1 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4 big-endian paradoxical subregs.
5 * var-tracking.c (struct micro_operation_def): Document that,
6 for modify micro operations, insn is the subsequent instruction.
7 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8 (var_reg_set, var_mem_set): ... new functions.
9 (add_stores): Record subsequent insn.
10 (compute_bb_dataflow): Use new functions for MO_USE.
11 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
12 notes after the insn, and modify notes before the insn known
13 to be the subsequent one.
14 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
16 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
19 * config/i386/i386.c (ix86_expand_builtin): Use
20 gen_sse3_monitor64 for TARGET_64BIT.
22 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
24 PR rtl-optimization/26375
25 PR rtl-optimization/26855
26 * df-problems (df_ru_bb_local_compute_process_def): Removed update
28 (df_ru_bb_local_compute): Reversed statements and removed bogus
29 comment explaining why they should be in wrong order.
30 (df_ru_dump, df_rd_dump): Enhanced debug info.
31 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
33 * ddg.c (add_deps_for_def): Converted use of reaching defs to
34 reaching uses and fixed space problem.
36 2006-05-23 Jan Hubicka <jh@suse.cz>
38 * cgraphunit.c (decide_is_function_needed): Also nested functions
39 and functions declared inline can be optimized out at -O0.
41 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
43 * doc/install.texi (Configuration): Remove reference to CrossGCC
44 FAQ which was hijacked.
47 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
50 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
51 ix86_compare_emitted is non-NULL.
53 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
56 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
59 2006-05-22 Richard Sandiford <richard@codesourcery.com>
61 PR rtl-optimization/25514
62 * combine.c (replaced_rhs_insn): New variable.
63 (combine_instructions): Set replaced_rhs_insn when trying to replace
64 a SET_SRC with a REG_EQUAL note.
65 (distribute_notes): Use replaced_rhs_insn when determining the live
66 range of a REG_DEAD register.
68 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
69 Anatoly Sokolov <aesok@post.ru>
71 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
72 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
73 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
74 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
75 atmega3290, atmega649, atmega6490, atmega406, atmega640,
76 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
77 at90usb647, at90usb1286 and at90usb1287 devices.
78 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
79 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
81 2006-05-22 Richard Sandiford <richard@codesourcery.com>
83 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
85 2006-05-22 Richard Guenther <rguenther@suse.de>
88 2006-01-31 Richard Guenther <rguenther@suse.de>
89 Paolo Bonzini <bonzini@gnu.org>
91 * doc/install.texi (--disable-libgcc-math): Document.
93 2006-05-22 Richard Guenther <rguenther@suse.de>
96 2006-01-31 Richard Guenther <rguenther@suse.de>
98 * doc/invoke.texi (-msselibm): Document.
99 * target.h (expand_library_builtin): New target hook.
100 * builtins.c (expand_builtin): Use expand_library_builtin.
101 (default_expand_library_builtin): New function.
102 * gcc.c (LINK_GCC_MATH_SPEC): Define.
103 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
104 (link_gcc_math_spec): Declare.
105 (static_specs): Add link_gcc_math_spec.
106 * expr.h (default_expand_library_builtin): Declare.
107 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
108 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
109 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
110 * config/i386/i386.opt (msselibm): New target option.
111 * config/i386/i386.c (ix86_builtin_function_variants): New array.
112 (ix86_init_sse_abi_builtins): New function.
113 (ix86_expand_library_builtin): Likewise.
114 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
115 (override_options): Handle error conditions wrt -msselibm.
116 (ix86_builtins): Add function codes for SSE2 ABI builtins.
117 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
118 * doc/extend.texi (__builtin_sse2_*): Document new target specific
121 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
124 * c-common.c (self_promoting_args_p): Skip erroneous args.
127 * c-decl.c (finish_struct): Skip erroneous fields.
129 2006-05-22 Nick Clifton <nickc@redhat.com>
131 * config/cris/cris.opt (march): Remove VarExists attribute.
132 (max-stackframe=): Likewise.
134 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
136 * doc/rtl.texi: Fix a typo.
137 * see.c: Fix comment typos.
139 * tree-ssa-structalias.h (alias_info): Remove num_references.
141 2006-05-21 Mike Stump <mrs@apple.com>
143 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
145 (darwin_pragma_options): Use BAD instead.
146 (darwin_pragma_unused): Likewise.
147 (darwin_pragma_ms_struct): Likewise.
149 2006-05-21 David Edelsohn <edelsohn@gnu.org>
151 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
153 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
155 PR rtl-optimization/27671
156 * simplify-rtx.c (simplify_relational_operation_1): Fix
157 simplifications of (eq/ne (xor x y) y) and
160 PR tree-optimization/26622.
161 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
164 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
166 * tree-cfg.c: Prune whitespace.
167 (debug_tree_cfg): Point to correct header containing the
170 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
173 * cgraphunit.c (verify_cgraph_node): Typo in error message.
175 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
178 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
179 or sorry count is non zero.
181 2006-05-20 Andreas Schwab <schwab@suse.de>
183 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
185 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
186 Kenneth Zadeck <zadeck@naturalbridge.com>
188 PR rtl-optimization/26855
190 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
192 (df_scan_alloc): Added code to properly handle multiword hard
193 registers and add all_blocks parameter.
194 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
195 code to properly handle multiword hard registers.
196 (df_rescan_blocks): Added code to remove deleted blocks from
198 (df_ref_create_structure, df_ref_record): Added code to properly
200 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
201 and set DF_REF_PARTIAL.
202 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
203 (df_uses_record): Added DF_REF_PARTIAL for subreg.
204 (df_scan_add_problem): Added flags parameter.
205 (df_ref_create_structure): Changed switching structure.
206 (df_bb_refs_record): Fixed case where duplicate artificial refs
207 were created. Changed location of flags.
208 (df_record_entry_block_defs): Added code to make stack pointer
209 live in entry block. Refined cases where frame pointer is needed.
210 Changed location of flags.
211 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
212 (df_set_state): Removed function.
213 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
214 df_insn_create_insn_record, df_insn_refs_delete,
215 df_ref_create_structure): Formatting changes.
216 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
217 df_delete_basic_block): New function.
218 (df_init): Changed location of flags.
219 (df_add_problem): Added flags parameter and the way flags are
221 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
222 debug_df_chain): Improved debugging output.
223 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
224 (df_refs_chain_dump): Removed df parameter.
225 (df_iterative_dataflow): Added consistency check.
226 (df_prune_to_subcfg): Made public.
227 (df_analyze_problem): Added blocks_to_init parameter and made
229 (df_ref_record, df_bb_refs_record, df_mark_reg,
230 df_record_exit_block_uses): Whitespace changes.
231 (df_dump): Whitespace changes.
232 * df.h: Some reordering to remove forward references.
233 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
234 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
235 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
236 (dataflow.flags): New field.
237 (df.flag): Deleted field.
238 (df_alloc_function): Added additional bitmap parameter.
239 (df_dependent_problem_function): New type.
240 (df_problem.changeable_flags): New field.
241 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
242 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
243 (df_mw_hardreg): New struct.
244 (DF_INSN_UID_MWS): New macro.
245 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
247 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
248 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
249 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
250 (df_set_state): Removed function.
251 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
252 * df-problems.c (df_chain_dump): Removed df parameter.
253 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
254 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
256 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
257 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
258 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
259 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
260 DF_REF_MUST_CLOBBER cases.
261 (df_ru_bb_local_compute_process_def,
262 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
263 df_lr_bb_local_compute, df_ur_bb_local_compute,
264 df_chain_create_bb): Made subreg aware.
265 (df_ru_bb_local_compute, df_rd_bb_local_compute,
266 df_lr_bb_local_compute, df_lr_bb_local_compute,
267 df_chain_create_bb): Cleanup to use proper macros.
268 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
269 code to fixup bitvectors.
270 (df_ri_alloc): Cleared lifetime.
271 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
272 df_create_unused_note): New function.
273 (df_ri_bb_compute, df_ri_compute): Added code to create/update
274 REG_DEAD and REG_UNUSED notes as well as register information.
275 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
276 df_chains_dump): Fixed crash if problem was never run.
277 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
278 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
279 df_ri_add_problem): Processes flags in uniform manner.
280 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
281 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
282 df_rd_dump, df_urec_free_bb_info): Formatting changes.
283 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
284 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
285 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
286 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
287 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
288 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
289 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
290 * see.c (see_initialize_data): Ditto.
291 * final.c (rest_of_clean_state) Added regstack_completed.
292 * rtl.h (regstack_completed): Ditto.
293 * reg-stack.c (regstack_completed): Ditto.
295 2006-05-19 Mike Stump <mrs@apple.com>
297 * c-tree.h (default_conversion): Remove.
298 * c-common.h (default_conversion): Add.
300 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
302 * tree-vrp.c (valid_value_p): New function.
303 (adjust_range_with_scev): Fail if the value of bound is not
306 2006-05-19 Richard Sandiford <richard@codesourcery.com>
308 * config/mips/linux-unwind.h: Include <asm/unistd.h>
309 (mips_fallback_frame_state): Use syscall numbers to determine
310 the appropriate li instruction for the current ABI. Only use
311 __NR_sigreturn for o32.
313 2006-05-19 Nicolas Setton <setton@adacore.com>
315 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
316 * langhooks.c (lhd_dwarf_name): New function.
317 * langhooks-def.h (lhd_dwarf_name): Declare.
318 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
319 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
320 * ada/misc.c (gnat_dwarf_name): New function.
321 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
323 2006-05-19 Richard Sandiford <richard@codesourcery.com>
325 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
327 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
328 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
329 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
330 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
331 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
332 determine the size of Wtype, etc.
333 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
334 (swfloatfuncs): New variable.
335 (dwfloatfuncs): Likewise.
336 (lib2funcs): Remove floating-point conversion functions from
337 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
338 the set of conversion routines needed. Allow entries to specify
339 an object name, filename and word size. Update users accordingly.
340 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
341 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
345 2006-02-08 Roger Sayle <roger@eyesopen.com>
348 * config/fixtfdi.c: New libgcc source file.
349 * config/fixunstfdi.c: New source file.
350 * config/floatditf.c: New source file.
351 * config/floatunditf.c: New souce file.
352 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
353 files above instead of config/mips/_tilib.c.
354 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
356 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
358 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
359 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
361 2006-05-18 Mike Stump <mrs@apple.com>
363 Fix up vla, vm and [*] sematics.
369 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
370 (c_vla_unspec_p): Add.
372 * c-decl.c (struct c_scope): Add had_vla_unspec.
373 (build_array_declarator): Add support for [*].
374 (grokdeclarator): Likewise.
375 (grokparms): Likewise.
376 (get_parm_info): Likewise.
377 * c-objc-common.c (c_vla_unspec_p): Likewise.
378 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
379 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
380 typeof when argument is a variably modified type not inside sizeof or alignof.
381 (c_parser_direct_declarator_inner): Propagate errors.
382 (c_parser_sizeof_expression): Add support for [*].
383 (c_parser_parms_declarator): Initialize had_vla_unspec.
384 (c_parser_parms_list_declarator): Likewise.
385 * c-typeck.c (c_vla_type_p): Add.
386 (composite_type): Add support for vla compositing.
387 (comptypes_internal): Add support for vla compatibility.
388 (c_expr_sizeof_expr): Evaluate vla arguments.
389 * tree.c (variably_modified_type_p): Update comment for [*].
391 2006-05-18 Michael Matz <matz@suse.de>
394 * config.host: Make assignments to host_xmake_file cumulative.
395 * config.host (*-darwin*): Test $host, not $target.
397 2006-05-12 Stuart Hastings <stuart@apple.com>
399 * config/i386/i386.opt (-mstackrealign): New flag.
400 * config/i386/i386.c (force_align_arg_pointer): New attribute.
401 (ix86_handle_cconv_attribute): Emit error when
402 force_align_arg_pointer attribute collides with too many regparms.
403 (ix86_function_regparm): Limit regparms when used with
404 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
405 Support stack-realigning prologue in non-main functions. Emit
406 warning for nested functions under -mstackrealign, emit error for
407 nested functions with force_align_arg_pointer attribute.
408 * doc/extend.texi (force_align_arg_pointer): Document it.
409 * doc/invoke.texi (-mstackrealign): Document it.
411 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
413 PR rtl-optimization/27477
414 * combine.c (try_combine): Don't split a parallel consisting
415 of two sets into two individual sets if both sets reference
418 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
420 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
421 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
423 * doc/options.texi (VarExists): Updated.
425 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
427 * unwind-dw2.c: Add declarations for uw_update_context and
429 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
430 detected, advance frame state and context once to skip over stub.
432 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
436 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
437 Call rewrite_into_loop_closed_ssa only when something changed.
438 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
439 * lambda-code.c (can_convert_to_perfect_nest): Declared.
440 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
441 Test for perfect_nest_p here. Fix formating.
442 (replace_uses_equiv_to_x_with_y): Fix formating.
443 (stmt_uses_op): Removed.
444 (can_convert_to_perfect_nest): Removed loopivs parameter.
445 Complete the test by checking the scalar dependences.
446 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
449 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
452 From Dan Kegel <dank@kegel.com>:
453 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
455 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
457 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
458 if the element type is variably modified without recursing.
460 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
463 * tree-loop-linear.c (try_interchange_loops): Test for
466 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
468 PR tree-optimization/27548
469 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
470 range of ssa names that appear on abnormal edges.
471 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
472 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
474 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
477 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
479 2006-05-17 Jakub Jelinek <jakub@redhat.com>
482 * tree.h (OMP_PARALLEL_COMBINED): Define.
483 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
484 (new_omp_context): Add is_combined_parallel argument.
485 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
486 new_omp_context caller.
487 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
488 Adjust gimplify_scan_omp_clauses callers.
489 (omp_is_private): Issue errors if iteration variable is firstprivate
490 or reduction in the current context.
491 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
492 on combined parallel workshare constructs.
494 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
496 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
497 (gcc-options.o): New rule.
499 * optc-gen.awk: Protect variables for gcc-options.o with
500 #ifdef GCC_DRIVER/#endif.
502 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
504 Fix PR tree-optimization/27373
505 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
506 (forward_propagate_addr_expr): Update call.
508 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
510 * doc/options.texi: Move the Negative option.
512 2006-05-16 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/22303
515 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
517 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
518 ccp_fold did not simplify the statement.
520 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
523 * Makefile.in (GCC_OBJS): New.
524 (OBJS-common): Add opts-common.o.
525 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
526 (cpp$(exeext)): Likewise.
527 (gcc.o): Also depend on opts.h.
528 (opts-common.o): New.
530 * common.opt (gcoff): Add Negative(gdwarf-2).
531 (gdwarf-2): Add Negative(gstabs).
532 (gstabs): Add Negative(gstabs+).
533 (gstabs+): Add Negative(gvms).
534 (gvms): Add Negative(gxcoff).
535 (gxcoff): Add Negative(gxcoff+).
536 (gxcoff+): Add Negative(gcoff).
537 * config/i386/i386.opt (m32): Add Negative(m64).
538 (m64): Add Negative(m32).
540 * doc/options.texi: Document the Negative option.
542 * gcc.c: Include "opts.h".
543 (main): Call prune_options after expandargv.
545 * optc-gen.awk: Generate common declarations for all flag
546 variables in options.c. Output the neg_index field.
548 * opts.c (find_opt): Moved to ...
549 * opts-common.c: Here. New file.
551 * opts.h (cl_option): Add a neg_index field.
553 (prune_options): Likewise.
555 2006-05-16 Jakub Jelinek <jakub@redhat.com>
558 * omp-low.c (expand_omp_parallel): Don't assert
559 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
560 instead search for it.
563 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
566 2006-05-16 Andreas Schwab <schwab@suse.de>
568 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
571 2006-05-15 Roger Sayle <roger@eyesopen.com>
574 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
575 integer constants other than zero are only legitimate on TARGET_64BIT.
576 <CONST_VECTOR> Only zero vectors are legitimate.
577 (ix86_cannot_force_const_mem): Integral and vector constants can
578 always be put in the constant pool.
580 2006-05-16 DJ Delorie <dj@redhat.com>
582 * crtstuff.c (__dso_handle): Set section from
583 TARGET_LBIGCC_SDATA_SECTION if defined.
584 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
585 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
587 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
590 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
593 2006-05-16 Ben Elliston <bje@au.ibm.com>
595 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
597 2006-05-15 Per Bothner <per@bothner.com>
599 * tree.c: (last_annotated_node): Use sources_locus typedef.
600 This permits bootstrapping with --enable-mapped-location.
602 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
604 PR tree-optimization/26830
605 * tree-into-ssa.c (struct ssa_name_info): Add age field.
606 (info_for_ssa_name, current_info_for_ssa_name_age,
607 blocks_to_update): New variables.
608 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
609 (clear_ssa_name_info, initialize_flags_in_bb,
610 mark_block_for_update): New functions.
611 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
612 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
613 prepare_def_site_for): Use mark_block_for_update.
614 (mark_def_interesting): Assert that the processed block is marked in
615 blocks_to_update. Do not take blocks argument.
616 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
618 (rewrite_update_init_block, rewrite_update_stmt): Only process
619 blocks with statements to rewrite.
620 (delete_update_ssa): Do not clear SSA_NAME_AUX.
621 (update_ssa): Initialize and free blocks_to_update. Do not
622 clear flags on statements. Do not use blocks bitmap.
623 * tree.h (SSA_NAME_AUX): Removed.
624 (struct tree_ssa_name): Removed aux field.
625 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
627 2006-05-15 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/27603
630 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
631 Do computations in original type.
633 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
635 * see.c: Code style changes such as redundant paranthesis,
636 redundant intialization of local variables etc.
637 (see_main): Declared now as static.
638 * doc/invoke.texi: Update that -fsee is not enabled by
641 2006-05-15 Jakub Jelinek <jakub@redhat.com>
643 * omp-low.c (check_omp_nesting_restrictions): New function.
644 (scan_omp_1): Call it.
647 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
648 construct, return *VAR.
650 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
652 PR rtl-optimization/27406
653 * bt-load.c (migrate_btr_def): Skip the block having abnormal
656 2006-05-14 Roger Sayle <roger@eyesopen.com>
658 PR rtl-optimization/27538
659 * combine.c (expand_compound_operation): Call gen_lowpart
660 before calling simplify_shift_const.
662 2006-05-14 Roger Sayle <roger@eyesopen.com>
664 PR rtl-optimization/22563
665 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
666 a fixed width bitfield, always force the intermediates into psuedos.
668 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
671 * mkconfig.sh: Use operator = instead of == for test.
673 2006-05-13 Nick Clifton <nickc@redhat.com>
675 * dwarf2out.c (dbx_reg_number): Check return value from
676 LEAF_REG_REMAP and only use it if it is valid.
677 (multiple_reg_loc_descriptor): Likewise.
679 2006-05-13 Richard Guenther <rguenther@suse.de>
681 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
684 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
686 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
687 information attached to non-INSNs such as NOTEs.
688 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
690 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
692 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
694 * config/s390/s390.md: Adjust comment describing On constraint.
696 2006-05-11 Jan Hubicka <jh@suse.cz>
698 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
701 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
704 * fold-const.c (size_binop): Move sanity check for arguments to
705 the beginning of the function.
708 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
711 2006-05-11 Richard Guenther <rguenther@suse.de>
714 * fold-const.c (fold_unary): Handle intermediate conversion
715 to a pointer type like intermediate conversion to an integer
716 type in folding of (T1)(T2)var to var.
717 Match the code to the comment in the final conversion for
718 (T1)(T2)var to (T1)var regarding to type precision. Rather
719 than disallow T1 being of pointer type, assert that both T1
720 and var are of pointer type or not. Make sure not to fall
721 over the frontends lazyness wrt array to pointer decay though.
723 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
725 * arm.c (arm_struct_value_rtx): Delete.
726 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
727 (arm_init_cumulative_args): Always initialize nregs to zero.
729 2006-05-10 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/27532
732 * tree-object-size.c (plus_expr_object_size): Fix typo.
734 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
737 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
738 ashrdi_const, ashrdi3): Use a scratch register.
740 2006-05-10 Richard Guenther <rguenther@suse.de>
742 PR tree-optimization/27302
743 * fold-const.c (operand_equal_p): For two comparisons,
744 try comparison of one comparison code swapped if that yields
747 2006-05-10 Ben Elliston <bje@au.ibm.com>
749 * tree-pretty-print.c (pretty_print_string): No need to handle
750 '\0' as a special character.
752 * tree.h: Include "hashtab.h".
753 (iterative_hash_expr): Use hashval_t in its prototype.
754 * Makefile.in (TREE_H): Add $(HASHTAB_H).
756 2006-05-09 Steve Ellcey <sje@cup.hp.com>
759 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
760 (hppa*64*-*-hpux11*): Ditto.
761 (hppa[12]*-*-hpux11*): Ditto.
763 2006-05-09 David Edelsohn <edelsohn@gnu.org>
766 * config/rs6000/aix41.h (TARGET_64BIT): Define.
768 2006-05-09 Michael Matz <matz@suse.de>
770 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
771 host_extra_gcc_objs and host_xmake_file.
772 (<*-*-linux*>): Don't overwrite host_xmake_file.
773 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
774 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
775 (host_detect_local_cpu): Declare.
776 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
777 * config/i386/i386.c (override_options): Handle -mtune=native
779 * config/i386/x-i386: New file.
780 * config/i386/driver-i386.c: New file.
781 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
784 2006-05-09 Dirk Mueller <dmueller@suse.de>
785 Richard Guenther <rguenther@suse.de>
788 * fold-const.c (fold_read_from_constant_string): Relax check
789 for matching types to matching modes.
791 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
793 PR rtl-optimization/27335
794 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
797 2006-05-08 Chao-ying Fu <fu@mips.com>
798 Richard Sandiford <richard@codesourcery.com>
800 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
801 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
802 * config/mips/mips.md (UNSPEC_SCC): New constant.
803 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
804 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
805 (mips_emit_compare): Use it.
806 (mips_expand_vcondv2sf): New function.
808 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
810 Fix PR tree-optimization/27093
811 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
812 renaming when they become not-used_alone.
814 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
816 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
817 relocation and relocation stubs.
819 2006-05-08 Eric Christopher <echristo@apple.com>
821 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
824 2006-05-08 Jan Hubicka <jh@suse.cz>
827 * cgraphunit.c (decide_is_function_needed): When not optimizing even
828 unused static functions are needed.
830 2006-05-08 Roger Sayle <roger@eyesopen.com>
833 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
834 of a reg_equiv_constant if the result is a legitimate constant.
836 2006-05-08 Uros Bizjak <uros@kss-loka.si>
839 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
840 standard 80387 constants, raise the cost to prevent
841 compress_float_constant() to generate load from memory.
843 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
845 * config/arm/constraints.md (c): Fix a typo.
847 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
850 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
853 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
855 (_mm_mwait): Likewise.
857 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
859 (sse3_monitor): Make it 32bit only.
860 (sse3_monitor64): New. 64bit monitor.
862 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
865 * config/i386/i386.c (classify_argument): Skip fields with invalid
868 2006-05-07 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/27409
871 * tree-ssa-structalias.c (get_constraint_for_component_ref):
872 Do not try to find zero-sized subvars.
874 2006-05-07 Richard Guenther <rguenther@suse.de>
876 PR tree-optimization/27136
877 * tree-ssa-loop-niter.c (get_val_for): Correct function
878 comment, assert requirements.
879 (loop_niter_by_eval): Stop processing if the iterated
880 value did not simplify.
882 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
884 * opts.c (flag_see): remove its setting at -O3.
886 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
888 * genpeep.c (main): Make insn-peep.c depend on flags.h.
889 * arm/constraints.md: New file.
890 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
891 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
892 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
893 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
894 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
895 (EXTRA_MEMORY_CONSTRAINT): Likewise.
896 * arm.md: Include constraints.md.
897 (thumb_movsi_insn): Use satisfies_constraint_J.
898 (movhi, movqi): Use satisfies_constraint_I.
900 2006-04-29 Anatoly Sokolov <aesok@post.ru>
902 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
903 for atmeg a645 device.
905 2006-05-06 Richard Guenther <rguenther@suse.de>
907 PR tree-optimization/27151
908 * tree-vect-transform.c (vectorizable_condition): Punt on
909 values that have a different type than the condition.
911 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
914 * c-parser.c (c_parser_cast_expression): Only insert casts into
915 hash table if pointer.
916 * function.c (used_types_insert_helper): Rename from
918 (used_types_insert): Call used_types_insert_helper.
919 * function.h (used_types_insert): Accept only one argument.
921 2006-05-05 David Edelsohn <edesohn@gnu.org>
923 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
924 scratch with output modifier.
926 2006-05-04 David Edelsohn <edelsohn@gnu.org>
929 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
930 with output modifier.
932 2006-05-04 Richard Sandiford <richard@codesourcery.com>
935 * config/mips/mips.c (mips_symbolic_address_p): Return true
936 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
937 SYMBOL_GOTTPREL, and SYMBOL_TLS.
939 2006-05-04 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/14287
942 PR tree-optimization/14844
943 PR tree-optimization/19792
944 PR tree-optimization/21608
945 PR tree-optimization/27090
946 * tree-ssa-pre.c (try_combine_conversion): New function.
947 (compute_avail): After constructing the value-handle
948 expression, use try_combine_conversion to combine NOP_EXPRs
949 with previous value-handle expressions and use the result if it
952 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
954 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
956 2006-05-04 Jan Hubicka <jh@suse.cz>
959 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
961 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
963 * config/bfin/predicates.md (const01_rtx): Tell generator programs
964 that this only matches CONST_INTs. All users changed to VOIDmode
967 * config/bfin/bfin.c: Include "optabs.h".
968 (bfin_rtx_costs): Some costs for vector operations, to allow combine
970 (enum bfin_builtins): Add a number of fractional and vector builtins.
971 (bfin_init_builtins): Likewise.
972 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
973 (safe_vector_operand, bfin_expand_binop_builtin,
974 bfin_expand_unop_builtin): New functions.
975 (bfin_expand_builtin): Handle the new builtins.
976 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
979 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
982 * Makefile.in (OBJS-common): Add see.o.
983 (see.o): Add dependencies.
984 * common.opt (fsee): New flag for the see optimization was added.
985 * opts.c (flag_see): Initialized.
986 * passes.c (init_optimization_passes, pass_see): New pass.
987 * rtl.h (see_main): Declaration as extern.
988 * timevar.def (TV_SEE): New.
989 * tree-pass.h (pass_see): Declaration as extern.
990 * invoke.texi (-fsee): Document.
991 * recog.c (validate_simplify_insn): New function.
992 * recog.h (validate_simplify_insn): Declaration as extern.
993 * df-problems.c (df_chain_dump): Check for NULL.
995 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
996 Daniel Berlin <dberlin@dberlin.org>
998 * cfgrtl.c (insert_insn_bb_end_new): New function.
999 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1001 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1003 * df.h (struct web_entry): Moved from web.c.
1004 (union_defs): Declaration as extern.
1005 (unionfind_root): Likewise.
1006 (unionfind_union): Likewise.
1007 * web.c (struct web_entry): Moved to df.h.
1008 (unionfind_root): Remove static declaration.
1009 (unionfind_union): Likewise.
1010 (union_defs): Likewise and generalize to use callback function.
1011 (web_main): Update arguments for union_defs function call.
1013 2006-05-04 Richard Guenther <rguenther@suse.de>
1015 PR tree-optimization/26447
1016 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1017 produce SSA_NAME copies before the store stmt to avoid
1018 breaking exception handling.
1020 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1023 * gimplify.c (omp_is_private): If var is shared in some outer context,
1024 return false instead of true. Stop searching on parallel context
1027 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1030 * coverage.c: Use get_gcov_unsigned_t() instead of
1031 unsigned_type_node all over.
1033 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1035 PR tree-optimization/27381
1036 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1037 maintain the same immediate_use links.
1038 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1039 node rather than segfaulting.
1041 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1044 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1045 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1046 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1048 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1050 Fix PR tree-optimization/26626
1051 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1053 * tree-ssa-operands.c (access_can_touch_variable): Allow
1054 typecasting through union pointers.
1056 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1059 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1060 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1061 to find if var will be a global variable even in the nested context.
1062 (omp_copy_decl): Only check for global variable at the end, it might
1063 be overridden in outer contexts.
1064 (scan_sharing_clauses): For global variables don't create a field.
1065 (lower_rec_input_clauses): Do nothing for global shared variables.
1066 Emit a barrier at the end of ILIST if there were any decls in both
1067 firstprivate and lastprivate clauses.
1068 (lower_send_clauses): Do nothing for global variables except for
1071 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1073 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1074 of the correct signedness is returned.
1076 2006-05-02 Jeff Law <law@redhat.com>
1078 PR tree-optimization/27364
1079 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1080 multiply expressions.
1082 2006-05-02 Tom Tromey <tromey@redhat.com>
1084 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1086 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1089 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1090 -mthumb -fPIC are used.
1092 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1093 Joshua Kinard <kumba@gentoo.org>
1096 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1097 with 64-bit pointers.
1099 2006-05-02 Paul Brook <paul@codesourcery.com>
1101 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1103 (create_fix_barrier): Check that a suitable barrier location is
1105 (arm_reorg): Include ftmp->address in allowable range of addresses.
1107 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1110 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1113 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1116 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1117 around RESULT_DECL for result passed by reference.
1118 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1119 * omp-low.c (use_pointer_for_field): Don't look at
1120 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1121 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1122 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1123 time or var for passing by reference for
1124 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1125 TREE_ADDRESSABLE variables when passing by reference.
1127 * omp-low.c (dump_omp_region): Fix output formatting.
1130 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1131 (expand_omp_parallel): Likewise.
1132 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1135 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1136 on statement list containing also constructors and destructors.
1137 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1140 * except.c (duplicate_eh_regions): Fix clearing of
1141 cfun->eh->region_array entries.
1143 2006-05-01 DJ Delorie <dj@redhat.com>
1145 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1147 (gcc_cv_objdump): Likewise.
1148 * configure: Regenerated.
1150 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1153 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1154 templates for case 3 and 4.
1156 2006-05-01 DJ Delorie <dj@redhat.com>
1158 * vec.c: Include bconfig.h when appropriate.
1159 * Makefile.in (build/vec.o): Adjust dependencies.
1160 * mkconfig.sh: Make sure config.h isn't used for build machine
1163 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1165 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1167 (mark_phi_for_rewrite): New function.
1168 (insert_phi_nodes_for, mark_use_interesting): Call
1169 mark_phi_for_rewrite.
1170 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1171 (update_ssa): Initialize and free phis_to_rewrite.
1173 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1175 PR rtl-optimization/27291
1176 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1177 folded to a constant.
1179 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1181 PR tree-optimization/27283
1182 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1183 not whole # of iteration descriptions.
1184 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1185 uses abnormal ssa name.
1186 (niter_for_single_dom_exit): Ditto.
1187 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1188 return just the number of iterations.
1190 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1192 PR tree-optimization/27144
1193 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1194 (record_estimate): Only record constant upper bound.
1195 (infer_loop_bounds_from_undefined): Call
1196 compute_estimated_nb_iterations just once.
1197 (proved_non_wrapping_p): Renamed to ...
1198 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1199 (convert_step_widening, scev_probably_wraps_p): Call
1200 n_of_executions_at_most instead of proved_non_wrapping_p.
1201 (substitute_in_loop_info): Do not replace values in bounds.
1202 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1205 2006-05-01 Richard Henderson <rth@redhat.com>
1208 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1209 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1212 2006-05-01 Roger Sayle <roger@eyesopen.com>
1214 * c-typeck.c (parser_build_binary_op): Don't call the function
1215 unsigned_conversion_warning to spot operand/result type overflow.
1216 (build_binary_op): Instead, call convert_and_check instead of
1217 convert to report the problem when the operands are promoted.
1218 * c-common.c (unsigned_conversion_warning): Make static.
1219 * c-common.h (unsigned_conversion_warning): Delete prototype.
1221 2006-05-01 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/26726
1224 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1226 (find_interesting_uses_address): ... we work around here
1227 by folding INDIRECT_REFs in the substituted base.
1229 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1231 * omp-low.c (dump_omp_region): Add newlines.
1233 2006-04-30 Roger Sayle <roger@eyesopen.com>
1235 * common.opt (Woverflow): New command line option.
1236 * c-common.c (constant_expression_warning): Check warn_overflow.
1237 (overflow_waring): Pass OPT_Woverflow to warning.
1238 (unsigned_conversion_warning): Likewise.
1239 (convert_and_check): Likewise.
1240 * doc/invoke.texi: Document new command line option.
1242 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1244 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1245 TARGET_NO_FP_IN_TOC for section anchors.
1246 (optimization_options): Enable section anchors for all
1247 non-"Objective" languages.
1249 2006-04-28 Eric Christopher <echristo@apple.com>
1251 * config/darwin-c.c (darwin_ms_struct): Move this
1252 (darwin_set_default_type_attributes): and this...
1253 * config/darwin.c: ... here.
1254 * config/darwin.h (darwin_ms_struct): Declare.
1256 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1258 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1260 2006-04-28 Roger Sayle <roger@eyesopen.com>
1263 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1264 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1265 an unsigned HOST_WIDE_INT.
1266 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1268 (really_start_incremental_init): No need to call convert because
1269 bitsize_zero_node is already of type bitsizetype.
1270 (push_init_level): Extract the value of constructor_index as an
1271 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1272 (process_init_element): Likewise.
1274 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1276 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1277 value before passing to make_relative_prefix.
1279 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1282 * builtins.c (expand_builtin_memset): Expand val in original mode.
1284 2006-04-27 Eric Christopher <echristo@apple.com>
1286 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1287 with #ifndef/#endif.
1288 * config/darwin-c.c (darwin_ms_struct): New.
1289 (darwin_pragma_ms_struct): Ditto.
1290 (darwin_set_default_type_attributes): Ditto.
1291 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1292 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1293 Register ms_struct pragma.
1294 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1295 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1296 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1297 darwin_set_default_type_attributes if TARGET_MACHO.
1299 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1301 PR tree-optimization/26854
1302 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1303 * doc/tree-ssa.texi: Update immuse iterator documentation.
1304 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1305 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1306 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1307 first_safe_imm_use, next_safe_imm_use): Remove.
1308 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1309 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1310 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1311 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1312 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1313 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1314 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1315 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1316 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1317 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1318 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1319 (perfect_nestify): Use new iterator.
1320 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1322 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1323 (next_imm_name): New field in struct immediate_use_iterator_d.
1324 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1325 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1326 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1327 * tree-cfg.c (replace_uses_by): Use new iterator.
1328 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1329 * tree-ssa-operands.c (correct_use_link): Remove.
1330 (finalize_ssa_use_ops): No longer call correct_use_link.
1332 2006-04-27 Stuart Hastings <stuart@apple.com>
1334 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1335 * config/t-darwin (crt3.o): Use it.
1336 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1337 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1338 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1339 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1340 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1343 2006-04-27 Roger Sayle <roger@eyesopen.com>
1345 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1346 size, force the intermediate into a new pseudo rather instead of
1347 performing both a bitwise AND and a bitwise IOR in memory.
1349 2006-04-27 Richard Guenther <rguenther@suse.de>
1351 PR rtl-optimization/26685
1352 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1353 this one "max-flow-memory-locations".
1355 2006-04-27 Richard Guenther <rguenther@suse.de>
1357 PR tree-optimization/25148
1358 * tree-vrp.c (compare_values): Remove code dealing with
1359 comparisons against type min/max value. Honour overflow
1360 and negative constants in code dealing with comparisons
1361 of plus and minus expressions.
1362 (value_inside_range): Use fold_binary with LE_EXPR and
1363 GE_EXPR rather than compare_values.
1365 2006-04-27 Dirk Mueller <dmueller@suse.de>
1367 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1370 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1372 * basic-block.h (safe_insert_insn_on_edge): Removed.
1373 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1375 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1376 Paolo Bonzini <bonzini@gnu.org>
1379 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1380 (simplify_and_const_int): Same.
1382 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1384 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1386 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1389 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1390 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1391 cgraph_global_info_ready.
1394 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1397 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1398 either decl or init is error_mark_node.
1401 * tree-flow.h (struct omp_region): Add sched_kind.
1402 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1403 instead of extracting omp for data.
1404 (expand_omp_for): Save extracted sched_kind.
1406 2006-04-25 Roger Sayle <roger@eyesopen.com>
1408 * expmed.c (store_bit_field): Also check whether the bitsize is
1409 valid for the machine's "insv" instruction before moving the
1410 target into a pseudo for use with the insv.
1411 * config/i386/predicates.md (const8_operand): New predicate.
1412 * config/i386/i386.md (extv, extzv, insv): Use the new
1413 const8_operand predicate where appropriate.
1415 2006-04-25 DJ Delorie <dj@redhat.com>
1417 * doc/install.texi (Specific): Clarify that this is not a list of
1418 supported hosts or targets.
1420 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1422 PR rtl-optimization/26725
1423 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1424 block's BB_DIRTY flag.
1426 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1428 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1431 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1432 to print an integer.
1434 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1436 * varasm.c (align_variable): New function.
1437 (get_block_for_decl): Apply align_variable to DECL before
1438 calculating section information.
1439 (assemble_variable): Split out alignment computation.
1441 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1443 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1446 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1448 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1449 MODE_PARTIAL_INT mode.
1450 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1451 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1453 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1454 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1456 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1458 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1460 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1461 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1462 MACFLAG_IH): Likewise.
1463 (movstricthi_1): Renamed from "*movstricthi".
1464 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1465 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1466 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1467 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1468 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1469 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1470 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1471 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1472 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1473 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1474 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1475 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1476 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1477 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1478 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1480 * doc/rtl.texi (ss_ashift): Improve wording.
1482 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1484 * dwarf2out.c (verify_marks_clear): New.
1485 (prune_unused_types): Call verify_marks_clear initially, not
1488 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1490 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1491 * doc/rtl.texi: Document them.
1492 * simplify-rtx.c (simplify_unary_operation,
1493 simplify_binary_operation_1): Don't abort when we see them.
1495 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1498 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1499 * configure.ac: Completely disregard languages that are not
1501 * configure: Regenerated.
1503 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1504 Richard Guenther <rguenther@suse.de>
1506 PR tree-optimization/27236
1507 * tree-inline.c (copy_body_r): Make sure to copy
1508 TREE_THIS_VOLATILE flag.
1510 2006-04-24 Richard Guenther <rguenther@suse.de>
1513 * tree-complex.c (update_parameter_components): Don't handle
1514 unused parameters which have no default def.
1516 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1517 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/27218
1520 * tree-inline.c (expand_call_inline): Strip useless type
1521 conversions for the return slot address.
1523 2006-04-24 Richard Guenther <rguenther@suse.de>
1525 * cfgloop.h (struct loops): Remove unused field array. Reorder
1527 (LOOP_PREFETCH): Remove.
1529 2006-04-24 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/22525
1532 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1533 variable, adjust types of generated expressions.
1535 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1537 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1538 (tree-vect-patterns.o): Likewise.
1540 (cselib.o): Likewise.
1541 (loop-doloop.o): Likewise.
1542 (regclass.o): Likewise.
1543 (reload1.o): Likewise.
1544 (explow.o): Replace target.h with $(TARGET_H).
1545 (ipa-prop.o): Likewise.
1546 (ipa-cp.o): Likewise.
1547 (ipa-inline.o): Likewise.
1548 (reorg.o): Likewise.
1549 (reg-stack.o): Likewise.
1551 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1553 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1555 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1557 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1559 * configure.ac: Completely disregard languages that are not
1561 * configure: Regenerated.
1564 * c-common.h (c_build_bitfield_integer_type): Declare.
1565 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1566 * c-common.c (c_build_bitfield_integer_type): ... here.
1568 2006-04-23 Roger Sayle <roger@eyesopen.com>
1571 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1572 a SImode SUBREG of a floating point register after no_new_pseudos.
1574 2006-04-23 Roger Sayle <roger@eyesopen.com>
1576 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1577 identify potentially eliminable registers to additionally catch
1578 VIRTUAL_INCOMING_ARGS_REGNUM.
1579 (addsi3): Update the conditions on when to use addsi_small_int.
1581 2006-04-23 Roger Sayle <roger@eyesopen.com>
1584 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1585 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1586 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1588 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1590 * fold-const.c (range_predecessor): Use operand_equal_p
1591 as the predicate for equality.
1592 (range_successor): Likewise.
1594 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1597 * config/soft-fp/op-common.h: Fix a typo.
1599 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1602 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1603 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1605 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1607 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1609 * doc/tm.texi: Fix a typo.
1611 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1613 * dwarf2out.c (struct die_struct): Document that die_sib makes
1614 a circular linked list.
1615 (FOR_EACH_CHILD): New.
1616 (reverse_die_lists): Delete.
1617 (reverse_all_dies): Delete.
1618 (add_dwarf_attr): Correct documentation.
1619 (remove_child_with_prev): New.
1620 (remove_child_TAG): Update for change to die_struct, use
1621 remove_child_with_prev.
1622 (add_child_die): Update for change to die_struct.
1623 (splice_child_die): Use remove_child_with_prev and add_child_die.
1624 (print_die): Use FOR_EACH_CHILD.
1625 (die_checksum): Likewise.
1626 (assign_symbol_names): Likewise.
1627 (output_location_lists): Likewise.
1628 (build_abbrev_table): Likewise.
1629 (calc_die_sizes): Likewise.
1630 (mark_dies): Likewise.
1631 (unmark_dies): Likewise.
1632 (unmark_all_dies): Likewise.
1633 (output_die): Likewise.
1634 (prune_unused_types_mark): Likewise.
1635 (prune_unused_types_walk): Likewise.
1636 (same_die_p): Update for change to die_struct.
1637 (break_out_includes): Likewise.
1638 (prune_unused_types_prune): Likewise.
1639 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1640 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1642 (dwarf2out_finish): Don't call reverse_all_dies.
1644 2006-04-21 Eric Christopher <echristo@apple.com>
1646 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1647 in comments and function names.
1649 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1652 * c-typeck.c (digest_init): Robustify.
1654 * c-typeck.c (pop_init_level): Simplify.
1656 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1658 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1660 2006-04-21 Paul Brook <paul@codesourcery.com>
1662 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1663 hardware floating point.
1665 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1667 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1670 2006-04-21 Nick Clifton <nickc@redhat.com>
1672 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1675 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1678 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1679 C++ lang type in traceback table for Objective-C++.
1681 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1683 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1685 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1687 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1690 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1691 were errors. Remove check for erroneous objects.
1693 2006-04-20 Jeff Law <law@redhat.com>
1695 PR tree-optimization/26854
1696 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1697 checking for zero or one use.
1698 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1699 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1700 * tree-ssa-reassoc.c (negate_value): Similarly.
1701 (reassociate_bb): Similarly.
1703 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1705 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1706 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1707 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1709 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1711 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1712 fp regs if the last fp arg doesn't fit in regs.
1714 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1717 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1718 that the last insn has the REG_INC note.
1720 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1721 Nathan Sidwell <nathan@codesourcery.com>
1724 * stor-layout.c (update_alignment_for_field): Do not align
1726 (place_union_field): Place union field at the start of the union.
1727 (place_field): Move ERROR_MARK check later, and use the current
1728 allocation position to maintain monotonicity.
1730 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1732 * dominance.c: Include timevar.h.
1733 (calculate_dominance_info): Use TV_DOMINANCE.
1734 * timevar.def (TV_DOMINANCE): New timevar.
1735 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1737 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1739 PR rtl-optimization/14261
1740 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1741 move would be an INSV insn.
1742 (noce_process_if_block): Don't optimize if the destination is a
1743 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1745 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1747 * config/s390/s390.md: Add comments with the instructions emitted
1748 by an insn pattern if macros are used.
1750 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1752 PR rtl-optimization/26026
1753 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1754 is a known power of two shifted left a variable amount.
1756 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1758 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1759 to hash table twice when the debug_str section has SECTION_MERGE.
1761 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1763 * config/soft-fp: New directory. From glibc.
1764 * config/soft-fp/t-softfp: New.
1765 * config/soft-fp/README: New.
1766 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1767 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1768 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1769 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1770 * config.gcc: Use rs6000/t-fprules-fpbit or
1771 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1773 * config/rs6000/sfp-machine.h: New. Based on glibc.
1774 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1776 * config/rs6000/t-fprules: Remove fp-bit rules.
1777 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1778 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1779 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1780 (softfp_wrap_start, softfp_wrap_end): New.
1782 2006-04-18 DJ Delorie <dj@redhat.com>
1784 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1786 2006-04-18 Devang Patel <dpatel@apple.com>
1788 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1790 2006-04-18 Nick Clifton <nickc@redhat.com>
1792 * config/sh/t-symbian: Add rule to build sh-c.o
1793 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1794 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1795 (sh_symbian_encode_section_info): Likewise.
1797 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1799 * builtins.c (expand_builtin_strcmp): Cover label definition of
1800 do_libcall with HAVE_cmpstrnsi.
1802 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1804 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1806 * function.h (temp_slot_p): New.
1807 (function): Change the type of x_used_temp_slots to
1808 VEC(temp_slot_p,gc) *.
1810 2006-04-18 Nick Clifton <nickc@redhat.com>
1812 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1813 flag_strength_reduce.
1815 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1817 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1821 Partial revert of revision 112637
1822 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1823 Dale Johannesen <dalej@apple.com>
1826 * regclass.c (struct reg_pref): Update documentation.
1827 (regclass): Set prefclass to NO_REGS if memory is the best option.
1828 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1830 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1832 PR tree-optimization/26821
1833 * tree-ssa-math-opts.c (get_constant_one): New.
1834 (insert_reciprocals): Use it.
1836 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1838 * dwarf2out.c (free_AT): Delete.
1839 (remove_AT): Update string ref counts.
1840 (remove_child_TAG): Don't call free_die.
1842 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1843 or DW_TAG_GNU_EINCL.
1844 (prune_unused_types_walk_attribs): Reset string refcounts.
1845 (prune_unused_types_update_strings): New.
1846 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1847 call free_die. Do call prune_unused_types_update_strings.
1848 (prune_unused_types): Empty debug_str_hash.
1850 2006-04-17 Roger Sayle <roger@eyesopen.com>
1852 * expr.c (expand_assignment): Optimize away no-op moves where the
1853 source and destination are equal and have no side-effects.
1855 2006-04-17 Richard Guenther <rguenther@suse.de>
1858 * reload.c (push_reload): Guard calls to get_secondary_mem
1861 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1863 * alias.c (reg_base_value, old_reg_base_value): Change the
1864 type to VEC(rtx,gc) *.
1865 (REG_BASE_VALUE, find_base_value, record_set,
1866 init_alias_analysis): Use VEC instead of VARRAY.
1868 * alias.c (alias_sets): Change the type to
1869 VEC(alias_set_entry,gc) *.
1870 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1871 VEC instead of VARRAY.
1872 (last_alias_set): Remove.
1874 * cgraph.h (cgraph_edge_p): New.
1875 Update the prototype of cgraph_function_versioning.
1876 * cgraphunit.c (cgraph_copy_node_for_versioning,
1877 cgraph_function_versioning): Use VEC instead of VARRAY.
1878 * ipa-cp.c (ipcp_insert_stage): Likewise.
1880 2006-04-16 Roger Sayle <roger@eyesopen.com>
1883 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1884 "A op B" or "A op C", we may need to convert A to the type of B and C.
1886 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1888 * target.h (struct gcc_target): Add mode_rep_extended.
1889 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1890 (init_num_sign_bit_copies_in_rep): Initialize it using
1892 (truncate_to_mode): Use it.
1893 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1894 * targhooks.h (default_mode_rep_extended): Declare it.
1895 * targhooks.c (default_mode_rep_extended): Define it.
1896 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1897 default_mode_rep_extended.
1898 (TARGET_INITIALIZER): Include it.
1899 * doc/tm.texi (Misc): Document it.
1900 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1901 (mips_truncated_to_mode): New function.
1903 2006-04-16 Roger Sayle <roger@eyesopen.com>
1906 * expr.c (compress_float_constant): Copy the narrow constant into
1907 a new pseudo before extending it to its final width.
1909 2006-04-16 Roger Sayle <roger@eyesopen.com>
1910 Andrew Pinski <pinskia@gcc.gnu.org>
1911 Dale Johannesen <dalej@apple.com>
1914 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1915 special case code to implement V8HImode and V16QImode with SSE2.
1917 2006-04-15 Roger Sayle <roger@eyesopen.com>
1919 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1920 trees are constructed with a suitable tree type.
1922 2006-04-15 Roger Sayle <roger@eyesopen.com>
1924 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1925 (integer_onep): Likewise.
1926 (integer_all_onesp): Likewise.
1927 (integer_pow2p): Likewise.
1928 (integer_nonzerop): Likewise.
1929 (real_zerop): Likewise.
1930 (real_onep): Likewise.
1931 (real_twop): Likewise.
1932 (real_minus_onep): Likewise.
1933 (int_size_in_bytes): Likewise.
1934 (host_integerp): Likewise.
1936 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1938 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1939 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1940 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1942 * tree-ssa-structalias.h (alias_info): Remove num_references.
1944 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1946 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1947 (output_bvb patterns): Likewise.
1948 * pa.c (output_bb): Use 'bb' insn for long branch case.
1949 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1950 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1951 1. Correct length operand for alternatives 1 and 2.
1952 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1953 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1955 2006-04-14 Roger Sayle <roger@eyesopen.com>
1957 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1958 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1959 were accidentally reverted by r112959.
1961 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1964 * except.h (eh_region_outermost): New prototype.
1965 * except.c (eh_region_outermost): New function.
1966 * tree-cfg.c (find_outermost_region_in_block): Use it.
1968 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1970 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1972 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1973 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1974 (init_reload, reload): Use VEC instead of VARRAY.
1975 * reload.h: Update the prototype for
1976 reg_equiv_memory_loc_varray.
1978 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1979 Eric Botcazou <ebotcazou@libertysurf.fr>
1981 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1984 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1987 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1988 to expand fallback builtin function call.
1990 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1993 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1994 and emit libcall here in case the builtin fails.
1995 (expand_builtin_strcmp): Always emit the libcall here on failure.
1997 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1999 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2000 * flow.c (reg_n_info): Change the type to
2001 VEC(reg_info_p,heap) *.
2002 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2004 * regs.h (reg_info_p): New.
2005 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2006 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2007 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2010 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2012 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2014 * params.h (MAX_SCHED_READY_INSNS): New macro.
2015 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2016 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2017 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2018 the ready list for 1 cycle during the first scheduling pass.
2019 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2021 2006-04-13 Richard Henderson <rth@redhat.com>
2024 * gimple-low.c (lower_omp_directive): Remove dead code.
2025 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2026 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2027 * omp-low.c (struct omp_region): Move to tree-flow.h.
2028 (root_omp_region): Export.
2029 (omp_regions, lookup_omp_region): Remove.
2030 (determine_parallel_type): Update for struct omp_region changes.
2031 (dump_omp_region): Dump regions with block numbers.
2032 (new_omp_region): Take type and block instead of stmt; malloc
2034 (free_omp_region_1, free_omp_regions): New.
2035 (expand_parallel_call): Take entry_stmt as argument; update for
2036 changes to omp_region.
2037 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2038 (remove_exit_barriers): New.
2039 (expand_omp_parallel): Update for struct omp_region changes.
2040 (expand_omp_synch): Likewise.
2041 (expand_omp): Likewise.
2042 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2043 (expand_omp_for_static_chunk): Likewise.
2044 (expand_omp_for): Likewise.
2045 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2046 (expand_omp_sections): Similarly, with GOMP_sections_end.
2047 (expand_omp_single): New.
2048 (build_omp_regions_1): Update for OMP_CONTINUE.
2049 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2050 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2051 OMP_SECTIONS_SECTIONS.
2052 (lower_omp_single_simple): Don't emit barrier here.
2053 (lower_omp_single_copy): Likewise.
2054 (lower_omp_single): Fix bindings, and lower to straightline now.
2055 (lower_omp_master, lower_omp_ordered): Likewise.
2056 (lower_omp_critical): Likewise.
2057 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2058 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2059 omp edges, free it afterward.
2060 (make_omp_sections_edges): Remove.
2061 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2062 (move_stmt_r): Handle OMP_CONTINUE.
2063 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2064 statement pointers to basic blocks. Add type member.
2065 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2066 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2067 * tree-inline.c (estimate_num_insns_1): Likewise.
2068 * tree-pretty-print.c (dump_generic_node): Likewise.
2069 * tree-ssa-operands.c (get_expr_operands): Likewise.
2070 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2071 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2072 (OMP_CONTINUE): New.
2073 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2074 (OMP_SECTIONS_SECTIONS): Remove.
2075 (OMP_SECTION_LAST): New.
2076 (OMP_RETURN_NOWAIT): New.
2078 2006-04-13 Roger Sayle <roger@eyesopen.com>
2080 * fold-const.c (native_encode_vector, native_interpret_real):
2081 Correct obvious mistakes in the previous check-in.
2083 2006-04-13 Roger Sayle <roger@eyesopen.com>
2085 * fold-const.c (native_encode_expr): New function to encode
2086 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2087 or VECTOR_CST into a specified buffer.
2088 (native_encode_int): New function.
2089 (native_encode_real): New function.
2090 (native_encode_complex): New function.
2091 (native_encode_vector): New function.
2092 (native_interpret_expr): Inverse of native_encode_expr to convert
2093 a target representation into an INTEGER_CST, REAL_CST etc...
2094 (native_interpret_int): New function.
2095 (native_interpret_real): New function.
2096 (native_interpret_complex): New function.
2097 (native_interpret_vector): New function.
2098 (fold_view_convert_expr): New function to constant fold/evaluate
2099 a VIEW_CONVERT_EXPR of a suitable constant expression.
2100 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2101 Change call of build1 to fold_build1 when constructing a
2104 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2105 Ulrich Weigand <uweigand@de.ibm.com>
2108 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2111 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2114 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2115 optimize to lo_sum for DFmode if !TARGET_FPRS.
2117 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2119 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2120 delete_alias_info, compute_flow_sensitive_aliasing,
2121 group_aliases): Use VEC instead of VARRAY.
2122 * tree-ssa-structalias.c (update_alias_info): Likewise.
2123 * tree-ssa-structalias.h (alias_info): Change the type of
2124 processed_ptrs to VEC(tree,heap) *.
2126 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2129 * config/sh/lib1funcs.h: New file, broken out of:
2130 * config/sh/lib1funcs.asm.
2131 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2133 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2134 * config/sh/lib1funcs-Os-4-200.asm: New file.
2135 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2136 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2137 (EXTRA_MULTILIB_PARTS): Include it.
2138 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2139 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2140 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2141 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2144 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2146 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2147 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2148 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2150 * tree-ssa-live.h: Include vecprim.h.
2151 (tree_partition_associator_d): Change the type of
2152 first_partition to VEC(int,heap) *.
2153 (tpa_first_partition): Use VEC instead of VARRAY.
2155 * Makefile.in (GTFILES): Move functions.h after tree.h.
2156 * function.c (reset_block_changes, record_block_change,
2157 check_block_change, free_block_changes): Use VEC instead of
2159 * function.h (function): Change the type of
2160 ib_boundaries_block to VEC(tree,gc) *.
2161 * tree-inline.c (copy_cfg_body): Initialize
2162 ib_boundaries_block to NULL instead of (varray_type) 0.
2164 2006-04-12 Roger Sayle <roger@eyesopen.com>
2166 * expr.c (emit_group_store): Correct operand order in call to
2167 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2168 a SUBREG_BYTE of zero.
2170 2006-04-12 Richard Guenther <rguenther@suse.de>
2172 * profile.c (compute_branch_probabilities): Remove code
2173 encapsulated in !ir_type (), which are remanents of the
2174 removed RTL profiling code.
2175 * rtl-profile.c: Remove.
2177 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2179 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2180 magic NULL_RTX comment.
2181 (function_arg): Store entire fp arg to mem if any part should go
2183 (rs6000_arg_partial_bytes): Adjust for above change.
2185 2006-04-11 Roger Sayle <roger@eyesopen.com>
2187 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2188 if it hasn't been initialized by dwarf2out_init.
2190 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2192 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2193 symbolic constants in branch patterns.
2195 2006-04-11 Roger Sayle <roger@eyesopen.com>
2197 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2199 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2201 PR rtl-optimization/27073
2202 * gcse.c (try_replace_reg): Revert last change. Continue to search
2203 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2206 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2208 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2209 aggregate types other than record and union types.
2210 (function_arg): Likewise.
2211 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2213 (function_value): In 64-bit mode, return objects that require it
2216 2006-04-11 Roger Sayle <roger@eyesopen.com>
2218 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2220 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2222 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2224 2006-04-03 Jeff Law <law@redhat.com>
2227 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2228 alias information too.
2230 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2232 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2234 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2237 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2238 (premark_used_types_helper): New.
2239 (premark_used_types): New.
2240 (gen_subprogram_die): Call premark_used_types.
2241 (prune_unused_types_walk): Do not prune perennial dies.
2242 * function.c (used_types_insert): New.
2243 * function.h (struct function): Add used_types_hash field.
2244 (used_types_insert): Add prototype.
2245 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2246 * c-parser.c (c_parser_cast_expression): Save casted types in used
2249 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2252 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2253 rs6000_explicit_options.float_gprs.
2255 2006-04-10 Roger Sayle <roger@eyesopen.com>
2257 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2258 from ix86_expand_vector_init_low_nonzero. Take an additional
2259 one_var argument indicating which element is non-zero. Support
2260 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2261 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2262 with one_var instead of ix86_expand_vector_init_low_nonzero.
2264 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2266 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2267 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2268 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2269 build/genextract.o): Depend on vecprim.h.
2270 * cfglayout.c, df-problems.c, function.c, genextract.c,
2271 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2272 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2276 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2278 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2279 Declare VECs of this type.
2280 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2281 (remove_children): Delete.
2282 (add_dwarf_attr): Use VEC routines.
2283 (add_AT_flag): Update for changes to add_dwarf_attr.
2284 (add_AT_int): Likewise.
2285 (add_AT_unsigned): Likewise.
2286 (add_AT_long_long): Likewise.
2287 (add_AT_vec): Likewise.
2288 (add_AT_string): Likewise.
2289 (add_AT_die_ref): Likewise.
2290 (add_AT_fde_ref): Likewise.
2291 (add_AT_loc): Likewise.
2292 (add_AT_loc_list): Likewise.
2293 (add_AT_addr): Likewise.
2294 (add_AT_lbl_id): Likewise.
2295 (add_AT_lineptr): Likewise.
2296 (add_AT_macptr): Likewise.
2297 (add_AT_offset): Likewise.
2298 (add_AT_range_list): Likewise.
2299 (get_AT): Use VEC_iterate.
2300 (remove_AT): Use VEC_ordered_remove.
2301 (free_die): Fold remove_children into here; have it use VEC_iterate.
2302 (print_die): Use VEC_iterate on attrs.
2303 (reverse_die_lists): Don't reverse attr lists.
2304 (die_checksum): Use VEC_iterate on attrs.
2305 (same_die_p): Likewise.
2306 (output_location_lists): Likewise.
2307 (build_abbrev_table): Likewise.
2308 (size_of_die): Likewise.
2309 (unmark_all_dies): Likewise.
2310 (output_abbrev_section): Likewise.
2311 (output_die): Likewise.
2312 (prune_unused_types_walk_attribs): Likewise.
2314 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2316 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2318 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2321 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2323 2006-04-09 Roger Sayle <roger@eyesopen.com>
2325 * expr.c (store_constructor): Don't bother clearing target if
2326 we're about to assign a vector to it using vec_init_optab.
2328 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2330 * tree-ssa-alias.c (lhs_may_store_to): New function.
2331 (recalculate_used_alone): Handle LHS of calls.
2333 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2337 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2338 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2339 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2340 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2341 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2342 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2343 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2344 stubs. Add ".align 8" directives before all ".dword" directives.
2345 (GTHREAD_USE_WEAK): Revise comment.
2346 (TARGET_ATTRIBUTE_WEAK): Define.
2347 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2348 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2349 * stublib.c: New file.
2354 * pa.md (cbranch patterns): Revise arguments used in calls to
2355 output_cbranch, output_bb and output_bvd. Add long branch length
2357 (fbranch patterns): Handle long branches.
2358 (jump): Revise length check. Revise arguments for output_lbranch call.
2359 Add long branch length attributes.
2360 (decrement_and_branch_until_zero): Add long branch length attributes.
2361 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2362 Likewise. Revise arguments for output_parallel_addb and
2363 output_parallel_movb calls.
2364 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2365 output_parallel_movb and output_parallel_addb): Update prototypes.
2366 * pa.c (output_cbranch): Revise arguments. Correct handling of
2367 nullification in long branches.
2368 (output_lbranch): Add new argument to control extraction of delay
2370 (output_bb): Handle long branches.
2371 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2372 output_parallel_addb): Likewise.
2374 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2376 PR rtl-optimization/27073
2377 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2380 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2382 * tree.h (tree_memory_tag): Add old_used_alone.
2383 (SMT_OLD_USED_ALONE): New macro.
2384 * tree-ssa-alias.c (recalculate_used_alone): Stop
2385 marking things for renaming unnecessarily.
2387 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2389 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2390 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2391 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2392 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2393 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2394 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2395 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2396 spelling convensions.
2397 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2398 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2399 typos. Follow spelling conventions.
2401 2006-04-07 DJ Delorie <dj@redhat.com>
2403 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2404 passed on the stack.
2405 (m32c_init_cumulative_args): When a function returns a structure,
2406 always pass the pointer to that return area on the stack.
2407 (m32c_function_arg_advance): Don't increment the parameter number
2408 if we're processing the returned structure pointer.
2409 (pushm_info): Reverse order of registers.
2411 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2413 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2414 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2415 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2416 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2418 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2419 chrec_fold_multiply): Same.
2420 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2421 force_expr_to_var_cost): Same.
2422 * tree-mudflap.c (mf_xform_derefs_1): Same.
2423 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2425 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2427 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2428 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2431 2006-04-07 Jan Hubicka <jh@suse.cz>
2433 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2435 2006-04-07 Richard Guenther <rguenther@suse.de>
2437 PR tree-optimization/26135
2438 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2439 loads for store copy-prop.
2440 (copy_prop_visit_stmt): Likewise.
2442 2006-04-05 Robert Millan <robertmh@gnu.org>
2444 * config/i386/linux.h: Add a comment to mark macros that are
2445 being overriden in config/k*bsd-gnu.h.
2446 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2448 * config/knetbsd-gnu.h: Ditto.
2450 2006-04-06 Jan Hubicka <jh@suse.cz>
2454 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2457 2006-04-06 Mike Stump <mrs@apple.com>
2459 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2460 for HAVE_nonlocal_goto to be consistent.
2461 (expand_builtin_nonlocal_goto): Likewise.
2462 (expand_builtin_strcmp): Use #ifdef instead of #if
2463 for HAVE_cmpstrnsi to be consistent.
2465 2006-04-05 DJ Delorie <dj@redhat.com>
2467 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2470 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2472 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2473 got-relative addressing for anything but SImode.
2475 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2476 even if the calling function doesn't modify them.
2478 2006-04-05 Richard Guenther <rguenther@suse.de>
2480 PR tree-optimization/26919
2481 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2482 to cgraph_estimate_size_after_inlining.
2484 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2486 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2488 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2490 PR tree-optimization/26996
2491 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2492 VECTOR_TYPE variables.
2494 2006-04-05 Richard Guenther <rguenther@suse.de>
2496 PR tree-optimization/26763
2497 * fold-const.c (fold_comparison): Move folding of
2498 PTR + CST CMP PTR + CST ...
2499 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2501 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2503 * doc/install.texi (Prerequisites): Refine some wording on
2504 bootstrapping and ksh.
2505 Move the version numbers of DejaGnu here from the testing section
2506 and fix casing of names.
2507 Fix markup and clarify wording for autogen requirements.
2508 Refer to GCJ instead of just java.
2509 Refer to SVN instead of CVS.
2510 Describe diffutils as useful instead of necessary.
2511 (Downloading the source): Refer to SVN instead of CVS.
2512 Adjust a link to our web site accordingly.
2513 (Configuration): Fix casing of Bison.
2514 (Building): Refer to SVN instead of CVS.
2515 Fix a sentence on the use of Bison and remove duplicate (and
2516 incorrect) version number of Bison requirement.
2517 Remove one redundant list of packages needed for building.
2518 (Specific): Avoid reference to CVS.
2520 2006-04-04 Eric Christopher <echristo@apple.com>
2522 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2523 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2524 (rs6000_handle_struct_attribute): New.
2525 (rs6000_ms_bitfield_layout_p): Ditto.
2527 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2529 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2530 NULL for dso parameter to atexit_common.
2532 2006-04-04 Eric Christopher <echristo@apple.com>
2534 * config/i386/i386.c (machopic_output_stub): Output \t
2535 between instructions and operands.
2537 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2539 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2540 satisfies_constraint_[IL] to explicit tests on value.
2542 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2544 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2545 set_nb_iterations_in_loop): Use build_int_cst instead of
2547 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2548 build_int_cst instead of convert.
2550 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2552 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2553 new value 2 for incoming.
2554 * function.c (expand_function_start): Call struct_value_rtx
2556 * config/sparc/sparc.md: Comment updated_return.
2557 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2558 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2559 struct return if sparc_std_struct_return and incoming is 2.
2560 (print_operand): Do not adjust return if
2561 sparc_std_struct_return.
2563 2006-04-04 Roger Sayle <roger@eyesopen.com>
2565 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2566 convert in the middle-end.
2567 * expr.c (store_expr, store_constructor, get_inner_reference,
2568 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2570 * tree.c (build_range_type): Likewise.
2572 2006-04-04 Tom Tromey <tromey@redhat.com>
2574 * doc/install.texi (Prerequisites): Mention jar.
2576 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2578 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2581 2006-04-04 Matthias Klose <doko@debian.org>
2583 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2584 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2587 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2589 * doc/extend.texi (Function Attributes): Rewrite visibility
2590 attribute documentation.
2591 * doc/invoke.texi (C++ Dialect Options): Rewrite
2592 -fvisibility-inlines-hidden documentation to describe something
2593 entirely different, although in practise compatible.
2594 (Code Gen Options): Warn about system headers in -fvisibiltity=
2597 * doc/extend.texi (Other Builtins): Document that
2598 __builtin_nan is a compile-time constant only when its argument
2601 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2603 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2604 trying to remove TRUNCATE check if all bits outside the new mode
2605 are identical to the sign bit.
2607 2006-04-03 Jeff Law <law@redhat.com>
2609 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2610 and operand scanning in some common cases.
2612 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2613 Dale Johannesen <dalej@apple.com>
2616 * regclass.c (struct reg_pref): Update documentation.
2617 (regclass): Set prefclass to NO_REGS if memory is the best option.
2618 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2619 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2620 into account. For non-registers, equate an empty preferred
2621 reload class to a `!' in the constraint; move the if clause to
2622 do so after those that reject the insn.
2623 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2625 (find_dummy_reload): Likewise.
2626 * doc/tm.texi (Register Classes): Document what it means
2627 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2628 * config/i386/i386.c (ix86_preferred_reload_class): Force
2629 using SSE registers (and return NO_REGS for floating-point
2630 constants) if math is done with SSE.
2631 (ix86_preferred_output_reload_class): New.
2632 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2633 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2634 * config/i386/i386.md: Remove # register preferences.
2636 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2639 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2640 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2641 the type of nb_iter.
2642 (instantiate_parameters_1): Convert the operands before calling
2643 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2644 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2646 2006-04-02 Roger Sayle <roger@eyesopen.com>
2648 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2649 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2651 * dojump.c (do_jump): Likewise.
2652 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2653 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2654 gimplify_boolean_expr): Likewise.
2655 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2656 * varasm.c (array_size_for_constructor): Likewise.
2657 * tree-object-size.c (compute_object_offset): Likewise.
2659 2006-04-02 Roger Sayle <roger@eyesopen.com>
2662 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2663 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2665 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2667 PR tree-optimization/26939
2668 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2670 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2672 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2673 at_stmt. Convert the type of operands before calling
2674 build_polynomial_chrec.
2675 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2677 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2678 (instantiate_parameters_1): Convert the type of operands before calling
2679 build_polynomial_chrec.
2680 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2681 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2682 reset_evolution_in_loop): Insert asserts to check the types of the
2684 (chrec_type): Moved...
2685 (eq_evolutions_p): Use operand_equal_p.
2686 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2687 the types of the operands.
2688 (chrec_type): ...here.
2689 * tree-data-ref.c (create_data_ref): Convert the operands before
2690 calling chrec_replace_initial_condition.
2691 (same_access_functions, analyze_subscript_affine_affine,
2692 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2693 (compute_subscript_distance, analyze_ziv_subscript,
2694 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2695 analyze_miv_subscript): Convert the operands before calling
2696 chrec_fold_minus or chrec_fold_plus.
2698 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2700 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2701 the dependence_relations vector.
2702 (compute_data_dependences_for_loop): Adjust call to
2703 compute_all_dependences.
2705 2006-04-01 Roger Sayle <roger@eyesopen.com>
2706 Richard Henderson <rth@redhat.com>
2708 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2709 gimple_boolify on the condition before calling gimplify_expr.
2711 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2713 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2714 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2715 the frame size. Update to use the new macros.
2716 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2717 * config/xtensa/ieee754-df.S: Likewise.
2719 2006-03-31 Richard Henderson <rth@redhat.com>
2721 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2722 (make_edges): ... here. Control fallthru creation with a local
2723 variable. Do not play with fake edges.
2724 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2725 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2728 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2730 * dwarf2.h (DW64_CIE_ID): Define.
2731 * dwarf2out.c (DWARF_CIE_ID): Define.
2732 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2733 length header. Use DWARF_CIE_ID.
2734 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2735 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2737 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2739 * config/sh/linux-atomic.asm: New file.
2740 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2742 2006-03-31 DJ Delorie <dj@redhat.com>
2744 * config/m32c/cond.md: Set condition flags properly throughout.
2745 * config/m32c/minmax.md: Likewise.
2746 * config/m32c/prologue.md: Likewise.
2747 * config/m32c/bitops.md: Likewise.
2748 * config/m32c/muldiv.md: Likewise.
2749 * config/m32c/mov.md: Likewise.
2750 * config/m32c/addsub.md: Likewise.
2751 * config/m32c/m32c.md: Likewise.
2752 * config/m32c/jump.md: Likewise.
2753 * config/m32c/shift.md: Likewise.
2755 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2756 conditionally output the pattern for this.
2757 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2758 (m32c_compare_redundant): New.
2759 (m32c_output_compare): New.
2760 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2762 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2763 dest, not src. Allow other 4-byte modes.
2765 2006-03-30 Denis Chertykov <denisc@overta.ru>
2767 * doc/md.texi: Refer to avr/constraints.md instead of
2770 2006-03-30 Roger Sayle <roger@eyesopen.com>
2772 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2773 signed vs. unsigned comparison failures on some hosts.
2775 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2778 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2779 change to FLOAT_REGS.
2781 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2782 (rs6000_override_options): Use it.
2783 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2784 only for -mabi=spe/no-spe and -mabi=altivec.
2786 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2788 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2791 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2793 * Makefile.in: Rename docdir to gcc_docdir.
2795 2006-03-30 Roger Sayle <roger@eyesopen.com>
2798 * expr.c (emit_group_store): Optimize group stores into a pseudo
2799 register by using a paradoxical subreg to initialize the destination
2800 if the first or last member of the group specifies a "low part".
2802 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2805 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2806 * target.h (struct gcc_target.speculate_insn): Change type of the
2807 second parameter to 'int'.
2808 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2809 the second operand of the DEPS_LIST.
2810 (copy_DEPS_LIST_list): Update reference to the second operand of the
2812 * rtl.h (alloc_DEPS_LIST): Update signature.
2813 * sched-int.h (ds_t): Change typedef to 'int'.
2814 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2816 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2818 * haifa-sched.c (try_ready): Change condition to restore
2819 non-speculative pattern of the instruction.
2820 (process_insn_depend_be_in_spec): Code to keep probability of the
2821 speculative dependence non-decreasing.
2823 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2825 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2826 (single_move_for_movmem): ... this. Also change all uses.
2827 (bfin_expand_strmov): Renamed to...
2828 (bfin_expand_movmem): ... this. Also change all uses.
2829 * config/bfin/bfin.md (movstrsi): Renamed to...
2830 (movstrsi): ...this.
2832 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2834 PR tree-optimization/26830
2836 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2837 (copy_prop_visit_stmt): Remove write-only variable ann.
2838 (init_copy_prop): Check variable loop depth here. Do not simulate
2839 memory-tag and virtual operand PHIs except for store copy prop.
2841 2006-03-30 Richard Guenther <rguenther@suse.de>
2843 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2844 variants with double arguments.
2846 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2848 * genpreds.c (write_tm_constrs_h): Delete variable p.
2849 * genconditions.c (write_header): Add tm-constrs.h to included
2851 * genpeep.c (main): Add toplev.h to included headers.
2852 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2853 (build/genpeep.o): Add toplev.h dependency.
2854 * config/rs6000/constraints.md: Add "W" constraint.
2856 2006-03-29 Roger Sayle <roger@eyesopen.com>
2858 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2859 sizes by correctly testing whether the size fits a host integer.
2860 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2861 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2862 SImode range for the default sizetype and bitsizetype.
2864 2006-03-29 Roger Sayle <roger@eyesopen.com>
2866 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2867 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2868 quickly if the argument is already of the correct type.
2869 Call fold_build1 instead of build1. Tidy up blank lines.
2871 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2873 * genemit.c (main): Add tm-constrs.h to included headers.
2874 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2875 * genpeep.c (main): Add tm-constrs.h to included headers.
2876 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2877 (write_tm_constrs_h): this and write complete file.
2878 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2879 (write_insn_preds_c): Add tm-constrs.h to included headers.
2880 (gen_constrs): New variable.
2881 (parse_option): Parse "-c".
2882 (main): Invoke write_tm_constrs_h.
2883 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2884 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2885 (object_out_file): Add tm-constrs.h dependency.
2886 (insn-emit.o): Same.
2887 (insn-output.o): Same.
2888 (insn-peep.o): Same.
2889 (insn-preds.o): Same.
2890 (insn-recog.o): Same.
2891 (tm-constsr.h): New target.
2892 (s-constrs-h): New target.
2894 * config/rs6000/constraints.md: New file.
2895 * config/rs6000/rs6000.c: Include tm-constrs.h.
2896 (num_insn_constant_wide): Convert to satisfies_constraint.
2897 (rs6000_rtx_costs): Convert to satisfies_constraint.
2898 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2899 (CONST_OK_FOR_LETTER_P): Delete.
2900 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2901 (EXTRA_CONSTRAINT): Delete.
2902 (EXTRA_MEMORY_CONSTRAINT): Delete.
2903 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2904 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2905 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2906 satisfies_constraint.
2908 * config/i386/i386.c: Include tm-constrs.h.
2910 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2912 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2913 * tree-data-ref.c (find_data_references_in_loop,
2914 compute_data_dependences_for_loop): Use pointers to VEC.
2915 (analyze_all_data_dependences): Adjust calls.
2916 * tree-data-ref.h (find_data_references_in_loop,
2917 compute_data_dependences_for_loop): Adjust declarations.
2918 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2919 compute_data_dependences_for_loop.
2921 2006-03-29 Paul Brook <paul@codesourcery.com>
2923 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2926 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2928 PR tree-optimization/26859
2929 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2931 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2932 for the step after fold_convert.
2934 2006-03-29 Paul Brook <paul@codesourcery.com>
2936 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2937 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2939 2006-03-29 Paul Brook <paul@codesourcery.com>
2942 * targhooks.c (default_narrow_bitfield): New fuction.
2943 * targhooks.h (default_narrow_bitfield): add prototype.
2944 * target.h (gcc_target): Add narrow_volatile_bitfield.
2945 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2946 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2947 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2948 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2950 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2952 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2954 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2955 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2956 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2957 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2958 (s390_function_arg_float): Allow SDmode and DDmode values to be
2959 passed in floating point registers.
2960 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2961 check with SCALAR_FLOAT_MODE_P.
2962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2964 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2966 PR tree-optimization/25985
2967 * tree-ssa-loop-niter.c (number_of_iterations_le,
2968 number_of_iterations_ne): Make comments more precise.
2969 (number_of_iterations_cond): Add only_exit argument. Use the
2970 fact that signed variables do not overflow only when only_exit
2972 (loop_only_exit_p): New.
2973 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2974 number_of_iterations_cond.
2976 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2978 PR tree-optimization/26643
2979 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2982 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2984 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2985 (divsi3_i4_int): Likewise.
2987 2006-03-28 Roger Sayle <roger@eyesopen.com>
2989 * expr.c (emit_group_store): Only create a new pseudo reg if the
2990 quantity it needs to hold isn't already a suitable pseudo.
2992 2006-03-28 Jeff Law <law@redhat.com>
2994 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2995 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2997 2006-03-28 Roger Sayle <roger@eyesopen.com>
2999 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3000 the equivalent ~X & Y, and the symmetry related transformations.
3001 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3002 ~X & Y, and symmetry related transforms.
3004 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3006 Revert my 2006-03-27 patches.
3008 2006-03-28 Roger Sayle <roger@eyesopen.com>
3010 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3011 ~(T1)X, when T1 and T2 are integer types of the same precision
3012 and (T2)X isn't an extension.
3014 2006-03-28 Jeff Law <law@redhat.com>
3016 PR tree-optimization/26796
3017 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3018 need EH edge cleanups rather than purging them immediately.
3019 (eliminate_degenerate_phis): Handle queued EH cleanups.
3021 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3023 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3026 2006-03-27 Roger Sayle <roger@eyesopen.com>
3029 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3030 cast BIT_NOT_EXPR operand to the correct type.
3032 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3034 * tree-loop-linear.c: Don't include varray.h.
3035 (gather_interchange_stats, try_interchange_loops,
3036 linear_transform_loops): Use VEC instead of VARRAY.
3037 * lambda-mat.c: Don't include varray.h.
3038 * tree-chrec.c: Same.
3039 * lambda-trans.c: Same.
3040 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3041 VEC instead of VARRAY.
3042 * tree-vectorizer.h: Idem.
3043 * tree-data-ref.c (dump_data_references,
3044 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3045 initialize_data_dependence_relation, finalize_ddr_dependent,
3046 compute_all_dependences, find_data_references_in_loop,
3047 compute_data_dependences_for_loop, analyze_all_data_dependences,
3048 free_dependence_relation, free_dependence_relations,
3049 free_data_refs): Idem.
3050 * tree-data-ref.h (data_reference_p, subscript_p): New.
3051 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3052 VEC instead of VARRAY.
3053 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3054 (find_data_references_in_loop, compute_data_dependences_for_loop,
3055 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3056 dump_data_dependence_relations, free_dependence_relations,
3057 free_data_refs): Adjust declaration.
3058 (lambda_transform_legal_p): Move declaration here...
3059 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3060 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3061 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3062 vect_analyze_data_refs): Use VEC instead of VARRAY.
3063 * lambda.h (lambda_transform_legal_p): ...from here.
3064 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3065 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3066 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3067 tree-chrec.o): Don't depend on VARRAY_H.
3069 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3071 * rtl.def (Copyright): Update date.
3072 (DEPS_LIST): Change type of the second operand to 'int'.
3073 * target.h (Copyright): Update date.
3074 (struct gcc_target.speculate_insn): Change type of the second parameter
3076 * lists.c (Copyright): Update date.
3077 (alloc_DEPS_LIST): Change signature. Update reference to the second
3078 operand of the DEPS_LIST.
3079 (copy_DEPS_LIST_list): Update reference to the second operand of the
3081 * rtl.h (Copyright): Update date.
3082 (alloc_DEPS_LIST): Update signature.
3083 * sched-int.h (Copyright): Update date.
3084 (ds_t): Change typedef to 'int'.
3085 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3087 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3089 * haifa-sched.c (Copyright): Update date.
3090 (try_ready): Change condition to restore non-speculative pattern
3092 (process_insn_depend_be_in_spec): Code to keep probability of the
3093 speculative dependence non-decreasing.
3095 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3097 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3098 shut up the compiler.
3100 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3102 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3103 to use lib prefix for target.
3104 ($(T)libic_invalidate_array_4-200.a): Likewise.
3105 ($(T)libic_invalidate_array_4a.a): Likewise.
3107 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3108 J"orn Rennecke <joern.rennecke@st.com>
3110 * superh.opt: New file.
3111 * sh.c (boardtype, osruntime): Remove.
3112 * superh.h (SUBTARGET_OPTIONS): Remove.
3113 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3115 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3116 arguments with ^ and/or [].
3118 * config.gcc (sh-*-*): Add quoting to account for quirk of
3120 Replace == with = in enable_incomplete_targets test.
3122 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3123 with MASK_LITTLE_ENDIAN.
3125 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3126 * config/sh/sh.opt: Added to some comments.
3127 * config/sh/superh.h: Removed some chaff.
3129 * config/sh/sh.opt: Add m4-[1234]00* options.
3130 * config/sh/sh.c (sh_handle_option): Likewise.
3131 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3132 (ic_invalidate_array_4-100.o): New rule.
3133 ($(T)libic_invalidate_array_4-100.a): Likewise.
3134 (ic_invalidate_array_4-200.o): Likewise.
3135 ($(T)libic_invalidate_array_4-200.a): Likewise.
3136 (ic_invalidate_array_4a.o): Likewise.
3137 ($(T)libic_invalidate_array_4a.a): Likewise.
3138 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3139 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3141 * config/sh/crt1.asm: Merged in profiling code.
3142 * config/sh/superh.h (STARTFILE_SPEC): Override.
3143 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3144 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3145 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3147 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3148 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3149 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3151 * sh.opt (mpretend-cmove): New option.
3152 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3153 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3154 (movsicc): Add TARGET_PRETEND_CMOVE code.
3156 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3158 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3159 s390_class_max_nregs): New function prototypes.
3160 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3161 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3162 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3163 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3165 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3167 * dwarf2out.c (add_location_or_const_value_attribute): Call
3168 tree_add_const_value_attribute if nothing else works.
3169 (reference_to_unused): New.
3170 (rtl_for_decl_init): Use reference_to_unused to decide whether
3171 to output an initializer.
3173 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3176 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3177 peephole removing spe frob_di_df_2.
3179 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3181 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3182 (subscript_dependence_tester_1): Declared.
3183 (print_dir_vectors, print_dist_vectors): New.
3184 (debug_data_dependence_relation): New.
3185 (dump_data_dependence_relation): Print more details.
3186 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3187 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3188 (save_dist_v, save_dir_v, add_outer_distances,
3189 build_classic_dist_vector_1): New.
3190 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3191 Don't test for lambda_vector_lexico_pos.
3192 (same_access_functions, add_multivariate_self_dist,
3193 add_other_self_distances, dir_from_dist): New.
3194 (build_classic_dir_vector): Replace implementation almost identical to
3195 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3197 (subscript_dependence_tester_1): New.
3198 (subscript_dependence_tester): Handle the lexicographically negative
3199 distance vectors by recomputing the dependence relation.
3200 (compute_affine_dependence): Remove parameter loop_nest_depth.
3201 (compute_self_dependence): Don't call compute_subscript_distance.
3202 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3203 Add a parameter for the loop_nest.
3204 (find_loop_nest_1, find_loop_nest): New.
3205 (compute_data_dependences_for_loop): Compute the loop nest, and give
3206 up if the nest is not well formed.
3207 * tree-data-ref.h (loop_p): New.
3208 (struct data_dependence_relation): Replace size_vect field with
3209 loop_nest, a vec of loops.
3210 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3211 (DDR_LOOP_NEST): New.
3212 (print_dir_vectors, print_dist_vectors,
3213 debug_data_dependence_relation): Declared.
3214 (index_in_loop_nest): New.
3215 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3216 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3219 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3221 * simplify-rtx.c (simplify_relational_operation): Call
3222 simplify_relational_operation_1 even if mode is VOIDmode.
3224 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3226 PR tree-optimization/26804
3227 * tree.h (DECL_CALL_CLOBBERED): New macro.
3228 (tree_decl_common): Add call_clobbered_flag.
3229 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3230 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3231 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3232 (mark_non_addressable): Ditto.
3233 * tree-ssa.c (verify_call_clobbered): New function.
3234 (verify_alias_info): Use it.
3235 * tree-pass.h (pass_reset_cc_flags): New prototype.
3236 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3237 (reset_cc_flags): New function.
3238 * passes.c (init_optimization_passes): Call reset_cc_flags after
3239 initializing referenced_vars.
3241 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3242 Roger Sayle <roger@eyesopen.com>
3245 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3246 to 1.0 for non-real operands. Implement A / A optimization for
3249 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3251 * config/i386/i386.c (size_cost): Correct the comment for
3252 cost of storing fp registers.
3253 (i386_cost): Likewise.
3254 (i486_cost): Likewise.
3255 (pentium_cost): Likewise.
3256 (pentiumpro_cost): Likewise.
3257 (k6_cost): Likewise.
3258 (athlon_cost): Likewise.
3259 (k8_cost): Likewise.
3260 (pentium4_cost): Likewise.
3261 (nocona_cost): Likewise.
3262 (generic64_cost): Likewise.
3263 (generic32_cost): Likewise.
3265 2006-03-24 Denis Chertykov <denisc@overta.ru>
3267 * config/avr/avr-protos.h (extra_constraint): Delete.
3268 (extra_constraint_Q): New declaration.
3269 * config/avr/constraints.md: New file.
3270 * config/avr/avr.md: Include it.
3271 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3272 (TMP_REGNO, ZERO_REGNO): Likewise.
3273 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3274 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3275 (extra_constraint): Delete.
3276 (extra_constraint_Q): Test for memory constraint 'Q'.
3277 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3278 (REG_CLASS_FROM_LETTER): Delete.
3279 (CONST_OK_FOR_LETTER_P): Delete.
3280 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3281 (EXTRA_CONSTRAINT): Delete.
3282 (TMP_REGNO): Delete.
3283 (ZERO_REGNO): Delete.
3285 2006-03-24 Jeff Law <law@redhat.com>
3287 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3288 directly. Call mark_new_vars_to_rename slightly earlier.
3290 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3292 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3294 (gen_compile_unit_die): Use new language types for Objective-C and
3296 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3297 DW_LANG_C_plus_plus.
3300 * config/t-darwin (crt3.o): Work around bug 26840.
3301 * config/darwin-crt3.c: Rewrite.
3302 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3304 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3306 * doc/invoke.texi: Document -femit-class-debug-always
3307 * common.opt: Add -femit-class-debug-always.
3309 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3311 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3312 index and base register.
3313 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3314 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3315 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3316 REGNO_OK_FOR_INDEX_P.
3317 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3319 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3320 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3321 REG_OK_FOR_BASE_P): Definitions removed.
3323 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3326 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3327 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3328 set yet or weren't marked as local yet.
3330 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3332 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3335 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3337 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3338 (rs6000_legitimate_small_data_p): Delete.
3339 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3340 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3341 and make static. Add forward declaration. Update uses.
3342 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3343 of offsettable_memref_p.
3344 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3345 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3347 2006-03-24 Jeff Law <law@redhat.com>
3349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3350 around bug in immediate-use iterator.
3352 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3355 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3356 or __LITTLE_ENDIAN__.
3358 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3360 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3361 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3362 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3363 * config/sh/sh.opt (mdiv=): Amend description.
3364 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3365 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3366 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3367 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3368 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3369 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3370 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3371 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3372 TARGET_DIVIDE_CALL_FP.
3374 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3376 * haifa-sched.c (choose_ready): Fix type of the local variable.
3377 Move local variables. Add comment.
3378 (check_reg_live): Change signature. Make callable from debugger.
3379 * sched-int.h (check_reg_live): Update signature.
3380 * sched-ebb.c (check_reg_live): Update parameters.
3381 * sched-rgn.c (check_reg_live): Ditto.
3382 (region_head_or_leaf_p): Check pointer before dereferencing.
3383 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3384 before reload on optimization levels below 1.
3386 2006-03-23 Richard Henderson <rth@redhat.com>
3388 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3392 * config/alpha/predicates.md (local_symbolic_operand): Reject
3395 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3398 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3399 expressions which have overflowed constants.
3401 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3403 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3405 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3407 * cfgloopmanip.c (create_loop_notes): Removed.
3408 * final.c (final_scan_insn): Do not handle loop notes.
3409 * jump.c (squeeze_notes): Ditto.
3410 * cfglayout.c (skip_insns_after_block,
3411 duplicate_insn_chain): Ditto.
3412 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3414 * cfgloop.h (create_loop_notes): Declaration removed.
3416 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3418 * varasm.c (output_constant_pool): Restore fnname and fndecl
3420 (assemble_start_function): Adjust call accordingly.
3421 (assemble_end_function): Likewise.
3423 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3426 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3429 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3431 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3434 * system.h (ICE_EXIT_CODE): New macro.
3435 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3436 (diagnostic_action_after_output): Likewise.
3437 * gcc.c (fatal_ice): New function.
3438 (execute): Use it instead of fatal.
3439 (fancy_abort): Likewise.
3440 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3442 2006-03-22 Jeff Law <law@redhat.com>
3444 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3445 iv_analyze_result returning false.
3447 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3449 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3451 2006-03-22 Richard Henderson <rth@redhat.com>
3454 * except.c (duplicate_eh_regions_0): New.
3455 (duplicate_eh_region_1): Duplicate the children of the node as
3456 well as the node itself. Link them up properly.
3457 (duplicate_eh_region_2): Merge into ...
3458 (duplicate_eh_regions): ... here. Take copy_region argument, and
3459 copy only a sub-tree if asked. Simplify copying and fixup.
3460 (eh_region_outer_p): New.
3461 * except.h (duplicate_eh_regions): Update decl.
3462 (eh_region_outer_p): Declare.
3463 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3464 (lower_omp_master): Likewise.
3465 (lower_omp_ordered): Likewise.
3466 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3467 (move_stmt_r): Use it to remap labels. Handle recursion vs
3468 remap_decls_p properly.
3469 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3470 (find_outermost_region_in_block): New.
3471 (new_label_mapper): New.
3472 (move_sese_region_to_fn): Copy eh information to the new function
3474 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3476 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3479 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3481 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3482 into shared libraries.
3484 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3486 * doc/md.texi: Refer to i386/constraints.md instead of
3488 * config/i386/constraints.md: New file, extracted from...
3489 * config/i386/predicates.md: ...here.
3490 * config/i386/i386.md: Include constraints.md.
3492 2006-03-21 Jason Merrill <jason@redhat.com>
3494 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3497 * expr.c (init_block_move_fn): Force default visibility.
3498 (init_block_clear_fn): Likewise.
3499 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3500 * targhooks.c (default_external_stack_protect_fail): Likewise.
3502 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3504 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3505 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3506 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3507 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3508 (loadgp): Use mips_current_loadgp_style.
3509 (loadgp_noshared): New pattern.
3510 (sibcall_internal): Use MIPS_CALL.
3511 (sibcall_value_internal): Likewise.
3512 (sibcall_value_multiple_internal): Likewise.
3513 (call_internal): Likewise.
3514 (call_value_internal): Likewise.
3515 (call_value_multiple_internal): Likewise.
3516 (call_split): Use MIPS_CALL and add an 'S' constraint.
3517 (call_value_split): Likewise.
3518 (call_value_multiple_split): Likewise.
3519 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3520 (-mshared): New option.
3521 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3522 (mips_current_loadgp_style): Declare.
3523 * config/mips/mips.c (mips_classify_symbol): Avoid using
3524 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3525 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3526 TARGET_ABSOLUTE_ABICALLS.
3527 (override_options): Adjust comments. Improve the warning that is
3528 issued when -mabicalls and -G are used together.
3529 (mips_file_start): Remove comment.
3530 (mips_current_loadgp_style): New function.
3531 (mips_gnu_local_gp): New variable.
3532 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3534 (mips_output_function_prologue): Use mips_current_laodgp_style.
3535 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3536 the cprestore instruction.
3537 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3538 live for TARGET_ABSOLUTE_ABICALLS.
3539 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3540 (ASM_SPEC): Pass down -mshared and -mno-shared.
3541 (MIPS_CALL): New macro.
3542 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3544 * doc/invoke.texi (-mabicalls): Update documentation.
3545 (-mshared): Document.
3547 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3549 * config/ia64/unwind-hpux.c: New file.
3550 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3552 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3555 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3557 2006-03-21 Jeff Law <law@redhat.com>
3559 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3560 type conversions of a VR_VARYING source to a wider type.
3562 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3564 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3565 tm_file on Solaris 10 and later.
3566 (sparc64-*-solaris2*): Likewise.
3567 (sparc-*-solaris2*): Likewise.
3568 * config/sol26.h: Rename to config/sol2-6.h.
3569 * config/sol2-10.h: New file.
3571 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3574 * tree-ssa-pre.c (create_component_ref_by_pieces):
3577 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3580 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3581 return it immediately.
3583 2006-03-21 Michael Matz <matz@suse.de>
3585 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3587 (remove_arc, add_arc): Update num_out_arcs member.
3588 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3590 (cache_presence): New function.
3591 (compare_states_for_equiv): New function.
3592 (state_is_differed): Don't take number of outargs, adjust callers.
3593 Use new invariant for speeding up.
3594 (init_equiv_class): Create initial classes based on sorted
3596 (partition_equiv_class): Don't track out_arcs_num.
3597 (evaluate_equiv_classes): Call cache_presence on all states and
3600 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3602 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3603 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3604 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3605 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3607 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3608 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3609 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3610 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3611 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3613 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3614 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3615 (REGNO_REG_CLASS): ARGP is in PREGS.
3616 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3618 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3619 to deal with those addresses.
3620 * addresses.h: New file.
3621 * caller-save.c: Include "addresses.h".
3622 (init_caller_save): Use new base_reg_class function.
3623 * rtl-factoring.c: Include "addresses.h".
3624 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3625 * recog.c: Include "addresses.h".
3626 (preprocess_constraints): Use new base_reg_class function.
3627 * regrename.c: Include "addresses.h".
3628 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3629 functions. Keep track of a new var INDEX_CODE to compute valid
3631 (replace_oldest_value_addr): Likewise.
3632 (replace_oldest_value_mem): Use base_reg_class.
3633 * reload.c: Include "addresses.h".
3634 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3635 (find_reloads): Use new base_reg_class function.
3636 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3637 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3638 all callers and prototype changed.
3639 * reload1.c: Include "addresses.h".
3640 (maybe_fix_stack_asms): Use base_reg_class.
3641 * regclass.c: Include "addresses.h".
3642 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3643 (init_reg_autoinc): Use new base_reg_class function.
3644 (record_reg_classes): Likewise.
3645 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3646 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3647 Use new args to compute necessary class.
3649 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3650 regrename.o, rtl-factoring.o): Update dependencies.
3651 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3652 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3653 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3654 REG_OK_FOR_INDEX_P): Delete documentation.
3656 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3658 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3659 from V7 to V9 for Solaris 7 and above.
3661 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3663 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3664 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3665 argument pointers may not alias any other storage.
3666 * common.opt: Define option -fargument-noalias-anything.
3667 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3668 alias semantics is specified by flag_argument_noalias > 2.
3670 2006-03-20 Jeff Law <law@redhat.com>
3672 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3673 (pass_phi_only_cprop): Declare.
3674 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3676 * tree-ssa-dom.c (degenerate_phi_result): New function.
3677 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3678 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3679 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3680 (eliminate_degenerate_phis): Likewise.
3681 (pass_phi_only_cprop): New pass descriptor.
3682 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3683 support code. Callers updated.
3684 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3685 (store_copy_prop): Likewise.
3686 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3688 2006-03-20 Jason Merrill <jason@redhat.com>
3691 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3692 (push_visibility, pop_visibility): Likewise.
3693 * c-pragma.h: Declare them.
3695 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3697 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3699 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3700 parameter and use get_ebb_head_tail.
3701 (sh_md_init_global): Adjust uses of find_regmode_weight.
3703 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3705 * function.h (struct function) <x_tail_recursion_reentry>:
3706 Rename to x_stack_check_probe_note.
3707 (tail_recursion_reentry): Rename to stack_check_probe_note.
3708 * function.c: Replace tail_recursion_reentry with
3709 stack_check_probe_note everywhere.
3710 (expand_function_start): Only emit a note for
3711 stack_check_probe_note with -fstack-protect.
3712 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3714 * emit-rtl.c (remove_unnecessary_notes): Remove.
3715 (pass_remove_unnecessary_notes): Remove.
3716 * rtl.h (remove_unnecessary_notes): Remove prototype.
3717 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3718 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3719 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3721 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3724 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3725 (valid_in_set): Handle ARRAY_REF.
3726 Change "if min_variant or VH" to asserts.
3727 (create_component_ref_by_pieces): Handle ARRAY_REF.
3728 (create_expression_by_pieces): Likewise.
3729 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3731 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3733 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3734 is operand of switch, not str[0].
3736 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3738 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3739 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3741 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3743 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3744 end of insn_extra_address_constraint declaration.
3746 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3748 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3749 (no-sum-in-toc): Same.
3750 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3752 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3753 NO_FP_IN_TOC for -fPIC instead of mask.
3755 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3756 (BOOT_LDFLAGS): Delete.
3758 * config/rs6000/t-aix52: Same.
3760 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3761 (stmsi[345678]_power): New.
3763 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3765 * config/ia64/ia64.opt: Add empty line to end of file.
3767 2006-03-17 Richard Guenther <rguenther@suse.de>
3770 * builtins.c (get_pointer_alignment): For component style references
3771 adjust alignment to the component type alignment. Make sure
3772 to adjust alignment for component access of constants.
3774 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3776 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3779 2006-03-17 Paul Brook <paul@codesourcery.com>
3781 * doc/install.texi: Docuemnt --with-mode.
3782 * config.gcc: Add --with-mode for arm*-*-*.
3783 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3785 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3787 * sh.c (max_labelno_before_reorg): New variable.
3788 (sh_reorg): Initialize it.
3789 (find_barrier): Check max_labelno_before_reorg before using
3790 label_to_alignment. Take length of explicit alignment insns
3791 into account. When seeing a UNSPECV_CONST_END, return it.
3793 * sh.c (fixup_mova): Set mode of affected label to QImode.
3794 (untangle_mova): New function.
3795 (find_barrier): Use it. Check mode of label before decrementing
3797 (sh_reorg): Likewise.
3798 Set mode of all insns back to VOIDmode.
3800 * sh.c (MOVA_LABELREF): New macro.
3801 (mova_p, fixup_mova, sh_reorg): Use it.
3802 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3803 ADDR_DIFF_VEC matches mova.
3805 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3807 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3808 with ATTRIBUTE_UNUSED.
3810 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3812 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3813 pointer, instead of assuming it is possible to derive the
3814 correct args size from a call insn.
3816 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3818 * rtl.h (CONST_INT_P): Define.
3819 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3820 instead of GET_CODE(x) == CONST_INT.
3821 (vax_rtx_costs): Likewise.
3822 (vax_output_int_move): Likewise.
3823 (vax_output_int_add): Likewise.
3824 (legitimate_constant_address_p): Likewise.
3825 (index_term_p): Likewise.
3826 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3827 * config/vax/vax.md (and<mode>3): Likewise.
3828 (ashrsi3): Likewise.
3830 (movstricthi): Likewise.
3831 (movstrictqi): Likewise.
3832 (rotrsi3): Likewise.
3833 (five unnamed insns): Likewise.
3835 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3837 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3838 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3839 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3840 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3841 Pass to ASM_OUTPUT_DWARF_OFFSET.
3842 * dwarf2out.c (debug_frame_section): New.
3843 (output_call_frame_info): Use debug_frame_section. Pass it to
3844 dw2_asm_output_offset.
3845 (output_die): Pass appropriate section to dw2_asm_output_offset.
3846 (output_compilation_unit_header): Likewise.
3847 (output_pubnames): Likewise.
3848 (output_aranges): Likewise.
3849 (enum dw_val_class): Break dw_val_class_lbl_offset into
3850 dw_val_class_lineptr and dw_val_class_macptr.
3851 (add_AT_lbl_offset): Delete.
3852 (add_AT_lineptr): New.
3853 (add_AT_macptr): New.
3854 (AT_lbl): Expect a lineptr or macptr.
3855 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3856 (attr_checksum): Likewise.
3857 (same_dw_val_p): Likewise.
3858 (size_of_die): Likewise.
3859 (value_format): Likewise.
3860 (output_die): Likewise.
3861 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3863 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3864 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3865 * config/darwin-protos.h (darwin_file_start): New.
3866 (darwin_asm_output_dwarf_offset): New.
3867 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3868 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3870 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3871 if not EH section; simplify.
3872 (darwin_file_start): New.
3873 (darwin_asm_output_dwarf_offset): New.
3874 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3876 (DEBUG_INFO_SECTION): Likewise.
3877 (DEBUG_ABBREV_SECTION): Likewise.
3878 (DEBUG_ARANGES_SECTION): Likewise.
3879 (DEBUG_MACINFO_SECTION): Likewise.
3880 (DEBUG_LINE_SECTION): Likewise.
3881 (DEBUG_LOC_SECTION): Likewise.
3882 (DEBUG_PUBNAMES_SECTION): Likewise.
3883 (DEBUG_STR_SECTION): Likewise.
3884 (DEBUG_RANGES_SECTION): Likewise.
3885 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3886 (ASM_OUTPUT_DWARF_OFFSET): New.
3888 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3890 * config.gcc (tm_defines): Always add to previous value rather
3893 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3895 * config/mips/predicates.md (splittable_const_int_operand): New,
3896 split from move_operand.
3897 (splittable_symbolic_operand): New.
3898 (move_operand): Add commentary. Use splittable_const_int_operand.
3899 Inline mips_atomic_symbolic_constant_p.
3900 * config/mips/mips.md: Add combine splitters for handling moves
3901 of splittable_const_int_operands and splittable_symbolic_operands.
3902 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3903 (mips_split_symbol): Declare.
3904 (mips_move_integer): Declare.
3905 * config/mips/mips.c (mips_split_p): Make global.
3906 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3907 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3908 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3909 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3910 (mips_offset_within_object_p): Handle block symbols.
3911 (mips_atomic_symbolic_constant_p): Delete.
3912 (mips_cannot_force_const_mem): Return false for constants that
3913 mips_legitimize_move can handle.
3914 (mips_use_blocks_for_constant_p): New function.
3915 (mips_split_symbol): Make global.
3916 (mips_move_integer): Likewise. Add a temporary register argument.
3917 (mips_legitimize_const_move): Use splittable_const_int_operand and
3918 splittable_symbolic_operand.
3919 (mips_use_anchors_for_symbol_p): New function.
3920 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3921 (mips_split_p): Declare.
3923 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3925 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3926 (mips*-*-linux*): Likewise.
3928 2006-03-16 Roger Sayle <roger@eyesopen.com>
3929 Daniel Speyer <dspeyer@wam.umd.edu>
3932 * tree-dump.c (dump_real): New function.
3933 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3934 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3935 (tree-dump.o): Add $(REAL_H) to the dependencies.
3937 2006-03-16 Roger Sayle <roger@eyesopen.com>
3940 * real.c (real_from_string): If the mantissa is zero, don't bother
3941 parsing the exponent as the result should always be zero.
3943 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3945 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3949 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3950 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3951 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3952 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3953 ia64_sched_finish_global): New static functions to implement
3954 hooks from gcc_target.sched.
3955 (spec_check_no, max_uid, pending_data_specs): New static variables.
3956 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3957 ia64_spec_check_src_p): New static functions.
3958 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3959 (TARGET_SCHED_ADJUST_COST): Removed.
3960 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3961 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3962 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3963 TARGET_SCHED_GEN_CHECK,
3964 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3965 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3966 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3967 Fixed to handle speculation checks.
3968 (rtx_needs_barrier): Fixed to handle speculative loads and
3970 (ia64_variable_issue): Added code to count speculative loads and their
3972 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3974 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3976 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3978 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3979 (ia64_reorg): Reset stops_p to NULL after it is freed.
3980 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3981 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3982 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3984 (data_speculative, control_speculative, check_load): New attributes.
3985 (mov<mode>_advanced, mov<mode>_speculative,
3986 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3987 zero_extend<mode>di2_speculative,
3988 zero_extend<mode>di2_speculative_advanced): New patterns for
3989 data and control speculative loads.
3990 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3992 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3993 New pattern for data and control speculation checks.
3994 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3995 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3996 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3997 Auxiliary definitions for the patterns.
3998 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3999 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4001 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4003 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4004 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4005 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4006 New resource constraints.
4007 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4009 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4010 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4011 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4012 msched-in-control-spec, msched-ldc, msched-control-ldc,
4013 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4014 msched-prefer-non-control-spec-insns,
4015 msched-count-spec-in-critical-path): New flags to tune speculative
4017 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4018 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4019 msched-in-control-spec, msched-ldc, msched-control-ldc,
4020 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4021 msched-prefer-non-control-spec-insns,
4022 msched-count-spec-in-critical-path): Document new flags.
4024 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4026 * target.h (struct spec_info_def): New opaque declaration.
4027 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4028 speculate_insn, needs_block_p, gen_check,
4029 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4030 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4031 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4032 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4033 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4034 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4036 (TARGET_SCHED): Use new macros.
4037 * rtl.h (copy_DEPS_LIST_list): New prototype.
4038 * sched-int.h (struct sched_info): Change signature of new_ready field,
4039 adjust all initializations. New fields: add_remove_insn,
4040 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4041 region_head_or_leaf_p.
4042 (struct spec_info_def): New structure declaration.
4043 (spec_info_t): New typedef.
4044 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4045 recovery_block, orig_pat.
4046 (glat_start, glat_end): New variables declaraions.
4047 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4049 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4050 DETACH_LIFE_INFO, USE_GLAT.
4051 (enum SPEC_SCHED_FLAGS): New enumeration.
4052 (NOTE_NOTE_BB_P): New macro.
4053 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4054 attach_life_info, debug_spec_status, check_reg_live): New functions.
4055 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4056 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4058 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4059 * ddg.c (get_block_head_tail): Adjust all uses.
4060 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4061 (sms_sched_info): Initialize new fields.
4062 (contributes_to_priority): Removed.
4063 * haifa-sched.c (params.h): New include.
4064 (get_block_head_tail): Adjust all uses.
4065 (ISSUE_POINTS): New macro.
4066 (glat_start, glat_end): New global variables.
4067 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4068 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4069 old_last_basic_block, before_recovery, current_sched_info_var,
4070 rgn_n_insns, luid): New static variables.
4071 (insn_cost1): New function. Move logic from insn_cost to here.
4072 (find_insn_reg_weight1): New function. Move logic from
4073 find_insn_reg_weight to here.
4074 (reemit_notes, move_insn, max_issue): Change signature.
4075 (move_insn1): Removed.
4076 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4077 extend_bb): New static functions to support extension of scheduler's
4079 (generate_recovery_code, process_insn_depend_be_in_spec,
4080 begin_speculative_block, add_to_speculative_block,
4081 init_before_recovery, create_recovery_block, create_check_block_twin,
4082 fix_recovery_deps): New static functions to support
4083 generation of recovery code.
4084 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4085 restore_bb_notes, move_block_after_check, move_succs): New static
4086 functions to support ebb scheduling.
4087 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4088 functions to support handling of register live information.
4089 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4090 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4091 add_jump_dependencies): New static functions.
4092 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4093 consistancy checking.
4094 (debug_spec_status): New function to call from debugger.
4095 (priority): Added code to handle speculation checks.
4096 (rank_for_schedule): Added code to distinguish speculative instructions.
4097 (schedule_insn): Added code to handle speculation checks.
4098 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4099 Fixed to handle ebbs.
4100 (move_insn): Added code to handle ebb scheduling.
4101 (max_issue): Added code to use ISSUE_POINTS of instructions.
4102 (choose_ready): Added code to choose between speculative and
4103 non-speculative instructions.
4104 (schedule_block): Added code to handle ebb scheduling and scheduling of
4105 speculative instructions.
4106 (sched_init): Initialize new variables.
4107 (sched_finish): Free new variables. Print statistics.
4108 (try_ready): Added code to handle speculative instructions.
4109 * lists.c (copy_DEPS_LIST_list): New function.
4110 * sched-deps.c (extend_dependency_caches): New function. Move logic
4111 from create_dependency_caches to here.
4112 (get_dep_weak, ds_merge): Make global.
4113 * genattr.c (main): Code to output prototype for
4114 dfa_clear_single_insn_cache.
4115 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4116 (output_dfa_clean_insn_cache_func): Code to output
4117 dfa_clear_single_insn_cache function.
4118 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4120 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4122 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4123 New static variables.
4124 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4125 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4127 (ebb_sched_info): Initialize new fields.
4128 (get_block_head_tail): Adjust all uses.
4129 (compute_jump_reg_dependencies): Fixed to use glat_start.
4130 (schedule_ebb): Code to remove unreachable last block.
4131 (schedule_ebbs): Added code to update register live information.
4132 * sched-rgn.c (region_sched_info): Initialize new fields.
4133 (get_block_head_tail): Adjust all uses.
4134 (last_was_jump): Removed. Adjust users.
4135 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4136 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4137 Implement new hooks.
4138 (check_dead_notes1): New static function.
4139 (struct region): New fields: dont_calc_deps, has_real_ebb.
4140 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4141 (BB_TO_BLOCK): Fixed to handle EBBs.
4142 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4143 (ebb_head): New static variable.
4144 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4145 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4147 (compute_dom_prob_ps): New assertion.
4148 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4149 global_live_at_start.
4150 (init_ready_list): New assertions.
4151 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4152 (new_ready): Add support for BEGIN_CONTROL speculation.
4153 (schedule_insns): Fixed code that updates register live information
4155 (schedule_region): Fixed to handle EBBs.
4156 (init_regions): Use extend_regions and check_dead_notes1.
4157 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4158 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4159 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4160 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4161 TARGET_SCHED_GEN_CHECK,
4162 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4163 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4164 * doc/invoke.texi (max-sched-insn-conflict-delay,
4165 sched-spec-prob-cutoff): Document.
4167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4169 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4170 inter_tick, queue_index.
4171 (struct sched_info): Change signature of init_ready_list field.
4172 Adjust all initializations.
4173 (RESOLVED_DEPS): New access macro.
4174 (ready_add): Remove prototype.
4175 (try_ready): Add prototype.
4176 * sched-rgn.c (init_ready_list): Use try_ready.
4177 (schedule_region): Initialize
4178 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4179 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4180 (init_ready_list): Use try_ready.
4181 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4182 * lists.c (remove_list_elem): Remove `static'.
4183 (remove_free_INSN_LIST_elem): New function.
4184 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4185 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4186 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4188 (readyp): New variable.
4189 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4190 change_queue_index, resolve_dep): New static functions.
4191 (try_ready): New function. Adjust callers in sched-rgn.c and
4192 sched-ebb.c to use it instead of ready_add.
4193 (clock_var): Move at the begining of file.
4194 (rank_for_schedule): Fix typo.
4195 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4196 (ready_lastpos): Enforce assertion.
4197 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4199 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4200 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4201 (queue_to_ready): Use free_INSN_LIST_list.
4202 (early_queue_to_ready): Fix typo.
4203 (schedule_block): Init readyp. Move init_ready_list call after the
4204 initialization of clock_var. Fix error in rejecting insn by
4205 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4206 that previously corrected INSN_TICKs. Add code for handling
4208 (set_priorities): Fix typo.
4209 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4210 Clarify comment and code that keeps current_sched_info->next_tail
4213 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4215 * sched-rgn.c (extend_rgns): New static function.
4216 (find_rgns): Use it.
4217 (gather_region_statistics, print_region_statistics): New static
4219 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4220 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4222 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4223 Andrey Belevantsev <abel@ispras.ru>
4225 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4226 * lists.c (unused_deps_list): New variable.
4227 (free_list): Add assertions to verify the proper distinguishing
4228 between INSN_LISTs and DEPS_LISTs.
4229 (find_list_elem, remove_list_elem, remove_list_node): New static
4231 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4232 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4233 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4234 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4236 (free_INSN_LIST_node): Likewise.
4237 * modulo-sched.c (current_sched_info): Initialize flags field.
4238 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4239 * rtl.def (DEPS_LIST): Define.
4240 * rtl.h: Declare new functions from lists.c.
4241 * sched-deps.c (spec_dependency_cache): New static variable.
4242 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4243 (add_dependence): Change return type to void. Move the logic to ...
4244 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4245 (delete_all_dependences): Add comment about forward_dependency_cache.
4246 Handle spec_dependency_cache. Handle DEPS_LISTs.
4247 (fixup_sched_groups): Clarify the change of priority of output
4248 and anti dependencies.
4249 (sched_analyze_2): Adjust add_dependence calls to create data
4250 speculative dependence.
4251 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4252 Adjust all callers. Handle DEPS_LISTS.
4253 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4254 presence of speculation.
4255 (init_dependency_caches, free_dependency_caches):
4256 Handle spec_dependency_cache.
4257 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4258 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4259 New static functions.
4260 (add_or_update_back_dep, add_or_update_back_forw_dep,
4261 add_back_forw_dep, delete_back_forw_dep): New functions.
4262 * sched-int.h (ds_t, dw_t): New typedefs.
4263 (struct sched_info): Add new field flags.
4264 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4265 Prototype new sched-deps.c functions.
4266 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4267 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4268 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4269 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4270 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4271 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4273 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4275 * sched-rgn.c (current_sched_info): Initialize flags field.
4276 (schedule_insns): Initialize current_sched_info before the sched_init
4278 * sched-ebb.c (current_sched_info): Initialize flags field.
4279 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4280 Call add_or_update_back_dep instead of add_dependence.
4281 Create control speculative dependencies.
4282 (schedule_insns): Initialize current_sched_info before the sched_init
4285 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4287 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4289 (sh_fallback_frame_state): Likewise.
4291 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4293 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4294 Do switch on default_use_cxa_atexit.
4295 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4296 * config/darwin-crt3.o: New.
4297 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4298 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4299 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4301 * config/rs6000/t-darwin: Move crt2.o building to here.
4302 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4303 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4306 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4308 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4309 from '! xxx' to '!xxx' for coding-style conformance.
4310 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4311 (EXTRA_CONSTRAINT): Likewise.
4312 * config/vax/vax.md (four unnamed insns): Likewise.
4314 2006-03-15 Paul Brook <paul@codesourcery.com>
4316 * config/arm/arm.c (minipool_pad): New.
4317 (add_minipool_forward_ref): Include pool alignment padding in address
4319 (push_minipool_fix): Set minipool_pad.
4320 (minipool_pad): Ditto.
4322 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4324 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4325 instead of GET_CODE() == MEM and REG_P() instead of
4327 (print_operand_address): Likewise.
4328 (vax_address_cost): Likewise.
4329 (vax_rtx_costs): Likewise.
4330 (vax_notice_update_cc): Likewise.
4331 (vax_output_int_add): Likewise.
4332 (INDEX_REGISTER_P): Likewise.
4333 (BASE_REGISTER_P): Likewise.
4334 (nonindexed_address_p): Likewise.
4335 (vax_mode_dependent_address_p): Likewise.
4336 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4337 (PRINT_OPERAND): Likewise.
4338 * config/vax/vax.md (ashlsi3): Likewise.
4339 (ashlsi3): Likewise.
4340 (some more unnamed insns): Likewise.
4342 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4344 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4345 iterator-style macro.
4346 (mark_control_dependent_edges_necessary): Update the use of
4347 EXECUTE_IF_CONTROL_DEPENDENT.
4349 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4351 * config/sh/predicates.md (cache_address_operand): Special.
4352 (ua_address_operand): Likewise.
4354 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4356 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4358 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4360 2006-03-15 Andreas Schwab <schwab@suse.de>
4362 * gensupport.c (identify_predicable_attribute): Don't free p_false
4363 when it is still in use.
4365 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4367 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4368 the default setting here.
4370 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4372 * tree-pass.h (pass_cfg): Remove.
4373 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4374 * passes.c (pass_cfg): Don't run it.
4376 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4378 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4379 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4381 (stack_regs_mentioned): Update the uses of
4382 stack_regs_mentioned_data. Don't access the array beyond its
4384 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4385 Don't include gt-reg-stack.h.
4387 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4388 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4390 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4393 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4396 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4398 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4400 2006-03-14 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/26672
4403 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4406 2006-03-14 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/26667
4409 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4410 node for the callees. Always allow inlining if it will shrink
4413 2006-03-14 Richard Guenther <rguenther@suse.de>
4416 * builtins.c (get_pointer_alignment): Prefer alignment
4417 information from decls over that from types.
4419 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4422 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4424 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4426 * config/rs6000/rs6000.opt (mdlmzb): New option.
4427 (msched-prolog, msched-epilog): Use Var not Mask.
4428 * doc/invoke.texi (-mdlmzb): Document.
4429 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4431 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4432 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4434 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4436 PR rtl-optimization/25739
4437 * bt-load.c (augment_live_range): Free tos pointer.
4439 * gensupport.c (identify_predicable_attribute): Free
4441 * gcov.c (create_file_names): Free name pointer.
4443 2006-03-13 Roger Sayle <roger@eyesopen.com>
4446 * stmt.c (emit_case_nodes): Handle the case where the index is a
4447 CONST_INT, where the comparison mode is specified by the index type.
4449 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4451 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4454 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4456 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4457 (*branch_fp_inverted): Likewise.
4459 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4462 * omp-low.c (expand_omp_for_generic): Mark istart0
4463 and iend0 as addressable.
4465 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4467 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4469 2006-03-13 Jeff Law <law@redhat.com>
4471 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4472 virtual operands are interesting.
4473 (vrp_visit_stmt): Corresponding changes.
4475 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4477 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4480 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4481 * config/bfin/crti.S: Use it instead of __PIC__.
4482 * config/bfin/crtn.S: Likewise.
4484 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4485 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4487 Lose 'G' modifier for call operand.
4488 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4489 recognize 'G' modifier.
4491 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4494 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4495 * stmt.c (expand_case): Likewise.
4497 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4499 PR rtl-optimization/26254
4500 * loop-invariant.c (seq_insns_valid_p): New function.
4501 (move_invariant_reg): Only emit new code if it is valid.
4503 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4505 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4507 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4508 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4509 (commit_one_edge_insertion): Do not look for loop notes.
4511 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4513 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4514 flag_test_coverage out of loop.
4516 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4518 * final.c (shorten_branches): Remove outdated comment, and turn
4519 the if branch that guards it to continue.
4521 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4523 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4524 * cfgloop.h (struct loop): Remove unused fields.
4526 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4528 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4529 (-dL, -fdump-rtl-loop2): Update the dump file names
4531 * doc/invoke.texi: Update dump file names.
4533 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4535 * predict.c (estimate_probability): Remove.
4536 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4537 * basic-block.h (estimate_probability): Remove prototype.
4538 * passes.c (finish_optimization_passes): Dump branch prediction or
4539 profiling heuristics to the .profile tree dump.
4540 (init_optimization_passes): Unqueue pass_branch_prob.
4542 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4544 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4546 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4547 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4549 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4551 * function.h (frame_offset_overflow): Declare.
4552 * function.c (frame_offset_overflow): New function.
4553 (assign_stack_local_1): Call it to detect that the offset overflows.
4554 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4556 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4558 * config/sh/sh.c: Include alloc-pool.h.
4559 (label_ref_list_pool): New alloc pool.
4560 (label_ref_list_t): New type for lists of labels.
4561 (struct pool_node): Make wend a label_ref_list_t.
4562 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4564 (dump_table): Likewise.
4565 (sh_reorg): Set up the alloc pool before using add_constant and
4566 dump_table, and destroy it when finishing.
4568 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4570 * config/mips/mips.c: Remove redundant comment.
4572 2006-03-10 Jason Merrill <jason@redhat.com>
4575 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4576 the target was declared 'register'.
4578 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4580 * genpreds.c (write_insn_constraint_len): Change definition of
4581 insn_constraint_len to return size_t to match the declaration.
4583 2006-03-10 DJ Delorie <dj@redhat.com>
4585 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4587 (m32c_expand_insv): Fix test for an AND mask.
4589 2006-03-10 Richard Guenther <rguenther@suse.de>
4592 * builtins.c (get_pointer_alignment): Handle component
4593 references for field alignment.
4595 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4597 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4598 when building with libgloss.
4599 (sh*elf): Implement --without-fp option.
4600 (sh64-superh-linux*): Don't multilib.
4602 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4604 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4606 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4608 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4609 Set it when one of the replacement functions returned true.
4610 Return TODO_cleanup_cfg if cfgchanged is true.
4611 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4613 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4615 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4616 instead of gen_lowpart.
4618 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4620 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4622 (mips_output_order_conditional_branch): Declare.
4623 * config/mips/mips.h (MIPS_BRANCH): New macro.
4624 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4625 for the comparison. Use gen_condjump.
4626 (mips_output_conditional_branch): Rework interface to take the
4627 asm templates for a direct branch and the inverse of a direct branch.
4628 (mips_output_order_conditional_branch): New function.
4629 (mips_builtin_branch_and_move): New function.
4630 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4631 branch condition. Use gen_single_cc as the condition for
4632 __builtin_mips_upper_* or __builtin_mips_lower_*.
4633 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4634 Use VOIDmode for the branch condition.
4635 * config/mips/predicates.md (order_operator): New predicate.
4636 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4637 (branch_fp): Rename to...
4638 (*branch_fp): ...this. Remove mode from comparison operator.
4639 Use new mips_output_conditional_branch interface.
4640 (branch_fp_inverted): Rename to...
4641 (*branch_fp_inverted): ...this and update as for *branch_fp.
4642 (*branch_zero<mode>): Rename to...
4643 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4644 Use mips_output_order_conditional_branch. Only accept ordered
4646 (*branch_zero<mode>_inverted): Rename to...
4647 (*branch_order<mode>_inverted): ...this and update as for
4648 *branch_order<mode>.
4649 (*branch_equality<mode>): Accept zero as the second operand to
4650 the equality operator. Use the new mips_output_conditional_branch
4652 (*branch_equality<mode>_inverted): Likewise.
4653 (condjump): New expander.
4654 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4656 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4657 (bc1any2t, bc1any2f): Likewise.
4658 (single_cc): New expander.
4659 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4661 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4663 * doc/md.texi: Update documentation of MIPS constraints.
4664 * config/mips/constraints.md: New file.
4665 * config/mips/mips.md: Include it.
4666 * config/mips/mips.c (mips_char_to_class): Delete.
4667 (override_options): Don't initialize mips_char_to_class.
4668 * config/mips/mips.h (mips_char_to_class): Delete.
4669 (REG_CLASS_FROM_LETTER): Delete.
4670 (CONST_OK_FOR_LETTER_P): Delete.
4671 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4672 (EXTRA_CONSTRAINT_Y): Delete.
4673 (EXTRA_CONSTRAINT_STR): Delete.
4674 (CONSTRAINT_LEN): Delete.
4675 (EXTRA_MEMORY_CONSTRAINT): Delete.
4677 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4679 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4680 original fn's eh regions.
4682 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4684 * fold-const.c (build_range_check): Make sure to use a valid type to
4685 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4688 (range_predecessor): New static function.
4689 (range_successor): Likewise.
4690 (merge_ranges): Use them to compute predecessors and successors of
4693 2006-03-09 Roger Sayle <roger@eyesopen.com>
4696 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4697 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4699 2006-03-08 DJ Delorie <dj@redhat.com>
4701 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4702 (addpsi3): Expand to include memory operands. Remove
4703 reload-specific splits.
4704 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4705 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4706 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4707 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4708 (shift1_qi, shift1_hi, insv): New.
4709 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4710 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4711 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4713 * config/m32c/m32c-protos.h: Update as needed.
4714 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4715 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4716 Fail for unrecognized R* constraints.
4717 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4718 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4719 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4721 (m32c_init_libfuncs): New.
4722 (m32c_legitimate_address_p): Add debug wrapper.
4723 (m32c_rtx_costs): New.
4724 (m32c_address_cost): New.
4725 (conversions): Add 'B' prefix.
4726 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4727 operands, or word regnames for QI operands. 'B' prints bit
4729 (m32c_expand_setmemhi): New.
4730 (m32c_expand_movmemhi): New.
4731 (m32c_expand_movstr): New.
4732 (m32c_expand_cmpstr): New.
4733 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4734 (m32c_expand_neg_mulpsi3): Handle non-ints.
4735 (m32c_cmp_flg_0): New.
4736 (m32c_expand_movcc): New.
4737 (m32c_expand_insv): New.
4738 (m32c_scc_pattern): New.
4739 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4740 a0/a1 out of SIregs.
4741 (STORE_FLAG_VALUE): New.
4742 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4745 * config/m32c/mov.md: Make constraints more liberal.
4746 (zero_extendqihi2): Optimize r0/r1 case.
4747 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4748 * config/m32c/predicates.md (m32c_any_operand): New.
4749 (m32c_nonimmediate_operand): New.
4750 (m32c_hl_operand): New.
4751 (m32c_r3_operand): New.
4754 (memsym_operand): New.
4755 (memimmed_operand): New.
4756 (a_qi_operand): New.
4757 (m32c_eqne_operator): New.
4758 (m32c_1bit8_operand): New.
4759 (m32c_1bit16_operand): New.
4760 (m32c_1mask8_operand): New.
4761 (m32c_1mask16_operand): New.
4762 * config/m32c/blkmov.md: New file.
4763 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4765 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4767 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4768 unsigned to fix signed/unsigned comparison issue in
4769 DWARF2_FRAME_REG_OUT.
4770 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4771 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4773 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4774 of ptr into the ENABLE_CHECKING section.
4776 2006-03-08 Jeff Law <law@redhat.com>
4778 * tree-vrp.c (infer_value_range): Only count pointer uses
4779 and dereferences if -fdelete-null-pointer-checks is enabled.
4781 * tree-vrp.c (find_assert_locations): Infer value ranges for
4782 single use pointers, but do not create ASSERT_EXPRs for them.
4783 When a non-null range is inferred for a pointer, backwards
4784 propagate that range to other equivalent pointers through the
4787 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4790 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4791 language hook targets.
4792 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4793 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4794 if language hook targets were missing.
4796 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4798 * tree-ssa-opfinalize.h: Removed.
4799 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4801 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4802 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4803 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4804 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4805 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4806 finalize_ssa_v_must_def_ops): New.
4808 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4810 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4813 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4815 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4817 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4818 addresses with offsets; reorganize.
4820 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4821 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4822 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4824 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4827 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4829 2006-03-08 Ben Elliston <bje@au.ibm.com>
4831 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4833 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4836 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4839 2006-03-07 Richard Guenther <rguenther@suse.de>
4841 PR tree-optimization/26587
4842 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4844 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4846 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4848 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4850 * hooks.c (hook_bool_mode_rtx_true): New function.
4851 * hooks.h (hook_bool_mode_rtx_true): Declare.
4852 * toplev.c (compile_file): Call output_shared_constant_pool.
4853 * varasm.c (shared_constant_pool): New variable.
4854 (assemble_start_function, assemble_end_function): Remove arguments
4855 from call to output_constant_pool.
4856 (create_constant_pool): New function, split out from...
4857 (init_varasm_status): ...here.
4858 (force_const_mem): Choose between the shared and per-function constant
4859 pools. Set current_function_uses_const_pool when reusing old entries
4860 as well as when creating new ones.
4861 (mark_constant): Ignore data argument.
4862 (mark_constants): Remove pool argument.
4863 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4864 to decide whether the function uses a constant pool.
4865 (output_constant_pool_contents): New function, split out from...
4866 (output_constant_pool): ...here.
4867 (output_shared_constant_pool): New function.
4868 (init_varasm_once): Initialize shared_constant_pool.
4869 * output.h (output_constant_pool): Delete.
4870 (output_shared_constant_pool): Declare.
4871 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4872 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4874 2006-03-06 Nick Clifton <nickc@redhat.com>
4876 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4877 flag_strength_reduce.
4879 2006-03-06 Ben Elliston <bje@au.ibm.com>
4881 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4882 x86_64-*-linux* configurations.
4884 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4885 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4887 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4889 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4891 * basic-block.h: Remove the extern for
4892 rediscover_loops_after_threading.
4894 * cfgloop.c (cancel_loop): Make it static.
4895 * cfgloop.h: Remove the prototype for cancel_loop.
4897 * flow.c (recompute_reg_usage): Make it static.
4898 * rtl.h: Remove the prototype for recompute_reg_usage.
4900 * function.c (use_return_register): Make it static.
4901 * function.h: Remove the prototype.
4903 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4905 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4907 * recog.h: Remove the prototype for
4908 validate_change_maybe_volatile.
4910 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4912 * rtlanal.c (replace_reg): Remove.
4913 * rtl.h: Remove the prototype for replace_reg.
4915 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4917 * regclass.c (reg_scan_update): Remove.
4918 (reg_scan_mark_refs): Remove the last argument.
4919 * rtl.h: Remove the prototype for reg_scan_update.
4921 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4923 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4924 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4925 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4926 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4927 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4928 loop-invariant.c, omp-low.c, opts.c, passes.c,
4929 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4930 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4931 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4932 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4933 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4934 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4936 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4938 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4939 * dwarf2out.h: Remove the prototype for
4940 dwarf2out_add_library_unit_info.
4942 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4944 * tree.c (add_var_to_bind_expr): Remove.
4945 * tree.h: Remove the prototype for add_var_to_bind_expr.
4947 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4949 * regclass.c (n_non_fixed_regs): Remove.
4950 (init_reg_sets_1, globalize_reg): Remove all uses of
4952 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4954 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4956 * rtlanal.c (insns_safe_to_move_p): Remove.
4957 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4959 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4961 * expmed.c (expand_mult_add): Remove.
4962 * expr.h: Remove the prototype for expand_mult_add.
4964 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4966 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4967 and REG_SAVED_VAL_EXP constants.
4968 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4969 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4970 Handle regs stored by value.
4971 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4972 (execute_cfa_program): Handle DW_CFA_val_offset,
4973 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4974 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4975 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4976 (uw_install_context_1): Handle target regs stored by value.
4978 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4980 * tree-sra.c (tree_sra): Return todoflags;
4981 (generate_one_element): Set TODO_update_smt_usage if needed.
4982 (pass_sra): Remove TODO_update_smt_usage.
4983 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4985 (tree_ssa_forward_propagate_single_use_vars): Return
4986 TODO_update_smt_usage if we need to update SMT usage.
4987 (pass_forwprop): Remove TODO_update_smt_usage.
4989 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4991 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4992 (correct_use_link): Remove reference to get_stmt_operands.
4993 (update_stmt_operands): Likewise.
4994 (get_modify_expr_operands): New function factored out of
4995 parse_ssa_operands and get_expr_operands.
4996 Try to create V_MUST_DEFs for LHS by default.
4997 (get_expr_operands) <case MODIFY_EXPR>: Call
4998 get_modify_expr_operands.
4999 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5000 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5001 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5002 get_modify_expr_operands.
5004 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5006 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5007 * tree-flow.h: Remove the prototype for
5008 referenced_var_lookup_if_exists.
5010 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5012 PR rtl-optimization/26345
5014 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5016 2006-03-03 Roger Sayle <roger@eyesopen.com>
5018 PR tree-optimization/26524
5019 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5020 fold_convert to create a constant of the appropriate type.
5022 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5024 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5025 SYMBOL_REF_IN_BLOCK_P.
5026 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5027 of SYMBOL_FLAG_IN_BLOCK.
5028 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5029 instead of SYMBOL_REF_IN_BLOCK_P.
5030 * explow.c (use_anchored_address): Likewise.
5031 * rtl.c (rtx_size): Likewise.
5032 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5033 instead of SYMBOL_FLAG_IN_BLOCK.
5034 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5035 SYMBOL_REF_IN_BLOCK_P.
5036 (assemble_variable): Likewise.
5037 (output_constant_def_contents): Likewise.
5038 (output_constant_pool): Likewise.
5039 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5040 instead of SYMBOL_FLAG_IN_BLOCK.
5041 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5042 SYMBOL_REF_IN_BLOCK_P.
5043 (SYMBOL_REF_BLOCK): Likewise.
5044 (SYMBOL_REF_OFFSET): Likewise.
5045 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5046 SYMBOL_REF_IN_BLOCK_P.
5047 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5048 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5049 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5050 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5052 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5054 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5056 2006-03-02 Roger Sayle <roger@eyesopen.com>
5058 * simplify-rtx.c (simplify_unary_operation): When simplifying
5059 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5060 that we perform the right shift in the appropriate mode, and
5061 then extend or truncate the result to requested mode.
5063 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5065 * gengtype.c (main): Handle double_int type.
5066 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5067 * double-int.c: New file.
5068 * double-int.h: New file.
5069 * system.h: Include doubleint.h.
5070 * Makefile.in (SYSTEM_H): Include double-int.h.
5071 (double-int.o): Add.
5073 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5076 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5079 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5081 * tree-vrp.c (remove_range_assertions): Do not update statements
5084 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5086 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5088 * gcse.c (rest_of_handle_gcse): Ditto.
5089 * except.c (gate_handle_eh): Ditto.
5090 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5091 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5093 2006-03-02 Eric Christopher <echristo@apple.com>
5095 * config/i386/i386.c (machopic_output_stub): Add indirection to
5098 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5102 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5104 Sun Niagara specific optimizations.
5105 * config.gcc: Recognize niagara as target.
5106 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5107 (TARGET_CPU_niagara): Define.
5108 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5109 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5110 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5111 (ASM_CPU_SPEC): Likewise.
5112 (PROCESSOR_NIAGARA): New enum entry.
5113 (REGISTER_MOVE_COST): Handle Niagara.
5114 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5115 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5116 (sparc_override_options): Recognize "niagara", set appropriate
5117 default MASK_* values for it, and align functions to 32-bytes
5118 by default just like ULTRASPARC/ULTRASPARC3.
5119 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5120 (sparc64_initialize_trampoline): Likewise.
5121 (sparc_use_sched_lookahead): Use zero for niagara.
5122 (sparc_issue_rate): Use one for niagara.
5123 * config/sparc/niagara.md: New file.
5124 * config/sparc/sparc.md: Include it.
5125 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5126 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5127 when default cpu is niagara.
5128 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5129 (ASM_CPU_SPEC): Likewise.
5130 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5131 when default cpu is niagara.
5132 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5133 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5134 just like v9/ultrasparc/ultrasparc3.
5135 * doc/invoke.texi: Add documentation for "niagara" and improve
5136 existing documentation for ultrasparc variants.
5138 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5140 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5142 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5144 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5145 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5146 and say that only one is needed.
5147 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5148 * target.h (have_switchable_bss_sections): New hook.
5149 * explow.c (use_anchored_address): Check that the symbol is in a block.
5150 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5151 (bss_noswitch_section): New variables.
5152 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5153 (get_noswitch_section): New function.
5154 (get_block_for_section): Allow SECT to be null.
5155 (unlikely_text_section_p): Use SECTION_STYLE.
5156 (bss_initializer_p): New function.
5157 (get_variable_section): Move earlier in file. Take a new argument,
5158 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5159 Return one of the new *_sections in such cases.
5160 (get_block_for_decl): New function, extracting some logic from
5161 use_blocks_for_decl_p.
5162 (change_symbol_section): Remove in favor of...
5163 (change_symbol_block): ...this new function.
5164 (use_blocks_for_decl_p): Remove checks now performed by
5166 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5167 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5168 (emit_local, emit_bss, emit_common): ...these new functions.
5169 Return true if the alignment was honored.
5170 (emit_tls_common): New function.
5171 (asm_emit_uninitialised): Delete.
5172 (assemble_variable_noswitch): New function, split out from...
5173 (assemble_variable): ...here. Don't make decisions about common
5174 variables here. Globalize all public decls that go into non-common
5175 sections. Check whether SYMBOL_REF_BLOCK is null.
5176 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5177 (output_constant_pool): Likewise.
5178 (init_varasm_once): Initialize the new section variables.
5179 (have_global_bss_p): New function.
5180 (categorize_decl_for_section): Use bss_initializer_p.
5181 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5182 (place_block_symbol): Assert that the symbol must be in a block.
5183 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5184 (TARGET_INITIALIZER): Include it.
5185 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5186 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5187 (SECTION_MACH_DEP): Bump by two.
5188 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5189 (unnamed_section): Mention SECTION_UNNAMED in comment.
5190 (named_section): Likewise SECTION_NAMED.
5191 (noswitch_section_callback): New type.
5192 (noswitch_section): New structure.
5193 (section): Add a noswitch_section alternative.
5194 (SECTION_STYLE): New macro.
5195 (tls_comm_section, comm_section, lcomm_section): Declare.
5196 (bss_noswitch_section, have_global_bss_p): Declare.
5197 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5198 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5200 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5201 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5204 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5206 * tree-vrp.c (execute_vrp): Return value.
5207 * regrename.c (rest_of_handle_regrename): Ditto.
5208 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5209 * tree-complex.c (tree_lower_complex): Ditto.
5210 (tree_lower_complex_O0): Ditto.
5211 * tracer.c (rest_of_handle_tracer): Ditto.
5212 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5213 * postreload.c (rest_of_handle_postreload): Ditto.
5214 * tree-tailcall.c (execute_tail_recursion): Ditto.
5215 (execute_tail_calls): Ditto.
5216 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5217 * tree.h (init_function_for_compilation): Ditto.
5218 * ipa-cp.c (ipcp_driver): Ditto.
5219 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5220 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5221 * final.c (compute_alignments): Ditto.
5222 (rest_of_handle_final): Ditto.
5223 (rest_of_handle_shorten_branches): Ditto.
5224 (rest_of_clean_state): Ditto.
5225 * omp-low.c (execute_expand_omp): Ditto.
5226 (execute_lower_omp): Ditto.
5227 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5228 * ipa-reference.c (static_execute): Ditto.
5229 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5230 * reorg.c (rest_of_handle_delay_slots): Ditto.
5231 (rest_of_handle_machine_reorg): Ditto.
5232 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5233 * flow.c (recompute_reg_usage): Ditto.
5234 (rest_of_handle_remove_death_notes): Ditto.
5235 (rest_of_handle_life): Ditto.
5236 (rest_of_handle_flow2): Ditto.
5237 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5238 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5239 (do_ssa_store_ccp): Ditto.
5240 (execute_fold_all_builtins): Ditto.
5241 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5242 * modulo-sched.c (rest_of_handle_sms): Ditto.
5243 * ipa-pure-const.c (static_execute): Ditto.
5244 * cse.c (rest_of_handle_cse): Ditto.
5245 (rest_of_handle_cse2): Ditto.
5246 * web.c (rest_of_handle_web): Ditto.
5247 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5248 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5249 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5250 * tree-nrv.c (tree_nrv): Ditto.
5251 (execute_return_slot_opt): Ditto.
5252 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5253 (create_structure_vars): Ditto.
5254 * loop-init.c (rtl_loop_init): Ditto.
5255 (rtl_loop_done): Ditto.
5256 (rtl_move_loop_invariants): Ditto.
5257 (rtl_unswitch): Ditto.
5258 (rtl_unroll_and_peel_loops): Ditto.
5259 (rtl_doloop): Ditto.
5260 * gimple-low.c (lower_function_body): Ditto.
5261 (mark_used_blocks): Ditto.
5262 * tree-ssa-sink.c (execute_sink_code): Ditto.
5263 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5264 (cgraph_early_inlining): Ditto.
5265 * global.c (rest_of_handle_global_alloc): Ditto.
5266 * jump.c (cleanup_barriers): Ditto.
5267 (purge_line_number_notes): Ditto.
5268 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5269 (rest_of_handle_if_after_reload): Ditto.
5270 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5271 (tree_ssa_loop_im): Ditto.
5272 (tree_ssa_loop_unswitch): Ditto.
5273 (tree_vectorize): Ditto.
5274 (tree_linear_transform): Ditto.
5275 (tree_ssa_loop_ivcanon): Ditto.
5276 (tree_ssa_empty_loop): Ditto.
5277 (tree_ssa_loop_bounds): Ditto.
5278 (tree_complete_unroll): Ditto.
5279 (tree_ssa_loop_prefetch): Ditto.
5280 (tree_ssa_loop_ivopts): Ditto.
5281 (tree_ssa_loop_done): Ditto.
5282 * predict.c (tree_estimate_probability): Ditto.
5283 * recog.c (split_all_insns_noflow): Ditto.
5284 (rest_of_handle_peephole2): Ditto.
5285 (rest_of_handle_split_all_insns): Ditto.
5286 * tree-eh.c (lower_eh_constructs): Ditto.
5287 * regmove.c (rest_of_handle_regmove): Ditto.
5288 (rest_of_handle_stack_adjustments): Ditto.
5289 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5290 * function.c (instantiate_virtual_regs): Ditto.
5291 (init_function_for_compilation): Ditto.
5292 (rest_of_handle_check_leaf_regs): Ditto.
5293 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5294 (rest_of_handle_gcse): Ditto.
5295 * ipa-type-escape.c (type_escape_execute): Ditto.
5296 * alias.c (rest_of_handle_cfg): Ditto.
5297 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5298 * profile.c (rest_of_handle_branch_prob): Ditto.
5299 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5300 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5301 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5302 * tree-dfa.c (find_referenced_vars): Ditto.
5303 * except.c (set_nothrow_function_flags): Ditto.
5304 (convert_to_eh_region_ranges): Ditto.
5305 (rest_of_handle_eh): Ditto.
5306 * emit-rtl.c (unshare_all_rtl): Ditto.
5307 (remove_unnecessary_notes): Ditto.
5308 * except.h (set_nothrow_function_flags): Ditto.
5309 (convert_to_eh_region_ranges): Ditto.
5310 * cfgexpand.c (tree_expand_cfg): Ditto.
5311 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5312 * tree-ssa-pre.c (do_pre): Ditto.
5313 (execute_fre): Ditto.
5314 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5315 (rest_of_handle_jump2): Ditto.
5316 * tree-sra.c (tree_sra): Ditto.
5317 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5318 (execute_mudflap_function_decls): Ditto.
5319 * tree-ssa-copy.c (do_copy_prop): Ditto.
5320 (do_store_copy_prop): Ditto.
5321 * ipa-prop.h (ipcp_driver): Ditto.
5322 * cfglayout.c (insn_locators_initialize): Ditto.
5323 * tree-ssa-forwprop.c
5324 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5325 * cfglayout.h (insn_locators_initialize): Ditto.
5326 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5327 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5328 (execute_late_warn_uninitialized): Ditto.
5329 * rtl.h (cleanup_barriers): Ditto.
5330 (split_all_insns_noflow): Ditto.
5331 (purge_line_number_notes): Ditto.
5332 (unshare_all_rtl): Ditto.
5333 (remove_unnecessary_notes): Ditto.
5334 (recompute_reg_usage): Ditto.
5335 (variable_tracking_main): Ditto.
5336 * integrate.c (emit_initial_value_sets): Ditto.
5337 * integrate.h (emit_initial_value_sets): Ditto.
5338 * tree-optimize.c (execute_free_datastructures): Ditto
5339 (execute_free_cfg_annotations): Ditto.
5340 (execute_fixup_cfg): Ditto.
5341 (execute_cleanup_cfg_pre_ipa): Ditto.
5342 (execute_cleanup_cfg_post_optimizing): Ditto.
5343 (execute_init_datastructures): Ditto.
5344 * tree-object-size.c (compute_object_sizes): Ditto.
5345 * combine.c (rest_of_handle_combine): Ditto.
5346 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5347 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5348 (rest_of_handle_reorder_blocks): Ditto.
5349 (rest_of_handle_partition_blocks): Ditto.
5350 * var-tracking.c (variable_tracking_main): Ditto.
5351 * tree-profile.c (tree_profiling): Ditto.
5352 * tree-vect-generic.c (expand_vector_operations): Ditto.
5353 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5354 * sched-rgn.c (rest_of_handle_sched): Ditto.
5355 (rest_of_handle_sched2): Ditto.
5356 * basic-block.h (free_bb_insn): Ditto.
5357 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5358 * tree-cfg.c (execute_build_cfg): Ditto.
5359 (remove_useless_stmts): Ditto.
5360 (split_critical_edges): Ditto.
5361 (execute_warn_function_return): Ditto.
5362 (execute_warn_function_noreturn): Ditto.
5363 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5364 * cfgrtl.c (free_bb_for_insn): Ditto.
5365 * passes.c (execute_one_pass): Run additional
5366 todos returned by execute function.
5367 * tree-pass.h (struct tree_opt_pass): Make execute
5370 2006-03-02 Richard Guenther <rguenther@suse.de>
5372 * tree-ssa-alias.c (find_used_portions): Consider taking
5373 the address as making the variable not write-only.
5375 2006-03-02 Nick Clifton <nickc@redhat.com>
5377 * config.gcc (default_use_cxa_atexit): Extend the description of
5378 this configure variable. Set its default value to "yes" for
5379 Linux, NetBSD and ELF targets on the assumption that they will
5380 use C libraries with the __cxa_atexit function.
5382 2006-03-02 Ben Elliston <bje@au.ibm.com>
5384 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5385 parameter as unused to suppress a build warning.
5387 2006-03-02 Ben Elliston <bje@au.ibm.com>
5389 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5392 2006-03-01 Roger Sayle <roger@eyesopen.com>
5395 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5396 declared name, the weak reference name, and the typeof name.
5397 (__gthrw): Avoid expanding the declared name suffix.
5398 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5400 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5402 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5404 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5405 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5406 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5407 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5408 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5409 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5410 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5411 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5412 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5413 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5414 (DW_END_default, DW_END_big, DW_END_little): New.
5415 (DW_END_lo_user, DW_END_hi_user): Define.
5416 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5417 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5418 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5421 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5423 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5425 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5427 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5429 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5431 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5432 to 'symbol_mem_tag'.
5434 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5437 2006-03-01 Roger Sayle <roger@eyesopen.com>
5439 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5441 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5444 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5445 MACHO_DYNAMIC_NO_PIC_P.
5446 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5448 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5451 * config/darwin-protos.h (darwin_asm_output_anchor):
5453 * config/darwin-sections.def (cstring_section):
5454 Add SECTION_MERGE to the flags.
5455 (literal4_section): Likewise.
5456 (literal8_section): Likewise.
5457 (objc_selector_refs_section): Likewise.
5458 (objc_cls_refs_section): Likewise.
5459 * config/darwin.c (darwin_asm_output_anchor): New
5461 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5463 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5465 Fix PR tree-optimization/26443
5466 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5467 to todo and PROP_tmt_usage to properties_destroyed.
5468 * tree-ssa-ccp.c (pass_ccp): Ditto.
5469 (pass_store_ccp): Ditto.
5470 * tree-ssa-dom.c (pass_dominator): Ditto.
5472 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5474 * tree-ssa-operands.c: Cleanup whitespace.
5475 (get_asm_expr_operands): Move before first invocation.
5476 (get_indirect_ref_operands): Likewise.
5477 (get_tmr_operands): Likewise.
5478 (get_call_expr_operands): Likewise.
5479 (append_def): Likewise.
5480 (append_use): Likewise.
5481 (append_v_may_def): Likewise.
5482 (append_v_must_def): Likewise.
5483 (add_call_clobber_ops): Likewise.
5484 (add_call_read_ops): Likewise.
5485 (add_stmt_operand): Likewise.
5486 (add_virtual_operand): Likewise.
5487 (build_ssa_operands): Likewise.
5489 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5494 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5495 with a call expr to ...
5496 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5498 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5500 * tree-vrp.c (extract_range_from_assert): Remove special
5501 handling for types with super-types.
5503 2006-03-01 Ben Elliston <bje@au.ibm.com>
5505 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5506 and powerpc64-*-linux* configurations.
5507 * config/t-dfprules: New file.
5509 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5510 Compile dfp-bit.c from the source directory using -DWIDTH and
5511 $DFP_CFLAGS to control the compilation of that file, rather than
5512 generating width-specific versions in the build directory.
5513 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5514 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5516 2006-02-28 Zack Weinberg <zackw@panix.com>
5518 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5521 2006-02-28 Eric Christopher <echristo@apple.com>
5523 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5524 Set up IN_LIBGCC definition of TARGET_64BIT.
5525 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5527 2006-02-28 Roger Sayle <roger@eyesopen.com>
5530 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5531 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5532 cases via the construction of "expr != 0".
5534 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5536 * alias.c (alias_invariant, alias_invariant_size): Remove.
5537 (record_base_value): Remove.
5538 (memrefs_conflict_p): Don't look at alias_invariant.
5539 (end_alias_analysis): Don't free it.
5540 * alias.h (record_base_value): Remove prototype.
5542 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5543 Adam Nemet <anemet@caviumnetworks.com>
5545 * rtl.h (truncated_to_mode): Declare it.
5546 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5547 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5548 (RTL_HOOKS_INITIALIZER): Include it.
5549 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5550 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5551 reg_truncated_to_mode.
5552 * rtlanal.c (truncated_to_mode): Define it.
5553 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5555 2006-02-28 Jeff Law <law@redhat.com>
5557 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5558 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5559 the range allowed by TYPE_PRECISION.
5561 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5563 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5565 PR tree-optimization/26419
5566 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5569 2006-02-27 Zack Weinberg <zackw@panix.com>
5571 * doc/md.texi: Fix typo in previous change.
5573 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5577 2006-02-27 Zack Weinberg <zackw@panix.com>
5579 * rtl.def (define_constraint, define_register_constraint)
5580 (define_memory_constraint, define_address_constraint): New MD forms.
5581 * gensupport.c (process_rtx): Put define_constraint etc on the
5583 * genpreds.c (process_define_predicate): Adjust comment. Validate
5584 the name, and call validate_exp to validate the expression.
5585 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5586 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5587 all callers changed.
5588 (validate_exp, needs_variable, struct constraint_data)
5589 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5590 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5591 (const_dbl_constraints, constraint_max_namelen)
5592 (have_register_constraints, have_memory_constraints)
5593 (have_address_constraints, have_address_constraints)
5594 (have_extra_constraints, have_const_int_constraints)
5595 (have_const_dbl_constraints, mangle, add_constraint)
5596 (process_define_constraint, process_define_register_constraint)
5597 (write_enum_constraint_num, write_lookup_constraint)
5598 (write_insn_constraint_len, write_regclass_for_constraint)
5599 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5600 (write_insn_extra_memory_constraint)
5601 (write_insn_extra_address_constraint)
5602 (write_satisfies_constraint_fns): New.
5603 (write_tm_preds_h): If we have new-style constraint definitions,
5604 prototype the functions generated from them, and define the
5605 old constraint interface (still used by generic code) in terms of
5607 (write_insn_preds_c): If we have new-style constraint definitions,
5608 generate all relevant functions from those definitions.
5609 (main): Handle define_constraint etc.
5610 * genoutput.c (struct constraint_data, indep_constraints)
5611 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5612 (mdep_constraint_len): New data structures and functions, defined
5613 #ifdef USE_MD_CONSTRAINTS.
5614 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5615 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5616 use new logic to validate operand constraints against constraint
5618 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5620 * defaults.h: If none of the old-style constraint macros are
5621 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5622 old-style macros; and poison REG_CLASS_FROM_LETTER,
5623 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5625 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5626 * doc/md.texi: Document new constraint-definition mechanism and the
5627 C interface it provides. Remove references to old mechanism
5628 elsewhere in the document.
5629 (Machine Constraints): Use pathnames relative to gcc directory,
5630 i.e. config/ARCH/FILE. Change i386 section to refer to
5631 config/i386/predicates.md; update that section to match docstrings.
5632 * doc/tm.texi: Move all documentation of the old constraint-
5633 definition macros to their own section, clearly mark as obsolete.
5635 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5636 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5638 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5639 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5640 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5642 (splits and peepholes): Use satisfies_constraint_*.
5643 * config/i386/i386.c (memory_address_length)
5644 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5646 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5648 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5649 scalar operation to be put back into the loop.
5651 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5654 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5655 (extract_cie_info): Handle S flag in augmentation string.
5656 (execute_cfa_program): If context->signal_frame, execute also
5657 fs->pc == context->ra instructions.
5658 (uw_frame_state_for): If context->signal_frame, don't subtract one
5659 from context->ra to find FDE.
5660 (uw_update_context_1): Set context->signal_frame to
5662 (_Unwind_GetIPInfo): New function.
5663 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5664 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5666 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5667 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5668 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5669 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5670 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5671 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5672 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5673 x86_64_fallback_frame_state): Set fs->signal_frame.
5674 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5675 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5676 (frob_update_context): Likewise. Workaround missing S flag in
5677 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5678 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5679 Remove the psw_addr + 1 hack.
5681 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5683 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5684 with aggregates here.
5685 (find_func_aliases): Remove code for &<aggregate> from here.
5687 2006-02-26 Roger Sayle <roger@eyesopen.com>
5689 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5690 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5691 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5694 2006-02-26 Roger Sayle <roger@eyesopen.com>
5697 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5699 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5701 * opts.c (decode_options): Do not handle flag_strength_reduce.
5702 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5703 and OPT_fstrength_reduce.
5704 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5705 flag_prefetch_loop_arrays for being nonzero.
5706 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5708 (fprefetch-loop-arrays-rtl): Removed.
5709 (flag_prefetch_loop_arrays): Do not specify the value.
5711 * doc/passes.texi: Update documentation of loop optimizer
5713 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5714 -frerun-loop-opt): Remove.
5716 2006-02-26 Richard Guenther <rguenther@suse.de>
5718 PR tree-optimization/26421
5719 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5720 in function calls that are ADDR_EXPRs as using the whole structure.
5722 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5724 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5725 * tree-pass.h (pass_loop_optimize): Remove.
5726 * passes.c (pass_loop_optimize): Never run it.
5727 * toplev.c (backend_init): Don't call init_loop.
5728 * opts.c (flag_loop_optimize_set): Remove.
5729 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5730 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5731 the old RTL loop optimizer when profiling enabled.
5732 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5733 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5734 pre-headers for the sake of the old RTL loop optimizer.
5735 * Makefile.in: Remove all references to loop.o.
5737 * doc/invoke.texi: Remove all references to -floop-optimize
5738 and -frerun-loop-opt.
5740 2006-02-26 Zack Weinberg <zackw@panix.com>
5742 * doc/md.texi (Machine Constraints): Refer to all files with paths
5743 relative to gcc directory (i.e. config/CPU/file). Add missing
5744 @table @code ... @end table to M32C subsection.
5746 2006-02-26 Roger Sayle <roger@eyesopen.com>
5748 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5750 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5752 2006-02-26 Roger Sayle <roger@eyesopen.com>
5753 James A. Morrison <phython@gcc.gnu.org>
5756 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5757 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5758 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5759 signedness of the shift operation.
5761 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5763 PR tree-optimization/26359
5764 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5766 2006-02-25 Roger Sayle <roger@eyesopen.com>
5768 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5769 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5770 as X == 0, and some symmetry related transformations.
5771 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5773 2006-02-25 Roger Sayle <roger@eyesopen.com>
5776 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5777 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5778 symmetry related transformations. Fold (X^C1) == C2 as
5781 2006-02-25 Juergen Weigert <jw@suse.de>
5782 Richard Guenther <rguenther@suse.de>
5784 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5786 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5788 * combine.c (gen_lowpart_or_truncate): Call
5789 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5791 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5793 * doc/invoke.texi: Move -fopenmp description to "Options for
5795 Remove reference to -lgomp.
5797 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5799 * doc/install.texi: Require GNU tar version 1.14.
5801 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5803 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5804 * doc/invoke.texi (C++ Dialect Options): Document
5805 -fno-use-cxa-get-exception-ptr.
5806 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5807 * configure: Regenerate.
5808 * c.opt (fuse-cxa-get-exception-ptr): New.
5809 * c-opts.c (c_common_handle_option): Handle
5810 OPT_fuse_cxa_get_exception_ptr.
5811 * c-common.c (flag_use_cxa_atexit): Update documentation.
5812 (flag_use_cxa_get_exception_ptr): New.
5813 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5814 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5816 (C_COMMON_OVERRIDE_OPTIONS): New.
5818 2006-02-24 Roger Sayle <roger@eyesopen.com>
5821 * combine.c (try_combine): Explicitly check whether GET_CODE is
5822 a SET or a CLOBBER, instead on checking that it isn't a USE.
5824 2006-02-24 Roger Sayle <roger@eyesopen.com>
5826 * fold-const.c (fold_comparison): New subroutine of fold_binary
5827 containing transformations common to both the equality and
5828 ordering relational operators, factored out of fold_binary.
5829 (fold_binary): Separate out the equality operators (EQ_EXPR
5830 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5831 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5832 transformations common to both.
5833 (fold_div_compare): Fix latent bugs in the previously unreachable
5834 LT_EXPR and GE_EXPR cases.
5836 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5838 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5839 decl libname for clog to __clog on AIX.
5841 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5843 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5846 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5847 output traceback table for thunks. Localise rs6000_stack_info call.
5849 2006-02-23 Roger Sayle <roger@eyesopen.com>
5850 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5852 * gthr-posix.h (__gthrw): Fix typo in comment.
5854 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5856 * doc/cpp.texi (Character sets): Document that we do support
5857 input files to be in any character set.
5859 2006-02-23 Jeff Law <law@redhat.com>
5861 * tree.h (PHI_ARG_NONZERO): Remove.
5862 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5863 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5864 node to the new node.
5866 PR tree-optimization/26425
5867 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5868 min/max, then assume its varying.
5870 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5872 PR rtl-optimization/26316
5873 * rtlanal.c (enum may_trap_p_flags): New.
5874 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5875 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5876 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5877 (may_trap_after_code_motion_p): New function.
5878 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5879 (find_invariant_insn): Use may_trap_after_code_motion_p.
5880 * rtl.h (may_trap_after_code_motion_p): Declare.
5882 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5884 * emit-rtl.c (immed_double_const): Cleanup.
5886 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5888 Fix PR tree-optimization/26376
5889 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5892 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5895 * gimplify.c (omp_add_variable): Guard variable size decl test with
5896 DECL_SIZE (decl) check.
5898 2006-02-23 Richard Guenther <rguenther@suse.de>
5901 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5902 like aggregate types.
5904 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5906 * configure.ac: Add --with{,out}-long-double-128 configure option.
5907 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5908 * configure: Rebuilt.
5909 * config.in: Rebuilt.
5910 * doc/install.texi (Options specification): Document
5911 --with-long-double-128.
5913 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5914 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5915 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5916 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5918 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5920 * config/s390/s390.c (override_options): Handle
5921 TARGET_DEFAULT_LONG_DOUBLE_128.
5923 * config/alpha/alpha.c (override_options): Handle
5924 TARGET_DEFAULT_LONG_DOUBLE_128.
5926 * config/sparc/sparc.c (sparc_override_options): Handle
5927 TARGET_DEFAULT_LONG_DOUBLE_128.
5929 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5931 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5932 (real-install-headers-tar, real-install-headers-cpio)
5933 (real-install-headers-cp): New targets.
5935 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5937 * tree.h (variable_section): Delete.
5938 * varasm.c (variable_section): Delete.
5940 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5942 * install.texi: Add notes on install.texi2html.
5943 (Building in parallel): Do not use footnotes.
5945 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5948 * doc/install.texi (Configuration): Document --disable-libgomp.
5950 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5952 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5954 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5956 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5957 (vec_extractv2df_0_sse): New.
5959 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5961 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5962 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5963 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5964 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5965 to the result of the expression.
5966 (def_cfa_1): Adjust.
5967 (frame_pointer_cfa_offset): Rename to...
5968 (frame_pointer_fb_offset): ... this. Adjust all uses.
5969 (convert_cfa_to_loc_list): Rename to...
5970 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5971 Pass it on to build_cfa_loc.
5972 (compute_frame_pointer_to_cfa_displacement): Rename to...
5973 (compute_frame_pointer_to_fb_displacement): ... this. New
5974 offset parameter. Use it in computation.
5975 (gen_subprogram_die): Compute cfa_fb_offset with the new
5976 macro, and use it to compute the fb loc list and the
5979 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5981 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5982 replaced with register_operand.
5983 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5984 non-DREG is expensive.
5985 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5986 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5989 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5991 * doc/install.texi2html: Use set -e.
5993 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5995 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5996 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5997 * doc/invoke.texi (-fshared-data): Delete.
5998 * common.opt (fshared-data): Delete.
5999 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6000 (assemble_static_space): Remove #if 0 code.
6001 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6002 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6003 * config/cris/cris.h: Remove FIXME.
6005 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6007 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6010 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6013 * combine.c (simplify_shift_const_1): Disable nested shifts
6014 optimization for vector shifts.
6016 2006-02-20 Roger Sayle <roger@eyesopen.com>
6018 PR tree-optimization/26361
6019 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6020 of unsigned integer types.
6022 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6024 * tree-chrec.c (eq_evolutions_p): New.
6025 * tree-chrec.h (eq_evolutions_p): Declared.
6026 * tree-data-ref.c: Fix formatting.
6027 (datadep_stats, dependence_stats): New.
6029 (print_direction_vector): New.
6030 (dump_data_dependence_relation): Use print_direction_vector.
6031 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6032 (compute_subscript_distance): Static.
6033 (initialize_data_dependence_relation): Static. Get the number
6034 of loops surrounding the references from the callers, and initialize
6035 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6036 base_object_differ_p analyzers.
6037 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6038 compute_overlap_steps_for_affine_1_2,
6039 analyze_subscript_affine_affine): Count the classified dependences.
6040 Print a message when a test failed.
6041 (can_use_analyze_subscript_affine_affine): New.
6042 (analyze_siv_subscript): Compute the data dependences on symbolic
6043 scevs that verify can_use_analyze_subscript_affine_affine.
6044 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6045 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6046 Handle symbolic scevs.
6047 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6049 (subscript_dependence_tester): Moved...
6050 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6051 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6052 DDR_SIZE_VECT instead of getting it in parameter.
6053 (subscript_dependence_tester): ... here. Take as a parameter
6054 loop_nest_depth. Call build_classic_dist_vector and
6055 build_classic_dir_vector.
6056 (compute_affine_dependence): Update subscript_dependence_tester
6057 parameters. Update datadep_stats counters. Call
6058 compute_subscript_distance.
6059 (compute_self_dependence): Save the dist and dir vectors. Call
6060 compute_subscript_distance.
6061 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6062 (compute_all_dependences): Reorder parameters as they were before
6063 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6064 compute_subscript_distance. Update the use of
6065 compute_affine_dependence and initialize_data_dependence_relation.
6066 (find_data_references_in_loop): Handle COMPONENT_REF.
6067 (compute_data_dependences_for_loop): Initialize dependence_stats.
6068 Don't call build_classic_dist_vector and build_classic_dir_vector.
6069 Update the parameters of initialize_data_dependence_relation and
6070 compute_all_dependences. Print the statistics from datadep_stats.
6071 (analyze_all_data_dependences): Static. Not used until the pass for
6072 checking the data dependences is contributed.
6073 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6074 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6075 (initialize_data_dependence_relation, compute_affine_dependence,
6076 analyze_all_data_dependences, compute_subscript_distance): Removed.
6077 (print_direction_vector): New.
6078 * lambda.h (gcd): ... here.
6079 (lambda_vector_gcd): Moved here from gcd_vector.
6080 * lambda-code.c (gcd, gcd_vector): Removed.
6081 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6082 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6084 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6086 * ipa-type-escape.c: Tidy some comments and white space.
6087 * tree-ssa-operands.c: Likewise.
6089 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6092 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6093 (dump_decl_name): Do not walk the decl tree chains.
6094 * tree-pass.h (TDF_CHAIN): Remove.
6096 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6098 * Makefile.in (C): Remove
6100 (.PHONY): Remove C and PROTO
6102 2006-02-20 Roger Sayle <roger@eyesopen.com>
6105 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6106 deprecated CHAR_TYPE tree code.
6108 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6110 * configure.ac (target_list): Add install-info, dvi, html.
6111 * configure: Regenerate.
6113 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6114 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6115 treelang/Make-lang.in: Do not use double-colon rules.
6117 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6119 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6120 (TMT_USED_ALONE): New macro.
6121 * tree-pass.h (PROP_tmt_usage): New property.
6122 (TODO_update_tmt_usage): New todo.
6123 * tree-ssa-alias.c (updating_used_alone): New variable.
6124 (recalculate_used_alone): New function.
6125 (compute_may_aliases): Set updating_used_alone, call
6126 recalculate_used_alone.
6127 * tree-sra.c (pass_sra): Note that this pass destroys
6128 PROP_tmt_usage, and add TODO_update_tmt_usage.
6129 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6130 * tree-flow.h (updating_used_alone): Prototype.
6131 (recalculate_used_alone): Ditto.
6132 * passes.c (execute_todo): Add code to set updating_used_alone,
6133 and call recalculate.
6134 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6135 for clobber if used alone, and add assert to verify used_alone
6138 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6140 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6141 for non tls symbols added.
6142 (legitimize_address): Do nothing for PLUS expressions if one of the
6143 addends is a tls symbol reference.
6145 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6149 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6151 * Makefile.in (BOOTSTRAPPING): New.
6152 (quickstrap): New definition if BOOTSTRAPPING=yes.
6154 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6155 * configure.ac: Substitute all_selected_languages with the languages
6156 that were configured. For all the other variables except
6157 lang_specs_files, include all the languages in the tree.
6158 * configure: Regenerate.
6160 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6161 if there is one. Run the commands to run fixincludes in the same
6164 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6165 * doc/install.texi: Document exact conventions for searching target tools.
6166 Document --with-build-time-tools. Document toplevel bootstrap. Document
6167 something more about building an Ada cross-compiler. Don't list GNU Make
6168 requirements which affect all platforms.
6170 2006-02-19 Roger Sayle <roger@eyesopen.com>
6173 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6174 only equivalent if the have both the same mode and precision.
6176 2006-02-20 Ben Elliston <bje@au.ibm.com>
6178 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6180 2006-02-19 Roger Sayle <roger@eyesopen.com>
6181 Steven Bosscher <stevenb.gcc@gmail.com>
6183 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6184 constant pool references to identify stack mode constants.
6185 * rtlanal.c (constant_pool_constant_p): New predicate to check
6186 whether operand is a floating point constant in the pool.
6187 * rtl.h (constant_pool_constant_p): Prototype here.
6188 * loop.c (scan_loop): Avoid hoisting constants from the constant
6189 pool on STACK_REGS targets.
6190 (load_mems): Likewise.
6191 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6192 loads into x87 registers expensive in terms of register pressure.
6194 2006-02-19 Roger Sayle <roger@eyesopen.com>
6196 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6197 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6199 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6201 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6202 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6204 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6206 * doc/invoke.texi: Document -fipa-pta.
6207 * common.opt: Add ipa-pta option.
6208 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6209 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6210 (do_ds_constraint): Ditto.
6211 (get_constraint_for): Only add to referenced_vars if
6212 referenced_vars exists.
6213 (insert_into_field_list): Rewrite to do this unsorted.
6214 (insert_into_field_list_sorted): Rename old insert_into_field_list
6216 (create_function_info_for): Use insert_into_field_list_sorted.
6217 (create_variable_info_for): Rewrite so it uses unsorted version,
6218 since the field list is sorted.
6219 (intra_create_variable_infos): Only add to referenced_vars if
6220 referenced_vars exists.
6221 (ipa_pta_execute): Init heapvars, and delete when done.
6222 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6224 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6226 * doc/install.texi: Add missing `@samp'.
6228 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6230 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6233 2006-02-18 Mark Wielaard <mark@klomp.org>
6235 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6236 who added new 4.1 features, bug fixes and integration support.
6238 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6241 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6244 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6246 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6247 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6248 (copy_insn_1): Likewise. Don't copy each field individually.
6250 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6252 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6253 * rtl.c (rtx_size): Rename variable to...
6254 (rtx_code_size): ...this.
6255 (rtx_size): New function.
6256 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6257 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6259 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6260 * rtl.h (rtx_code_size): New variable.
6261 (rtx_size): Change from a variable to a function.
6262 (RTX_SIZE): Rename to...
6263 (RTX_CODE_SIZE): ...this.
6266 PR tree-optimization/17106
6267 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6268 (Anchored Addresses): New section.
6269 * doc/invoke.texi (-fsection-anchors): Document.
6270 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6271 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6272 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6273 * hooks.c (hook_bool_mode_rtx_false): New function.
6274 * hooks.h (hook_bool_mode_rtx_false): Declare.
6275 * gengtype.c (create_optional_field): New function.
6276 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6277 SYMBOL_REF_IN_BLOCK_P is true.
6278 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6279 (min_anchor_offset, max_anchor_offset): Likewise.
6280 (use_anchors_for_symbol_p): New hook.
6281 * toplev.c (compile_file): Call output_object_blocks.
6282 (target_supports_section_anchors_p): New function.
6283 (process_options): Check that -fsection-anchors is only used on
6284 targets that support it and when -funit-at-a-time is in effect.
6285 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6286 if the decl doesn't have one.
6287 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6288 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6289 of force_const_mem through use_anchored_address.
6290 (expand_expr_constant): New function.
6291 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6292 calling expand_expr for INDIRECT_REF.
6293 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6294 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6295 * expr.h (use_anchored_address): Declare.
6296 * loop-unroll.c: Don't declare rtx vectors here.
6297 * explow.c: Include output.h.
6298 (validize_mem): Call use_anchored_address.
6299 (use_anchored_address): New function.
6300 * common.opt (-fsection-anchors): New switch.
6301 * varasm.c (object_block_htab, anchor_labelno): New variables.
6302 (hash_section, object_block_entry_eq, object_block_entry_hash)
6303 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6304 (use_blocks_for_decl_p, change_symbol_section): New functions.
6305 (get_variable_section): New function, split out from assemble_variable.
6306 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6307 use_blocks_for_decl_p say so. Use change_symbol_section if the
6308 symbol has already been created.
6309 (assemble_variable_contents): New function, split out from...
6310 (assemble_variable): ...here. Don't output any code for
6311 block symbols; just pass them to place_block_symbol.
6312 Use get_variable_section and assemble_variable_contents.
6313 (get_constant_alignment, get_constant_section, get_constant_size): New
6314 functions, split from output_constant_def_contents.
6315 (build_constant_desc): Create a block symbol if use_object_blocks_p
6316 says so. Or into SYMBOL_REF_FLAGS.
6317 (assemble_constant_contents): New function, split from...
6318 (output_constant_def_contents): ...here. Don't output any code
6319 for block symbols; just pass them to place_section_symbol.
6320 Use get_constant_section and get_constant_alignment.
6321 (force_const_mem): Create a block symbol if use_object_blocks_p and
6322 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6323 (output_constant_pool_1): Add an explicit alignment argument.
6324 Don't switch sections here.
6325 (output_constant_pool): Adjust call to output_constant_pool_1.
6326 Switch sections here instead. Don't output anything for block symbols;
6327 just pass them to place_block_symbol.
6328 (init_varasm_once): Initialize object_block_htab.
6329 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6330 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6331 (place_block_symbol, get_section_anchor, output_object_block)
6332 (output_object_block_htab, output_object_blocks): New functions.
6333 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6334 (TARGET_ASM_OUT): Include it.
6335 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6336 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6337 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6338 (TARGET_INITIALIZER): Include them.
6339 * rtl.c (rtl_check_failed_block_symbol): New function.
6340 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6341 (block_symbol, object_block): New structures.
6342 (rtx_def): Add a block_symbol field to the union.
6343 (BLOCK_SYMBOL_CHECK): New macro.
6344 (rtl_check_failed_block_symbol): Declare.
6345 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6346 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6347 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6348 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6349 * output.h (output_section_symbols): Declare.
6350 (object_block): Name structure.
6351 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6352 (default_use_anchors_for_symbol_p): Declare.
6353 * Makefile.in (RTL_BASE_H): Add vec.h.
6354 (explow.o): Depend on output.h.
6355 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6356 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6357 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6358 (rs6000_use_blocks_for_constant_p): New function.
6360 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6362 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6364 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6367 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6370 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6372 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6376 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6379 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6380 instead of DECL_REGISTER.
6382 2006-02-18 Olivier Hainque <hainque@adacore.com>
6385 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6387 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6390 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6391 * opth-gen.awk: Handle Var and InverseMask together.
6392 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6393 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6394 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6395 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6397 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6398 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6399 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6400 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6401 LINUX_DYNAMIC_LINKER): Define.
6402 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6403 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6405 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6406 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6407 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6409 (TARGET_C99_FUNCTIONS): Don't define.
6410 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6411 GLIBC_DYNAMIC_LINKER.
6412 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6413 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6414 GLIBC_DYNAMIC_LINKER64): Define.
6415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6416 LINUX_DYNAMIC_LINKER64.
6417 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6419 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6421 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6423 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6424 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6425 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6427 and LINUX_DYNAMIC_LINKER32.
6428 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6430 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6432 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6434 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6435 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6436 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6437 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6438 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6439 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6440 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6441 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6442 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6443 LINUX_DYNAMIC_LINKER): Define.
6444 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6445 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6446 GLIBC_DYNAMIC_LINKER64): Define.
6447 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6448 LINUX_DYNAMIC_LINKER64.
6449 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6450 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6451 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6452 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6453 LINUX_DYNAMIC_LINKER): Define.
6454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6455 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6456 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6457 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6458 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6459 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6460 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6461 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6462 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6463 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6464 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6465 * doc/invoke.texi (-muclibc): Remove caveat about supported
6468 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6470 * doc/cpp.texi (__TIMESTAMP__): Document.
6472 2006-02-17 Roger Sayle <roger@eyesopen.com>
6475 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6476 C is one less than the width of X (and related transformations).
6477 * simplify-rtx.c (simplify_unary_operation_1): Transform
6478 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6479 depending on STORE_FLAG_VALUE, were C is one less then the
6482 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6484 Fix PR tree-optimization/26341
6485 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6486 about NAME_MEMORY_TAG's.
6488 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6491 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6492 with hardware float support, and software float support. Add fcpy
6493 alternative to hardware patterns. Add alternatives to copy between
6494 general and floating-point registers to the 32-bit pattern.
6495 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6496 secondary reload to load a QI or HI mode constant into a floating
6498 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6499 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6501 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6504 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6506 (load_macho_picbase_di): Likewise.
6508 2006-02-16 Jeff Law <law@redhat.com>
6510 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6511 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6512 (ssa_name_nonzero_p): Likewise.
6513 (get_value_range): Return NULL if VRP is not running.
6514 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6515 VRP routines do not discover a range.
6516 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6517 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6518 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6519 (tree_expr_nonnegative_p): Similarly.
6520 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6521 (restore_nonzero_vars_to_original_value): Remove.
6522 (unsafe_associative_fp_binop): Remove.
6523 (tree_ssa_dominator_optimize): Remove initialization and
6524 finalization of nonzero_vars and nonzero_vars_stack.
6525 (dom_opt_initialize_block): No longer push marker on
6527 (dom_opt_finalize_block): No longer call
6528 restore_nonzero_vars_to_original_value.
6529 (record_equivalences_from_phis): No longer look for
6530 nonzero PHI arguments.
6531 (cprop_into_successor_phis): No longer propagate nonzero
6532 property into PHI arguments. Lose unused argument. Caller
6534 (record_equivalences_from_stmt): No longer record nonzero
6535 values for SSA_NAMEs.
6536 (lookup_avail_expr): No longer use nonzero_vars.
6538 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6539 for sizetype when sizetype is unsigned.
6541 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6543 PR rtl-optimization/25603
6544 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6545 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6546 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6547 with new meaning of SETS.
6549 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6554 * config/linux.opt: New file.
6555 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6556 LINUX_DYNAMIC_LINKER): Define.
6557 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6558 * config.gcc (*-*-linux*): Define extra_options.
6559 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6560 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6561 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6562 GLIBC_DYNAMIC_LINKER.
6563 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6564 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6565 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6567 * doc/invoke.texi (GNU/Linux Options): New section.
6569 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6571 * config/sparc/sparc.md (setjmp): Rewrite.
6572 (setjmp_32): Delete.
6573 (setjmp_64): Likewise.
6575 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6577 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6580 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6582 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6585 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6587 PR rtl-optimization/26296
6588 * Makefile.in (loop-invariant.c): Add except.h dependency.
6589 * loop-invariant.c: Include except.h.
6590 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6592 2005-02-16 Paul Brook <paul@codesourcery.com>
6594 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6597 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6599 PR rtl-optimization/25636
6600 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6601 when deciding whether an insn is an initializing insn.
6603 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6605 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6606 (tree_code_size): Ditto.
6607 * tree.h (struct tree_memory_tag): Remove parent_var.
6608 (struct tree_struct_field_tag): New.
6611 (union tree_node): Add sft member.
6612 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6614 (create_sft): Add size and offset argument, set SFT_OFFSET and
6616 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6617 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6618 * tree-flow-inline.h (get_subvar_at): Update for
6619 SFT_OFFSET/SFT_SIZE.
6620 (var_can_have_subvars): Ditto.
6621 (overlap_subvar): Ditto.
6622 * print-tree.c (print_node): Print out interesting things for
6624 * tree-flow.h (struct subvar): Remove offset and size members.
6625 * tree-ssa-operands.c (get_expr_operands): Update for
6626 get_indirect_ref_operands changes.
6627 (get_indirect_ref_operands): Call add_virtual_operand instead of
6628 add_stmt_operand. Only recurse on base var if requested.
6629 (access_can_touch_variable): New function.
6630 (add_stmt_operand): Split virtual operand handling into ...
6631 (add_virtual_operand): Here. Add offset, size, and for_clobber
6632 arguments. Prune alias sets.
6633 (add_call_clobber_ops): Call add_virtual_operand.
6635 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6638 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6640 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6641 than TREE_CODE as index into omp_clause_num_ops array.
6643 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6645 PR rtl-optimization/26184
6646 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6648 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6649 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6650 must_precede, must_follow and tobe_scheduled.
6653 * opts.c (common_handle_option): Free new_option pointer.
6654 * df-core.c (df_analyze): Free postorder pointer.
6656 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6658 * Makefile.in: Fix the examples about the use of stamps
6660 2006-02-15 Michael Matz <matz@suse.de>
6664 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6665 influenced by maximum_field_alignment or DECL_PACKED.
6666 (update_alignment_for_field): Ditto.
6667 (place_field): Ditto.
6668 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6671 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6673 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6674 (debug_flow_info): Pass it.
6675 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6676 * bb-reorder.c (reorder_basic_blocks): Likewise.
6677 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6678 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6679 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6680 * gcse.c (gcse_main, bypass_jumps): Likewise.
6681 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6682 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6683 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6684 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6685 * rtl.h (dump_flow_info): Adjust prototype.
6686 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6687 * var-tracking.c (variable_tracking_main): Likewise.
6688 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6689 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6692 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6694 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6697 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6699 PR tree-optimization/26209
6700 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6701 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6703 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6705 2006-02-14 Roger Sayle <roger@eyesopen.com>
6708 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6709 (X,Y) and the corresponding symmetry related transformations.
6710 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6711 (X,Y) and its symmetry related transformations.
6713 2006-02-14 Roger Sayle <roger@eyesopen.com>
6715 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6718 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6720 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6722 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6725 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6726 support COMDAT group.
6727 * configure: Regenerate.
6729 2006-02-14 Roger Sayle <roger@eyesopen.com>
6734 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6736 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6738 Fix PR tree-optimization/26260
6740 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6742 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6743 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6744 * tree-ssa-structalias.c (create_variable_info_for): Use
6745 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6747 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6749 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6751 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6752 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6753 of the ending condition.
6754 * tree-ssa-loop-manip.c: Include params.h.
6755 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6756 tree_unroll_loop): New functions.
6757 * tree-pass.h (pass_loop_prefetch): Declare.
6758 * loop.c (rest_of_handle_loop_optimize): Test for
6759 -fprefetch-loop-arrays-rtl.
6760 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6761 * timevar.def (TV_TREE_PREFETCH): New timevar.
6762 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6763 pass_loop_prefetch): New.
6764 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6765 (cleanup_tree_cfg_loop): Call scev_reset.
6766 * common.opt (fprefetch-loop-arrays-rtl): Add.
6767 * tree-ssa-loop-prefetch.c: New file.
6768 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6769 (new_temp_expr_table): Initialize expr_vars.
6770 (free_temp_expr_table): Cleanup expr_vars.
6771 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6772 expressions from being merged into one.
6773 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6774 (struct tree_niter_desc): Add control, bound and cmp fields.
6775 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6777 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6778 (tree-cfgcleanup.o): Add SCEV_H dependency.
6779 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6780 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6782 2006-02-14 Richard Guenther <rguenther@suse.de>
6784 PR tree-optimization/26258
6785 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6786 in PHI argument processing.
6788 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6790 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6791 new expression in the requested machine mode.
6793 2006-02-13 Roger Sayle <roger@eyesopen.com>
6795 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6796 directly, instead let do_compare_rtx_and_jump handle this for us.
6797 * expr.c (expand_expr_real_1): Likewise.
6798 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6799 before do_jump_by_parts_greater.
6800 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6801 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6803 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6805 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6807 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6809 PR rtl-optimization/26235
6810 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6811 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6814 2006-02-13 Jeff Law <law@redhat.com>
6816 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6819 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6822 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6823 twice if decl is a builtin. When trying again, call get_callee_fndecl
6824 first to verify it is still a builtin.
6826 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6828 * dwarf2out.c (base_type_die): Don't add AT_name here.
6829 (subrange_type_die): Don't add AT_name here.
6830 (modified_type_die): Rearrange code flow. Do add AT_name here.
6832 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6834 PR rtl-optimization/26247
6835 PR rtl-optimization/26248
6836 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6838 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6840 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6841 * config/fixtfdi.c: Likewise.
6842 * config/fixunstfdi.c: Likewise.
6843 * config/floatditf.c: Likewise.
6845 2006-02-13 Roger Sayle <roger@eyesopen.com>
6848 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6849 into (X,C2) if C1 is a subset of the bits of C2. Transform
6850 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6852 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6854 2006-02-13 Josh Conner <jconner@apple.com>
6857 * varasm.c (function_section): Check for section name before
6858 calling select_section on targets that define
6859 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6860 unlikely_text_section instead of hot_function_section if
6861 first_function_block_is_cold.
6863 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6866 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6868 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6870 PR rtl-optimization/26222
6871 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6872 after tree->rtl expansion.
6873 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6874 before passing it to emit_move_insn.
6876 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6878 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6880 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6881 Clarify documentation.
6882 * c-common.h (warn_write_strings): Remove.
6883 * c-common.c (warn_write_strings): Likewise.
6884 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6887 2006-02-12 Roger Sayle <roger@eyesopen.com>
6890 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6891 (do_jump_parts_zero_rtx): New function renamed from
6892 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6893 (do_jump_parts_equality_rtx): New function split out from
6894 do_jump_parts_equality. Old implementation renamed as above.
6895 Call do_jump_parts_zero_rtx if either operand is zero.
6896 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6897 do all of the heavy lifting.
6898 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6899 calling either do_jump_by_parts_greater_rtx or
6900 do_jump_by_parts_equality_rtx.
6901 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6902 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6903 moved to do_compare_rtx_and_jump, call it directly.
6904 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6905 mode argument. Call do_compare_rtx_and_jump.
6906 (emit_case_nodes): Update calls to do_jump_if_equal.
6908 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6910 PR rtl-optimization/26225
6911 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6913 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6915 PR rtl-optimization/26232
6916 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6918 2006-02-11 Jason Merrill <jason@redhat.com>
6921 * tree-inline.c (declare_return_variable): Just don't use the
6922 modify target if it's a gimple complex reg and the return slot
6925 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6927 * doc/contrib.texi: Update my entry.
6929 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6931 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6933 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6935 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6938 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6940 * doc/invoke.texi (-floop-optimize2): Removed.
6941 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6942 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6943 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6944 * common.opt (floop-optimize2): Removed.
6945 (fmove-loop-invariants): Enabled by default.
6947 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6949 * tree-if-conv.c (combine_blocks): Free the result of
6950 get_loop_exit_edges.
6952 2006-02-10 Jeff Law <law@redhat.com>
6954 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6956 PR tree-optimization/26213
6957 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6958 loop trying to follow SSA_NAME_VALUE chains.
6960 2006-02-10 Richard Guenther <rguenther@suse.de>
6962 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6963 deal with structures that end in implicitly variable sized arrays.
6965 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6967 PR rtl-optimization/24762
6968 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6971 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6973 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6974 (struct ivopts_data): Add regs_used field.
6975 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6976 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6977 instead of loop_data->regs_used;
6978 (free_loop_data): Do not free aux fields for loops.
6979 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6980 and tree_ssa_iv_optimize_finalize.
6982 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6984 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6986 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6989 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6990 computing the effective result type.
6992 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6995 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6996 (tree_overlaps_hard_reg_set): Declare.
6997 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6998 type and signature to match function type expected by walk_tree.
6999 (tree_overlaps_hard_reg_set): New function.
7000 (decl_conflicts_with_clobbers_p): Rename to:
7001 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7002 Use tree_overlaps_hard_reg_set. Changed caller.
7003 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7004 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7005 * cris.c (cris_md_asm_clobbers): Likewise.
7007 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7009 * reload1.c (emit_input_reload_insns): Delete code that tries to
7010 inherit using find_equiv_reg.
7012 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7014 * c-common.h (flag_const_strings): Don't declare.
7015 * c-common.c (flag_const_strings): Remove.
7016 * c.opt (fconst_strings): Remove.
7017 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7018 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7019 (c_common_init_options): Don't set flag_const_strings.
7020 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7022 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7024 * arm.md (tlobits_cbranch): New pattern.
7025 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7026 testing a single bit.
7028 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7031 * tree-ssa-pre.c (create_component_ref_by_pieces):
7032 Handle RETURN_DECL like VAR_DECL.
7034 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7037 * fold-const.c (fold_indirect_ref_1): Fold
7038 "*(foo *)&complexfoo" to "__real__ complexfoo"
7039 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7041 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7043 * tree-flow-inline.h (var_can_have_subvars):
7044 Volatile variables should not have subvariables.
7046 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7049 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7050 multiplying unsigned values.
7053 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7055 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7057 2006-02-08 Jason Merrill <jason@redhat.com>
7060 * tree.def: Elaborate on difference from MODIFY_EXPR.
7061 * doc/c-tree.texi (INIT_EXPR): Likewise.
7062 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7063 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7064 (gimplify_target_expr): Likewise.
7065 (gimplify_cond_expr): Remove target handling.
7066 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7067 (gimplify_expr): Clobber it here.
7068 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7069 Do return slot optimization if we have an INIT_EXPR.
7072 * tree-inline.c (declare_return_variable): Also clear
7073 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7076 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7079 * gimplify.c (gimplify_one_sizepos): Fix typo.
7081 2006-02-08 Jeff Law <law@redhat.com>
7083 PR tree-optimization/21417
7084 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7085 across a backedge if the control statement at the end of the
7086 block is data dependent on other statements in the same block.
7087 (record_temporary_equivalences_from_stmts): Remove over-conservative
7088 test for threading across backedges.
7090 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7091 control statement, handle all three special cases in the same
7092 manner as they all have the same desired solution. No longer
7093 special case edge flag updating when the post dominator is
7096 2006-02-08 Roger Sayle <roger@eyesopen.com>
7098 * tree.def (CHAR_TYPE): Remove.
7099 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7100 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7101 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7102 (gen_string_type_die): Delete unreachable function.
7104 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7105 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7106 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7107 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7108 * builtins.c (type_to_class): Likewise.
7109 * fold-const.c (fold_convert, build_range_check,
7110 merge_ranges): Likewise.
7111 * expr.c (count_type_elements): Likewise.
7112 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7113 * stor-layout.c (layout_type): Likewise.
7114 * ipa-type-escape.c (type_to_consider): Likewise.
7115 * gimplify.c (omp_firstprivatize_type_sizes,
7116 gimplify_type_sizes): Likewise.
7117 * explow.c (promote_mode): Likewise.
7118 * tree-sra.c (is_sra_scalar_type): Likewise.
7119 * varasm.c (output_constant): Likewise.
7120 * tree-inline.c (remap_type_1): Likewise.
7121 * convert.c (convert_to_pointer, convert_to_real,
7122 convert_to_integer, convert_to_complex): Likewise.
7124 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7126 * df-scan.c (df_def_record_1): A set destination may
7127 be a parallel regardless of mode.
7129 2006-02-08 Roger Sayle <roger@eyesopen.com>
7132 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7133 * config/mips/_tilib.c: Remove.
7134 * config/fixtfdi.c: New libgcc source file.
7135 * config/fixunstfdi.c: New source file.
7136 * config/floatditf.c: New source file.
7137 * config/floatunditf.c: New souce file.
7138 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7139 files above instead of config/mips/_tilib.c.
7140 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7142 2006-02-08 Jeff Law <law@redhat.com>
7144 PR tree-optimization/26169
7145 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7148 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7150 * df.h (DF_REG_SIZE): Return the length of the initialized
7153 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7155 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7156 __muldf3): Return a correctly signed zero.
7158 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7160 * passes.c (register_one_dump_file): Accept the current properties
7161 instead of pass number. Adjust call to dump_register. Remove
7163 (register_dump_files): Now a wrapper around...
7164 (register_dump_files_1): ... this one. Do not modify the pass
7166 (next_pass_1): Cosmetic fix.
7167 (execute_todo): Keep second parameter only. Use curr_properties
7168 instead of fetching it from the pass structure. Check and set
7170 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7171 instead of fetching it from the pass structure. Fix calls to
7172 execute_todo. Update curr_properties and initialize .vcg RTL dump
7173 after running the pass. Reset last_verified.
7174 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7176 (FIRST_AUTO_NUMBERED_DUMP): New.
7177 (dump_register): Remove "num" parameter, assign it within the
7179 (get_dump_file_name): Modify template for dumps.
7180 * tree-dump.h (dump_register): Adjust prototype.
7181 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7182 (PROP_trees): Add PROP_gimple_lomp.
7183 (TODO_set_props): New.
7184 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7185 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7186 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7188 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7190 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7191 (sparc64-*-linux*): Likewise.
7192 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7193 * config/sparc/t-linux: New file.
7194 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7195 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7196 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7197 -m32 -mlong-double-128.
7199 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7200 * config/alpha/t-linux: New file.
7201 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7203 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7204 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7205 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7206 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7207 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7208 (CPP_ARCH32_SPEC): Remove.
7210 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7212 PR tree-optimization/26145
7213 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7216 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7219 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7220 >= 240000 when generating code for SOM runtime.
7221 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7222 to $$dyncall when generating code for SOM runtime..
7224 2006-02-07 Dirk Mueller <dmueller@suse.com>
7227 * doc/invoke.texi (-Wsequence-point): Update documentation
7228 that -Wsequence-point is implemented for C++ as well.
7230 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7232 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7233 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7234 (LIB_SPEC): Likewise.
7235 * doc/invoke.texi (SPARC options): Document -pthread.
7237 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7239 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7242 2006-02-07 Roger Sayle <roger@eyesopen.com>
7244 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7245 Correct comment describing BOOLEAN_TYPE.
7247 2006-02-07 Dirk Mueller <dmueller@suse.com>
7249 * c.opt: C++ frontend supports -Wdiv-by-zero.
7250 * c-opts.c (c_common_handle_option): Remove dead case.
7252 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7254 * configure.ac (TLS assembler check): Do not enable TLS by
7255 default on SPARC/Solaris before version 10.
7256 * configure: Regenerate.
7258 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7260 * doc/invoke.texi (xl-compat): Document conversion and support
7263 2006-02-07 Jeff Law <law@redhat.com>
7265 * tree-vrp.c (find_conditional_asserts): Update comments.
7266 (simplify_stmt_for_jump_threading): New.
7267 (identify_jump_threads, finalize_jump_threads): New.
7268 (vrp_finalize): Call identify_jump_threads.
7269 (execute_vrp): Call finalize_jump_threads.
7270 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7271 (vrp_element, vrp_data, vrp_element_p): Remove.
7272 (vrp_hash_elt, vrp_variables_stack): Remove.
7273 (vrp_hash, vrp_eq, record_range): Remove.
7274 (simplify_cond_and_lookup_avail_expr): Remove.
7275 (extract_range_from_cond): Remove.
7276 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7277 (simplify_stmt_for_jump_threading): New.
7278 (dom_thread_across_edge): New wrapper.
7279 (tree_ssa_dominator_optimize): No longer initialize or
7280 finalize any of the VRP datastructures. Remove iteration
7281 step and simplify as a result of removal of iteration step.
7282 (pass_dominator): Perform a cfg cleanup after DOM.
7283 (dom_opt_finalize_block): Use the new common routines
7284 for threading jumps. Simplify stack management slightly.
7285 No longer need to unwind VRP state.
7286 (record_equivalences_from_incoming_edge): No longer record
7288 (eliminate_redundant_computations): No longer call
7289 simplify_cond_and_lookup_avail_expr.
7290 * tree-flow.h (potentially_threadable_block): Prototype.
7291 (thread_across_edge): Likewise.
7292 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7293 (tree-ssa-threadedge.o): Add dependencies.
7294 * tree-ssa-threadedge.c: New file.
7295 * passes.c (init_optimization_passes): Merge PHIs before
7296 calling VRP. Run VRP again late in the SSA optimization pipeline.
7298 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7300 * df-core.c (df_set_blocks): Do not dereference function pointers.
7301 (df_finish1): Likewise.
7302 (df_hybrid_search_forward): Likewise.
7303 (df_hybrid_search_backward): Likewise.
7304 (df_iterative_dataflow): Likewise.
7305 (df_analyze_problem): Likewise.
7306 (df_compact_blocks): Likewise.
7307 (df_dump): Likewise.
7308 * df-scan.c (df_rescan_blocks): Likewise.
7309 (df_record_entry_block_defs): Likewise.
7311 * genconditions.c (write_conditions): Guard the definition of
7312 'insn_conditions' with the check on GCC version.
7313 (write_writer): Guard the traversal 'insn_conditions' with
7314 the check on GCC version.
7316 2006-02-07 Richard Guenther <rguenther@suse.de>
7320 2006-01-30 Richard Guenther <rguenther@suse.de>
7322 * gimplify.c (gimplify_target_expr): Handle easy cases
7323 without creating a temporary.
7325 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7327 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7328 use of float in probability computations. Use edge probabilities
7329 in place of statically computed probabilities.
7330 (min_spec_prob): New static variable.
7331 (schedule_insns): Initialize it.
7332 (GET_SRC_PROB): Removed.
7333 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7335 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7338 * config/ia64/unwind-ia64.c: Revert last change.
7339 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7340 (INCOMING_FRAME_SP_OFFSET): Define.
7342 2006-02-06 Roger Sayle <roger@eyesopen.com>
7344 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7346 2006-02-07 Ben Elliston <bje@au.ibm.com>
7348 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7349 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7350 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7351 (ix86_return_in_memory): Handle TDmode.
7352 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7353 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7355 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7357 * reorg.c (dbr_schedule): Use dump_file instead of file.
7359 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7362 * config/ia64/predicates.md (extr_len_operand): New predicate.
7363 * config/ia64/ia64.md (extv): Tighten constraints.
7365 (*tbit_and_2): Ditto.
7366 (*tbit_and_3): Ditto.
7367 (*tbit_or_2): Ditto.
7368 (*tbit_or_3): Ditto.
7372 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7375 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7377 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7379 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7380 loop_optimizer_init and loop_optimizer_finalize
7381 * tree-ssa-sink.c (execute_sink_code): Ditto.
7382 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7383 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7384 tree_ssa_loop_done): Ditto.
7385 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7386 * sched-ebb.c: Include output.h.
7387 (schedule_ebbs): Do not use dump argument.
7388 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7389 * loop.c (loop_dump_stream): Removed.
7390 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7392 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7393 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7394 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7395 loop_iterations, strength_reduce, record_biv, record_giv,
7396 final_giv_value, check_final_value, check_ext_dependent_givs,
7397 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7398 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7399 dump_file instead of loop_dump_stream.
7400 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7402 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7404 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7405 * haifa-sched.c: Include output.h
7406 (schedule_insns, sched_init): Do not use dump argument.
7407 * mode-switching.c (optimize_mode_switching): Ditto.
7408 * modulo-sched.c (stats_file): Removed.
7409 (print_node_sched_params): Do not call argument dump_file.
7410 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7411 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7413 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7415 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7416 rtl_loop_init, rtl_loop_done): Ditto.
7417 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7418 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7420 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7421 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7422 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7423 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7424 * emit-rtl.c (renumber_insns): Ditto.
7425 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7426 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7427 * regclass.c (regclass): Ditto.
7428 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7429 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7430 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7431 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7433 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7434 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7436 * gcse.c (gcse_file, debug_stderr): Removed.
7437 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7438 rest_of_handle_gcse): Do not use dump argument.
7439 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7440 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7441 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7442 compute_code_hoist_vbeinout, compute_code_hoist_data,
7443 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7444 compute_store_table, build_store_vectors, insert_insn_start_bb,
7445 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7446 store_motion): Use dump_file instead of gcse_file.
7447 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7448 * profile.c (profile_dump_file): Removed.
7449 (branch_prob): Use dump_file instead of profile_dump_file.
7450 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7452 * tree-ssa-copy.c (dump_copy_of): Ditto.
7453 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7454 dump file to life_analysis.
7455 * bt-load.c (branch_target_load_optimize): Ditto.
7456 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7458 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7459 regclass, dbr_schedule): Declaration changed.
7460 * sched-int.h (sched_init): Declaration changed.
7461 * tree-profile.c (tree_profile_dump_file): Removed.
7462 (tree_profile_hooks): Removed profile_dump_file hook.
7463 * rtl-profile (rtl_profile_dump_file): Removed.
7464 (rtl_profile_hooks): emoved profile_dump_file hook.
7465 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7467 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7468 * tree-cfg.c (build_tree_cfg): Ditto.
7469 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7470 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7471 Declaration changed.
7472 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7473 life_analysis and schedule_insns.
7474 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7476 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7478 * config/mips/mips.c (mips_reorg): Ditto.
7479 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7482 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7484 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7485 (s390_mangle_fundamental_type): New.
7486 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7489 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7490 (alpha_mangle_fundamental_type): New.
7491 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7494 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7496 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7498 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7499 (sparc_mangle_fundamental_type): New.
7501 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7503 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7504 (s390x-*-linux*): Likewise.
7505 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7506 * config/s390/t-linux: New file.
7508 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7510 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7511 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7513 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7515 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7516 (ANTIC_SAFE_LOADS): New macro.
7517 (find_or_generate_expression): Add prototype.
7518 (set_contains_value): Allow null set for sake of not always having
7519 to allocate ANTIC_SAFE_LOADS.
7520 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7521 Allow COMPONENT_REF too.
7522 (valid_in_set): Allow COMPONENT_REF.
7523 Check ANTIC_SAFE_LOADS too.
7524 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7525 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7527 (can_PRE_operation): Add COMPONENT_REF.
7528 (create_component_ref_by_pieces): New function.
7529 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7530 (insert_aux): Move AGGREGATE_TYPE_P check here.
7531 (compute_avail): Set bb local stmt uids.
7532 (pass_pre): Use TODO_update_ssa_only_virtuals.
7534 2006-02-06 Ben Elliston <bje@au.ibm.com>
7536 * configure.ac: Unconditionally disable decimal float by default.
7537 * configure: Regenerate.
7539 2006-02-06 Ben Elliston <bje@au.ibm.com>
7541 * read-rtl.c (read_name): Terminate reading on EOF.
7543 2006-02-06 Ben Elliston <bje@au.ibm.com>
7545 * dfp.c (decimal_real_arithmetic): Change second argument type
7546 from int to enum tree_code. Do not always return true, but now
7547 return result of any call to decimal_do helper functions.
7548 * dfp.h (decimal_real_arithmetic): Update prototype.
7550 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7552 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7554 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7557 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7560 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7562 * tree-vrp.c (cfg_loops): Removed.
7563 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7564 Use current_loops instead of cfg_loops. Pass flags to
7565 loop_optimizer_init.
7566 * cfgloopmanip.c (fix_loop_structure): Update only available
7568 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7569 loop_optimizer_init.
7570 * modulo-sched.c (build_loops_structure): Removed.
7571 (sms_schedule): Use loop_optimizer_init.
7572 * loop-init.c (loop_optimizer_init): Use flags to determine
7573 which properties of loops to prepare.
7574 (rtl_loop_init): Pass flags to loop_optimizer_init.
7575 * tree-ssa-sink.c (execute_sink_code): Ditto.
7576 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7577 * tree-ssa-pre.c (init_pre): Ditto.
7578 * cfgloop.h (LOOPS_NORMAL): New.
7579 (loop_optimizer_init): Declaration changed.
7581 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7583 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7584 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7586 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7588 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7590 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7591 * pa/t-pa64: Delete quadlib.c rule.
7592 * pa/x-ada: Revert last change.
7593 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7595 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7597 PR rtl-optimization/26087
7598 * rtlanal.c (canonicalize_condition): Do not cross basic block
7601 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7604 * config/ia64/ia64.c: Include debug.h.
7605 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7606 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7607 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7608 (process_epilogue, process_set, process_for_unwind_directive):
7609 Output unwind info only if requested. Add CFA info if requested.
7610 Add new arguments as needed. Adjust callers.
7611 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7613 (DWARF2_FRAME_INFO): Define to zero.
7614 * config/ia64/unwind-ia64.c: Remove code that compensated for
7615 the CFA offset error fixed above.
7616 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7617 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7618 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7619 -funwind-tables and -fexceptions to enable frame info.
7620 (dwarf2out_frame_init): Define initial CFA even if
7621 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7622 DWARF2_UNWIND_INFO is nonzero, not just defined.
7623 (dwarf2out_frame_finish): Output non-EH call frame info only
7624 if DWARF2_FRAME_INFO is nonzero.
7625 (convert_cfa_to_loc_list,
7626 compute_frame_pointer_to_cfa_displacement): Define even if
7627 unwind info is not supported.
7628 (gen_subprogram_die): Use the above unconditionally. Remove
7629 legacy alternate code.
7630 * toplev.c (compile_file): Compile in call to
7631 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7632 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7634 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7635 Jakub Jelinek <jakub@redhat.com>
7637 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7638 IBM extended float format long double as "g" on powerpc*-linux.
7640 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7643 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7644 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7646 2006-02-03 Jason Merrill <jason@redhat.com>
7649 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7652 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7653 on the return slot if it's an NRV.
7655 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7657 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7658 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7659 rewrite_use): Do not handle USE_OUTER.
7660 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7661 add_iv_outer_candidates, may_replace_final_value,
7662 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7663 (find_interesting_uses_op): Functionality of
7664 find_interesting_uses_outer_or_nonlin moved here.
7665 (find_interesting_uses_outside): Use find_interesting_uses_op.
7667 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7670 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7672 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7673 Ulrich Weigand <uweigand@de.ibm.com>
7676 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7677 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7678 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7679 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7681 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7682 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7683 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7684 Define secondary reloads for TFmode moves.
7685 (constant_modes): Add TFmode.
7686 (NR_C_MODES): Set to 8.
7687 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7689 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7690 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7691 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7692 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7693 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7694 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7695 (FPR mode macro): Add TFmode.
7696 (DSF mode macro): New.
7697 (<de>, <dee> mode attributes): Removed.
7698 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7699 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7700 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7701 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7702 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7703 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7704 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7705 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7706 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7707 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7708 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7709 "*negabs<mode>2", "sqrt<mode>2"):
7710 Changed <de> to <xde>. R constraint replaced by <Rf>.
7711 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7713 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7714 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7715 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7717 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7718 "extenddftf2", "extendsftf2"): New expanders.
7719 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7720 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7721 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7722 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7724 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7725 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7726 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7727 __floatditf): Add a GCC_4.1.0 symbol version tag.
7728 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7731 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7734 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7735 Use targetm.binds_local_p instead of TREE_PUBLIC.
7737 2006-02-02 Roger Sayle <roger@eyesopen.com>
7739 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7740 on INTEGER_TYPEs to indicate that it denotes a character type.
7741 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7742 signed_char_type_node, unsigned_char_type_node and char_type_node.
7743 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7744 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7745 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7747 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7748 Daniel Berlin <dberlin@dberlin.org>
7750 * tree-tailcall.c (arg_needs_copy_p): New function.
7751 (eliminate_tail_call): Use arg_needs_copy_p.
7752 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7753 (add_virtual_phis): New function.
7755 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7757 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7758 #ignore instead of #scratch for %g7 .register directive.
7760 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7762 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7765 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7767 * flow.c (calculate_global_regs_live): Assert that there aren't any
7770 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7772 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7774 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7775 bsi_after_labels iterator.
7776 * tree-if-conv.c (find_phi_replacement_condition,
7777 replace_phi_with_cond_modify_expr): Likewise.
7778 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7779 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7781 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7783 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7785 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7788 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7789 array after growing it.
7791 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7794 * fold-const.c (fold_checksum_tree): Change type of buf.
7796 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7798 * reload.c (push_secondary_reload): Initialize t_icode.
7800 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7802 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7803 -msoft-float -mlong-double-128 only issue a warning, but don't
7804 swich to DFmode long double.
7806 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7808 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7809 has a constant equivalent, iterate over equivalents for arg0,
7810 calling simplify_relational_operation and if there's a result
7811 cheaper than X, apply fold_rtx and return the result.
7813 2006-02-01 Jan Hubicka <jh@suse.cz>
7815 * opts.c (no_unit_at_a_time_default): New global variable.
7816 (decode_options): Use it.
7817 * opts.h (no_unit_at_a_time_default): Declare.
7819 2006-02-01 Paul Brook <paul@codesourcery.com>
7821 * function.c (assign_parm_setup_reg): Use function argument promotion
7823 * expr.c (expand_expr_real_1): Use function argument promotion rules
7826 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7828 * gcc.c (process_command): Change j to 'unsigned int'.
7830 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7833 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7834 Use the corrected index for the character
7835 out of the string constant.
7837 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7839 * mode-switching.c (optimize_mode_switching): Fix size
7840 allocated for bb_info[n_entities].
7842 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7844 * gcc.c (main): Correct type that is allocated for
7845 explicit_link_files.
7847 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7849 * config/s390/s390.c (init_alignment_context): Set
7850 ALIAS_SET_MEMORY_BARRIER on the MEM.
7851 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7853 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7856 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7858 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7861 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7863 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7864 * regrename.c: Ditto.
7865 * tree-ssa-loop-im.c: Ditto.
7866 * tree-dump.c: Ditto.
7867 * tree-complex.c: Ditto.
7868 * genrecog.c: Ditto.
7869 * tree-ssa-threadupdate.c: Ditto.
7871 * java/class.c: Ditto.
7872 * java/jcf-parse.c: Ditto.
7873 * java/resource.c: Ditto.
7874 * java/except.c: Ditto.
7875 * java/jvspec.c: Ditto.
7876 * java/jcf-write.c: Ditto.
7877 * java/jcf-path.c: Ditto.
7878 * java/gjavah.c: Ditto.
7879 * java/zextract.c: Ditto.
7880 * java/jcf-io.c: Ditto.
7881 * java/jcf.h: Ditto.
7882 * java/buffer.c: Ditto.
7883 * java/lang.c: Ditto.
7884 * java/parse-scan.y: Ditto.
7885 * java/lex.c: Ditto.
7886 * java/lex.h: Ditto.
7887 * cfgloopmanip.c: Ditto.
7888 * postreload-gcse.c: Ditto.
7889 * tree-ssa-loop-manip.c: Ditto.
7890 * postreload.c: Ditto.
7891 * tree-ssa-loop-ch.c: Ditto.
7895 * diagnostic.c: Ditto.
7897 * genoutput.c: Ditto.
7899 * cfghooks.c: Ditto.
7900 * cfgloopanal.c: Ditto.
7901 * objc/objc-act.c: Ditto.
7903 * genextract.c: Ditto.
7904 * genautomata.c: Ditto.
7905 * pretty-print.c: Ditto.
7907 * cgraphunit.c: Ditto.
7910 * haifa-sched.c: Ditto.
7911 * dominance.c: Ditto.
7913 * tree-ssa-loop-ivopts.c: Ditto.
7915 * mode-switching.c: Ditto.
7916 * modulo-sched.c: Ditto.
7918 * ipa-pure-const.c: Ditto.
7920 * fix-header.c: Ditto.
7922 * tree-stdarg.c: Ditto.
7923 * ipa-utils.c: Ditto.
7924 * loop-init.c: Ditto.
7925 * ipa-inline.c: Ditto.
7928 * alloc-pool.c: Ditto.
7929 * dwarf2out.c: Ditto.
7931 * genattrtab.c: Ditto.
7932 * tree-ssa-loop-ivcanon.c: Ditto.
7936 * fortran/gfortranspec.c: Ditto.
7938 * local-alloc.c: Ditto.
7939 * langhooks.c: Ditto.
7940 * function.c: Ditto.
7941 * tree-vectorizer.c: Ditto.
7943 * ipa-type-escape.c: Ditto.
7945 * tree-if-conv.c: Ditto.
7948 * tree-data-ref.c: Ditto.
7949 * loop-unroll.c: Ditto.
7950 * treelang/treetree.c: Ditto.
7953 * ggc-common.c: Ditto.
7955 * coverage.c: Ditto.
7957 * tree-cfgcleanup.c: Ditto.
7958 * tree-ssa-pre.c: Ditto.
7959 * cfgcleanup.c: Ditto.
7960 * loop-invariant.c: Ditto.
7962 * ipa-prop.c: Ditto.
7963 * print-tree.c: Ditto.
7964 * conflict.c: Ditto.
7965 * ggc-page.c: Ditto.
7966 * sched-deps.c: Ditto.
7967 * regclass.c: Ditto.
7968 * tree-object-size.c: Ditto.
7970 * bb-reorder.c: Ditto.
7971 * resource.c: Ditto.
7972 * var-tracking.c: Ditto.
7974 * df-problems.c: Ditto.
7975 * reg-stack.c: Ditto.
7978 * sched-rgn.c: Ditto.
7979 * tree-ssa-structalias.c: Ditto.
7980 * tree-ssa-reassoc.c: Ditto.
7981 * config/darwin-c.c: Ditto.
7982 * config/darwin.c: Ditto.
7983 * config/arm/arm.c: Ditto.
7985 * collect2.c: Ditto.
7988 2006-01-31 Nicolas Pitre <nico@cam.org>
7990 * arm.md (smaxsi3): Make aware of smax_m1.
7993 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7995 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7997 2006-01-31 Richard Guenther <rguenther@suse.de>
7999 * doc/invoke.texi (-msselibm): Document.
8000 * target.h (expand_library_builtin): New target hook.
8001 * builtins.c (expand_builtin): Use expand_library_builtin.
8002 (default_expand_library_builtin): New function.
8003 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8004 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8005 (link_gcc_math_spec): Declare.
8006 (static_specs): Add link_gcc_math_spec.
8007 * expr.h (default_expand_library_builtin): Declare.
8008 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8009 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8010 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8011 * config/i386/i386.opt (msselibm): New target option.
8012 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8013 (ix86_init_sse_abi_builtins): New function.
8014 (ix86_expand_library_builtin): Likewise.
8015 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8016 (override_options): Handle error conditions wrt -msselibm.
8017 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8018 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8019 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8022 2006-01-31 Richard Guenther <rguenther@suse.de>
8023 Paolo Bonzini <bonzini@gnu.org>
8025 * doc/install.texi (--disable-libgcc-math): Document.
8027 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8029 * expr.h (expand_normal): new inline function.
8030 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8032 * dwarf2out.c: use it.
8037 * config/sparc/sparc.c: use it.
8038 * config/i386/i386.c: use it.
8039 * config/rs6000/rs6000.c: use it.
8040 * config/arm/arm.c: use it.
8041 * config/mips/mips.c: use it.
8042 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8044 2006-01-30 Roger Sayle <roger@eyesopen.com>
8046 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8047 argv to the appropriate type.
8049 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8051 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8054 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8057 * config/s390/s390.c (struct machine_function): New flag
8058 decomposed_literal_pool_addresses_ok_p.
8059 (s390_reorg): Set it before final stage of literal pool transforms.
8060 (s390_decompose_address): Only accept displacements of the form
8061 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8063 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8065 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8066 the comparison routine return.
8068 2006-01-30 Michael Matz <matz@suse.de>
8070 * global.c (find_reg): Only evict for global regs.
8071 Take n_refs into account and dump more info.
8073 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8076 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8077 (pragma_trap, pragma_nosave_low_regs): Likewise.
8078 (current_function_anonymous_args): Likewise.
8079 (sh_deferred_function_attributes): New variable.
8080 (sh_deferred_function_attributes_tail): Likewise.
8081 (print_operand): For '@', look up trap_exit attribute.
8082 (calc_live_regs): Look up trapa_handler attribute. For trapa
8083 handlers, save/restore fpscr, but don't do any other
8084 interrupt-specific saves.
8085 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8086 Fix check for partially saved registers to check for SHmedia.
8087 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8088 (sh_output_function_epilogue): Don't clear any of the removed
8090 (sh_insert_attributes): Don't check pragma_interrupt.
8091 Insert deferred attributes. Check that interrupt attribute is
8092 present for other attributes that require its presence.
8093 (sh_attribute_table): Add new attributes trapa_handler and
8095 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8096 Don't check for pragma_interrupt. Don't store argument.
8097 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8098 (sh_deferred_function_attributes): Declare.
8099 (sh_deferred_function_attributes_tail): Likewise.
8100 * sh.md (sp_switch_1): Add operand. Change generator caller.
8101 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8102 (*return_i): Don't use when trap_exit attribute is in effect.
8103 (*return_trapa): New insn pattern.
8105 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8106 setting c_target_objs and cxx_target_objs.
8107 * t-sh: Add rule for sh-c.o.
8109 2006-01-30 Richard Guenther <rguenther@suse.de>
8112 * gimplify.c (gimplify_target_expr): Handle easy cases
8113 without creating a temporary.
8115 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8117 * vec.h (safe_grow): Remove duplicated line.
8119 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8122 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8123 (expand_omp): ... here.
8124 (expand_omp_parallel): Only remove barriers for combined
8125 parallel+workshare constructs.
8127 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8131 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8132 * tree.c (build_qualified_type): Chain the new type to the original
8133 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8134 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8135 (build_pointer_type_for_mode): Only return unqualified types.
8136 (build_reference_type_for_mode): Likewise.
8138 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8140 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8141 * Makefile.in (CXX_COMPAT_WARN): Define.
8142 * configure: Regenerate.
8144 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8147 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8150 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8152 * toplev.c: Fix thinko.
8154 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8155 Marcin Dalecki <martin@dalecki.de>
8157 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8158 (push_srcloc): Use XNEW.
8159 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8161 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8163 * df-core.c (df_set_blocks): Deleted all variable.
8165 2006-01-28 Ian Lance Taylor <ian@airs.com>
8167 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8168 cgraph_output_pending_asms.
8170 2006-01-28 Zack Weinberg <zackw@panix.com>
8172 * c.opt: Add -W(no-)overlength-strings.
8173 * doc/invoke.texi: Document it.
8174 * c-opts.c (c_common_handle_option): -pedantic implies
8175 -Woverlength-strings, if not explicitly disabled already.
8176 (c_common_post_options): -Woverlength-strings defaults to off, and
8177 is always off for C++.
8178 * c-common.c (fix_string_type): Issue warning about strings longer
8179 than is portable only if warn_overlength_strings. Rearrange code
8180 a little for clarity.
8181 * configure.in: Check for -Wno-overlength-strings as well before
8182 enabling -pedantic in stage 1.
8183 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8184 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8186 * genconditions.c (write_header, write_one_condition)
8187 (write_conditions, write_writer): Consolidate very long strings
8188 that were broken up to fit in C89 portable limit. Don't use
8189 printf when fputs will do.
8191 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8193 * combine.c (simplify_comparison <AND>): Check
8194 TRULY_NOOP_TRUNCATION before start using a subreg.
8196 * config/mips/mips.md (*branch_zero<mode>,
8197 *branch_zero<mode>_inverted, *branch_equality<mode>,
8198 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8199 Remove mode check from comparisons.
8201 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8203 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8205 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8207 * expmed.c (const_mult_add_overflow_p): Remove.
8208 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8210 * recog.c (validate_replace_rtx_subexp): Remove.
8211 * recog.h: Remove the prototype for
8212 validate_replace_rtx_subexp.
8214 * integrate.h: Remove the prototype for
8215 copy_decl_for_inlining.
8216 * rtl.h: Remove the prototype for mark_constant_function.
8217 * tree-vectorizer.h: Remove the prototype for
8218 vect_strip_conversion.
8220 * modulo-sched.c (create_partial_schedule,
8221 free_partial_schedule, reset_partial_schedule): Make them
8224 * hooks.c (hook_bool_rtx_int_false): Remove.
8225 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8227 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8229 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8230 and -mlong-double-128 are incompatible.
8231 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8232 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8233 (TARGET_LIBGCC2_CFLAGS): Define.
8234 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8235 (TARGET_LIBGCC2_CFLAGS): Same.
8236 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8238 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8241 * c-typeck.c (build_binary_op): Perform implicit casts of
8242 operands before shortening them.
8244 * cfgloopmanip.c (split_loop_bb): Remove.
8245 * cfgloop.h: Remove the prototype for split_loop_bb.
8247 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8248 * cfgloop.h: Remove the prototype for
8249 flow_loop_outside_edge_p.
8251 * emit-rtl.c (init_virtual_regs): Make it static.
8252 * function.h: Remove the prototype for init_virtual_regs.
8254 * recog.c (peephole2_optimize): Make it static.
8255 * recog.h: Remove the prototype for peephole2_optimize.
8257 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8259 * df-scan.c (df_record_entry_block_defs): Check if
8260 INCOMING_RETURN_ADDR_RTX is defined.
8262 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8263 Kenneth Zadeck <zadeck@naturalbridge.com>
8265 PR rtl-optimization/24762
8266 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8267 * targhooks.c (hook_void_bitmap): New hook prototype.
8268 * targhoohs.h (hook_void_bitmap): Ditto.
8269 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8270 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8271 * target.h (live_on_entry): New function pointer.
8272 * df-scan.c (df_all_hard_regs): Removed.
8273 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8274 (df_scan_free_internal): Added df->entry_block_defs.
8275 (df_scan_alloc): Ditto.
8276 (df_scan_dump): Ditto.
8277 (df_uses_record): Plumbed flag field properly thru calls.
8278 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8279 This part fixes PR24762.
8280 (df_bb_refs_record): Added code to make the frame and arg
8281 pointers live in EH blocks.
8282 (df_refs_record): Added call to df_record_entry_block_defs.
8283 (df_record_entry_block_defs): New function.
8284 * df-core.c: Added comments to describe new artifical defs.
8285 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8286 (entry_block_defs): New field in struct df.
8287 (df_all_hard_regs): Deleted.
8288 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8289 * df-problems.c (df_ru_bb_local_compute_process_def):
8290 Added code to handle artifical defs in the entry to a function.
8291 (df_ru_bb_local_compute): Ditto.
8292 (df_rd_bb_local_compute_process_def): Ditto.
8293 (df_rd_bb_local_compute): Ditto.
8294 (df_lr_bb_local_compute): Ditto.
8295 (df_ur_bb_local_compute): Ditto.
8296 (df_urec_bb_local_compute): Ditto.
8297 (df_chain_create_bb): Ditto.
8298 (df_ur_local_finalize): Removed entry.
8299 (df_urec_init): Ditto.
8300 (df_urec_local_finalize): Ditto.
8301 (df_ri_bb_compute): Added detection of last use of pseudos.
8302 * Makefile.in (df-scan.o): Updated dependencies.
8303 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8304 * config/mips/mips.c (mips_set_live_on_entry): Added.
8305 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8307 * dce.c (marked_insn_p): Added code to handle artifical defs.
8309 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8311 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8313 (_mm_cvtsi128_si64): Likewise.
8314 (_mm_cvtsd_si64): Likewise.
8315 (_mm_cvttsd_si64): Likewise.
8316 (_mm_cvtsi64_sd): Likewise.
8317 (_mm_cvtsi64_si128): Likewise.
8318 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8319 (_mm_cvtsi64_m64): Likewise.
8320 (_m_to_int64): Likewise.
8321 (_mm_cvtm64_si64): Likewise.
8322 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8323 (_mm_cvttss_si64): Likewise.
8324 (_mm_cvtsi64_ss): Likewise.
8325 (_mm_cvtss_f32): Likewise.
8327 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8329 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8330 for pragma redefine_extname.
8332 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8335 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8336 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8337 -mno-minimal-toc to previous content.
8338 (bispecs): Remove goal.
8339 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8340 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8341 compatibility aliases on powerpc-*-*gnu*.
8342 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8343 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8344 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8345 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8346 (ldblspecs): New goal.
8347 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8348 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8350 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8351 L_sf_to_tf or L_df_to_tf is defined.
8353 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8354 Alan Modra <amodra@bigpond.net.au>
8357 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8358 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8359 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8360 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8361 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8362 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8363 (rs6000_override_options): Initialize rs6000_ieeequad.
8364 Initialize TFmode format to ibm_extended_format if not
8366 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8368 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8369 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8370 (function_arg_advance): IBM long double passed in two FPRs, not
8372 (function_arg): IBM long double passed in FPRs.
8373 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8374 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8375 Only multireg GPR aligned.
8376 (rs6000_init_libfuncs): Enable IBM long double functions if not
8378 (rs6000_generate_compare): Use IBM long double compare if not
8380 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8381 (TARGET_IEEEQUAD): Define.
8382 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8383 not TARGET_IEEEQUAD.
8384 * config/rs6000/rs6000.md: Enable TFmode patterns if
8386 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8387 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8388 and -mlong-double-128 are incompatible.
8389 * doc/invoke.texi (-mabi): Collect options together. Add
8390 ibmlongdouble and ieeelongdouble.
8392 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8394 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8396 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8397 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8398 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8399 * rtl.h (rtunion_def): Remove rt_ptr.
8401 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8402 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8403 * config/i386/winnt.c (i386_pe_mark_dllexport)
8404 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8406 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8408 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8410 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8414 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8415 pthread_key_delete. From John David Anglin. gthrw-ify
8416 pthread_getunique_np only if it it's not a macro. Delete
8418 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8419 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8420 __gthread_objc_condition_signal, __gthread_key_delete): Add
8421 "__attribute__ ((__unused__))" to unused arguments.
8422 (__gthread_recursive_mutex_init_function): Add missing return.
8423 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8424 gthr-posix95.h: Use macro-based approach for name redirection
8425 on targets missing weakref.
8427 2006-01-26 Zack Weinberg <zackw@panix.com>
8429 * genconditions.c (write_header): In generated code, #ifdef out
8430 all includes and fake declarations, except includes of bconfig.h
8431 and system.h, unless GCC_VERSION >= 3001. Do not include
8432 gensupport.h in any case.
8433 (write_conditions): Generate a definition of struct c_test. Add
8434 a comment to the generated #endif.
8435 (write_one_condition): Escape backslashes in string too.
8436 (write_writer): Generated code must escape backslashes and quote
8437 marks (but not newlines) in the strings it writes.
8438 * Makefile.in (build/gencondmd.o): Update dependencies.
8440 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8443 * Makefile.in (insn-automata.o): Add header file dependencies.
8444 * genautomata.c: Add includes.
8446 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8449 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8451 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8453 * configure.ac: Expect target tools paths to be passed from the toplevel
8454 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8456 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8458 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8461 * c.opt (Wpointer-sign): Init to -1.
8462 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8463 OPT_pedantic, to 0 otherwise.
8464 * doc/invoke.texi: Update.
8466 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8468 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8469 constants provided by 80387 instructions in the destination mode.
8471 2006-01-26 Richard Guenther <rguenther@suse.de>
8472 Andrew Pinski <pinskia@physics.uc.edu>
8475 partial PR tree-opt/17064
8476 * tree-ssa-structalias.c (intra_create_variable_infos):
8477 Create heap variables for incoming parameters if
8478 flag_argument_noalias > 1.
8479 (find_what_p_points_to): Look through default defs of
8482 2006-01-26 Jeff Law <law@redhat.com>
8485 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8486 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8487 within the VR_RANGE, use the VR_RANGE as the result, not the
8489 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8490 bounds for the type.
8492 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8494 * tree-ssa-alias.c (maybe_create_global_var): Change
8495 subvar walking to an assertion that we don't have subvar'd variables.
8497 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8500 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8501 Use a new variable, inner. PARM_DECLs are always non-weak.
8503 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8505 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8508 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8510 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8512 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8514 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8515 (smax_insn, smin_insn, smax_0, smin_0): New.
8517 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8520 * config/cris/cris.c (cris_order_for_addsi3): New function.
8521 * config/cris/cris-protos.h: Prototype it.
8522 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8523 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8524 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8525 (split for "op.S1 [rx=rx+i],ry (swapped)")
8526 (split for "op(s|u).S1 [rx=rx+i],ry")
8527 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8528 Apply cris_order_for_addsi3 when generating addsi3 insns.
8530 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8532 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8533 (TREE_BLOCK): Add call to EXPR_CHECK.
8535 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8538 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8539 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8540 (dump_omp_clauses): ... here.
8541 (dump_generic_node): Handle OMP_CLAUSE.
8542 * tree.c (omp_clause_num_ops): New.
8543 (omp_clause_code_name): New.
8544 (tree_code_size): Handle OMP_CLAUSE.
8545 (tree_size): Likewise.
8546 (make_node): Document handling of OMP_CLAUSE.
8547 (tree_node_structure): Handle OMP_CLAUSE.
8548 (omp_clause_check_failed): New.
8549 (omp_clause_range_check_failed): New.
8550 (omp_clause_operand_check_failed): New.
8551 (build_omp_clause): New.
8552 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8553 * tree.h (enum omp_clause_code): Declare.
8554 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8555 (OMP_CLAUSE_RANGE_CHECK): Define.
8556 (OMP_CLAUSE_ELT_CHECK): Define.
8557 (omp_clause_check_failed): Declare.
8558 (omp_clause_operand_check_failed): Declare.
8559 (omp_clause_range_check_failed): Declare.
8560 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8561 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8562 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8563 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8564 (OMP_CLAUSE_IF_EXPR): Likewise.
8565 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8566 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8567 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8568 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8569 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8570 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8571 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8572 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8573 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8574 (OMP_CLAUSE_CODE): Define.
8575 (OMP_CLAUSE_SET_CODE): Define.
8576 (OMP_CLAUSE_CODE): Define.
8577 (OMP_CLAUSE_OPERAND): Define.
8578 (struct tree_omp_clause): Declare.
8579 (union tree_node): Add field 'omp_clause'.
8580 * treestruct.def (TS_OMP_CLAUSE): Define.
8581 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8582 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8583 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8584 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8585 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8586 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8587 (OMP_CLAUSE): Define.
8588 * print-tree.c (print_node): Handle OMP_CLAUSE.
8589 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8590 * c-typeck.c: Likewise.
8591 * gimplify.c: Likewise.
8592 * c-omp.c: Likewise.
8593 * tree-nested.c: Likewise.
8594 * tree-inline.c: Likewise.
8595 * c-parser.c: Likewise.
8596 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8599 2006-01-25 Roger Sayle <roger@eyesopen.com>
8601 PR rtl-optimization/25703
8602 * combine.c (try_combine): Handle zero_extract and strict_low_part
8603 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8605 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8607 * global.c: Fix comment typos.
8609 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8612 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8613 Use output_addr_const instead of assemble_name.
8615 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8617 * Makefile.in (sched-vis.o): Update dependencies.
8618 * haifa-sched.c (sched_finish): Clear current_sched_info.
8619 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8620 (dump_flow_info): Call it.
8621 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8623 * basic-block.h (dump_bb_info): Declare.
8624 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8625 option, and apply options only for dump files whose TDF_RTL,
8626 TDF_TREE, or TDF_IPA bits match.
8627 * rtl.h: Declare new functions exported from sched-vis.c.
8628 * sched-vis.c: Enable also if scheduling is not used.
8629 (print_value): Print the mode of registers if not inside scheduling.
8630 (print_insn): Make it work outside the scheduler. Beautify the output
8632 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8634 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8636 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8637 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8638 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8639 depending on the value of CONSTANT_POOL_ADDRESS_P.
8640 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8642 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8643 rather than SYMBOL_REF_DECL.
8644 (rtx_constant_pool): Remove const_rtx_sym_htab.
8645 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8646 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8647 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8648 Remove handling of const_rtx_sym_htab.
8649 (find_pool_constant): Delete.
8650 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8651 rather than find_pool_constant.
8652 (get_pool_constant_for_function): Delete.
8653 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8655 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8656 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8657 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8658 (SYMBOL_REF_CONSTANT): New macro.
8659 (get_pool_constant_for_function): Delete.
8660 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8661 rather than SYMBOL_REF_DECL.
8662 (i386_pe_mark_dllimport): Likewise.
8663 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8664 rather than SYMBOL_REF_DECL.
8665 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8666 (machopic_indirect_call_target): Likewise.
8668 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8670 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8672 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8674 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8676 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8678 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8680 2006-01-24 David Daney <ddaney@avtrex.com>
8683 * configure.ac (enable_tls): New enable option.
8684 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8685 * configure: Regenerate.
8686 * doc/install.texi (--enable-tls): Document new option.
8687 (--disable-tls): Ditto.
8689 2006-01-24 Richard Henderson <rth@redehat.com>
8691 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8692 * alias.c (true_dependence): Respect it.
8693 (canon_true_dependence, write_dependence_p): Likewise.
8694 * builtins.c (get_builtin_sync_mem): Set it.
8696 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8698 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8701 2006-01-24 DJ Delorie <dj@redhat.com>
8703 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8704 for storing constants in single-bit bitfields.
8706 2006-01-25 Ben Elliston <bje@au.ibm.com>
8708 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8710 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8713 * tree-ssa-pre.c (phi_translate): Return NULL
8714 for AGGREGATE_TYPE's.
8716 2006-01-24 Zack Weinberg <zackw@panix.com>
8718 * genautomata.c (process_state_for_insn_equiv_partition):
8719 Use xcalloc for insn_arcs_array.
8720 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8721 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8723 2006-01-24 Richard Henderson <rth@redhat.com>
8725 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8728 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8730 PR rtl-optimization/25890
8731 PR rtl-optimization/25905
8732 * combine.c (expand_compound_operation, expand_field_assignment):
8733 Fail if the bitfield's final position is out of bounds.
8735 2006-01-24 Ian Lance Taylor <ian@airs.com>
8738 * cgraphunit.c (cgraph_output_in_order): Don't clear
8739 cgraph_asm_nodes until after asm strings have been output.
8741 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8743 * fix-header.c (read_scan_file): Add new parameter imultilib when
8744 calling register_include_chains.
8746 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8748 * omp-low.c: Update documentation.
8750 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8751 Daniel Berlin <dberlin@dberlin.org>
8755 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8756 return from the function.
8758 2006-01-22 Zack Weinberg <zackw@panix.com>
8760 * rtl.def (match_code): Add second argument.
8761 * genpreds.c (write_extract_subexp): New function.
8762 (write_match_code): Add path argument. Use write_extract_subexp.
8763 (write_predicate_expr): Pass path to write_match_code.
8764 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8765 not perform a mode test.
8766 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8767 a subexpression does not constrain the top-level code set.
8768 * read-rtl.c (read_rtx_variadic): New function.
8769 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8770 * doc/md.texi: Document new notation.
8771 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8772 (cmpsi_operand): ... here, using new notation.
8774 2006-01-22 Zack Weinberg <zackw@panix.com>
8776 * varray.c: Remove GENERATOR_FILE #ifdefs.
8778 2006-01-22 Zack Weinberg <zackw@panix.com>
8780 * genautomata.c (output_reserved_units_table): Emit nothing if
8781 description->query_units_num is zero. Remove extra blank line.
8782 (output_cpu_unit_reservation_p): Short circuit
8783 if description->query_units_num is zero.
8785 2006-01-22 Zack Weinberg <zackw@panix.com>
8787 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8788 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8789 nor any of the random handful of variables that used to be necessary
8790 when this program was linked with rtlanal.o. Prune set of forward
8791 function declarations.
8792 (struct attr_desc): Remove static_p field.
8793 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8794 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8795 (attr_string): Do not read the character one past the length of
8797 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8798 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8799 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8800 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8801 (make_automaton_attrs): New.
8802 (main): Do not call into genautomata. Call local gen_bypass
8803 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8804 Remove special case for insn_alts.
8805 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8806 varray.h (leftover from previous change). Prune set of forward
8807 function declarations. Remove state_alts fields from all
8808 structures. Remove state_alts_table from struct automaton.
8809 Make everything except main static. Do not maintain num_dfa_decls.
8810 Do not maintain state_alts fields of various structures.
8811 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8812 (add_arc): Remove state_alts argument. All callers updated.
8813 (output_reserved_units_table): Emit #ifdef here...
8814 (output_tables): ...not here. Don't generate state_alts tables.
8815 (expand_automata): Don't generate attributes.
8816 (write_automata): Don't generate state_alts functions.
8817 (main): New function.
8818 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8819 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8820 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8821 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8822 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8823 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8824 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8825 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8827 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8828 * genattrtab.h: Delete file.
8829 * Makefile.in (OBJS-common): Add insn-automata.o.
8830 (insn-automata.o): New rule.
8831 (simple_generated_c): Add insn-automata.c.
8832 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8833 (genprogmd): Add automata.
8834 (build/genattrtab): Needs no extra objects nor libraries.
8835 (build/genautomata): Needs build/vec.o and -lm.
8837 2006-01-22 Zack Weinberg <zackw@panix.com>
8839 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8840 (output_dfa_max_issue_rate, locked_states_num): Delete.
8841 (struct automaton): Add locked_states field.
8842 (output_dead_lock_vect): Save number of locked states in
8843 automaton->locked_states. If it is zero, don't print anything.
8844 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8845 (output_internal_dead_lock_func): Only test the dead_lock_vect
8846 for automata that have locked states.
8847 (output_statistics): Always print the number of locked states for
8848 each automaton. Calculate total number of locked states here.
8849 (write_automata): Don't call output_dfa_max_issue_rate.
8850 * genattrtab.c: Define length_unit_log as a const variable.
8851 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8852 max_insn_queue_index const.
8853 * final.c (length_unit_log): Declare const.
8854 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8856 2006-01-22 Zack Weinberg <zackw@panix.com>
8858 * genautomata.c: Include vec.h, not varray.h.
8859 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8860 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8861 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8862 VEC_* macros operating on appropriately typed vectors, or to
8863 malloced arrays when the size is known in advance. Const-ify
8864 many char* variables and function arguments. No functional changes.
8865 * Makefile.in (build/varray.o): Delete rule.
8866 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8867 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8869 2006-01-22 Zack Weinberg <zackw@panix.com>
8871 * gensupport.c: Define get_insn_name and record_insn_name here.
8872 (read_md_rtx): Call record_insn_name as appropriate.
8873 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8874 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8875 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8877 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8878 (BUILD_VARRAY): Delete.
8879 (genprognormal): Rename genprogmd. Fold in all programs from
8880 genprognoprint; also attrtab.
8881 (build/genattrtab): Just mention genautomata.o and varray.o.
8882 Reorganize a bit, add comments to make the categories clearer.
8884 2006-01-22 Zack Weinberg <zackw@panix.com>
8886 * genconditions.c (condition_table, add_condition): Delete.
8887 (write_conditions): Don't emit n_insn_conditions nor
8888 insn_elision_unavailable. Issue the gcc version #ifdef here,
8889 inside the table, with no #else clause ...
8890 (write_header): ...not here.
8891 (write_writer): New function.
8892 (main): Don't initialize condition_table. Use add_c_test.
8894 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8895 files on the command line.
8896 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8897 Return -1 if there is no entry in the table, don't abort.
8898 (add_c_test, traverse_c_tests): New functions.
8899 * gensupport.h (insn_elision_unavailable, insn_conditions)
8900 (n_insn_conditions): Delete declarations.
8901 (add_c_test, traverse_c_tests): Declare.
8902 * read-rtl.c: Include gensupport.h.
8903 (read_conditions): New function.
8904 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8905 (read_rtx_1): If we get EOF when we were looking for an initial
8906 open paren, return 0. Call read_conditions when appropriate.
8907 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8908 dummy-conditions.o. Eliminate references to insn-conditions.o,
8909 or change them to build/gencondmd.o, as appropriate. Remove
8910 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8911 from $(simple_generated_c). For all files remaining in those
8912 two lists, add insn-conditions.md to the generator command line.
8913 Give insn-constants.h/s-constants their own rules. Add rules
8914 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8915 (build/read-rtl.o): Depend on gensupport.h.
8916 (genprognormal): Include preds.
8917 (genprogearly): Rename genprognoprint; only difference is now that
8918 they don't link with $(BUILD_PRINT).
8919 * dummy-conditions.c: Delete.
8921 2006-01-22 Zack Weinberg <zackw@panix.com>
8923 * genextract.c: Don't include insn-config.h. Do include vec.h.
8924 Declare vectors of int, char, and locstr.
8925 (locstr): New typedef.
8926 (struct extraction): Make all array fields into bare pointers.
8927 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8928 (insn_code_number): Delete.
8929 (accum_extract): New struct.
8930 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8931 (gen_insn): Take insn_code_number as an argument. Use an
8932 accum_extract structure instead of loading data directly into
8933 a struct extraction, and having to know how big it might get.
8934 (walk_rtx): Operate entirely on an accum_extract structure.
8935 (print_path): Avoid unnecessary use of printf.
8936 (print_header): New function, split out of main. Distinguish
8937 more carefully between an unrecognizable insn and an insn that
8938 has the code number of a define_expand.
8939 (main): Pass insn_code_number to gen_insn. Call print_header
8940 only after parsing. Avoid unnecessary use of printf.
8941 * Makefile.in (build/vec.o): New rule.
8942 (build/genextract): Depend on build/vec.o.
8943 (build/genextract.o): Don't depend on insn-config.h.
8945 2006-01-22 Zack Weinberg <zackw@panix.com>
8947 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8948 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8949 practical. Eliminate per-generator-program link rules.
8951 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8954 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8955 with a call expr to ...
8956 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8958 2006-01-23 Richard Guenther <rguenther@suse.de>
8960 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8961 before make_edge with conditional EDGE_TRUE_VALUE.
8963 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8964 Jan Hubicka <jh@suse.cz>
8965 Richard Guenther <rguenther@suse.de>
8967 PR rtl-optimization/25654
8968 * cfgexpand.c (aggregate_contains_union_type): New function.
8969 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8970 for structure variables that contain a union type.
8972 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8974 * gengtype.c (new_structure): Return the structure.
8975 (create_option): Add an extra "next" argument.
8976 (create_field): New function.
8977 (adjust_field_rtx_def): Use create_option and create_field.
8978 Remove a now-unnecessary call to find_structure.
8979 (adjust_field_tree_def): Likewise.
8980 (note_yacc_type): Remove an unnecessary call to find_structure.
8981 * gengtype.h (new_structure): Return the structure.
8982 (create_option): Add an extra argument.
8983 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8984 (option): Adjust calls to create_option.
8986 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8988 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8990 2006-01-22 Paul Brook <paul@codesourcery.com>
8991 Peter Barada <peter@the-baradas.com>
8993 * config/m68k/m68k.md: Add Coldfire FPU support.
8994 Define FP mode macro and associated attributes.
8995 Use it for float mode patterns.
8996 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8997 (LIBCALL_VALUE): Use m68k_libcall_value.
8998 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8999 (m68k_function_value): Ditto.
9000 (emit_move_sequence): Ditto.
9001 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9002 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9003 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9004 (MULTILIB_EXCEPTIONS): Ditto.
9005 * config/m68k/m68k.opt: Add mcfv4e.
9006 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9007 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9008 (m68k_output_function_prologue): Save ColdFire FPU registers.
9009 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9010 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9011 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9012 ColdFire FPU registers.
9013 (m68k_libcall_value, m68k_function_value): New functions.
9014 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9015 (LIBCALL_VALUE): Use m68k_libcall_value.
9016 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9017 (MASK_COLDFIRE): Add MASK_CFV4E.
9018 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9019 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9020 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9021 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9022 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9023 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9024 * doc/invoke.tex: Document -mcfv4e on m68k.
9026 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9028 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9031 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9034 * c-opts.c (c_common_handle_option): Don't include
9035 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9036 * doc/invoke.texi (C++ Dialect Options): Document that
9037 -Wnon-virtual-dtor is no longer included in -Wall.
9039 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9041 * gcov.c (print_version), gcov-dump.c (print_version),
9042 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9045 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9047 * df-scan.c (problem_SCAN): Added NULL reset function.
9048 (df_scan_reset_blocks): Added code to call reset block function
9049 (df_bb_refs_delete) Fixed comment.
9050 (df_insn_refs_delete): Made tolerant of deleting non existent info
9051 for dataflow problems that need to be reset.
9052 * df-core.c (df_set_blocks): Ditto.
9053 * df.h (struct df_problem): Added reset_fun.
9054 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9055 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9056 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9057 functions to clear out all references to def-use or use-def chains.
9059 2006-01-21 Ben Elliston <bje@au.ibm.com>
9061 * varasm.c (assemble_real): Initialise data array.
9063 2006-01-20 Paul Brook <paul@codesourcery.com>
9065 Merge from csl-arm-branch.
9066 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9067 * config/arm/arm.md (movdi): Force operands[1] to a register
9068 if we have a non-register source.
9069 (*arm_movdi, *movdf_soft_insn): Require that one of the
9070 operands be a register.
9071 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9072 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9074 2006-01-20 DJ Delorie <dj@redhat.com>
9076 * varasm.c (initialize_constant_valid_p): Allow pointers
9077 initialized from integer constants of lesser precision.
9078 (output_constant): Allow non-int-sized pointer modes to be
9079 initialized from integer constants.
9081 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9084 * cppdefault.h (struct default_include): Add multilib flag.
9085 * cppdefault.c (cpp_include_defaults): Set it.
9086 * c.opt (-imultilib): New option.
9087 * c-opts.c (imultilib): New.
9088 (c_common_handle_option): Handle -imultilib.
9089 (c_common_post_options): Likewise.
9090 * c-incpath.c (add_standard_paths, register_include_chains):
9092 * c-incpath.h (register_include_chains): Add extra parameter.
9093 * gcc.c (do_spec_1): Generate -imultilib option.
9094 (The Specs Language): Update %I description.
9095 (process_command): Update copyright notice.
9096 * doc/cppopts.texi (-imultilib): Document.
9097 * doc/invoke.texi (-imultilib): Include in option summary.
9098 (%I): Update specs documentation.
9100 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9102 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9104 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9106 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9109 2006-01-20 Richard Guenther <rguenther@suse.de>
9110 Steven Bosscher <stevenb.gcc@gmail.com>
9112 PR rtl-optimization/24626
9113 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9114 EDGE_TRUE_VALUE if in RTL mode.
9117 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9118 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9120 2006-01-20 Dirk Mueller <dmueller@suse.com>
9123 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9124 instead of a special NOP marker.
9125 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9126 NOP marker handling.
9127 * c-common.h (empty_body_warning): Add forward declaration.
9128 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9129 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9131 2006-01-20 Paul Brook <paul@codesourcery.com>
9133 * Makefile.in (lang_checks): Keep going if mkdir fails.
9135 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9137 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9138 be able to clean out basic block when not necessary.
9139 (df_scan_free): Fixed to properly delete information if df is
9140 unused before calling df_finish.
9141 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9142 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9144 (df_bb_refs_delete): New function.
9145 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9146 * df-core.c (df_set_blocks): Added code to properly clean out
9147 unused blocks if they are not part of the blocks to consider.
9148 Added additional null check.
9149 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9150 be able to clean out basic block when not necessary
9151 * df.h (df_free_bb_function): Ditto.
9152 (df_bb_refs_delete): New function.
9153 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9154 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9155 basic block parameter to be able to clean out basic block when not
9157 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9158 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9159 Fixed to properly delete information if df is unused before
9162 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9164 PR rtl-optimization/25799
9165 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9166 Corrected confluence operator to remove bits from op2 before oring
9167 with op1 rather than removing bits from op1.
9168 (df_ru_transfer_function): Corrected test on wrong bitmap which
9169 caused infinite loop. Both of these problems were introduced in
9170 the dataflow rewrite.
9172 2006-01-19 DJ Delorie <dj@redhat.com>
9174 * reload1.c (find_reload_regs): Note the details of reload
9175 failures in the dump file.
9176 (spill_failure): Likewise.
9178 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9180 * loop-iv.c: Include df.h and hashtab.h.
9181 (enum iv_grd_result): New enum.
9182 (DF_REF_IV, DF_REF_IV_SET): New macros.
9183 (struct biv_entry): New.
9184 (df, bivs): New global variables.
9185 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9186 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9188 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9189 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9190 analyzed_for_bivness_p, record_biv): New functions.
9191 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9192 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9193 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9195 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9197 (iv_number_of_iterations): Use new interface to iv analysis.
9198 * loop-unroll.c: Do not include varray.h.
9199 (analyze_iv_to_split_insn): Use new interface to iv
9201 * loop-unswitch.c (may_unswitch_on): Ditto.
9202 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9204 (df_bb_modify): Realloc tables to the new index.
9205 (df_find_use): New function.
9206 * df.h (df_find_use): Declare.
9207 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9209 * cfgloop.h (struct rtx_iv): Remove analysed field.
9210 (iv_get_reaching_def): Removed.
9211 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9212 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9213 (loop-iv.o): Add df.h and hashtab.h dependency.
9214 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9216 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9219 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9221 (__floatundisf, __floatundidf): Likewise.
9222 * libgcc2.h (IS_IBM_EXTENDED): Define.
9224 2006-01-19 DJ Delorie <dj@redhat.com>
9226 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9228 2006-01-19 Paul Brook <paul@codesourcery.com>
9230 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9231 as nothrow when unwinding tables are disabled.
9233 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9236 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9237 of bit-field" when in system header.
9239 2006-01-19 DJ Delorie <dj@redhat.com>
9241 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9242 the 16 bit shift limit of the m16c.
9244 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9247 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9248 * config/i386/i386.c (output_set_got): Output the label if we have one
9249 for the TARGET_DEEP_BRANCH_PREDICTION case.
9251 2006-01-19 Jan Hubicka <jh@suse.cz>
9252 H.J. Lu <hongjiu.lu@intel.com>
9253 Evandro Menezes <evandro.menezes@amd.com>
9255 * invoke.texi (generic): Document
9257 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9258 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9259 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9260 (x86_use_incdec, x86_pad_returns): New variables
9261 (TARGET_CPU_DEFAULT_generic): New constant
9262 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9263 (enum processor_type): Add generic32 and generic64.
9264 * i386.md (cpu attribute): Add generic32/generic64
9265 (movhi splitter): Behave sanely when both partial_reg_dependency and
9266 partial_reg_stall are set.
9267 (K8 splitters): Enable for generic as well.
9268 * predicates.md (incdec_operand): Use TARGET_INCDEC
9269 (aligned_operand): Avoid memory mismatch stalls.
9270 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9271 * ppro.md: Enable for generic32
9272 * i386.c (generic64_cost, generic32_cost): New.
9273 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9274 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9275 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9276 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9277 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9278 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9279 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9280 x86_accumulate_outgoing_args, x86_prologue_using_move,
9281 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9282 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9284 (x86_use_incdec, x86_pad_returns): New.
9285 (override_options): Add generic32 and generic64, translate "generic"
9286 to generic32/generic64 and "i686" to "generic32", refuse
9287 "generic32"/"generic64" as arch target.
9288 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9289 (ix86_reorg): Honor PAD_RETURNS.
9291 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9293 * tree-pretty-print.c (dump_generic_node): Handle
9294 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9295 * cgraph.c (cgraph_expand_queue): Rename from
9296 cgraph_analyze_queue. Update all users.
9297 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9298 cgraph_expand_queue.
9299 (cgraph_expand_all_functions): Likewise.
9300 (cgraph_finalize_pending_functions): Remove. Update callers.
9302 * tree.h (OMP_DIRECTIVE_P): Define.
9303 (OMP_PARALLEL_FN): Define.
9304 (OMP_PARALLEL_DATA_ARG): Define.
9305 (OMP_SECTIONS_SECTIONS): Define.
9306 * tree-pass.h (pass_expand_omp): Declare.
9307 * omp-low.c (struct omp_region): Declare.
9308 (struct omp_context): Remove fields 'parallel_type',
9309 'parallel_start_ix' and 'parallel_start_additional_args'.
9311 (struct omp_for_data): Rename from struct expand_omp_for_data.
9312 (omp_regions): New static variable.
9313 (root_omp_region): New static variable.
9314 (find_omp_clause): Make static.
9315 (is_in_combined_parallel_ctx): Remove.
9316 (is_combined_parallel): New.
9317 (extract_omp_for_data): Move earlier in the file.
9318 (workshare_safe_to_combine_p): New.
9319 (get_ws_args_for): New.
9320 (determine_parallel_type): Move earlier in the file.
9321 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9323 (omp_copy_decl): Likewise.
9324 (create_omp_child_function): Likewise.
9325 (lookup_omp_region): New.
9326 (dump_omp_region): New.
9327 (debug_omp_region): New.
9328 (debug_all_omp_regions): New.
9329 (new_omp_region): New.
9330 (scan_omp_parallel): If parallel_nesting_level > 1, the
9331 directive is nested within another parallel directive.
9332 Set OMP_PARALLEL_FN.
9333 (scan_omp_for): Do not try to handle combined parallel+for
9335 Remove FIXME comment.
9336 (scan_omp_nested): Remove.
9337 (scan_omp_1): Do not call scan_omp_nested when
9338 parallel_nesting_level is > 1.
9339 Do not change the DECL_CONTEXT of local variables found.
9340 (lookup_decl_in_outer_ctx): New.
9341 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9342 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9343 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9344 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9345 If CTX is nested, lookup VAR in the outer context when
9346 building copy assignment.
9347 (lower_send_clauses): Rename from expand_send_clauses.
9348 If CTX is nested, lookup VAR in the outer context when
9349 building copy assignments.
9350 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9351 If CTX is nested, lookup VAR in the outer context when
9352 building copy assignments.
9353 (expand_parallel_call): Rename from build_parallel_call.
9354 Handle combined parallel+workshare cases.
9355 Re-implement to emit code into the CFG.
9357 (expand_omp_parallel): Re-implement to emit code into the CFG.
9358 Call move_sese_region_to_fn to outline the sub-graph
9359 containing the parallel region.
9360 (expand_omp_for_1): Remove.
9361 (expand_omp_for_generic): Re-implement to emit code into the
9363 (expand_omp_for_static_nochunk): Likewise.
9364 (expand_omp_for_static_chunk): Likewise.
9365 (expand_omp_for): Likewise.
9366 (expand_omp_sections): Likewise.
9367 (remove_exit_barriers): New.
9368 (expand_omp_synch): New.
9370 (build_omp_regions_1): New.
9371 (build_omp_regions): New.
9372 (execute_expand_omp): New.
9373 (gate_expand_omp): New.
9374 (pass_expand_omp): Define.
9375 (lower_omp_sections): Rename from expand_omp_sections.
9376 Set OMP_SECTIONS_SECTIONS.
9377 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9378 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9379 (lower_omp_single): Rename from expand_omp_simple.
9380 (lower_omp_master): Rename from expand_omp_master.
9381 (lower_omp_ordered): Rename from expand_omp_ordered.
9382 (lower_omp_critical): Rename from expand_omp_critical.
9383 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9384 (lower_omp_for): Re-implement.
9385 (lower_omp_parallel): Re-implement.
9386 (lower_regimplify): Rename from expand_regimplify.
9387 (lower_omp_1): Rename from expand_omp_1.
9388 If there are syntax errors in the program, replace every
9389 OpenMP directive with NOP.
9390 Call lower_omp_* instead of expand_omp_*.
9391 (lower_omp): Rename from expand_omp.
9393 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9394 * tree-gimple.h (enum omp_parallel_type): Remove.
9395 (gimple_boolify): Declare extern.
9396 (find_omp_clause, determine_parallel_type): Remove.
9398 * gimple-low.c (lower_omp_directive): New.
9399 (lower_stmt): Call it.
9400 (record_vars_into): Move from ...
9401 (record_vars): ... here.
9402 Call record_vars_into with current_function_decl.
9404 * gimplify.c (struct gimplify_ctx): Remove fields
9405 combined_pre_p and combined_ctxp. Update users.
9406 (get_formal_tmp_var): Add documentation.
9407 (gimple_boolify): Make extern.
9408 (gimplify_expr_in_ctx): Remove. Update callers.
9409 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9410 will always be a BIND_EXPR.
9411 (gimplify_expr): Handle OMP_RETURN_EXPR.
9412 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9413 (OMP_PARALLEL): Add 3 operands.
9414 (OMP_SECTIONS): Add 1 operand.
9415 (OMP_RETURN_EXPR): Define.
9417 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9418 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9419 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9420 creating a circular free list.
9421 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9423 * tree-flow.h (move_sese_region_to_fn): Declare.
9424 (record_vars_into): Declare.
9425 * tree-cfg.c (make_omp_sections_edges): New.
9426 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9427 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9428 OMP_SECTIONS and OMP_SECTION.
9429 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9430 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9431 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9432 (gather_blocks_in_sese_region): New.
9433 (struct move_stmt_d): Declare.
9435 (move_block_to_fn): New.
9436 (move_sese_region_to_fn): New.
9438 * passes.c (init_optimization_passes): Schedule
9439 pass_expand_omp after pass_init_datastructures.
9441 * tree-ssa-operands.c (get_expr_operands): Handle
9442 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9443 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9445 2006-01-19 Jeff Law <law@redhat.com>
9447 * tree-vrp.c (extract_range_from_assert): Refine the result range
9448 if the variable referenced by the ASSERT_EXPR has a range and
9449 either the tentative result range or the previous range is a
9452 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9454 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9456 2006-01-19 Jan Hubicka <jh@suse.cz>
9458 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9460 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9462 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9463 (expand_compound_operation, expand_field_assignment): Fail if the
9464 bit lengths of an extract operation are out of range.
9465 (make_extraction): Compute wanted_inner_mode based on the position
9466 and length of the extraction. Make it extraction_mode for non-constant
9467 positions, and do not modify offset in that case. When generating a
9468 new MEM, use a mode that can hold the extraction while keeping correct
9469 alignment. Remove code that supported MEMs wrapped by USEs.
9470 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9472 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9474 * config/s390/s390.md ("Y", "y"): New mode attribute.
9475 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9476 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9477 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9478 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9479 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9480 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9481 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9482 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9483 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9484 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9485 "addsi3", "subsi3"): Insn patterns removed.
9486 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9487 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9488 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9489 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9490 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9491 "*sub<mode>3_cconly2"): New insn patterns.
9492 ("addsi3", "subsi3"): New expanders.
9494 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9496 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9497 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9498 existing STMT_VINFO_VECTYPE if available.
9499 (vect_mark_relevant): Add special handling for stmts that are
9500 marked as STMT_VINFO_IN_PATTERN_P.
9501 (vect_analyze_loop): Call vect_pattern_recog.
9502 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9503 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9505 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9506 (vect_recog_func_ptr): New function-pointer type.
9507 * tree-vect-patterns.c: New file.
9508 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9509 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9510 (vect_pattern_recog_1): New functions.
9511 (vect_pattern_recog_funcs): New array of function pointers.
9513 * tree-vectorizer.h (ternary_op): New enum value.
9514 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9515 declaration. Revised documentation. Removed redundant dump prints.
9516 Removed redundant argument. Added support for reduction patterns.
9517 (vectorizable_reduction): Added support for reduction patterns.
9518 (vect_transform_stmt): Added support for patterns.
9520 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9521 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9522 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9523 (expand_widen_pattern_expr): New function.
9524 (init_optabs): Initialize new optabs udot_prod_optab,
9526 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9527 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9528 (expand_widen_pattern_expr): New function declaration.
9529 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9531 * tree-inline.c (estimate_num_insns_1): Added cases for new
9532 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9533 * tree-pretty-print.c (dump_generic_node): Likewise.
9534 (op_prio): Likewise.
9535 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9536 * tree-ssa-operands.c (get_expr_operands): Added case for
9538 * tree-vect-patterns.c (widened_name_p): New function.
9539 (vect_recog_dot_prod_pattern): Added function implementation.
9540 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9541 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9542 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9543 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9545 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9546 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9547 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9548 (init_optabs): Initialize new optabs widen_ssum_optab,
9550 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9551 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9552 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9553 use instead of type of def.
9554 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9555 function implementation.
9556 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9557 widen_ssumv8hi): New.
9559 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9562 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9565 * c-decl.c (add_flexible_array_elts_to_size): New function.
9566 (finish_decl): Use it.
9568 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9570 * diagnostic.h: Include options.h.
9571 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9572 dependancies for diagnostic.h.
9573 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9575 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9577 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9578 (ssa_ro_call_cache_valid): Ditto.
9579 * tree-ssa-alias.c (sort_tags_by_id): New function.
9580 (init_transitive_clobber_worklist): Ditto.
9581 (add_to_worklist): Ditto.
9582 (mark_aliases_call_clobbered): Ditto.
9583 (compute_tag_properties): Ditto.
9584 (set_initial_properties): Ditto.
9585 (compute_call_clobbered): Ditto.
9586 (compute_may_aliases): Call compute_call_clobbered and grouping.
9587 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9588 (compute_flow_insensitive_aliasing): Grouping now happens in our
9590 (setup_pointers_and_addressables): Remove clobbering related code.
9591 (add_may_alias): Ditto.
9592 (replace_may_alias): Ditto.
9593 (get_nmt_for): Ditto.
9594 (create_global_var):
9595 (is_escape_site): Return an escape_type enumeration.
9596 * tree-flow-inline.h (is_call_clobbered): Global var does not
9597 imply call clobbered.
9598 (mark_call_clobbered): Take a reason for marking this. Remove
9599 marking of globalness, and cache invalidation.
9600 (clear_call_clobbered): Remove cache invalidation code.
9601 * tree-dfa.c (dump_variable): If details is on, dump the reason
9603 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9605 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9606 (struct var_ann_d): Ditto.
9607 (enum escape_type): New.
9608 (mark_call_clobbered): Adjust prototype.
9609 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9610 are never call clobbered.
9611 Record reasons for escaping.
9612 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9613 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9614 (ssa_ro_call_cache_valid): Ditto.
9615 (clobbered_v_may_defs): Ditto.
9616 (clobbered_vuses): Ditto.
9617 (ro_call_vuses): Ditto.
9618 (clobber_stats): New.
9619 (init_ssa_operands): Zero out clobber stats.
9620 (fini_ssa_operands): Print out clobber stats.
9621 (get_call_expr_operands): Pass callee fndecl to
9623 (add_call_clobber_ops): Remove use of cache.
9624 Add use of PURE_CONST information.
9625 (add_call_read_ops): Remove use of cache.
9626 Add use of static not_read information.
9628 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9630 Introduce TLS descriptors for i386 and x86_64.
9631 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9632 (TARGET_ANY_GNU_TLS): New macro.
9633 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9634 (struct machine_function): Add tls_descriptor_call_expanded_p.
9635 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9636 (ix86_current_function_calls_tls_descriptor): Likewise.
9637 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9638 (override_options): Introduce gnu2 tls dialect.
9639 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9641 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9643 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9644 (ix86_init_machine_status): Initialize new field.
9645 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9646 (ix86_tls_module_base): New.
9647 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9648 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9649 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9650 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9651 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9652 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9653 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9654 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9655 * config/i386/predicates.md (tls_modbase_operand): New.
9656 (tp_or_register_operand): New.
9658 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9660 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9661 (look_for_address_of): Ditto.
9662 (ipa_init): Walk the function decls.
9663 (static_execute): Don't set readonly on FUNCTION_DECL's.
9665 2006-01-18 Roger Sayle <roger@eyesopen.com>
9667 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9668 for shifts where the source and destination registers are different.
9670 2006-01-18 Paul Brook <paul@codesourcery.com>
9672 Merge from csl-arm-branch.
9673 2005-03-14 Julian Brown <julian@codesourcery.com>
9674 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9675 (aeabi_llsl): Likewise.
9676 (ashrdi3): Likewise.
9677 (aeabi_lasr): Likewise.
9678 (lshrdi3): Likewise.
9679 (aeabi_llsr): Likewise.
9680 2005-03-10 Julian Brown <julian@codesourcery.com>
9681 * config.gcc: Disable shared libgcc for SymbianOS.
9682 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9684 2006-01-18 DJ Delorie <dj@redhat.com>
9686 * c-pragma.c (handle_pragma_diagnostic): New.
9687 (init_pragma): Register it.
9688 * doc/extend.texi: Document it.
9690 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9691 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9692 (diagnostic_context): Add classify_diagnostic[].
9693 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9694 as errors if they're overridden to DK_WARNING.
9695 (diagnostic_initialize): Initialize classify_diagnostic[].
9696 (diagnostic_set_kind_override): New.
9697 (diagnostic_report_diagnostic): Check for kind changes.
9698 * opts.c (common_handle_option): Take lang_mask. Update callers.
9700 * common.opt (Werror=): New.
9701 * doc/invoke.texi: Document -Werror=*
9703 2006-01-18 Jeff Law <law@redhat.com>
9705 * tree-vrp.c (test_for_singularity): Correct test for new
9706 min limit. Use operand_equal_p rather than pointer equality
9707 for testing if new min/max values are equal.
9709 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9710 using range information until after propagation and folding.
9712 2006-01-18 Richard Henderson <rth@redhat.com>
9713 Aldy Hernandez <aldyh@redhat.com>
9714 Jakub Jelinek <jakub@redhat.com>
9715 Diego Novillo <dnovillo@redhat.com>
9717 * omp-low.c: New file.
9718 * c-omp.c: New file.
9720 2006-01-18 Richard Henderson <rth@redhat.com>
9721 Jakub Jelinek <jakub@redhat.com>
9722 Diego Novillo <dnovillo@redhat.com>
9724 * doc/invoke.texi: Document -fopenmp.
9725 * tree-dump.h (debug_function): Declare.
9726 * hooks.c (hook_bool_tree_bool_false): New function.
9727 (hook_tree_tree_null): Remove.
9728 (hook_tree_tree_tree_null): New.
9729 * hooks.h: Update to match.
9730 * tree-pretty-print.c (debug_tree_chain): New.
9731 (print_generic_expr): Handle TDF_CHAIN.
9732 (dump_generic_node): Handle BLOCK.
9733 Do not abort with incomplete SWITCH_EXPRs.
9734 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9735 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9736 print space after directive name.
9737 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9738 Handle OMP_MASTER and OMP_ORDERED.
9739 Handle printing of OMP_BODY just in one place, goto
9740 dump_omp_body in the rest of OMP_* nodes that have
9742 Don't handle clause nodes here. Update omp statements to
9743 use dump_omp_clauses.
9744 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9745 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9746 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9747 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9748 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9749 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9750 Adjust output for GOMP_PARALLEL.
9751 (dump_omp_clauses): New.
9752 (print_declaration): Dump DECL_VALUE_EXPR.
9753 (op_symbol_1): Split out of op_symbol.
9754 (dumping_stmts): Remove. Update all users.
9755 * cgraph.c (cgraph_analyze_queue): New.
9756 (cgraph_add_new_function): New.
9757 * cgraph.h (cgraph_analyze_queue): Declare.
9758 (cgraph_add_new_function): Declare.
9759 (cgraph_lower_function): Remove.
9760 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9761 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9762 and TYPE_P nodes in its default clause.
9763 (empty_body_p): New.
9764 (tree_range_check_failed): New.
9766 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9767 OMP_CLAUSE_REDUCTION_MERGE,
9768 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9769 OMP_CLAUSE_PRIVATE_DEBUG,
9770 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9771 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9772 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9773 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9774 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9775 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9776 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9777 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9778 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9779 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9780 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9781 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9782 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9783 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9784 (TREE_RANGE_CHECK): New.
9785 (empty_body_p): Declare.
9786 (enum omp_clause_default_kind): New.
9787 (build_string_literal): Declare.
9788 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9789 (build5_stat, build5): Declare.
9790 * tree-pass.h (TDF_CHAIN): Define.
9791 * tree-pass.h (PROP_gimple_lomp): Define.
9792 (pass_lower_omp): Declare.
9793 * diagnostic.h (debug_tree_chain): Declare.
9794 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9796 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9797 * builtins.c (build_string_literal): Make extern.
9798 * gcc.c (include_spec_function): New.
9799 (static_spec_functions): Add it.
9800 (main): Move load of libgomp.spec ...
9801 (LINK_COMMAND_SPEC): ... here.
9802 (link_gomp_spec): New.
9803 (static_specs): Include it.
9804 (LINK_COMMAND_SPEC): Add link_gomp.
9805 (GOMP_SELF_SPECS): New.
9806 (driver_self_specs): Include it.
9807 (switch_matches): Don't mark inline.
9808 (main): Load libgomp.spec.
9809 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9810 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9811 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9812 * tree-gimple.h (enum omp_parallel): Declare.
9813 (determine_parallel_type): Declare.
9814 (omp_firstprivatize_variable): Declare.
9815 (omp_reduction_init): Declare.
9816 (diagnose_omp_structured_block_errors): Declare.
9817 (struct walk_stmt_info): Add want_return_expr.
9818 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9819 (find_omp_clause): Declare.
9820 (insert_field_into_struct): Declare.
9821 (struct walk_stmt_info): Move from tree-nested.c
9822 (walk_stmts): Declare.
9823 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9825 * cgraphunit.c (cgraph_lower_function): Make static.
9826 (cgraph_finalize_pending_functions): New.
9827 (cgraph_finalize_function): Call it.
9828 (cgraph_finalize_compilation_unit): Likewise.
9829 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9830 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9831 (BT_FN_UINT_UINT): New.
9832 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9833 DEF_FUNCTION_TYPE_VAR_4): Document.
9834 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9835 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9836 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9837 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9838 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9839 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9840 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9841 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9842 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9843 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9844 into separate files.
9845 (DEF_GOMP_BUILTIN): New.
9846 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9847 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9848 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9849 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9850 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9851 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9852 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9853 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9854 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9855 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9856 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9857 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9858 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9859 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9860 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9861 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9862 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9863 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9864 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9865 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9866 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9867 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9868 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9869 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9870 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9871 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9872 * sync-builtins.def: New file, moved from builtins.def.
9873 * omp-builtins.def: New file, moved from builtins.def.
9874 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9875 * gimple-low.c (lower_function_body): Clear data.
9876 (lower_stmt): Do not handle COMPOUND_EXPR.
9877 Remove call to print_node_brief.
9878 * c-tree.h (c_finish_omp_clauses): New prototype.
9879 (C_DECL_THREADPRIVATE_P): Define.
9880 (lookup_name_no_remap, c_omp_remap_private): Remove
9881 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9882 (check_for_loop_decls): Update decl.
9883 (lookup_name_no_remap, c_omp_remap_private): Declare.
9884 (build_indirect_ref, build_modify_expr, pushdecl,
9885 pushdecl_top_level): Move to c-common.h.
9886 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9887 before the switch, but just in the 2 places that need it.
9888 * c-decl.c (diagnose_mismatched_decls): Do not check for
9889 mismatched thread-local attributes when OLDDECL is marked
9890 threadprivate and NEWDECL has no thread-local attributes.
9891 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9892 (c_gimple_diagnostics_recursively): Rename from
9893 c_warn_unused_result_recursively. Invoke
9894 diagnose_omp_structured_block_errors.
9895 (check_for_loop_decls): Return a singular decl found.
9896 * langhooks.c (lhd_omp_predetermined_sharing): Return
9897 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9898 (lhd_omp_firstprivatize_type_sizes): New.
9899 (lhd_omp_assignment): New.
9900 (lhd_omp_predetermined_sharing): New.
9901 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9902 (struct lang_hooks_for_types): Add
9903 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9904 omp_predetermined_sharing, omp_disregard_value_expr,
9905 omp_private_debug_clause, omp_clause_default_ctor,
9906 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9907 (c_finish_omp_clauses): New.
9908 (c_finish_bc_stmt): Diagnose break within omp for.
9909 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9910 (build_unary_op): Return error_mark after reporting
9912 (build_modify_expr): Likewise.
9913 * gimplify.c: Include optabs.h and pointer-set.h.
9914 (enum gimplify_omp_var_data): Declare.
9915 (struct gimplify_omp_ctx): Declare.
9916 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9918 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9919 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9920 (splay_tree_compare_decl_uid): New.
9921 (new_omp_context): New.
9922 (delete_omp_context): New.
9923 (gimple_add_tmp_var): Call omp_add_variable.
9924 (gimplify_bind_expr): Likewise.
9925 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9926 true, disregard DECL_VALUE_EXPR on the decl if any.
9927 (gimplify_expr_in_ctx): New.
9928 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9929 omp_add_variable, omp_notice_variable, omp_is_private
9930 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9931 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9932 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9933 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9934 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9935 gimplify_omp_atomic): New.
9936 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9937 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9938 OMP_CRITICAL and OMP_ATOMIC.
9939 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9940 * c-pragma.h (enum pragma_kind): Add
9941 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9942 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9943 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9944 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9945 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9946 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9947 PRAGMA_OMP_THREADPRIVATE.
9948 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9949 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9950 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9951 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9952 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9953 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9954 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9955 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9956 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9957 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9958 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9959 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9960 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9962 (struct nesting_info): Add field_map,
9963 suppress_expansion, debug_var_chain.
9964 (create_nesting_tree): Initialize them.
9965 (lookup_field_for_decl): Use field_map.
9966 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9967 (convert_local_omp_clauses): New.
9968 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9969 (walk_body): Split out of walk_function.
9970 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9971 (convert_nonlocal_reference): Handle omp statements.
9972 (convert_local_reference): Likewise.
9973 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9974 (unnest_nesting_tree): New.
9975 (lower_nested_functions): Call it.
9976 (insert_field_into_struct): Make extern.
9977 (struct walk_stmt_info): Move to tree-gimple.h.
9978 (walk_stmts): Make extern.
9979 * omp-builtins.def: New file.
9980 * tree-iterator.c (expr_only): Clarify comment.
9981 * c-common.h (pushdecl_top_level, pushdecl,
9982 build_modify_expr, build_indirect_ref,
9983 c_finish_omp_master, c_finish_omp_critical,
9984 c_finish_omp_ordered, c_finish_omp_barrier,
9985 c_finish_omp_atomic, c_finish_omp_flush,
9986 c_finish_omp_for, c_split_parallel_clauses,
9987 omp_clause_default_kind, c_omp_sharing_predetermined,
9988 c_omp_remap_decl): Declare.
9989 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9990 (OBJS-common): Add omp-low.o.
9991 (c-omp.o, omp-low.o): Add.
9992 (gimplify.o): Add dependency on $(OPTABS_H).
9993 (GTFILES): Add omp-low.c.
9994 (gt-stringpool.h): Add.
9995 * tree-cfg.c (set_bb_for_stmt): Do not update the
9996 block-to-labels map if we are currently expanding to RTL.
9997 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9999 Handle IDENTIFIER_NODE.
10000 (tree_verify_flow_info): Do not ICE when emitting error
10001 messages about invalid labels.
10002 (dump_function_to_file): Reset CFUN before emitting the body
10004 (debug_function): New.
10005 * passes.c (init_optimization_passes): Schedule
10007 * langhooks-def.h (lhd_omp_predetermined_sharing,
10008 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10010 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10011 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10012 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10013 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10014 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10015 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10016 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10017 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10018 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10019 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10020 (LANG_HOOK_DECLS): Use them.
10022 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10023 Richard Henderson <rth@redhat.com>
10024 Jakub Jelinek <jakub@redhat.com>
10025 Diego Novillo <dnovillo@redhat.com>
10027 * c-parser.c (pragma_omp_clause): Define.
10028 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10029 (c_parser_compound_statement): Likewise.
10030 (c_parser_statement): Likewise.
10031 (c_parser_pragma): Handle omp pragmas.
10032 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10033 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10034 (c_parser_omp_clause_name, check_no_duplicate_clause,
10035 c_parser_omp_variable_list,
10036 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10037 c_parser_omp_clause_copyprivate,
10038 c_parser_omp_clause_default,
10039 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10040 c_parser_omp_clause_lastprivate,
10041 c_parser_omp_clause_nowait,
10042 c_parser_omp_clause_num_threads,
10043 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10044 c_parser_omp_clause_reduction,
10045 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10046 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10047 c_parser_omp_atomic, c_parser_omp_barrier,
10048 c_parser_omp_critical, c_parser_omp_flush,
10049 c_parser_omp_for_loop, c_parser_omp_for,
10050 c_parser_omp_master, c_parser_omp_ordered,
10051 c_parser_omp_sections_scope, c_parser_omp_sections,
10052 c_parser_omp_parallel, c_parser_omp_single,
10053 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10054 * c-pragma.c (init_pragma): Do omp pragma registration here.
10055 * c.opt (fopenmp): New flag.
10057 2006-01-18 Eric Christopher <echristo@apple.com>
10059 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10060 * config/darwin.h (GOMP_SELF_SPECS): Define.
10062 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10064 * rtl.h: Remove the prototype for reg_alloc.
10066 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10069 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10070 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10071 sjlj and dwarf2 exception handling.
10072 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10073 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10074 * pa/pa.c (function_value): Treat complex and vector types as
10076 (function_arg): Likewise. Only pass scalar floats in the floating
10077 point argument registers.
10078 * pa/t-slibgcc-dwarf-ver: New file.
10079 * pa/t-slibgcc-sjlj-ver: New file.
10080 * pa/t-slibgcc-elf-ver: Delete file.
10082 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10084 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10085 unlikely_test_section_p test.
10087 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10089 * mode-switching.c (optimize_mode_switching): Make it static.
10090 * basic-block.h: Remove the prototype for
10091 optimize_mode_switching.
10093 * modulo-sched.c (sms_schedule): Make it static.
10094 * rtl.h: Remove the prototype for sms_schedule.
10096 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10097 * rtl.h: Remove the prototype for gcse_after_reload_main.
10099 * reg-stack.c (reg_to_stack): Make it static.
10100 * rtl.h: Remove the prototype for reg_to_stack.
10102 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10104 * rtl.h: Remove the prototypes for regrename_optimize and
10105 copyprop_hardreg_forward.
10107 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10109 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10110 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10111 Test against the appropriate null constant for the mode.
10112 If 'fixup_overlap' is true, swap the operands if they overlap.
10113 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10114 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10115 alpha_split_tmode_pair and adjust for above change.
10116 * config/alpha/alpha.md (movtf_internal): Adjust call to
10117 alpha_split_tfmode_pair and rely on it to swap the operands.
10118 (movti_internal): New insn and post-reload splitter.
10119 (movti): New expander.
10121 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10123 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10126 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10128 * rtlanal.c (global_reg_mentioned_p_1,
10129 global_reg_mentioned_p): Remove.
10130 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10132 * flow.c (initialize_uninitialized_subregs): Make it static.
10133 * rtl.h: Remove the prototype for
10134 initialize_uninitialized_subregs.
10136 * function.c (instantiate_virtual_regs): Make it static.
10137 * function.h: Remove the prototype for
10138 instantiate_virtual_regs.
10140 * regmove.c (regmove_optimize, combine_stack_adjustments):
10142 * rtl.h: Remove the prototypes for regmove_optimize and
10143 combine_stack_adjustments.
10145 2006-01-17 Roger Sayle <roger@eyesopen.com>
10147 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10148 (size_cost): Encode costs in bytes so that a reg-reg addition is
10149 equivalent to COSTS_N_INSNS(1).
10150 (override_options): Use the size_cost.branch_cost as the default
10151 ix86_branch_cost when optimizing for size.
10153 2006-01-18 Ben Elliston <bje@au.ibm.com>
10155 * Makefile.in (D32PBIT_FUNCS): New.
10156 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10157 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10158 D64PBIT_FUNCS and D128PBIT_FUNCS.
10159 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10160 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10162 (decnumber_dep): Define.
10163 * doc/libgcc.texi (Decimal float library routines): New node.
10164 * config/dfp-bit.h, config/dfp-bit.c: New files.
10166 2006-01-18 Ben Elliston <bje@au.ibm.com>
10168 * expr.c (emit_move_change_mode): Always adjust addresses, not
10169 just during reload. Copy replacements only during reload.
10170 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10171 emit_move_via_integer.
10173 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10175 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10176 instead of $(srcdir) and ${srcdir}.
10178 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10181 PR middle-end/11135
10182 * arm.h (struct machine_function): Add pic_reg.
10183 * arm.c (arm_pic_register): Make unsigned.
10184 (arm_override_options): Only set arm_pic_register if
10185 TARGET_SINGLE_PIC_BASE.
10186 (use_return_insn): Only test for a pic register if it is fixed.
10187 (arm_compute_save_reg0_reg12_mask): Likewise.
10188 (thumb_compute_save_reg_mask): Likewise.
10189 (legitimate_pic_operand): Factor out some known invariants.
10190 (legitimize_pic_address): If we don't have a fixed pic register,
10191 then set up a pseudo in the function entry sequence. Handle the
10192 pic base being in a pseudo.
10193 (arm_load_pic_register): Handle the pic register being in a pseudo.
10194 (arm_expand_prologue): Only set up the pic register if it is fixed.
10195 (thumb_expand_prologue): Likewise.
10196 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10197 (pic_load_addr_based_insn): Likewise.
10198 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10201 2006-01-18 Ben Elliston <bje@au.ibm.com>
10203 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10204 decimal float modes for all floating point registers.
10206 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10207 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10209 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10212 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10213 even when the pointer is not NULL.
10215 2006-01-16 Ian Lance Taylor <ian@airs.com>
10217 * common.opt (ftoplevel-reorder): New option.
10218 * cgraph.c (cgraph_asm_nodes): New global variable.
10219 (cgraph_asm_last_node): New static variable.
10220 (cgraph_order): New global variable.
10221 (cgraph_create_node): Set new order field.
10222 (cgraph_varpool_node): Likewise.
10223 (decide_is_variable_needed): Return true if not
10224 flag_toplevel_reorder.
10225 (cgraph_add_asm_node): New function.
10226 * cgraph.h (struct cgraph_node): Add order field.
10227 (struct cgraph_varpool_node): Add order field.
10228 (struct cgraph_asm_node): Define.
10229 (cgraph_asm_nodes, cgraph_order): Declare.
10230 (cgraph_add_asm_node): Declare.
10231 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10233 (cgraph_varpool_assemble_pending_decls): Call it.
10234 (cgraph_output_pending_asms): New static function.
10235 (cgraph_finalize_compilation_unit): Call it.
10236 (struct cgraph_order_sort): Define.
10237 (cgraph_output_in_order): New static function.
10238 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10239 !flag_toplevel_reorder case.
10240 * c-parser.c: Include "cgraph.h".
10241 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10243 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10244 than -fno-unit-at-a-time.
10245 * doc/invoke.texi (Option Summary): Mention
10246 -fno-toplevel-reorder.
10247 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10248 -funit-at-a-time documentation.
10250 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10251 Kazu Hirata <kazu@codesourcery.com>
10253 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10255 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10257 * Makefile.in (FUNCTION_H): New. Use it instead of
10258 function.h throughout the file.
10259 * function.h: Include tree.h.
10261 2006-01-17 Ben Elliston <bje@au.ibm.com>
10263 * recog.c: Separate some functions with whitespace.
10265 2006-01-16 Richard Henderson <rth@redhat.com>
10267 Merge from gomp branch:
10268 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10269 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10270 and rename from struct inline_data. Rename callee* to dst*;
10271 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10272 transform_new_cfg, transform_return_to_modify, and
10273 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10275 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10276 (copy_decl_for_dup): Remove.
10277 * tree-inline.c (struct inline_data): Move to header.
10278 (insert_decl_map): Export.
10279 (remap_decl): Update for member name changes. Use copy_decl hook.
10280 Allow for replacement to be a non-decl. Remove dead code.
10281 (remap_type_1): Check for existing mapping.
10282 (remap_type): Export.
10283 (remap_decls): Update for member name changes.
10284 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10285 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10286 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10287 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10288 (tree_function_versioning, build_duplicate_type): Likewise.
10289 (copy_body_r): Likewise. Export.
10290 (copy_decl_for_dup): Split into ...
10291 (copy_decl_for_dup_finish, copy_decl_to_var,
10292 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10293 (replace_ref_tree, inlining_p): Remove.
10295 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10297 * ifcvt.c (if_convert): Make it static.
10298 * rtl.h: Remove the prototype for if_convert.
10300 * local-alloc.c (local_alloc): Make it static.
10301 * rtl.h: Remove the prototype for local_alloc.
10303 * loop.c (loop_optimize): Make it static.
10304 * cfgloop.h: Remove the prototype for loop_optimize.
10307 2006-01-16 DJ Delorie <dj@redhat.com>
10309 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10312 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10314 * pa.md: Disparage copies between general and floating-point registers
10315 in 32-bit move patterns.
10317 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10320 * Makefile.in (check-%): Depend on site.exp instead of
10321 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10324 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10326 * global.c (global_alloc): Make it static.
10327 * rtl.h: Remove the prototype for global_alloc.
10329 2006-01-16 Richard Guenther <rguenther@suse.de>
10331 * tree-ssa-alias.c (struct used_part): Add write_only field.
10332 (get_or_create_used_part_for): Initialize it to true.
10333 (create_overlap_variables_for): Don't create structure variables
10334 for structures that only are written to.
10335 (find_used_portions): Handle MODIFY_EXPR to track whether a
10336 structure is only written to.
10338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10340 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10342 * basic-block.h: Remove the prototype for
10343 partition_hot_cold_basic_blocks.
10345 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10347 * cppspec.c (lang_specific_spec_functions): Remove.
10348 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10349 * gcc.h (lang_specific_spec_functions): Remove.
10350 * gccspec.c (lang_specific_spec_functions): Remove.
10352 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10354 * combine.c (record_value_for_reg): Invalidate registers
10356 (record_dead_and_set_regs_1): Likewise, by passing them to
10357 record_value_for_reg.
10358 (record_dead_and_set_regs): Invalidate stores made by a
10359 call. We do not combine across a call, but we still
10360 relied on equivalences.
10362 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10364 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10365 vrp_int_const_binop returning non-constant nodes.
10367 2006-01-16 Paul Brook <paul@codesourcery.com>
10369 * config/m68k/m68k.c (output_move_const_into_data_reg):
10370 Output correct mnemonic for mvz and mvs.
10372 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10374 * rtl-factoring.c: Add sequence abstraction algorithm.
10375 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10376 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10378 (block_has_preserve_label): New function.
10379 * common.opt: Register new pass.
10380 * Makefile.in: Ditto.
10382 * timevar.def: Ditto.
10383 * tree-pass.h: Ditto.
10384 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10385 * rtl.h (make_jump_insn_raw): Add forward decl.
10386 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10388 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10389 Roger Sayle <roger@eyesopen.com>
10391 * fold-const.c (fold_minmax): New static function.
10392 (fold_binary) <MIN_EXPR>: Call it.
10393 <MAX_EXPR>: Likewise.
10394 * stor-layout.c (place_field): Use DECL_SIZE consistently
10395 in the computation of the new record size.
10397 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10399 * cse.c (cse_condition_code_reg): Make it static.
10400 * rtl.h: Remove the prototype for cse_condition_code_reg.
10402 * combine.c (combine_instructions): Make it static.
10403 * rtl.h: Remove the prototype for combine_instructions.
10405 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10408 * tree.c (get_file_function_name_long): Concatenate the first global
10409 object name with a string derived from the input filename of the object
10412 2006-01-16 Ben Elliston <bje@au.ibm.com>
10414 * config/i386/winnt-stubs.c: Update FSF address.
10415 * config/xtensa/ieee754-df.S: Ditto.
10416 * config/xtensa/ieee754-sf.S: Ditto.
10418 2006-01-14 Ian Lance Taylor <ian@airs.com>
10420 * ifcvt.c (noce_init_if_info): New static function, broken out of
10421 noce_process_if_block.
10422 (noce_process_if_block): Call noce_init_if_info.
10423 (check_cond_move_block): New static function.
10424 (cond_move_process_if_block): New static function.
10425 (process_if_block): Call cond_move_process_if_block.
10427 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10429 * cselib.c (hash_table): Rename to cselib_hash_table.
10430 (cselib_clear_table, discard_useless_values,
10431 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10432 cselib_init, cselib_finish): Adjust uses of hash_table.
10434 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10436 PR tree-optimization/25485
10437 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10438 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10439 is known to be false and true, respectively.
10441 2006-01-14 Richard Guenther <rguenther@suse.de>
10443 PR tree-optimization/22548
10444 PR tree-optimization/22555
10445 PR tree-optimization/22501
10446 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10447 * params.def (salias-max-array-elements): New parameter.
10448 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10449 * doc/invoke.texi (salias-max-array-elements): Document.
10450 * tree-flow-inline.h (var_can_have_subvars): We also handle
10452 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10454 * tree-ssa-structalias.c (params.h): Include.
10455 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10456 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10457 (get_constraint_for): For ADDR_EXPR operating on something
10458 containing an ARRAY_REF, add all subvars to the solution.
10459 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10460 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10461 for creating MUST_DEFs.
10462 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10464 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10466 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10468 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10469 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10470 number_of_iterations_le): New functions.
10471 (number_of_iterations_special): Removed.
10472 (number_of_iterations_exit): Do not use number_of_iterations_special.
10473 * tree.c (unsigned_type_for): Always return integer type.
10475 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10476 Richard Guenther <rguenther@suse.de>
10478 PR rtl-optimization/24257
10479 * gcse.c (find_moveable_store): Only consider a store movable
10480 when the SET_SRC of the insn can be assigned to a register.
10482 2006-01-14 Ian Lance Taylor <ian@airs.com>
10484 * tree.c (tree_not_class_check_failed): New function.
10485 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10486 (tree_not_class_check_failed): Declare.
10488 2006-01-13 Ian Lance Taylor <ian@airs.com>
10490 * reload1.c (do_output_reload): Add assertion rejecting a
10493 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10495 * combine.c (struct reg_stat): Add new fields truncation_label and
10497 (record_value_for_reg): Reset truncated_to_mode.
10498 (record_truncated_value): New function.
10499 (check_promoted_subreg): Call it. Rename to check_conversions.
10500 (combine_instructions): Rename check_promoted_subreg to
10502 (reg_truncated_to_mode): New function.
10503 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10504 (gen_lowpart_or_truncate): New function.
10505 (force_to_mode): Use it instead of gen_lowpart.
10507 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10509 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10510 VAR is a tag, not its type tag.
10512 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10514 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10515 alternatives to match style of other entries.
10516 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10518 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10520 PR tree-optimization/25771
10521 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10524 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10527 * tree-inline.c (declare_return_variable): If the return variable
10528 was marked as a non gimple complex, set the return slot variable
10529 to be a non gimple comple variable.
10531 2006-01-13 Richard Guenther <rguenther@suse.de>
10533 * builtins.c (expand_builtin_sincos): New function.
10534 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10536 (expand_builtin): Expand sincos using expand_builtin_sincos.
10538 2006-01-12 DJ Delorie <dj@redhat.com>
10540 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10541 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10542 so that constant shifts can be split.
10543 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10544 (m32c_valid_pointer_mode): Make static.
10545 (shift_gen_func_for): New.
10546 (m32c_prepare_shift): Use it. Split large const shifts into
10548 * config/m32c/predicates.md (shiftcount_operand): Allow more
10550 (longshiftcount_operand): New.
10551 * doc/md.texi (Machine Constraints): Document In6.
10553 2006-01-13 Ben Elliston <bje@au.ibm.com>
10555 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10556 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10559 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10561 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10562 to try to avoid clobbering pieces of structures when we know
10563 something about the whole structure.
10564 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10566 2006-01-13 Ben Elliston <bje@au.ibm.com>
10568 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10569 return in memory, as this is no limitation is no longer present.
10571 2006-01-12 DJ Delorie <dj@redhat.com>
10573 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10574 mova with fb, and for fb+0 -> An.
10576 * config/m32c/mov.md (peephole2): Fix enabling logic.
10578 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10579 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10580 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10581 FINI_ARRAY_SECTION_ASM_OP): Define.
10583 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10585 (m32c_legitimize_reload_address): New logic to reload FB to An.
10586 (m32c_output_reg_push): Add newline.
10587 (m32c_output_reg_pop): Likewise.
10589 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10591 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10593 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10595 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10597 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10599 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10602 2006-01-11 Ben Elliston <bje@au.ibm.com>
10604 * rtlanal.c (find_reg_note): Assert insn is not null.
10606 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10608 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10611 2006-01-11 Jeff Law <law@redhat.com>
10613 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10615 (mark_threaded_blocks, register_jump_thread): New functions.
10616 (thread_through_all_blocks): Remove unwanted argument. No
10617 longer rely on e->aux to communicate thread target info.
10618 Call mark_threaded_blocks. Release the threaded_blocks
10619 bitmap and threaded_edges vector when complete.
10620 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10621 (threaded_blocks): Remove.
10622 (tree_ssa_dominator_optimize): Remove initialization and
10623 finalization of threaded_blocks. Simplify call to
10624 thread_through_all_blocks.
10625 (thread_across_edge): Call register_jump_thread rather than
10626 storing thread information into e->aux.
10627 (free_all_edge_infos): Simplify now that e->aux is no longer
10628 used to communicate with thread_through_all_blocks.
10629 * tree-flow.h (thread_through_all_blocks): Update prototype.
10630 (register_jump_thread): Prototype.
10632 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10634 * df-core.c (df_compact_blocks, df_bb_replace): Use
10635 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10637 2006-01-11 Richard Guenther <rguenther@suse.de>
10639 PR tree-optimization/25734
10640 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10641 stop propagation after successful propagation to the LHS.
10643 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10645 * basic-block.h (control_flow_graph): Change the type of
10646 x_basic_block_info to VEC(basic_block,gc) *.
10647 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10649 (SET_BASIC_BLOCK): New.
10650 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10651 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10652 * cfgbuild.c (find_basic_blocks): Likewise.
10653 * cfglayout.c (fixup_reorder_chain): Likewise.
10654 * cfgrtl.c (create_basic_block_structure,
10655 rtl_create_basic_block): Likewise.
10656 * ifcvt.c (find_if_case_1): Likewise.
10657 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10660 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10662 * Makefile.in: Removed rotted odf.c entry.
10664 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10667 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10668 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10669 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10670 output pattern modifier, not %e.
10671 * config/cris/cris.c (cris_op_str): Update comment about pattern
10673 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10674 before falling through into...
10675 <case 'E'>: Redefined from old 'e' case.
10677 2006-01-11 Jan Hubicka <jh@suse.cz>
10680 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10682 2006-01-11 Jan Hubicka <jh@suse.cz>
10684 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10685 * i386.c (x86_decompose_lea): Kill.
10686 (ix86_rtx_costs): Kill.
10688 2006-01-11 Jan Hubicka <jh@suse.cz>
10690 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10691 * cgraph.h (cgraph_node): Add inline_decl.
10692 (cgraph_insert_node_to_hashtable): Declare.
10693 (save_inline_function_body): Declare.
10694 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10696 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10697 (cgraph_function_versioning): Update call of tree_function_versioning.
10698 (save_inline_function_body): New function.
10699 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10700 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10701 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10702 (cgraph_default_inline_p): Likewise.
10703 (cgraph_decide_inlining_incrementally): Likewise.
10704 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10705 (copy_bb): Kill saving; do updating of clones.
10706 (copy_cfg_body): Kill saving.
10707 (initialize_inlined-parameters): Likewise.
10708 (expand_call_inline): Likewise.
10710 (tree_function_versioning): New parameter "update_clones".
10711 (inlining_p): Kill saving.
10712 * tree-inline.h (tree_function_versioning): Update prototype.
10713 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10716 2006-01-11 Ian Lance Taylor <ian@airs.com>
10718 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10719 Allow undoing set of machine mode.
10720 (do_SUBST): Use enums instead of is_int.
10721 (do_SUBST_MODE): New function.
10722 (SUBST_MODE): New macro.
10723 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10724 reg and trying to replace reg_regno_rtx with a new register.
10725 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10726 (simplify_set): Use SUBST_MODE.
10727 (distribute_notes): Remove code that tried to update reg notes
10728 for regno_reg_rtx changes.
10730 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10732 PR tree-optimization/23109
10733 PR tree-optimization/23948
10734 PR tree-optimization/24123
10736 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10737 * tree-cfg.c (single_noncomplex_succ): New.
10738 * tree-flow.h (single_noncomplex_succ): Declare it.
10739 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10740 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10741 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10742 insert_bb, register_division_in, insert_reciprocals,
10743 replace_reciprocal, free_bb): New.
10744 (execute_cse_reciprocals_1): Rewritten.
10745 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10746 Do not commit any edge insertion. Always compute dominators and
10747 create the allocation pool.
10748 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10749 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10750 * targhooks.c (default_min_divistions_for_recip_mul): New.
10751 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10752 * passes.c (init_optimization_passes): Run recip after tree loop
10754 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10756 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10757 Kenneth Zadeck <zadeck@naturalbridge.com>
10759 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10760 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10761 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10762 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10763 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10764 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10765 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10766 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10767 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10768 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10769 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10770 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10771 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10772 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10773 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10774 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10775 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10776 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10777 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10778 DF_SCAN_POST_ALLOC): New macros.
10779 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10780 df_free_bb_function, df_local_compute_function, df_init_function,
10781 df_dataflow_function, df_confluence_function_0,
10782 df_confluence_function_n, df_transfer_function,
10783 df_finalizer_function, df_free_function, df_dump_problem_function,
10784 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10785 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10786 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10787 df_urec_bb_info, ) New types.
10788 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10790 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10791 df_analyze_simple_change_some_blocks,
10792 df_analyze_simple_change_one_block, df_compact_blocks,
10793 df_bb_replace, df_bb_regno_last_use_find,
10794 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10795 df_insn_regno_def_p, df_find_def, df_find_use,
10796 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10797 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10798 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10799 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10800 debug_df_chain, df_get_dependent_problem, df_chain_create,
10801 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10802 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10803 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10804 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10805 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10806 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10807 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10808 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10809 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10810 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10811 df_reorganize_refs, df_set_state, df_hard_reg_init,
10812 df_read_modify_subreg_p) New public functions.
10813 * df-core.c: The core dataflow solver and glue routines for rtl
10815 (df_init, df_add_problem, df_set_blocks, df_finish,
10816 df_hybrid_search_forward, df_hybrid_search_backward,
10817 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10818 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10819 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10820 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10821 df_reg_defined, df_find_use, df_reg_used, df_dump,
10822 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10823 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10824 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10825 debug_df_useno, reset_df_after_reload): New functions.
10826 * df-scan.c: The scanning fuctions, once in df.c, completely
10827 rewritten so that they now fully model the functionality of
10828 register usage at the backend.
10829 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10830 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10831 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10832 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10833 df_get_artificial_defs, df_get_artificial_uses,
10834 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10835 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10836 df_refs_delete, df_reorganize_refs, df_set_state,
10837 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10838 df_def_record_1, df_defs_record, df_uses_record,
10839 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10840 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10841 df_record_exit_block_uses, df_hard_reg_init): New functions.
10843 * df-problems.c: Seven concrete dataflow problems that use the
10844 scanning in df-scan.c and are solved by the engine in df-core.c.
10845 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10846 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10847 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10848 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10849 df_ru_free_bb_info, df_ru_alloc,
10850 df_ru_bb_local_compute_process_def,
10851 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10852 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10853 df_ru_transfer_function, df_ru_free, df_ru_dump,
10854 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10855 df_rd_free_bb_info, df_rd_alloc,
10856 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10857 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10858 df_rd_transfer_function, df_rd_free, df_rd_dump,
10859 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10860 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10861 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10862 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10863 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10864 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10865 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10866 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10867 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10868 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10869 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10870 df_urec_mark_reg_use_for_earlyclobber,
10871 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10872 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10873 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10874 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10875 df_chain_create_bb_process_use, df_chain_create_bb,
10876 df_chain_finalize, df_chain_free, df_chains_dump,
10877 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10878 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10879 df_reg_lifetime): New functions.
10880 * df.c: Deleted file.
10881 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10882 consistent with new df api.
10883 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10884 rest_of_handle_sms): Ditto.
10885 * web.c (unionfind_union, union_defs, entry_register, web_main):
10887 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10888 invariant_expr_equal_p, find_defs, check_dependencies,
10889 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10890 free_inv_motion_data, move_loop_invariants): Ditto.
10891 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10892 Update dependencies.
10893 (odf.c): Added defective entry that was deleted later in day.
10894 * sched-deps.c (sched_analyze_1): Ditto.
10896 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10898 * tree-ssa-operands.c (get_expr_operands): Record addressable
10899 variables directly. Do not call add_stmt_operands for CONST_DECLs
10901 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10902 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10904 2006-01-11 Ben Elliston <bje@au.ibm.com>
10906 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10907 function returns true in the positive case.
10909 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10912 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10913 for SI, DI, SF and DF modes. Add alternatives to copy between
10914 general and floating point registers to the 32-bit patterns.
10915 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10916 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10917 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10918 generating 64-bit code.
10919 * config/pa/pa.c (output_move_double): Handle copies between general
10920 and floating registers.
10922 2006-01-10 Stuart Hastings <stuart@apple.com>
10924 * config/i386/i386.md (set_got): Update.
10925 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10926 (builtin_setjmp_receiver): Mach-O support.
10927 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10928 (GOT_SYMBOL_NAME): Define.
10929 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10930 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10931 * config/i386/i386.c (override_options): Revise for Darwin.
10932 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10933 support. (darwin_x86_file_end): New. (output_set_got): Add label
10934 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10935 * config/i386/i386-protos.h (output_set_got): Likewise.
10936 * config/darwin.c (machopic_legitimize_pic_address): Update
10939 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10941 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10942 when MODE isn't BLKmode.
10944 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10946 PR rtl-optimization/25367
10947 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10949 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10952 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10953 for a negative bound.
10955 2006-01-10 Richard Guenther <rguenther@suse.de>
10957 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10958 Never override with anything constraint.
10960 2006-01-10 Jan Beulich <jbeulich@novell.com>
10962 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10963 256 bits when optimize_size.
10965 2006-01-10 Jan Beulich <jbeulich@novell.com>
10967 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10969 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10970 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10973 2006-01-10 Ben Elliston <bje@au.ibm.com>
10975 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10977 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10978 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10979 (USE_FP_FOR_ARG): Reject decimal float modes.
10980 (function_arg_advance): Likewise.
10981 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10982 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10983 point types in AltiVec vectors.
10984 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10985 (rs6000_libcall_value): Likewise.
10987 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10989 * config/xtensa/ieee754-df.S: New file.
10990 * config/xtensa/ieee754-sf.S: New file.
10991 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10992 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10993 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10995 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10997 * config/sh/predicates.md (binary_float_operator,
10998 binary_logical_operator, commutative_float_operator,
10999 equality_comparison_operator, greater_comparison_operator,
11000 less_comparison_operator, logical_operator,
11001 noncommutative_float_operator, shift_operator,
11002 symbol_ref_operand, unary_float_operator): Remove redundant
11005 2006-01-09 Jeff Law <law@redhat.com>
11007 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11008 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11009 now unused arguments. Callers updated.
11010 (eliminate_redundant_computations): Remove now unused arguments,
11012 (local_fold): Remove, no longer used.
11013 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11015 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11016 (simplify_cond): New function.
11017 (forward_propagate_into_cond): Call simplify_cond.
11019 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11021 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11022 (*vec_extractv2di_1_sse): New.
11024 2006-01-09 Ben Elliston <bje@au.ibm.com>
11026 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11028 2006-01-08 Richard Guenther <rguenther@suse.de>
11030 * tree-ssa-structalias.c (get_constraint_for): Remove
11031 anyoffset argument.
11032 (get_constraint_for_component_ref): Likewise.
11033 (do_deref): Likewise.
11034 (get_constraint_for): Likewise.
11035 (do_structure_copy): Likewise.
11036 (handle_ptr_arith): Likewise.
11037 (find_func_aliases): Likewise. Remove unused need_anyoffset
11040 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11041 Kaz Kojima <kkojima@gcc.gnu.org>
11043 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11044 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11045 (EXTRA_CONSTRAINT_C16): Remove.
11046 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11047 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11048 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11049 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11050 constants of SHmedia. Handle nested constant expressions of
11052 (andcosts): Fix the costs for SHmedia constants.
11053 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11054 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11055 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11056 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11057 (movv4hi_i, movv2si_i): Likewise.
11058 (movsi_const): Adjust the second operand of ior so to match with
11059 the Csu constraint.
11060 (movdi_const, movdi_const_32bit): Likewise.
11061 (movdi_const_16bit+1): Don't sign-extend LOW.
11062 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11064 (*double_shori): Fix the split condition. Use GEN_INT instead
11065 of get_int_mode calls. Mask lower 16-bit of the argument of
11067 (sym2GOTPLT): Remove.
11068 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11070 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11071 instead of EXTRA_CONSTRAINT_C16.
11073 2006-01-07 Ian Lance Taylor <ian@airs.com>
11074 David Edelsohn <edelsohn@gnu.org>
11076 PR rtl-optimization/25662
11077 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11078 for constant operands instead of simplify_gen_binary.
11079 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11080 after trying simplify_binary_operation
11082 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11084 * tree.c (iterative_hash_expr): Hash decls based on UID.
11086 2006-01-06 Eric Christopher <echristo@apple.com>
11088 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11089 (TARGET_UNWIND_EMIT): Fix spelling.
11090 * target.h (gcc_target): Add except_table_label.
11091 * except.c (output_function_exception_table): Use.
11092 * varasm.c (default_emit_except_table_label): New.
11093 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11095 (asm_out): Add here.
11096 * output.h (default_emit_except_table_label): Prototype.
11097 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11098 * config/darwin.c (darwin_emit_except_table_label): Define.
11099 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11101 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11103 PR tree-optimization/18527
11104 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11105 number_of_iterations_special, number_of_iterations_exit):
11106 Move base and step of an iv to a single structure. Add
11107 no_overflow flag, and use it in # of iterations analysis.
11108 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11109 folded_casts argument.
11110 (simple_iv): Pass base and step in a structure. Set no_overflow
11112 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11113 Evaluate expensiveness of computing # of iterations instead of
11114 the final expression.
11115 * tree-scalar-evolution.h (affine_iv): New structure.
11116 (simple_iv): Declaration changed.
11117 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11118 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11119 find_givs_in_stmt): Changed due to simple_iv change.
11121 2006-01-06 Jeff Law <law@redhat.com>
11124 * tree-cfg.c (bsi_replace): Rename final argument from
11125 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11126 change (stmt -> orig_stmt).
11127 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11128 (bsi_remove): Add new argument. Remove EH information
11130 (verify_eh_throw_table_statements): New function.
11131 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11133 * tree-optimize.c (execute_free_cfg_annotations): Verify
11134 the EH throw statement table after removing annotations.
11135 * except.h (verify_eh_throw_table_statements): Prototype.
11136 * tree-flow.h (bsi_remove): Update prototype.
11137 * tree-vrp.c (remove_range_assertions): Add new argument to
11139 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11140 * tree-complex.c (expand_complex_div_wide): Likewise.
11141 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11142 * tree-tailcall.c (eliminate_tailcall): Likewise.
11143 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11144 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11145 * tree-nrv.c (tree_nrv): Likewise.
11146 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11147 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11148 (combine_blocks): Likewise.
11149 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11150 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11151 (cleanup_control_flow): Likewise.
11152 (remove_forwarder_block): Likewise.
11153 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11154 * tree-sra.c (sra_replace): Likewise.
11155 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11156 (forward_propagate_single_use_vars): Likewise.
11157 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11158 * tree-inline.c (expand_call_inline): Likewise.
11159 * tree-vect-transform.c (vect_transform_loop): Likewise.
11160 * tree-outof-ssa.c (rewrite_trees): Likewise.
11161 * tree-cfg.c (make_goto_expr_edges): Likewise.
11162 (cleanup_dead_labels): Likewise.
11163 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11164 (bsi_move_before, bsi_move_after): Likewise.
11165 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11166 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11168 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11171 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11173 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11174 on non gimple variables. Also add checks at the top for decls and
11176 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11178 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11179 and IMAGPART_EXPR for creating MUST_DEFs.
11180 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11181 and NAME_MEMORY_TAG separately from the DECLs.
11183 2006-01-06 Richard Guenther <rguenther@suse.de>
11185 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11186 annotation, if necessary.
11187 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11188 redundant calls to update_stmt.
11189 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11192 2006-01-05 Richard Henderson <rth@redhat.com>
11194 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11196 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11198 * c-typeck.c: Update copyright date.
11200 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11202 * c-typeck.c (build_c_cast): Always warn when casting
11203 from a pointer to an integer of different size, even if
11204 the node was constant.
11206 2006-01-05 Richard Guenther <rguenther@suse.de>
11208 PR tree-optimization/22555
11209 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11210 if one structure field is an array.
11211 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11212 operands even if we found a subvar, but ignore VOPs in this
11214 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11216 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11218 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11220 PR middle-end/24998
11221 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11223 2006-01-05 Richard Guenther <rguenther@suse.de>
11224 Diego Novillo <dnovillo@redhat.com>
11226 * tree-pass.h (TODO_remove_unused_locals): Define.
11227 * gimple-low.c (expand_var_p, remove_useless_vars,
11228 pass_remove_useless_vars): Remove. Update all users.
11229 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11230 (remove_unused_locals): New function.
11231 * tree-flow.h (remove_unused_locals): Declare.
11232 * passes.c (execute_todo): Call remove_unused_locals if
11233 TODO_remove_unused_locals is set.
11234 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11235 * tree-ssa-dce.c (pass_dce): Likewise.
11236 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11238 2006-01-05 Richard Guenther <rguenther@suse.de>
11240 * tree-flow.h (struct fieldoff): Decompose field to
11241 type, size and decl.
11242 * tree-ssa-alias.c (create_sft): Take type as parameter.
11243 (create_overlap_variables_for): Store type, size and decl
11244 in the fieldoff structure.
11245 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11246 of struct fieldoff.
11247 (push_fields_onto_fieldstack): Likewise.
11248 (create_variable_info_for): Likewise. Use offset for the
11249 SFT name if the decl is not available.
11251 2006-01-04 Paul Brook <paul@codesourcery.com>
11253 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11255 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11257 * lambda-code.c (can_put_in_inner_loop): Relax
11259 (can_put_after_inner_loop): New function.
11260 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11261 (perfect_nestify): Change to make copies and modify uses.
11263 2006-01-04 Richard Henderson <rth@redhat.com>
11265 Merge from gomp branch:
11266 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11267 via integer constant.
11268 (pragma_lex): Remove.
11269 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11270 rather than parsing it.
11271 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11272 handle_pragma_extern_prefix): Add %< %> quotes.
11273 (registered_pragmas): New.
11274 (c_register_pragma_1): New.
11275 (c_register_pragma): Use it.
11276 (c_register_pragma_with_expansion): Likewise.
11277 (c_invoke_pragma_handler): New.
11278 (init_pragma): Use cpp_register_deferred_pragma directly for
11280 * c-pragma.h (enum pragma_kind): New.
11281 (pragma_handler): New.
11282 (c_invoke_pragma_handler): Declare.
11283 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11285 * c-common.h (c_common_pch_pragma): Update decl.
11286 * Makefile.in (c-parser.o): Update dependencies.
11287 (GTFILES): Add c-pragma.h.
11288 * c-parser.c (struct c_token): Add pragma_kind.
11289 (struct c_parser): Add in_pragma.
11290 (c_lex_one_token): Always initialize keyword and pragma_kind.
11291 Extract data for CPP_PRAGMA.
11292 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11293 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11294 Don't allow CPP_PRAGMA_EOL if in_pragma.
11295 (c_parser_consume_pragma): New.
11296 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11297 (c_parser_skip_to_end_of_parameter): Likewise.
11298 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11299 (c_parser_skip_to_pragma_eol): New.
11300 (c_parser_external_declaration): Handle CPP_PRAGMA.
11301 (c_parser_compound_statement_nostart): Likewise.
11302 (c_parser_statement_after_labels): Likewise.
11303 (c_parser_pragma): New.
11304 (pragma_lex): Likewise.
11305 (c_parser_pragma_pch_preprocess): New.
11306 (c_parser_new): Merge into ...
11307 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11309 2006-01-04 Jeff Law <law@redhat.com>
11312 * tree-cfg.c (bsi_replace): Remove the original statement
11313 from the EH throw statement table.
11315 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11317 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11318 make the prototype extern "C" and add throw ().
11321 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11322 and pos non-negative and pos + len <= 32.
11323 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11324 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11325 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11328 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11329 as well as sizes not multiple of component size.
11332 * function.c (instantiate_expr): New function.
11333 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11334 walk its DECL_VALUE_EXPR with instantiate_expr.
11336 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11337 DW_OP_deref{,_size} if address isn't going to be added.
11339 2006-01-04 Ben Elliston <bje@au.ibm.com>
11341 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11342 * config/fp-bit.c: Likewise.
11344 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11346 * dominance.c: Add comment about why we use DFS numbering
11349 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11350 Richard Henderson <rth@redhat.com>
11352 Merge from gomp-branch:
11353 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11354 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11356 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11358 PR rtl-optimization/25578
11359 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11360 pass a parameter to simplify_shift_const if changing ASHIFTRT
11363 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11365 * builtins.c (get_builtin_sync_mem): New function.
11366 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11367 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11368 Call get_builtin_sync_mem to generate mem rtx.
11370 2006-01-03 Richard Guenther <rguenther@suse.de>
11373 * stmt.c (add_case_node): Make sure to clear overflow flags
11376 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11378 Merge from gomp-branch.
11379 * config/sparc/sync.md: New file.
11380 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11381 UNSPECV_LDSTUB): New constants.
11382 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11383 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11384 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11387 2006-01-03 Roger Sayle <roger@eyesopen.com>
11389 * combine.c (reg_subword_p): New predicate to test whether the
11390 destination of a set refers to a subword/piece of a register.
11391 (try_combine): Generalize the code to merge the setting of a
11392 pseudo to a constant followed by a set of a subword of that
11393 register to a constant.
11395 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11397 * basic-block.h (control_flow_graph): Change the type of
11398 x_label_to_block_map to VEC(basic_block,gc) *.
11399 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11400 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11402 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11403 VEC(basic_block,heap) *.
11404 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11405 ssa_prop_fini): Adjust the uses of cfg_blocks.
11407 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11409 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11411 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11412 hashing trees instead of a pointer hash.
11413 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11414 compare for MEM_EXPR.
11416 PR rtl-optimization/25130
11417 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11418 when comparing MEMs for GCSE
11420 2006-01-03 Ben Elliston <bje@au.ibm.com>
11422 * targhooks.h (default_decimal_float_supported_p): Declare.
11423 * targhooks.c (default_decimal_float_supported_p): Define.
11424 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11425 `default_decimal_float_supported_p'.
11426 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11428 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11430 * combine.c (apply_distributive_law <SUBREG>): Check
11431 TRULY_NOOP_TRUNCATION.
11433 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11435 * dwarf2out.c (have_switched_text_section): Delete.
11436 (have_multiple_function_sections): New.
11437 (have_location_lists): Make 'bool'.
11438 (add_AT_loc_list): Use 'true' not '1'.
11439 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11440 (output_loc_list): Use have_multiple_function_sections.
11441 (output_ranges): Likewise.
11442 (dwarf2out_begin_function): Set have_multiple_function_sections if
11444 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11445 Check function_section rather than DECL_SECTION_NAME.
11446 (dwarf2out_finish): Use have_multiple_function_sections.
11447 Don't clear have_location_lists.
11449 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11450 Jan Hubicka <jh@suse.cz>
11452 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11453 case of conditional jump jumping to the next instruction.
11454 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11455 cases of conditional jump jumping to the next instruction.
11457 2006-01-02 Jan Hubicka <jh@suse.cz>
11459 * i386.c (*_cost): Add COSTS_N_INSNS.
11460 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11462 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11465 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11467 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11469 * config/arm/arm.c (all_fpus): Fix comment typo.
11470 * config/darwin.c: Likewise.
11471 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11472 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11473 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11475 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11477 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11478 (rs6000_split_compare_and_swapqhi): New.
11479 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11480 (sync_compare_and_swapqhi_internal): New.
11481 * config/rs6000/rs6000-protos.h: Declare.