1 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4 a shift operand before calling shift_op. Avoid redundant call of
7 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8 DJ Delorie <dj@redhat.com>
10 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11 we're inserting is a singlt-bit constant.
13 2006-05-30 Roger Sayle <roger@eyesopen.com>
15 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
16 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
18 2006-05-30 Roger Sayle <roger@eyesopen.com>
20 PR tree-optimization/23452
21 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
22 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
23 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
24 complex values and with -ffast-math for FP complex values.
26 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
28 * c-common.h: Remove the prototype for yyparse.
29 * rtl.h: Remove the prototype for init_loop.
31 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
33 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
36 2006-05-30 Roger Sayle <roger@eyesopen.com>
38 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
40 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
41 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
43 2006-05-30 Dirk Mueller <dmueller@suse.de>
46 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
47 for CONSTANT_CLASS_P expresisons.
49 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
52 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
54 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
56 PR tree-optimization/27779
57 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
58 initial_condition instead of CHREC_LEFT.
60 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
62 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
63 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
64 Make prototypes ISO C90.
66 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
67 Leehod Baruch <leehod.baruch@weizmann.ac.il>
69 * see.c (see_analyze_one_def): Correct check.
70 (see_get_extension_data): Check if extension is parallel.
71 (see_get_extension_reg): Likewise.
73 2006-05-30 Uros Bizjak <uros@kss-loka.si>
76 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
77 into register for (code == GTU).
79 2006-05-29 Roger Sayle <roger@eyesopen.com>
81 PR tree-optimization/24964
82 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
83 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
84 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
85 abs(x)*abs(x) as x*x for scalar floating point modes.
87 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
90 * lambda-code.c (perfect_nestify): Don't copy statements
91 in the inner loop: move them to the inner loop header.
93 2006-05-29 Diego Novillo <dnovillo@redhat.com>
96 * c-tree.texi: Document OpenMP directives and clauses.
98 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
100 * varasm.c (globalize_decl): Fix indentation.
102 2006-05-29 Diego Novillo <dnovillo@redhat.com>
105 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
106 pass_fre, pass_store_ccp, pass_copy_prop,
107 pass_store_copy_prop, pass_merge_phi, pass_nrv,
108 pass_return_slot, pass_object_size, pass_lim,
109 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
110 pass_loop_prefetch and pass_stdarg.
112 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
114 * config/bfin/bfin.opt (mfdpic): New option.
115 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
116 (EXTRA_MULTILIB_PARTS): Likewise.
117 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
118 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
120 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
121 (CRT_CALL_STATIC_FUNCTION): New.
122 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
124 (CRT_CALL_STATIC_FUNCTION): New.
125 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
127 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
128 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
129 (initialize_trampoline): Changed to handle FD-PIC code generation.
130 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
131 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
132 (override_options): Disallow -mid-shared-library -mfdpic combination.
133 Can't do unaligned ops if FD-PIC.
134 Turn off flag_pic if trying to generate non-id-shared-library
135 non-fdpic code, since it's not supported.
136 (bfin_assemble_integer): New function.
137 (TARGET_ASM_INTEGER): Define.
138 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
140 * config/bfin/crtn.s: Restore them.
141 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
143 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
144 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
145 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
146 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
147 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
149 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
150 FDPIC_REGS and FDPIC_FPTR_REGS.
151 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
152 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
153 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
154 (load_funcdescsi): New pattern.
155 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
156 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
157 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
159 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
161 * gcse.c, rtlanal.c: Remove obsolete comments associated with
164 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
166 * tree-flow.h: Remove the prototype for add_type_alias.
167 * tree-ssa-alias.c (add_type_alias): Remove.
169 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
171 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
172 config/fr30/fr30.md, config/i386/i386-interix.h,
173 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
174 config/sh/superh64.h, config/v850/v850.c, df-core.c,
175 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
176 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
177 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
178 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
179 Follow spelling conventions.
180 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
181 Follow spelling conventions.
183 2006-05-27 Richard Guenther <rguenther@suse.de>
186 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
187 to produce a constant of value 1 of generic type.
189 2006-05-27 Dirk Mueller <dmueller@suse.de>
191 * cgraphunit.c (decide_is_function_needed): Fix wrong
194 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
196 PR rtl-optimization/27661
197 * reload.c (find_reloads): When reloading a VOIDmode constant
198 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
199 use Pmode as mode of the reload register.
201 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
203 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
204 is enabled at -O and above.
206 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
209 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
212 2006-05-25 Mark Mitchell <mark@codesourcery.com>
215 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
216 for anonymous variables explicitly declared by front ends.
218 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
220 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
221 (struct alias_info): Add new field ref_all_symbol_mem_tag.
222 * tree-ssa-alias.c (compute_may_aliases): If the program contains
223 ref-all pointers, run a finalization pass for them.
224 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
225 (finalize_ref_all_pointers): New function.
226 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
227 regular pointer type to a ref-all pointer type.
228 (get_tmt_for): Return the special memory tag for ref-all pointers.
230 2006-05-25 Richard Guenther <rguenther@suse.de>
233 * fold-const.c (fold_binary): Do not look at the stripped
234 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
236 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
238 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
239 for LT and GT if the computed range is effectively empty.
241 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
244 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
245 mips_quad_format formats instead of ieee_single_format,
246 ieee_double_format and ieee_quad_format formats, respectively.
248 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
250 PR tree-optimization/27639
251 PR tree-optimization/26719
252 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
253 call to scev_probably_wraps_p.
254 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
255 used_in_pointer_arithmetic_p, convert_step): Removed.
256 (nowrap_type_p): New function.
257 (scev_probably_wraps_p): Rewritten.
258 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
259 chrec_convert if chrec_convert_aggressive might have been used.
260 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
261 scev_direction): New functions.
262 (chrec_convert): Changed to a wrapper over chrec_convert_1.
263 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
264 instead of convert_step.
265 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
266 (convert_step): Declaration removed.
267 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
269 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
271 * df-core.c: Added to header comments.
272 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
273 df_ur_bb_info, df_urec_bb_info): Added comments.
274 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
275 urec, ri problems): Fixed header comments.
276 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
277 code from df_rd_transfer_function.
279 2006-05-23 Richard Sandiford <richard@codesourcery.com>
281 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
282 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
283 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
285 2006-05-23 Joseph Myers <joseph@codesourcery.com>
287 * expr.c (undefined_operand_subword_p): New.
288 (emit_move_multi_word): Do not generate move from undefined bits
289 of a paradoxical subreg.
291 2006-05-23 Richard Sandiford <richard@codesourcery.com>
293 PR rtl-optimization/27736
294 * combine.c (replaced_rhs_value): New variable.
295 (combine_instructions): Set it.
296 (distribute_notes): When distributing a note in replaced_rhs_insn,
297 check whether the value was used in replaced_rhs_value.
299 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
302 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
303 add_referenced_var instead of add_referenced_tmp_var.
304 * tree-complex.c (create_one_component_var): Use add_referenced_var.
305 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
307 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
308 tree_optimize_tail_calls_1): Use add_referenced_var.
309 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
310 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
311 Use add_referenced_var.
312 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
313 * gimplify.c (force_gimple_operand): Use add_referenced_var.
314 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
315 Use add_referenced_var.
316 * tree-dfa.c (struct walk_state): Remove.
317 (find_referenced_vars): Remove walk state and vars_found hash table.
318 (make_rename_temp): Use add_referenced_var.
319 (find_vars_r): Pass less parameters to add_referenced_var.
320 (referenced_var_p): New. Is var in referenced_var hash table.
321 (referenced_var_insert): Assert var isn't already in hash table.
322 (add_referenced_var): Don't need walk_state parameter. Add var if it
323 isn't already in the hash table.
324 (add_referenced_tmp_var): Remove.
325 (find_new_referenced_vars_1): Use add_referenced_var.
326 * tree-ssa-pre.c (create_expression_by_pieces,
327 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
328 Use add_referenced_var.
329 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
330 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
331 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
333 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
334 vect_create_data_ref_ptr, vect_create_destination_var,
335 vect_init_vector, vect_build_loop_niters,
336 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
337 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
338 Use add_referenced_var.
339 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
340 * tree-flow.h (add_referenced_tmp_var): Remove prototype
341 (add_referenced_var): Add prototype.
342 * tree-ssa-structalias.c (get_constraint_for,
343 intra_create_variable_infos): Use add_referenced_var.
345 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
347 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
348 big-endian paradoxical subregs.
349 * var-tracking.c (struct micro_operation_def): Document that,
350 for modify micro operations, insn is the subsequent instruction.
351 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
352 (var_reg_set, var_mem_set): ... new functions.
353 (add_stores): Record subsequent insn.
354 (compute_bb_dataflow): Use new functions for MO_USE.
355 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
356 notes after the insn, and modify notes before the insn known
357 to be the subsequent one.
358 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
360 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
363 * config/i386/i386.c (ix86_expand_builtin): Use
364 gen_sse3_monitor64 for TARGET_64BIT.
366 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
368 PR rtl-optimization/26375
369 PR rtl-optimization/26855
370 * df-problems (df_ru_bb_local_compute_process_def): Removed update
372 (df_ru_bb_local_compute): Reversed statements and removed bogus
373 comment explaining why they should be in wrong order.
374 (df_ru_dump, df_rd_dump): Enhanced debug info.
375 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
377 * ddg.c (add_deps_for_def): Converted use of reaching defs to
378 reaching uses and fixed space problem.
380 2006-05-23 Jan Hubicka <jh@suse.cz>
382 * cgraphunit.c (decide_is_function_needed): Also nested functions
383 and functions declared inline can be optimized out at -O0.
385 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
387 * doc/install.texi (Configuration): Remove reference to CrossGCC
388 FAQ which was hijacked.
391 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
394 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
395 ix86_compare_emitted is non-NULL.
397 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
400 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
403 2006-05-22 Richard Sandiford <richard@codesourcery.com>
405 PR rtl-optimization/25514
406 * combine.c (replaced_rhs_insn): New variable.
407 (combine_instructions): Set replaced_rhs_insn when trying to replace
408 a SET_SRC with a REG_EQUAL note.
409 (distribute_notes): Use replaced_rhs_insn when determining the live
410 range of a REG_DEAD register.
412 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
413 Anatoly Sokolov <aesok@post.ru>
415 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
416 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
417 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
418 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
419 atmega3290, atmega649, atmega6490, atmega406, atmega640,
420 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
421 at90usb647, at90usb1286 and at90usb1287 devices.
422 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
423 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
425 2006-05-22 Richard Sandiford <richard@codesourcery.com>
427 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
429 2006-05-22 Richard Guenther <rguenther@suse.de>
432 2006-01-31 Richard Guenther <rguenther@suse.de>
433 Paolo Bonzini <bonzini@gnu.org>
435 * doc/install.texi (--disable-libgcc-math): Document.
437 2006-05-22 Richard Guenther <rguenther@suse.de>
440 2006-01-31 Richard Guenther <rguenther@suse.de>
442 * doc/invoke.texi (-msselibm): Document.
443 * target.h (expand_library_builtin): New target hook.
444 * builtins.c (expand_builtin): Use expand_library_builtin.
445 (default_expand_library_builtin): New function.
446 * gcc.c (LINK_GCC_MATH_SPEC): Define.
447 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
448 (link_gcc_math_spec): Declare.
449 (static_specs): Add link_gcc_math_spec.
450 * expr.h (default_expand_library_builtin): Declare.
451 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
452 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
453 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
454 * config/i386/i386.opt (msselibm): New target option.
455 * config/i386/i386.c (ix86_builtin_function_variants): New array.
456 (ix86_init_sse_abi_builtins): New function.
457 (ix86_expand_library_builtin): Likewise.
458 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
459 (override_options): Handle error conditions wrt -msselibm.
460 (ix86_builtins): Add function codes for SSE2 ABI builtins.
461 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
462 * doc/extend.texi (__builtin_sse2_*): Document new target specific
465 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
468 * c-common.c (self_promoting_args_p): Skip erroneous args.
471 * c-decl.c (finish_struct): Skip erroneous fields.
473 2006-05-22 Nick Clifton <nickc@redhat.com>
475 * config/cris/cris.opt (march): Remove VarExists attribute.
476 (max-stackframe=): Likewise.
478 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
480 * doc/rtl.texi: Fix a typo.
481 * see.c: Fix comment typos.
483 * tree-ssa-structalias.h (alias_info): Remove num_references.
485 2006-05-21 Mike Stump <mrs@apple.com>
487 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
489 (darwin_pragma_options): Use BAD instead.
490 (darwin_pragma_unused): Likewise.
491 (darwin_pragma_ms_struct): Likewise.
493 2006-05-21 David Edelsohn <edelsohn@gnu.org>
495 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
497 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
499 PR rtl-optimization/27671
500 * simplify-rtx.c (simplify_relational_operation_1): Fix
501 simplifications of (eq/ne (xor x y) y) and
504 PR tree-optimization/26622.
505 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
508 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
510 * tree-cfg.c: Prune whitespace.
511 (debug_tree_cfg): Point to correct header containing the
514 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
517 * cgraphunit.c (verify_cgraph_node): Typo in error message.
519 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
522 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
523 or sorry count is non zero.
525 2006-05-20 Andreas Schwab <schwab@suse.de>
527 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
529 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
530 Kenneth Zadeck <zadeck@naturalbridge.com>
532 PR rtl-optimization/26855
534 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
536 (df_scan_alloc): Added code to properly handle multiword hard
537 registers and add all_blocks parameter.
538 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
539 code to properly handle multiword hard registers.
540 (df_rescan_blocks): Added code to remove deleted blocks from
542 (df_ref_create_structure, df_ref_record): Added code to properly
544 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
545 and set DF_REF_PARTIAL.
546 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
547 (df_uses_record): Added DF_REF_PARTIAL for subreg.
548 (df_scan_add_problem): Added flags parameter.
549 (df_ref_create_structure): Changed switching structure.
550 (df_bb_refs_record): Fixed case where duplicate artificial refs
551 were created. Changed location of flags.
552 (df_record_entry_block_defs): Added code to make stack pointer
553 live in entry block. Refined cases where frame pointer is needed.
554 Changed location of flags.
555 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
556 (df_set_state): Removed function.
557 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
558 df_insn_create_insn_record, df_insn_refs_delete,
559 df_ref_create_structure): Formatting changes.
560 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
561 df_delete_basic_block): New function.
562 (df_init): Changed location of flags.
563 (df_add_problem): Added flags parameter and the way flags are
565 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
566 debug_df_chain): Improved debugging output.
567 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
568 (df_refs_chain_dump): Removed df parameter.
569 (df_iterative_dataflow): Added consistency check.
570 (df_prune_to_subcfg): Made public.
571 (df_analyze_problem): Added blocks_to_init parameter and made
573 (df_ref_record, df_bb_refs_record, df_mark_reg,
574 df_record_exit_block_uses): Whitespace changes.
575 (df_dump): Whitespace changes.
576 * df.h: Some reordering to remove forward references.
577 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
578 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
579 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
580 (dataflow.flags): New field.
581 (df.flag): Deleted field.
582 (df_alloc_function): Added additional bitmap parameter.
583 (df_dependent_problem_function): New type.
584 (df_problem.changeable_flags): New field.
585 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
586 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
587 (df_mw_hardreg): New struct.
588 (DF_INSN_UID_MWS): New macro.
589 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
591 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
592 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
593 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
594 (df_set_state): Removed function.
595 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
596 * df-problems.c (df_chain_dump): Removed df parameter.
597 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
598 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
600 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
601 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
602 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
603 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
604 DF_REF_MUST_CLOBBER cases.
605 (df_ru_bb_local_compute_process_def,
606 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
607 df_lr_bb_local_compute, df_ur_bb_local_compute,
608 df_chain_create_bb): Made subreg aware.
609 (df_ru_bb_local_compute, df_rd_bb_local_compute,
610 df_lr_bb_local_compute, df_lr_bb_local_compute,
611 df_chain_create_bb): Cleanup to use proper macros.
612 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
613 code to fixup bitvectors.
614 (df_ri_alloc): Cleared lifetime.
615 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
616 df_create_unused_note): New function.
617 (df_ri_bb_compute, df_ri_compute): Added code to create/update
618 REG_DEAD and REG_UNUSED notes as well as register information.
619 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
620 df_chains_dump): Fixed crash if problem was never run.
621 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
622 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
623 df_ri_add_problem): Processes flags in uniform manner.
624 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
625 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
626 df_rd_dump, df_urec_free_bb_info): Formatting changes.
627 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
628 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
629 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
630 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
631 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
632 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
633 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
634 * see.c (see_initialize_data): Ditto.
635 * final.c (rest_of_clean_state) Added regstack_completed.
636 * rtl.h (regstack_completed): Ditto.
637 * reg-stack.c (regstack_completed): Ditto.
639 2006-05-19 Mike Stump <mrs@apple.com>
641 * c-tree.h (default_conversion): Remove.
642 * c-common.h (default_conversion): Add.
644 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
646 * tree-vrp.c (valid_value_p): New function.
647 (adjust_range_with_scev): Fail if the value of bound is not
650 2006-05-19 Richard Sandiford <richard@codesourcery.com>
652 * config/mips/linux-unwind.h: Include <asm/unistd.h>
653 (mips_fallback_frame_state): Use syscall numbers to determine
654 the appropriate li instruction for the current ABI. Only use
655 __NR_sigreturn for o32.
657 2006-05-19 Nicolas Setton <setton@adacore.com>
659 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
660 * langhooks.c (lhd_dwarf_name): New function.
661 * langhooks-def.h (lhd_dwarf_name): Declare.
662 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
663 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
664 * ada/misc.c (gnat_dwarf_name): New function.
665 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
667 2006-05-19 Richard Sandiford <richard@codesourcery.com>
669 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
671 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
672 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
673 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
674 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
675 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
676 determine the size of Wtype, etc.
677 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
678 (swfloatfuncs): New variable.
679 (dwfloatfuncs): Likewise.
680 (lib2funcs): Remove floating-point conversion functions from
681 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
682 the set of conversion routines needed. Allow entries to specify
683 an object name, filename and word size. Update users accordingly.
684 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
685 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
689 2006-02-08 Roger Sayle <roger@eyesopen.com>
692 * config/fixtfdi.c: New libgcc source file.
693 * config/fixunstfdi.c: New source file.
694 * config/floatditf.c: New source file.
695 * config/floatunditf.c: New souce file.
696 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
697 files above instead of config/mips/_tilib.c.
698 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
700 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
702 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
703 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
705 2006-05-18 Mike Stump <mrs@apple.com>
707 Fix up vla, vm and [*] sematics.
713 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
714 (c_vla_unspec_p): Add.
716 * c-decl.c (struct c_scope): Add had_vla_unspec.
717 (build_array_declarator): Add support for [*].
718 (grokdeclarator): Likewise.
719 (grokparms): Likewise.
720 (get_parm_info): Likewise.
721 * c-objc-common.c (c_vla_unspec_p): Likewise.
722 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
723 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
724 typeof when argument is a variably modified type not inside sizeof or alignof.
725 (c_parser_direct_declarator_inner): Propagate errors.
726 (c_parser_sizeof_expression): Add support for [*].
727 (c_parser_parms_declarator): Initialize had_vla_unspec.
728 (c_parser_parms_list_declarator): Likewise.
729 * c-typeck.c (c_vla_type_p): Add.
730 (composite_type): Add support for vla compositing.
731 (comptypes_internal): Add support for vla compatibility.
732 (c_expr_sizeof_expr): Evaluate vla arguments.
733 * tree.c (variably_modified_type_p): Update comment for [*].
735 2006-05-18 Michael Matz <matz@suse.de>
738 * config.host: Make assignments to host_xmake_file cumulative.
739 * config.host (*-darwin*): Test $host, not $target.
741 2006-05-12 Stuart Hastings <stuart@apple.com>
743 * config/i386/i386.opt (-mstackrealign): New flag.
744 * config/i386/i386.c (force_align_arg_pointer): New attribute.
745 (ix86_handle_cconv_attribute): Emit error when
746 force_align_arg_pointer attribute collides with too many regparms.
747 (ix86_function_regparm): Limit regparms when used with
748 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
749 Support stack-realigning prologue in non-main functions. Emit
750 warning for nested functions under -mstackrealign, emit error for
751 nested functions with force_align_arg_pointer attribute.
752 * doc/extend.texi (force_align_arg_pointer): Document it.
753 * doc/invoke.texi (-mstackrealign): Document it.
755 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
757 PR rtl-optimization/27477
758 * combine.c (try_combine): Don't split a parallel consisting
759 of two sets into two individual sets if both sets reference
762 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
764 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
765 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
767 * doc/options.texi (VarExists): Updated.
769 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
771 * unwind-dw2.c: Add declarations for uw_update_context and
773 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
774 detected, advance frame state and context once to skip over stub.
776 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
780 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
781 Call rewrite_into_loop_closed_ssa only when something changed.
782 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
783 * lambda-code.c (can_convert_to_perfect_nest): Declared.
784 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
785 Test for perfect_nest_p here. Fix formating.
786 (replace_uses_equiv_to_x_with_y): Fix formating.
787 (stmt_uses_op): Removed.
788 (can_convert_to_perfect_nest): Removed loopivs parameter.
789 Complete the test by checking the scalar dependences.
790 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
793 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
796 From Dan Kegel <dank@kegel.com>:
797 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
799 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
801 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
802 if the element type is variably modified without recursing.
804 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
807 * tree-loop-linear.c (try_interchange_loops): Test for
810 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
812 PR tree-optimization/27548
813 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
814 range of ssa names that appear on abnormal edges.
815 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
816 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
818 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
821 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
823 2006-05-17 Jakub Jelinek <jakub@redhat.com>
826 * tree.h (OMP_PARALLEL_COMBINED): Define.
827 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
828 (new_omp_context): Add is_combined_parallel argument.
829 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
830 new_omp_context caller.
831 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
832 Adjust gimplify_scan_omp_clauses callers.
833 (omp_is_private): Issue errors if iteration variable is firstprivate
834 or reduction in the current context.
835 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
836 on combined parallel workshare constructs.
838 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
840 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
841 (gcc-options.o): New rule.
843 * optc-gen.awk: Protect variables for gcc-options.o with
844 #ifdef GCC_DRIVER/#endif.
846 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
848 Fix PR tree-optimization/27373
849 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
850 (forward_propagate_addr_expr): Update call.
852 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
854 * doc/options.texi: Move the Negative option.
856 2006-05-16 Richard Guenther <rguenther@suse.de>
858 PR tree-optimization/22303
859 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
861 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
862 ccp_fold did not simplify the statement.
864 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
867 * Makefile.in (GCC_OBJS): New.
868 (OBJS-common): Add opts-common.o.
869 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
870 (cpp$(exeext)): Likewise.
871 (gcc.o): Also depend on opts.h.
872 (opts-common.o): New.
874 * common.opt (gcoff): Add Negative(gdwarf-2).
875 (gdwarf-2): Add Negative(gstabs).
876 (gstabs): Add Negative(gstabs+).
877 (gstabs+): Add Negative(gvms).
878 (gvms): Add Negative(gxcoff).
879 (gxcoff): Add Negative(gxcoff+).
880 (gxcoff+): Add Negative(gcoff).
881 * config/i386/i386.opt (m32): Add Negative(m64).
882 (m64): Add Negative(m32).
884 * doc/options.texi: Document the Negative option.
886 * gcc.c: Include "opts.h".
887 (main): Call prune_options after expandargv.
889 * optc-gen.awk: Generate common declarations for all flag
890 variables in options.c. Output the neg_index field.
892 * opts.c (find_opt): Moved to ...
893 * opts-common.c: Here. New file.
895 * opts.h (cl_option): Add a neg_index field.
897 (prune_options): Likewise.
899 2006-05-16 Jakub Jelinek <jakub@redhat.com>
902 * omp-low.c (expand_omp_parallel): Don't assert
903 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
904 instead search for it.
907 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
910 2006-05-16 Andreas Schwab <schwab@suse.de>
912 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
915 2006-05-15 Roger Sayle <roger@eyesopen.com>
918 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
919 integer constants other than zero are only legitimate on TARGET_64BIT.
920 <CONST_VECTOR> Only zero vectors are legitimate.
921 (ix86_cannot_force_const_mem): Integral and vector constants can
922 always be put in the constant pool.
924 2006-05-16 DJ Delorie <dj@redhat.com>
926 * crtstuff.c (__dso_handle): Set section from
927 TARGET_LBIGCC_SDATA_SECTION if defined.
928 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
929 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
931 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
934 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
937 2006-05-16 Ben Elliston <bje@au.ibm.com>
939 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
941 2006-05-15 Per Bothner <per@bothner.com>
943 * tree.c: (last_annotated_node): Use sources_locus typedef.
944 This permits bootstrapping with --enable-mapped-location.
946 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
948 PR tree-optimization/26830
949 * tree-into-ssa.c (struct ssa_name_info): Add age field.
950 (info_for_ssa_name, current_info_for_ssa_name_age,
951 blocks_to_update): New variables.
952 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
953 (clear_ssa_name_info, initialize_flags_in_bb,
954 mark_block_for_update): New functions.
955 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
956 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
957 prepare_def_site_for): Use mark_block_for_update.
958 (mark_def_interesting): Assert that the processed block is marked in
959 blocks_to_update. Do not take blocks argument.
960 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
962 (rewrite_update_init_block, rewrite_update_stmt): Only process
963 blocks with statements to rewrite.
964 (delete_update_ssa): Do not clear SSA_NAME_AUX.
965 (update_ssa): Initialize and free blocks_to_update. Do not
966 clear flags on statements. Do not use blocks bitmap.
967 * tree.h (SSA_NAME_AUX): Removed.
968 (struct tree_ssa_name): Removed aux field.
969 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
971 2006-05-15 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/27603
974 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
975 Do computations in original type.
977 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
979 * see.c: Code style changes such as redundant paranthesis,
980 redundant intialization of local variables etc.
981 (see_main): Declared now as static.
982 * doc/invoke.texi: Update that -fsee is not enabled by
985 2006-05-15 Jakub Jelinek <jakub@redhat.com>
987 * omp-low.c (check_omp_nesting_restrictions): New function.
988 (scan_omp_1): Call it.
991 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
992 construct, return *VAR.
994 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
996 PR rtl-optimization/27406
997 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1000 2006-05-14 Roger Sayle <roger@eyesopen.com>
1002 PR rtl-optimization/27538
1003 * combine.c (expand_compound_operation): Call gen_lowpart
1004 before calling simplify_shift_const.
1006 2006-05-14 Roger Sayle <roger@eyesopen.com>
1008 PR rtl-optimization/22563
1009 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1010 a fixed width bitfield, always force the intermediates into psuedos.
1012 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1015 * mkconfig.sh: Use operator = instead of == for test.
1017 2006-05-13 Nick Clifton <nickc@redhat.com>
1019 * dwarf2out.c (dbx_reg_number): Check return value from
1020 LEAF_REG_REMAP and only use it if it is valid.
1021 (multiple_reg_loc_descriptor): Likewise.
1023 2006-05-13 Richard Guenther <rguenther@suse.de>
1025 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1028 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1030 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1031 information attached to non-INSNs such as NOTEs.
1032 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1034 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1036 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1038 * config/s390/s390.md: Adjust comment describing On constraint.
1040 2006-05-11 Jan Hubicka <jh@suse.cz>
1042 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1043 to be output at -O0.
1045 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1048 * fold-const.c (size_binop): Move sanity check for arguments to
1049 the beginning of the function.
1052 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1055 2006-05-11 Richard Guenther <rguenther@suse.de>
1058 * fold-const.c (fold_unary): Handle intermediate conversion
1059 to a pointer type like intermediate conversion to an integer
1060 type in folding of (T1)(T2)var to var.
1061 Match the code to the comment in the final conversion for
1062 (T1)(T2)var to (T1)var regarding to type precision. Rather
1063 than disallow T1 being of pointer type, assert that both T1
1064 and var are of pointer type or not. Make sure not to fall
1065 over the frontends lazyness wrt array to pointer decay though.
1067 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1069 * arm.c (arm_struct_value_rtx): Delete.
1070 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1071 (arm_init_cumulative_args): Always initialize nregs to zero.
1073 2006-05-10 Richard Guenther <rguenther@suse.de>
1075 PR tree-optimization/27532
1076 * tree-object-size.c (plus_expr_object_size): Fix typo.
1078 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1081 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1082 ashrdi_const, ashrdi3): Use a scratch register.
1084 2006-05-10 Richard Guenther <rguenther@suse.de>
1086 PR tree-optimization/27302
1087 * fold-const.c (operand_equal_p): For two comparisons,
1088 try comparison of one comparison code swapped if that yields
1091 2006-05-10 Ben Elliston <bje@au.ibm.com>
1093 * tree-pretty-print.c (pretty_print_string): No need to handle
1094 '\0' as a special character.
1096 * tree.h: Include "hashtab.h".
1097 (iterative_hash_expr): Use hashval_t in its prototype.
1098 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1100 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1103 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1104 (hppa*64*-*-hpux11*): Ditto.
1105 (hppa[12]*-*-hpux11*): Ditto.
1107 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1110 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1112 2006-05-09 Michael Matz <matz@suse.de>
1114 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1115 host_extra_gcc_objs and host_xmake_file.
1116 (<*-*-linux*>): Don't overwrite host_xmake_file.
1117 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1118 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1119 (host_detect_local_cpu): Declare.
1120 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1121 * config/i386/i386.c (override_options): Handle -mtune=native
1123 * config/i386/x-i386: New file.
1124 * config/i386/driver-i386.c: New file.
1125 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1128 2006-05-09 Dirk Mueller <dmueller@suse.de>
1129 Richard Guenther <rguenther@suse.de>
1132 * fold-const.c (fold_read_from_constant_string): Relax check
1133 for matching types to matching modes.
1135 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1137 PR rtl-optimization/27335
1138 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1141 2006-05-08 Chao-ying Fu <fu@mips.com>
1142 Richard Sandiford <richard@codesourcery.com>
1144 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1145 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1146 * config/mips/mips.md (UNSPEC_SCC): New constant.
1147 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1148 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1149 (mips_emit_compare): Use it.
1150 (mips_expand_vcondv2sf): New function.
1152 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1154 Fix PR tree-optimization/27093
1155 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1156 renaming when they become not-used_alone.
1158 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1160 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1161 relocation and relocation stubs.
1163 2006-05-08 Eric Christopher <echristo@apple.com>
1165 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1168 2006-05-08 Jan Hubicka <jh@suse.cz>
1171 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1172 unused static functions are needed.
1174 2006-05-08 Roger Sayle <roger@eyesopen.com>
1177 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1178 of a reg_equiv_constant if the result is a legitimate constant.
1180 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1183 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1184 standard 80387 constants, raise the cost to prevent
1185 compress_float_constant() to generate load from memory.
1187 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1189 * config/arm/constraints.md (c): Fix a typo.
1191 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1194 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1197 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1199 (_mm_mwait): Likewise.
1201 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1203 (sse3_monitor): Make it 32bit only.
1204 (sse3_monitor64): New. 64bit monitor.
1206 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1209 * config/i386/i386.c (classify_argument): Skip fields with invalid
1212 2006-05-07 Richard Guenther <rguenther@suse.de>
1214 PR tree-optimization/27409
1215 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1216 Do not try to find zero-sized subvars.
1218 2006-05-07 Richard Guenther <rguenther@suse.de>
1220 PR tree-optimization/27136
1221 * tree-ssa-loop-niter.c (get_val_for): Correct function
1222 comment, assert requirements.
1223 (loop_niter_by_eval): Stop processing if the iterated
1224 value did not simplify.
1226 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1228 * opts.c (flag_see): remove its setting at -O3.
1230 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1232 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1233 * arm/constraints.md: New file.
1234 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1235 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1236 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1237 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1238 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1239 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1240 * arm.md: Include constraints.md.
1241 (thumb_movsi_insn): Use satisfies_constraint_J.
1242 (movhi, movqi): Use satisfies_constraint_I.
1244 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1246 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1247 for atmeg a645 device.
1249 2006-05-06 Richard Guenther <rguenther@suse.de>
1251 PR tree-optimization/27151
1252 * tree-vect-transform.c (vectorizable_condition): Punt on
1253 values that have a different type than the condition.
1255 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1258 * c-parser.c (c_parser_cast_expression): Only insert casts into
1259 hash table if pointer.
1260 * function.c (used_types_insert_helper): Rename from
1262 (used_types_insert): Call used_types_insert_helper.
1263 * function.h (used_types_insert): Accept only one argument.
1265 2006-05-05 David Edelsohn <edesohn@gnu.org>
1267 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1268 scratch with output modifier.
1270 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1273 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1274 with output modifier.
1276 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1279 * config/mips/mips.c (mips_symbolic_address_p): Return true
1280 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1281 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1283 2006-05-04 Richard Guenther <rguenther@suse.de>
1285 PR tree-optimization/14287
1286 PR tree-optimization/14844
1287 PR tree-optimization/19792
1288 PR tree-optimization/21608
1289 PR tree-optimization/27090
1290 * tree-ssa-pre.c (try_combine_conversion): New function.
1291 (compute_avail): After constructing the value-handle
1292 expression, use try_combine_conversion to combine NOP_EXPRs
1293 with previous value-handle expressions and use the result if it
1296 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1298 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1300 2006-05-04 Jan Hubicka <jh@suse.cz>
1303 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1305 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1307 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1308 that this only matches CONST_INTs. All users changed to VOIDmode
1311 * config/bfin/bfin.c: Include "optabs.h".
1312 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1314 (enum bfin_builtins): Add a number of fractional and vector builtins.
1315 (bfin_init_builtins): Likewise.
1316 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1317 (safe_vector_operand, bfin_expand_binop_builtin,
1318 bfin_expand_unop_builtin): New functions.
1319 (bfin_expand_builtin): Handle the new builtins.
1320 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1323 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1326 * Makefile.in (OBJS-common): Add see.o.
1327 (see.o): Add dependencies.
1328 * common.opt (fsee): New flag for the see optimization was added.
1329 * opts.c (flag_see): Initialized.
1330 * passes.c (init_optimization_passes, pass_see): New pass.
1331 * rtl.h (see_main): Declaration as extern.
1332 * timevar.def (TV_SEE): New.
1333 * tree-pass.h (pass_see): Declaration as extern.
1334 * invoke.texi (-fsee): Document.
1335 * recog.c (validate_simplify_insn): New function.
1336 * recog.h (validate_simplify_insn): Declaration as extern.
1337 * df-problems.c (df_chain_dump): Check for NULL.
1339 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1340 Daniel Berlin <dberlin@dberlin.org>
1342 * cfgrtl.c (insert_insn_bb_end_new): New function.
1343 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1345 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1347 * df.h (struct web_entry): Moved from web.c.
1348 (union_defs): Declaration as extern.
1349 (unionfind_root): Likewise.
1350 (unionfind_union): Likewise.
1351 * web.c (struct web_entry): Moved to df.h.
1352 (unionfind_root): Remove static declaration.
1353 (unionfind_union): Likewise.
1354 (union_defs): Likewise and generalize to use callback function.
1355 (web_main): Update arguments for union_defs function call.
1357 2006-05-04 Richard Guenther <rguenther@suse.de>
1359 PR tree-optimization/26447
1360 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1361 produce SSA_NAME copies before the store stmt to avoid
1362 breaking exception handling.
1364 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1367 * gimplify.c (omp_is_private): If var is shared in some outer context,
1368 return false instead of true. Stop searching on parallel context
1371 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1374 * coverage.c: Use get_gcov_unsigned_t() instead of
1375 unsigned_type_node all over.
1377 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1379 PR tree-optimization/27381
1380 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1381 maintain the same immediate_use links.
1382 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1383 node rather than segfaulting.
1385 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1388 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1389 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1390 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1392 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1394 Fix PR tree-optimization/26626
1395 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1397 * tree-ssa-operands.c (access_can_touch_variable): Allow
1398 typecasting through union pointers.
1400 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1403 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1404 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1405 to find if var will be a global variable even in the nested context.
1406 (omp_copy_decl): Only check for global variable at the end, it might
1407 be overridden in outer contexts.
1408 (scan_sharing_clauses): For global variables don't create a field.
1409 (lower_rec_input_clauses): Do nothing for global shared variables.
1410 Emit a barrier at the end of ILIST if there were any decls in both
1411 firstprivate and lastprivate clauses.
1412 (lower_send_clauses): Do nothing for global variables except for
1415 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1417 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1418 of the correct signedness is returned.
1420 2006-05-02 Jeff Law <law@redhat.com>
1422 PR tree-optimization/27364
1423 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1424 multiply expressions.
1426 2006-05-02 Tom Tromey <tromey@redhat.com>
1428 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1430 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1433 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1434 -mthumb -fPIC are used.
1436 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1437 Joshua Kinard <kumba@gentoo.org>
1440 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1441 with 64-bit pointers.
1443 2006-05-02 Paul Brook <paul@codesourcery.com>
1445 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1447 (create_fix_barrier): Check that a suitable barrier location is
1449 (arm_reorg): Include ftmp->address in allowable range of addresses.
1451 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1454 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1457 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1460 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1461 around RESULT_DECL for result passed by reference.
1462 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1463 * omp-low.c (use_pointer_for_field): Don't look at
1464 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1465 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1466 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1467 time or var for passing by reference for
1468 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1469 TREE_ADDRESSABLE variables when passing by reference.
1471 * omp-low.c (dump_omp_region): Fix output formatting.
1474 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1475 (expand_omp_parallel): Likewise.
1476 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1479 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1480 on statement list containing also constructors and destructors.
1481 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1484 * except.c (duplicate_eh_regions): Fix clearing of
1485 cfun->eh->region_array entries.
1487 2006-05-01 DJ Delorie <dj@redhat.com>
1489 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1491 (gcc_cv_objdump): Likewise.
1492 * configure: Regenerated.
1494 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1497 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1498 templates for case 3 and 4.
1500 2006-05-01 DJ Delorie <dj@redhat.com>
1502 * vec.c: Include bconfig.h when appropriate.
1503 * Makefile.in (build/vec.o): Adjust dependencies.
1504 * mkconfig.sh: Make sure config.h isn't used for build machine
1507 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1509 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1511 (mark_phi_for_rewrite): New function.
1512 (insert_phi_nodes_for, mark_use_interesting): Call
1513 mark_phi_for_rewrite.
1514 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1515 (update_ssa): Initialize and free phis_to_rewrite.
1517 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1519 PR rtl-optimization/27291
1520 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1521 folded to a constant.
1523 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1525 PR tree-optimization/27283
1526 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1527 not whole # of iteration descriptions.
1528 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1529 uses abnormal ssa name.
1530 (niter_for_single_dom_exit): Ditto.
1531 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1532 return just the number of iterations.
1534 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1536 PR tree-optimization/27144
1537 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1538 (record_estimate): Only record constant upper bound.
1539 (infer_loop_bounds_from_undefined): Call
1540 compute_estimated_nb_iterations just once.
1541 (proved_non_wrapping_p): Renamed to ...
1542 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1543 (convert_step_widening, scev_probably_wraps_p): Call
1544 n_of_executions_at_most instead of proved_non_wrapping_p.
1545 (substitute_in_loop_info): Do not replace values in bounds.
1546 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1549 2006-05-01 Richard Henderson <rth@redhat.com>
1552 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1553 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1556 2006-05-01 Roger Sayle <roger@eyesopen.com>
1558 * c-typeck.c (parser_build_binary_op): Don't call the function
1559 unsigned_conversion_warning to spot operand/result type overflow.
1560 (build_binary_op): Instead, call convert_and_check instead of
1561 convert to report the problem when the operands are promoted.
1562 * c-common.c (unsigned_conversion_warning): Make static.
1563 * c-common.h (unsigned_conversion_warning): Delete prototype.
1565 2006-05-01 Richard Guenther <rguenther@suse.de>
1567 PR tree-optimization/26726
1568 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1570 (find_interesting_uses_address): ... we work around here
1571 by folding INDIRECT_REFs in the substituted base.
1573 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1575 * omp-low.c (dump_omp_region): Add newlines.
1577 2006-04-30 Roger Sayle <roger@eyesopen.com>
1579 * common.opt (Woverflow): New command line option.
1580 * c-common.c (constant_expression_warning): Check warn_overflow.
1581 (overflow_waring): Pass OPT_Woverflow to warning.
1582 (unsigned_conversion_warning): Likewise.
1583 (convert_and_check): Likewise.
1584 * doc/invoke.texi: Document new command line option.
1586 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1588 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1589 TARGET_NO_FP_IN_TOC for section anchors.
1590 (optimization_options): Enable section anchors for all
1591 non-"Objective" languages.
1593 2006-04-28 Eric Christopher <echristo@apple.com>
1595 * config/darwin-c.c (darwin_ms_struct): Move this
1596 (darwin_set_default_type_attributes): and this...
1597 * config/darwin.c: ... here.
1598 * config/darwin.h (darwin_ms_struct): Declare.
1600 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1602 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1604 2006-04-28 Roger Sayle <roger@eyesopen.com>
1607 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1608 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1609 an unsigned HOST_WIDE_INT.
1610 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1612 (really_start_incremental_init): No need to call convert because
1613 bitsize_zero_node is already of type bitsizetype.
1614 (push_init_level): Extract the value of constructor_index as an
1615 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1616 (process_init_element): Likewise.
1618 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1620 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1621 value before passing to make_relative_prefix.
1623 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1626 * builtins.c (expand_builtin_memset): Expand val in original mode.
1628 2006-04-27 Eric Christopher <echristo@apple.com>
1630 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1631 with #ifndef/#endif.
1632 * config/darwin-c.c (darwin_ms_struct): New.
1633 (darwin_pragma_ms_struct): Ditto.
1634 (darwin_set_default_type_attributes): Ditto.
1635 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1636 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1637 Register ms_struct pragma.
1638 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1639 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1640 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1641 darwin_set_default_type_attributes if TARGET_MACHO.
1643 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1645 PR tree-optimization/26854
1646 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1647 * doc/tree-ssa.texi: Update immuse iterator documentation.
1648 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1650 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1651 first_safe_imm_use, next_safe_imm_use): Remove.
1652 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1653 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1654 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1655 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1656 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1657 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1658 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1659 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1660 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1661 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1662 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1663 (perfect_nestify): Use new iterator.
1664 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1666 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1667 (next_imm_name): New field in struct immediate_use_iterator_d.
1668 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1669 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1670 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1671 * tree-cfg.c (replace_uses_by): Use new iterator.
1672 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1673 * tree-ssa-operands.c (correct_use_link): Remove.
1674 (finalize_ssa_use_ops): No longer call correct_use_link.
1676 2006-04-27 Stuart Hastings <stuart@apple.com>
1678 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1679 * config/t-darwin (crt3.o): Use it.
1680 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1681 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1682 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1683 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1684 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1687 2006-04-27 Roger Sayle <roger@eyesopen.com>
1689 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1690 size, force the intermediate into a new pseudo rather instead of
1691 performing both a bitwise AND and a bitwise IOR in memory.
1693 2006-04-27 Richard Guenther <rguenther@suse.de>
1695 PR rtl-optimization/26685
1696 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1697 this one "max-flow-memory-locations".
1699 2006-04-27 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/25148
1702 * tree-vrp.c (compare_values): Remove code dealing with
1703 comparisons against type min/max value. Honour overflow
1704 and negative constants in code dealing with comparisons
1705 of plus and minus expressions.
1706 (value_inside_range): Use fold_binary with LE_EXPR and
1707 GE_EXPR rather than compare_values.
1709 2006-04-27 Dirk Mueller <dmueller@suse.de>
1711 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1714 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1716 * basic-block.h (safe_insert_insn_on_edge): Removed.
1717 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1719 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1720 Paolo Bonzini <bonzini@gnu.org>
1723 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1724 (simplify_and_const_int): Same.
1726 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1728 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1730 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1733 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1734 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1735 cgraph_global_info_ready.
1738 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1741 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1742 either decl or init is error_mark_node.
1745 * tree-flow.h (struct omp_region): Add sched_kind.
1746 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1747 instead of extracting omp for data.
1748 (expand_omp_for): Save extracted sched_kind.
1750 2006-04-25 Roger Sayle <roger@eyesopen.com>
1752 * expmed.c (store_bit_field): Also check whether the bitsize is
1753 valid for the machine's "insv" instruction before moving the
1754 target into a pseudo for use with the insv.
1755 * config/i386/predicates.md (const8_operand): New predicate.
1756 * config/i386/i386.md (extv, extzv, insv): Use the new
1757 const8_operand predicate where appropriate.
1759 2006-04-25 DJ Delorie <dj@redhat.com>
1761 * doc/install.texi (Specific): Clarify that this is not a list of
1762 supported hosts or targets.
1764 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1766 PR rtl-optimization/26725
1767 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1768 block's BB_DIRTY flag.
1770 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1772 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1775 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1776 to print an integer.
1778 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1780 * varasm.c (align_variable): New function.
1781 (get_block_for_decl): Apply align_variable to DECL before
1782 calculating section information.
1783 (assemble_variable): Split out alignment computation.
1785 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1787 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1790 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1792 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1793 MODE_PARTIAL_INT mode.
1794 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1795 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1797 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1798 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1800 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1802 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1804 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1805 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1806 MACFLAG_IH): Likewise.
1807 (movstricthi_1): Renamed from "*movstricthi".
1808 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1809 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1810 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1811 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1812 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1813 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1814 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1815 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1816 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1817 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1818 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1819 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1820 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1821 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1822 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1824 * doc/rtl.texi (ss_ashift): Improve wording.
1826 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1828 * dwarf2out.c (verify_marks_clear): New.
1829 (prune_unused_types): Call verify_marks_clear initially, not
1832 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1834 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1835 * doc/rtl.texi: Document them.
1836 * simplify-rtx.c (simplify_unary_operation,
1837 simplify_binary_operation_1): Don't abort when we see them.
1839 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1842 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1843 * configure.ac: Completely disregard languages that are not
1845 * configure: Regenerated.
1847 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1848 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/27236
1851 * tree-inline.c (copy_body_r): Make sure to copy
1852 TREE_THIS_VOLATILE flag.
1854 2006-04-24 Richard Guenther <rguenther@suse.de>
1857 * tree-complex.c (update_parameter_components): Don't handle
1858 unused parameters which have no default def.
1860 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1861 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/27218
1864 * tree-inline.c (expand_call_inline): Strip useless type
1865 conversions for the return slot address.
1867 2006-04-24 Richard Guenther <rguenther@suse.de>
1869 * cfgloop.h (struct loops): Remove unused field array. Reorder
1871 (LOOP_PREFETCH): Remove.
1873 2006-04-24 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/22525
1876 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1877 variable, adjust types of generated expressions.
1879 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1881 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1882 (tree-vect-patterns.o): Likewise.
1884 (cselib.o): Likewise.
1885 (loop-doloop.o): Likewise.
1886 (regclass.o): Likewise.
1887 (reload1.o): Likewise.
1888 (explow.o): Replace target.h with $(TARGET_H).
1889 (ipa-prop.o): Likewise.
1890 (ipa-cp.o): Likewise.
1891 (ipa-inline.o): Likewise.
1892 (reorg.o): Likewise.
1893 (reg-stack.o): Likewise.
1895 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1897 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1899 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1901 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1903 * configure.ac: Completely disregard languages that are not
1905 * configure: Regenerated.
1908 * c-common.h (c_build_bitfield_integer_type): Declare.
1909 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1910 * c-common.c (c_build_bitfield_integer_type): ... here.
1912 2006-04-23 Roger Sayle <roger@eyesopen.com>
1915 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1916 a SImode SUBREG of a floating point register after no_new_pseudos.
1918 2006-04-23 Roger Sayle <roger@eyesopen.com>
1920 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1921 identify potentially eliminable registers to additionally catch
1922 VIRTUAL_INCOMING_ARGS_REGNUM.
1923 (addsi3): Update the conditions on when to use addsi_small_int.
1925 2006-04-23 Roger Sayle <roger@eyesopen.com>
1928 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1929 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1930 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1932 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1934 * fold-const.c (range_predecessor): Use operand_equal_p
1935 as the predicate for equality.
1936 (range_successor): Likewise.
1938 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1941 * config/soft-fp/op-common.h: Fix a typo.
1943 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1946 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1947 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1949 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1951 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1953 * doc/tm.texi: Fix a typo.
1955 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1957 * dwarf2out.c (struct die_struct): Document that die_sib makes
1958 a circular linked list.
1959 (FOR_EACH_CHILD): New.
1960 (reverse_die_lists): Delete.
1961 (reverse_all_dies): Delete.
1962 (add_dwarf_attr): Correct documentation.
1963 (remove_child_with_prev): New.
1964 (remove_child_TAG): Update for change to die_struct, use
1965 remove_child_with_prev.
1966 (add_child_die): Update for change to die_struct.
1967 (splice_child_die): Use remove_child_with_prev and add_child_die.
1968 (print_die): Use FOR_EACH_CHILD.
1969 (die_checksum): Likewise.
1970 (assign_symbol_names): Likewise.
1971 (output_location_lists): Likewise.
1972 (build_abbrev_table): Likewise.
1973 (calc_die_sizes): Likewise.
1974 (mark_dies): Likewise.
1975 (unmark_dies): Likewise.
1976 (unmark_all_dies): Likewise.
1977 (output_die): Likewise.
1978 (prune_unused_types_mark): Likewise.
1979 (prune_unused_types_walk): Likewise.
1980 (same_die_p): Update for change to die_struct.
1981 (break_out_includes): Likewise.
1982 (prune_unused_types_prune): Likewise.
1983 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1984 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1986 (dwarf2out_finish): Don't call reverse_all_dies.
1988 2006-04-21 Eric Christopher <echristo@apple.com>
1990 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1991 in comments and function names.
1993 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1996 * c-typeck.c (digest_init): Robustify.
1998 * c-typeck.c (pop_init_level): Simplify.
2000 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2002 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2004 2006-04-21 Paul Brook <paul@codesourcery.com>
2006 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2007 hardware floating point.
2009 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2011 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2014 2006-04-21 Nick Clifton <nickc@redhat.com>
2016 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2019 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2022 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2023 C++ lang type in traceback table for Objective-C++.
2025 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2027 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2029 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2031 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2034 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2035 were errors. Remove check for erroneous objects.
2037 2006-04-20 Jeff Law <law@redhat.com>
2039 PR tree-optimization/26854
2040 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2041 checking for zero or one use.
2042 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2043 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2044 * tree-ssa-reassoc.c (negate_value): Similarly.
2045 (reassociate_bb): Similarly.
2047 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2049 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2050 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2051 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2053 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2055 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2056 fp regs if the last fp arg doesn't fit in regs.
2058 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2061 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2062 that the last insn has the REG_INC note.
2064 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2065 Nathan Sidwell <nathan@codesourcery.com>
2068 * stor-layout.c (update_alignment_for_field): Do not align
2070 (place_union_field): Place union field at the start of the union.
2071 (place_field): Move ERROR_MARK check later, and use the current
2072 allocation position to maintain monotonicity.
2074 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2076 * dominance.c: Include timevar.h.
2077 (calculate_dominance_info): Use TV_DOMINANCE.
2078 * timevar.def (TV_DOMINANCE): New timevar.
2079 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2081 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2083 PR rtl-optimization/14261
2084 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2085 move would be an INSV insn.
2086 (noce_process_if_block): Don't optimize if the destination is a
2087 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2089 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2091 * config/s390/s390.md: Add comments with the instructions emitted
2092 by an insn pattern if macros are used.
2094 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2096 PR rtl-optimization/26026
2097 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2098 is a known power of two shifted left a variable amount.
2100 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2102 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2103 to hash table twice when the debug_str section has SECTION_MERGE.
2105 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2107 * config/soft-fp: New directory. From glibc.
2108 * config/soft-fp/t-softfp: New.
2109 * config/soft-fp/README: New.
2110 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2111 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2112 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2113 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2114 * config.gcc: Use rs6000/t-fprules-fpbit or
2115 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2117 * config/rs6000/sfp-machine.h: New. Based on glibc.
2118 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2120 * config/rs6000/t-fprules: Remove fp-bit rules.
2121 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2122 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2123 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2124 (softfp_wrap_start, softfp_wrap_end): New.
2126 2006-04-18 DJ Delorie <dj@redhat.com>
2128 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2130 2006-04-18 Devang Patel <dpatel@apple.com>
2132 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2134 2006-04-18 Nick Clifton <nickc@redhat.com>
2136 * config/sh/t-symbian: Add rule to build sh-c.o
2137 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2138 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2139 (sh_symbian_encode_section_info): Likewise.
2141 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2143 * builtins.c (expand_builtin_strcmp): Cover label definition of
2144 do_libcall with HAVE_cmpstrnsi.
2146 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2148 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2150 * function.h (temp_slot_p): New.
2151 (function): Change the type of x_used_temp_slots to
2152 VEC(temp_slot_p,gc) *.
2154 2006-04-18 Nick Clifton <nickc@redhat.com>
2156 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2157 flag_strength_reduce.
2159 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2161 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2165 Partial revert of revision 112637
2166 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2167 Dale Johannesen <dalej@apple.com>
2170 * regclass.c (struct reg_pref): Update documentation.
2171 (regclass): Set prefclass to NO_REGS if memory is the best option.
2172 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2174 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2176 PR tree-optimization/26821
2177 * tree-ssa-math-opts.c (get_constant_one): New.
2178 (insert_reciprocals): Use it.
2180 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2182 * dwarf2out.c (free_AT): Delete.
2183 (remove_AT): Update string ref counts.
2184 (remove_child_TAG): Don't call free_die.
2186 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2187 or DW_TAG_GNU_EINCL.
2188 (prune_unused_types_walk_attribs): Reset string refcounts.
2189 (prune_unused_types_update_strings): New.
2190 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2191 call free_die. Do call prune_unused_types_update_strings.
2192 (prune_unused_types): Empty debug_str_hash.
2194 2006-04-17 Roger Sayle <roger@eyesopen.com>
2196 * expr.c (expand_assignment): Optimize away no-op moves where the
2197 source and destination are equal and have no side-effects.
2199 2006-04-17 Richard Guenther <rguenther@suse.de>
2202 * reload.c (push_reload): Guard calls to get_secondary_mem
2205 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2207 * alias.c (reg_base_value, old_reg_base_value): Change the
2208 type to VEC(rtx,gc) *.
2209 (REG_BASE_VALUE, find_base_value, record_set,
2210 init_alias_analysis): Use VEC instead of VARRAY.
2212 * alias.c (alias_sets): Change the type to
2213 VEC(alias_set_entry,gc) *.
2214 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2215 VEC instead of VARRAY.
2216 (last_alias_set): Remove.
2218 * cgraph.h (cgraph_edge_p): New.
2219 Update the prototype of cgraph_function_versioning.
2220 * cgraphunit.c (cgraph_copy_node_for_versioning,
2221 cgraph_function_versioning): Use VEC instead of VARRAY.
2222 * ipa-cp.c (ipcp_insert_stage): Likewise.
2224 2006-04-16 Roger Sayle <roger@eyesopen.com>
2227 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2228 "A op B" or "A op C", we may need to convert A to the type of B and C.
2230 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2232 * target.h (struct gcc_target): Add mode_rep_extended.
2233 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2234 (init_num_sign_bit_copies_in_rep): Initialize it using
2236 (truncate_to_mode): Use it.
2237 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2238 * targhooks.h (default_mode_rep_extended): Declare it.
2239 * targhooks.c (default_mode_rep_extended): Define it.
2240 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2241 default_mode_rep_extended.
2242 (TARGET_INITIALIZER): Include it.
2243 * doc/tm.texi (Misc): Document it.
2244 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2245 (mips_truncated_to_mode): New function.
2247 2006-04-16 Roger Sayle <roger@eyesopen.com>
2250 * expr.c (compress_float_constant): Copy the narrow constant into
2251 a new pseudo before extending it to its final width.
2253 2006-04-16 Roger Sayle <roger@eyesopen.com>
2254 Andrew Pinski <pinskia@gcc.gnu.org>
2255 Dale Johannesen <dalej@apple.com>
2258 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2259 special case code to implement V8HImode and V16QImode with SSE2.
2261 2006-04-15 Roger Sayle <roger@eyesopen.com>
2263 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2264 trees are constructed with a suitable tree type.
2266 2006-04-15 Roger Sayle <roger@eyesopen.com>
2268 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2269 (integer_onep): Likewise.
2270 (integer_all_onesp): Likewise.
2271 (integer_pow2p): Likewise.
2272 (integer_nonzerop): Likewise.
2273 (real_zerop): Likewise.
2274 (real_onep): Likewise.
2275 (real_twop): Likewise.
2276 (real_minus_onep): Likewise.
2277 (int_size_in_bytes): Likewise.
2278 (host_integerp): Likewise.
2280 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2282 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2283 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2284 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2286 * tree-ssa-structalias.h (alias_info): Remove num_references.
2288 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2290 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2291 (output_bvb patterns): Likewise.
2292 * pa.c (output_bb): Use 'bb' insn for long branch case.
2293 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2294 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2295 1. Correct length operand for alternatives 1 and 2.
2296 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2297 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2299 2006-04-14 Roger Sayle <roger@eyesopen.com>
2301 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2302 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2303 were accidentally reverted by r112959.
2305 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2308 * except.h (eh_region_outermost): New prototype.
2309 * except.c (eh_region_outermost): New function.
2310 * tree-cfg.c (find_outermost_region_in_block): Use it.
2312 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2314 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2316 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2317 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2318 (init_reload, reload): Use VEC instead of VARRAY.
2319 * reload.h: Update the prototype for
2320 reg_equiv_memory_loc_varray.
2322 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2323 Eric Botcazou <ebotcazou@libertysurf.fr>
2325 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2328 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2331 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2332 to expand fallback builtin function call.
2334 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2337 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2338 and emit libcall here in case the builtin fails.
2339 (expand_builtin_strcmp): Always emit the libcall here on failure.
2341 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2343 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2344 * flow.c (reg_n_info): Change the type to
2345 VEC(reg_info_p,heap) *.
2346 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2348 * regs.h (reg_info_p): New.
2349 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2350 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2351 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2354 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2356 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2358 * params.h (MAX_SCHED_READY_INSNS): New macro.
2359 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2360 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2361 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2362 the ready list for 1 cycle during the first scheduling pass.
2363 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2365 2006-04-13 Richard Henderson <rth@redhat.com>
2368 * gimple-low.c (lower_omp_directive): Remove dead code.
2369 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2370 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2371 * omp-low.c (struct omp_region): Move to tree-flow.h.
2372 (root_omp_region): Export.
2373 (omp_regions, lookup_omp_region): Remove.
2374 (determine_parallel_type): Update for struct omp_region changes.
2375 (dump_omp_region): Dump regions with block numbers.
2376 (new_omp_region): Take type and block instead of stmt; malloc
2378 (free_omp_region_1, free_omp_regions): New.
2379 (expand_parallel_call): Take entry_stmt as argument; update for
2380 changes to omp_region.
2381 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2382 (remove_exit_barriers): New.
2383 (expand_omp_parallel): Update for struct omp_region changes.
2384 (expand_omp_synch): Likewise.
2385 (expand_omp): Likewise.
2386 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2387 (expand_omp_for_static_chunk): Likewise.
2388 (expand_omp_for): Likewise.
2389 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2390 (expand_omp_sections): Similarly, with GOMP_sections_end.
2391 (expand_omp_single): New.
2392 (build_omp_regions_1): Update for OMP_CONTINUE.
2393 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2394 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2395 OMP_SECTIONS_SECTIONS.
2396 (lower_omp_single_simple): Don't emit barrier here.
2397 (lower_omp_single_copy): Likewise.
2398 (lower_omp_single): Fix bindings, and lower to straightline now.
2399 (lower_omp_master, lower_omp_ordered): Likewise.
2400 (lower_omp_critical): Likewise.
2401 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2402 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2403 omp edges, free it afterward.
2404 (make_omp_sections_edges): Remove.
2405 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2406 (move_stmt_r): Handle OMP_CONTINUE.
2407 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2408 statement pointers to basic blocks. Add type member.
2409 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2410 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2411 * tree-inline.c (estimate_num_insns_1): Likewise.
2412 * tree-pretty-print.c (dump_generic_node): Likewise.
2413 * tree-ssa-operands.c (get_expr_operands): Likewise.
2414 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2415 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2416 (OMP_CONTINUE): New.
2417 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2418 (OMP_SECTIONS_SECTIONS): Remove.
2419 (OMP_SECTION_LAST): New.
2420 (OMP_RETURN_NOWAIT): New.
2422 2006-04-13 Roger Sayle <roger@eyesopen.com>
2424 * fold-const.c (native_encode_vector, native_interpret_real):
2425 Correct obvious mistakes in the previous check-in.
2427 2006-04-13 Roger Sayle <roger@eyesopen.com>
2429 * fold-const.c (native_encode_expr): New function to encode
2430 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2431 or VECTOR_CST into a specified buffer.
2432 (native_encode_int): New function.
2433 (native_encode_real): New function.
2434 (native_encode_complex): New function.
2435 (native_encode_vector): New function.
2436 (native_interpret_expr): Inverse of native_encode_expr to convert
2437 a target representation into an INTEGER_CST, REAL_CST etc...
2438 (native_interpret_int): New function.
2439 (native_interpret_real): New function.
2440 (native_interpret_complex): New function.
2441 (native_interpret_vector): New function.
2442 (fold_view_convert_expr): New function to constant fold/evaluate
2443 a VIEW_CONVERT_EXPR of a suitable constant expression.
2444 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2445 Change call of build1 to fold_build1 when constructing a
2448 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2449 Ulrich Weigand <uweigand@de.ibm.com>
2452 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2455 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2458 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2459 optimize to lo_sum for DFmode if !TARGET_FPRS.
2461 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2463 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2464 delete_alias_info, compute_flow_sensitive_aliasing,
2465 group_aliases): Use VEC instead of VARRAY.
2466 * tree-ssa-structalias.c (update_alias_info): Likewise.
2467 * tree-ssa-structalias.h (alias_info): Change the type of
2468 processed_ptrs to VEC(tree,heap) *.
2470 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2473 * config/sh/lib1funcs.h: New file, broken out of:
2474 * config/sh/lib1funcs.asm.
2475 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2477 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2478 * config/sh/lib1funcs-Os-4-200.asm: New file.
2479 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2480 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2481 (EXTRA_MULTILIB_PARTS): Include it.
2482 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2483 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2484 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2485 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2488 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2490 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2491 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2492 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2494 * tree-ssa-live.h: Include vecprim.h.
2495 (tree_partition_associator_d): Change the type of
2496 first_partition to VEC(int,heap) *.
2497 (tpa_first_partition): Use VEC instead of VARRAY.
2499 * Makefile.in (GTFILES): Move functions.h after tree.h.
2500 * function.c (reset_block_changes, record_block_change,
2501 check_block_change, free_block_changes): Use VEC instead of
2503 * function.h (function): Change the type of
2504 ib_boundaries_block to VEC(tree,gc) *.
2505 * tree-inline.c (copy_cfg_body): Initialize
2506 ib_boundaries_block to NULL instead of (varray_type) 0.
2508 2006-04-12 Roger Sayle <roger@eyesopen.com>
2510 * expr.c (emit_group_store): Correct operand order in call to
2511 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2512 a SUBREG_BYTE of zero.
2514 2006-04-12 Richard Guenther <rguenther@suse.de>
2516 * profile.c (compute_branch_probabilities): Remove code
2517 encapsulated in !ir_type (), which are remanents of the
2518 removed RTL profiling code.
2519 * rtl-profile.c: Remove.
2521 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2523 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2524 magic NULL_RTX comment.
2525 (function_arg): Store entire fp arg to mem if any part should go
2527 (rs6000_arg_partial_bytes): Adjust for above change.
2529 2006-04-11 Roger Sayle <roger@eyesopen.com>
2531 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2532 if it hasn't been initialized by dwarf2out_init.
2534 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2536 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2537 symbolic constants in branch patterns.
2539 2006-04-11 Roger Sayle <roger@eyesopen.com>
2541 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2543 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2545 PR rtl-optimization/27073
2546 * gcse.c (try_replace_reg): Revert last change. Continue to search
2547 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2550 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2552 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2553 aggregate types other than record and union types.
2554 (function_arg): Likewise.
2555 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2557 (function_value): In 64-bit mode, return objects that require it
2560 2006-04-11 Roger Sayle <roger@eyesopen.com>
2562 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2564 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2566 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2568 2006-04-03 Jeff Law <law@redhat.com>
2571 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2572 alias information too.
2574 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2576 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2578 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2581 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2582 (premark_used_types_helper): New.
2583 (premark_used_types): New.
2584 (gen_subprogram_die): Call premark_used_types.
2585 (prune_unused_types_walk): Do not prune perennial dies.
2586 * function.c (used_types_insert): New.
2587 * function.h (struct function): Add used_types_hash field.
2588 (used_types_insert): Add prototype.
2589 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2590 * c-parser.c (c_parser_cast_expression): Save casted types in used
2593 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2596 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2597 rs6000_explicit_options.float_gprs.
2599 2006-04-10 Roger Sayle <roger@eyesopen.com>
2601 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2602 from ix86_expand_vector_init_low_nonzero. Take an additional
2603 one_var argument indicating which element is non-zero. Support
2604 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2605 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2606 with one_var instead of ix86_expand_vector_init_low_nonzero.
2608 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2610 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2611 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2612 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2613 build/genextract.o): Depend on vecprim.h.
2614 * cfglayout.c, df-problems.c, function.c, genextract.c,
2615 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2616 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2620 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2622 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2623 Declare VECs of this type.
2624 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2625 (remove_children): Delete.
2626 (add_dwarf_attr): Use VEC routines.
2627 (add_AT_flag): Update for changes to add_dwarf_attr.
2628 (add_AT_int): Likewise.
2629 (add_AT_unsigned): Likewise.
2630 (add_AT_long_long): Likewise.
2631 (add_AT_vec): Likewise.
2632 (add_AT_string): Likewise.
2633 (add_AT_die_ref): Likewise.
2634 (add_AT_fde_ref): Likewise.
2635 (add_AT_loc): Likewise.
2636 (add_AT_loc_list): Likewise.
2637 (add_AT_addr): Likewise.
2638 (add_AT_lbl_id): Likewise.
2639 (add_AT_lineptr): Likewise.
2640 (add_AT_macptr): Likewise.
2641 (add_AT_offset): Likewise.
2642 (add_AT_range_list): Likewise.
2643 (get_AT): Use VEC_iterate.
2644 (remove_AT): Use VEC_ordered_remove.
2645 (free_die): Fold remove_children into here; have it use VEC_iterate.
2646 (print_die): Use VEC_iterate on attrs.
2647 (reverse_die_lists): Don't reverse attr lists.
2648 (die_checksum): Use VEC_iterate on attrs.
2649 (same_die_p): Likewise.
2650 (output_location_lists): Likewise.
2651 (build_abbrev_table): Likewise.
2652 (size_of_die): Likewise.
2653 (unmark_all_dies): Likewise.
2654 (output_abbrev_section): Likewise.
2655 (output_die): Likewise.
2656 (prune_unused_types_walk_attribs): Likewise.
2658 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2660 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2662 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2665 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2667 2006-04-09 Roger Sayle <roger@eyesopen.com>
2669 * expr.c (store_constructor): Don't bother clearing target if
2670 we're about to assign a vector to it using vec_init_optab.
2672 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2674 * tree-ssa-alias.c (lhs_may_store_to): New function.
2675 (recalculate_used_alone): Handle LHS of calls.
2677 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2681 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2682 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2683 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2684 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2685 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2686 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2687 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2688 stubs. Add ".align 8" directives before all ".dword" directives.
2689 (GTHREAD_USE_WEAK): Revise comment.
2690 (TARGET_ATTRIBUTE_WEAK): Define.
2691 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2692 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2693 * stublib.c: New file.
2698 * pa.md (cbranch patterns): Revise arguments used in calls to
2699 output_cbranch, output_bb and output_bvd. Add long branch length
2701 (fbranch patterns): Handle long branches.
2702 (jump): Revise length check. Revise arguments for output_lbranch call.
2703 Add long branch length attributes.
2704 (decrement_and_branch_until_zero): Add long branch length attributes.
2705 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2706 Likewise. Revise arguments for output_parallel_addb and
2707 output_parallel_movb calls.
2708 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2709 output_parallel_movb and output_parallel_addb): Update prototypes.
2710 * pa.c (output_cbranch): Revise arguments. Correct handling of
2711 nullification in long branches.
2712 (output_lbranch): Add new argument to control extraction of delay
2714 (output_bb): Handle long branches.
2715 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2716 output_parallel_addb): Likewise.
2718 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2720 PR rtl-optimization/27073
2721 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2724 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2726 * tree.h (tree_memory_tag): Add old_used_alone.
2727 (SMT_OLD_USED_ALONE): New macro.
2728 * tree-ssa-alias.c (recalculate_used_alone): Stop
2729 marking things for renaming unnecessarily.
2731 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2733 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2734 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2735 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2736 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2737 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2738 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2739 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2740 spelling convensions.
2741 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2742 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2743 typos. Follow spelling conventions.
2745 2006-04-07 DJ Delorie <dj@redhat.com>
2747 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2748 passed on the stack.
2749 (m32c_init_cumulative_args): When a function returns a structure,
2750 always pass the pointer to that return area on the stack.
2751 (m32c_function_arg_advance): Don't increment the parameter number
2752 if we're processing the returned structure pointer.
2753 (pushm_info): Reverse order of registers.
2755 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2757 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2758 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2759 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2760 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2762 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2763 chrec_fold_multiply): Same.
2764 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2765 force_expr_to_var_cost): Same.
2766 * tree-mudflap.c (mf_xform_derefs_1): Same.
2767 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2769 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2771 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2772 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2775 2006-04-07 Jan Hubicka <jh@suse.cz>
2777 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2779 2006-04-07 Richard Guenther <rguenther@suse.de>
2781 PR tree-optimization/26135
2782 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2783 loads for store copy-prop.
2784 (copy_prop_visit_stmt): Likewise.
2786 2006-04-05 Robert Millan <robertmh@gnu.org>
2788 * config/i386/linux.h: Add a comment to mark macros that are
2789 being overriden in config/k*bsd-gnu.h.
2790 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2792 * config/knetbsd-gnu.h: Ditto.
2794 2006-04-06 Jan Hubicka <jh@suse.cz>
2798 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2801 2006-04-06 Mike Stump <mrs@apple.com>
2803 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2804 for HAVE_nonlocal_goto to be consistent.
2805 (expand_builtin_nonlocal_goto): Likewise.
2806 (expand_builtin_strcmp): Use #ifdef instead of #if
2807 for HAVE_cmpstrnsi to be consistent.
2809 2006-04-05 DJ Delorie <dj@redhat.com>
2811 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2814 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2816 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2817 got-relative addressing for anything but SImode.
2819 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2820 even if the calling function doesn't modify them.
2822 2006-04-05 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/26919
2825 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2826 to cgraph_estimate_size_after_inlining.
2828 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2830 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2832 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2834 PR tree-optimization/26996
2835 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2836 VECTOR_TYPE variables.
2838 2006-04-05 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/26763
2841 * fold-const.c (fold_comparison): Move folding of
2842 PTR + CST CMP PTR + CST ...
2843 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2845 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2847 * doc/install.texi (Prerequisites): Refine some wording on
2848 bootstrapping and ksh.
2849 Move the version numbers of DejaGnu here from the testing section
2850 and fix casing of names.
2851 Fix markup and clarify wording for autogen requirements.
2852 Refer to GCJ instead of just java.
2853 Refer to SVN instead of CVS.
2854 Describe diffutils as useful instead of necessary.
2855 (Downloading the source): Refer to SVN instead of CVS.
2856 Adjust a link to our web site accordingly.
2857 (Configuration): Fix casing of Bison.
2858 (Building): Refer to SVN instead of CVS.
2859 Fix a sentence on the use of Bison and remove duplicate (and
2860 incorrect) version number of Bison requirement.
2861 Remove one redundant list of packages needed for building.
2862 (Specific): Avoid reference to CVS.
2864 2006-04-04 Eric Christopher <echristo@apple.com>
2866 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2867 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2868 (rs6000_handle_struct_attribute): New.
2869 (rs6000_ms_bitfield_layout_p): Ditto.
2871 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2873 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2874 NULL for dso parameter to atexit_common.
2876 2006-04-04 Eric Christopher <echristo@apple.com>
2878 * config/i386/i386.c (machopic_output_stub): Output \t
2879 between instructions and operands.
2881 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2883 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2884 satisfies_constraint_[IL] to explicit tests on value.
2886 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2888 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2889 set_nb_iterations_in_loop): Use build_int_cst instead of
2891 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2892 build_int_cst instead of convert.
2894 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2896 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2897 new value 2 for incoming.
2898 * function.c (expand_function_start): Call struct_value_rtx
2900 * config/sparc/sparc.md: Comment updated_return.
2901 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2902 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2903 struct return if sparc_std_struct_return and incoming is 2.
2904 (print_operand): Do not adjust return if
2905 sparc_std_struct_return.
2907 2006-04-04 Roger Sayle <roger@eyesopen.com>
2909 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2910 convert in the middle-end.
2911 * expr.c (store_expr, store_constructor, get_inner_reference,
2912 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2914 * tree.c (build_range_type): Likewise.
2916 2006-04-04 Tom Tromey <tromey@redhat.com>
2918 * doc/install.texi (Prerequisites): Mention jar.
2920 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2922 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2925 2006-04-04 Matthias Klose <doko@debian.org>
2927 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2928 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2931 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2933 * doc/extend.texi (Function Attributes): Rewrite visibility
2934 attribute documentation.
2935 * doc/invoke.texi (C++ Dialect Options): Rewrite
2936 -fvisibility-inlines-hidden documentation to describe something
2937 entirely different, although in practise compatible.
2938 (Code Gen Options): Warn about system headers in -fvisibility=
2941 * doc/extend.texi (Other Builtins): Document that
2942 __builtin_nan is a compile-time constant only when its argument
2945 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2947 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2948 trying to remove TRUNCATE check if all bits outside the new mode
2949 are identical to the sign bit.
2951 2006-04-03 Jeff Law <law@redhat.com>
2953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2954 and operand scanning in some common cases.
2956 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2957 Dale Johannesen <dalej@apple.com>
2960 * regclass.c (struct reg_pref): Update documentation.
2961 (regclass): Set prefclass to NO_REGS if memory is the best option.
2962 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2963 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2964 into account. For non-registers, equate an empty preferred
2965 reload class to a `!' in the constraint; move the if clause to
2966 do so after those that reject the insn.
2967 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2969 (find_dummy_reload): Likewise.
2970 * doc/tm.texi (Register Classes): Document what it means
2971 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2972 * config/i386/i386.c (ix86_preferred_reload_class): Force
2973 using SSE registers (and return NO_REGS for floating-point
2974 constants) if math is done with SSE.
2975 (ix86_preferred_output_reload_class): New.
2976 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2977 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2978 * config/i386/i386.md: Remove # register preferences.
2980 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2983 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2984 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2985 the type of nb_iter.
2986 (instantiate_parameters_1): Convert the operands before calling
2987 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2988 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2990 2006-04-02 Roger Sayle <roger@eyesopen.com>
2992 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2993 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2995 * dojump.c (do_jump): Likewise.
2996 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2997 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2998 gimplify_boolean_expr): Likewise.
2999 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3000 * varasm.c (array_size_for_constructor): Likewise.
3001 * tree-object-size.c (compute_object_offset): Likewise.
3003 2006-04-02 Roger Sayle <roger@eyesopen.com>
3006 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3007 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3009 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3011 PR tree-optimization/26939
3012 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3014 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3016 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3017 at_stmt. Convert the type of operands before calling
3018 build_polynomial_chrec.
3019 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3021 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3022 (instantiate_parameters_1): Convert the type of operands before calling
3023 build_polynomial_chrec.
3024 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3025 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3026 reset_evolution_in_loop): Insert asserts to check the types of the
3028 (chrec_type): Moved...
3029 (eq_evolutions_p): Use operand_equal_p.
3030 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3031 the types of the operands.
3032 (chrec_type): ...here.
3033 * tree-data-ref.c (create_data_ref): Convert the operands before
3034 calling chrec_replace_initial_condition.
3035 (same_access_functions, analyze_subscript_affine_affine,
3036 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3037 (compute_subscript_distance, analyze_ziv_subscript,
3038 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3039 analyze_miv_subscript): Convert the operands before calling
3040 chrec_fold_minus or chrec_fold_plus.
3042 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3044 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3045 the dependence_relations vector.
3046 (compute_data_dependences_for_loop): Adjust call to
3047 compute_all_dependences.
3049 2006-04-01 Roger Sayle <roger@eyesopen.com>
3050 Richard Henderson <rth@redhat.com>
3052 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3053 gimple_boolify on the condition before calling gimplify_expr.
3055 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3057 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3058 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3059 the frame size. Update to use the new macros.
3060 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3061 * config/xtensa/ieee754-df.S: Likewise.
3063 2006-03-31 Richard Henderson <rth@redhat.com>
3065 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3066 (make_edges): ... here. Control fallthru creation with a local
3067 variable. Do not play with fake edges.
3068 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3069 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3072 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3074 * dwarf2.h (DW64_CIE_ID): Define.
3075 * dwarf2out.c (DWARF_CIE_ID): Define.
3076 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3077 length header. Use DWARF_CIE_ID.
3078 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3079 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3081 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3083 * config/sh/linux-atomic.asm: New file.
3084 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3086 2006-03-31 DJ Delorie <dj@redhat.com>
3088 * config/m32c/cond.md: Set condition flags properly throughout.
3089 * config/m32c/minmax.md: Likewise.
3090 * config/m32c/prologue.md: Likewise.
3091 * config/m32c/bitops.md: Likewise.
3092 * config/m32c/muldiv.md: Likewise.
3093 * config/m32c/mov.md: Likewise.
3094 * config/m32c/addsub.md: Likewise.
3095 * config/m32c/m32c.md: Likewise.
3096 * config/m32c/jump.md: Likewise.
3097 * config/m32c/shift.md: Likewise.
3099 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3100 conditionally output the pattern for this.
3101 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3102 (m32c_compare_redundant): New.
3103 (m32c_output_compare): New.
3104 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3106 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3107 dest, not src. Allow other 4-byte modes.
3109 2006-03-30 Denis Chertykov <denisc@overta.ru>
3111 * doc/md.texi: Refer to avr/constraints.md instead of
3114 2006-03-30 Roger Sayle <roger@eyesopen.com>
3116 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3117 signed vs. unsigned comparison failures on some hosts.
3119 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3122 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3123 change to FLOAT_REGS.
3125 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3126 (rs6000_override_options): Use it.
3127 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3128 only for -mabi=spe/no-spe and -mabi=altivec.
3130 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3132 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3135 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3137 * Makefile.in: Rename docdir to gcc_docdir.
3139 2006-03-30 Roger Sayle <roger@eyesopen.com>
3142 * expr.c (emit_group_store): Optimize group stores into a pseudo
3143 register by using a paradoxical subreg to initialize the destination
3144 if the first or last member of the group specifies a "low part".
3146 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3149 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3150 * target.h (struct gcc_target.speculate_insn): Change type of the
3151 second parameter to 'int'.
3152 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3153 the second operand of the DEPS_LIST.
3154 (copy_DEPS_LIST_list): Update reference to the second operand of the
3156 * rtl.h (alloc_DEPS_LIST): Update signature.
3157 * sched-int.h (ds_t): Change typedef to 'int'.
3158 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3160 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3162 * haifa-sched.c (try_ready): Change condition to restore
3163 non-speculative pattern of the instruction.
3164 (process_insn_depend_be_in_spec): Code to keep probability of the
3165 speculative dependence non-decreasing.
3167 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3169 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3170 (single_move_for_movmem): ... this. Also change all uses.
3171 (bfin_expand_strmov): Renamed to...
3172 (bfin_expand_movmem): ... this. Also change all uses.
3173 * config/bfin/bfin.md (movstrsi): Renamed to...
3174 (movstrsi): ...this.
3176 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3178 PR tree-optimization/26830
3180 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3181 (copy_prop_visit_stmt): Remove write-only variable ann.
3182 (init_copy_prop): Check variable loop depth here. Do not simulate
3183 memory-tag and virtual operand PHIs except for store copy prop.
3185 2006-03-30 Richard Guenther <rguenther@suse.de>
3187 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3188 variants with double arguments.
3190 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3192 * genpreds.c (write_tm_constrs_h): Delete variable p.
3193 * genconditions.c (write_header): Add tm-constrs.h to included
3195 * genpeep.c (main): Add toplev.h to included headers.
3196 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3197 (build/genpeep.o): Add toplev.h dependency.
3198 * config/rs6000/constraints.md: Add "W" constraint.
3200 2006-03-29 Roger Sayle <roger@eyesopen.com>
3202 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3203 sizes by correctly testing whether the size fits a host integer.
3204 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3205 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3206 SImode range for the default sizetype and bitsizetype.
3208 2006-03-29 Roger Sayle <roger@eyesopen.com>
3210 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3211 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3212 quickly if the argument is already of the correct type.
3213 Call fold_build1 instead of build1. Tidy up blank lines.
3215 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3217 * genemit.c (main): Add tm-constrs.h to included headers.
3218 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3219 * genpeep.c (main): Add tm-constrs.h to included headers.
3220 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3221 (write_tm_constrs_h): this and write complete file.
3222 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3223 (write_insn_preds_c): Add tm-constrs.h to included headers.
3224 (gen_constrs): New variable.
3225 (parse_option): Parse "-c".
3226 (main): Invoke write_tm_constrs_h.
3227 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3228 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3229 (object_out_file): Add tm-constrs.h dependency.
3230 (insn-emit.o): Same.
3231 (insn-output.o): Same.
3232 (insn-peep.o): Same.
3233 (insn-preds.o): Same.
3234 (insn-recog.o): Same.
3235 (tm-constsr.h): New target.
3236 (s-constrs-h): New target.
3238 * config/rs6000/constraints.md: New file.
3239 * config/rs6000/rs6000.c: Include tm-constrs.h.
3240 (num_insn_constant_wide): Convert to satisfies_constraint.
3241 (rs6000_rtx_costs): Convert to satisfies_constraint.
3242 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3243 (CONST_OK_FOR_LETTER_P): Delete.
3244 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3245 (EXTRA_CONSTRAINT): Delete.
3246 (EXTRA_MEMORY_CONSTRAINT): Delete.
3247 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3248 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3249 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3250 satisfies_constraint.
3252 * config/i386/i386.c: Include tm-constrs.h.
3254 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3256 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3257 * tree-data-ref.c (find_data_references_in_loop,
3258 compute_data_dependences_for_loop): Use pointers to VEC.
3259 (analyze_all_data_dependences): Adjust calls.
3260 * tree-data-ref.h (find_data_references_in_loop,
3261 compute_data_dependences_for_loop): Adjust declarations.
3262 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3263 compute_data_dependences_for_loop.
3265 2006-03-29 Paul Brook <paul@codesourcery.com>
3267 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3270 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3272 PR tree-optimization/26859
3273 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3275 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3276 for the step after fold_convert.
3278 2006-03-29 Paul Brook <paul@codesourcery.com>
3280 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3281 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3283 2006-03-29 Paul Brook <paul@codesourcery.com>
3286 * targhooks.c (default_narrow_bitfield): New fuction.
3287 * targhooks.h (default_narrow_bitfield): add prototype.
3288 * target.h (gcc_target): Add narrow_volatile_bitfield.
3289 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3290 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3291 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3292 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3294 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3296 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3298 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3299 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3300 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3301 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3302 (s390_function_arg_float): Allow SDmode and DDmode values to be
3303 passed in floating point registers.
3304 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3305 check with SCALAR_FLOAT_MODE_P.
3306 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3308 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3310 PR tree-optimization/25985
3311 * tree-ssa-loop-niter.c (number_of_iterations_le,
3312 number_of_iterations_ne): Make comments more precise.
3313 (number_of_iterations_cond): Add only_exit argument. Use the
3314 fact that signed variables do not overflow only when only_exit
3316 (loop_only_exit_p): New.
3317 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3318 number_of_iterations_cond.
3320 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3322 PR tree-optimization/26643
3323 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3326 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3328 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3329 (divsi3_i4_int): Likewise.
3331 2006-03-28 Roger Sayle <roger@eyesopen.com>
3333 * expr.c (emit_group_store): Only create a new pseudo reg if the
3334 quantity it needs to hold isn't already a suitable pseudo.
3336 2006-03-28 Jeff Law <law@redhat.com>
3338 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3339 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3341 2006-03-28 Roger Sayle <roger@eyesopen.com>
3343 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3344 the equivalent ~X & Y, and the symmetry related transformations.
3345 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3346 ~X & Y, and symmetry related transforms.
3348 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3350 Revert my 2006-03-27 patches.
3352 2006-03-28 Roger Sayle <roger@eyesopen.com>
3354 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3355 ~(T1)X, when T1 and T2 are integer types of the same precision
3356 and (T2)X isn't an extension.
3358 2006-03-28 Jeff Law <law@redhat.com>
3360 PR tree-optimization/26796
3361 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3362 need EH edge cleanups rather than purging them immediately.
3363 (eliminate_degenerate_phis): Handle queued EH cleanups.
3365 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3367 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3370 2006-03-27 Roger Sayle <roger@eyesopen.com>
3373 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3374 cast BIT_NOT_EXPR operand to the correct type.
3376 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3378 * tree-loop-linear.c: Don't include varray.h.
3379 (gather_interchange_stats, try_interchange_loops,
3380 linear_transform_loops): Use VEC instead of VARRAY.
3381 * lambda-mat.c: Don't include varray.h.
3382 * tree-chrec.c: Same.
3383 * lambda-trans.c: Same.
3384 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3385 VEC instead of VARRAY.
3386 * tree-vectorizer.h: Idem.
3387 * tree-data-ref.c (dump_data_references,
3388 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3389 initialize_data_dependence_relation, finalize_ddr_dependent,
3390 compute_all_dependences, find_data_references_in_loop,
3391 compute_data_dependences_for_loop, analyze_all_data_dependences,
3392 free_dependence_relation, free_dependence_relations,
3393 free_data_refs): Idem.
3394 * tree-data-ref.h (data_reference_p, subscript_p): New.
3395 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3396 VEC instead of VARRAY.
3397 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3398 (find_data_references_in_loop, compute_data_dependences_for_loop,
3399 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3400 dump_data_dependence_relations, free_dependence_relations,
3401 free_data_refs): Adjust declaration.
3402 (lambda_transform_legal_p): Move declaration here...
3403 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3404 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3405 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3406 vect_analyze_data_refs): Use VEC instead of VARRAY.
3407 * lambda.h (lambda_transform_legal_p): ...from here.
3408 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3409 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3410 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3411 tree-chrec.o): Don't depend on VARRAY_H.
3413 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3415 * rtl.def (Copyright): Update date.
3416 (DEPS_LIST): Change type of the second operand to 'int'.
3417 * target.h (Copyright): Update date.
3418 (struct gcc_target.speculate_insn): Change type of the second parameter
3420 * lists.c (Copyright): Update date.
3421 (alloc_DEPS_LIST): Change signature. Update reference to the second
3422 operand of the DEPS_LIST.
3423 (copy_DEPS_LIST_list): Update reference to the second operand of the
3425 * rtl.h (Copyright): Update date.
3426 (alloc_DEPS_LIST): Update signature.
3427 * sched-int.h (Copyright): Update date.
3428 (ds_t): Change typedef to 'int'.
3429 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3431 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3433 * haifa-sched.c (Copyright): Update date.
3434 (try_ready): Change condition to restore non-speculative pattern
3436 (process_insn_depend_be_in_spec): Code to keep probability of the
3437 speculative dependence non-decreasing.
3439 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3441 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3442 shut up the compiler.
3444 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3446 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3447 to use lib prefix for target.
3448 ($(T)libic_invalidate_array_4-200.a): Likewise.
3449 ($(T)libic_invalidate_array_4a.a): Likewise.
3451 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3452 J"orn Rennecke <joern.rennecke@st.com>
3454 * superh.opt: New file.
3455 * sh.c (boardtype, osruntime): Remove.
3456 * superh.h (SUBTARGET_OPTIONS): Remove.
3457 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3459 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3460 arguments with ^ and/or [].
3462 * config.gcc (sh-*-*): Add quoting to account for quirk of
3464 Replace == with = in enable_incomplete_targets test.
3466 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3467 with MASK_LITTLE_ENDIAN.
3469 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3470 * config/sh/sh.opt: Added to some comments.
3471 * config/sh/superh.h: Removed some chaff.
3473 * config/sh/sh.opt: Add m4-[1234]00* options.
3474 * config/sh/sh.c (sh_handle_option): Likewise.
3475 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3476 (ic_invalidate_array_4-100.o): New rule.
3477 ($(T)libic_invalidate_array_4-100.a): Likewise.
3478 (ic_invalidate_array_4-200.o): Likewise.
3479 ($(T)libic_invalidate_array_4-200.a): Likewise.
3480 (ic_invalidate_array_4a.o): Likewise.
3481 ($(T)libic_invalidate_array_4a.a): Likewise.
3482 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3483 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3485 * config/sh/crt1.asm: Merged in profiling code.
3486 * config/sh/superh.h (STARTFILE_SPEC): Override.
3487 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3488 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3489 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3491 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3492 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3493 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3495 * sh.opt (mpretend-cmove): New option.
3496 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3497 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3498 (movsicc): Add TARGET_PRETEND_CMOVE code.
3500 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3502 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3503 s390_class_max_nregs): New function prototypes.
3504 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3505 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3506 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3507 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3509 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3511 * dwarf2out.c (add_location_or_const_value_attribute): Call
3512 tree_add_const_value_attribute if nothing else works.
3513 (reference_to_unused): New.
3514 (rtl_for_decl_init): Use reference_to_unused to decide whether
3515 to output an initializer.
3517 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3520 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3521 peephole removing spe frob_di_df_2.
3523 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3525 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3526 (subscript_dependence_tester_1): Declared.
3527 (print_dir_vectors, print_dist_vectors): New.
3528 (debug_data_dependence_relation): New.
3529 (dump_data_dependence_relation): Print more details.
3530 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3531 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3532 (save_dist_v, save_dir_v, add_outer_distances,
3533 build_classic_dist_vector_1): New.
3534 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3535 Don't test for lambda_vector_lexico_pos.
3536 (same_access_functions, add_multivariate_self_dist,
3537 add_other_self_distances, dir_from_dist): New.
3538 (build_classic_dir_vector): Replace implementation almost identical to
3539 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3541 (subscript_dependence_tester_1): New.
3542 (subscript_dependence_tester): Handle the lexicographically negative
3543 distance vectors by recomputing the dependence relation.
3544 (compute_affine_dependence): Remove parameter loop_nest_depth.
3545 (compute_self_dependence): Don't call compute_subscript_distance.
3546 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3547 Add a parameter for the loop_nest.
3548 (find_loop_nest_1, find_loop_nest): New.
3549 (compute_data_dependences_for_loop): Compute the loop nest, and give
3550 up if the nest is not well formed.
3551 * tree-data-ref.h (loop_p): New.
3552 (struct data_dependence_relation): Replace size_vect field with
3553 loop_nest, a vec of loops.
3554 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3555 (DDR_LOOP_NEST): New.
3556 (print_dir_vectors, print_dist_vectors,
3557 debug_data_dependence_relation): Declared.
3558 (index_in_loop_nest): New.
3559 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3560 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3563 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3565 * simplify-rtx.c (simplify_relational_operation): Call
3566 simplify_relational_operation_1 even if mode is VOIDmode.
3568 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3570 PR tree-optimization/26804
3571 * tree.h (DECL_CALL_CLOBBERED): New macro.
3572 (tree_decl_common): Add call_clobbered_flag.
3573 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3574 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3575 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3576 (mark_non_addressable): Ditto.
3577 * tree-ssa.c (verify_call_clobbered): New function.
3578 (verify_alias_info): Use it.
3579 * tree-pass.h (pass_reset_cc_flags): New prototype.
3580 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3581 (reset_cc_flags): New function.
3582 * passes.c (init_optimization_passes): Call reset_cc_flags after
3583 initializing referenced_vars.
3585 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3586 Roger Sayle <roger@eyesopen.com>
3589 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3590 to 1.0 for non-real operands. Implement A / A optimization for
3593 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3595 * config/i386/i386.c (size_cost): Correct the comment for
3596 cost of storing fp registers.
3597 (i386_cost): Likewise.
3598 (i486_cost): Likewise.
3599 (pentium_cost): Likewise.
3600 (pentiumpro_cost): Likewise.
3601 (k6_cost): Likewise.
3602 (athlon_cost): Likewise.
3603 (k8_cost): Likewise.
3604 (pentium4_cost): Likewise.
3605 (nocona_cost): Likewise.
3606 (generic64_cost): Likewise.
3607 (generic32_cost): Likewise.
3609 2006-03-24 Denis Chertykov <denisc@overta.ru>
3611 * config/avr/avr-protos.h (extra_constraint): Delete.
3612 (extra_constraint_Q): New declaration.
3613 * config/avr/constraints.md: New file.
3614 * config/avr/avr.md: Include it.
3615 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3616 (TMP_REGNO, ZERO_REGNO): Likewise.
3617 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3618 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3619 (extra_constraint): Delete.
3620 (extra_constraint_Q): Test for memory constraint 'Q'.
3621 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3622 (REG_CLASS_FROM_LETTER): Delete.
3623 (CONST_OK_FOR_LETTER_P): Delete.
3624 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3625 (EXTRA_CONSTRAINT): Delete.
3626 (TMP_REGNO): Delete.
3627 (ZERO_REGNO): Delete.
3629 2006-03-24 Jeff Law <law@redhat.com>
3631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3632 directly. Call mark_new_vars_to_rename slightly earlier.
3634 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3636 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3638 (gen_compile_unit_die): Use new language types for Objective-C and
3640 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3641 DW_LANG_C_plus_plus.
3644 * config/t-darwin (crt3.o): Work around bug 26840.
3645 * config/darwin-crt3.c: Rewrite.
3646 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3648 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3650 * doc/invoke.texi: Document -femit-class-debug-always
3651 * common.opt: Add -femit-class-debug-always.
3653 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3655 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3656 index and base register.
3657 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3658 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3659 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3660 REGNO_OK_FOR_INDEX_P.
3661 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3663 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3664 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3665 REG_OK_FOR_BASE_P): Definitions removed.
3667 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3670 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3671 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3672 set yet or weren't marked as local yet.
3674 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3676 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3679 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3681 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3682 (rs6000_legitimate_small_data_p): Delete.
3683 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3684 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3685 and make static. Add forward declaration. Update uses.
3686 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3687 of offsettable_memref_p.
3688 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3689 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3691 2006-03-24 Jeff Law <law@redhat.com>
3693 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3694 around bug in immediate-use iterator.
3696 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3699 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3700 or __LITTLE_ENDIAN__.
3702 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3704 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3705 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3706 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3707 * config/sh/sh.opt (mdiv=): Amend description.
3708 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3709 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3710 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3711 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3712 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3713 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3714 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3715 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3716 TARGET_DIVIDE_CALL_FP.
3718 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3720 * haifa-sched.c (choose_ready): Fix type of the local variable.
3721 Move local variables. Add comment.
3722 (check_reg_live): Change signature. Make callable from debugger.
3723 * sched-int.h (check_reg_live): Update signature.
3724 * sched-ebb.c (check_reg_live): Update parameters.
3725 * sched-rgn.c (check_reg_live): Ditto.
3726 (region_head_or_leaf_p): Check pointer before dereferencing.
3727 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3728 before reload on optimization levels below 1.
3730 2006-03-23 Richard Henderson <rth@redhat.com>
3732 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3736 * config/alpha/predicates.md (local_symbolic_operand): Reject
3739 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3742 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3743 expressions which have overflowed constants.
3745 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3747 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3749 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3751 * cfgloopmanip.c (create_loop_notes): Removed.
3752 * final.c (final_scan_insn): Do not handle loop notes.
3753 * jump.c (squeeze_notes): Ditto.
3754 * cfglayout.c (skip_insns_after_block,
3755 duplicate_insn_chain): Ditto.
3756 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3758 * cfgloop.h (create_loop_notes): Declaration removed.
3760 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3762 * varasm.c (output_constant_pool): Restore fnname and fndecl
3764 (assemble_start_function): Adjust call accordingly.
3765 (assemble_end_function): Likewise.
3767 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3770 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3773 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3775 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3778 * system.h (ICE_EXIT_CODE): New macro.
3779 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3780 (diagnostic_action_after_output): Likewise.
3781 * gcc.c (fatal_ice): New function.
3782 (execute): Use it instead of fatal.
3783 (fancy_abort): Likewise.
3784 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3786 2006-03-22 Jeff Law <law@redhat.com>
3788 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3789 iv_analyze_result returning false.
3791 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3793 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3795 2006-03-22 Richard Henderson <rth@redhat.com>
3798 * except.c (duplicate_eh_regions_0): New.
3799 (duplicate_eh_region_1): Duplicate the children of the node as
3800 well as the node itself. Link them up properly.
3801 (duplicate_eh_region_2): Merge into ...
3802 (duplicate_eh_regions): ... here. Take copy_region argument, and
3803 copy only a sub-tree if asked. Simplify copying and fixup.
3804 (eh_region_outer_p): New.
3805 * except.h (duplicate_eh_regions): Update decl.
3806 (eh_region_outer_p): Declare.
3807 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3808 (lower_omp_master): Likewise.
3809 (lower_omp_ordered): Likewise.
3810 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3811 (move_stmt_r): Use it to remap labels. Handle recursion vs
3812 remap_decls_p properly.
3813 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3814 (find_outermost_region_in_block): New.
3815 (new_label_mapper): New.
3816 (move_sese_region_to_fn): Copy eh information to the new function
3818 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3820 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3823 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3825 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3826 into shared libraries.
3828 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3830 * doc/md.texi: Refer to i386/constraints.md instead of
3832 * config/i386/constraints.md: New file, extracted from...
3833 * config/i386/predicates.md: ...here.
3834 * config/i386/i386.md: Include constraints.md.
3836 2006-03-21 Jason Merrill <jason@redhat.com>
3838 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3841 * expr.c (init_block_move_fn): Force default visibility.
3842 (init_block_clear_fn): Likewise.
3843 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3844 * targhooks.c (default_external_stack_protect_fail): Likewise.
3846 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3848 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3849 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3850 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3851 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3852 (loadgp): Use mips_current_loadgp_style.
3853 (loadgp_noshared): New pattern.
3854 (sibcall_internal): Use MIPS_CALL.
3855 (sibcall_value_internal): Likewise.
3856 (sibcall_value_multiple_internal): Likewise.
3857 (call_internal): Likewise.
3858 (call_value_internal): Likewise.
3859 (call_value_multiple_internal): Likewise.
3860 (call_split): Use MIPS_CALL and add an 'S' constraint.
3861 (call_value_split): Likewise.
3862 (call_value_multiple_split): Likewise.
3863 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3864 (-mshared): New option.
3865 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3866 (mips_current_loadgp_style): Declare.
3867 * config/mips/mips.c (mips_classify_symbol): Avoid using
3868 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3869 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3870 TARGET_ABSOLUTE_ABICALLS.
3871 (override_options): Adjust comments. Improve the warning that is
3872 issued when -mabicalls and -G are used together.
3873 (mips_file_start): Remove comment.
3874 (mips_current_loadgp_style): New function.
3875 (mips_gnu_local_gp): New variable.
3876 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3878 (mips_output_function_prologue): Use mips_current_laodgp_style.
3879 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3880 the cprestore instruction.
3881 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3882 live for TARGET_ABSOLUTE_ABICALLS.
3883 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3884 (ASM_SPEC): Pass down -mshared and -mno-shared.
3885 (MIPS_CALL): New macro.
3886 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3888 * doc/invoke.texi (-mabicalls): Update documentation.
3889 (-mshared): Document.
3891 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3893 * config/ia64/unwind-hpux.c: New file.
3894 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3896 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3899 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3901 2006-03-21 Jeff Law <law@redhat.com>
3903 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3904 type conversions of a VR_VARYING source to a wider type.
3906 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3908 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3909 tm_file on Solaris 10 and later.
3910 (sparc64-*-solaris2*): Likewise.
3911 (sparc-*-solaris2*): Likewise.
3912 * config/sol26.h: Rename to config/sol2-6.h.
3913 * config/sol2-10.h: New file.
3915 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3918 * tree-ssa-pre.c (create_component_ref_by_pieces):
3921 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3924 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3925 return it immediately.
3927 2006-03-21 Michael Matz <matz@suse.de>
3929 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3931 (remove_arc, add_arc): Update num_out_arcs member.
3932 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3934 (cache_presence): New function.
3935 (compare_states_for_equiv): New function.
3936 (state_is_differed): Don't take number of outargs, adjust callers.
3937 Use new invariant for speeding up.
3938 (init_equiv_class): Create initial classes based on sorted
3940 (partition_equiv_class): Don't track out_arcs_num.
3941 (evaluate_equiv_classes): Call cache_presence on all states and
3944 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3946 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3947 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3948 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3949 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3951 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3952 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3953 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3954 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3955 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3957 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3958 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3959 (REGNO_REG_CLASS): ARGP is in PREGS.
3960 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3962 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3963 to deal with those addresses.
3964 * addresses.h: New file.
3965 * caller-save.c: Include "addresses.h".
3966 (init_caller_save): Use new base_reg_class function.
3967 * rtl-factoring.c: Include "addresses.h".
3968 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3969 * recog.c: Include "addresses.h".
3970 (preprocess_constraints): Use new base_reg_class function.
3971 * regrename.c: Include "addresses.h".
3972 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3973 functions. Keep track of a new var INDEX_CODE to compute valid
3975 (replace_oldest_value_addr): Likewise.
3976 (replace_oldest_value_mem): Use base_reg_class.
3977 * reload.c: Include "addresses.h".
3978 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3979 (find_reloads): Use new base_reg_class function.
3980 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3981 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3982 all callers and prototype changed.
3983 * reload1.c: Include "addresses.h".
3984 (maybe_fix_stack_asms): Use base_reg_class.
3985 * regclass.c: Include "addresses.h".
3986 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3987 (init_reg_autoinc): Use new base_reg_class function.
3988 (record_reg_classes): Likewise.
3989 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3990 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3991 Use new args to compute necessary class.
3993 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3994 regrename.o, rtl-factoring.o): Update dependencies.
3995 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3996 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3997 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3998 REG_OK_FOR_INDEX_P): Delete documentation.
4000 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4002 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4003 from V7 to V9 for Solaris 7 and above.
4005 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4007 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4008 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4009 argument pointers may not alias any other storage.
4010 * common.opt: Define option -fargument-noalias-anything.
4011 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4012 alias semantics is specified by flag_argument_noalias > 2.
4014 2006-03-20 Jeff Law <law@redhat.com>
4016 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4017 (pass_phi_only_cprop): Declare.
4018 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4020 * tree-ssa-dom.c (degenerate_phi_result): New function.
4021 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4022 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4023 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4024 (eliminate_degenerate_phis): Likewise.
4025 (pass_phi_only_cprop): New pass descriptor.
4026 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4027 support code. Callers updated.
4028 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4029 (store_copy_prop): Likewise.
4030 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4032 2006-03-20 Jason Merrill <jason@redhat.com>
4035 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4036 (push_visibility, pop_visibility): Likewise.
4037 * c-pragma.h: Declare them.
4039 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4041 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4043 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4044 parameter and use get_ebb_head_tail.
4045 (sh_md_init_global): Adjust uses of find_regmode_weight.
4047 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4049 * function.h (struct function) <x_tail_recursion_reentry>:
4050 Rename to x_stack_check_probe_note.
4051 (tail_recursion_reentry): Rename to stack_check_probe_note.
4052 * function.c: Replace tail_recursion_reentry with
4053 stack_check_probe_note everywhere.
4054 (expand_function_start): Only emit a note for
4055 stack_check_probe_note with -fstack-protect.
4056 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4058 * emit-rtl.c (remove_unnecessary_notes): Remove.
4059 (pass_remove_unnecessary_notes): Remove.
4060 * rtl.h (remove_unnecessary_notes): Remove prototype.
4061 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4062 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4063 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4065 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4068 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4069 (valid_in_set): Handle ARRAY_REF.
4070 Change "if min_variant or VH" to asserts.
4071 (create_component_ref_by_pieces): Handle ARRAY_REF.
4072 (create_expression_by_pieces): Likewise.
4073 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4075 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4077 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4078 is operand of switch, not str[0].
4080 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4082 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4083 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4085 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4087 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4088 end of insn_extra_address_constraint declaration.
4090 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4092 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4093 (no-sum-in-toc): Same.
4094 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4096 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4097 NO_FP_IN_TOC for -fPIC instead of mask.
4099 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4100 (BOOT_LDFLAGS): Delete.
4102 * config/rs6000/t-aix52: Same.
4104 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4105 (stmsi[345678]_power): New.
4107 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4109 * config/ia64/ia64.opt: Add empty line to end of file.
4111 2006-03-17 Richard Guenther <rguenther@suse.de>
4114 * builtins.c (get_pointer_alignment): For component style references
4115 adjust alignment to the component type alignment. Make sure
4116 to adjust alignment for component access of constants.
4118 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4120 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4123 2006-03-17 Paul Brook <paul@codesourcery.com>
4125 * doc/install.texi: Docuemnt --with-mode.
4126 * config.gcc: Add --with-mode for arm*-*-*.
4127 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4129 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4131 * sh.c (max_labelno_before_reorg): New variable.
4132 (sh_reorg): Initialize it.
4133 (find_barrier): Check max_labelno_before_reorg before using
4134 label_to_alignment. Take length of explicit alignment insns
4135 into account. When seeing a UNSPECV_CONST_END, return it.
4137 * sh.c (fixup_mova): Set mode of affected label to QImode.
4138 (untangle_mova): New function.
4139 (find_barrier): Use it. Check mode of label before decrementing
4141 (sh_reorg): Likewise.
4142 Set mode of all insns back to VOIDmode.
4144 * sh.c (MOVA_LABELREF): New macro.
4145 (mova_p, fixup_mova, sh_reorg): Use it.
4146 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4147 ADDR_DIFF_VEC matches mova.
4149 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4151 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4152 with ATTRIBUTE_UNUSED.
4154 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4156 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4157 pointer, instead of assuming it is possible to derive the
4158 correct args size from a call insn.
4160 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4162 * rtl.h (CONST_INT_P): Define.
4163 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4164 instead of GET_CODE(x) == CONST_INT.
4165 (vax_rtx_costs): Likewise.
4166 (vax_output_int_move): Likewise.
4167 (vax_output_int_add): Likewise.
4168 (legitimate_constant_address_p): Likewise.
4169 (index_term_p): Likewise.
4170 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4171 * config/vax/vax.md (and<mode>3): Likewise.
4172 (ashrsi3): Likewise.
4174 (movstricthi): Likewise.
4175 (movstrictqi): Likewise.
4176 (rotrsi3): Likewise.
4177 (five unnamed insns): Likewise.
4179 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4181 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4182 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4183 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4184 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4185 Pass to ASM_OUTPUT_DWARF_OFFSET.
4186 * dwarf2out.c (debug_frame_section): New.
4187 (output_call_frame_info): Use debug_frame_section. Pass it to
4188 dw2_asm_output_offset.
4189 (output_die): Pass appropriate section to dw2_asm_output_offset.
4190 (output_compilation_unit_header): Likewise.
4191 (output_pubnames): Likewise.
4192 (output_aranges): Likewise.
4193 (enum dw_val_class): Break dw_val_class_lbl_offset into
4194 dw_val_class_lineptr and dw_val_class_macptr.
4195 (add_AT_lbl_offset): Delete.
4196 (add_AT_lineptr): New.
4197 (add_AT_macptr): New.
4198 (AT_lbl): Expect a lineptr or macptr.
4199 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4200 (attr_checksum): Likewise.
4201 (same_dw_val_p): Likewise.
4202 (size_of_die): Likewise.
4203 (value_format): Likewise.
4204 (output_die): Likewise.
4205 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4207 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4208 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4209 * config/darwin-protos.h (darwin_file_start): New.
4210 (darwin_asm_output_dwarf_offset): New.
4211 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4212 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4214 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4215 if not EH section; simplify.
4216 (darwin_file_start): New.
4217 (darwin_asm_output_dwarf_offset): New.
4218 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4220 (DEBUG_INFO_SECTION): Likewise.
4221 (DEBUG_ABBREV_SECTION): Likewise.
4222 (DEBUG_ARANGES_SECTION): Likewise.
4223 (DEBUG_MACINFO_SECTION): Likewise.
4224 (DEBUG_LINE_SECTION): Likewise.
4225 (DEBUG_LOC_SECTION): Likewise.
4226 (DEBUG_PUBNAMES_SECTION): Likewise.
4227 (DEBUG_STR_SECTION): Likewise.
4228 (DEBUG_RANGES_SECTION): Likewise.
4229 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4230 (ASM_OUTPUT_DWARF_OFFSET): New.
4232 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4234 * config.gcc (tm_defines): Always add to previous value rather
4237 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4239 * config/mips/predicates.md (splittable_const_int_operand): New,
4240 split from move_operand.
4241 (splittable_symbolic_operand): New.
4242 (move_operand): Add commentary. Use splittable_const_int_operand.
4243 Inline mips_atomic_symbolic_constant_p.
4244 * config/mips/mips.md: Add combine splitters for handling moves
4245 of splittable_const_int_operands and splittable_symbolic_operands.
4246 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4247 (mips_split_symbol): Declare.
4248 (mips_move_integer): Declare.
4249 * config/mips/mips.c (mips_split_p): Make global.
4250 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4251 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4252 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4253 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4254 (mips_offset_within_object_p): Handle block symbols.
4255 (mips_atomic_symbolic_constant_p): Delete.
4256 (mips_cannot_force_const_mem): Return false for constants that
4257 mips_legitimize_move can handle.
4258 (mips_use_blocks_for_constant_p): New function.
4259 (mips_split_symbol): Make global.
4260 (mips_move_integer): Likewise. Add a temporary register argument.
4261 (mips_legitimize_const_move): Use splittable_const_int_operand and
4262 splittable_symbolic_operand.
4263 (mips_use_anchors_for_symbol_p): New function.
4264 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4265 (mips_split_p): Declare.
4267 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4269 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4270 (mips*-*-linux*): Likewise.
4272 2006-03-16 Roger Sayle <roger@eyesopen.com>
4273 Daniel Speyer <dspeyer@wam.umd.edu>
4276 * tree-dump.c (dump_real): New function.
4277 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4278 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4279 (tree-dump.o): Add $(REAL_H) to the dependencies.
4281 2006-03-16 Roger Sayle <roger@eyesopen.com>
4284 * real.c (real_from_string): If the mantissa is zero, don't bother
4285 parsing the exponent as the result should always be zero.
4287 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4289 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4293 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4294 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4295 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4296 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4297 ia64_sched_finish_global): New static functions to implement
4298 hooks from gcc_target.sched.
4299 (spec_check_no, max_uid, pending_data_specs): New static variables.
4300 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4301 ia64_spec_check_src_p): New static functions.
4302 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4303 (TARGET_SCHED_ADJUST_COST): Removed.
4304 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4305 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4306 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4307 TARGET_SCHED_GEN_CHECK,
4308 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4309 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4310 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4311 Fixed to handle speculation checks.
4312 (rtx_needs_barrier): Fixed to handle speculative loads and
4314 (ia64_variable_issue): Added code to count speculative loads and their
4316 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4318 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4320 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4322 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4323 (ia64_reorg): Reset stops_p to NULL after it is freed.
4324 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4325 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4326 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4328 (data_speculative, control_speculative, check_load): New attributes.
4329 (mov<mode>_advanced, mov<mode>_speculative,
4330 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4331 zero_extend<mode>di2_speculative,
4332 zero_extend<mode>di2_speculative_advanced): New patterns for
4333 data and control speculative loads.
4334 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4336 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4337 New pattern for data and control speculation checks.
4338 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4339 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4340 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4341 Auxiliary definitions for the patterns.
4342 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4343 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4345 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4347 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4348 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4349 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4350 New resource constraints.
4351 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4353 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4354 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4355 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4356 msched-in-control-spec, msched-ldc, msched-control-ldc,
4357 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4358 msched-prefer-non-control-spec-insns,
4359 msched-count-spec-in-critical-path): New flags to tune speculative
4361 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4362 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4363 msched-in-control-spec, msched-ldc, msched-control-ldc,
4364 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4365 msched-prefer-non-control-spec-insns,
4366 msched-count-spec-in-critical-path): Document new flags.
4368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4370 * target.h (struct spec_info_def): New opaque declaration.
4371 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4372 speculate_insn, needs_block_p, gen_check,
4373 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4374 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4375 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4376 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4377 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4378 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4380 (TARGET_SCHED): Use new macros.
4381 * rtl.h (copy_DEPS_LIST_list): New prototype.
4382 * sched-int.h (struct sched_info): Change signature of new_ready field,
4383 adjust all initializations. New fields: add_remove_insn,
4384 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4385 region_head_or_leaf_p.
4386 (struct spec_info_def): New structure declaration.
4387 (spec_info_t): New typedef.
4388 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4389 recovery_block, orig_pat.
4390 (glat_start, glat_end): New variables declaraions.
4391 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4393 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4394 DETACH_LIFE_INFO, USE_GLAT.
4395 (enum SPEC_SCHED_FLAGS): New enumeration.
4396 (NOTE_NOTE_BB_P): New macro.
4397 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4398 attach_life_info, debug_spec_status, check_reg_live): New functions.
4399 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4400 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4402 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4403 * ddg.c (get_block_head_tail): Adjust all uses.
4404 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4405 (sms_sched_info): Initialize new fields.
4406 (contributes_to_priority): Removed.
4407 * haifa-sched.c (params.h): New include.
4408 (get_block_head_tail): Adjust all uses.
4409 (ISSUE_POINTS): New macro.
4410 (glat_start, glat_end): New global variables.
4411 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4412 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4413 old_last_basic_block, before_recovery, current_sched_info_var,
4414 rgn_n_insns, luid): New static variables.
4415 (insn_cost1): New function. Move logic from insn_cost to here.
4416 (find_insn_reg_weight1): New function. Move logic from
4417 find_insn_reg_weight to here.
4418 (reemit_notes, move_insn, max_issue): Change signature.
4419 (move_insn1): Removed.
4420 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4421 extend_bb): New static functions to support extension of scheduler's
4423 (generate_recovery_code, process_insn_depend_be_in_spec,
4424 begin_speculative_block, add_to_speculative_block,
4425 init_before_recovery, create_recovery_block, create_check_block_twin,
4426 fix_recovery_deps): New static functions to support
4427 generation of recovery code.
4428 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4429 restore_bb_notes, move_block_after_check, move_succs): New static
4430 functions to support ebb scheduling.
4431 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4432 functions to support handling of register live information.
4433 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4434 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4435 add_jump_dependencies): New static functions.
4436 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4437 consistancy checking.
4438 (debug_spec_status): New function to call from debugger.
4439 (priority): Added code to handle speculation checks.
4440 (rank_for_schedule): Added code to distinguish speculative instructions.
4441 (schedule_insn): Added code to handle speculation checks.
4442 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4443 Fixed to handle ebbs.
4444 (move_insn): Added code to handle ebb scheduling.
4445 (max_issue): Added code to use ISSUE_POINTS of instructions.
4446 (choose_ready): Added code to choose between speculative and
4447 non-speculative instructions.
4448 (schedule_block): Added code to handle ebb scheduling and scheduling of
4449 speculative instructions.
4450 (sched_init): Initialize new variables.
4451 (sched_finish): Free new variables. Print statistics.
4452 (try_ready): Added code to handle speculative instructions.
4453 * lists.c (copy_DEPS_LIST_list): New function.
4454 * sched-deps.c (extend_dependency_caches): New function. Move logic
4455 from create_dependency_caches to here.
4456 (get_dep_weak, ds_merge): Make global.
4457 * genattr.c (main): Code to output prototype for
4458 dfa_clear_single_insn_cache.
4459 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4460 (output_dfa_clean_insn_cache_func): Code to output
4461 dfa_clear_single_insn_cache function.
4462 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4464 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4466 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4467 New static variables.
4468 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4469 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4471 (ebb_sched_info): Initialize new fields.
4472 (get_block_head_tail): Adjust all uses.
4473 (compute_jump_reg_dependencies): Fixed to use glat_start.
4474 (schedule_ebb): Code to remove unreachable last block.
4475 (schedule_ebbs): Added code to update register live information.
4476 * sched-rgn.c (region_sched_info): Initialize new fields.
4477 (get_block_head_tail): Adjust all uses.
4478 (last_was_jump): Removed. Adjust users.
4479 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4480 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4481 Implement new hooks.
4482 (check_dead_notes1): New static function.
4483 (struct region): New fields: dont_calc_deps, has_real_ebb.
4484 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4485 (BB_TO_BLOCK): Fixed to handle EBBs.
4486 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4487 (ebb_head): New static variable.
4488 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4489 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4491 (compute_dom_prob_ps): New assertion.
4492 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4493 global_live_at_start.
4494 (init_ready_list): New assertions.
4495 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4496 (new_ready): Add support for BEGIN_CONTROL speculation.
4497 (schedule_insns): Fixed code that updates register live information
4499 (schedule_region): Fixed to handle EBBs.
4500 (init_regions): Use extend_regions and check_dead_notes1.
4501 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4502 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4503 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4504 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4505 TARGET_SCHED_GEN_CHECK,
4506 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4507 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4508 * doc/invoke.texi (max-sched-insn-conflict-delay,
4509 sched-spec-prob-cutoff): Document.
4511 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4513 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4514 inter_tick, queue_index.
4515 (struct sched_info): Change signature of init_ready_list field.
4516 Adjust all initializations.
4517 (RESOLVED_DEPS): New access macro.
4518 (ready_add): Remove prototype.
4519 (try_ready): Add prototype.
4520 * sched-rgn.c (init_ready_list): Use try_ready.
4521 (schedule_region): Initialize
4522 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4523 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4524 (init_ready_list): Use try_ready.
4525 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4526 * lists.c (remove_list_elem): Remove `static'.
4527 (remove_free_INSN_LIST_elem): New function.
4528 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4529 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4530 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4532 (readyp): New variable.
4533 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4534 change_queue_index, resolve_dep): New static functions.
4535 (try_ready): New function. Adjust callers in sched-rgn.c and
4536 sched-ebb.c to use it instead of ready_add.
4537 (clock_var): Move at the begining of file.
4538 (rank_for_schedule): Fix typo.
4539 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4540 (ready_lastpos): Enforce assertion.
4541 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4543 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4544 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4545 (queue_to_ready): Use free_INSN_LIST_list.
4546 (early_queue_to_ready): Fix typo.
4547 (schedule_block): Init readyp. Move init_ready_list call after the
4548 initialization of clock_var. Fix error in rejecting insn by
4549 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4550 that previously corrected INSN_TICKs. Add code for handling
4552 (set_priorities): Fix typo.
4553 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4554 Clarify comment and code that keeps current_sched_info->next_tail
4557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4559 * sched-rgn.c (extend_rgns): New static function.
4560 (find_rgns): Use it.
4561 (gather_region_statistics, print_region_statistics): New static
4563 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4564 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4566 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4567 Andrey Belevantsev <abel@ispras.ru>
4569 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4570 * lists.c (unused_deps_list): New variable.
4571 (free_list): Add assertions to verify the proper distinguishing
4572 between INSN_LISTs and DEPS_LISTs.
4573 (find_list_elem, remove_list_elem, remove_list_node): New static
4575 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4576 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4577 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4578 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4580 (free_INSN_LIST_node): Likewise.
4581 * modulo-sched.c (current_sched_info): Initialize flags field.
4582 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4583 * rtl.def (DEPS_LIST): Define.
4584 * rtl.h: Declare new functions from lists.c.
4585 * sched-deps.c (spec_dependency_cache): New static variable.
4586 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4587 (add_dependence): Change return type to void. Move the logic to ...
4588 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4589 (delete_all_dependences): Add comment about forward_dependency_cache.
4590 Handle spec_dependency_cache. Handle DEPS_LISTs.
4591 (fixup_sched_groups): Clarify the change of priority of output
4592 and anti dependencies.
4593 (sched_analyze_2): Adjust add_dependence calls to create data
4594 speculative dependence.
4595 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4596 Adjust all callers. Handle DEPS_LISTS.
4597 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4598 presence of speculation.
4599 (init_dependency_caches, free_dependency_caches):
4600 Handle spec_dependency_cache.
4601 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4602 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4603 New static functions.
4604 (add_or_update_back_dep, add_or_update_back_forw_dep,
4605 add_back_forw_dep, delete_back_forw_dep): New functions.
4606 * sched-int.h (ds_t, dw_t): New typedefs.
4607 (struct sched_info): Add new field flags.
4608 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4609 Prototype new sched-deps.c functions.
4610 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4611 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4612 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4613 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4614 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4615 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4617 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4619 * sched-rgn.c (current_sched_info): Initialize flags field.
4620 (schedule_insns): Initialize current_sched_info before the sched_init
4622 * sched-ebb.c (current_sched_info): Initialize flags field.
4623 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4624 Call add_or_update_back_dep instead of add_dependence.
4625 Create control speculative dependencies.
4626 (schedule_insns): Initialize current_sched_info before the sched_init
4629 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4631 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4633 (sh_fallback_frame_state): Likewise.
4635 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4637 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4638 Do switch on default_use_cxa_atexit.
4639 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4640 * config/darwin-crt3.o: New.
4641 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4642 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4643 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4645 * config/rs6000/t-darwin: Move crt2.o building to here.
4646 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4647 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4650 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4652 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4653 from '! xxx' to '!xxx' for coding-style conformance.
4654 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4655 (EXTRA_CONSTRAINT): Likewise.
4656 * config/vax/vax.md (four unnamed insns): Likewise.
4658 2006-03-15 Paul Brook <paul@codesourcery.com>
4660 * config/arm/arm.c (minipool_pad): New.
4661 (add_minipool_forward_ref): Include pool alignment padding in address
4663 (push_minipool_fix): Set minipool_pad.
4664 (minipool_pad): Ditto.
4666 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4668 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4669 instead of GET_CODE() == MEM and REG_P() instead of
4671 (print_operand_address): Likewise.
4672 (vax_address_cost): Likewise.
4673 (vax_rtx_costs): Likewise.
4674 (vax_notice_update_cc): Likewise.
4675 (vax_output_int_add): Likewise.
4676 (INDEX_REGISTER_P): Likewise.
4677 (BASE_REGISTER_P): Likewise.
4678 (nonindexed_address_p): Likewise.
4679 (vax_mode_dependent_address_p): Likewise.
4680 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4681 (PRINT_OPERAND): Likewise.
4682 * config/vax/vax.md (ashlsi3): Likewise.
4683 (ashlsi3): Likewise.
4684 (some more unnamed insns): Likewise.
4686 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4688 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4689 iterator-style macro.
4690 (mark_control_dependent_edges_necessary): Update the use of
4691 EXECUTE_IF_CONTROL_DEPENDENT.
4693 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4695 * config/sh/predicates.md (cache_address_operand): Special.
4696 (ua_address_operand): Likewise.
4698 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4700 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4702 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4704 2006-03-15 Andreas Schwab <schwab@suse.de>
4706 * gensupport.c (identify_predicable_attribute): Don't free p_false
4707 when it is still in use.
4709 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4711 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4712 the default setting here.
4714 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4716 * tree-pass.h (pass_cfg): Remove.
4717 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4718 * passes.c (pass_cfg): Don't run it.
4720 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4722 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4723 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4725 (stack_regs_mentioned): Update the uses of
4726 stack_regs_mentioned_data. Don't access the array beyond its
4728 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4729 Don't include gt-reg-stack.h.
4731 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4732 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4734 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4737 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4740 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4742 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4744 2006-03-14 Richard Guenther <rguenther@suse.de>
4746 PR tree-optimization/26672
4747 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4750 2006-03-14 Richard Guenther <rguenther@suse.de>
4752 PR tree-optimization/26667
4753 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4754 node for the callees. Always allow inlining if it will shrink
4757 2006-03-14 Richard Guenther <rguenther@suse.de>
4760 * builtins.c (get_pointer_alignment): Prefer alignment
4761 information from decls over that from types.
4763 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4766 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4768 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4770 * config/rs6000/rs6000.opt (mdlmzb): New option.
4771 (msched-prolog, msched-epilog): Use Var not Mask.
4772 * doc/invoke.texi (-mdlmzb): Document.
4773 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4775 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4776 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4778 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4780 PR rtl-optimization/25739
4781 * bt-load.c (augment_live_range): Free tos pointer.
4783 * gensupport.c (identify_predicable_attribute): Free
4785 * gcov.c (create_file_names): Free name pointer.
4787 2006-03-13 Roger Sayle <roger@eyesopen.com>
4790 * stmt.c (emit_case_nodes): Handle the case where the index is a
4791 CONST_INT, where the comparison mode is specified by the index type.
4793 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4795 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4798 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4800 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4801 (*branch_fp_inverted): Likewise.
4803 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4806 * omp-low.c (expand_omp_for_generic): Mark istart0
4807 and iend0 as addressable.
4809 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4811 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4813 2006-03-13 Jeff Law <law@redhat.com>
4815 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4816 virtual operands are interesting.
4817 (vrp_visit_stmt): Corresponding changes.
4819 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4821 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4823 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4824 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4825 * config/bfin/crti.S: Use it instead of __PIC__.
4826 * config/bfin/crtn.S: Likewise.
4828 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4829 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4831 Lose 'G' modifier for call operand.
4832 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4833 recognize 'G' modifier.
4835 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4838 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4839 * stmt.c (expand_case): Likewise.
4841 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4843 PR rtl-optimization/26254
4844 * loop-invariant.c (seq_insns_valid_p): New function.
4845 (move_invariant_reg): Only emit new code if it is valid.
4847 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4849 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4851 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4852 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4853 (commit_one_edge_insertion): Do not look for loop notes.
4855 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4857 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4858 flag_test_coverage out of loop.
4860 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4862 * final.c (shorten_branches): Remove outdated comment, and turn
4863 the if branch that guards it to continue.
4865 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4867 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4868 * cfgloop.h (struct loop): Remove unused fields.
4870 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4872 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4873 (-dL, -fdump-rtl-loop2): Update the dump file names
4875 * doc/invoke.texi: Update dump file names.
4877 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4879 * predict.c (estimate_probability): Remove.
4880 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4881 * basic-block.h (estimate_probability): Remove prototype.
4882 * passes.c (finish_optimization_passes): Dump branch prediction or
4883 profiling heuristics to the .profile tree dump.
4884 (init_optimization_passes): Unqueue pass_branch_prob.
4886 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4888 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4890 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4891 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4893 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4895 * function.h (frame_offset_overflow): Declare.
4896 * function.c (frame_offset_overflow): New function.
4897 (assign_stack_local_1): Call it to detect that the offset overflows.
4898 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4900 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4902 * config/sh/sh.c: Include alloc-pool.h.
4903 (label_ref_list_pool): New alloc pool.
4904 (label_ref_list_t): New type for lists of labels.
4905 (struct pool_node): Make wend a label_ref_list_t.
4906 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4908 (dump_table): Likewise.
4909 (sh_reorg): Set up the alloc pool before using add_constant and
4910 dump_table, and destroy it when finishing.
4912 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4914 * config/mips/mips.c: Remove redundant comment.
4916 2006-03-10 Jason Merrill <jason@redhat.com>
4919 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4920 the target was declared 'register'.
4922 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4924 * genpreds.c (write_insn_constraint_len): Change definition of
4925 insn_constraint_len to return size_t to match the declaration.
4927 2006-03-10 DJ Delorie <dj@redhat.com>
4929 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4931 (m32c_expand_insv): Fix test for an AND mask.
4933 2006-03-10 Richard Guenther <rguenther@suse.de>
4936 * builtins.c (get_pointer_alignment): Handle component
4937 references for field alignment.
4939 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4941 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4942 when building with libgloss.
4943 (sh*elf): Implement --without-fp option.
4944 (sh64-superh-linux*): Don't multilib.
4946 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4948 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4950 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4952 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4953 Set it when one of the replacement functions returned true.
4954 Return TODO_cleanup_cfg if cfgchanged is true.
4955 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4957 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4959 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4960 instead of gen_lowpart.
4962 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4964 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4966 (mips_output_order_conditional_branch): Declare.
4967 * config/mips/mips.h (MIPS_BRANCH): New macro.
4968 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4969 for the comparison. Use gen_condjump.
4970 (mips_output_conditional_branch): Rework interface to take the
4971 asm templates for a direct branch and the inverse of a direct branch.
4972 (mips_output_order_conditional_branch): New function.
4973 (mips_builtin_branch_and_move): New function.
4974 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4975 branch condition. Use gen_single_cc as the condition for
4976 __builtin_mips_upper_* or __builtin_mips_lower_*.
4977 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4978 Use VOIDmode for the branch condition.
4979 * config/mips/predicates.md (order_operator): New predicate.
4980 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4981 (branch_fp): Rename to...
4982 (*branch_fp): ...this. Remove mode from comparison operator.
4983 Use new mips_output_conditional_branch interface.
4984 (branch_fp_inverted): Rename to...
4985 (*branch_fp_inverted): ...this and update as for *branch_fp.
4986 (*branch_zero<mode>): Rename to...
4987 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4988 Use mips_output_order_conditional_branch. Only accept ordered
4990 (*branch_zero<mode>_inverted): Rename to...
4991 (*branch_order<mode>_inverted): ...this and update as for
4992 *branch_order<mode>.
4993 (*branch_equality<mode>): Accept zero as the second operand to
4994 the equality operator. Use the new mips_output_conditional_branch
4996 (*branch_equality<mode>_inverted): Likewise.
4997 (condjump): New expander.
4998 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5000 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5001 (bc1any2t, bc1any2f): Likewise.
5002 (single_cc): New expander.
5003 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5005 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5007 * doc/md.texi: Update documentation of MIPS constraints.
5008 * config/mips/constraints.md: New file.
5009 * config/mips/mips.md: Include it.
5010 * config/mips/mips.c (mips_char_to_class): Delete.
5011 (override_options): Don't initialize mips_char_to_class.
5012 * config/mips/mips.h (mips_char_to_class): Delete.
5013 (REG_CLASS_FROM_LETTER): Delete.
5014 (CONST_OK_FOR_LETTER_P): Delete.
5015 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5016 (EXTRA_CONSTRAINT_Y): Delete.
5017 (EXTRA_CONSTRAINT_STR): Delete.
5018 (CONSTRAINT_LEN): Delete.
5019 (EXTRA_MEMORY_CONSTRAINT): Delete.
5021 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5023 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5024 original fn's eh regions.
5026 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5028 * fold-const.c (build_range_check): Make sure to use a valid type to
5029 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5032 (range_predecessor): New static function.
5033 (range_successor): Likewise.
5034 (merge_ranges): Use them to compute predecessors and successors of
5037 2006-03-09 Roger Sayle <roger@eyesopen.com>
5040 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5041 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5043 2006-03-08 DJ Delorie <dj@redhat.com>
5045 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5046 (addpsi3): Expand to include memory operands. Remove
5047 reload-specific splits.
5048 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5049 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5050 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5051 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5052 (shift1_qi, shift1_hi, insv): New.
5053 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5054 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5055 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5057 * config/m32c/m32c-protos.h: Update as needed.
5058 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5059 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5060 Fail for unrecognized R* constraints.
5061 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5062 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5063 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5065 (m32c_init_libfuncs): New.
5066 (m32c_legitimate_address_p): Add debug wrapper.
5067 (m32c_rtx_costs): New.
5068 (m32c_address_cost): New.
5069 (conversions): Add 'B' prefix.
5070 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5071 operands, or word regnames for QI operands. 'B' prints bit
5073 (m32c_expand_setmemhi): New.
5074 (m32c_expand_movmemhi): New.
5075 (m32c_expand_movstr): New.
5076 (m32c_expand_cmpstr): New.
5077 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5078 (m32c_expand_neg_mulpsi3): Handle non-ints.
5079 (m32c_cmp_flg_0): New.
5080 (m32c_expand_movcc): New.
5081 (m32c_expand_insv): New.
5082 (m32c_scc_pattern): New.
5083 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5084 a0/a1 out of SIregs.
5085 (STORE_FLAG_VALUE): New.
5086 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5089 * config/m32c/mov.md: Make constraints more liberal.
5090 (zero_extendqihi2): Optimize r0/r1 case.
5091 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5092 * config/m32c/predicates.md (m32c_any_operand): New.
5093 (m32c_nonimmediate_operand): New.
5094 (m32c_hl_operand): New.
5095 (m32c_r3_operand): New.
5098 (memsym_operand): New.
5099 (memimmed_operand): New.
5100 (a_qi_operand): New.
5101 (m32c_eqne_operator): New.
5102 (m32c_1bit8_operand): New.
5103 (m32c_1bit16_operand): New.
5104 (m32c_1mask8_operand): New.
5105 (m32c_1mask16_operand): New.
5106 * config/m32c/blkmov.md: New file.
5107 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5109 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5111 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5112 unsigned to fix signed/unsigned comparison issue in
5113 DWARF2_FRAME_REG_OUT.
5114 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5115 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5117 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5118 of ptr into the ENABLE_CHECKING section.
5120 2006-03-08 Jeff Law <law@redhat.com>
5122 * tree-vrp.c (infer_value_range): Only count pointer uses
5123 and dereferences if -fdelete-null-pointer-checks is enabled.
5125 * tree-vrp.c (find_assert_locations): Infer value ranges for
5126 single use pointers, but do not create ASSERT_EXPRs for them.
5127 When a non-null range is inferred for a pointer, backwards
5128 propagate that range to other equivalent pointers through the
5131 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5134 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5135 language hook targets.
5136 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5137 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5138 if language hook targets were missing.
5140 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5142 * tree-ssa-opfinalize.h: Removed.
5143 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5145 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5146 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5147 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5148 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5149 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5150 finalize_ssa_v_must_def_ops): New.
5152 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5154 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5157 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5159 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5161 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5162 addresses with offsets; reorganize.
5164 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5165 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5166 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5168 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5171 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5173 2006-03-08 Ben Elliston <bje@au.ibm.com>
5175 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5177 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5180 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5183 2006-03-07 Richard Guenther <rguenther@suse.de>
5185 PR tree-optimization/26587
5186 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5188 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5190 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5192 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5194 * hooks.c (hook_bool_mode_rtx_true): New function.
5195 * hooks.h (hook_bool_mode_rtx_true): Declare.
5196 * toplev.c (compile_file): Call output_shared_constant_pool.
5197 * varasm.c (shared_constant_pool): New variable.
5198 (assemble_start_function, assemble_end_function): Remove arguments
5199 from call to output_constant_pool.
5200 (create_constant_pool): New function, split out from...
5201 (init_varasm_status): ...here.
5202 (force_const_mem): Choose between the shared and per-function constant
5203 pools. Set current_function_uses_const_pool when reusing old entries
5204 as well as when creating new ones.
5205 (mark_constant): Ignore data argument.
5206 (mark_constants): Remove pool argument.
5207 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5208 to decide whether the function uses a constant pool.
5209 (output_constant_pool_contents): New function, split out from...
5210 (output_constant_pool): ...here.
5211 (output_shared_constant_pool): New function.
5212 (init_varasm_once): Initialize shared_constant_pool.
5213 * output.h (output_constant_pool): Delete.
5214 (output_shared_constant_pool): Declare.
5215 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5216 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5218 2006-03-06 Nick Clifton <nickc@redhat.com>
5220 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5221 flag_strength_reduce.
5223 2006-03-06 Ben Elliston <bje@au.ibm.com>
5225 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5226 x86_64-*-linux* configurations.
5228 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5229 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5231 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5233 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5235 * basic-block.h: Remove the extern for
5236 rediscover_loops_after_threading.
5238 * cfgloop.c (cancel_loop): Make it static.
5239 * cfgloop.h: Remove the prototype for cancel_loop.
5241 * flow.c (recompute_reg_usage): Make it static.
5242 * rtl.h: Remove the prototype for recompute_reg_usage.
5244 * function.c (use_return_register): Make it static.
5245 * function.h: Remove the prototype.
5247 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5249 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5251 * recog.h: Remove the prototype for
5252 validate_change_maybe_volatile.
5254 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5256 * rtlanal.c (replace_reg): Remove.
5257 * rtl.h: Remove the prototype for replace_reg.
5259 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5261 * regclass.c (reg_scan_update): Remove.
5262 (reg_scan_mark_refs): Remove the last argument.
5263 * rtl.h: Remove the prototype for reg_scan_update.
5265 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5267 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5268 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5269 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5270 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5271 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5272 loop-invariant.c, omp-low.c, opts.c, passes.c,
5273 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5274 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5275 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5276 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5277 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5278 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5280 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5282 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5283 * dwarf2out.h: Remove the prototype for
5284 dwarf2out_add_library_unit_info.
5286 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5288 * tree.c (add_var_to_bind_expr): Remove.
5289 * tree.h: Remove the prototype for add_var_to_bind_expr.
5291 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5293 * regclass.c (n_non_fixed_regs): Remove.
5294 (init_reg_sets_1, globalize_reg): Remove all uses of
5296 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5298 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5300 * rtlanal.c (insns_safe_to_move_p): Remove.
5301 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5303 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5305 * expmed.c (expand_mult_add): Remove.
5306 * expr.h: Remove the prototype for expand_mult_add.
5308 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5310 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5311 and REG_SAVED_VAL_EXP constants.
5312 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5313 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5314 Handle regs stored by value.
5315 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5316 (execute_cfa_program): Handle DW_CFA_val_offset,
5317 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5318 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5319 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5320 (uw_install_context_1): Handle target regs stored by value.
5322 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5324 * tree-sra.c (tree_sra): Return todoflags;
5325 (generate_one_element): Set TODO_update_smt_usage if needed.
5326 (pass_sra): Remove TODO_update_smt_usage.
5327 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5329 (tree_ssa_forward_propagate_single_use_vars): Return
5330 TODO_update_smt_usage if we need to update SMT usage.
5331 (pass_forwprop): Remove TODO_update_smt_usage.
5333 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5335 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5336 (correct_use_link): Remove reference to get_stmt_operands.
5337 (update_stmt_operands): Likewise.
5338 (get_modify_expr_operands): New function factored out of
5339 parse_ssa_operands and get_expr_operands.
5340 Try to create V_MUST_DEFs for LHS by default.
5341 (get_expr_operands) <case MODIFY_EXPR>: Call
5342 get_modify_expr_operands.
5343 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5344 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5345 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5346 get_modify_expr_operands.
5348 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5350 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5351 * tree-flow.h: Remove the prototype for
5352 referenced_var_lookup_if_exists.
5354 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5356 PR rtl-optimization/26345
5358 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5360 2006-03-03 Roger Sayle <roger@eyesopen.com>
5362 PR tree-optimization/26524
5363 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5364 fold_convert to create a constant of the appropriate type.
5366 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5368 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5369 SYMBOL_REF_IN_BLOCK_P.
5370 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5371 of SYMBOL_FLAG_IN_BLOCK.
5372 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5373 instead of SYMBOL_REF_IN_BLOCK_P.
5374 * explow.c (use_anchored_address): Likewise.
5375 * rtl.c (rtx_size): Likewise.
5376 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5377 instead of SYMBOL_FLAG_IN_BLOCK.
5378 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5379 SYMBOL_REF_IN_BLOCK_P.
5380 (assemble_variable): Likewise.
5381 (output_constant_def_contents): Likewise.
5382 (output_constant_pool): Likewise.
5383 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5384 instead of SYMBOL_FLAG_IN_BLOCK.
5385 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5386 SYMBOL_REF_IN_BLOCK_P.
5387 (SYMBOL_REF_BLOCK): Likewise.
5388 (SYMBOL_REF_OFFSET): Likewise.
5389 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5390 SYMBOL_REF_IN_BLOCK_P.
5391 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5392 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5393 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5394 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5396 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5398 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5400 2006-03-02 Roger Sayle <roger@eyesopen.com>
5402 * simplify-rtx.c (simplify_unary_operation): When simplifying
5403 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5404 that we perform the right shift in the appropriate mode, and
5405 then extend or truncate the result to requested mode.
5407 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5409 * gengtype.c (main): Handle double_int type.
5410 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5411 * double-int.c: New file.
5412 * double-int.h: New file.
5413 * system.h: Include doubleint.h.
5414 * Makefile.in (SYSTEM_H): Include double-int.h.
5415 (double-int.o): Add.
5417 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5420 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5423 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5425 * tree-vrp.c (remove_range_assertions): Do not update statements
5428 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5430 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5432 * gcse.c (rest_of_handle_gcse): Ditto.
5433 * except.c (gate_handle_eh): Ditto.
5434 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5435 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5437 2006-03-02 Eric Christopher <echristo@apple.com>
5439 * config/i386/i386.c (machopic_output_stub): Add indirection to
5442 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5446 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5448 Sun Niagara specific optimizations.
5449 * config.gcc: Recognize niagara as target.
5450 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5451 (TARGET_CPU_niagara): Define.
5452 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5453 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5454 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5455 (ASM_CPU_SPEC): Likewise.
5456 (PROCESSOR_NIAGARA): New enum entry.
5457 (REGISTER_MOVE_COST): Handle Niagara.
5458 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5459 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5460 (sparc_override_options): Recognize "niagara", set appropriate
5461 default MASK_* values for it, and align functions to 32-bytes
5462 by default just like ULTRASPARC/ULTRASPARC3.
5463 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5464 (sparc64_initialize_trampoline): Likewise.
5465 (sparc_use_sched_lookahead): Use zero for niagara.
5466 (sparc_issue_rate): Use one for niagara.
5467 * config/sparc/niagara.md: New file.
5468 * config/sparc/sparc.md: Include it.
5469 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5470 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5471 when default cpu is niagara.
5472 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5473 (ASM_CPU_SPEC): Likewise.
5474 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5475 when default cpu is niagara.
5476 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5477 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5478 just like v9/ultrasparc/ultrasparc3.
5479 * doc/invoke.texi: Add documentation for "niagara" and improve
5480 existing documentation for ultrasparc variants.
5482 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5484 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5486 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5488 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5489 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5490 and say that only one is needed.
5491 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5492 * target.h (have_switchable_bss_sections): New hook.
5493 * explow.c (use_anchored_address): Check that the symbol is in a block.
5494 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5495 (bss_noswitch_section): New variables.
5496 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5497 (get_noswitch_section): New function.
5498 (get_block_for_section): Allow SECT to be null.
5499 (unlikely_text_section_p): Use SECTION_STYLE.
5500 (bss_initializer_p): New function.
5501 (get_variable_section): Move earlier in file. Take a new argument,
5502 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5503 Return one of the new *_sections in such cases.
5504 (get_block_for_decl): New function, extracting some logic from
5505 use_blocks_for_decl_p.
5506 (change_symbol_section): Remove in favor of...
5507 (change_symbol_block): ...this new function.
5508 (use_blocks_for_decl_p): Remove checks now performed by
5510 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5511 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5512 (emit_local, emit_bss, emit_common): ...these new functions.
5513 Return true if the alignment was honored.
5514 (emit_tls_common): New function.
5515 (asm_emit_uninitialised): Delete.
5516 (assemble_variable_noswitch): New function, split out from...
5517 (assemble_variable): ...here. Don't make decisions about common
5518 variables here. Globalize all public decls that go into non-common
5519 sections. Check whether SYMBOL_REF_BLOCK is null.
5520 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5521 (output_constant_pool): Likewise.
5522 (init_varasm_once): Initialize the new section variables.
5523 (have_global_bss_p): New function.
5524 (categorize_decl_for_section): Use bss_initializer_p.
5525 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5526 (place_block_symbol): Assert that the symbol must be in a block.
5527 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5528 (TARGET_INITIALIZER): Include it.
5529 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5530 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5531 (SECTION_MACH_DEP): Bump by two.
5532 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5533 (unnamed_section): Mention SECTION_UNNAMED in comment.
5534 (named_section): Likewise SECTION_NAMED.
5535 (noswitch_section_callback): New type.
5536 (noswitch_section): New structure.
5537 (section): Add a noswitch_section alternative.
5538 (SECTION_STYLE): New macro.
5539 (tls_comm_section, comm_section, lcomm_section): Declare.
5540 (bss_noswitch_section, have_global_bss_p): Declare.
5541 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5542 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5544 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5545 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5548 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5550 * tree-vrp.c (execute_vrp): Return value.
5551 * regrename.c (rest_of_handle_regrename): Ditto.
5552 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5553 * tree-complex.c (tree_lower_complex): Ditto.
5554 (tree_lower_complex_O0): Ditto.
5555 * tracer.c (rest_of_handle_tracer): Ditto.
5556 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5557 * postreload.c (rest_of_handle_postreload): Ditto.
5558 * tree-tailcall.c (execute_tail_recursion): Ditto.
5559 (execute_tail_calls): Ditto.
5560 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5561 * tree.h (init_function_for_compilation): Ditto.
5562 * ipa-cp.c (ipcp_driver): Ditto.
5563 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5564 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5565 * final.c (compute_alignments): Ditto.
5566 (rest_of_handle_final): Ditto.
5567 (rest_of_handle_shorten_branches): Ditto.
5568 (rest_of_clean_state): Ditto.
5569 * omp-low.c (execute_expand_omp): Ditto.
5570 (execute_lower_omp): Ditto.
5571 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5572 * ipa-reference.c (static_execute): Ditto.
5573 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5574 * reorg.c (rest_of_handle_delay_slots): Ditto.
5575 (rest_of_handle_machine_reorg): Ditto.
5576 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5577 * flow.c (recompute_reg_usage): Ditto.
5578 (rest_of_handle_remove_death_notes): Ditto.
5579 (rest_of_handle_life): Ditto.
5580 (rest_of_handle_flow2): Ditto.
5581 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5582 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5583 (do_ssa_store_ccp): Ditto.
5584 (execute_fold_all_builtins): Ditto.
5585 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5586 * modulo-sched.c (rest_of_handle_sms): Ditto.
5587 * ipa-pure-const.c (static_execute): Ditto.
5588 * cse.c (rest_of_handle_cse): Ditto.
5589 (rest_of_handle_cse2): Ditto.
5590 * web.c (rest_of_handle_web): Ditto.
5591 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5592 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5593 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5594 * tree-nrv.c (tree_nrv): Ditto.
5595 (execute_return_slot_opt): Ditto.
5596 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5597 (create_structure_vars): Ditto.
5598 * loop-init.c (rtl_loop_init): Ditto.
5599 (rtl_loop_done): Ditto.
5600 (rtl_move_loop_invariants): Ditto.
5601 (rtl_unswitch): Ditto.
5602 (rtl_unroll_and_peel_loops): Ditto.
5603 (rtl_doloop): Ditto.
5604 * gimple-low.c (lower_function_body): Ditto.
5605 (mark_used_blocks): Ditto.
5606 * tree-ssa-sink.c (execute_sink_code): Ditto.
5607 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5608 (cgraph_early_inlining): Ditto.
5609 * global.c (rest_of_handle_global_alloc): Ditto.
5610 * jump.c (cleanup_barriers): Ditto.
5611 (purge_line_number_notes): Ditto.
5612 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5613 (rest_of_handle_if_after_reload): Ditto.
5614 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5615 (tree_ssa_loop_im): Ditto.
5616 (tree_ssa_loop_unswitch): Ditto.
5617 (tree_vectorize): Ditto.
5618 (tree_linear_transform): Ditto.
5619 (tree_ssa_loop_ivcanon): Ditto.
5620 (tree_ssa_empty_loop): Ditto.
5621 (tree_ssa_loop_bounds): Ditto.
5622 (tree_complete_unroll): Ditto.
5623 (tree_ssa_loop_prefetch): Ditto.
5624 (tree_ssa_loop_ivopts): Ditto.
5625 (tree_ssa_loop_done): Ditto.
5626 * predict.c (tree_estimate_probability): Ditto.
5627 * recog.c (split_all_insns_noflow): Ditto.
5628 (rest_of_handle_peephole2): Ditto.
5629 (rest_of_handle_split_all_insns): Ditto.
5630 * tree-eh.c (lower_eh_constructs): Ditto.
5631 * regmove.c (rest_of_handle_regmove): Ditto.
5632 (rest_of_handle_stack_adjustments): Ditto.
5633 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5634 * function.c (instantiate_virtual_regs): Ditto.
5635 (init_function_for_compilation): Ditto.
5636 (rest_of_handle_check_leaf_regs): Ditto.
5637 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5638 (rest_of_handle_gcse): Ditto.
5639 * ipa-type-escape.c (type_escape_execute): Ditto.
5640 * alias.c (rest_of_handle_cfg): Ditto.
5641 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5642 * profile.c (rest_of_handle_branch_prob): Ditto.
5643 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5644 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5645 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5646 * tree-dfa.c (find_referenced_vars): Ditto.
5647 * except.c (set_nothrow_function_flags): Ditto.
5648 (convert_to_eh_region_ranges): Ditto.
5649 (rest_of_handle_eh): Ditto.
5650 * emit-rtl.c (unshare_all_rtl): Ditto.
5651 (remove_unnecessary_notes): Ditto.
5652 * except.h (set_nothrow_function_flags): Ditto.
5653 (convert_to_eh_region_ranges): Ditto.
5654 * cfgexpand.c (tree_expand_cfg): Ditto.
5655 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5656 * tree-ssa-pre.c (do_pre): Ditto.
5657 (execute_fre): Ditto.
5658 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5659 (rest_of_handle_jump2): Ditto.
5660 * tree-sra.c (tree_sra): Ditto.
5661 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5662 (execute_mudflap_function_decls): Ditto.
5663 * tree-ssa-copy.c (do_copy_prop): Ditto.
5664 (do_store_copy_prop): Ditto.
5665 * ipa-prop.h (ipcp_driver): Ditto.
5666 * cfglayout.c (insn_locators_initialize): Ditto.
5667 * tree-ssa-forwprop.c
5668 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5669 * cfglayout.h (insn_locators_initialize): Ditto.
5670 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5671 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5672 (execute_late_warn_uninitialized): Ditto.
5673 * rtl.h (cleanup_barriers): Ditto.
5674 (split_all_insns_noflow): Ditto.
5675 (purge_line_number_notes): Ditto.
5676 (unshare_all_rtl): Ditto.
5677 (remove_unnecessary_notes): Ditto.
5678 (recompute_reg_usage): Ditto.
5679 (variable_tracking_main): Ditto.
5680 * integrate.c (emit_initial_value_sets): Ditto.
5681 * integrate.h (emit_initial_value_sets): Ditto.
5682 * tree-optimize.c (execute_free_datastructures): Ditto
5683 (execute_free_cfg_annotations): Ditto.
5684 (execute_fixup_cfg): Ditto.
5685 (execute_cleanup_cfg_pre_ipa): Ditto.
5686 (execute_cleanup_cfg_post_optimizing): Ditto.
5687 (execute_init_datastructures): Ditto.
5688 * tree-object-size.c (compute_object_sizes): Ditto.
5689 * combine.c (rest_of_handle_combine): Ditto.
5690 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5691 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5692 (rest_of_handle_reorder_blocks): Ditto.
5693 (rest_of_handle_partition_blocks): Ditto.
5694 * var-tracking.c (variable_tracking_main): Ditto.
5695 * tree-profile.c (tree_profiling): Ditto.
5696 * tree-vect-generic.c (expand_vector_operations): Ditto.
5697 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5698 * sched-rgn.c (rest_of_handle_sched): Ditto.
5699 (rest_of_handle_sched2): Ditto.
5700 * basic-block.h (free_bb_insn): Ditto.
5701 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5702 * tree-cfg.c (execute_build_cfg): Ditto.
5703 (remove_useless_stmts): Ditto.
5704 (split_critical_edges): Ditto.
5705 (execute_warn_function_return): Ditto.
5706 (execute_warn_function_noreturn): Ditto.
5707 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5708 * cfgrtl.c (free_bb_for_insn): Ditto.
5709 * passes.c (execute_one_pass): Run additional
5710 todos returned by execute function.
5711 * tree-pass.h (struct tree_opt_pass): Make execute
5714 2006-03-02 Richard Guenther <rguenther@suse.de>
5716 * tree-ssa-alias.c (find_used_portions): Consider taking
5717 the address as making the variable not write-only.
5719 2006-03-02 Nick Clifton <nickc@redhat.com>
5721 * config.gcc (default_use_cxa_atexit): Extend the description of
5722 this configure variable. Set its default value to "yes" for
5723 Linux, NetBSD and ELF targets on the assumption that they will
5724 use C libraries with the __cxa_atexit function.
5726 2006-03-02 Ben Elliston <bje@au.ibm.com>
5728 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5729 parameter as unused to suppress a build warning.
5731 2006-03-02 Ben Elliston <bje@au.ibm.com>
5733 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5736 2006-03-01 Roger Sayle <roger@eyesopen.com>
5739 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5740 declared name, the weak reference name, and the typeof name.
5741 (__gthrw): Avoid expanding the declared name suffix.
5742 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5744 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5746 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5748 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5749 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5750 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5751 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5752 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5753 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5754 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5755 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5756 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5757 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5758 (DW_END_default, DW_END_big, DW_END_little): New.
5759 (DW_END_lo_user, DW_END_hi_user): Define.
5760 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5761 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5762 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5765 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5767 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5769 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5771 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5773 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5775 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5776 to 'symbol_mem_tag'.
5778 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5781 2006-03-01 Roger Sayle <roger@eyesopen.com>
5783 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5785 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5788 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5789 MACHO_DYNAMIC_NO_PIC_P.
5790 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5792 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5795 * config/darwin-protos.h (darwin_asm_output_anchor):
5797 * config/darwin-sections.def (cstring_section):
5798 Add SECTION_MERGE to the flags.
5799 (literal4_section): Likewise.
5800 (literal8_section): Likewise.
5801 (objc_selector_refs_section): Likewise.
5802 (objc_cls_refs_section): Likewise.
5803 * config/darwin.c (darwin_asm_output_anchor): New
5805 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5807 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5809 Fix PR tree-optimization/26443
5810 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5811 to todo and PROP_tmt_usage to properties_destroyed.
5812 * tree-ssa-ccp.c (pass_ccp): Ditto.
5813 (pass_store_ccp): Ditto.
5814 * tree-ssa-dom.c (pass_dominator): Ditto.
5816 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5818 * tree-ssa-operands.c: Cleanup whitespace.
5819 (get_asm_expr_operands): Move before first invocation.
5820 (get_indirect_ref_operands): Likewise.
5821 (get_tmr_operands): Likewise.
5822 (get_call_expr_operands): Likewise.
5823 (append_def): Likewise.
5824 (append_use): Likewise.
5825 (append_v_may_def): Likewise.
5826 (append_v_must_def): Likewise.
5827 (add_call_clobber_ops): Likewise.
5828 (add_call_read_ops): Likewise.
5829 (add_stmt_operand): Likewise.
5830 (add_virtual_operand): Likewise.
5831 (build_ssa_operands): Likewise.
5833 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5838 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5839 with a call expr to ...
5840 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5842 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5844 * tree-vrp.c (extract_range_from_assert): Remove special
5845 handling for types with super-types.
5847 2006-03-01 Ben Elliston <bje@au.ibm.com>
5849 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5850 and powerpc64-*-linux* configurations.
5851 * config/t-dfprules: New file.
5853 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5854 Compile dfp-bit.c from the source directory using -DWIDTH and
5855 $DFP_CFLAGS to control the compilation of that file, rather than
5856 generating width-specific versions in the build directory.
5857 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5858 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5860 2006-02-28 Zack Weinberg <zackw@panix.com>
5862 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5865 2006-02-28 Eric Christopher <echristo@apple.com>
5867 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5868 Set up IN_LIBGCC definition of TARGET_64BIT.
5869 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5871 2006-02-28 Roger Sayle <roger@eyesopen.com>
5874 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5875 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5876 cases via the construction of "expr != 0".
5878 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5880 * alias.c (alias_invariant, alias_invariant_size): Remove.
5881 (record_base_value): Remove.
5882 (memrefs_conflict_p): Don't look at alias_invariant.
5883 (end_alias_analysis): Don't free it.
5884 * alias.h (record_base_value): Remove prototype.
5886 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5887 Adam Nemet <anemet@caviumnetworks.com>
5889 * rtl.h (truncated_to_mode): Declare it.
5890 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5891 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5892 (RTL_HOOKS_INITIALIZER): Include it.
5893 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5894 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5895 reg_truncated_to_mode.
5896 * rtlanal.c (truncated_to_mode): Define it.
5897 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5899 2006-02-28 Jeff Law <law@redhat.com>
5901 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5902 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5903 the range allowed by TYPE_PRECISION.
5905 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5907 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5909 PR tree-optimization/26419
5910 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5913 2006-02-27 Zack Weinberg <zackw@panix.com>
5915 * doc/md.texi: Fix typo in previous change.
5917 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5921 2006-02-27 Zack Weinberg <zackw@panix.com>
5923 * rtl.def (define_constraint, define_register_constraint)
5924 (define_memory_constraint, define_address_constraint): New MD forms.
5925 * gensupport.c (process_rtx): Put define_constraint etc on the
5927 * genpreds.c (process_define_predicate): Adjust comment. Validate
5928 the name, and call validate_exp to validate the expression.
5929 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5930 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5931 all callers changed.
5932 (validate_exp, needs_variable, struct constraint_data)
5933 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5934 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5935 (const_dbl_constraints, constraint_max_namelen)
5936 (have_register_constraints, have_memory_constraints)
5937 (have_address_constraints, have_address_constraints)
5938 (have_extra_constraints, have_const_int_constraints)
5939 (have_const_dbl_constraints, mangle, add_constraint)
5940 (process_define_constraint, process_define_register_constraint)
5941 (write_enum_constraint_num, write_lookup_constraint)
5942 (write_insn_constraint_len, write_regclass_for_constraint)
5943 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5944 (write_insn_extra_memory_constraint)
5945 (write_insn_extra_address_constraint)
5946 (write_satisfies_constraint_fns): New.
5947 (write_tm_preds_h): If we have new-style constraint definitions,
5948 prototype the functions generated from them, and define the
5949 old constraint interface (still used by generic code) in terms of
5951 (write_insn_preds_c): If we have new-style constraint definitions,
5952 generate all relevant functions from those definitions.
5953 (main): Handle define_constraint etc.
5954 * genoutput.c (struct constraint_data, indep_constraints)
5955 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5956 (mdep_constraint_len): New data structures and functions, defined
5957 #ifdef USE_MD_CONSTRAINTS.
5958 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5959 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5960 use new logic to validate operand constraints against constraint
5962 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5964 * defaults.h: If none of the old-style constraint macros are
5965 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5966 old-style macros; and poison REG_CLASS_FROM_LETTER,
5967 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5969 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5970 * doc/md.texi: Document new constraint-definition mechanism and the
5971 C interface it provides. Remove references to old mechanism
5972 elsewhere in the document.
5973 (Machine Constraints): Use pathnames relative to gcc directory,
5974 i.e. config/ARCH/FILE. Change i386 section to refer to
5975 config/i386/predicates.md; update that section to match docstrings.
5976 * doc/tm.texi: Move all documentation of the old constraint-
5977 definition macros to their own section, clearly mark as obsolete.
5979 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5980 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5982 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5983 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5984 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5986 (splits and peepholes): Use satisfies_constraint_*.
5987 * config/i386/i386.c (memory_address_length)
5988 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5990 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5992 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5993 scalar operation to be put back into the loop.
5995 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5998 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5999 (extract_cie_info): Handle S flag in augmentation string.
6000 (execute_cfa_program): If context->signal_frame, execute also
6001 fs->pc == context->ra instructions.
6002 (uw_frame_state_for): If context->signal_frame, don't subtract one
6003 from context->ra to find FDE.
6004 (uw_update_context_1): Set context->signal_frame to
6006 (_Unwind_GetIPInfo): New function.
6007 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6008 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6010 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6011 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6012 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6013 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6014 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6015 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6016 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6017 x86_64_fallback_frame_state): Set fs->signal_frame.
6018 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6019 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6020 (frob_update_context): Likewise. Workaround missing S flag in
6021 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6022 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6023 Remove the psw_addr + 1 hack.
6025 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6027 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6028 with aggregates here.
6029 (find_func_aliases): Remove code for &<aggregate> from here.
6031 2006-02-26 Roger Sayle <roger@eyesopen.com>
6033 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6034 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6035 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6038 2006-02-26 Roger Sayle <roger@eyesopen.com>
6041 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6043 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6045 * opts.c (decode_options): Do not handle flag_strength_reduce.
6046 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6047 and OPT_fstrength_reduce.
6048 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6049 flag_prefetch_loop_arrays for being nonzero.
6050 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6052 (fprefetch-loop-arrays-rtl): Removed.
6053 (flag_prefetch_loop_arrays): Do not specify the value.
6055 * doc/passes.texi: Update documentation of loop optimizer
6057 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6058 -frerun-loop-opt): Remove.
6060 2006-02-26 Richard Guenther <rguenther@suse.de>
6062 PR tree-optimization/26421
6063 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6064 in function calls that are ADDR_EXPRs as using the whole structure.
6066 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6068 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6069 * tree-pass.h (pass_loop_optimize): Remove.
6070 * passes.c (pass_loop_optimize): Never run it.
6071 * toplev.c (backend_init): Don't call init_loop.
6072 * opts.c (flag_loop_optimize_set): Remove.
6073 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6074 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6075 the old RTL loop optimizer when profiling enabled.
6076 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6077 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6078 pre-headers for the sake of the old RTL loop optimizer.
6079 * Makefile.in: Remove all references to loop.o.
6081 * doc/invoke.texi: Remove all references to -floop-optimize
6082 and -frerun-loop-opt.
6084 2006-02-26 Zack Weinberg <zackw@panix.com>
6086 * doc/md.texi (Machine Constraints): Refer to all files with paths
6087 relative to gcc directory (i.e. config/CPU/file). Add missing
6088 @table @code ... @end table to M32C subsection.
6090 2006-02-26 Roger Sayle <roger@eyesopen.com>
6092 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6094 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6096 2006-02-26 Roger Sayle <roger@eyesopen.com>
6097 James A. Morrison <phython@gcc.gnu.org>
6100 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6101 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6102 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6103 signedness of the shift operation.
6105 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6107 PR tree-optimization/26359
6108 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6110 2006-02-25 Roger Sayle <roger@eyesopen.com>
6112 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6113 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6114 as X == 0, and some symmetry related transformations.
6115 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6117 2006-02-25 Roger Sayle <roger@eyesopen.com>
6120 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6121 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6122 symmetry related transformations. Fold (X^C1) == C2 as
6125 2006-02-25 Juergen Weigert <jw@suse.de>
6126 Richard Guenther <rguenther@suse.de>
6128 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6130 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6132 * combine.c (gen_lowpart_or_truncate): Call
6133 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6135 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6137 * doc/invoke.texi: Move -fopenmp description to "Options for
6139 Remove reference to -lgomp.
6141 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6143 * doc/install.texi: Require GNU tar version 1.14.
6145 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6147 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6148 * doc/invoke.texi (C++ Dialect Options): Document
6149 -fno-use-cxa-get-exception-ptr.
6150 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6151 * configure: Regenerate.
6152 * c.opt (fuse-cxa-get-exception-ptr): New.
6153 * c-opts.c (c_common_handle_option): Handle
6154 OPT_fuse_cxa_get_exception_ptr.
6155 * c-common.c (flag_use_cxa_atexit): Update documentation.
6156 (flag_use_cxa_get_exception_ptr): New.
6157 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6158 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6160 (C_COMMON_OVERRIDE_OPTIONS): New.
6162 2006-02-24 Roger Sayle <roger@eyesopen.com>
6165 * combine.c (try_combine): Explicitly check whether GET_CODE is
6166 a SET or a CLOBBER, instead on checking that it isn't a USE.
6168 2006-02-24 Roger Sayle <roger@eyesopen.com>
6170 * fold-const.c (fold_comparison): New subroutine of fold_binary
6171 containing transformations common to both the equality and
6172 ordering relational operators, factored out of fold_binary.
6173 (fold_binary): Separate out the equality operators (EQ_EXPR
6174 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6175 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6176 transformations common to both.
6177 (fold_div_compare): Fix latent bugs in the previously unreachable
6178 LT_EXPR and GE_EXPR cases.
6180 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6182 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6183 decl libname for clog to __clog on AIX.
6185 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6187 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6190 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6191 output traceback table for thunks. Localise rs6000_stack_info call.
6193 2006-02-23 Roger Sayle <roger@eyesopen.com>
6194 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6196 * gthr-posix.h (__gthrw): Fix typo in comment.
6198 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6200 * doc/cpp.texi (Character sets): Document that we do support
6201 input files to be in any character set.
6203 2006-02-23 Jeff Law <law@redhat.com>
6205 * tree.h (PHI_ARG_NONZERO): Remove.
6206 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6207 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6208 node to the new node.
6210 PR tree-optimization/26425
6211 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6212 min/max, then assume its varying.
6214 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6216 PR rtl-optimization/26316
6217 * rtlanal.c (enum may_trap_p_flags): New.
6218 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6219 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6220 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6221 (may_trap_after_code_motion_p): New function.
6222 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6223 (find_invariant_insn): Use may_trap_after_code_motion_p.
6224 * rtl.h (may_trap_after_code_motion_p): Declare.
6226 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6228 * emit-rtl.c (immed_double_const): Cleanup.
6230 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6232 Fix PR tree-optimization/26376
6233 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6236 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6239 * gimplify.c (omp_add_variable): Guard variable size decl test with
6240 DECL_SIZE (decl) check.
6242 2006-02-23 Richard Guenther <rguenther@suse.de>
6245 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6246 like aggregate types.
6248 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6250 * configure.ac: Add --with{,out}-long-double-128 configure option.
6251 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6252 * configure: Rebuilt.
6253 * config.in: Rebuilt.
6254 * doc/install.texi (Options specification): Document
6255 --with-long-double-128.
6257 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6258 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6259 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6260 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6262 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6264 * config/s390/s390.c (override_options): Handle
6265 TARGET_DEFAULT_LONG_DOUBLE_128.
6267 * config/alpha/alpha.c (override_options): Handle
6268 TARGET_DEFAULT_LONG_DOUBLE_128.
6270 * config/sparc/sparc.c (sparc_override_options): Handle
6271 TARGET_DEFAULT_LONG_DOUBLE_128.
6273 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6275 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6276 (real-install-headers-tar, real-install-headers-cpio)
6277 (real-install-headers-cp): New targets.
6279 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6281 * tree.h (variable_section): Delete.
6282 * varasm.c (variable_section): Delete.
6284 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6286 * install.texi: Add notes on install.texi2html.
6287 (Building in parallel): Do not use footnotes.
6289 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6292 * doc/install.texi (Configuration): Document --disable-libgomp.
6294 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6296 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6298 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6300 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6301 (vec_extractv2df_0_sse): New.
6303 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6305 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6306 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6307 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6308 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6309 to the result of the expression.
6310 (def_cfa_1): Adjust.
6311 (frame_pointer_cfa_offset): Rename to...
6312 (frame_pointer_fb_offset): ... this. Adjust all uses.
6313 (convert_cfa_to_loc_list): Rename to...
6314 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6315 Pass it on to build_cfa_loc.
6316 (compute_frame_pointer_to_cfa_displacement): Rename to...
6317 (compute_frame_pointer_to_fb_displacement): ... this. New
6318 offset parameter. Use it in computation.
6319 (gen_subprogram_die): Compute cfa_fb_offset with the new
6320 macro, and use it to compute the fb loc list and the
6323 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6325 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6326 replaced with register_operand.
6327 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6328 non-DREG is expensive.
6329 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6330 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6333 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6335 * doc/install.texi2html: Use set -e.
6337 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6339 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6340 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6341 * doc/invoke.texi (-fshared-data): Delete.
6342 * common.opt (fshared-data): Delete.
6343 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6344 (assemble_static_space): Remove #if 0 code.
6345 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6346 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6347 * config/cris/cris.h: Remove FIXME.
6349 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6351 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6354 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6357 * combine.c (simplify_shift_const_1): Disable nested shifts
6358 optimization for vector shifts.
6360 2006-02-20 Roger Sayle <roger@eyesopen.com>
6362 PR tree-optimization/26361
6363 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6364 of unsigned integer types.
6366 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6368 * tree-chrec.c (eq_evolutions_p): New.
6369 * tree-chrec.h (eq_evolutions_p): Declared.
6370 * tree-data-ref.c: Fix formatting.
6371 (datadep_stats, dependence_stats): New.
6373 (print_direction_vector): New.
6374 (dump_data_dependence_relation): Use print_direction_vector.
6375 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6376 (compute_subscript_distance): Static.
6377 (initialize_data_dependence_relation): Static. Get the number
6378 of loops surrounding the references from the callers, and initialize
6379 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6380 base_object_differ_p analyzers.
6381 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6382 compute_overlap_steps_for_affine_1_2,
6383 analyze_subscript_affine_affine): Count the classified dependences.
6384 Print a message when a test failed.
6385 (can_use_analyze_subscript_affine_affine): New.
6386 (analyze_siv_subscript): Compute the data dependences on symbolic
6387 scevs that verify can_use_analyze_subscript_affine_affine.
6388 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6389 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6390 Handle symbolic scevs.
6391 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6393 (subscript_dependence_tester): Moved...
6394 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6395 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6396 DDR_SIZE_VECT instead of getting it in parameter.
6397 (subscript_dependence_tester): ... here. Take as a parameter
6398 loop_nest_depth. Call build_classic_dist_vector and
6399 build_classic_dir_vector.
6400 (compute_affine_dependence): Update subscript_dependence_tester
6401 parameters. Update datadep_stats counters. Call
6402 compute_subscript_distance.
6403 (compute_self_dependence): Save the dist and dir vectors. Call
6404 compute_subscript_distance.
6405 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6406 (compute_all_dependences): Reorder parameters as they were before
6407 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6408 compute_subscript_distance. Update the use of
6409 compute_affine_dependence and initialize_data_dependence_relation.
6410 (find_data_references_in_loop): Handle COMPONENT_REF.
6411 (compute_data_dependences_for_loop): Initialize dependence_stats.
6412 Don't call build_classic_dist_vector and build_classic_dir_vector.
6413 Update the parameters of initialize_data_dependence_relation and
6414 compute_all_dependences. Print the statistics from datadep_stats.
6415 (analyze_all_data_dependences): Static. Not used until the pass for
6416 checking the data dependences is contributed.
6417 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6418 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6419 (initialize_data_dependence_relation, compute_affine_dependence,
6420 analyze_all_data_dependences, compute_subscript_distance): Removed.
6421 (print_direction_vector): New.
6422 * lambda.h (gcd): ... here.
6423 (lambda_vector_gcd): Moved here from gcd_vector.
6424 * lambda-code.c (gcd, gcd_vector): Removed.
6425 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6426 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6428 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6430 * ipa-type-escape.c: Tidy some comments and white space.
6431 * tree-ssa-operands.c: Likewise.
6433 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6436 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6437 (dump_decl_name): Do not walk the decl tree chains.
6438 * tree-pass.h (TDF_CHAIN): Remove.
6440 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6442 * Makefile.in (C): Remove
6444 (.PHONY): Remove C and PROTO
6446 2006-02-20 Roger Sayle <roger@eyesopen.com>
6449 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6450 deprecated CHAR_TYPE tree code.
6452 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6454 * configure.ac (target_list): Add install-info, dvi, html.
6455 * configure: Regenerate.
6457 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6458 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6459 treelang/Make-lang.in: Do not use double-colon rules.
6461 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6463 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6464 (TMT_USED_ALONE): New macro.
6465 * tree-pass.h (PROP_tmt_usage): New property.
6466 (TODO_update_tmt_usage): New todo.
6467 * tree-ssa-alias.c (updating_used_alone): New variable.
6468 (recalculate_used_alone): New function.
6469 (compute_may_aliases): Set updating_used_alone, call
6470 recalculate_used_alone.
6471 * tree-sra.c (pass_sra): Note that this pass destroys
6472 PROP_tmt_usage, and add TODO_update_tmt_usage.
6473 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6474 * tree-flow.h (updating_used_alone): Prototype.
6475 (recalculate_used_alone): Ditto.
6476 * passes.c (execute_todo): Add code to set updating_used_alone,
6477 and call recalculate.
6478 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6479 for clobber if used alone, and add assert to verify used_alone
6482 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6484 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6485 for non tls symbols added.
6486 (legitimize_address): Do nothing for PLUS expressions if one of the
6487 addends is a tls symbol reference.
6489 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6493 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6495 * Makefile.in (BOOTSTRAPPING): New.
6496 (quickstrap): New definition if BOOTSTRAPPING=yes.
6498 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6499 * configure.ac: Substitute all_selected_languages with the languages
6500 that were configured. For all the other variables except
6501 lang_specs_files, include all the languages in the tree.
6502 * configure: Regenerate.
6504 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6505 if there is one. Run the commands to run fixincludes in the same
6508 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6509 * doc/install.texi: Document exact conventions for searching target tools.
6510 Document --with-build-time-tools. Document toplevel bootstrap. Document
6511 something more about building an Ada cross-compiler. Don't list GNU Make
6512 requirements which affect all platforms.
6514 2006-02-19 Roger Sayle <roger@eyesopen.com>
6517 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6518 only equivalent if the have both the same mode and precision.
6520 2006-02-20 Ben Elliston <bje@au.ibm.com>
6522 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6524 2006-02-19 Roger Sayle <roger@eyesopen.com>
6525 Steven Bosscher <stevenb.gcc@gmail.com>
6527 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6528 constant pool references to identify stack mode constants.
6529 * rtlanal.c (constant_pool_constant_p): New predicate to check
6530 whether operand is a floating point constant in the pool.
6531 * rtl.h (constant_pool_constant_p): Prototype here.
6532 * loop.c (scan_loop): Avoid hoisting constants from the constant
6533 pool on STACK_REGS targets.
6534 (load_mems): Likewise.
6535 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6536 loads into x87 registers expensive in terms of register pressure.
6538 2006-02-19 Roger Sayle <roger@eyesopen.com>
6540 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6541 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6543 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6545 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6546 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6548 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6550 * doc/invoke.texi: Document -fipa-pta.
6551 * common.opt: Add ipa-pta option.
6552 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6553 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6554 (do_ds_constraint): Ditto.
6555 (get_constraint_for): Only add to referenced_vars if
6556 referenced_vars exists.
6557 (insert_into_field_list): Rewrite to do this unsorted.
6558 (insert_into_field_list_sorted): Rename old insert_into_field_list
6560 (create_function_info_for): Use insert_into_field_list_sorted.
6561 (create_variable_info_for): Rewrite so it uses unsorted version,
6562 since the field list is sorted.
6563 (intra_create_variable_infos): Only add to referenced_vars if
6564 referenced_vars exists.
6565 (ipa_pta_execute): Init heapvars, and delete when done.
6566 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6568 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6570 * doc/install.texi: Add missing `@samp'.
6572 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6574 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6577 2006-02-18 Mark Wielaard <mark@klomp.org>
6579 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6580 who added new 4.1 features, bug fixes and integration support.
6582 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6585 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6588 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6590 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6591 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6592 (copy_insn_1): Likewise. Don't copy each field individually.
6594 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6596 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6597 * rtl.c (rtx_size): Rename variable to...
6598 (rtx_code_size): ...this.
6599 (rtx_size): New function.
6600 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6601 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6603 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6604 * rtl.h (rtx_code_size): New variable.
6605 (rtx_size): Change from a variable to a function.
6606 (RTX_SIZE): Rename to...
6607 (RTX_CODE_SIZE): ...this.
6610 PR tree-optimization/17106
6611 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6612 (Anchored Addresses): New section.
6613 * doc/invoke.texi (-fsection-anchors): Document.
6614 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6615 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6616 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6617 * hooks.c (hook_bool_mode_rtx_false): New function.
6618 * hooks.h (hook_bool_mode_rtx_false): Declare.
6619 * gengtype.c (create_optional_field): New function.
6620 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6621 SYMBOL_REF_IN_BLOCK_P is true.
6622 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6623 (min_anchor_offset, max_anchor_offset): Likewise.
6624 (use_anchors_for_symbol_p): New hook.
6625 * toplev.c (compile_file): Call output_object_blocks.
6626 (target_supports_section_anchors_p): New function.
6627 (process_options): Check that -fsection-anchors is only used on
6628 targets that support it and when -funit-at-a-time is in effect.
6629 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6630 if the decl doesn't have one.
6631 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6632 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6633 of force_const_mem through use_anchored_address.
6634 (expand_expr_constant): New function.
6635 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6636 calling expand_expr for INDIRECT_REF.
6637 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6638 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6639 * expr.h (use_anchored_address): Declare.
6640 * loop-unroll.c: Don't declare rtx vectors here.
6641 * explow.c: Include output.h.
6642 (validize_mem): Call use_anchored_address.
6643 (use_anchored_address): New function.
6644 * common.opt (-fsection-anchors): New switch.
6645 * varasm.c (object_block_htab, anchor_labelno): New variables.
6646 (hash_section, object_block_entry_eq, object_block_entry_hash)
6647 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6648 (use_blocks_for_decl_p, change_symbol_section): New functions.
6649 (get_variable_section): New function, split out from assemble_variable.
6650 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6651 use_blocks_for_decl_p say so. Use change_symbol_section if the
6652 symbol has already been created.
6653 (assemble_variable_contents): New function, split out from...
6654 (assemble_variable): ...here. Don't output any code for
6655 block symbols; just pass them to place_block_symbol.
6656 Use get_variable_section and assemble_variable_contents.
6657 (get_constant_alignment, get_constant_section, get_constant_size): New
6658 functions, split from output_constant_def_contents.
6659 (build_constant_desc): Create a block symbol if use_object_blocks_p
6660 says so. Or into SYMBOL_REF_FLAGS.
6661 (assemble_constant_contents): New function, split from...
6662 (output_constant_def_contents): ...here. Don't output any code
6663 for block symbols; just pass them to place_section_symbol.
6664 Use get_constant_section and get_constant_alignment.
6665 (force_const_mem): Create a block symbol if use_object_blocks_p and
6666 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6667 (output_constant_pool_1): Add an explicit alignment argument.
6668 Don't switch sections here.
6669 (output_constant_pool): Adjust call to output_constant_pool_1.
6670 Switch sections here instead. Don't output anything for block symbols;
6671 just pass them to place_block_symbol.
6672 (init_varasm_once): Initialize object_block_htab.
6673 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6674 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6675 (place_block_symbol, get_section_anchor, output_object_block)
6676 (output_object_block_htab, output_object_blocks): New functions.
6677 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6678 (TARGET_ASM_OUT): Include it.
6679 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6680 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6681 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6682 (TARGET_INITIALIZER): Include them.
6683 * rtl.c (rtl_check_failed_block_symbol): New function.
6684 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6685 (block_symbol, object_block): New structures.
6686 (rtx_def): Add a block_symbol field to the union.
6687 (BLOCK_SYMBOL_CHECK): New macro.
6688 (rtl_check_failed_block_symbol): Declare.
6689 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6690 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6691 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6692 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6693 * output.h (output_section_symbols): Declare.
6694 (object_block): Name structure.
6695 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6696 (default_use_anchors_for_symbol_p): Declare.
6697 * Makefile.in (RTL_BASE_H): Add vec.h.
6698 (explow.o): Depend on output.h.
6699 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6700 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6701 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6702 (rs6000_use_blocks_for_constant_p): New function.
6704 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6706 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6708 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6711 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6714 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6716 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6720 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6723 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6724 instead of DECL_REGISTER.
6726 2006-02-18 Olivier Hainque <hainque@adacore.com>
6729 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6731 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6734 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6735 * opth-gen.awk: Handle Var and InverseMask together.
6736 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6737 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6738 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6739 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6741 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6742 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6743 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6744 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6745 LINUX_DYNAMIC_LINKER): Define.
6746 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6747 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6749 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6750 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6751 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6752 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6753 (TARGET_C99_FUNCTIONS): Don't define.
6754 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6755 GLIBC_DYNAMIC_LINKER.
6756 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6757 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6758 GLIBC_DYNAMIC_LINKER64): Define.
6759 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6760 LINUX_DYNAMIC_LINKER64.
6761 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6763 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6765 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6767 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6768 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6769 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6771 and LINUX_DYNAMIC_LINKER32.
6772 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6774 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6775 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6776 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6778 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6779 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6780 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6781 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6782 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6783 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6784 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6785 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6786 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6787 LINUX_DYNAMIC_LINKER): Define.
6788 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6789 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6790 GLIBC_DYNAMIC_LINKER64): Define.
6791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6792 LINUX_DYNAMIC_LINKER64.
6793 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6794 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6795 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6796 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6797 LINUX_DYNAMIC_LINKER): Define.
6798 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6799 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6800 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6801 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6802 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6803 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6804 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6805 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6806 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6807 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6808 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6809 * doc/invoke.texi (-muclibc): Remove caveat about supported
6812 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6814 * doc/cpp.texi (__TIMESTAMP__): Document.
6816 2006-02-17 Roger Sayle <roger@eyesopen.com>
6819 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6820 C is one less than the width of X (and related transformations).
6821 * simplify-rtx.c (simplify_unary_operation_1): Transform
6822 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6823 depending on STORE_FLAG_VALUE, were C is one less then the
6826 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6828 Fix PR tree-optimization/26341
6829 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6830 about NAME_MEMORY_TAG's.
6832 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6835 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6836 with hardware float support, and software float support. Add fcpy
6837 alternative to hardware patterns. Add alternatives to copy between
6838 general and floating-point registers to the 32-bit pattern.
6839 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6840 secondary reload to load a QI or HI mode constant into a floating
6842 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6843 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6845 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6848 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6850 (load_macho_picbase_di): Likewise.
6852 2006-02-16 Jeff Law <law@redhat.com>
6854 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6855 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6856 (ssa_name_nonzero_p): Likewise.
6857 (get_value_range): Return NULL if VRP is not running.
6858 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6859 VRP routines do not discover a range.
6860 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6861 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6862 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6863 (tree_expr_nonnegative_p): Similarly.
6864 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6865 (restore_nonzero_vars_to_original_value): Remove.
6866 (unsafe_associative_fp_binop): Remove.
6867 (tree_ssa_dominator_optimize): Remove initialization and
6868 finalization of nonzero_vars and nonzero_vars_stack.
6869 (dom_opt_initialize_block): No longer push marker on
6871 (dom_opt_finalize_block): No longer call
6872 restore_nonzero_vars_to_original_value.
6873 (record_equivalences_from_phis): No longer look for
6874 nonzero PHI arguments.
6875 (cprop_into_successor_phis): No longer propagate nonzero
6876 property into PHI arguments. Lose unused argument. Caller
6878 (record_equivalences_from_stmt): No longer record nonzero
6879 values for SSA_NAMEs.
6880 (lookup_avail_expr): No longer use nonzero_vars.
6882 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6883 for sizetype when sizetype is unsigned.
6885 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6887 PR rtl-optimization/25603
6888 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6889 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6890 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6891 with new meaning of SETS.
6893 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6898 * config/linux.opt: New file.
6899 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6900 LINUX_DYNAMIC_LINKER): Define.
6901 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6902 * config.gcc (*-*-linux*): Define extra_options.
6903 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6904 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6905 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6906 GLIBC_DYNAMIC_LINKER.
6907 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6908 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6909 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6911 * doc/invoke.texi (GNU/Linux Options): New section.
6913 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6915 * config/sparc/sparc.md (setjmp): Rewrite.
6916 (setjmp_32): Delete.
6917 (setjmp_64): Likewise.
6919 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6921 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6924 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6926 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6929 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6931 PR rtl-optimization/26296
6932 * Makefile.in (loop-invariant.c): Add except.h dependency.
6933 * loop-invariant.c: Include except.h.
6934 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6936 2005-02-16 Paul Brook <paul@codesourcery.com>
6938 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6941 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6943 PR rtl-optimization/25636
6944 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6945 when deciding whether an insn is an initializing insn.
6947 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6949 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6950 (tree_code_size): Ditto.
6951 * tree.h (struct tree_memory_tag): Remove parent_var.
6952 (struct tree_struct_field_tag): New.
6955 (union tree_node): Add sft member.
6956 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6958 (create_sft): Add size and offset argument, set SFT_OFFSET and
6960 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6961 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6962 * tree-flow-inline.h (get_subvar_at): Update for
6963 SFT_OFFSET/SFT_SIZE.
6964 (var_can_have_subvars): Ditto.
6965 (overlap_subvar): Ditto.
6966 * print-tree.c (print_node): Print out interesting things for
6968 * tree-flow.h (struct subvar): Remove offset and size members.
6969 * tree-ssa-operands.c (get_expr_operands): Update for
6970 get_indirect_ref_operands changes.
6971 (get_indirect_ref_operands): Call add_virtual_operand instead of
6972 add_stmt_operand. Only recurse on base var if requested.
6973 (access_can_touch_variable): New function.
6974 (add_stmt_operand): Split virtual operand handling into ...
6975 (add_virtual_operand): Here. Add offset, size, and for_clobber
6976 arguments. Prune alias sets.
6977 (add_call_clobber_ops): Call add_virtual_operand.
6979 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6982 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6984 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6985 than TREE_CODE as index into omp_clause_num_ops array.
6987 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6989 PR rtl-optimization/26184
6990 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6992 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6993 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6994 must_precede, must_follow and tobe_scheduled.
6997 * opts.c (common_handle_option): Free new_option pointer.
6998 * df-core.c (df_analyze): Free postorder pointer.
7000 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7002 * Makefile.in: Fix the examples about the use of stamps
7004 2006-02-15 Michael Matz <matz@suse.de>
7008 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7009 influenced by maximum_field_alignment or DECL_PACKED.
7010 (update_alignment_for_field): Ditto.
7011 (place_field): Ditto.
7012 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7015 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7017 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7018 (debug_flow_info): Pass it.
7019 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7020 * bb-reorder.c (reorder_basic_blocks): Likewise.
7021 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7022 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7023 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7024 * gcse.c (gcse_main, bypass_jumps): Likewise.
7025 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7026 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7027 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7028 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7029 * rtl.h (dump_flow_info): Adjust prototype.
7030 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7031 * var-tracking.c (variable_tracking_main): Likewise.
7032 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7033 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7036 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7038 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7041 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7043 PR tree-optimization/26209
7044 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7045 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7047 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7049 2006-02-14 Roger Sayle <roger@eyesopen.com>
7052 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7053 (X,Y) and the corresponding symmetry related transformations.
7054 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7055 (X,Y) and its symmetry related transformations.
7057 2006-02-14 Roger Sayle <roger@eyesopen.com>
7059 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7062 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7064 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7066 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7069 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7070 support COMDAT group.
7071 * configure: Regenerate.
7073 2006-02-14 Roger Sayle <roger@eyesopen.com>
7078 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7080 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7082 Fix PR tree-optimization/26260
7084 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7086 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7087 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7088 * tree-ssa-structalias.c (create_variable_info_for): Use
7089 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7091 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7093 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7095 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7096 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7097 of the ending condition.
7098 * tree-ssa-loop-manip.c: Include params.h.
7099 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7100 tree_unroll_loop): New functions.
7101 * tree-pass.h (pass_loop_prefetch): Declare.
7102 * loop.c (rest_of_handle_loop_optimize): Test for
7103 -fprefetch-loop-arrays-rtl.
7104 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7105 * timevar.def (TV_TREE_PREFETCH): New timevar.
7106 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7107 pass_loop_prefetch): New.
7108 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7109 (cleanup_tree_cfg_loop): Call scev_reset.
7110 * common.opt (fprefetch-loop-arrays-rtl): Add.
7111 * tree-ssa-loop-prefetch.c: New file.
7112 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7113 (new_temp_expr_table): Initialize expr_vars.
7114 (free_temp_expr_table): Cleanup expr_vars.
7115 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7116 expressions from being merged into one.
7117 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7118 (struct tree_niter_desc): Add control, bound and cmp fields.
7119 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7121 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7122 (tree-cfgcleanup.o): Add SCEV_H dependency.
7123 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7124 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7126 2006-02-14 Richard Guenther <rguenther@suse.de>
7128 PR tree-optimization/26258
7129 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7130 in PHI argument processing.
7132 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7134 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7135 new expression in the requested machine mode.
7137 2006-02-13 Roger Sayle <roger@eyesopen.com>
7139 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7140 directly, instead let do_compare_rtx_and_jump handle this for us.
7141 * expr.c (expand_expr_real_1): Likewise.
7142 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7143 before do_jump_by_parts_greater.
7144 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7145 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7147 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7149 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7151 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7153 PR rtl-optimization/26235
7154 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7155 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7158 2006-02-13 Jeff Law <law@redhat.com>
7160 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7163 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7166 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7167 twice if decl is a builtin. When trying again, call get_callee_fndecl
7168 first to verify it is still a builtin.
7170 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7172 * dwarf2out.c (base_type_die): Don't add AT_name here.
7173 (subrange_type_die): Don't add AT_name here.
7174 (modified_type_die): Rearrange code flow. Do add AT_name here.
7176 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7178 PR rtl-optimization/26247
7179 PR rtl-optimization/26248
7180 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7182 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7184 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7185 * config/fixtfdi.c: Likewise.
7186 * config/fixunstfdi.c: Likewise.
7187 * config/floatditf.c: Likewise.
7189 2006-02-13 Roger Sayle <roger@eyesopen.com>
7192 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7193 into (X,C2) if C1 is a subset of the bits of C2. Transform
7194 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7196 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7198 2006-02-13 Josh Conner <jconner@apple.com>
7201 * varasm.c (function_section): Check for section name before
7202 calling select_section on targets that define
7203 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7204 unlikely_text_section instead of hot_function_section if
7205 first_function_block_is_cold.
7207 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7210 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7212 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7214 PR rtl-optimization/26222
7215 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7216 after tree->rtl expansion.
7217 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7218 before passing it to emit_move_insn.
7220 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7222 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7224 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7225 Clarify documentation.
7226 * c-common.h (warn_write_strings): Remove.
7227 * c-common.c (warn_write_strings): Likewise.
7228 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7231 2006-02-12 Roger Sayle <roger@eyesopen.com>
7234 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7235 (do_jump_parts_zero_rtx): New function renamed from
7236 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7237 (do_jump_parts_equality_rtx): New function split out from
7238 do_jump_parts_equality. Old implementation renamed as above.
7239 Call do_jump_parts_zero_rtx if either operand is zero.
7240 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7241 do all of the heavy lifting.
7242 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7243 calling either do_jump_by_parts_greater_rtx or
7244 do_jump_by_parts_equality_rtx.
7245 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7246 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7247 moved to do_compare_rtx_and_jump, call it directly.
7248 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7249 mode argument. Call do_compare_rtx_and_jump.
7250 (emit_case_nodes): Update calls to do_jump_if_equal.
7252 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7254 PR rtl-optimization/26225
7255 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7257 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7259 PR rtl-optimization/26232
7260 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7262 2006-02-11 Jason Merrill <jason@redhat.com>
7265 * tree-inline.c (declare_return_variable): Just don't use the
7266 modify target if it's a gimple complex reg and the return slot
7269 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7271 * doc/contrib.texi: Update my entry.
7273 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7275 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7277 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7279 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7282 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7284 * doc/invoke.texi (-floop-optimize2): Removed.
7285 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7286 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7287 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7288 * common.opt (floop-optimize2): Removed.
7289 (fmove-loop-invariants): Enabled by default.
7291 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7293 * tree-if-conv.c (combine_blocks): Free the result of
7294 get_loop_exit_edges.
7296 2006-02-10 Jeff Law <law@redhat.com>
7298 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7300 PR tree-optimization/26213
7301 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7302 loop trying to follow SSA_NAME_VALUE chains.
7304 2006-02-10 Richard Guenther <rguenther@suse.de>
7306 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7307 deal with structures that end in implicitly variable sized arrays.
7309 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7311 PR rtl-optimization/24762
7312 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7315 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7317 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7318 (struct ivopts_data): Add regs_used field.
7319 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7320 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7321 instead of loop_data->regs_used;
7322 (free_loop_data): Do not free aux fields for loops.
7323 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7324 and tree_ssa_iv_optimize_finalize.
7326 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7328 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7330 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7333 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7334 computing the effective result type.
7336 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7339 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7340 (tree_overlaps_hard_reg_set): Declare.
7341 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7342 type and signature to match function type expected by walk_tree.
7343 (tree_overlaps_hard_reg_set): New function.
7344 (decl_conflicts_with_clobbers_p): Rename to:
7345 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7346 Use tree_overlaps_hard_reg_set. Changed caller.
7347 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7348 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7349 * cris.c (cris_md_asm_clobbers): Likewise.
7351 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7353 * reload1.c (emit_input_reload_insns): Delete code that tries to
7354 inherit using find_equiv_reg.
7356 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7358 * c-common.h (flag_const_strings): Don't declare.
7359 * c-common.c (flag_const_strings): Remove.
7360 * c.opt (fconst_strings): Remove.
7361 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7362 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7363 (c_common_init_options): Don't set flag_const_strings.
7364 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7366 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7368 * arm.md (tlobits_cbranch): New pattern.
7369 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7370 testing a single bit.
7372 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7375 * tree-ssa-pre.c (create_component_ref_by_pieces):
7376 Handle RETURN_DECL like VAR_DECL.
7378 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7381 * fold-const.c (fold_indirect_ref_1): Fold
7382 "*(foo *)&complexfoo" to "__real__ complexfoo"
7383 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7385 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7387 * tree-flow-inline.h (var_can_have_subvars):
7388 Volatile variables should not have subvariables.
7390 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7393 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7394 multiplying unsigned values.
7397 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7399 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7401 2006-02-08 Jason Merrill <jason@redhat.com>
7404 * tree.def: Elaborate on difference from MODIFY_EXPR.
7405 * doc/c-tree.texi (INIT_EXPR): Likewise.
7406 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7407 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7408 (gimplify_target_expr): Likewise.
7409 (gimplify_cond_expr): Remove target handling.
7410 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7411 (gimplify_expr): Clobber it here.
7412 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7413 Do return slot optimization if we have an INIT_EXPR.
7416 * tree-inline.c (declare_return_variable): Also clear
7417 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7420 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7423 * gimplify.c (gimplify_one_sizepos): Fix typo.
7425 2006-02-08 Jeff Law <law@redhat.com>
7427 PR tree-optimization/21417
7428 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7429 across a backedge if the control statement at the end of the
7430 block is data dependent on other statements in the same block.
7431 (record_temporary_equivalences_from_stmts): Remove over-conservative
7432 test for threading across backedges.
7434 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7435 control statement, handle all three special cases in the same
7436 manner as they all have the same desired solution. No longer
7437 special case edge flag updating when the post dominator is
7440 2006-02-08 Roger Sayle <roger@eyesopen.com>
7442 * tree.def (CHAR_TYPE): Remove.
7443 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7444 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7445 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7446 (gen_string_type_die): Delete unreachable function.
7448 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7449 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7450 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7451 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7452 * builtins.c (type_to_class): Likewise.
7453 * fold-const.c (fold_convert, build_range_check,
7454 merge_ranges): Likewise.
7455 * expr.c (count_type_elements): Likewise.
7456 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7457 * stor-layout.c (layout_type): Likewise.
7458 * ipa-type-escape.c (type_to_consider): Likewise.
7459 * gimplify.c (omp_firstprivatize_type_sizes,
7460 gimplify_type_sizes): Likewise.
7461 * explow.c (promote_mode): Likewise.
7462 * tree-sra.c (is_sra_scalar_type): Likewise.
7463 * varasm.c (output_constant): Likewise.
7464 * tree-inline.c (remap_type_1): Likewise.
7465 * convert.c (convert_to_pointer, convert_to_real,
7466 convert_to_integer, convert_to_complex): Likewise.
7468 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7470 * df-scan.c (df_def_record_1): A set destination may
7471 be a parallel regardless of mode.
7473 2006-02-08 Roger Sayle <roger@eyesopen.com>
7476 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7477 * config/mips/_tilib.c: Remove.
7478 * config/fixtfdi.c: New libgcc source file.
7479 * config/fixunstfdi.c: New source file.
7480 * config/floatditf.c: New source file.
7481 * config/floatunditf.c: New souce file.
7482 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7483 files above instead of config/mips/_tilib.c.
7484 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7486 2006-02-08 Jeff Law <law@redhat.com>
7488 PR tree-optimization/26169
7489 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7492 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7494 * df.h (DF_REG_SIZE): Return the length of the initialized
7497 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7499 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7500 __muldf3): Return a correctly signed zero.
7502 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7504 * passes.c (register_one_dump_file): Accept the current properties
7505 instead of pass number. Adjust call to dump_register. Remove
7507 (register_dump_files): Now a wrapper around...
7508 (register_dump_files_1): ... this one. Do not modify the pass
7510 (next_pass_1): Cosmetic fix.
7511 (execute_todo): Keep second parameter only. Use curr_properties
7512 instead of fetching it from the pass structure. Check and set
7514 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7515 instead of fetching it from the pass structure. Fix calls to
7516 execute_todo. Update curr_properties and initialize .vcg RTL dump
7517 after running the pass. Reset last_verified.
7518 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7520 (FIRST_AUTO_NUMBERED_DUMP): New.
7521 (dump_register): Remove "num" parameter, assign it within the
7523 (get_dump_file_name): Modify template for dumps.
7524 * tree-dump.h (dump_register): Adjust prototype.
7525 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7526 (PROP_trees): Add PROP_gimple_lomp.
7527 (TODO_set_props): New.
7528 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7529 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7530 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7532 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7534 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7535 (sparc64-*-linux*): Likewise.
7536 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7537 * config/sparc/t-linux: New file.
7538 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7539 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7540 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7541 -m32 -mlong-double-128.
7543 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7544 * config/alpha/t-linux: New file.
7545 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7547 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7548 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7549 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7550 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7551 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7552 (CPP_ARCH32_SPEC): Remove.
7554 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7556 PR tree-optimization/26145
7557 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7560 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7563 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7564 >= 240000 when generating code for SOM runtime.
7565 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7566 to $$dyncall when generating code for SOM runtime..
7568 2006-02-07 Dirk Mueller <dmueller@suse.com>
7571 * doc/invoke.texi (-Wsequence-point): Update documentation
7572 that -Wsequence-point is implemented for C++ as well.
7574 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7576 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7577 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7578 (LIB_SPEC): Likewise.
7579 * doc/invoke.texi (SPARC options): Document -pthread.
7581 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7583 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7586 2006-02-07 Roger Sayle <roger@eyesopen.com>
7588 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7589 Correct comment describing BOOLEAN_TYPE.
7591 2006-02-07 Dirk Mueller <dmueller@suse.com>
7593 * c.opt: C++ frontend supports -Wdiv-by-zero.
7594 * c-opts.c (c_common_handle_option): Remove dead case.
7596 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7598 * configure.ac (TLS assembler check): Do not enable TLS by
7599 default on SPARC/Solaris before version 10.
7600 * configure: Regenerate.
7602 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7604 * doc/invoke.texi (xl-compat): Document conversion and support
7607 2006-02-07 Jeff Law <law@redhat.com>
7609 * tree-vrp.c (find_conditional_asserts): Update comments.
7610 (simplify_stmt_for_jump_threading): New.
7611 (identify_jump_threads, finalize_jump_threads): New.
7612 (vrp_finalize): Call identify_jump_threads.
7613 (execute_vrp): Call finalize_jump_threads.
7614 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7615 (vrp_element, vrp_data, vrp_element_p): Remove.
7616 (vrp_hash_elt, vrp_variables_stack): Remove.
7617 (vrp_hash, vrp_eq, record_range): Remove.
7618 (simplify_cond_and_lookup_avail_expr): Remove.
7619 (extract_range_from_cond): Remove.
7620 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7621 (simplify_stmt_for_jump_threading): New.
7622 (dom_thread_across_edge): New wrapper.
7623 (tree_ssa_dominator_optimize): No longer initialize or
7624 finalize any of the VRP datastructures. Remove iteration
7625 step and simplify as a result of removal of iteration step.
7626 (pass_dominator): Perform a cfg cleanup after DOM.
7627 (dom_opt_finalize_block): Use the new common routines
7628 for threading jumps. Simplify stack management slightly.
7629 No longer need to unwind VRP state.
7630 (record_equivalences_from_incoming_edge): No longer record
7632 (eliminate_redundant_computations): No longer call
7633 simplify_cond_and_lookup_avail_expr.
7634 * tree-flow.h (potentially_threadable_block): Prototype.
7635 (thread_across_edge): Likewise.
7636 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7637 (tree-ssa-threadedge.o): Add dependencies.
7638 * tree-ssa-threadedge.c: New file.
7639 * passes.c (init_optimization_passes): Merge PHIs before
7640 calling VRP. Run VRP again late in the SSA optimization pipeline.
7642 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7644 * df-core.c (df_set_blocks): Do not dereference function pointers.
7645 (df_finish1): Likewise.
7646 (df_hybrid_search_forward): Likewise.
7647 (df_hybrid_search_backward): Likewise.
7648 (df_iterative_dataflow): Likewise.
7649 (df_analyze_problem): Likewise.
7650 (df_compact_blocks): Likewise.
7651 (df_dump): Likewise.
7652 * df-scan.c (df_rescan_blocks): Likewise.
7653 (df_record_entry_block_defs): Likewise.
7655 * genconditions.c (write_conditions): Guard the definition of
7656 'insn_conditions' with the check on GCC version.
7657 (write_writer): Guard the traversal 'insn_conditions' with
7658 the check on GCC version.
7660 2006-02-07 Richard Guenther <rguenther@suse.de>
7664 2006-01-30 Richard Guenther <rguenther@suse.de>
7666 * gimplify.c (gimplify_target_expr): Handle easy cases
7667 without creating a temporary.
7669 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7671 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7672 use of float in probability computations. Use edge probabilities
7673 in place of statically computed probabilities.
7674 (min_spec_prob): New static variable.
7675 (schedule_insns): Initialize it.
7676 (GET_SRC_PROB): Removed.
7677 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7679 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7682 * config/ia64/unwind-ia64.c: Revert last change.
7683 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7684 (INCOMING_FRAME_SP_OFFSET): Define.
7686 2006-02-06 Roger Sayle <roger@eyesopen.com>
7688 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7690 2006-02-07 Ben Elliston <bje@au.ibm.com>
7692 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7693 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7694 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7695 (ix86_return_in_memory): Handle TDmode.
7696 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7697 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7699 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7701 * reorg.c (dbr_schedule): Use dump_file instead of file.
7703 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7706 * config/ia64/predicates.md (extr_len_operand): New predicate.
7707 * config/ia64/ia64.md (extv): Tighten constraints.
7709 (*tbit_and_2): Ditto.
7710 (*tbit_and_3): Ditto.
7711 (*tbit_or_2): Ditto.
7712 (*tbit_or_3): Ditto.
7716 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7719 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7721 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7723 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7724 loop_optimizer_init and loop_optimizer_finalize
7725 * tree-ssa-sink.c (execute_sink_code): Ditto.
7726 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7727 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7728 tree_ssa_loop_done): Ditto.
7729 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7730 * sched-ebb.c: Include output.h.
7731 (schedule_ebbs): Do not use dump argument.
7732 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7733 * loop.c (loop_dump_stream): Removed.
7734 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7736 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7737 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7738 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7739 loop_iterations, strength_reduce, record_biv, record_giv,
7740 final_giv_value, check_final_value, check_ext_dependent_givs,
7741 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7742 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7743 dump_file instead of loop_dump_stream.
7744 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7746 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7748 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7749 * haifa-sched.c: Include output.h
7750 (schedule_insns, sched_init): Do not use dump argument.
7751 * mode-switching.c (optimize_mode_switching): Ditto.
7752 * modulo-sched.c (stats_file): Removed.
7753 (print_node_sched_params): Do not call argument dump_file.
7754 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7755 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7757 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7759 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7760 rtl_loop_init, rtl_loop_done): Ditto.
7761 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7762 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7764 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7765 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7766 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7767 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7768 * emit-rtl.c (renumber_insns): Ditto.
7769 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7770 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7771 * regclass.c (regclass): Ditto.
7772 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7773 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7774 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7775 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7777 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7778 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7780 * gcse.c (gcse_file, debug_stderr): Removed.
7781 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7782 rest_of_handle_gcse): Do not use dump argument.
7783 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7784 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7785 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7786 compute_code_hoist_vbeinout, compute_code_hoist_data,
7787 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7788 compute_store_table, build_store_vectors, insert_insn_start_bb,
7789 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7790 store_motion): Use dump_file instead of gcse_file.
7791 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7792 * profile.c (profile_dump_file): Removed.
7793 (branch_prob): Use dump_file instead of profile_dump_file.
7794 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7796 * tree-ssa-copy.c (dump_copy_of): Ditto.
7797 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7798 dump file to life_analysis.
7799 * bt-load.c (branch_target_load_optimize): Ditto.
7800 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7802 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7803 regclass, dbr_schedule): Declaration changed.
7804 * sched-int.h (sched_init): Declaration changed.
7805 * tree-profile.c (tree_profile_dump_file): Removed.
7806 (tree_profile_hooks): Removed profile_dump_file hook.
7807 * rtl-profile (rtl_profile_dump_file): Removed.
7808 (rtl_profile_hooks): emoved profile_dump_file hook.
7809 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7811 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7812 * tree-cfg.c (build_tree_cfg): Ditto.
7813 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7814 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7815 Declaration changed.
7816 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7817 life_analysis and schedule_insns.
7818 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7820 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7822 * config/mips/mips.c (mips_reorg): Ditto.
7823 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7826 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7828 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7829 (s390_mangle_fundamental_type): New.
7830 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7833 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7834 (alpha_mangle_fundamental_type): New.
7835 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7838 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7840 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7842 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7843 (sparc_mangle_fundamental_type): New.
7845 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7847 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7848 (s390x-*-linux*): Likewise.
7849 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7850 * config/s390/t-linux: New file.
7852 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7854 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7855 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7857 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7859 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7860 (ANTIC_SAFE_LOADS): New macro.
7861 (find_or_generate_expression): Add prototype.
7862 (set_contains_value): Allow null set for sake of not always having
7863 to allocate ANTIC_SAFE_LOADS.
7864 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7865 Allow COMPONENT_REF too.
7866 (valid_in_set): Allow COMPONENT_REF.
7867 Check ANTIC_SAFE_LOADS too.
7868 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7869 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7871 (can_PRE_operation): Add COMPONENT_REF.
7872 (create_component_ref_by_pieces): New function.
7873 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7874 (insert_aux): Move AGGREGATE_TYPE_P check here.
7875 (compute_avail): Set bb local stmt uids.
7876 (pass_pre): Use TODO_update_ssa_only_virtuals.
7878 2006-02-06 Ben Elliston <bje@au.ibm.com>
7880 * configure.ac: Unconditionally disable decimal float by default.
7881 * configure: Regenerate.
7883 2006-02-06 Ben Elliston <bje@au.ibm.com>
7885 * read-rtl.c (read_name): Terminate reading on EOF.
7887 2006-02-06 Ben Elliston <bje@au.ibm.com>
7889 * dfp.c (decimal_real_arithmetic): Change second argument type
7890 from int to enum tree_code. Do not always return true, but now
7891 return result of any call to decimal_do helper functions.
7892 * dfp.h (decimal_real_arithmetic): Update prototype.
7894 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7896 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7898 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7901 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7904 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7906 * tree-vrp.c (cfg_loops): Removed.
7907 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7908 Use current_loops instead of cfg_loops. Pass flags to
7909 loop_optimizer_init.
7910 * cfgloopmanip.c (fix_loop_structure): Update only available
7912 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7913 loop_optimizer_init.
7914 * modulo-sched.c (build_loops_structure): Removed.
7915 (sms_schedule): Use loop_optimizer_init.
7916 * loop-init.c (loop_optimizer_init): Use flags to determine
7917 which properties of loops to prepare.
7918 (rtl_loop_init): Pass flags to loop_optimizer_init.
7919 * tree-ssa-sink.c (execute_sink_code): Ditto.
7920 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7921 * tree-ssa-pre.c (init_pre): Ditto.
7922 * cfgloop.h (LOOPS_NORMAL): New.
7923 (loop_optimizer_init): Declaration changed.
7925 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7927 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7928 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7930 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7932 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7934 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7935 * pa/t-pa64: Delete quadlib.c rule.
7936 * pa/x-ada: Revert last change.
7937 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7939 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7941 PR rtl-optimization/26087
7942 * rtlanal.c (canonicalize_condition): Do not cross basic block
7945 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7948 * config/ia64/ia64.c: Include debug.h.
7949 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7950 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7951 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7952 (process_epilogue, process_set, process_for_unwind_directive):
7953 Output unwind info only if requested. Add CFA info if requested.
7954 Add new arguments as needed. Adjust callers.
7955 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7957 (DWARF2_FRAME_INFO): Define to zero.
7958 * config/ia64/unwind-ia64.c: Remove code that compensated for
7959 the CFA offset error fixed above.
7960 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7961 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7962 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7963 -funwind-tables and -fexceptions to enable frame info.
7964 (dwarf2out_frame_init): Define initial CFA even if
7965 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7966 DWARF2_UNWIND_INFO is nonzero, not just defined.
7967 (dwarf2out_frame_finish): Output non-EH call frame info only
7968 if DWARF2_FRAME_INFO is nonzero.
7969 (convert_cfa_to_loc_list,
7970 compute_frame_pointer_to_cfa_displacement): Define even if
7971 unwind info is not supported.
7972 (gen_subprogram_die): Use the above unconditionally. Remove
7973 legacy alternate code.
7974 * toplev.c (compile_file): Compile in call to
7975 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7976 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7978 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7979 Jakub Jelinek <jakub@redhat.com>
7981 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7982 IBM extended float format long double as "g" on powerpc*-linux.
7984 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7987 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7988 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7990 2006-02-03 Jason Merrill <jason@redhat.com>
7993 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7996 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7997 on the return slot if it's an NRV.
7999 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8001 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8002 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8003 rewrite_use): Do not handle USE_OUTER.
8004 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8005 add_iv_outer_candidates, may_replace_final_value,
8006 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8007 (find_interesting_uses_op): Functionality of
8008 find_interesting_uses_outer_or_nonlin moved here.
8009 (find_interesting_uses_outside): Use find_interesting_uses_op.
8011 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8014 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8016 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8017 Ulrich Weigand <uweigand@de.ibm.com>
8020 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8021 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8022 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8023 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8025 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8026 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8027 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8028 Define secondary reloads for TFmode moves.
8029 (constant_modes): Add TFmode.
8030 (NR_C_MODES): Set to 8.
8031 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8033 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8034 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8035 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8036 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8037 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8038 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8039 (FPR mode macro): Add TFmode.
8040 (DSF mode macro): New.
8041 (<de>, <dee> mode attributes): Removed.
8042 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8043 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8044 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8045 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8046 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8047 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8048 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8049 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8050 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8051 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8052 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8053 "*negabs<mode>2", "sqrt<mode>2"):
8054 Changed <de> to <xde>. R constraint replaced by <Rf>.
8055 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8057 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8058 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8059 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8061 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8062 "extenddftf2", "extendsftf2"): New expanders.
8063 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8064 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8065 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8066 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8068 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8069 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8070 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8071 __floatditf): Add a GCC_4.1.0 symbol version tag.
8072 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8075 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8078 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8079 Use targetm.binds_local_p instead of TREE_PUBLIC.
8081 2006-02-02 Roger Sayle <roger@eyesopen.com>
8083 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8084 on INTEGER_TYPEs to indicate that it denotes a character type.
8085 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8086 signed_char_type_node, unsigned_char_type_node and char_type_node.
8087 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8088 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8089 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8091 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8092 Daniel Berlin <dberlin@dberlin.org>
8094 * tree-tailcall.c (arg_needs_copy_p): New function.
8095 (eliminate_tail_call): Use arg_needs_copy_p.
8096 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8097 (add_virtual_phis): New function.
8099 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8101 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8102 #ignore instead of #scratch for %g7 .register directive.
8104 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8106 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8109 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8111 * flow.c (calculate_global_regs_live): Assert that there aren't any
8114 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8116 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8118 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8119 bsi_after_labels iterator.
8120 * tree-if-conv.c (find_phi_replacement_condition,
8121 replace_phi_with_cond_modify_expr): Likewise.
8122 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8123 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8125 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8127 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8129 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8132 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8133 array after growing it.
8135 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8138 * fold-const.c (fold_checksum_tree): Change type of buf.
8140 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8142 * reload.c (push_secondary_reload): Initialize t_icode.
8144 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8146 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8147 -msoft-float -mlong-double-128 only issue a warning, but don't
8148 swich to DFmode long double.
8150 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8152 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8153 has a constant equivalent, iterate over equivalents for arg0,
8154 calling simplify_relational_operation and if there's a result
8155 cheaper than X, apply fold_rtx and return the result.
8157 2006-02-01 Jan Hubicka <jh@suse.cz>
8159 * opts.c (no_unit_at_a_time_default): New global variable.
8160 (decode_options): Use it.
8161 * opts.h (no_unit_at_a_time_default): Declare.
8163 2006-02-01 Paul Brook <paul@codesourcery.com>
8165 * function.c (assign_parm_setup_reg): Use function argument promotion
8167 * expr.c (expand_expr_real_1): Use function argument promotion rules
8170 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8172 * gcc.c (process_command): Change j to 'unsigned int'.
8174 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8177 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8178 Use the corrected index for the character
8179 out of the string constant.
8181 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8183 * mode-switching.c (optimize_mode_switching): Fix size
8184 allocated for bb_info[n_entities].
8186 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8188 * gcc.c (main): Correct type that is allocated for
8189 explicit_link_files.
8191 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8193 * config/s390/s390.c (init_alignment_context): Set
8194 ALIAS_SET_MEMORY_BARRIER on the MEM.
8195 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8197 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8200 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8202 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8205 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8207 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8208 * regrename.c: Ditto.
8209 * tree-ssa-loop-im.c: Ditto.
8210 * tree-dump.c: Ditto.
8211 * tree-complex.c: Ditto.
8212 * genrecog.c: Ditto.
8213 * tree-ssa-threadupdate.c: Ditto.
8215 * java/class.c: Ditto.
8216 * java/jcf-parse.c: Ditto.
8217 * java/resource.c: Ditto.
8218 * java/except.c: Ditto.
8219 * java/jvspec.c: Ditto.
8220 * java/jcf-write.c: Ditto.
8221 * java/jcf-path.c: Ditto.
8222 * java/gjavah.c: Ditto.
8223 * java/zextract.c: Ditto.
8224 * java/jcf-io.c: Ditto.
8225 * java/jcf.h: Ditto.
8226 * java/buffer.c: Ditto.
8227 * java/lang.c: Ditto.
8228 * java/parse-scan.y: Ditto.
8229 * java/lex.c: Ditto.
8230 * java/lex.h: Ditto.
8231 * cfgloopmanip.c: Ditto.
8232 * postreload-gcse.c: Ditto.
8233 * tree-ssa-loop-manip.c: Ditto.
8234 * postreload.c: Ditto.
8235 * tree-ssa-loop-ch.c: Ditto.
8239 * diagnostic.c: Ditto.
8241 * genoutput.c: Ditto.
8243 * cfghooks.c: Ditto.
8244 * cfgloopanal.c: Ditto.
8245 * objc/objc-act.c: Ditto.
8247 * genextract.c: Ditto.
8248 * genautomata.c: Ditto.
8249 * pretty-print.c: Ditto.
8251 * cgraphunit.c: Ditto.
8254 * haifa-sched.c: Ditto.
8255 * dominance.c: Ditto.
8257 * tree-ssa-loop-ivopts.c: Ditto.
8259 * mode-switching.c: Ditto.
8260 * modulo-sched.c: Ditto.
8262 * ipa-pure-const.c: Ditto.
8264 * fix-header.c: Ditto.
8266 * tree-stdarg.c: Ditto.
8267 * ipa-utils.c: Ditto.
8268 * loop-init.c: Ditto.
8269 * ipa-inline.c: Ditto.
8272 * alloc-pool.c: Ditto.
8273 * dwarf2out.c: Ditto.
8275 * genattrtab.c: Ditto.
8276 * tree-ssa-loop-ivcanon.c: Ditto.
8280 * fortran/gfortranspec.c: Ditto.
8282 * local-alloc.c: Ditto.
8283 * langhooks.c: Ditto.
8284 * function.c: Ditto.
8285 * tree-vectorizer.c: Ditto.
8287 * ipa-type-escape.c: Ditto.
8289 * tree-if-conv.c: Ditto.
8292 * tree-data-ref.c: Ditto.
8293 * loop-unroll.c: Ditto.
8294 * treelang/treetree.c: Ditto.
8297 * ggc-common.c: Ditto.
8299 * coverage.c: Ditto.
8301 * tree-cfgcleanup.c: Ditto.
8302 * tree-ssa-pre.c: Ditto.
8303 * cfgcleanup.c: Ditto.
8304 * loop-invariant.c: Ditto.
8306 * ipa-prop.c: Ditto.
8307 * print-tree.c: Ditto.
8308 * conflict.c: Ditto.
8309 * ggc-page.c: Ditto.
8310 * sched-deps.c: Ditto.
8311 * regclass.c: Ditto.
8312 * tree-object-size.c: Ditto.
8314 * bb-reorder.c: Ditto.
8315 * resource.c: Ditto.
8316 * var-tracking.c: Ditto.
8318 * df-problems.c: Ditto.
8319 * reg-stack.c: Ditto.
8322 * sched-rgn.c: Ditto.
8323 * tree-ssa-structalias.c: Ditto.
8324 * tree-ssa-reassoc.c: Ditto.
8325 * config/darwin-c.c: Ditto.
8326 * config/darwin.c: Ditto.
8327 * config/arm/arm.c: Ditto.
8329 * collect2.c: Ditto.
8332 2006-01-31 Nicolas Pitre <nico@cam.org>
8334 * arm.md (smaxsi3): Make aware of smax_m1.
8337 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8339 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8341 2006-01-31 Richard Guenther <rguenther@suse.de>
8343 * doc/invoke.texi (-msselibm): Document.
8344 * target.h (expand_library_builtin): New target hook.
8345 * builtins.c (expand_builtin): Use expand_library_builtin.
8346 (default_expand_library_builtin): New function.
8347 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8348 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8349 (link_gcc_math_spec): Declare.
8350 (static_specs): Add link_gcc_math_spec.
8351 * expr.h (default_expand_library_builtin): Declare.
8352 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8353 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8354 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8355 * config/i386/i386.opt (msselibm): New target option.
8356 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8357 (ix86_init_sse_abi_builtins): New function.
8358 (ix86_expand_library_builtin): Likewise.
8359 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8360 (override_options): Handle error conditions wrt -msselibm.
8361 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8362 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8363 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8366 2006-01-31 Richard Guenther <rguenther@suse.de>
8367 Paolo Bonzini <bonzini@gnu.org>
8369 * doc/install.texi (--disable-libgcc-math): Document.
8371 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8373 * expr.h (expand_normal): new inline function.
8374 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8376 * dwarf2out.c: use it.
8381 * config/sparc/sparc.c: use it.
8382 * config/i386/i386.c: use it.
8383 * config/rs6000/rs6000.c: use it.
8384 * config/arm/arm.c: use it.
8385 * config/mips/mips.c: use it.
8386 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8388 2006-01-30 Roger Sayle <roger@eyesopen.com>
8390 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8391 argv to the appropriate type.
8393 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8395 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8398 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8401 * config/s390/s390.c (struct machine_function): New flag
8402 decomposed_literal_pool_addresses_ok_p.
8403 (s390_reorg): Set it before final stage of literal pool transforms.
8404 (s390_decompose_address): Only accept displacements of the form
8405 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8407 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8409 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8410 the comparison routine return.
8412 2006-01-30 Michael Matz <matz@suse.de>
8414 * global.c (find_reg): Only evict for global regs.
8415 Take n_refs into account and dump more info.
8417 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8420 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8421 (pragma_trap, pragma_nosave_low_regs): Likewise.
8422 (current_function_anonymous_args): Likewise.
8423 (sh_deferred_function_attributes): New variable.
8424 (sh_deferred_function_attributes_tail): Likewise.
8425 (print_operand): For '@', look up trap_exit attribute.
8426 (calc_live_regs): Look up trapa_handler attribute. For trapa
8427 handlers, save/restore fpscr, but don't do any other
8428 interrupt-specific saves.
8429 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8430 Fix check for partially saved registers to check for SHmedia.
8431 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8432 (sh_output_function_epilogue): Don't clear any of the removed
8434 (sh_insert_attributes): Don't check pragma_interrupt.
8435 Insert deferred attributes. Check that interrupt attribute is
8436 present for other attributes that require its presence.
8437 (sh_attribute_table): Add new attributes trapa_handler and
8439 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8440 Don't check for pragma_interrupt. Don't store argument.
8441 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8442 (sh_deferred_function_attributes): Declare.
8443 (sh_deferred_function_attributes_tail): Likewise.
8444 * sh.md (sp_switch_1): Add operand. Change generator caller.
8445 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8446 (*return_i): Don't use when trap_exit attribute is in effect.
8447 (*return_trapa): New insn pattern.
8449 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8450 setting c_target_objs and cxx_target_objs.
8451 * t-sh: Add rule for sh-c.o.
8453 2006-01-30 Richard Guenther <rguenther@suse.de>
8456 * gimplify.c (gimplify_target_expr): Handle easy cases
8457 without creating a temporary.
8459 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8461 * vec.h (safe_grow): Remove duplicated line.
8463 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8466 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8467 (expand_omp): ... here.
8468 (expand_omp_parallel): Only remove barriers for combined
8469 parallel+workshare constructs.
8471 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8475 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8476 * tree.c (build_qualified_type): Chain the new type to the original
8477 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8478 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8479 (build_pointer_type_for_mode): Only return unqualified types.
8480 (build_reference_type_for_mode): Likewise.
8482 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8484 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8485 * Makefile.in (CXX_COMPAT_WARN): Define.
8486 * configure: Regenerate.
8488 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8491 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8494 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8496 * toplev.c: Fix thinko.
8498 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8499 Marcin Dalecki <martin@dalecki.de>
8501 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8502 (push_srcloc): Use XNEW.
8503 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8505 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8507 * df-core.c (df_set_blocks): Deleted all variable.
8509 2006-01-28 Ian Lance Taylor <ian@airs.com>
8511 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8512 cgraph_output_pending_asms.
8514 2006-01-28 Zack Weinberg <zackw@panix.com>
8516 * c.opt: Add -W(no-)overlength-strings.
8517 * doc/invoke.texi: Document it.
8518 * c-opts.c (c_common_handle_option): -pedantic implies
8519 -Woverlength-strings, if not explicitly disabled already.
8520 (c_common_post_options): -Woverlength-strings defaults to off, and
8521 is always off for C++.
8522 * c-common.c (fix_string_type): Issue warning about strings longer
8523 than is portable only if warn_overlength_strings. Rearrange code
8524 a little for clarity.
8525 * configure.in: Check for -Wno-overlength-strings as well before
8526 enabling -pedantic in stage 1.
8527 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8528 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8530 * genconditions.c (write_header, write_one_condition)
8531 (write_conditions, write_writer): Consolidate very long strings
8532 that were broken up to fit in C89 portable limit. Don't use
8533 printf when fputs will do.
8535 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8537 * combine.c (simplify_comparison <AND>): Check
8538 TRULY_NOOP_TRUNCATION before start using a subreg.
8540 * config/mips/mips.md (*branch_zero<mode>,
8541 *branch_zero<mode>_inverted, *branch_equality<mode>,
8542 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8543 Remove mode check from comparisons.
8545 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8547 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8549 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8551 * expmed.c (const_mult_add_overflow_p): Remove.
8552 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8554 * recog.c (validate_replace_rtx_subexp): Remove.
8555 * recog.h: Remove the prototype for
8556 validate_replace_rtx_subexp.
8558 * integrate.h: Remove the prototype for
8559 copy_decl_for_inlining.
8560 * rtl.h: Remove the prototype for mark_constant_function.
8561 * tree-vectorizer.h: Remove the prototype for
8562 vect_strip_conversion.
8564 * modulo-sched.c (create_partial_schedule,
8565 free_partial_schedule, reset_partial_schedule): Make them
8568 * hooks.c (hook_bool_rtx_int_false): Remove.
8569 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8571 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8573 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8574 and -mlong-double-128 are incompatible.
8575 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8576 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8577 (TARGET_LIBGCC2_CFLAGS): Define.
8578 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8579 (TARGET_LIBGCC2_CFLAGS): Same.
8580 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8582 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8585 * c-typeck.c (build_binary_op): Perform implicit casts of
8586 operands before shortening them.
8588 * cfgloopmanip.c (split_loop_bb): Remove.
8589 * cfgloop.h: Remove the prototype for split_loop_bb.
8591 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8592 * cfgloop.h: Remove the prototype for
8593 flow_loop_outside_edge_p.
8595 * emit-rtl.c (init_virtual_regs): Make it static.
8596 * function.h: Remove the prototype for init_virtual_regs.
8598 * recog.c (peephole2_optimize): Make it static.
8599 * recog.h: Remove the prototype for peephole2_optimize.
8601 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8603 * df-scan.c (df_record_entry_block_defs): Check if
8604 INCOMING_RETURN_ADDR_RTX is defined.
8606 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8607 Kenneth Zadeck <zadeck@naturalbridge.com>
8609 PR rtl-optimization/24762
8610 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8611 * targhooks.c (hook_void_bitmap): New hook prototype.
8612 * targhoohs.h (hook_void_bitmap): Ditto.
8613 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8614 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8615 * target.h (live_on_entry): New function pointer.
8616 * df-scan.c (df_all_hard_regs): Removed.
8617 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8618 (df_scan_free_internal): Added df->entry_block_defs.
8619 (df_scan_alloc): Ditto.
8620 (df_scan_dump): Ditto.
8621 (df_uses_record): Plumbed flag field properly thru calls.
8622 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8623 This part fixes PR24762.
8624 (df_bb_refs_record): Added code to make the frame and arg
8625 pointers live in EH blocks.
8626 (df_refs_record): Added call to df_record_entry_block_defs.
8627 (df_record_entry_block_defs): New function.
8628 * df-core.c: Added comments to describe new artifical defs.
8629 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8630 (entry_block_defs): New field in struct df.
8631 (df_all_hard_regs): Deleted.
8632 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8633 * df-problems.c (df_ru_bb_local_compute_process_def):
8634 Added code to handle artifical defs in the entry to a function.
8635 (df_ru_bb_local_compute): Ditto.
8636 (df_rd_bb_local_compute_process_def): Ditto.
8637 (df_rd_bb_local_compute): Ditto.
8638 (df_lr_bb_local_compute): Ditto.
8639 (df_ur_bb_local_compute): Ditto.
8640 (df_urec_bb_local_compute): Ditto.
8641 (df_chain_create_bb): Ditto.
8642 (df_ur_local_finalize): Removed entry.
8643 (df_urec_init): Ditto.
8644 (df_urec_local_finalize): Ditto.
8645 (df_ri_bb_compute): Added detection of last use of pseudos.
8646 * Makefile.in (df-scan.o): Updated dependencies.
8647 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8648 * config/mips/mips.c (mips_set_live_on_entry): Added.
8649 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8651 * dce.c (marked_insn_p): Added code to handle artifical defs.
8653 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8655 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8657 (_mm_cvtsi128_si64): Likewise.
8658 (_mm_cvtsd_si64): Likewise.
8659 (_mm_cvttsd_si64): Likewise.
8660 (_mm_cvtsi64_sd): Likewise.
8661 (_mm_cvtsi64_si128): Likewise.
8662 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8663 (_mm_cvtsi64_m64): Likewise.
8664 (_m_to_int64): Likewise.
8665 (_mm_cvtm64_si64): Likewise.
8666 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8667 (_mm_cvttss_si64): Likewise.
8668 (_mm_cvtsi64_ss): Likewise.
8669 (_mm_cvtss_f32): Likewise.
8671 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8673 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8674 for pragma redefine_extname.
8676 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8679 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8680 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8681 -mno-minimal-toc to previous content.
8682 (bispecs): Remove goal.
8683 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8684 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8685 compatibility aliases on powerpc-*-*gnu*.
8686 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8687 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8688 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8689 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8690 (ldblspecs): New goal.
8691 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8692 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8694 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8695 L_sf_to_tf or L_df_to_tf is defined.
8697 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8698 Alan Modra <amodra@bigpond.net.au>
8701 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8702 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8703 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8704 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8705 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8706 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8707 (rs6000_override_options): Initialize rs6000_ieeequad.
8708 Initialize TFmode format to ibm_extended_format if not
8710 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8712 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8713 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8714 (function_arg_advance): IBM long double passed in two FPRs, not
8716 (function_arg): IBM long double passed in FPRs.
8717 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8718 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8719 Only multireg GPR aligned.
8720 (rs6000_init_libfuncs): Enable IBM long double functions if not
8722 (rs6000_generate_compare): Use IBM long double compare if not
8724 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8725 (TARGET_IEEEQUAD): Define.
8726 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8727 not TARGET_IEEEQUAD.
8728 * config/rs6000/rs6000.md: Enable TFmode patterns if
8730 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8731 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8732 and -mlong-double-128 are incompatible.
8733 * doc/invoke.texi (-mabi): Collect options together. Add
8734 ibmlongdouble and ieeelongdouble.
8736 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8738 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8740 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8741 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8742 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8743 * rtl.h (rtunion_def): Remove rt_ptr.
8745 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8746 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8747 * config/i386/winnt.c (i386_pe_mark_dllexport)
8748 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8750 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8752 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8754 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8758 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8759 pthread_key_delete. From John David Anglin. gthrw-ify
8760 pthread_getunique_np only if it it's not a macro. Delete
8762 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8763 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8764 __gthread_objc_condition_signal, __gthread_key_delete): Add
8765 "__attribute__ ((__unused__))" to unused arguments.
8766 (__gthread_recursive_mutex_init_function): Add missing return.
8767 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8768 gthr-posix95.h: Use macro-based approach for name redirection
8769 on targets missing weakref.
8771 2006-01-26 Zack Weinberg <zackw@panix.com>
8773 * genconditions.c (write_header): In generated code, #ifdef out
8774 all includes and fake declarations, except includes of bconfig.h
8775 and system.h, unless GCC_VERSION >= 3001. Do not include
8776 gensupport.h in any case.
8777 (write_conditions): Generate a definition of struct c_test. Add
8778 a comment to the generated #endif.
8779 (write_one_condition): Escape backslashes in string too.
8780 (write_writer): Generated code must escape backslashes and quote
8781 marks (but not newlines) in the strings it writes.
8782 * Makefile.in (build/gencondmd.o): Update dependencies.
8784 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8787 * Makefile.in (insn-automata.o): Add header file dependencies.
8788 * genautomata.c: Add includes.
8790 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8793 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8795 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8797 * configure.ac: Expect target tools paths to be passed from the toplevel
8798 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8800 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8802 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8805 * c.opt (Wpointer-sign): Init to -1.
8806 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8807 OPT_pedantic, to 0 otherwise.
8808 * doc/invoke.texi: Update.
8810 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8812 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8813 constants provided by 80387 instructions in the destination mode.
8815 2006-01-26 Richard Guenther <rguenther@suse.de>
8816 Andrew Pinski <pinskia@physics.uc.edu>
8819 partial PR tree-opt/17064
8820 * tree-ssa-structalias.c (intra_create_variable_infos):
8821 Create heap variables for incoming parameters if
8822 flag_argument_noalias > 1.
8823 (find_what_p_points_to): Look through default defs of
8826 2006-01-26 Jeff Law <law@redhat.com>
8829 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8830 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8831 within the VR_RANGE, use the VR_RANGE as the result, not the
8833 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8834 bounds for the type.
8836 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8838 * tree-ssa-alias.c (maybe_create_global_var): Change
8839 subvar walking to an assertion that we don't have subvar'd variables.
8841 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8844 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8845 Use a new variable, inner. PARM_DECLs are always non-weak.
8847 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8849 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8852 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8854 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8856 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8858 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8859 (smax_insn, smin_insn, smax_0, smin_0): New.
8861 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8864 * config/cris/cris.c (cris_order_for_addsi3): New function.
8865 * config/cris/cris-protos.h: Prototype it.
8866 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8867 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8868 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8869 (split for "op.S1 [rx=rx+i],ry (swapped)")
8870 (split for "op(s|u).S1 [rx=rx+i],ry")
8871 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8872 Apply cris_order_for_addsi3 when generating addsi3 insns.
8874 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8876 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8877 (TREE_BLOCK): Add call to EXPR_CHECK.
8879 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8882 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8883 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8884 (dump_omp_clauses): ... here.
8885 (dump_generic_node): Handle OMP_CLAUSE.
8886 * tree.c (omp_clause_num_ops): New.
8887 (omp_clause_code_name): New.
8888 (tree_code_size): Handle OMP_CLAUSE.
8889 (tree_size): Likewise.
8890 (make_node): Document handling of OMP_CLAUSE.
8891 (tree_node_structure): Handle OMP_CLAUSE.
8892 (omp_clause_check_failed): New.
8893 (omp_clause_range_check_failed): New.
8894 (omp_clause_operand_check_failed): New.
8895 (build_omp_clause): New.
8896 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8897 * tree.h (enum omp_clause_code): Declare.
8898 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8899 (OMP_CLAUSE_RANGE_CHECK): Define.
8900 (OMP_CLAUSE_ELT_CHECK): Define.
8901 (omp_clause_check_failed): Declare.
8902 (omp_clause_operand_check_failed): Declare.
8903 (omp_clause_range_check_failed): Declare.
8904 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8905 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8906 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8907 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8908 (OMP_CLAUSE_IF_EXPR): Likewise.
8909 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8910 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8911 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8912 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8913 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8914 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8915 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8916 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8917 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8918 (OMP_CLAUSE_CODE): Define.
8919 (OMP_CLAUSE_SET_CODE): Define.
8920 (OMP_CLAUSE_CODE): Define.
8921 (OMP_CLAUSE_OPERAND): Define.
8922 (struct tree_omp_clause): Declare.
8923 (union tree_node): Add field 'omp_clause'.
8924 * treestruct.def (TS_OMP_CLAUSE): Define.
8925 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8926 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8927 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8928 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8929 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8930 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8931 (OMP_CLAUSE): Define.
8932 * print-tree.c (print_node): Handle OMP_CLAUSE.
8933 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8934 * c-typeck.c: Likewise.
8935 * gimplify.c: Likewise.
8936 * c-omp.c: Likewise.
8937 * tree-nested.c: Likewise.
8938 * tree-inline.c: Likewise.
8939 * c-parser.c: Likewise.
8940 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8943 2006-01-25 Roger Sayle <roger@eyesopen.com>
8945 PR rtl-optimization/25703
8946 * combine.c (try_combine): Handle zero_extract and strict_low_part
8947 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8949 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8951 * global.c: Fix comment typos.
8953 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8956 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8957 Use output_addr_const instead of assemble_name.
8959 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8961 * Makefile.in (sched-vis.o): Update dependencies.
8962 * haifa-sched.c (sched_finish): Clear current_sched_info.
8963 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8964 (dump_flow_info): Call it.
8965 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8967 * basic-block.h (dump_bb_info): Declare.
8968 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8969 option, and apply options only for dump files whose TDF_RTL,
8970 TDF_TREE, or TDF_IPA bits match.
8971 * rtl.h: Declare new functions exported from sched-vis.c.
8972 * sched-vis.c: Enable also if scheduling is not used.
8973 (print_value): Print the mode of registers if not inside scheduling.
8974 (print_insn): Make it work outside the scheduler. Beautify the output
8976 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8978 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8980 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8981 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8982 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8983 depending on the value of CONSTANT_POOL_ADDRESS_P.
8984 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8986 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8987 rather than SYMBOL_REF_DECL.
8988 (rtx_constant_pool): Remove const_rtx_sym_htab.
8989 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8990 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8991 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8992 Remove handling of const_rtx_sym_htab.
8993 (find_pool_constant): Delete.
8994 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8995 rather than find_pool_constant.
8996 (get_pool_constant_for_function): Delete.
8997 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8999 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9000 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9001 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9002 (SYMBOL_REF_CONSTANT): New macro.
9003 (get_pool_constant_for_function): Delete.
9004 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9005 rather than SYMBOL_REF_DECL.
9006 (i386_pe_mark_dllimport): Likewise.
9007 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9008 rather than SYMBOL_REF_DECL.
9009 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9010 (machopic_indirect_call_target): Likewise.
9012 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9014 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9016 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9018 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9020 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9022 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9024 2006-01-24 David Daney <ddaney@avtrex.com>
9027 * configure.ac (enable_tls): New enable option.
9028 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9029 * configure: Regenerate.
9030 * doc/install.texi (--enable-tls): Document new option.
9031 (--disable-tls): Ditto.
9033 2006-01-24 Richard Henderson <rth@redehat.com>
9035 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9036 * alias.c (true_dependence): Respect it.
9037 (canon_true_dependence, write_dependence_p): Likewise.
9038 * builtins.c (get_builtin_sync_mem): Set it.
9040 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9042 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9045 2006-01-24 DJ Delorie <dj@redhat.com>
9047 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9048 for storing constants in single-bit bitfields.
9050 2006-01-25 Ben Elliston <bje@au.ibm.com>
9052 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9054 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9057 * tree-ssa-pre.c (phi_translate): Return NULL
9058 for AGGREGATE_TYPE's.
9060 2006-01-24 Zack Weinberg <zackw@panix.com>
9062 * genautomata.c (process_state_for_insn_equiv_partition):
9063 Use xcalloc for insn_arcs_array.
9064 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9065 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9067 2006-01-24 Richard Henderson <rth@redhat.com>
9069 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9072 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9074 PR rtl-optimization/25890
9075 PR rtl-optimization/25905
9076 * combine.c (expand_compound_operation, expand_field_assignment):
9077 Fail if the bitfield's final position is out of bounds.
9079 2006-01-24 Ian Lance Taylor <ian@airs.com>
9082 * cgraphunit.c (cgraph_output_in_order): Don't clear
9083 cgraph_asm_nodes until after asm strings have been output.
9085 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9087 * fix-header.c (read_scan_file): Add new parameter imultilib when
9088 calling register_include_chains.
9090 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9092 * omp-low.c: Update documentation.
9094 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9095 Daniel Berlin <dberlin@dberlin.org>
9099 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9100 return from the function.
9102 2006-01-22 Zack Weinberg <zackw@panix.com>
9104 * rtl.def (match_code): Add second argument.
9105 * genpreds.c (write_extract_subexp): New function.
9106 (write_match_code): Add path argument. Use write_extract_subexp.
9107 (write_predicate_expr): Pass path to write_match_code.
9108 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9109 not perform a mode test.
9110 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9111 a subexpression does not constrain the top-level code set.
9112 * read-rtl.c (read_rtx_variadic): New function.
9113 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9114 * doc/md.texi: Document new notation.
9115 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9116 (cmpsi_operand): ... here, using new notation.
9118 2006-01-22 Zack Weinberg <zackw@panix.com>
9120 * varray.c: Remove GENERATOR_FILE #ifdefs.
9122 2006-01-22 Zack Weinberg <zackw@panix.com>
9124 * genautomata.c (output_reserved_units_table): Emit nothing if
9125 description->query_units_num is zero. Remove extra blank line.
9126 (output_cpu_unit_reservation_p): Short circuit
9127 if description->query_units_num is zero.
9129 2006-01-22 Zack Weinberg <zackw@panix.com>
9131 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9132 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9133 nor any of the random handful of variables that used to be necessary
9134 when this program was linked with rtlanal.o. Prune set of forward
9135 function declarations.
9136 (struct attr_desc): Remove static_p field.
9137 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9138 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9139 (attr_string): Do not read the character one past the length of
9141 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9142 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9143 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9144 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9145 (make_automaton_attrs): New.
9146 (main): Do not call into genautomata. Call local gen_bypass
9147 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9148 Remove special case for insn_alts.
9149 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9150 varray.h (leftover from previous change). Prune set of forward
9151 function declarations. Remove state_alts fields from all
9152 structures. Remove state_alts_table from struct automaton.
9153 Make everything except main static. Do not maintain num_dfa_decls.
9154 Do not maintain state_alts fields of various structures.
9155 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9156 (add_arc): Remove state_alts argument. All callers updated.
9157 (output_reserved_units_table): Emit #ifdef here...
9158 (output_tables): ...not here. Don't generate state_alts tables.
9159 (expand_automata): Don't generate attributes.
9160 (write_automata): Don't generate state_alts functions.
9161 (main): New function.
9162 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9163 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9164 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9165 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9166 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9167 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9168 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9169 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9171 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9172 * genattrtab.h: Delete file.
9173 * Makefile.in (OBJS-common): Add insn-automata.o.
9174 (insn-automata.o): New rule.
9175 (simple_generated_c): Add insn-automata.c.
9176 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9177 (genprogmd): Add automata.
9178 (build/genattrtab): Needs no extra objects nor libraries.
9179 (build/genautomata): Needs build/vec.o and -lm.
9181 2006-01-22 Zack Weinberg <zackw@panix.com>
9183 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9184 (output_dfa_max_issue_rate, locked_states_num): Delete.
9185 (struct automaton): Add locked_states field.
9186 (output_dead_lock_vect): Save number of locked states in
9187 automaton->locked_states. If it is zero, don't print anything.
9188 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9189 (output_internal_dead_lock_func): Only test the dead_lock_vect
9190 for automata that have locked states.
9191 (output_statistics): Always print the number of locked states for
9192 each automaton. Calculate total number of locked states here.
9193 (write_automata): Don't call output_dfa_max_issue_rate.
9194 * genattrtab.c: Define length_unit_log as a const variable.
9195 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9196 max_insn_queue_index const.
9197 * final.c (length_unit_log): Declare const.
9198 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9200 2006-01-22 Zack Weinberg <zackw@panix.com>
9202 * genautomata.c: Include vec.h, not varray.h.
9203 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9204 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9205 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9206 VEC_* macros operating on appropriately typed vectors, or to
9207 malloced arrays when the size is known in advance. Const-ify
9208 many char* variables and function arguments. No functional changes.
9209 * Makefile.in (build/varray.o): Delete rule.
9210 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9211 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9213 2006-01-22 Zack Weinberg <zackw@panix.com>
9215 * gensupport.c: Define get_insn_name and record_insn_name here.
9216 (read_md_rtx): Call record_insn_name as appropriate.
9217 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9218 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9219 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9221 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9222 (BUILD_VARRAY): Delete.
9223 (genprognormal): Rename genprogmd. Fold in all programs from
9224 genprognoprint; also attrtab.
9225 (build/genattrtab): Just mention genautomata.o and varray.o.
9226 Reorganize a bit, add comments to make the categories clearer.
9228 2006-01-22 Zack Weinberg <zackw@panix.com>
9230 * genconditions.c (condition_table, add_condition): Delete.
9231 (write_conditions): Don't emit n_insn_conditions nor
9232 insn_elision_unavailable. Issue the gcc version #ifdef here,
9233 inside the table, with no #else clause ...
9234 (write_header): ...not here.
9235 (write_writer): New function.
9236 (main): Don't initialize condition_table. Use add_c_test.
9238 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9239 files on the command line.
9240 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9241 Return -1 if there is no entry in the table, don't abort.
9242 (add_c_test, traverse_c_tests): New functions.
9243 * gensupport.h (insn_elision_unavailable, insn_conditions)
9244 (n_insn_conditions): Delete declarations.
9245 (add_c_test, traverse_c_tests): Declare.
9246 * read-rtl.c: Include gensupport.h.
9247 (read_conditions): New function.
9248 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9249 (read_rtx_1): If we get EOF when we were looking for an initial
9250 open paren, return 0. Call read_conditions when appropriate.
9251 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9252 dummy-conditions.o. Eliminate references to insn-conditions.o,
9253 or change them to build/gencondmd.o, as appropriate. Remove
9254 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9255 from $(simple_generated_c). For all files remaining in those
9256 two lists, add insn-conditions.md to the generator command line.
9257 Give insn-constants.h/s-constants their own rules. Add rules
9258 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9259 (build/read-rtl.o): Depend on gensupport.h.
9260 (genprognormal): Include preds.
9261 (genprogearly): Rename genprognoprint; only difference is now that
9262 they don't link with $(BUILD_PRINT).
9263 * dummy-conditions.c: Delete.
9265 2006-01-22 Zack Weinberg <zackw@panix.com>
9267 * genextract.c: Don't include insn-config.h. Do include vec.h.
9268 Declare vectors of int, char, and locstr.
9269 (locstr): New typedef.
9270 (struct extraction): Make all array fields into bare pointers.
9271 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9272 (insn_code_number): Delete.
9273 (accum_extract): New struct.
9274 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9275 (gen_insn): Take insn_code_number as an argument. Use an
9276 accum_extract structure instead of loading data directly into
9277 a struct extraction, and having to know how big it might get.
9278 (walk_rtx): Operate entirely on an accum_extract structure.
9279 (print_path): Avoid unnecessary use of printf.
9280 (print_header): New function, split out of main. Distinguish
9281 more carefully between an unrecognizable insn and an insn that
9282 has the code number of a define_expand.
9283 (main): Pass insn_code_number to gen_insn. Call print_header
9284 only after parsing. Avoid unnecessary use of printf.
9285 * Makefile.in (build/vec.o): New rule.
9286 (build/genextract): Depend on build/vec.o.
9287 (build/genextract.o): Don't depend on insn-config.h.
9289 2006-01-22 Zack Weinberg <zackw@panix.com>
9291 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9292 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9293 practical. Eliminate per-generator-program link rules.
9295 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9298 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9299 with a call expr to ...
9300 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9302 2006-01-23 Richard Guenther <rguenther@suse.de>
9304 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9305 before make_edge with conditional EDGE_TRUE_VALUE.
9307 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9308 Jan Hubicka <jh@suse.cz>
9309 Richard Guenther <rguenther@suse.de>
9311 PR rtl-optimization/25654
9312 * cfgexpand.c (aggregate_contains_union_type): New function.
9313 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9314 for structure variables that contain a union type.
9316 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9318 * gengtype.c (new_structure): Return the structure.
9319 (create_option): Add an extra "next" argument.
9320 (create_field): New function.
9321 (adjust_field_rtx_def): Use create_option and create_field.
9322 Remove a now-unnecessary call to find_structure.
9323 (adjust_field_tree_def): Likewise.
9324 (note_yacc_type): Remove an unnecessary call to find_structure.
9325 * gengtype.h (new_structure): Return the structure.
9326 (create_option): Add an extra argument.
9327 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9328 (option): Adjust calls to create_option.
9330 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9332 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9334 2006-01-22 Paul Brook <paul@codesourcery.com>
9335 Peter Barada <peter@the-baradas.com>
9337 * config/m68k/m68k.md: Add Coldfire FPU support.
9338 Define FP mode macro and associated attributes.
9339 Use it for float mode patterns.
9340 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9341 (LIBCALL_VALUE): Use m68k_libcall_value.
9342 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9343 (m68k_function_value): Ditto.
9344 (emit_move_sequence): Ditto.
9345 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9346 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9347 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9348 (MULTILIB_EXCEPTIONS): Ditto.
9349 * config/m68k/m68k.opt: Add mcfv4e.
9350 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9351 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9352 (m68k_output_function_prologue): Save ColdFire FPU registers.
9353 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9354 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9355 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9356 ColdFire FPU registers.
9357 (m68k_libcall_value, m68k_function_value): New functions.
9358 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9359 (LIBCALL_VALUE): Use m68k_libcall_value.
9360 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9361 (MASK_COLDFIRE): Add MASK_CFV4E.
9362 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9363 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9364 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9365 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9366 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9367 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9368 * doc/invoke.tex: Document -mcfv4e on m68k.
9370 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9372 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9375 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9378 * c-opts.c (c_common_handle_option): Don't include
9379 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9380 * doc/invoke.texi (C++ Dialect Options): Document that
9381 -Wnon-virtual-dtor is no longer included in -Wall.
9383 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9385 * gcov.c (print_version), gcov-dump.c (print_version),
9386 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9389 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9391 * df-scan.c (problem_SCAN): Added NULL reset function.
9392 (df_scan_reset_blocks): Added code to call reset block function
9393 (df_bb_refs_delete) Fixed comment.
9394 (df_insn_refs_delete): Made tolerant of deleting non existent info
9395 for dataflow problems that need to be reset.
9396 * df-core.c (df_set_blocks): Ditto.
9397 * df.h (struct df_problem): Added reset_fun.
9398 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9399 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9400 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9401 functions to clear out all references to def-use or use-def chains.
9403 2006-01-21 Ben Elliston <bje@au.ibm.com>
9405 * varasm.c (assemble_real): Initialise data array.
9407 2006-01-20 Paul Brook <paul@codesourcery.com>
9409 Merge from csl-arm-branch.
9410 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9411 * config/arm/arm.md (movdi): Force operands[1] to a register
9412 if we have a non-register source.
9413 (*arm_movdi, *movdf_soft_insn): Require that one of the
9414 operands be a register.
9415 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9416 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9418 2006-01-20 DJ Delorie <dj@redhat.com>
9420 * varasm.c (initialize_constant_valid_p): Allow pointers
9421 initialized from integer constants of lesser precision.
9422 (output_constant): Allow non-int-sized pointer modes to be
9423 initialized from integer constants.
9425 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9428 * cppdefault.h (struct default_include): Add multilib flag.
9429 * cppdefault.c (cpp_include_defaults): Set it.
9430 * c.opt (-imultilib): New option.
9431 * c-opts.c (imultilib): New.
9432 (c_common_handle_option): Handle -imultilib.
9433 (c_common_post_options): Likewise.
9434 * c-incpath.c (add_standard_paths, register_include_chains):
9436 * c-incpath.h (register_include_chains): Add extra parameter.
9437 * gcc.c (do_spec_1): Generate -imultilib option.
9438 (The Specs Language): Update %I description.
9439 (process_command): Update copyright notice.
9440 * doc/cppopts.texi (-imultilib): Document.
9441 * doc/invoke.texi (-imultilib): Include in option summary.
9442 (%I): Update specs documentation.
9444 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9446 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9448 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9450 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9453 2006-01-20 Richard Guenther <rguenther@suse.de>
9454 Steven Bosscher <stevenb.gcc@gmail.com>
9456 PR rtl-optimization/24626
9457 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9458 EDGE_TRUE_VALUE if in RTL mode.
9461 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9462 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9464 2006-01-20 Dirk Mueller <dmueller@suse.com>
9467 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9468 instead of a special NOP marker.
9469 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9470 NOP marker handling.
9471 * c-common.h (empty_body_warning): Add forward declaration.
9472 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9473 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9475 2006-01-20 Paul Brook <paul@codesourcery.com>
9477 * Makefile.in (lang_checks): Keep going if mkdir fails.
9479 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9481 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9482 be able to clean out basic block when not necessary.
9483 (df_scan_free): Fixed to properly delete information if df is
9484 unused before calling df_finish.
9485 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9486 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9488 (df_bb_refs_delete): New function.
9489 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9490 * df-core.c (df_set_blocks): Added code to properly clean out
9491 unused blocks if they are not part of the blocks to consider.
9492 Added additional null check.
9493 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9494 be able to clean out basic block when not necessary
9495 * df.h (df_free_bb_function): Ditto.
9496 (df_bb_refs_delete): New function.
9497 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9498 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9499 basic block parameter to be able to clean out basic block when not
9501 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9502 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9503 Fixed to properly delete information if df is unused before
9506 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9508 PR rtl-optimization/25799
9509 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9510 Corrected confluence operator to remove bits from op2 before oring
9511 with op1 rather than removing bits from op1.
9512 (df_ru_transfer_function): Corrected test on wrong bitmap which
9513 caused infinite loop. Both of these problems were introduced in
9514 the dataflow rewrite.
9516 2006-01-19 DJ Delorie <dj@redhat.com>
9518 * reload1.c (find_reload_regs): Note the details of reload
9519 failures in the dump file.
9520 (spill_failure): Likewise.
9522 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9524 * loop-iv.c: Include df.h and hashtab.h.
9525 (enum iv_grd_result): New enum.
9526 (DF_REF_IV, DF_REF_IV_SET): New macros.
9527 (struct biv_entry): New.
9528 (df, bivs): New global variables.
9529 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9530 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9532 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9533 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9534 analyzed_for_bivness_p, record_biv): New functions.
9535 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9536 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9537 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9539 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9541 (iv_number_of_iterations): Use new interface to iv analysis.
9542 * loop-unroll.c: Do not include varray.h.
9543 (analyze_iv_to_split_insn): Use new interface to iv
9545 * loop-unswitch.c (may_unswitch_on): Ditto.
9546 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9548 (df_bb_modify): Realloc tables to the new index.
9549 (df_find_use): New function.
9550 * df.h (df_find_use): Declare.
9551 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9553 * cfgloop.h (struct rtx_iv): Remove analysed field.
9554 (iv_get_reaching_def): Removed.
9555 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9556 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9557 (loop-iv.o): Add df.h and hashtab.h dependency.
9558 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9560 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9563 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9565 (__floatundisf, __floatundidf): Likewise.
9566 * libgcc2.h (IS_IBM_EXTENDED): Define.
9568 2006-01-19 DJ Delorie <dj@redhat.com>
9570 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9572 2006-01-19 Paul Brook <paul@codesourcery.com>
9574 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9575 as nothrow when unwinding tables are disabled.
9577 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9580 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9581 of bit-field" when in system header.
9583 2006-01-19 DJ Delorie <dj@redhat.com>
9585 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9586 the 16 bit shift limit of the m16c.
9588 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9591 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9592 * config/i386/i386.c (output_set_got): Output the label if we have one
9593 for the TARGET_DEEP_BRANCH_PREDICTION case.
9595 2006-01-19 Jan Hubicka <jh@suse.cz>
9596 H.J. Lu <hongjiu.lu@intel.com>
9597 Evandro Menezes <evandro.menezes@amd.com>
9599 * invoke.texi (generic): Document
9601 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9602 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9603 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9604 (x86_use_incdec, x86_pad_returns): New variables
9605 (TARGET_CPU_DEFAULT_generic): New constant
9606 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9607 (enum processor_type): Add generic32 and generic64.
9608 * i386.md (cpu attribute): Add generic32/generic64
9609 (movhi splitter): Behave sanely when both partial_reg_dependency and
9610 partial_reg_stall are set.
9611 (K8 splitters): Enable for generic as well.
9612 * predicates.md (incdec_operand): Use TARGET_INCDEC
9613 (aligned_operand): Avoid memory mismatch stalls.
9614 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9615 * ppro.md: Enable for generic32
9616 * i386.c (generic64_cost, generic32_cost): New.
9617 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9618 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9619 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9620 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9621 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9622 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9623 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9624 x86_accumulate_outgoing_args, x86_prologue_using_move,
9625 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9626 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9628 (x86_use_incdec, x86_pad_returns): New.
9629 (override_options): Add generic32 and generic64, translate "generic"
9630 to generic32/generic64 and "i686" to "generic32", refuse
9631 "generic32"/"generic64" as arch target.
9632 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9633 (ix86_reorg): Honor PAD_RETURNS.
9635 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9637 * tree-pretty-print.c (dump_generic_node): Handle
9638 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9639 * cgraph.c (cgraph_expand_queue): Rename from
9640 cgraph_analyze_queue. Update all users.
9641 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9642 cgraph_expand_queue.
9643 (cgraph_expand_all_functions): Likewise.
9644 (cgraph_finalize_pending_functions): Remove. Update callers.
9646 * tree.h (OMP_DIRECTIVE_P): Define.
9647 (OMP_PARALLEL_FN): Define.
9648 (OMP_PARALLEL_DATA_ARG): Define.
9649 (OMP_SECTIONS_SECTIONS): Define.
9650 * tree-pass.h (pass_expand_omp): Declare.
9651 * omp-low.c (struct omp_region): Declare.
9652 (struct omp_context): Remove fields 'parallel_type',
9653 'parallel_start_ix' and 'parallel_start_additional_args'.
9655 (struct omp_for_data): Rename from struct expand_omp_for_data.
9656 (omp_regions): New static variable.
9657 (root_omp_region): New static variable.
9658 (find_omp_clause): Make static.
9659 (is_in_combined_parallel_ctx): Remove.
9660 (is_combined_parallel): New.
9661 (extract_omp_for_data): Move earlier in the file.
9662 (workshare_safe_to_combine_p): New.
9663 (get_ws_args_for): New.
9664 (determine_parallel_type): Move earlier in the file.
9665 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9667 (omp_copy_decl): Likewise.
9668 (create_omp_child_function): Likewise.
9669 (lookup_omp_region): New.
9670 (dump_omp_region): New.
9671 (debug_omp_region): New.
9672 (debug_all_omp_regions): New.
9673 (new_omp_region): New.
9674 (scan_omp_parallel): If parallel_nesting_level > 1, the
9675 directive is nested within another parallel directive.
9676 Set OMP_PARALLEL_FN.
9677 (scan_omp_for): Do not try to handle combined parallel+for
9679 Remove FIXME comment.
9680 (scan_omp_nested): Remove.
9681 (scan_omp_1): Do not call scan_omp_nested when
9682 parallel_nesting_level is > 1.
9683 Do not change the DECL_CONTEXT of local variables found.
9684 (lookup_decl_in_outer_ctx): New.
9685 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9686 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9687 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9688 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9689 If CTX is nested, lookup VAR in the outer context when
9690 building copy assignment.
9691 (lower_send_clauses): Rename from expand_send_clauses.
9692 If CTX is nested, lookup VAR in the outer context when
9693 building copy assignments.
9694 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9695 If CTX is nested, lookup VAR in the outer context when
9696 building copy assignments.
9697 (expand_parallel_call): Rename from build_parallel_call.
9698 Handle combined parallel+workshare cases.
9699 Re-implement to emit code into the CFG.
9701 (expand_omp_parallel): Re-implement to emit code into the CFG.
9702 Call move_sese_region_to_fn to outline the sub-graph
9703 containing the parallel region.
9704 (expand_omp_for_1): Remove.
9705 (expand_omp_for_generic): Re-implement to emit code into the
9707 (expand_omp_for_static_nochunk): Likewise.
9708 (expand_omp_for_static_chunk): Likewise.
9709 (expand_omp_for): Likewise.
9710 (expand_omp_sections): Likewise.
9711 (remove_exit_barriers): New.
9712 (expand_omp_synch): New.
9714 (build_omp_regions_1): New.
9715 (build_omp_regions): New.
9716 (execute_expand_omp): New.
9717 (gate_expand_omp): New.
9718 (pass_expand_omp): Define.
9719 (lower_omp_sections): Rename from expand_omp_sections.
9720 Set OMP_SECTIONS_SECTIONS.
9721 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9722 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9723 (lower_omp_single): Rename from expand_omp_simple.
9724 (lower_omp_master): Rename from expand_omp_master.
9725 (lower_omp_ordered): Rename from expand_omp_ordered.
9726 (lower_omp_critical): Rename from expand_omp_critical.
9727 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9728 (lower_omp_for): Re-implement.
9729 (lower_omp_parallel): Re-implement.
9730 (lower_regimplify): Rename from expand_regimplify.
9731 (lower_omp_1): Rename from expand_omp_1.
9732 If there are syntax errors in the program, replace every
9733 OpenMP directive with NOP.
9734 Call lower_omp_* instead of expand_omp_*.
9735 (lower_omp): Rename from expand_omp.
9737 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9738 * tree-gimple.h (enum omp_parallel_type): Remove.
9739 (gimple_boolify): Declare extern.
9740 (find_omp_clause, determine_parallel_type): Remove.
9742 * gimple-low.c (lower_omp_directive): New.
9743 (lower_stmt): Call it.
9744 (record_vars_into): Move from ...
9745 (record_vars): ... here.
9746 Call record_vars_into with current_function_decl.
9748 * gimplify.c (struct gimplify_ctx): Remove fields
9749 combined_pre_p and combined_ctxp. Update users.
9750 (get_formal_tmp_var): Add documentation.
9751 (gimple_boolify): Make extern.
9752 (gimplify_expr_in_ctx): Remove. Update callers.
9753 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9754 will always be a BIND_EXPR.
9755 (gimplify_expr): Handle OMP_RETURN_EXPR.
9756 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9757 (OMP_PARALLEL): Add 3 operands.
9758 (OMP_SECTIONS): Add 1 operand.
9759 (OMP_RETURN_EXPR): Define.
9761 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9762 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9763 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9764 creating a circular free list.
9765 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9767 * tree-flow.h (move_sese_region_to_fn): Declare.
9768 (record_vars_into): Declare.
9769 * tree-cfg.c (make_omp_sections_edges): New.
9770 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9771 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9772 OMP_SECTIONS and OMP_SECTION.
9773 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9774 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9775 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9776 (gather_blocks_in_sese_region): New.
9777 (struct move_stmt_d): Declare.
9779 (move_block_to_fn): New.
9780 (move_sese_region_to_fn): New.
9782 * passes.c (init_optimization_passes): Schedule
9783 pass_expand_omp after pass_init_datastructures.
9785 * tree-ssa-operands.c (get_expr_operands): Handle
9786 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9787 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9789 2006-01-19 Jeff Law <law@redhat.com>
9791 * tree-vrp.c (extract_range_from_assert): Refine the result range
9792 if the variable referenced by the ASSERT_EXPR has a range and
9793 either the tentative result range or the previous range is a
9796 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9798 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9800 2006-01-19 Jan Hubicka <jh@suse.cz>
9802 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9804 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9806 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9807 (expand_compound_operation, expand_field_assignment): Fail if the
9808 bit lengths of an extract operation are out of range.
9809 (make_extraction): Compute wanted_inner_mode based on the position
9810 and length of the extraction. Make it extraction_mode for non-constant
9811 positions, and do not modify offset in that case. When generating a
9812 new MEM, use a mode that can hold the extraction while keeping correct
9813 alignment. Remove code that supported MEMs wrapped by USEs.
9814 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9816 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9818 * config/s390/s390.md ("Y", "y"): New mode attribute.
9819 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9820 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9821 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9822 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9823 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9824 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9825 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9826 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9827 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9828 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9829 "addsi3", "subsi3"): Insn patterns removed.
9830 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9831 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9832 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9833 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9834 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9835 "*sub<mode>3_cconly2"): New insn patterns.
9836 ("addsi3", "subsi3"): New expanders.
9838 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9840 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9841 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9842 existing STMT_VINFO_VECTYPE if available.
9843 (vect_mark_relevant): Add special handling for stmts that are
9844 marked as STMT_VINFO_IN_PATTERN_P.
9845 (vect_analyze_loop): Call vect_pattern_recog.
9846 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9847 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9849 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9850 (vect_recog_func_ptr): New function-pointer type.
9851 * tree-vect-patterns.c: New file.
9852 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9853 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9854 (vect_pattern_recog_1): New functions.
9855 (vect_pattern_recog_funcs): New array of function pointers.
9857 * tree-vectorizer.h (ternary_op): New enum value.
9858 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9859 declaration. Revised documentation. Removed redundant dump prints.
9860 Removed redundant argument. Added support for reduction patterns.
9861 (vectorizable_reduction): Added support for reduction patterns.
9862 (vect_transform_stmt): Added support for patterns.
9864 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9865 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9866 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9867 (expand_widen_pattern_expr): New function.
9868 (init_optabs): Initialize new optabs udot_prod_optab,
9870 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9871 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9872 (expand_widen_pattern_expr): New function declaration.
9873 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9875 * tree-inline.c (estimate_num_insns_1): Added cases for new
9876 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9877 * tree-pretty-print.c (dump_generic_node): Likewise.
9878 (op_prio): Likewise.
9879 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9880 * tree-ssa-operands.c (get_expr_operands): Added case for
9882 * tree-vect-patterns.c (widened_name_p): New function.
9883 (vect_recog_dot_prod_pattern): Added function implementation.
9884 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9885 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9886 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9887 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9889 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9890 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9891 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9892 (init_optabs): Initialize new optabs widen_ssum_optab,
9894 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9895 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9896 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9897 use instead of type of def.
9898 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9899 function implementation.
9900 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9901 widen_ssumv8hi): New.
9903 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9906 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9909 * c-decl.c (add_flexible_array_elts_to_size): New function.
9910 (finish_decl): Use it.
9912 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9914 * diagnostic.h: Include options.h.
9915 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9916 dependancies for diagnostic.h.
9917 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9919 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9921 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9922 (ssa_ro_call_cache_valid): Ditto.
9923 * tree-ssa-alias.c (sort_tags_by_id): New function.
9924 (init_transitive_clobber_worklist): Ditto.
9925 (add_to_worklist): Ditto.
9926 (mark_aliases_call_clobbered): Ditto.
9927 (compute_tag_properties): Ditto.
9928 (set_initial_properties): Ditto.
9929 (compute_call_clobbered): Ditto.
9930 (compute_may_aliases): Call compute_call_clobbered and grouping.
9931 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9932 (compute_flow_insensitive_aliasing): Grouping now happens in our
9934 (setup_pointers_and_addressables): Remove clobbering related code.
9935 (add_may_alias): Ditto.
9936 (replace_may_alias): Ditto.
9937 (get_nmt_for): Ditto.
9938 (create_global_var):
9939 (is_escape_site): Return an escape_type enumeration.
9940 * tree-flow-inline.h (is_call_clobbered): Global var does not
9941 imply call clobbered.
9942 (mark_call_clobbered): Take a reason for marking this. Remove
9943 marking of globalness, and cache invalidation.
9944 (clear_call_clobbered): Remove cache invalidation code.
9945 * tree-dfa.c (dump_variable): If details is on, dump the reason
9947 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9949 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9950 (struct var_ann_d): Ditto.
9951 (enum escape_type): New.
9952 (mark_call_clobbered): Adjust prototype.
9953 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9954 are never call clobbered.
9955 Record reasons for escaping.
9956 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9957 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9958 (ssa_ro_call_cache_valid): Ditto.
9959 (clobbered_v_may_defs): Ditto.
9960 (clobbered_vuses): Ditto.
9961 (ro_call_vuses): Ditto.
9962 (clobber_stats): New.
9963 (init_ssa_operands): Zero out clobber stats.
9964 (fini_ssa_operands): Print out clobber stats.
9965 (get_call_expr_operands): Pass callee fndecl to
9967 (add_call_clobber_ops): Remove use of cache.
9968 Add use of PURE_CONST information.
9969 (add_call_read_ops): Remove use of cache.
9970 Add use of static not_read information.
9972 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9974 Introduce TLS descriptors for i386 and x86_64.
9975 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9976 (TARGET_ANY_GNU_TLS): New macro.
9977 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9978 (struct machine_function): Add tls_descriptor_call_expanded_p.
9979 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9980 (ix86_current_function_calls_tls_descriptor): Likewise.
9981 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9982 (override_options): Introduce gnu2 tls dialect.
9983 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9985 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9987 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9988 (ix86_init_machine_status): Initialize new field.
9989 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9990 (ix86_tls_module_base): New.
9991 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9992 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9993 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9994 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9995 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9996 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9997 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9998 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9999 * config/i386/predicates.md (tls_modbase_operand): New.
10000 (tp_or_register_operand): New.
10002 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10004 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10005 (look_for_address_of): Ditto.
10006 (ipa_init): Walk the function decls.
10007 (static_execute): Don't set readonly on FUNCTION_DECL's.
10009 2006-01-18 Roger Sayle <roger@eyesopen.com>
10011 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10012 for shifts where the source and destination registers are different.
10014 2006-01-18 Paul Brook <paul@codesourcery.com>
10016 Merge from csl-arm-branch.
10017 2005-03-14 Julian Brown <julian@codesourcery.com>
10018 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10019 (aeabi_llsl): Likewise.
10020 (ashrdi3): Likewise.
10021 (aeabi_lasr): Likewise.
10022 (lshrdi3): Likewise.
10023 (aeabi_llsr): Likewise.
10024 2005-03-10 Julian Brown <julian@codesourcery.com>
10025 * config.gcc: Disable shared libgcc for SymbianOS.
10026 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10028 2006-01-18 DJ Delorie <dj@redhat.com>
10030 * c-pragma.c (handle_pragma_diagnostic): New.
10031 (init_pragma): Register it.
10032 * doc/extend.texi: Document it.
10034 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10035 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10036 (diagnostic_context): Add classify_diagnostic[].
10037 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10038 as errors if they're overridden to DK_WARNING.
10039 (diagnostic_initialize): Initialize classify_diagnostic[].
10040 (diagnostic_set_kind_override): New.
10041 (diagnostic_report_diagnostic): Check for kind changes.
10042 * opts.c (common_handle_option): Take lang_mask. Update callers.
10043 Handle OPT_Werror_.
10044 * common.opt (Werror=): New.
10045 * doc/invoke.texi: Document -Werror=*
10047 2006-01-18 Jeff Law <law@redhat.com>
10049 * tree-vrp.c (test_for_singularity): Correct test for new
10050 min limit. Use operand_equal_p rather than pointer equality
10051 for testing if new min/max values are equal.
10053 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10054 using range information until after propagation and folding.
10056 2006-01-18 Richard Henderson <rth@redhat.com>
10057 Aldy Hernandez <aldyh@redhat.com>
10058 Jakub Jelinek <jakub@redhat.com>
10059 Diego Novillo <dnovillo@redhat.com>
10061 * omp-low.c: New file.
10062 * c-omp.c: New file.
10064 2006-01-18 Richard Henderson <rth@redhat.com>
10065 Jakub Jelinek <jakub@redhat.com>
10066 Diego Novillo <dnovillo@redhat.com>
10068 * doc/invoke.texi: Document -fopenmp.
10069 * tree-dump.h (debug_function): Declare.
10070 * hooks.c (hook_bool_tree_bool_false): New function.
10071 (hook_tree_tree_null): Remove.
10072 (hook_tree_tree_tree_null): New.
10073 * hooks.h: Update to match.
10074 * tree-pretty-print.c (debug_tree_chain): New.
10075 (print_generic_expr): Handle TDF_CHAIN.
10076 (dump_generic_node): Handle BLOCK.
10077 Do not abort with incomplete SWITCH_EXPRs.
10078 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10079 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10080 print space after directive name.
10081 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10082 Handle OMP_MASTER and OMP_ORDERED.
10083 Handle printing of OMP_BODY just in one place, goto
10084 dump_omp_body in the rest of OMP_* nodes that have
10086 Don't handle clause nodes here. Update omp statements to
10087 use dump_omp_clauses.
10088 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10089 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10090 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10091 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10092 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10093 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10094 Adjust output for GOMP_PARALLEL.
10095 (dump_omp_clauses): New.
10096 (print_declaration): Dump DECL_VALUE_EXPR.
10097 (op_symbol_1): Split out of op_symbol.
10098 (dumping_stmts): Remove. Update all users.
10099 * cgraph.c (cgraph_analyze_queue): New.
10100 (cgraph_add_new_function): New.
10101 * cgraph.h (cgraph_analyze_queue): Declare.
10102 (cgraph_add_new_function): Declare.
10103 (cgraph_lower_function): Remove.
10104 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10105 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10106 and TYPE_P nodes in its default clause.
10107 (empty_body_p): New.
10108 (tree_range_check_failed): New.
10109 (build5_stat): New.
10110 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10111 OMP_CLAUSE_REDUCTION_MERGE,
10112 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10113 OMP_CLAUSE_PRIVATE_DEBUG,
10114 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10115 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10116 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10117 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10118 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10119 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10120 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10121 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10122 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10123 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10124 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10125 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10126 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10127 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10128 (TREE_RANGE_CHECK): New.
10129 (empty_body_p): Declare.
10130 (enum omp_clause_default_kind): New.
10131 (build_string_literal): Declare.
10132 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10133 (build5_stat, build5): Declare.
10134 * tree-pass.h (TDF_CHAIN): Define.
10135 * tree-pass.h (PROP_gimple_lomp): Define.
10136 (pass_lower_omp): Declare.
10137 * diagnostic.h (debug_tree_chain): Declare.
10138 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10140 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10141 * builtins.c (build_string_literal): Make extern.
10142 * gcc.c (include_spec_function): New.
10143 (static_spec_functions): Add it.
10144 (main): Move load of libgomp.spec ...
10145 (LINK_COMMAND_SPEC): ... here.
10146 (link_gomp_spec): New.
10147 (static_specs): Include it.
10148 (LINK_COMMAND_SPEC): Add link_gomp.
10149 (GOMP_SELF_SPECS): New.
10150 (driver_self_specs): Include it.
10151 (switch_matches): Don't mark inline.
10152 (main): Load libgomp.spec.
10153 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10154 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10155 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10156 * tree-gimple.h (enum omp_parallel): Declare.
10157 (determine_parallel_type): Declare.
10158 (omp_firstprivatize_variable): Declare.
10159 (omp_reduction_init): Declare.
10160 (diagnose_omp_structured_block_errors): Declare.
10161 (struct walk_stmt_info): Add want_return_expr.
10162 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10163 (find_omp_clause): Declare.
10164 (insert_field_into_struct): Declare.
10165 (struct walk_stmt_info): Move from tree-nested.c
10166 (walk_stmts): Declare.
10167 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10169 * cgraphunit.c (cgraph_lower_function): Make static.
10170 (cgraph_finalize_pending_functions): New.
10171 (cgraph_finalize_function): Call it.
10172 (cgraph_finalize_compilation_unit): Likewise.
10173 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10174 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10175 (BT_FN_UINT_UINT): New.
10176 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10177 DEF_FUNCTION_TYPE_VAR_4): Document.
10178 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10179 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10180 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10181 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10182 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10183 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10184 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10185 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10186 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10187 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10188 into separate files.
10189 (DEF_GOMP_BUILTIN): New.
10190 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10191 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10192 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10193 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10194 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10195 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10196 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10197 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10198 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10199 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10200 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10201 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10202 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10203 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10204 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10205 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10206 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10207 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10208 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10209 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10210 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10211 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10212 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10213 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10214 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10215 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10216 * sync-builtins.def: New file, moved from builtins.def.
10217 * omp-builtins.def: New file, moved from builtins.def.
10218 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10219 * gimple-low.c (lower_function_body): Clear data.
10220 (lower_stmt): Do not handle COMPOUND_EXPR.
10221 Remove call to print_node_brief.
10222 * c-tree.h (c_finish_omp_clauses): New prototype.
10223 (C_DECL_THREADPRIVATE_P): Define.
10224 (lookup_name_no_remap, c_omp_remap_private): Remove
10225 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10226 (check_for_loop_decls): Update decl.
10227 (lookup_name_no_remap, c_omp_remap_private): Declare.
10228 (build_indirect_ref, build_modify_expr, pushdecl,
10229 pushdecl_top_level): Move to c-common.h.
10230 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10231 before the switch, but just in the 2 places that need it.
10232 * c-decl.c (diagnose_mismatched_decls): Do not check for
10233 mismatched thread-local attributes when OLDDECL is marked
10234 threadprivate and NEWDECL has no thread-local attributes.
10235 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10236 (c_gimple_diagnostics_recursively): Rename from
10237 c_warn_unused_result_recursively. Invoke
10238 diagnose_omp_structured_block_errors.
10239 (check_for_loop_decls): Return a singular decl found.
10240 * langhooks.c (lhd_omp_predetermined_sharing): Return
10241 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10242 (lhd_omp_firstprivatize_type_sizes): New.
10243 (lhd_omp_assignment): New.
10244 (lhd_omp_predetermined_sharing): New.
10245 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10246 (struct lang_hooks_for_types): Add
10247 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10248 omp_predetermined_sharing, omp_disregard_value_expr,
10249 omp_private_debug_clause, omp_clause_default_ctor,
10250 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10251 (c_finish_omp_clauses): New.
10252 (c_finish_bc_stmt): Diagnose break within omp for.
10253 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10254 (build_unary_op): Return error_mark after reporting
10256 (build_modify_expr): Likewise.
10257 * gimplify.c: Include optabs.h and pointer-set.h.
10258 (enum gimplify_omp_var_data): Declare.
10259 (struct gimplify_omp_ctx): Declare.
10260 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10262 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10263 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10264 (splay_tree_compare_decl_uid): New.
10265 (new_omp_context): New.
10266 (delete_omp_context): New.
10267 (gimple_add_tmp_var): Call omp_add_variable.
10268 (gimplify_bind_expr): Likewise.
10269 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10270 true, disregard DECL_VALUE_EXPR on the decl if any.
10271 (gimplify_expr_in_ctx): New.
10272 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10273 omp_add_variable, omp_notice_variable, omp_is_private
10274 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10275 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10276 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10277 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10278 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10279 gimplify_omp_atomic): New.
10280 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10281 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10282 OMP_CRITICAL and OMP_ATOMIC.
10283 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10284 * c-pragma.h (enum pragma_kind): Add
10285 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10286 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10287 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10288 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10289 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10290 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10291 PRAGMA_OMP_THREADPRIVATE.
10292 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10293 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10294 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10295 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10296 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10297 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10298 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10299 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10300 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10301 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10302 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10303 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10304 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10306 (struct nesting_info): Add field_map,
10307 suppress_expansion, debug_var_chain.
10308 (create_nesting_tree): Initialize them.
10309 (lookup_field_for_decl): Use field_map.
10310 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10311 (convert_local_omp_clauses): New.
10312 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10313 (walk_body): Split out of walk_function.
10314 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10315 (convert_nonlocal_reference): Handle omp statements.
10316 (convert_local_reference): Likewise.
10317 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10318 (unnest_nesting_tree): New.
10319 (lower_nested_functions): Call it.
10320 (insert_field_into_struct): Make extern.
10321 (struct walk_stmt_info): Move to tree-gimple.h.
10322 (walk_stmts): Make extern.
10323 * omp-builtins.def: New file.
10324 * tree-iterator.c (expr_only): Clarify comment.
10325 * c-common.h (pushdecl_top_level, pushdecl,
10326 build_modify_expr, build_indirect_ref,
10327 c_finish_omp_master, c_finish_omp_critical,
10328 c_finish_omp_ordered, c_finish_omp_barrier,
10329 c_finish_omp_atomic, c_finish_omp_flush,
10330 c_finish_omp_for, c_split_parallel_clauses,
10331 omp_clause_default_kind, c_omp_sharing_predetermined,
10332 c_omp_remap_decl): Declare.
10333 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10334 (OBJS-common): Add omp-low.o.
10335 (c-omp.o, omp-low.o): Add.
10336 (gimplify.o): Add dependency on $(OPTABS_H).
10337 (GTFILES): Add omp-low.c.
10338 (gt-stringpool.h): Add.
10339 * tree-cfg.c (set_bb_for_stmt): Do not update the
10340 block-to-labels map if we are currently expanding to RTL.
10341 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10343 Handle IDENTIFIER_NODE.
10344 (tree_verify_flow_info): Do not ICE when emitting error
10345 messages about invalid labels.
10346 (dump_function_to_file): Reset CFUN before emitting the body
10348 (debug_function): New.
10349 * passes.c (init_optimization_passes): Schedule
10351 * langhooks-def.h (lhd_omp_predetermined_sharing,
10352 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10354 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10355 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10356 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10357 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10358 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10359 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10360 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10361 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10362 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10363 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10364 (LANG_HOOK_DECLS): Use them.
10366 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10367 Richard Henderson <rth@redhat.com>
10368 Jakub Jelinek <jakub@redhat.com>
10369 Diego Novillo <dnovillo@redhat.com>
10371 * c-parser.c (pragma_omp_clause): Define.
10372 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10373 (c_parser_compound_statement): Likewise.
10374 (c_parser_statement): Likewise.
10375 (c_parser_pragma): Handle omp pragmas.
10376 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10377 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10378 (c_parser_omp_clause_name, check_no_duplicate_clause,
10379 c_parser_omp_variable_list,
10380 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10381 c_parser_omp_clause_copyprivate,
10382 c_parser_omp_clause_default,
10383 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10384 c_parser_omp_clause_lastprivate,
10385 c_parser_omp_clause_nowait,
10386 c_parser_omp_clause_num_threads,
10387 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10388 c_parser_omp_clause_reduction,
10389 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10390 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10391 c_parser_omp_atomic, c_parser_omp_barrier,
10392 c_parser_omp_critical, c_parser_omp_flush,
10393 c_parser_omp_for_loop, c_parser_omp_for,
10394 c_parser_omp_master, c_parser_omp_ordered,
10395 c_parser_omp_sections_scope, c_parser_omp_sections,
10396 c_parser_omp_parallel, c_parser_omp_single,
10397 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10398 * c-pragma.c (init_pragma): Do omp pragma registration here.
10399 * c.opt (fopenmp): New flag.
10401 2006-01-18 Eric Christopher <echristo@apple.com>
10403 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10404 * config/darwin.h (GOMP_SELF_SPECS): Define.
10406 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10408 * rtl.h: Remove the prototype for reg_alloc.
10410 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10413 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10414 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10415 sjlj and dwarf2 exception handling.
10416 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10417 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10418 * pa/pa.c (function_value): Treat complex and vector types as
10420 (function_arg): Likewise. Only pass scalar floats in the floating
10421 point argument registers.
10422 * pa/t-slibgcc-dwarf-ver: New file.
10423 * pa/t-slibgcc-sjlj-ver: New file.
10424 * pa/t-slibgcc-elf-ver: Delete file.
10426 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10428 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10429 unlikely_test_section_p test.
10431 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10433 * mode-switching.c (optimize_mode_switching): Make it static.
10434 * basic-block.h: Remove the prototype for
10435 optimize_mode_switching.
10437 * modulo-sched.c (sms_schedule): Make it static.
10438 * rtl.h: Remove the prototype for sms_schedule.
10440 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10441 * rtl.h: Remove the prototype for gcse_after_reload_main.
10443 * reg-stack.c (reg_to_stack): Make it static.
10444 * rtl.h: Remove the prototype for reg_to_stack.
10446 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10448 * rtl.h: Remove the prototypes for regrename_optimize and
10449 copyprop_hardreg_forward.
10451 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10453 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10454 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10455 Test against the appropriate null constant for the mode.
10456 If 'fixup_overlap' is true, swap the operands if they overlap.
10457 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10458 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10459 alpha_split_tmode_pair and adjust for above change.
10460 * config/alpha/alpha.md (movtf_internal): Adjust call to
10461 alpha_split_tfmode_pair and rely on it to swap the operands.
10462 (movti_internal): New insn and post-reload splitter.
10463 (movti): New expander.
10465 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10467 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10470 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10472 * rtlanal.c (global_reg_mentioned_p_1,
10473 global_reg_mentioned_p): Remove.
10474 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10476 * flow.c (initialize_uninitialized_subregs): Make it static.
10477 * rtl.h: Remove the prototype for
10478 initialize_uninitialized_subregs.
10480 * function.c (instantiate_virtual_regs): Make it static.
10481 * function.h: Remove the prototype for
10482 instantiate_virtual_regs.
10484 * regmove.c (regmove_optimize, combine_stack_adjustments):
10486 * rtl.h: Remove the prototypes for regmove_optimize and
10487 combine_stack_adjustments.
10489 2006-01-17 Roger Sayle <roger@eyesopen.com>
10491 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10492 (size_cost): Encode costs in bytes so that a reg-reg addition is
10493 equivalent to COSTS_N_INSNS(1).
10494 (override_options): Use the size_cost.branch_cost as the default
10495 ix86_branch_cost when optimizing for size.
10497 2006-01-18 Ben Elliston <bje@au.ibm.com>
10499 * Makefile.in (D32PBIT_FUNCS): New.
10500 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10501 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10502 D64PBIT_FUNCS and D128PBIT_FUNCS.
10503 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10504 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10506 (decnumber_dep): Define.
10507 * doc/libgcc.texi (Decimal float library routines): New node.
10508 * config/dfp-bit.h, config/dfp-bit.c: New files.
10510 2006-01-18 Ben Elliston <bje@au.ibm.com>
10512 * expr.c (emit_move_change_mode): Always adjust addresses, not
10513 just during reload. Copy replacements only during reload.
10514 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10515 emit_move_via_integer.
10517 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10519 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10520 instead of $(srcdir) and ${srcdir}.
10522 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10525 PR middle-end/11135
10526 * arm.h (struct machine_function): Add pic_reg.
10527 * arm.c (arm_pic_register): Make unsigned.
10528 (arm_override_options): Only set arm_pic_register if
10529 TARGET_SINGLE_PIC_BASE.
10530 (use_return_insn): Only test for a pic register if it is fixed.
10531 (arm_compute_save_reg0_reg12_mask): Likewise.
10532 (thumb_compute_save_reg_mask): Likewise.
10533 (legitimate_pic_operand): Factor out some known invariants.
10534 (legitimize_pic_address): If we don't have a fixed pic register,
10535 then set up a pseudo in the function entry sequence. Handle the
10536 pic base being in a pseudo.
10537 (arm_load_pic_register): Handle the pic register being in a pseudo.
10538 (arm_expand_prologue): Only set up the pic register if it is fixed.
10539 (thumb_expand_prologue): Likewise.
10540 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10541 (pic_load_addr_based_insn): Likewise.
10542 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10545 2006-01-18 Ben Elliston <bje@au.ibm.com>
10547 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10548 decimal float modes for all floating point registers.
10550 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10551 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10553 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10556 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10557 even when the pointer is not NULL.
10559 2006-01-16 Ian Lance Taylor <ian@airs.com>
10561 * common.opt (ftoplevel-reorder): New option.
10562 * cgraph.c (cgraph_asm_nodes): New global variable.
10563 (cgraph_asm_last_node): New static variable.
10564 (cgraph_order): New global variable.
10565 (cgraph_create_node): Set new order field.
10566 (cgraph_varpool_node): Likewise.
10567 (decide_is_variable_needed): Return true if not
10568 flag_toplevel_reorder.
10569 (cgraph_add_asm_node): New function.
10570 * cgraph.h (struct cgraph_node): Add order field.
10571 (struct cgraph_varpool_node): Add order field.
10572 (struct cgraph_asm_node): Define.
10573 (cgraph_asm_nodes, cgraph_order): Declare.
10574 (cgraph_add_asm_node): Declare.
10575 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10577 (cgraph_varpool_assemble_pending_decls): Call it.
10578 (cgraph_output_pending_asms): New static function.
10579 (cgraph_finalize_compilation_unit): Call it.
10580 (struct cgraph_order_sort): Define.
10581 (cgraph_output_in_order): New static function.
10582 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10583 !flag_toplevel_reorder case.
10584 * c-parser.c: Include "cgraph.h".
10585 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10587 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10588 than -fno-unit-at-a-time.
10589 * doc/invoke.texi (Option Summary): Mention
10590 -fno-toplevel-reorder.
10591 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10592 -funit-at-a-time documentation.
10594 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10595 Kazu Hirata <kazu@codesourcery.com>
10597 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10599 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10601 * Makefile.in (FUNCTION_H): New. Use it instead of
10602 function.h throughout the file.
10603 * function.h: Include tree.h.
10605 2006-01-17 Ben Elliston <bje@au.ibm.com>
10607 * recog.c: Separate some functions with whitespace.
10609 2006-01-16 Richard Henderson <rth@redhat.com>
10611 Merge from gomp branch:
10612 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10613 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10614 and rename from struct inline_data. Rename callee* to dst*;
10615 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10616 transform_new_cfg, transform_return_to_modify, and
10617 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10619 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10620 (copy_decl_for_dup): Remove.
10621 * tree-inline.c (struct inline_data): Move to header.
10622 (insert_decl_map): Export.
10623 (remap_decl): Update for member name changes. Use copy_decl hook.
10624 Allow for replacement to be a non-decl. Remove dead code.
10625 (remap_type_1): Check for existing mapping.
10626 (remap_type): Export.
10627 (remap_decls): Update for member name changes.
10628 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10629 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10630 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10631 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10632 (tree_function_versioning, build_duplicate_type): Likewise.
10633 (copy_body_r): Likewise. Export.
10634 (copy_decl_for_dup): Split into ...
10635 (copy_decl_for_dup_finish, copy_decl_to_var,
10636 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10637 (replace_ref_tree, inlining_p): Remove.
10639 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10641 * ifcvt.c (if_convert): Make it static.
10642 * rtl.h: Remove the prototype for if_convert.
10644 * local-alloc.c (local_alloc): Make it static.
10645 * rtl.h: Remove the prototype for local_alloc.
10647 * loop.c (loop_optimize): Make it static.
10648 * cfgloop.h: Remove the prototype for loop_optimize.
10651 2006-01-16 DJ Delorie <dj@redhat.com>
10653 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10656 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10658 * pa.md: Disparage copies between general and floating-point registers
10659 in 32-bit move patterns.
10661 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10664 * Makefile.in (check-%): Depend on site.exp instead of
10665 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10668 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10670 * global.c (global_alloc): Make it static.
10671 * rtl.h: Remove the prototype for global_alloc.
10673 2006-01-16 Richard Guenther <rguenther@suse.de>
10675 * tree-ssa-alias.c (struct used_part): Add write_only field.
10676 (get_or_create_used_part_for): Initialize it to true.
10677 (create_overlap_variables_for): Don't create structure variables
10678 for structures that only are written to.
10679 (find_used_portions): Handle MODIFY_EXPR to track whether a
10680 structure is only written to.
10682 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10684 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10686 * basic-block.h: Remove the prototype for
10687 partition_hot_cold_basic_blocks.
10689 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10691 * cppspec.c (lang_specific_spec_functions): Remove.
10692 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10693 * gcc.h (lang_specific_spec_functions): Remove.
10694 * gccspec.c (lang_specific_spec_functions): Remove.
10696 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10698 * combine.c (record_value_for_reg): Invalidate registers
10700 (record_dead_and_set_regs_1): Likewise, by passing them to
10701 record_value_for_reg.
10702 (record_dead_and_set_regs): Invalidate stores made by a
10703 call. We do not combine across a call, but we still
10704 relied on equivalences.
10706 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10708 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10709 vrp_int_const_binop returning non-constant nodes.
10711 2006-01-16 Paul Brook <paul@codesourcery.com>
10713 * config/m68k/m68k.c (output_move_const_into_data_reg):
10714 Output correct mnemonic for mvz and mvs.
10716 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10718 * rtl-factoring.c: Add sequence abstraction algorithm.
10719 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10720 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10722 (block_has_preserve_label): New function.
10723 * common.opt: Register new pass.
10724 * Makefile.in: Ditto.
10726 * timevar.def: Ditto.
10727 * tree-pass.h: Ditto.
10728 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10729 * rtl.h (make_jump_insn_raw): Add forward decl.
10730 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10732 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10733 Roger Sayle <roger@eyesopen.com>
10735 * fold-const.c (fold_minmax): New static function.
10736 (fold_binary) <MIN_EXPR>: Call it.
10737 <MAX_EXPR>: Likewise.
10738 * stor-layout.c (place_field): Use DECL_SIZE consistently
10739 in the computation of the new record size.
10741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10743 * cse.c (cse_condition_code_reg): Make it static.
10744 * rtl.h: Remove the prototype for cse_condition_code_reg.
10746 * combine.c (combine_instructions): Make it static.
10747 * rtl.h: Remove the prototype for combine_instructions.
10749 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10752 * tree.c (get_file_function_name_long): Concatenate the first global
10753 object name with a string derived from the input filename of the object
10756 2006-01-16 Ben Elliston <bje@au.ibm.com>
10758 * config/i386/winnt-stubs.c: Update FSF address.
10759 * config/xtensa/ieee754-df.S: Ditto.
10760 * config/xtensa/ieee754-sf.S: Ditto.
10762 2006-01-14 Ian Lance Taylor <ian@airs.com>
10764 * ifcvt.c (noce_init_if_info): New static function, broken out of
10765 noce_process_if_block.
10766 (noce_process_if_block): Call noce_init_if_info.
10767 (check_cond_move_block): New static function.
10768 (cond_move_process_if_block): New static function.
10769 (process_if_block): Call cond_move_process_if_block.
10771 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10773 * cselib.c (hash_table): Rename to cselib_hash_table.
10774 (cselib_clear_table, discard_useless_values,
10775 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10776 cselib_init, cselib_finish): Adjust uses of hash_table.
10778 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10780 PR tree-optimization/25485
10781 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10782 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10783 is known to be false and true, respectively.
10785 2006-01-14 Richard Guenther <rguenther@suse.de>
10787 PR tree-optimization/22548
10788 PR tree-optimization/22555
10789 PR tree-optimization/22501
10790 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10791 * params.def (salias-max-array-elements): New parameter.
10792 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10793 * doc/invoke.texi (salias-max-array-elements): Document.
10794 * tree-flow-inline.h (var_can_have_subvars): We also handle
10796 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10798 * tree-ssa-structalias.c (params.h): Include.
10799 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10800 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10801 (get_constraint_for): For ADDR_EXPR operating on something
10802 containing an ARRAY_REF, add all subvars to the solution.
10803 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10804 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10805 for creating MUST_DEFs.
10806 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10808 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10810 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10812 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10813 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10814 number_of_iterations_le): New functions.
10815 (number_of_iterations_special): Removed.
10816 (number_of_iterations_exit): Do not use number_of_iterations_special.
10817 * tree.c (unsigned_type_for): Always return integer type.
10819 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10820 Richard Guenther <rguenther@suse.de>
10822 PR rtl-optimization/24257
10823 * gcse.c (find_moveable_store): Only consider a store movable
10824 when the SET_SRC of the insn can be assigned to a register.
10826 2006-01-14 Ian Lance Taylor <ian@airs.com>
10828 * tree.c (tree_not_class_check_failed): New function.
10829 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10830 (tree_not_class_check_failed): Declare.
10832 2006-01-13 Ian Lance Taylor <ian@airs.com>
10834 * reload1.c (do_output_reload): Add assertion rejecting a
10837 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10839 * combine.c (struct reg_stat): Add new fields truncation_label and
10841 (record_value_for_reg): Reset truncated_to_mode.
10842 (record_truncated_value): New function.
10843 (check_promoted_subreg): Call it. Rename to check_conversions.
10844 (combine_instructions): Rename check_promoted_subreg to
10846 (reg_truncated_to_mode): New function.
10847 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10848 (gen_lowpart_or_truncate): New function.
10849 (force_to_mode): Use it instead of gen_lowpart.
10851 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10853 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10854 VAR is a tag, not its type tag.
10856 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10858 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10859 alternatives to match style of other entries.
10860 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10862 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10864 PR tree-optimization/25771
10865 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10868 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10871 * tree-inline.c (declare_return_variable): If the return variable
10872 was marked as a non gimple complex, set the return slot variable
10873 to be a non gimple comple variable.
10875 2006-01-13 Richard Guenther <rguenther@suse.de>
10877 * builtins.c (expand_builtin_sincos): New function.
10878 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10880 (expand_builtin): Expand sincos using expand_builtin_sincos.
10882 2006-01-12 DJ Delorie <dj@redhat.com>
10884 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10885 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10886 so that constant shifts can be split.
10887 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10888 (m32c_valid_pointer_mode): Make static.
10889 (shift_gen_func_for): New.
10890 (m32c_prepare_shift): Use it. Split large const shifts into
10892 * config/m32c/predicates.md (shiftcount_operand): Allow more
10894 (longshiftcount_operand): New.
10895 * doc/md.texi (Machine Constraints): Document In6.
10897 2006-01-13 Ben Elliston <bje@au.ibm.com>
10899 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10900 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10903 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10905 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10906 to try to avoid clobbering pieces of structures when we know
10907 something about the whole structure.
10908 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10910 2006-01-13 Ben Elliston <bje@au.ibm.com>
10912 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10913 return in memory, as this is no limitation is no longer present.
10915 2006-01-12 DJ Delorie <dj@redhat.com>
10917 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10918 mova with fb, and for fb+0 -> An.
10920 * config/m32c/mov.md (peephole2): Fix enabling logic.
10922 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10923 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10924 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10925 FINI_ARRAY_SECTION_ASM_OP): Define.
10927 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10929 (m32c_legitimize_reload_address): New logic to reload FB to An.
10930 (m32c_output_reg_push): Add newline.
10931 (m32c_output_reg_pop): Likewise.
10933 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10935 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10937 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10939 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10941 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10943 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10946 2006-01-11 Ben Elliston <bje@au.ibm.com>
10948 * rtlanal.c (find_reg_note): Assert insn is not null.
10950 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10952 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10955 2006-01-11 Jeff Law <law@redhat.com>
10957 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10959 (mark_threaded_blocks, register_jump_thread): New functions.
10960 (thread_through_all_blocks): Remove unwanted argument. No
10961 longer rely on e->aux to communicate thread target info.
10962 Call mark_threaded_blocks. Release the threaded_blocks
10963 bitmap and threaded_edges vector when complete.
10964 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10965 (threaded_blocks): Remove.
10966 (tree_ssa_dominator_optimize): Remove initialization and
10967 finalization of threaded_blocks. Simplify call to
10968 thread_through_all_blocks.
10969 (thread_across_edge): Call register_jump_thread rather than
10970 storing thread information into e->aux.
10971 (free_all_edge_infos): Simplify now that e->aux is no longer
10972 used to communicate with thread_through_all_blocks.
10973 * tree-flow.h (thread_through_all_blocks): Update prototype.
10974 (register_jump_thread): Prototype.
10976 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10978 * df-core.c (df_compact_blocks, df_bb_replace): Use
10979 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10981 2006-01-11 Richard Guenther <rguenther@suse.de>
10983 PR tree-optimization/25734
10984 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10985 stop propagation after successful propagation to the LHS.
10987 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10989 * basic-block.h (control_flow_graph): Change the type of
10990 x_basic_block_info to VEC(basic_block,gc) *.
10991 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10993 (SET_BASIC_BLOCK): New.
10994 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10995 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10996 * cfgbuild.c (find_basic_blocks): Likewise.
10997 * cfglayout.c (fixup_reorder_chain): Likewise.
10998 * cfgrtl.c (create_basic_block_structure,
10999 rtl_create_basic_block): Likewise.
11000 * ifcvt.c (find_if_case_1): Likewise.
11001 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11004 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11006 * Makefile.in: Removed rotted odf.c entry.
11008 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11011 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11012 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11013 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11014 output pattern modifier, not %e.
11015 * config/cris/cris.c (cris_op_str): Update comment about pattern
11017 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11018 before falling through into...
11019 <case 'E'>: Redefined from old 'e' case.
11021 2006-01-11 Jan Hubicka <jh@suse.cz>
11024 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11026 2006-01-11 Jan Hubicka <jh@suse.cz>
11028 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11029 * i386.c (x86_decompose_lea): Kill.
11030 (ix86_rtx_costs): Kill.
11032 2006-01-11 Jan Hubicka <jh@suse.cz>
11034 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11035 * cgraph.h (cgraph_node): Add inline_decl.
11036 (cgraph_insert_node_to_hashtable): Declare.
11037 (save_inline_function_body): Declare.
11038 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11040 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11041 (cgraph_function_versioning): Update call of tree_function_versioning.
11042 (save_inline_function_body): New function.
11043 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11044 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11045 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11046 (cgraph_default_inline_p): Likewise.
11047 (cgraph_decide_inlining_incrementally): Likewise.
11048 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11049 (copy_bb): Kill saving; do updating of clones.
11050 (copy_cfg_body): Kill saving.
11051 (initialize_inlined-parameters): Likewise.
11052 (expand_call_inline): Likewise.
11054 (tree_function_versioning): New parameter "update_clones".
11055 (inlining_p): Kill saving.
11056 * tree-inline.h (tree_function_versioning): Update prototype.
11057 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11060 2006-01-11 Ian Lance Taylor <ian@airs.com>
11062 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11063 Allow undoing set of machine mode.
11064 (do_SUBST): Use enums instead of is_int.
11065 (do_SUBST_MODE): New function.
11066 (SUBST_MODE): New macro.
11067 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11068 reg and trying to replace reg_regno_rtx with a new register.
11069 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11070 (simplify_set): Use SUBST_MODE.
11071 (distribute_notes): Remove code that tried to update reg notes
11072 for regno_reg_rtx changes.
11074 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11076 PR tree-optimization/23109
11077 PR tree-optimization/23948
11078 PR tree-optimization/24123
11080 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11081 * tree-cfg.c (single_noncomplex_succ): New.
11082 * tree-flow.h (single_noncomplex_succ): Declare it.
11083 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11084 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11085 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11086 insert_bb, register_division_in, insert_reciprocals,
11087 replace_reciprocal, free_bb): New.
11088 (execute_cse_reciprocals_1): Rewritten.
11089 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11090 Do not commit any edge insertion. Always compute dominators and
11091 create the allocation pool.
11092 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11093 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11094 * targhooks.c (default_min_divistions_for_recip_mul): New.
11095 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11096 * passes.c (init_optimization_passes): Run recip after tree loop
11098 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11100 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11101 Kenneth Zadeck <zadeck@naturalbridge.com>
11103 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11104 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11105 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11106 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11107 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11108 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11109 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11110 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11111 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11112 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11113 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11114 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11115 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11116 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11117 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11118 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11119 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11120 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11121 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11122 DF_SCAN_POST_ALLOC): New macros.
11123 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11124 df_free_bb_function, df_local_compute_function, df_init_function,
11125 df_dataflow_function, df_confluence_function_0,
11126 df_confluence_function_n, df_transfer_function,
11127 df_finalizer_function, df_free_function, df_dump_problem_function,
11128 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11129 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11130 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11131 df_urec_bb_info, ) New types.
11132 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11134 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11135 df_analyze_simple_change_some_blocks,
11136 df_analyze_simple_change_one_block, df_compact_blocks,
11137 df_bb_replace, df_bb_regno_last_use_find,
11138 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11139 df_insn_regno_def_p, df_find_def, df_find_use,
11140 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11141 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11142 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11143 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11144 debug_df_chain, df_get_dependent_problem, df_chain_create,
11145 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11146 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11147 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11148 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11149 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11150 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11151 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11152 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11153 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11154 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11155 df_reorganize_refs, df_set_state, df_hard_reg_init,
11156 df_read_modify_subreg_p) New public functions.
11157 * df-core.c: The core dataflow solver and glue routines for rtl
11159 (df_init, df_add_problem, df_set_blocks, df_finish,
11160 df_hybrid_search_forward, df_hybrid_search_backward,
11161 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11162 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11163 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11164 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11165 df_reg_defined, df_find_use, df_reg_used, df_dump,
11166 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11167 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11168 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11169 debug_df_useno, reset_df_after_reload): New functions.
11170 * df-scan.c: The scanning fuctions, once in df.c, completely
11171 rewritten so that they now fully model the functionality of
11172 register usage at the backend.
11173 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11174 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11175 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11176 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11177 df_get_artificial_defs, df_get_artificial_uses,
11178 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11179 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11180 df_refs_delete, df_reorganize_refs, df_set_state,
11181 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11182 df_def_record_1, df_defs_record, df_uses_record,
11183 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11184 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11185 df_record_exit_block_uses, df_hard_reg_init): New functions.
11187 * df-problems.c: Seven concrete dataflow problems that use the
11188 scanning in df-scan.c and are solved by the engine in df-core.c.
11189 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11190 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11191 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11192 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11193 df_ru_free_bb_info, df_ru_alloc,
11194 df_ru_bb_local_compute_process_def,
11195 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11196 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11197 df_ru_transfer_function, df_ru_free, df_ru_dump,
11198 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11199 df_rd_free_bb_info, df_rd_alloc,
11200 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11201 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11202 df_rd_transfer_function, df_rd_free, df_rd_dump,
11203 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11204 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11205 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11206 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11207 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11208 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11209 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11210 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11211 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11212 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11213 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11214 df_urec_mark_reg_use_for_earlyclobber,
11215 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11216 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11217 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11218 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11219 df_chain_create_bb_process_use, df_chain_create_bb,
11220 df_chain_finalize, df_chain_free, df_chains_dump,
11221 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11222 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11223 df_reg_lifetime): New functions.
11224 * df.c: Deleted file.
11225 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11226 consistent with new df api.
11227 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11228 rest_of_handle_sms): Ditto.
11229 * web.c (unionfind_union, union_defs, entry_register, web_main):
11231 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11232 invariant_expr_equal_p, find_defs, check_dependencies,
11233 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11234 free_inv_motion_data, move_loop_invariants): Ditto.
11235 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11236 Update dependencies.
11237 (odf.c): Added defective entry that was deleted later in day.
11238 * sched-deps.c (sched_analyze_1): Ditto.
11240 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11242 * tree-ssa-operands.c (get_expr_operands): Record addressable
11243 variables directly. Do not call add_stmt_operands for CONST_DECLs
11245 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11246 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11248 2006-01-11 Ben Elliston <bje@au.ibm.com>
11250 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11251 function returns true in the positive case.
11253 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11256 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11257 for SI, DI, SF and DF modes. Add alternatives to copy between
11258 general and floating point registers to the 32-bit patterns.
11259 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11260 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11261 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11262 generating 64-bit code.
11263 * config/pa/pa.c (output_move_double): Handle copies between general
11264 and floating registers.
11266 2006-01-10 Stuart Hastings <stuart@apple.com>
11268 * config/i386/i386.md (set_got): Update.
11269 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11270 (builtin_setjmp_receiver): Mach-O support.
11271 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11272 (GOT_SYMBOL_NAME): Define.
11273 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11274 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11275 * config/i386/i386.c (override_options): Revise for Darwin.
11276 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11277 support. (darwin_x86_file_end): New. (output_set_got): Add label
11278 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11279 * config/i386/i386-protos.h (output_set_got): Likewise.
11280 * config/darwin.c (machopic_legitimize_pic_address): Update
11283 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11285 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11286 when MODE isn't BLKmode.
11288 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11290 PR rtl-optimization/25367
11291 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11293 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11296 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11297 for a negative bound.
11299 2006-01-10 Richard Guenther <rguenther@suse.de>
11301 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11302 Never override with anything constraint.
11304 2006-01-10 Jan Beulich <jbeulich@novell.com>
11306 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11307 256 bits when optimize_size.
11309 2006-01-10 Jan Beulich <jbeulich@novell.com>
11311 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11313 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11314 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11317 2006-01-10 Ben Elliston <bje@au.ibm.com>
11319 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11321 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11322 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11323 (USE_FP_FOR_ARG): Reject decimal float modes.
11324 (function_arg_advance): Likewise.
11325 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11326 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11327 point types in AltiVec vectors.
11328 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11329 (rs6000_libcall_value): Likewise.
11331 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11333 * config/xtensa/ieee754-df.S: New file.
11334 * config/xtensa/ieee754-sf.S: New file.
11335 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11336 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11337 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11339 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11341 * config/sh/predicates.md (binary_float_operator,
11342 binary_logical_operator, commutative_float_operator,
11343 equality_comparison_operator, greater_comparison_operator,
11344 less_comparison_operator, logical_operator,
11345 noncommutative_float_operator, shift_operator,
11346 symbol_ref_operand, unary_float_operator): Remove redundant
11349 2006-01-09 Jeff Law <law@redhat.com>
11351 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11352 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11353 now unused arguments. Callers updated.
11354 (eliminate_redundant_computations): Remove now unused arguments,
11356 (local_fold): Remove, no longer used.
11357 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11359 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11360 (simplify_cond): New function.
11361 (forward_propagate_into_cond): Call simplify_cond.
11363 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11365 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11366 (*vec_extractv2di_1_sse): New.
11368 2006-01-09 Ben Elliston <bje@au.ibm.com>
11370 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11372 2006-01-08 Richard Guenther <rguenther@suse.de>
11374 * tree-ssa-structalias.c (get_constraint_for): Remove
11375 anyoffset argument.
11376 (get_constraint_for_component_ref): Likewise.
11377 (do_deref): Likewise.
11378 (get_constraint_for): Likewise.
11379 (do_structure_copy): Likewise.
11380 (handle_ptr_arith): Likewise.
11381 (find_func_aliases): Likewise. Remove unused need_anyoffset
11384 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11385 Kaz Kojima <kkojima@gcc.gnu.org>
11387 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11388 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11389 (EXTRA_CONSTRAINT_C16): Remove.
11390 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11391 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11392 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11393 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11394 constants of SHmedia. Handle nested constant expressions of
11396 (andcosts): Fix the costs for SHmedia constants.
11397 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11398 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11399 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11400 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11401 (movv4hi_i, movv2si_i): Likewise.
11402 (movsi_const): Adjust the second operand of ior so to match with
11403 the Csu constraint.
11404 (movdi_const, movdi_const_32bit): Likewise.
11405 (movdi_const_16bit+1): Don't sign-extend LOW.
11406 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11408 (*double_shori): Fix the split condition. Use GEN_INT instead
11409 of get_int_mode calls. Mask lower 16-bit of the argument of
11411 (sym2GOTPLT): Remove.
11412 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11414 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11415 instead of EXTRA_CONSTRAINT_C16.
11417 2006-01-07 Ian Lance Taylor <ian@airs.com>
11418 David Edelsohn <edelsohn@gnu.org>
11420 PR rtl-optimization/25662
11421 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11422 for constant operands instead of simplify_gen_binary.
11423 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11424 after trying simplify_binary_operation
11426 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11428 * tree.c (iterative_hash_expr): Hash decls based on UID.
11430 2006-01-06 Eric Christopher <echristo@apple.com>
11432 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11433 (TARGET_UNWIND_EMIT): Fix spelling.
11434 * target.h (gcc_target): Add except_table_label.
11435 * except.c (output_function_exception_table): Use.
11436 * varasm.c (default_emit_except_table_label): New.
11437 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11439 (asm_out): Add here.
11440 * output.h (default_emit_except_table_label): Prototype.
11441 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11442 * config/darwin.c (darwin_emit_except_table_label): Define.
11443 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11445 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11447 PR tree-optimization/18527
11448 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11449 number_of_iterations_special, number_of_iterations_exit):
11450 Move base and step of an iv to a single structure. Add
11451 no_overflow flag, and use it in # of iterations analysis.
11452 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11453 folded_casts argument.
11454 (simple_iv): Pass base and step in a structure. Set no_overflow
11456 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11457 Evaluate expensiveness of computing # of iterations instead of
11458 the final expression.
11459 * tree-scalar-evolution.h (affine_iv): New structure.
11460 (simple_iv): Declaration changed.
11461 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11462 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11463 find_givs_in_stmt): Changed due to simple_iv change.
11465 2006-01-06 Jeff Law <law@redhat.com>
11468 * tree-cfg.c (bsi_replace): Rename final argument from
11469 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11470 change (stmt -> orig_stmt).
11471 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11472 (bsi_remove): Add new argument. Remove EH information
11474 (verify_eh_throw_table_statements): New function.
11475 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11477 * tree-optimize.c (execute_free_cfg_annotations): Verify
11478 the EH throw statement table after removing annotations.
11479 * except.h (verify_eh_throw_table_statements): Prototype.
11480 * tree-flow.h (bsi_remove): Update prototype.
11481 * tree-vrp.c (remove_range_assertions): Add new argument to
11483 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11484 * tree-complex.c (expand_complex_div_wide): Likewise.
11485 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11486 * tree-tailcall.c (eliminate_tailcall): Likewise.
11487 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11488 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11489 * tree-nrv.c (tree_nrv): Likewise.
11490 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11491 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11492 (combine_blocks): Likewise.
11493 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11494 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11495 (cleanup_control_flow): Likewise.
11496 (remove_forwarder_block): Likewise.
11497 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11498 * tree-sra.c (sra_replace): Likewise.
11499 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11500 (forward_propagate_single_use_vars): Likewise.
11501 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11502 * tree-inline.c (expand_call_inline): Likewise.
11503 * tree-vect-transform.c (vect_transform_loop): Likewise.
11504 * tree-outof-ssa.c (rewrite_trees): Likewise.
11505 * tree-cfg.c (make_goto_expr_edges): Likewise.
11506 (cleanup_dead_labels): Likewise.
11507 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11508 (bsi_move_before, bsi_move_after): Likewise.
11509 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11510 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11512 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11515 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11517 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11518 on non gimple variables. Also add checks at the top for decls and
11520 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11522 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11523 and IMAGPART_EXPR for creating MUST_DEFs.
11524 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11525 and NAME_MEMORY_TAG separately from the DECLs.
11527 2006-01-06 Richard Guenther <rguenther@suse.de>
11529 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11530 annotation, if necessary.
11531 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11532 redundant calls to update_stmt.
11533 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11536 2006-01-05 Richard Henderson <rth@redhat.com>
11538 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11540 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11542 * c-typeck.c: Update copyright date.
11544 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11546 * c-typeck.c (build_c_cast): Always warn when casting
11547 from a pointer to an integer of different size, even if
11548 the node was constant.
11550 2006-01-05 Richard Guenther <rguenther@suse.de>
11552 PR tree-optimization/22555
11553 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11554 if one structure field is an array.
11555 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11556 operands even if we found a subvar, but ignore VOPs in this
11558 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11560 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11562 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11564 PR middle-end/24998
11565 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11567 2006-01-05 Richard Guenther <rguenther@suse.de>
11568 Diego Novillo <dnovillo@redhat.com>
11570 * tree-pass.h (TODO_remove_unused_locals): Define.
11571 * gimple-low.c (expand_var_p, remove_useless_vars,
11572 pass_remove_useless_vars): Remove. Update all users.
11573 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11574 (remove_unused_locals): New function.
11575 * tree-flow.h (remove_unused_locals): Declare.
11576 * passes.c (execute_todo): Call remove_unused_locals if
11577 TODO_remove_unused_locals is set.
11578 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11579 * tree-ssa-dce.c (pass_dce): Likewise.
11580 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11582 2006-01-05 Richard Guenther <rguenther@suse.de>
11584 * tree-flow.h (struct fieldoff): Decompose field to
11585 type, size and decl.
11586 * tree-ssa-alias.c (create_sft): Take type as parameter.
11587 (create_overlap_variables_for): Store type, size and decl
11588 in the fieldoff structure.
11589 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11590 of struct fieldoff.
11591 (push_fields_onto_fieldstack): Likewise.
11592 (create_variable_info_for): Likewise. Use offset for the
11593 SFT name if the decl is not available.
11595 2006-01-04 Paul Brook <paul@codesourcery.com>
11597 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11599 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11601 * lambda-code.c (can_put_in_inner_loop): Relax
11603 (can_put_after_inner_loop): New function.
11604 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11605 (perfect_nestify): Change to make copies and modify uses.
11607 2006-01-04 Richard Henderson <rth@redhat.com>
11609 Merge from gomp branch:
11610 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11611 via integer constant.
11612 (pragma_lex): Remove.
11613 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11614 rather than parsing it.
11615 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11616 handle_pragma_extern_prefix): Add %< %> quotes.
11617 (registered_pragmas): New.
11618 (c_register_pragma_1): New.
11619 (c_register_pragma): Use it.
11620 (c_register_pragma_with_expansion): Likewise.
11621 (c_invoke_pragma_handler): New.
11622 (init_pragma): Use cpp_register_deferred_pragma directly for
11624 * c-pragma.h (enum pragma_kind): New.
11625 (pragma_handler): New.
11626 (c_invoke_pragma_handler): Declare.
11627 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11629 * c-common.h (c_common_pch_pragma): Update decl.
11630 * Makefile.in (c-parser.o): Update dependencies.
11631 (GTFILES): Add c-pragma.h.
11632 * c-parser.c (struct c_token): Add pragma_kind.
11633 (struct c_parser): Add in_pragma.
11634 (c_lex_one_token): Always initialize keyword and pragma_kind.
11635 Extract data for CPP_PRAGMA.
11636 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11637 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11638 Don't allow CPP_PRAGMA_EOL if in_pragma.
11639 (c_parser_consume_pragma): New.
11640 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11641 (c_parser_skip_to_end_of_parameter): Likewise.
11642 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11643 (c_parser_skip_to_pragma_eol): New.
11644 (c_parser_external_declaration): Handle CPP_PRAGMA.
11645 (c_parser_compound_statement_nostart): Likewise.
11646 (c_parser_statement_after_labels): Likewise.
11647 (c_parser_pragma): New.
11648 (pragma_lex): Likewise.
11649 (c_parser_pragma_pch_preprocess): New.
11650 (c_parser_new): Merge into ...
11651 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11653 2006-01-04 Jeff Law <law@redhat.com>
11656 * tree-cfg.c (bsi_replace): Remove the original statement
11657 from the EH throw statement table.
11659 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11661 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11662 make the prototype extern "C" and add throw ().
11665 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11666 and pos non-negative and pos + len <= 32.
11667 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11668 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11669 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11672 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11673 as well as sizes not multiple of component size.
11676 * function.c (instantiate_expr): New function.
11677 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11678 walk its DECL_VALUE_EXPR with instantiate_expr.
11680 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11681 DW_OP_deref{,_size} if address isn't going to be added.
11683 2006-01-04 Ben Elliston <bje@au.ibm.com>
11685 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11686 * config/fp-bit.c: Likewise.
11688 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11690 * dominance.c: Add comment about why we use DFS numbering
11693 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11694 Richard Henderson <rth@redhat.com>
11696 Merge from gomp-branch:
11697 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11698 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11700 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11702 PR rtl-optimization/25578
11703 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11704 pass a parameter to simplify_shift_const if changing ASHIFTRT
11707 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11709 * builtins.c (get_builtin_sync_mem): New function.
11710 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11711 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11712 Call get_builtin_sync_mem to generate mem rtx.
11714 2006-01-03 Richard Guenther <rguenther@suse.de>
11717 * stmt.c (add_case_node): Make sure to clear overflow flags
11720 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11722 Merge from gomp-branch.
11723 * config/sparc/sync.md: New file.
11724 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11725 UNSPECV_LDSTUB): New constants.
11726 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11727 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11728 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11731 2006-01-03 Roger Sayle <roger@eyesopen.com>
11733 * combine.c (reg_subword_p): New predicate to test whether the
11734 destination of a set refers to a subword/piece of a register.
11735 (try_combine): Generalize the code to merge the setting of a
11736 pseudo to a constant followed by a set of a subword of that
11737 register to a constant.
11739 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11741 * basic-block.h (control_flow_graph): Change the type of
11742 x_label_to_block_map to VEC(basic_block,gc) *.
11743 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11744 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11746 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11747 VEC(basic_block,heap) *.
11748 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11749 ssa_prop_fini): Adjust the uses of cfg_blocks.
11751 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11753 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11755 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11756 hashing trees instead of a pointer hash.
11757 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11758 compare for MEM_EXPR.
11760 PR rtl-optimization/25130
11761 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11762 when comparing MEMs for GCSE
11764 2006-01-03 Ben Elliston <bje@au.ibm.com>
11766 * targhooks.h (default_decimal_float_supported_p): Declare.
11767 * targhooks.c (default_decimal_float_supported_p): Define.
11768 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11769 `default_decimal_float_supported_p'.
11770 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11772 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11774 * combine.c (apply_distributive_law <SUBREG>): Check
11775 TRULY_NOOP_TRUNCATION.
11777 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11779 * dwarf2out.c (have_switched_text_section): Delete.
11780 (have_multiple_function_sections): New.
11781 (have_location_lists): Make 'bool'.
11782 (add_AT_loc_list): Use 'true' not '1'.
11783 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11784 (output_loc_list): Use have_multiple_function_sections.
11785 (output_ranges): Likewise.
11786 (dwarf2out_begin_function): Set have_multiple_function_sections if
11788 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11789 Check function_section rather than DECL_SECTION_NAME.
11790 (dwarf2out_finish): Use have_multiple_function_sections.
11791 Don't clear have_location_lists.
11793 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11794 Jan Hubicka <jh@suse.cz>
11796 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11797 case of conditional jump jumping to the next instruction.
11798 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11799 cases of conditional jump jumping to the next instruction.
11801 2006-01-02 Jan Hubicka <jh@suse.cz>
11803 * i386.c (*_cost): Add COSTS_N_INSNS.
11804 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11806 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11809 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11811 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11813 * config/arm/arm.c (all_fpus): Fix comment typo.
11814 * config/darwin.c: Likewise.
11815 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11816 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11817 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11819 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11821 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11822 (rs6000_split_compare_and_swapqhi): New.
11823 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11824 (sync_compare_and_swapqhi_internal): New.
11825 * config/rs6000/rs6000-protos.h: Declare.