11178 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11179 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11180 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11181 df_ru_free_bb_info, df_ru_alloc,
11182 df_ru_bb_local_compute_process_def,
11183 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11184 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11185 df_ru_transfer_function, df_ru_free, df_ru_dump,
11186 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11187 df_rd_free_bb_info, df_rd_alloc,
11188 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11189 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11190 df_rd_transfer_function, df_rd_free, df_rd_dump,
11191 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11192 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11193 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11194 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11195 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11196 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11197 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11198 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11199 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11200 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11201 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11202 df_urec_mark_reg_use_for_earlyclobber,
11203 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11204 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11205 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11206 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11207 df_chain_create_bb_process_use, df_chain_create_bb,
11208 df_chain_finalize, df_chain_free, df_chains_dump,
11209 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11210 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11211 df_reg_lifetime): New functions.
11212 * df.c: Deleted file.
11213 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11214 consistent with new df api.
11215 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11216 rest_of_handle_sms): Ditto.
11217 * web.c (unionfind_union, union_defs, entry_register, web_main):
11219 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11220 invariant_expr_equal_p, find_defs, check_dependencies,
11221 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11222 free_inv_motion_data, move_loop_invariants): Ditto.
11223 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11224 Update dependencies.
11225 (odf.c): Added defective entry that was deleted later in day.
11226 * sched-deps.c (sched_analyze_1): Ditto.
11228 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11230 * tree-ssa-operands.c (get_expr_operands): Record addressable
11231 variables directly. Do not call add_stmt_operands for CONST_DECLs
11233 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11234 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11236 2006-01-11 Ben Elliston <bje@au.ibm.com>
11238 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11239 function returns true in the positive case.
11241 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11244 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11245 for SI, DI, SF and DF modes. Add alternatives to copy between
11246 general and floating point registers to the 32-bit patterns.
11247 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11248 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11249 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11250 generating 64-bit code.
11251 * config/pa/pa.c (output_move_double): Handle copies between general
11252 and floating registers.
11254 2006-01-10 Stuart Hastings <stuart@apple.com>
11256 * config/i386/i386.md (set_got): Update.
11257 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11258 (builtin_setjmp_receiver): Mach-O support.
11259 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11260 (GOT_SYMBOL_NAME): Define.
11261 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11262 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11263 * config/i386/i386.c (override_options): Revise for Darwin.
11264 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11265 support. (darwin_x86_file_end): New. (output_set_got): Add label
11266 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11267 * config/i386/i386-protos.h (output_set_got): Likewise.
11268 * config/darwin.c (machopic_legitimize_pic_address): Update
11271 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11273 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11274 when MODE isn't BLKmode.
11276 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11278 PR rtl-optimization/25367
11279 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11281 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11284 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11285 for a negative bound.
11287 2006-01-10 Richard Guenther <rguenther@suse.de>
11289 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11290 Never override with anything constraint.
11292 2006-01-10 Jan Beulich <jbeulich@novell.com>
11294 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11295 256 bits when optimize_size.
11297 2006-01-10 Jan Beulich <jbeulich@novell.com>
11299 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11301 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11302 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11305 2006-01-10 Ben Elliston <bje@au.ibm.com>
11307 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11309 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11310 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11311 (USE_FP_FOR_ARG): Reject decimal float modes.
11312 (function_arg_advance): Likewise.
11313 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11314 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11315 point types in AltiVec vectors.
11316 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11317 (rs6000_libcall_value): Likewise.
11319 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11321 * config/xtensa/ieee754-df.S: New file.
11322 * config/xtensa/ieee754-sf.S: New file.
11323 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11324 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11325 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11327 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11329 * config/sh/predicates.md (binary_float_operator,
11330 binary_logical_operator, commutative_float_operator,
11331 equality_comparison_operator, greater_comparison_operator,
11332 less_comparison_operator, logical_operator,
11333 noncommutative_float_operator, shift_operator,
11334 symbol_ref_operand, unary_float_operator): Remove redundant
11337 2006-01-09 Jeff Law <law@redhat.com>
11339 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11340 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11341 now unused arguments. Callers updated.
11342 (eliminate_redundant_computations): Remove now unused arguments,
11344 (local_fold): Remove, no longer used.
11345 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11347 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11348 (simplify_cond): New function.
11349 (forward_propagate_into_cond): Call simplify_cond.
11351 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11353 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11354 (*vec_extractv2di_1_sse): New.
11356 2006-01-09 Ben Elliston <bje@au.ibm.com>
11358 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11360 2006-01-08 Richard Guenther <rguenther@suse.de>
11362 * tree-ssa-structalias.c (get_constraint_for): Remove
11363 anyoffset argument.
11364 (get_constraint_for_component_ref): Likewise.
11365 (do_deref): Likewise.
11366 (get_constraint_for): Likewise.
11367 (do_structure_copy): Likewise.
11368 (handle_ptr_arith): Likewise.
11369 (find_func_aliases): Likewise. Remove unused need_anyoffset
11372 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11373 Kaz Kojima <kkojima@gcc.gnu.org>
11375 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11376 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11377 (EXTRA_CONSTRAINT_C16): Remove.
11378 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11379 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11380 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11381 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11382 constants of SHmedia. Handle nested constant expressions of
11384 (andcosts): Fix the costs for SHmedia constants.
11385 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11386 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11387 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11388 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11389 (movv4hi_i, movv2si_i): Likewise.
11390 (movsi_const): Adjust the second operand of ior so to match with
11391 the Csu constraint.
11392 (movdi_const, movdi_const_32bit): Likewise.
11393 (movdi_const_16bit+1): Don't sign-extend LOW.
11394 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11396 (*double_shori): Fix the split condition. Use GEN_INT instead
11397 of get_int_mode calls. Mask lower 16-bit of the argument of
11399 (sym2GOTPLT): Remove.
11400 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11402 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11403 instead of EXTRA_CONSTRAINT_C16.
11405 2006-01-07 Ian Lance Taylor <ian@airs.com>
11406 David Edelsohn <edelsohn@gnu.org>
11408 PR rtl-optimization/25662
11409 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11410 for constant operands instead of simplify_gen_binary.
11411 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11412 after trying simplify_binary_operation
11414 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11416 * tree.c (iterative_hash_expr): Hash decls based on UID.
11418 2006-01-06 Eric Christopher <echristo@apple.com>
11420 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11421 (TARGET_UNWIND_EMIT): Fix spelling.
11422 * target.h (gcc_target): Add except_table_label.
11423 * except.c (output_function_exception_table): Use.
11424 * varasm.c (default_emit_except_table_label): New.
11425 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11427 (asm_out): Add here.
11428 * output.h (default_emit_except_table_label): Prototype.
11429 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11430 * config/darwin.c (darwin_emit_except_table_label): Define.
11431 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11433 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11435 PR tree-optimization/18527
11436 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11437 number_of_iterations_special, number_of_iterations_exit):
11438 Move base and step of an iv to a single structure. Add
11439 no_overflow flag, and use it in # of iterations analysis.
11440 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11441 folded_casts argument.
11442 (simple_iv): Pass base and step in a structure. Set no_overflow
11444 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11445 Evaluate expensiveness of computing # of iterations instead of
11446 the final expression.
11447 * tree-scalar-evolution.h (affine_iv): New structure.
11448 (simple_iv): Declaration changed.
11449 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11450 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11451 find_givs_in_stmt): Changed due to simple_iv change.
11453 2006-01-06 Jeff Law <law@redhat.com>
11456 * tree-cfg.c (bsi_replace): Rename final argument from
11457 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11458 change (stmt -> orig_stmt).
11459 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11460 (bsi_remove): Add new argument. Remove EH information
11462 (verify_eh_throw_table_statements): New function.
11463 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11465 * tree-optimize.c (execute_free_cfg_annotations): Verify
11466 the EH throw statement table after removing annotations.
11467 * except.h (verify_eh_throw_table_statements): Prototype.
11468 * tree-flow.h (bsi_remove): Update prototype.
11469 * tree-vrp.c (remove_range_assertions): Add new argument to
11471 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11472 * tree-complex.c (expand_complex_div_wide): Likewise.
11473 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11474 * tree-tailcall.c (eliminate_tailcall): Likewise.
11475 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11476 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11477 * tree-nrv.c (tree_nrv): Likewise.
11478 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11479 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11480 (combine_blocks): Likewise.
11481 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11482 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11483 (cleanup_control_flow): Likewise.
11484 (remove_forwarder_block): Likewise.
11485 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11486 * tree-sra.c (sra_replace): Likewise.
11487 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11488 (forward_propagate_single_use_vars): Likewise.
11489 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11490 * tree-inline.c (expand_call_inline): Likewise.
11491 * tree-vect-transform.c (vect_transform_loop): Likewise.
11492 * tree-outof-ssa.c (rewrite_trees): Likewise.
11493 * tree-cfg.c (make_goto_expr_edges): Likewise.
11494 (cleanup_dead_labels): Likewise.
11495 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11496 (bsi_move_before, bsi_move_after): Likewise.
11497 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11498 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11500 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11503 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11505 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11506 on non gimple variables. Also add checks at the top for decls and
11508 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11510 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11511 and IMAGPART_EXPR for creating MUST_DEFs.
11512 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11513 and NAME_MEMORY_TAG separately from the DECLs.
11515 2006-01-06 Richard Guenther <rguenther@suse.de>
11517 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11518 annotation, if necessary.
11519 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11520 redundant calls to update_stmt.
11521 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11524 2006-01-05 Richard Henderson <rth@redhat.com>
11526 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11528 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11530 * c-typeck.c: Update copyright date.
11532 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11534 * c-typeck.c (build_c_cast): Always warn when casting
11535 from a pointer to an integer of different size, even if
11536 the node was constant.
11538 2006-01-05 Richard Guenther <rguenther@suse.de>
11540 PR tree-optimization/22555
11541 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11542 if one structure field is an array.
11543 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11544 operands even if we found a subvar, but ignore VOPs in this
11546 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11548 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11550 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11552 PR middle-end/24998
11553 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11555 2006-01-05 Richard Guenther <rguenther@suse.de>
11556 Diego Novillo <dnovillo@redhat.com>
11558 * tree-pass.h (TODO_remove_unused_locals): Define.
11559 * gimple-low.c (expand_var_p, remove_useless_vars,
11560 pass_remove_useless_vars): Remove. Update all users.
11561 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11562 (remove_unused_locals): New function.
11563 * tree-flow.h (remove_unused_locals): Declare.
11564 * passes.c (execute_todo): Call remove_unused_locals if
11565 TODO_remove_unused_locals is set.
11566 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11567 * tree-ssa-dce.c (pass_dce): Likewise.
11568 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11570 2006-01-05 Richard Guenther <rguenther@suse.de>
11572 * tree-flow.h (struct fieldoff): Decompose field to
11573 type, size and decl.
11574 * tree-ssa-alias.c (create_sft): Take type as parameter.
11575 (create_overlap_variables_for): Store type, size and decl
11576 in the fieldoff structure.
11577 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11578 of struct fieldoff.
11579 (push_fields_onto_fieldstack): Likewise.
11580 (create_variable_info_for): Likewise. Use offset for the
11581 SFT name if the decl is not available.
11583 2006-01-04 Paul Brook <paul@codesourcery.com>
11585 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11587 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11589 * lambda-code.c (can_put_in_inner_loop): Relax
11591 (can_put_after_inner_loop): New function.
11592 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11593 (perfect_nestify): Change to make copies and modify uses.
11595 2006-01-04 Richard Henderson <rth@redhat.com>
11597 Merge from gomp branch:
11598 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11599 via integer constant.
11600 (pragma_lex): Remove.
11601 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11602 rather than parsing it.
11603 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11604 handle_pragma_extern_prefix): Add %< %> quotes.
11605 (registered_pragmas): New.
11606 (c_register_pragma_1): New.
11607 (c_register_pragma): Use it.
11608 (c_register_pragma_with_expansion): Likewise.
11609 (c_invoke_pragma_handler): New.
11610 (init_pragma): Use cpp_register_deferred_pragma directly for
11612 * c-pragma.h (enum pragma_kind): New.
11613 (pragma_handler): New.
11614 (c_invoke_pragma_handler): Declare.
11615 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11617 * c-common.h (c_common_pch_pragma): Update decl.
11618 * Makefile.in (c-parser.o): Update dependencies.
11619 (GTFILES): Add c-pragma.h.
11620 * c-parser.c (struct c_token): Add pragma_kind.
11621 (struct c_parser): Add in_pragma.
11622 (c_lex_one_token): Always initialize keyword and pragma_kind.
11623 Extract data for CPP_PRAGMA.
11624 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11625 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11626 Don't allow CPP_PRAGMA_EOL if in_pragma.
11627 (c_parser_consume_pragma): New.
11628 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11629 (c_parser_skip_to_end_of_parameter): Likewise.
11630 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11631 (c_parser_skip_to_pragma_eol): New.
11632 (c_parser_external_declaration): Handle CPP_PRAGMA.
11633 (c_parser_compound_statement_nostart): Likewise.
11634 (c_parser_statement_after_labels): Likewise.
11635 (c_parser_pragma): New.
11636 (pragma_lex): Likewise.
11637 (c_parser_pragma_pch_preprocess): New.
11638 (c_parser_new): Merge into ...
11639 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11641 2006-01-04 Jeff Law <law@redhat.com>
11644 * tree-cfg.c (bsi_replace): Remove the original statement
11645 from the EH throw statement table.
11647 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11649 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11650 make the prototype extern "C" and add throw ().
11653 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11654 and pos non-negative and pos + len <= 32.
11655 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11656 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11657 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11660 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11661 as well as sizes not multiple of component size.
11664 * function.c (instantiate_expr): New function.
11665 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11666 walk its DECL_VALUE_EXPR with instantiate_expr.
11668 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11669 DW_OP_deref{,_size} if address isn't going to be added.
11671 2006-01-04 Ben Elliston <bje@au.ibm.com>
11673 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11674 * config/fp-bit.c: Likewise.
11676 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11678 * dominance.c: Add comment about why we use DFS numbering
11681 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11682 Richard Henderson <rth@redhat.com>
11684 Merge from gomp-branch:
11685 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11686 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11688 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11690 PR rtl-optimization/25578
11691 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11692 pass a parameter to simplify_shift_const if changing ASHIFTRT
11695 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11697 * builtins.c (get_builtin_sync_mem): New function.
11698 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11699 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11700 Call get_builtin_sync_mem to generate mem rtx.
11702 2006-01-03 Richard Guenther <rguenther@suse.de>
11705 * stmt.c (add_case_node): Make sure to clear overflow flags
11708 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11710 Merge from gomp-branch.
11711 * config/sparc/sync.md: New file.
11712 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11713 UNSPECV_LDSTUB): New constants.
11714 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11715 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11716 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11719 2006-01-03 Roger Sayle <roger@eyesopen.com>
11721 * combine.c (reg_subword_p): New predicate to test whether the
11722 destination of a set refers to a subword/piece of a register.
11723 (try_combine): Generalize the code to merge the setting of a
11724 pseudo to a constant followed by a set of a subword of that
11725 register to a constant.
11727 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11729 * basic-block.h (control_flow_graph): Change the type of
11730 x_label_to_block_map to VEC(basic_block,gc) *.
11731 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11732 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11734 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11735 VEC(basic_block,heap) *.
11736 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11737 ssa_prop_fini): Adjust the uses of cfg_blocks.
11739 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11741 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11743 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11744 hashing trees instead of a pointer hash.
11745 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11746 compare for MEM_EXPR.
11748 PR rtl-optimization/25130
11749 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11750 when comparing MEMs for GCSE
11752 2006-01-03 Ben Elliston <bje@au.ibm.com>
11754 * targhooks.h (default_decimal_float_supported_p): Declare.
11755 * targhooks.c (default_decimal_float_supported_p): Define.
11756 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11757 `default_decimal_float_supported_p'.
11758 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11760 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11762 * combine.c (apply_distributive_law <SUBREG>): Check
11763 TRULY_NOOP_TRUNCATION.
11765 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11767 * dwarf2out.c (have_switched_text_section): Delete.
11768 (have_multiple_function_sections): New.
11769 (have_location_lists): Make 'bool'.
11770 (add_AT_loc_list): Use 'true' not '1'.
11771 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11772 (output_loc_list): Use have_multiple_function_sections.
11773 (output_ranges): Likewise.
11774 (dwarf2out_begin_function): Set have_multiple_function_sections if
11776 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11777 Check function_section rather than DECL_SECTION_NAME.
11778 (dwarf2out_finish): Use have_multiple_function_sections.
11779 Don't clear have_location_lists.
11781 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11782 Jan Hubicka <jh@suse.cz>
11784 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11785 case of conditional jump jumping to the next instruction.
11786 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11787 cases of conditional jump jumping to the next instruction.
11789 2006-01-02 Jan Hubicka <jh@suse.cz>
11791 * i386.c (*_cost): Add COSTS_N_INSNS.
11792 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11794 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11797 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11799 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11801 * config/arm/arm.c (all_fpus): Fix comment typo.
11802 * config/darwin.c: Likewise.
11803 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11804 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11805 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11807 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11809 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11810 (rs6000_split_compare_and_swapqhi): New.
11811 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11812 (sync_compare_and_swapqhi_internal): New.
11813 * config/rs6000/rs6000-protos.h: Declare.